HUD 디자인, 화면이 나를 겨누는 랜딩 부품 9개

<main class="stage">
  <section class="hero is-demo">
    <span class="hero__corner hero__corner--tl" aria-hidden="true"></span>
    <span class="hero__corner hero__corner--tr" aria-hidden="true"></span>
    <span class="hero__corner hero__corner--bl" aria-hidden="true"></span>
    <span class="hero__corner hero__corner--br" aria-hidden="true"></span>
    <div class="hero__scan" aria-hidden="true"></div>
    <p class="hero__eyebrow"><span class="hero__dot" aria-hidden="true"></span>SENTRY / ONLINE</p>
    <h1 class="hero__title">놓치는 순간 없이<br>지켜보는 대시보드</h1>
    <p class="hero__desc">실시간으로 감지하고 기록합니다</p>
    <button class="hero__cta" type="button">무료로 시작</button>
    <p class="hero__readout">SIG <span class="hero__cursor" aria-hidden="true"></span></p>
  </section>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-loop;       // 브래킷 락온 + 스캔 한 주기
$easing: $ease-spring;      // 브래킷이 조여드는 곡선
$color: $stage-yellow;      // 호박색 터미널 강조색

@include stage($stage-ink);

.hero {
  position: relative;
  box-sizing: border-box;
  width: clamp(240px, 82vw, 380px);
  padding: $sp-5 $sp-4;
  border-radius: $r-sm;
  background: $subject-ink;
  box-shadow: 0 0 0 1px rgba($color, .4), 0 0 24px rgba($color, .16);
  overflow: hidden;
  // 320px 폰 체크: eyebrow·2줄 제목·설명·CTA·터미널 readout 5단이 129·130 형제보다 한 단 더 많아
  // 200px 높이를 넘는다 (131-01 실측: scrollHeight 238px vs innerHeight 200px). 단마다 여백을
  // 한 단계씩 좁혀 맞춘다.
}

.hero__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(to bottom, rgba($color, 0) 0, rgba($color, 0) 5px, rgba($color, .1) 6px, rgba($color, 0) 7px),
    linear-gradient(to bottom, rgba($color, 0) 0%, rgba($color, .32) 48%, rgba($color, 0) 100%);
  background-size: 100% 100%, 100% 240%;
  background-position: 0 0, 0 -140%;
  animation: scanSweep $duration linear infinite;
}
@keyframes scanSweep {
  0%   { background-position: 0 0, 0 -140%; }
  100% { background-position: 0 0, 0 140%; }
}

.hero__corner {
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
  border-color: $color;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse $duration $easing infinite;
}
.hero__corner--tl { top: 0; left: 0; border-top-width: 2px; border-left-width: 2px; transform-origin: top left; } // 규칙8: 괄호 꼭짓점 모서리 고정
.hero__corner--tr { top: 0; right: 0; border-top-width: 2px; border-right-width: 2px; transform-origin: top right; animation-delay: -.15s; } // 규칙8: 괄호 꼭짓점 모서리 고정
.hero__corner--bl { bottom: 0; left: 0; border-bottom-width: 2px; border-left-width: 2px; transform-origin: bottom left; animation-delay: -.3s; } // 규칙8: 괄호 꼭짓점 모서리 고정
.hero__corner--br { bottom: 0; right: 0; border-bottom-width: 2px; border-right-width: 2px; transform-origin: bottom right; animation-delay: -.45s; } // 규칙8: 괄호 꼭짓점 모서리 고정
@keyframes cornerPulse {
  0%, 100% { transform: scale(.55); opacity: .35; }
  50%      { transform: scale(1); opacity: 1; }
}

.hero__eyebrow {
  position: relative;
  margin: 0 0 $sp-2;
  display: flex;
  align-items: center;
  gap: $sp-2;
  color: $color;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero__dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: $color;
  animation: blink $dur-loop steps(1) infinite;
}
@keyframes blink {
  0%, 49%  { opacity: 1; }
  50%, 100% { opacity: .2; }
}

.hero__title {
  position: relative;
  margin: 0 0 $sp-1;
  color: $subject-cream;
  font-weight: 700;
  font-size: clamp(18px, 5vw, 25px);
  line-height: 1.15;
  font-family: inherit;
}
.hero__desc {
  position: relative;
  margin: 0 0 $sp-3;
  color: rgba($subject-cream, .85);   // 스캔라인이 지나는 밝은 프레임(#544623)에서 .6 은 4.29:1 — .85 로 6.77:1
  font-weight: 500;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1.4;
  font-family: inherit;
}
.hero__cta {
  position: relative;
  border: 1px solid $color;
  border-radius: $r-control;
  background: rgba($color, .12);
  color: $color;
  padding: $sp-1 $sp-5;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: .02em;
}
.hero__readout {
  position: relative;
  margin: $sp-2 0 0;
  color: rgba($color, .7);
  font-family: "Courier New", monospace;
  font-weight: 400;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .04em;
}
.hero__cursor {
  display: inline-block;
  width: 6px;
  height: 10px;
  background: $color;
  vertical-align: -1px;
  animation: blink $dur-loop steps(1) infinite;
}

@media (prefers-reduced-motion: reduce) {
  .hero__scan, .hero__corner, .hero__dot, .hero__cursor {
    animation: none !important;
  }
  .hero__corner { transform: scale(1); opacity: 1; }
  .hero__dot, .hero__cursor { opacity: 1; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.hero {
  position: relative;
  box-sizing: border-box;
  width: clamp(240px, 82vw, 380px);
  padding: 20px 16px;
  border-radius: 8px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4), 0 0 24px rgba(255, 210, 63, 0.16);
  overflow: hidden;
}

.hero__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255, 210, 63, 0) 0, rgba(255, 210, 63, 0) 5px, rgba(255, 210, 63, 0.1) 6px, rgba(255, 210, 63, 0) 7px), linear-gradient(to bottom, rgba(255, 210, 63, 0) 0%, rgba(255, 210, 63, 0.32) 48%, rgba(255, 210, 63, 0) 100%);
  background-size: 100% 100%, 100% 240%;
  background-position: 0 0, 0 -140%;
  animation: scanSweep 2s linear infinite;
}

@keyframes scanSweep {
  0% {
    background-position: 0 0, 0 -140%;
  }
  100% {
    background-position: 0 0, 0 140%;
  }
}
.hero__corner {
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
  border-color: #ffd23f;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.hero__corner--tl {
  top: 0;
  left: 0;
  border-top-width: 2px;
  border-left-width: 2px;
  transform-origin: top left;
}

.hero__corner--tr {
  top: 0;
  right: 0;
  border-top-width: 2px;
  border-right-width: 2px;
  transform-origin: top right;
  animation-delay: -0.15s;
}

.hero__corner--bl {
  bottom: 0;
  left: 0;
  border-bottom-width: 2px;
  border-left-width: 2px;
  transform-origin: bottom left;
  animation-delay: -0.3s;
}

.hero__corner--br {
  bottom: 0;
  right: 0;
  border-bottom-width: 2px;
  border-right-width: 2px;
  transform-origin: bottom right;
  animation-delay: -0.45s;
}

@keyframes cornerPulse {
  0%, 100% {
    transform: scale(0.55);
    opacity: 0.35;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
}
.hero__eyebrow {
  position: relative;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #ffd23f;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: #ffd23f;
  animation: blink 2s steps(1) infinite;
}

@keyframes blink {
  0%, 49% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0.2;
  }
}
.hero__title {
  position: relative;
  margin: 0 0 4px;
  color: #fff7e6;
  font-weight: 700;
  font-size: clamp(18px, 5vw, 25px);
  line-height: 1.15;
  font-family: inherit;
}

.hero__desc {
  position: relative;
  margin: 0 0 12px;
  color: rgba(255, 247, 230, 0.85);
  font-weight: 500;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1.4;
  font-family: inherit;
}

.hero__cta {
  position: relative;
  border: 1px solid #ffd23f;
  border-radius: 12px;
  background: rgba(255, 210, 63, 0.12);
  color: #ffd23f;
  padding: 4px 20px;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.02em;
}

.hero__readout {
  position: relative;
  margin: 8px 0 0;
  color: rgba(255, 210, 63, 0.7);
  font-family: "Courier New", monospace;
  font-weight: 400;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.04em;
}

.hero__cursor {
  display: inline-block;
  width: 6px;
  height: 10px;
  background: #ffd23f;
  vertical-align: -1px;
  animation: blink 2s steps(1) infinite;
}

@media (prefers-reduced-motion: reduce) {
  .hero__scan, .hero__corner, .hero__dot, .hero__cursor {
    animation: none !important;
  }
  .hero__corner {
    transform: scale(1);
    opacity: 1;
  }
  .hero__dot, .hero__cursor {
    opacity: 1;
  }
}

import type { CSSProperties } from "react";
import styles from "./HeroHud.module.scss";

export type HeroHudProps = {
  brand?: string;
  title?: string;
  desc?: string;
  cta?: string;
  readout?: string;
  /** 한 주기(기본 2000ms) */
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

export default function HeroHud({
  brand = "SENTRY / ONLINE",
  title = "놓치는 순간 없이 지켜보는 대시보드",
  desc = "실시간으로 감지하고 기록합니다",
  cta = "무료로 시작",
  readout = "SIG",
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ffd23f",
}: HeroHudProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <section className={styles.hero} style={vars}>
      <span className={`${styles.corner} ${styles.cornerTl}`} aria-hidden="true" />
      <span className={`${styles.corner} ${styles.cornerTr}`} aria-hidden="true" />
      <span className={`${styles.corner} ${styles.cornerBl}`} aria-hidden="true" />
      <span className={`${styles.corner} ${styles.cornerBr}`} aria-hidden="true" />
      <div className={styles.scan} aria-hidden="true" />
      <p className={styles.eyebrow}>
        <span className={styles.dot} aria-hidden="true" />
        {brand}
      </p>
      <h1 className={styles.title}>{title}</h1>
      <p className={styles.desc}>{desc}</p>
      <button type="button" className={styles.cta}>{cta}</button>
      <p className={styles.readoutLine}>
        {readout} <span className={styles.cursor} aria-hidden="true" />
      </p>
    </section>
  );
}

<main class="stage">
  <nav class="navhud is-demo" aria-label="SENTRY">
    <span class="navhud__brand">SENTRY</span>
    <ul class="navhud__track">
      <li class="navhud__item">홈</li>
      <li class="navhud__item">기능</li>
      <li class="navhud__item">요금</li>
      <li class="navhud__item">문의</li>
      <span class="navhud__indicator" aria-hidden="true"></span>
    </ul>
    <span class="navhud__status"><span class="navhud__dot" aria-hidden="true"></span>LIVE</span>
  </nav>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-loop;       // 밑줄 인디케이터가 탭 4곳을 도는 한 주기
$easing: $ease-spring;      // 인디케이터가 미끄러지는 곡선
$color: $stage-yellow;      // 호박색 터미널 강조색

@include stage($stage-yellow);

.navhud {
  position: relative;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: $sp-3;
  width: clamp(260px, 84vw, 420px);
  padding: $sp-2 $sp-3;
  border-radius: $r-control;
  background: $subject-ink;
  box-shadow: 0 0 0 1px rgba($color, .4), 0 0 24px rgba($color, .16);
}

.navhud__brand {
  flex: none;
  color: $subject-cream;
  font-weight: 800;
  font-size: clamp(12px, 3vw, 13px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: .04em;
  white-space: nowrap;
}

.navhud__track {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.navhud__item {
  padding: $sp-1 0;
  color: rgba($subject-cream, .55);
  font-weight: 600;
  font-size: clamp(10px, 2.6vw, 11px);
  line-height: 1;
  font-family: inherit;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.navhud__indicator {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 25%;
  height: 2px;
  background: $color;
  animation: navScan $duration $easing infinite;
}
@keyframes navScan {
  0%, 20%  { transform: translateX(0); }
  25%, 45% { transform: translateX(100%); }
  50%, 70% { transform: translateX(200%); }
  75%, 95% { transform: translateX(300%); }
  100%     { transform: translateX(0); }
}

.navhud__status {
  flex: none;
  display: flex;
  align-items: center;
  gap: $sp-1;
  color: $color;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .08em;
  white-space: nowrap;
}
.navhud__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: $color;
  animation: blink $dur-loop steps(1) infinite;
}
@keyframes blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: .2; }
}

@media (prefers-reduced-motion: reduce) {
  .navhud__indicator, .navhud__dot {
    animation: none !important;
  }
  .navhud__indicator { transform: translateX(0); }
  .navhud__dot { opacity: 1; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.navhud {
  position: relative;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 12px;
  width: clamp(260px, 84vw, 420px);
  padding: 8px 12px;
  border-radius: 12px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4), 0 0 24px rgba(255, 210, 63, 0.16);
}

.navhud__brand {
  flex: none;
  color: #fff7e6;
  font-weight: 800;
  font-size: clamp(12px, 3vw, 13px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.navhud__track {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.navhud__item {
  padding: 4px 0;
  color: rgba(255, 247, 230, 0.55);
  font-weight: 600;
  font-size: clamp(10px, 2.6vw, 11px);
  line-height: 1;
  font-family: inherit;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.navhud__indicator {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 25%;
  height: 2px;
  background: #ffd23f;
  animation: navScan 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@keyframes navScan {
  0%, 20% {
    transform: translateX(0);
  }
  25%, 45% {
    transform: translateX(100%);
  }
  50%, 70% {
    transform: translateX(200%);
  }
  75%, 95% {
    transform: translateX(300%);
  }
  100% {
    transform: translateX(0);
  }
}
.navhud__status {
  flex: none;
  display: flex;
  align-items: center;
  gap: 4px;
  color: #ffd23f;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.navhud__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffd23f;
  animation: blink 2s steps(1) infinite;
}

@keyframes blink {
  0%, 49% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0.2;
  }
}
@media (prefers-reduced-motion: reduce) {
  .navhud__indicator, .navhud__dot {
    animation: none !important;
  }
  .navhud__indicator {
    transform: translateX(0);
  }
  .navhud__dot {
    opacity: 1;
  }
}

import type { CSSProperties } from "react";
import styles from "./NavHud.module.scss";

export type NavHudProps = {
  brand?: string;
  links?: string[];
  status?: string;
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

export default function NavHud({
  brand = "SENTRY",
  links = ["홈", "기능", "요금", "문의"],
  status = "LIVE",
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ffd23f",
}: NavHudProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <nav className={styles.nav} style={vars} aria-label={brand}>
      <span className={styles.brand}>{brand}</span>
      <ul className={styles.track}>
        {links.map((label) => (
          <li key={label} className={styles.item}>{label}</li>
        ))}
        <span className={styles.indicator} aria-hidden="true" />
      </ul>
      <span className={styles.status}>
        <span className={styles.dot} aria-hidden="true" />
        {status}
      </span>
    </nav>
  );
}

<main class="stage">
  <div class="cardgrid is-demo">
    <article class="cardgrid__card">
      <span class="cardgrid__corner cardgrid__corner--tl" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--tr" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--bl" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--br" aria-hidden="true"></span>
      <div class="cardgrid__scan" aria-hidden="true"></div>
      <span class="cardgrid__coord">04.12</span>
      <span class="cardgrid__icon" aria-hidden="true"></span>
      <p class="cardgrid__label">감지</p>
    </article>
    <article class="cardgrid__card">
      <span class="cardgrid__corner cardgrid__corner--tl" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--tr" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--bl" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--br" aria-hidden="true"></span>
      <div class="cardgrid__scan" aria-hidden="true"></div>
      <span class="cardgrid__coord cardgrid__coord--alt">#A1</span>
      <span class="cardgrid__icon" aria-hidden="true"></span>
      <p class="cardgrid__label">추적</p>
    </article>
    <article class="cardgrid__card">
      <span class="cardgrid__corner cardgrid__corner--tl" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--tr" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--bl" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--br" aria-hidden="true"></span>
      <div class="cardgrid__scan" aria-hidden="true"></div>
      <span class="cardgrid__coord">07.03</span>
      <span class="cardgrid__icon" aria-hidden="true"></span>
      <p class="cardgrid__label">기록</p>
    </article>
    <article class="cardgrid__card">
      <span class="cardgrid__corner cardgrid__corner--tl" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--tr" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--bl" aria-hidden="true"></span>
      <span class="cardgrid__corner cardgrid__corner--br" aria-hidden="true"></span>
      <div class="cardgrid__scan" aria-hidden="true"></div>
      <span class="cardgrid__coord cardgrid__coord--alt">#C4</span>
      <span class="cardgrid__icon" aria-hidden="true"></span>
      <p class="cardgrid__label">분석</p>
    </article>
  </div>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-loop;      // 스캔이 카드 4장을 순서대로 도는 한 주기
$easing: $ease-spring;     // 브래킷이 조여드는 곡선
$color: $stage-yellow;     // 호박색 터미널 강조색

@include stage($stage-orange);

.cardgrid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: $sp-2;
  width: clamp(240px, 84vw, 340px);
}
// 320px 폰 체크: 2x2 고정 그리드라 폭이 줄어도 항상 2행 — coord 줄(HUD 전용 읽음값)까지 4줄이라
// 카드 padding·행간이 129·130 형제와 같은 값이면 2행 합계가 200px 높이를 넘는다
// (131-03 실측: scrollHeight 239px vs innerHeight 200px). padding·margin 을 한 단계씩 좁힌다.

.cardgrid__card {
  position: relative;
  box-sizing: border-box;
  padding: $sp-2;
  border-radius: $r-card;
  background: $subject-ink;
  box-shadow: 0 0 0 1px rgba($color, .4), 0 0 24px rgba($color, .16);
  overflow: hidden;
}
.cardgrid__card:nth-child(1) .cardgrid__scan { animation-delay: 0s; }
.cardgrid__card:nth-child(2) .cardgrid__scan { animation-delay: -.5s; }
.cardgrid__card:nth-child(3) .cardgrid__scan { animation-delay: -1s; }
.cardgrid__card:nth-child(4) .cardgrid__scan { animation-delay: -1.5s; }

.cardgrid__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba($color, 0) 0%, rgba($color, .3) 48%, rgba($color, 0) 100%);
  background-size: 100% 240%;
  background-position: 0 -140%;
  animation: cardScan $duration linear infinite;
}
@keyframes cardScan {
  0%   { background-position: 0 -140%; }
  100% { background-position: 0 140%; }
}

.cardgrid__corner {
  position: absolute;
  width: 12px;
  height: 12px;
  pointer-events: none;
  border-color: $color;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse $duration $easing infinite;
}
.cardgrid__corner--tl { top: $sp-2; left: $sp-2; border-top-width: 2px; border-left-width: 2px; transform-origin: top left; } // 규칙8: 괄호 꼭짓점 모서리 고정
.cardgrid__corner--tr { top: $sp-2; right: $sp-2; border-top-width: 2px; border-right-width: 2px; transform-origin: top right; animation-delay: -.15s; } // 규칙8: 괄호 꼭짓점 모서리 고정
.cardgrid__corner--bl { bottom: $sp-2; left: $sp-2; border-bottom-width: 2px; border-left-width: 2px; transform-origin: bottom left; animation-delay: -.3s; } // 규칙8: 괄호 꼭짓점 모서리 고정
.cardgrid__corner--br { bottom: $sp-2; right: $sp-2; border-bottom-width: 2px; border-right-width: 2px; transform-origin: bottom right; animation-delay: -.45s; } // 규칙8: 괄호 꼭짓점 모서리 고정
@keyframes cornerPulse {
  0%, 100% { transform: scale(.55); opacity: .35; }
  50%      { transform: scale(1); opacity: 1; }
}

.cardgrid__coord {
  position: relative;
  display: block;
  margin: 0 0 $sp-1;
  color: rgba($color, .85);   // 스캔라인이 지나는 밝은 프레임(#4e4123)에서 .7 은 4.30:1 — .85 로 5.49:1
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .04em;
  text-align: right;
}
.cardgrid__coord--alt {
  color: $subject-sky;   // 어두운 카드 면 위 쿨 강조 글자. 이 카드는 호박색 스캔라인이 늘 지나 면이 #352c1f 까지 밝아진다 — $subject-blue 2.59:1, $subject-blue-light 도 그 프레임에서 4.28:1 로 미달이라 한 단계 더 밝은 $subject-sky(7.42:1)
}

.cardgrid__icon {
  position: relative;
  display: block;
  width: 20px;
  height: 20px;
  margin: 0 0 $sp-2;
  border: 1px solid $color;
  border-radius: $r-xs;
  background: rgba($color, .18);
}

.cardgrid__label {
  position: relative;
  margin: 0;
  color: $subject-cream;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1.3;
  font-family: inherit;
}

@media (prefers-reduced-motion: reduce) {
  .cardgrid__scan, .cardgrid__corner {
    animation: none !important;
  }
  .cardgrid__corner { transform: scale(1); opacity: 1; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.cardgrid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  width: clamp(240px, 84vw, 340px);
}

.cardgrid__card {
  position: relative;
  box-sizing: border-box;
  padding: 8px;
  border-radius: 16px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4), 0 0 24px rgba(255, 210, 63, 0.16);
  overflow: hidden;
}

.cardgrid__card:nth-child(1) .cardgrid__scan {
  animation-delay: 0s;
}

.cardgrid__card:nth-child(2) .cardgrid__scan {
  animation-delay: -0.5s;
}

.cardgrid__card:nth-child(3) .cardgrid__scan {
  animation-delay: -1s;
}

.cardgrid__card:nth-child(4) .cardgrid__scan {
  animation-delay: -1.5s;
}

.cardgrid__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(255, 210, 63, 0) 0%, rgba(255, 210, 63, 0.3) 48%, rgba(255, 210, 63, 0) 100%);
  background-size: 100% 240%;
  background-position: 0 -140%;
  animation: cardScan 2s linear infinite;
}

@keyframes cardScan {
  0% {
    background-position: 0 -140%;
  }
  100% {
    background-position: 0 140%;
  }
}
.cardgrid__corner {
  position: absolute;
  width: 12px;
  height: 12px;
  pointer-events: none;
  border-color: #ffd23f;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.cardgrid__corner--tl {
  top: 8px;
  left: 8px;
  border-top-width: 2px;
  border-left-width: 2px;
  transform-origin: top left;
}

.cardgrid__corner--tr {
  top: 8px;
  right: 8px;
  border-top-width: 2px;
  border-right-width: 2px;
  transform-origin: top right;
  animation-delay: -0.15s;
}

.cardgrid__corner--bl {
  bottom: 8px;
  left: 8px;
  border-bottom-width: 2px;
  border-left-width: 2px;
  transform-origin: bottom left;
  animation-delay: -0.3s;
}

.cardgrid__corner--br {
  bottom: 8px;
  right: 8px;
  border-bottom-width: 2px;
  border-right-width: 2px;
  transform-origin: bottom right;
  animation-delay: -0.45s;
}

@keyframes cornerPulse {
  0%, 100% {
    transform: scale(0.55);
    opacity: 0.35;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
}
.cardgrid__coord {
  position: relative;
  display: block;
  margin: 0 0 4px;
  color: rgba(255, 210, 63, 0.85);
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.04em;
  text-align: right;
}

.cardgrid__coord--alt {
  color: #6ec8ff;
}

.cardgrid__icon {
  position: relative;
  display: block;
  width: 20px;
  height: 20px;
  margin: 0 0 8px;
  border: 1px solid #ffd23f;
  border-radius: 4px;
  background: rgba(255, 210, 63, 0.18);
}

.cardgrid__label {
  position: relative;
  margin: 0;
  color: #fff7e6;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1.3;
  font-family: inherit;
}

@media (prefers-reduced-motion: reduce) {
  .cardgrid__scan, .cardgrid__corner {
    animation: none !important;
  }
  .cardgrid__corner {
    transform: scale(1);
    opacity: 1;
  }
}

import type { CSSProperties } from "react";
import styles from "./CardGridHud.module.scss";

export type CardGridHudCard = { coord: string; label: string; alt?: boolean };

export type CardGridHudProps = {
  cards?: CardGridHudCard[];
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

const defaultCards: CardGridHudCard[] = [
  { coord: "04.12", label: "감지" },
  { coord: "#A1", label: "추적", alt: true },
  { coord: "07.03", label: "기록" },
  { coord: "#C4", label: "분석", alt: true },
];

export default function CardGridHud({
  cards = defaultCards,
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ffd23f",
}: CardGridHudProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <div className={styles.grid} style={vars}>
      {cards.map((card) => (
        <article key={card.coord} className={styles.card}>
          <span className={`${styles.corner} ${styles.cornerTl}`} aria-hidden="true" />
          <span className={`${styles.corner} ${styles.cornerTr}`} aria-hidden="true" />
          <span className={`${styles.corner} ${styles.cornerBl}`} aria-hidden="true" />
          <span className={`${styles.corner} ${styles.cornerBr}`} aria-hidden="true" />
          <div className={styles.scan} aria-hidden="true" />
          <span className={`${styles.coord} ${card.alt ? styles.coordAlt : ""}`}>{card.coord}</span>
          <span className={styles.icon} aria-hidden="true" />
          <p className={styles.label}>{card.label}</p>
        </article>
      ))}
    </div>
  );
}

<main class="stage">
  <div class="loglist is-demo">
    <ul class="loglist__rows">
      <li class="loglist__row"><span class="loglist__ts">00:01</span><span class="loglist__text">사용자 인증 확인</span><span class="loglist__ok">OK</span></li>
      <li class="loglist__row"><span class="loglist__ts">00:02</span><span class="loglist__text">위치 데이터 동기화</span><span class="loglist__ok">OK</span></li>
      <li class="loglist__row"><span class="loglist__ts">00:03</span><span class="loglist__text">이상 패턴 스캔</span><span class="loglist__ok">OK</span></li>
      <li class="loglist__row"><span class="loglist__ts">00:04</span><span class="loglist__text">백업 서버 연결</span><span class="loglist__ok">OK</span></li>
    </ul>
    <p class="loglist__cursorline">READY <span class="loglist__cursor" aria-hidden="true"></span></p>
  </div>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-loop;     // 스캔 바가 줄 4개를 순서대로 내려가는 한 주기
$easing: $ease-spring;    // 스캔 바가 밝아지는 곡선
$color: $stage-yellow;    // 호박색 터미널 강조색

@include stage($stage-paper);

.loglist {
  box-sizing: border-box;
  width: clamp(240px, 84vw, 360px);
  padding: $sp-4;
  border-radius: $r-card;
  background: $subject-ink;
  box-shadow: 0 0 0 1px rgba($color, .4), 0 0 24px rgba($color, .16);
  // 320px 폰 체크: 로그 4줄 + 커서줄이 129·130 형제 값 그대로면 200px 높이를 넘는다
  // (131-04 실측: scrollHeight 223px vs innerHeight 200px). padding·행간을 한 단계씩 좁힌다.
}

.loglist__rows {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: $sp-1;
}

.loglist__row {
  position: relative;
  display: flex;
  align-items: center;
  gap: $sp-3;
  padding: $sp-1 $sp-3;
  border-radius: $r-xs;
  animation: rowScan $duration $easing infinite;
}
.loglist__row:nth-child(1) { animation-delay: 0s; }
.loglist__row:nth-child(2) { animation-delay: -.5s; }
.loglist__row:nth-child(3) { animation-delay: -1s; }
.loglist__row:nth-child(4) { animation-delay: -1.5s; }
@keyframes rowScan {
  0%, 100% { box-shadow: inset 0 0 0 1px rgba($color, 0), inset 0 0 0 0 rgba($color, 0); }
  5%       { box-shadow: inset 0 0 0 1px rgba($color, .5), inset 0 0 16px 0 rgba($color, .18); }
  15%      { box-shadow: inset 0 0 0 1px rgba($color, 0), inset 0 0 0 0 rgba($color, 0); }
}

.loglist__ts {
  flex: none;
  color: rgba($color, .7);
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
}
.loglist__text {
  flex: 1 1 auto;
  min-width: 0;
  color: $subject-cream;
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 12px);
  line-height: 1.3;
  font-family: inherit;
}
.loglist__ok {
  flex: none;
  opacity: 0;
  color: $color;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .06em;
  animation: rowOk $duration $easing infinite;
}
.loglist__row:nth-child(1) .loglist__ok { animation-delay: 0s; }
.loglist__row:nth-child(2) .loglist__ok { animation-delay: -.5s; }
.loglist__row:nth-child(3) .loglist__ok { animation-delay: -1s; }
.loglist__row:nth-child(4) .loglist__ok { animation-delay: -1.5s; }
@keyframes rowOk {
  0%, 8%    { opacity: 0; }
  14%, 100% { opacity: 1; }
}

.loglist__cursorline {
  margin: $sp-2 0 0;
  color: rgba($color, .7);
  font-family: "Courier New", monospace;
  font-weight: 400;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .04em;
}
.loglist__cursor {
  display: inline-block;
  width: 6px;
  height: 10px;
  background: $color;
  vertical-align: -1px;
  animation: blink $dur-loop steps(1) infinite;
}
@keyframes blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: .2; }
}

@media (prefers-reduced-motion: reduce) {
  .loglist__row, .loglist__ok, .loglist__cursor {
    animation: none !important;
  }
  .loglist__row { box-shadow: inset 0 0 0 1px rgba($color, 0); }
  .loglist__ok { opacity: 1; }
  .loglist__cursor { opacity: 1; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffffff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.loglist {
  box-sizing: border-box;
  width: clamp(240px, 84vw, 360px);
  padding: 16px;
  border-radius: 16px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4), 0 0 24px rgba(255, 210, 63, 0.16);
}

.loglist__rows {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.loglist__row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 12px;
  border-radius: 4px;
  animation: rowScan 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.loglist__row:nth-child(1) {
  animation-delay: 0s;
}

.loglist__row:nth-child(2) {
  animation-delay: -0.5s;
}

.loglist__row:nth-child(3) {
  animation-delay: -1s;
}

.loglist__row:nth-child(4) {
  animation-delay: -1.5s;
}

@keyframes rowScan {
  0%, 100% {
    box-shadow: inset 0 0 0 1px rgba(255, 210, 63, 0), inset 0 0 0 0 rgba(255, 210, 63, 0);
  }
  5% {
    box-shadow: inset 0 0 0 1px rgba(255, 210, 63, 0.5), inset 0 0 16px 0 rgba(255, 210, 63, 0.18);
  }
  15% {
    box-shadow: inset 0 0 0 1px rgba(255, 210, 63, 0), inset 0 0 0 0 rgba(255, 210, 63, 0);
  }
}
.loglist__ts {
  flex: none;
  color: rgba(255, 210, 63, 0.7);
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
}

.loglist__text {
  flex: 1 1 auto;
  min-width: 0;
  color: #fff7e6;
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 12px);
  line-height: 1.3;
  font-family: inherit;
}

.loglist__ok {
  flex: none;
  opacity: 0;
  color: #ffd23f;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.06em;
  animation: rowOk 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.loglist__row:nth-child(1) .loglist__ok {
  animation-delay: 0s;
}

.loglist__row:nth-child(2) .loglist__ok {
  animation-delay: -0.5s;
}

.loglist__row:nth-child(3) .loglist__ok {
  animation-delay: -1s;
}

.loglist__row:nth-child(4) .loglist__ok {
  animation-delay: -1.5s;
}

@keyframes rowOk {
  0%, 8% {
    opacity: 0;
  }
  14%, 100% {
    opacity: 1;
  }
}
.loglist__cursorline {
  margin: 8px 0 0;
  color: rgba(255, 210, 63, 0.7);
  font-family: "Courier New", monospace;
  font-weight: 400;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.04em;
}

.loglist__cursor {
  display: inline-block;
  width: 6px;
  height: 10px;
  background: #ffd23f;
  vertical-align: -1px;
  animation: blink 2s steps(1) infinite;
}

@keyframes blink {
  0%, 49% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0.2;
  }
}
@media (prefers-reduced-motion: reduce) {
  .loglist__row, .loglist__ok, .loglist__cursor {
    animation: none !important;
  }
  .loglist__row {
    box-shadow: inset 0 0 0 1px rgba(255, 210, 63, 0);
  }
  .loglist__ok {
    opacity: 1;
  }
  .loglist__cursor {
    opacity: 1;
  }
}

import type { CSSProperties } from "react";
import styles from "./FeatureListHud.module.scss";

export type FeatureListHudRow = { ts: string; text: string };

export type FeatureListHudProps = {
  rows?: FeatureListHudRow[];
  ok?: string;
  ready?: string;
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

const defaultRows: FeatureListHudRow[] = [
  { ts: "00:01", text: "사용자 인증 확인" },
  { ts: "00:02", text: "위치 데이터 동기화" },
  { ts: "00:03", text: "이상 패턴 스캔" },
  { ts: "00:04", text: "백업 서버 연결" },
];

export default function FeatureListHud({
  rows = defaultRows,
  ok = "OK",
  ready = "READY",
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ffd23f",
}: FeatureListHudProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <div className={styles.list} style={vars}>
      <ul className={styles.rows}>
        {rows.map((row) => (
          <li key={row.ts} className={styles.row}>
            <span className={styles.ts}>{row.ts}</span>
            <span className={styles.text}>{row.text}</span>
            <span className={styles.ok}>{ok}</span>
          </li>
        ))}
      </ul>
      <p className={styles.cursorline}>
        {ready} <span className={styles.cursor} aria-hidden="true" />
      </p>
    </div>
  );
}

<main class="stage">
  <div class="pricing is-demo">
    <article class="pricing__card pricing__card--dim">
      <p class="pricing__name">라이트</p>
      <p class="pricing__price">무료</p>
      <ul class="pricing__feats">
        <li>기본 스캔</li>
        <li>채널 1개</li>
      </ul>
    </article>
    <article class="pricing__card pricing__card--locked">
      <span class="pricing__badge">LOCKED</span>
      <span class="pricing__corner pricing__corner--tl" aria-hidden="true"></span>
      <span class="pricing__corner pricing__corner--tr" aria-hidden="true"></span>
      <span class="pricing__corner pricing__corner--bl" aria-hidden="true"></span>
      <span class="pricing__corner pricing__corner--br" aria-hidden="true"></span>
      <p class="pricing__name">프로</p>
      <p class="pricing__price">월 9,900원</p>
      <ul class="pricing__feats">
        <li>실시간 추적</li>
        <li>채널 무제한</li>
      </ul>
    </article>
  </div>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-loop;     // 브래킷 맥동 + 글로우 호흡 한 주기
$easing: $ease-spring;    // 잠금이 숨 쉬는 곡선
$color: $stage-yellow;    // 호박색 터미널 강조색

@include stage($stage-ink);

.pricing {
  display: flex;
  align-items: flex-start;
  gap: $sp-4;
  width: clamp(260px, 84vw, 420px);
}

.pricing__card {
  position: relative;
  box-sizing: border-box;
  min-width: 0;
  // flex-basis 고정 160px + flex-wrap:wrap 조합은 320px 폰 체크에서 84vw(268.8px) 폭에
  // 카드 2장(160+160+gap)이 안 들어가 줄바꿈되어 세로로 쌓인다 — 높이가 200px 을 훌쩍 넘겼다
  // (131-05 실측: docEl.scrollHeight 311px vs innerHeight 200px). 129·130 형제 항목처럼
  // wrap 없이 flex:1 로 균등 분배해 항상 한 줄에 나란히 놓는다.
  flex: 1 1 0;
  padding: $sp-5 $sp-4;
  border-radius: $r-card;
  background: $subject-ink;
  box-shadow: 0 0 0 1px rgba($color, .4), 0 0 24px rgba($color, .16);
}
.pricing__card--dim {
  opacity: .55;
}
.pricing__card--locked::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: 0 0 0 1px rgba($color, .6), 0 0 32px rgba($color, .4);
  opacity: .4;
  animation: glowBreathe $duration $easing infinite;
}
@keyframes glowBreathe {
  0%, 100% { opacity: .4; }
  50%      { opacity: 1; }
}

.pricing__badge {
  position: relative;
  display: inline-block;
  margin: 0 0 $sp-2;
  padding: $sp-1 $sp-2;
  border-radius: $r-xs;
  background: rgba($color, .16);
  color: $color;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .08em;
}

.pricing__corner {
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
  border-color: $color;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse $duration $easing infinite;
}
.pricing__corner--tl { top: $sp-2; left: $sp-2; border-top-width: 2px; border-left-width: 2px; transform-origin: top left; } // 규칙8: 괄호 꼭짓점 모서리 고정
.pricing__corner--tr { top: $sp-2; right: $sp-2; border-top-width: 2px; border-right-width: 2px; transform-origin: top right; animation-delay: -.15s; } // 규칙8: 괄호 꼭짓점 모서리 고정
.pricing__corner--bl { bottom: $sp-2; left: $sp-2; border-bottom-width: 2px; border-left-width: 2px; transform-origin: bottom left; animation-delay: -.3s; } // 규칙8: 괄호 꼭짓점 모서리 고정
.pricing__corner--br { bottom: $sp-2; right: $sp-2; border-bottom-width: 2px; border-right-width: 2px; transform-origin: bottom right; animation-delay: -.45s; } // 규칙8: 괄호 꼭짓점 모서리 고정
@keyframes cornerPulse {
  0%, 100% { transform: scale(.55); opacity: .35; }
  50%      { transform: scale(1); opacity: 1; }
}

.pricing__name {
  position: relative;
  margin: 0 0 $sp-1;
  color: $subject-cream;
  font-weight: 700;
  font-size: clamp(13px, 3vw, 15px);
  line-height: 1.2;
  font-family: inherit;
}
.pricing__price {
  position: relative;
  margin: 0 0 $sp-3;
  color: rgba($subject-cream, .6);
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 12px);
  line-height: 1.2;
  font-family: inherit;
}
// dim 카드는 .pricing__card--dim 의 opacity .55 가 글자 알파에 곱해진다 — 기본 .6/.75 는 실효 .33/.41 이라 2.89~3.82:1.
// dim 카드에서만 알파를 빼 실효 .55 (5.85:1) 로 올린다. 밝은 카드의 위계(.6/.75)는 그대로 둔다
.pricing__card--dim .pricing__price,
.pricing__card--dim .pricing__feats { color: $subject-cream; }

.pricing__feats {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: $sp-1;
  color: rgba($subject-cream, .75);
  font-weight: 500;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1.5;
  font-family: inherit;
}

@media (prefers-reduced-motion: reduce) {
  .pricing__card--locked::before, .pricing__corner {
    animation: none !important;
  }
  .pricing__card--locked::before { opacity: 1; }
  .pricing__corner { transform: scale(1); opacity: 1; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.pricing {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  width: clamp(260px, 84vw, 420px);
}

.pricing__card {
  position: relative;
  box-sizing: border-box;
  min-width: 0;
  flex: 1 1 0;
  padding: 20px 16px;
  border-radius: 16px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4), 0 0 24px rgba(255, 210, 63, 0.16);
}

.pricing__card--dim {
  opacity: 0.55;
}

.pricing__card--locked::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.6), 0 0 32px rgba(255, 210, 63, 0.4);
  opacity: 0.4;
  animation: glowBreathe 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@keyframes glowBreathe {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}
.pricing__badge {
  position: relative;
  display: inline-block;
  margin: 0 0 8px;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(255, 210, 63, 0.16);
  color: #ffd23f;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.08em;
}

.pricing__corner {
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
  border-color: #ffd23f;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.pricing__corner--tl {
  top: 8px;
  left: 8px;
  border-top-width: 2px;
  border-left-width: 2px;
  transform-origin: top left;
}

.pricing__corner--tr {
  top: 8px;
  right: 8px;
  border-top-width: 2px;
  border-right-width: 2px;
  transform-origin: top right;
  animation-delay: -0.15s;
}

.pricing__corner--bl {
  bottom: 8px;
  left: 8px;
  border-bottom-width: 2px;
  border-left-width: 2px;
  transform-origin: bottom left;
  animation-delay: -0.3s;
}

.pricing__corner--br {
  bottom: 8px;
  right: 8px;
  border-bottom-width: 2px;
  border-right-width: 2px;
  transform-origin: bottom right;
  animation-delay: -0.45s;
}

@keyframes cornerPulse {
  0%, 100% {
    transform: scale(0.55);
    opacity: 0.35;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
}
.pricing__name {
  position: relative;
  margin: 0 0 4px;
  color: #fff7e6;
  font-weight: 700;
  font-size: clamp(13px, 3vw, 15px);
  line-height: 1.2;
  font-family: inherit;
}

.pricing__price {
  position: relative;
  margin: 0 0 12px;
  color: rgba(255, 247, 230, 0.6);
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 12px);
  line-height: 1.2;
  font-family: inherit;
}

.pricing__card--dim .pricing__price,
.pricing__card--dim .pricing__feats {
  color: #fff7e6;
}

.pricing__feats {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: rgba(255, 247, 230, 0.75);
  font-weight: 500;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1.5;
  font-family: inherit;
}

@media (prefers-reduced-motion: reduce) {
  .pricing__card--locked::before, .pricing__corner {
    animation: none !important;
  }
  .pricing__card--locked::before {
    opacity: 1;
  }
  .pricing__corner {
    transform: scale(1);
    opacity: 1;
  }
}

import type { CSSProperties } from "react";
import styles from "./PricingHud.module.scss";

export type PricingHudProps = {
  dimName?: string;
  dimPrice?: string;
  dimFeats?: string[];
  lockedName?: string;
  lockedPrice?: string;
  lockedFeats?: string[];
  badge?: string;
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

export default function PricingHud({
  dimName = "라이트",
  dimPrice = "무료",
  dimFeats = ["기본 스캔", "채널 1개"],
  lockedName = "프로",
  lockedPrice = "월 9,900원",
  lockedFeats = ["실시간 추적", "채널 무제한"],
  badge = "LOCKED",
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ffd23f",
}: PricingHudProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <div className={styles.pricing} style={vars}>
      <article className={`${styles.card} ${styles.dim}`}>
        <p className={styles.name}>{dimName}</p>
        <p className={styles.price}>{dimPrice}</p>
        <ul className={styles.feats}>
          {dimFeats.map((f) => <li key={f}>{f}</li>)}
        </ul>
      </article>
      <article className={`${styles.card} ${styles.locked}`}>
        <span className={styles.badge}>{badge}</span>
        <span className={`${styles.corner} ${styles.cornerTl}`} aria-hidden="true" />
        <span className={`${styles.corner} ${styles.cornerTr}`} aria-hidden="true" />
        <span className={`${styles.corner} ${styles.cornerBl}`} aria-hidden="true" />
        <span className={`${styles.corner} ${styles.cornerBr}`} aria-hidden="true" />
        <p className={styles.name}>{lockedName}</p>
        <p className={styles.price}>{lockedPrice}</p>
        <ul className={styles.feats}>
          {lockedFeats.map((f) => <li key={f}>{f}</li>)}
        </ul>
      </article>
    </div>
  );
}

<main class="stage">
  <div class="testimonial is-demo">
    <div class="testimonial__avatar" aria-hidden="true">
      <span class="testimonial__scanbox"></span>
    </div>
    <figure class="testimonial__card">
      <span class="testimonial__corner testimonial__corner--tl" aria-hidden="true"></span>
      <span class="testimonial__corner testimonial__corner--tr" aria-hidden="true"></span>
      <span class="testimonial__corner testimonial__corner--bl" aria-hidden="true"></span>
      <span class="testimonial__corner testimonial__corner--br" aria-hidden="true"></span>
      <span class="testimonial__verified">VERIFIED</span>
      <blockquote class="testimonial__quote">놓치는 게 없어서 마음이 편해요</blockquote>
      <figcaption class="testimonial__author">이도윤 · 보안팀 매니저</figcaption>
    </figure>
  </div>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-loop;    // 얼굴 인식 상자가 한 번 훑고 멈추는 한 주기
$easing: $ease-spring;   // 스캔 상자가 내려가는 곡선
$color: $stage-yellow;   // 호박색 터미널 강조색

@include stage($stage-yellow);

.testimonial {
  display: flex;
  align-items: center;
  gap: $sp-4;
  width: clamp(260px, 84vw, 420px);
}

.testimonial__avatar {
  position: relative;
  flex: none;
  width: 64px;
  height: 64px;
  border-radius: $r-control;
  background: $subject-ink;
  box-shadow: 0 0 0 1px rgba($color, .4);
  overflow: hidden;
}
.testimonial__scanbox {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: rgba($color, .85);
  box-shadow: 0 0 8px 1px rgba($color, .6);
  animation: faceScan $duration $easing infinite;
}
@keyframes faceScan {
  0%   { transform: translateY(0); opacity: 1; }
  20%  { transform: translateY(61px); opacity: 1; }
  28%  { transform: translateY(61px); opacity: 0; }
  100% { transform: translateY(61px); opacity: 0; }
}

.testimonial__card {
  position: relative;
  box-sizing: border-box;
  min-width: 0;
  // flex-wrap:wrap + flex-basis 220px 는 320px 폰 체크(84vw=268.8px)에서 아바타(64px)+gap+220px 가
  // 안 들어가 줄바꿈 위험이 있다 (131-06 실측: scrollHeight 203px vs innerHeight 200px). 129 형제처럼
  // wrap 없이 flex:1 로 균등 분배해 항상 한 줄에 나란히 놓는다.
  flex: 1 1 0;
  margin: 0;
  padding: $sp-4;
  border-radius: $r-card;
  background: $subject-ink;
  box-shadow: 0 0 0 1px rgba($color, .4), 0 0 24px rgba($color, .16);
}

.testimonial__corner {
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
  border-color: $color;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse $duration $easing infinite;
}
.testimonial__corner--tl { top: $sp-2; left: $sp-2; border-top-width: 2px; border-left-width: 2px; transform-origin: top left; } // 규칙8: 괄호 꼭짓점 모서리 고정
.testimonial__corner--tr { top: $sp-2; right: $sp-2; border-top-width: 2px; border-right-width: 2px; transform-origin: top right; animation-delay: -.15s; } // 규칙8: 괄호 꼭짓점 모서리 고정
.testimonial__corner--bl { bottom: $sp-2; left: $sp-2; border-bottom-width: 2px; border-left-width: 2px; transform-origin: bottom left; animation-delay: -.3s; } // 규칙8: 괄호 꼭짓점 모서리 고정
.testimonial__corner--br { bottom: $sp-2; right: $sp-2; border-bottom-width: 2px; border-right-width: 2px; transform-origin: bottom right; animation-delay: -.45s; } // 규칙8: 괄호 꼭짓점 모서리 고정
@keyframes cornerPulse {
  0%, 100% { transform: scale(.7); opacity: .5; }
  50%      { transform: scale(1); opacity: 1; }
}

.testimonial__verified {
  position: relative;
  display: inline-block;
  margin: 0 0 $sp-2;
  color: $color;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .08em;
}
.testimonial__quote {
  position: relative;
  margin: 0 0 $sp-2;
  color: $subject-cream;
  font-weight: 600;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1.4;
  font-family: inherit;
}
.testimonial__author {
  position: relative;
  margin: 0;
  color: rgba($subject-cream, .6);
  font-weight: 500;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1.3;
  font-family: inherit;
}

@media (prefers-reduced-motion: reduce) {
  .testimonial__scanbox, .testimonial__corner {
    animation: none !important;
  }
  .testimonial__scanbox { opacity: 0; }
  .testimonial__corner { transform: scale(1); opacity: 1; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.testimonial {
  display: flex;
  align-items: center;
  gap: 16px;
  width: clamp(260px, 84vw, 420px);
}

.testimonial__avatar {
  position: relative;
  flex: none;
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4);
  overflow: hidden;
}

.testimonial__scanbox {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: rgba(255, 210, 63, 0.85);
  box-shadow: 0 0 8px 1px rgba(255, 210, 63, 0.6);
  animation: faceScan 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@keyframes faceScan {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  20% {
    transform: translateY(61px);
    opacity: 1;
  }
  28% {
    transform: translateY(61px);
    opacity: 0;
  }
  100% {
    transform: translateY(61px);
    opacity: 0;
  }
}
.testimonial__card {
  position: relative;
  box-sizing: border-box;
  min-width: 0;
  flex: 1 1 0;
  margin: 0;
  padding: 16px;
  border-radius: 16px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4), 0 0 24px rgba(255, 210, 63, 0.16);
}

.testimonial__corner {
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
  border-color: #ffd23f;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.testimonial__corner--tl {
  top: 8px;
  left: 8px;
  border-top-width: 2px;
  border-left-width: 2px;
  transform-origin: top left;
}

.testimonial__corner--tr {
  top: 8px;
  right: 8px;
  border-top-width: 2px;
  border-right-width: 2px;
  transform-origin: top right;
  animation-delay: -0.15s;
}

.testimonial__corner--bl {
  bottom: 8px;
  left: 8px;
  border-bottom-width: 2px;
  border-left-width: 2px;
  transform-origin: bottom left;
  animation-delay: -0.3s;
}

.testimonial__corner--br {
  bottom: 8px;
  right: 8px;
  border-bottom-width: 2px;
  border-right-width: 2px;
  transform-origin: bottom right;
  animation-delay: -0.45s;
}

@keyframes cornerPulse {
  0%, 100% {
    transform: scale(0.7);
    opacity: 0.5;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
}
.testimonial__verified {
  position: relative;
  display: inline-block;
  margin: 0 0 8px;
  color: #ffd23f;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.08em;
}

.testimonial__quote {
  position: relative;
  margin: 0 0 8px;
  color: #fff7e6;
  font-weight: 600;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1.4;
  font-family: inherit;
}

.testimonial__author {
  position: relative;
  margin: 0;
  color: rgba(255, 247, 230, 0.6);
  font-weight: 500;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1.3;
  font-family: inherit;
}

@media (prefers-reduced-motion: reduce) {
  .testimonial__scanbox, .testimonial__corner {
    animation: none !important;
  }
  .testimonial__scanbox {
    opacity: 0;
  }
  .testimonial__corner {
    transform: scale(1);
    opacity: 1;
  }
}

import type { CSSProperties } from "react";
import styles from "./TestimonialHud.module.scss";

export type TestimonialHudProps = {
  verified?: string;
  quote?: string;
  author?: string;
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

export default function TestimonialHud({
  verified = "VERIFIED",
  quote = "놓치는 게 없어서 마음이 편해요",
  author = "이도윤 · 보안팀 매니저",
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ffd23f",
}: TestimonialHudProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <div className={styles.testimonial} style={vars}>
      <div className={styles.avatar} aria-hidden="true">
        <span className={styles.scanbox} />
      </div>
      <figure className={styles.card}>
        <span className={`${styles.corner} ${styles.cornerTl}`} aria-hidden="true" />
        <span className={`${styles.corner} ${styles.cornerTr}`} aria-hidden="true" />
        <span className={`${styles.corner} ${styles.cornerBl}`} aria-hidden="true" />
        <span className={`${styles.corner} ${styles.cornerBr}`} aria-hidden="true" />
        <span className={styles.verified}>{verified}</span>
        <blockquote className={styles.quote}>{quote}</blockquote>
        <figcaption className={styles.author}>{author}</figcaption>
      </figure>
    </div>
  );
}

<main class="stage">
  <div class="ctaband is-demo">
    <span class="ctaband__corner ctaband__corner--tl" aria-hidden="true"></span>
    <span class="ctaband__corner ctaband__corner--tr" aria-hidden="true"></span>
    <span class="ctaband__corner ctaband__corner--bl" aria-hidden="true"></span>
    <span class="ctaband__corner ctaband__corner--br" aria-hidden="true"></span>
    <div class="ctaband__scan" aria-hidden="true"></div>
    <p class="ctaband__eyebrow">ALERT</p>
    <h2 class="ctaband__title">지금 바로 감시망을 켜보세요</h2>
    <button class="ctaband__cta" type="button">무료 체험 시작</button>
  </div>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-loop;    // 대각 스캔 드리프트 + 버튼 글리치 한 주기
$easing: $ease-out;      // 스캔이 흐르는 곡선
$color: $stage-yellow;   // 호박색 터미널 강조색

@include stage($stage-orange);

.ctaband {
  position: relative;
  box-sizing: border-box;
  width: clamp(280px, 90vw, 520px);
  padding: $sp-8 $sp-6;
  border-radius: $r-card;
  background: $subject-ink;
  box-shadow: 0 0 0 1px rgba($color, .4), 0 0 24px rgba($color, .16);
  overflow: hidden;
}

.ctaband__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(45deg, rgba($color, 0) 0 6px, rgba($color, .12) 6px 7px);
  background-size: 200% 200%;
  background-position: 0% 0%;
  animation: diagDrift $duration linear infinite;
}
@keyframes diagDrift {
  0%   { background-position: 0% 0%; }
  100% { background-position: 100% 100%; }
}

.ctaband__corner {
  position: absolute;
  width: 20px;
  height: 20px;
  pointer-events: none;
  border-color: $color;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse $duration $easing infinite;
}
.ctaband__corner--tl { top: $sp-3; left: $sp-3; border-top-width: 2px; border-left-width: 2px; transform-origin: top left; } // 규칙8: 괄호 꼭짓점 모서리 고정
.ctaband__corner--tr { top: $sp-3; right: $sp-3; border-top-width: 2px; border-right-width: 2px; transform-origin: top right; animation-delay: -.15s; } // 규칙8: 괄호 꼭짓점 모서리 고정
.ctaband__corner--bl { bottom: $sp-3; left: $sp-3; border-bottom-width: 2px; border-left-width: 2px; transform-origin: bottom left; animation-delay: -.3s; } // 규칙8: 괄호 꼭짓점 모서리 고정
.ctaband__corner--br { bottom: $sp-3; right: $sp-3; border-bottom-width: 2px; border-right-width: 2px; transform-origin: bottom right; animation-delay: -.45s; } // 규칙8: 괄호 꼭짓점 모서리 고정
@keyframes cornerPulse {
  0%, 100% { transform: scale(.55); opacity: .35; }
  50%      { transform: scale(1); opacity: 1; }
}

.ctaband__eyebrow {
  position: relative;
  margin: 0 0 $sp-2;
  color: $color;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1;
  letter-spacing: .12em;
}
.ctaband__title {
  position: relative;
  margin: 0 0 $sp-5;
  max-width: 22ch;
  color: $subject-cream;
  font-weight: 700;
  font-size: clamp(18px, 4.4vw, 24px);
  line-height: 1.3;
  font-family: inherit;
}
.ctaband__cta {
  position: relative;
  box-sizing: border-box;
  border: 1px solid $color;
  border-radius: $r-control;
  background: rgba($color, .14);
  color: $color;
  padding: $sp-3 $sp-6;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: .02em;
  animation: ctaGlitch $duration linear infinite;
}
@keyframes ctaGlitch {
  0%, 59%, 64%, 100% { transform: translateX(0); opacity: 1; }
  60%                { transform: translateX(-1px); opacity: .85; }
  61%                { transform: translateX(1px); opacity: 1; }
  62%                { transform: translateX(-1px); opacity: .9; }
  63%                { transform: translateX(0); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .ctaband__scan, .ctaband__corner, .ctaband__cta {
    animation: none !important;
  }
  .ctaband__corner { transform: scale(1); opacity: 1; }
  .ctaband__cta { transform: translateX(0); opacity: 1; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.ctaband {
  position: relative;
  box-sizing: border-box;
  width: clamp(280px, 90vw, 520px);
  padding: 32px 24px;
  border-radius: 16px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4), 0 0 24px rgba(255, 210, 63, 0.16);
  overflow: hidden;
}

.ctaband__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(45deg, rgba(255, 210, 63, 0) 0 6px, rgba(255, 210, 63, 0.12) 6px 7px);
  background-size: 200% 200%;
  background-position: 0% 0%;
  animation: diagDrift 2s linear infinite;
}

@keyframes diagDrift {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 100% 100%;
  }
}
.ctaband__corner {
  position: absolute;
  width: 20px;
  height: 20px;
  pointer-events: none;
  border-color: #ffd23f;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse 2s ease-out infinite;
}

.ctaband__corner--tl {
  top: 12px;
  left: 12px;
  border-top-width: 2px;
  border-left-width: 2px;
  transform-origin: top left;
}

.ctaband__corner--tr {
  top: 12px;
  right: 12px;
  border-top-width: 2px;
  border-right-width: 2px;
  transform-origin: top right;
  animation-delay: -0.15s;
}

.ctaband__corner--bl {
  bottom: 12px;
  left: 12px;
  border-bottom-width: 2px;
  border-left-width: 2px;
  transform-origin: bottom left;
  animation-delay: -0.3s;
}

.ctaband__corner--br {
  bottom: 12px;
  right: 12px;
  border-bottom-width: 2px;
  border-right-width: 2px;
  transform-origin: bottom right;
  animation-delay: -0.45s;
}

@keyframes cornerPulse {
  0%, 100% {
    transform: scale(0.55);
    opacity: 0.35;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
}
.ctaband__eyebrow {
  position: relative;
  margin: 0 0 8px;
  color: #ffd23f;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1;
  letter-spacing: 0.12em;
}

.ctaband__title {
  position: relative;
  margin: 0 0 20px;
  max-width: 22ch;
  color: #fff7e6;
  font-weight: 700;
  font-size: clamp(18px, 4.4vw, 24px);
  line-height: 1.3;
  font-family: inherit;
}

.ctaband__cta {
  position: relative;
  box-sizing: border-box;
  border: 1px solid #ffd23f;
  border-radius: 12px;
  background: rgba(255, 210, 63, 0.14);
  color: #ffd23f;
  padding: 12px 24px;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.02em;
  animation: ctaGlitch 2s linear infinite;
}

@keyframes ctaGlitch {
  0%, 59%, 64%, 100% {
    transform: translateX(0);
    opacity: 1;
  }
  60% {
    transform: translateX(-1px);
    opacity: 0.85;
  }
  61% {
    transform: translateX(1px);
    opacity: 1;
  }
  62% {
    transform: translateX(-1px);
    opacity: 0.9;
  }
  63% {
    transform: translateX(0);
    opacity: 1;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ctaband__scan, .ctaband__corner, .ctaband__cta {
    animation: none !important;
  }
  .ctaband__corner {
    transform: scale(1);
    opacity: 1;
  }
  .ctaband__cta {
    transform: translateX(0);
    opacity: 1;
  }
}

import type { CSSProperties } from "react";
import styles from "./CtaBandHud.module.scss";

export type CtaBandHudProps = {
  eyebrow?: string;
  title?: string;
  cta?: string;
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

export default function CtaBandHud({
  eyebrow = "ALERT",
  title = "지금 바로 감시망을 켜보세요",
  cta = "무료 체험 시작",
  duration = 2000,
  easing = "ease-out",
  color = "#ffd23f",
}: CtaBandHudProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <div className={styles.band} style={vars}>
      <span className={`${styles.corner} ${styles.cornerTl}`} aria-hidden="true" />
      <span className={`${styles.corner} ${styles.cornerTr}`} aria-hidden="true" />
      <span className={`${styles.corner} ${styles.cornerBl}`} aria-hidden="true" />
      <span className={`${styles.corner} ${styles.cornerBr}`} aria-hidden="true" />
      <div className={styles.scan} aria-hidden="true" />
      <p className={styles.eyebrow}>{eyebrow}</p>
      <h2 className={styles.title}>{title}</h2>
      <button type="button" className={styles.cta}>{cta}</button>
    </div>
  );
}

<main class="stage">
  <footer class="footerhud is-demo">
    <span class="footerhud__corner footerhud__corner--tl" aria-hidden="true"></span>
    <span class="footerhud__corner footerhud__corner--tr" aria-hidden="true"></span>
    <div class="footerhud__noise" aria-hidden="true"></div>
    <div class="footerhud__cols">
      <div class="footerhud__col">
        <p class="footerhud__head">SYSTEM</p>
        <ul>
          <li>대시보드</li>
          <li>알림 설정</li>
        </ul>
      </div>
      <div class="footerhud__col">
        <p class="footerhud__head">SUPPORT</p>
        <ul>
          <li>문의하기</li>
          <li>이용 가이드</li>
        </ul>
      </div>
      <div class="footerhud__col">
        <p class="footerhud__head">LEGAL</p>
        <ul>
          <li>이용약관</li>
          <li>개인정보처리방침</li>
        </ul>
      </div>
    </div>
    <p class="footerhud__copy">SENTRY © 2026</p>
  </footer>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-loop;    // 노이즈 플리커 프레임 스텝의 한 주기
$easing: $ease-out;      // 브래킷이 맥동하는 곡선
$color: $stage-yellow;   // 호박색 터미널 강조색

@include stage($stage-paper);

.footerhud {
  position: relative;
  box-sizing: border-box;
  width: clamp(260px, 88vw, 460px);
  padding: $sp-6 $sp-5 $sp-4;
  border-radius: $r-card;
  background: $subject-ink;
  box-shadow: 0 0 0 1px rgba($color, .4), 0 0 24px rgba($color, .16);
  overflow: hidden;
}

.footerhud__noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .06;
  background: repeating-linear-gradient(45deg, rgba($color, .9) 0 1px, rgba($color, 0) 1px 4px);
  background-size: 12px 12px;
  animation: noiseFlicker $duration steps(8) infinite;
}
@keyframes noiseFlicker {
  0%   { background-position: 0 0; }
  100% { background-position: 120px 84px; }
}

.footerhud__corner {
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
  border-color: $color;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse $duration $easing infinite;
}
.footerhud__corner--tl { top: $sp-2; left: $sp-2; border-top-width: 2px; border-left-width: 2px; transform-origin: top left; } // 규칙8: 괄호 꼭짓점 모서리 고정
.footerhud__corner--tr { top: $sp-2; right: $sp-2; border-top-width: 2px; border-right-width: 2px; transform-origin: top right; animation-delay: -.15s; } // 규칙8: 괄호 꼭짓점 모서리 고정
@keyframes cornerPulse {
  0%, 100% { transform: scale(.55); opacity: .35; }
  50%      { transform: scale(1); opacity: 1; }
}

.footerhud__cols {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: $sp-3;
  margin: 0 0 $sp-4;
}
.footerhud__col {
  min-width: 0;
}
.footerhud__head {
  margin: 0 0 $sp-2;
  color: $color;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .1em;
}
.footerhud__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: $sp-1;
}
.footerhud__col li {
  color: rgba($subject-cream, .7);
  font-weight: 500;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1.4;
  font-family: inherit;
}

.footerhud__copy {
  position: relative;
  margin: 0;
  padding-top: $sp-3;
  border-top: 1px solid rgba($color, .18);
  color: rgba($subject-cream, .72);   // 잉크 면 위 9.18:1 — .4 는 3.66 으로 미달
  font-family: "Courier New", monospace;
  font-weight: 400;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .04em;
}

@media (prefers-reduced-motion: reduce) {
  .footerhud__noise, .footerhud__corner {
    animation: none !important;
  }
  .footerhud__noise { opacity: .03; }
  .footerhud__corner { transform: scale(1); opacity: 1; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffffff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.footerhud {
  position: relative;
  box-sizing: border-box;
  width: clamp(260px, 88vw, 460px);
  padding: 24px 20px 16px;
  border-radius: 16px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4), 0 0 24px rgba(255, 210, 63, 0.16);
  overflow: hidden;
}

.footerhud__noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  background: repeating-linear-gradient(45deg, rgba(255, 210, 63, 0.9) 0 1px, rgba(255, 210, 63, 0) 1px 4px);
  background-size: 12px 12px;
  animation: noiseFlicker 2s steps(8) infinite;
}

@keyframes noiseFlicker {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 120px 84px;
  }
}
.footerhud__corner {
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
  border-color: #ffd23f;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse 2s ease-out infinite;
}

.footerhud__corner--tl {
  top: 8px;
  left: 8px;
  border-top-width: 2px;
  border-left-width: 2px;
  transform-origin: top left;
}

.footerhud__corner--tr {
  top: 8px;
  right: 8px;
  border-top-width: 2px;
  border-right-width: 2px;
  transform-origin: top right;
  animation-delay: -0.15s;
}

@keyframes cornerPulse {
  0%, 100% {
    transform: scale(0.55);
    opacity: 0.35;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
}
.footerhud__cols {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 0 16px;
}

.footerhud__col {
  min-width: 0;
}

.footerhud__head {
  margin: 0 0 8px;
  color: #ffd23f;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.1em;
}

.footerhud__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footerhud__col li {
  color: rgba(255, 247, 230, 0.7);
  font-weight: 500;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1.4;
  font-family: inherit;
}

.footerhud__copy {
  position: relative;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 210, 63, 0.18);
  color: rgba(255, 247, 230, 0.72);
  font-family: "Courier New", monospace;
  font-weight: 400;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: reduce) {
  .footerhud__noise, .footerhud__corner {
    animation: none !important;
  }
  .footerhud__noise {
    opacity: 0.03;
  }
  .footerhud__corner {
    transform: scale(1);
    opacity: 1;
  }
}

import type { CSSProperties } from "react";
import styles from "./FooterHud.module.scss";

export type FooterHudColumn = { head: string; links: string[] };

export type FooterHudProps = {
  columns?: FooterHudColumn[];
  copy?: string;
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

const defaultColumns: FooterHudColumn[] = [
  { head: "SYSTEM", links: ["대시보드", "알림 설정"] },
  { head: "SUPPORT", links: ["문의하기", "이용 가이드"] },
  { head: "LEGAL", links: ["이용약관", "개인정보처리방침"] },
];

export default function FooterHud({
  columns = defaultColumns,
  copy = "SENTRY © 2026",
  duration = 2000,
  easing = "ease-out",
  color = "#ffd23f",
}: FooterHudProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <footer className={styles.footer} style={vars}>
      <span className={`${styles.corner} ${styles.cornerTl}`} aria-hidden="true" />
      <span className={`${styles.corner} ${styles.cornerTr}`} aria-hidden="true" />
      <div className={styles.noise} aria-hidden="true" />
      <div className={styles.cols}>
        {columns.map((col) => (
          <div key={col.head} className={styles.col}>
            <p className={styles.head}>{col.head}</p>
            <ul>
              {col.links.map((link) => <li key={link}>{link}</li>)}
            </ul>
          </div>
        ))}
      </div>
      <p className={styles.copy}>{copy}</p>
    </footer>
  );
}

<main class="stage">
  <form class="formhud is-demo">
    <button class="formhud__btn" type="button">
      <span class="formhud__corner formhud__corner--tl" aria-hidden="true"></span>
      <span class="formhud__corner formhud__corner--tr" aria-hidden="true"></span>
      <span class="formhud__corner formhud__corner--bl" aria-hidden="true"></span>
      <span class="formhud__corner formhud__corner--br" aria-hidden="true"></span>
      락온 시작
    </button>
    <label class="formhud__field">
      <input class="formhud__input" type="email" placeholder="이메일 주소" readonly>
      <span class="formhud__caret" aria-hidden="true"></span>
    </label>
  </form>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-loop;     // 버튼 스냅 + 입력창 포커스 글로우 한 주기
$easing: $ease-pop;       // 스냅이 튕기는 곡선
$color: $stage-yellow;    // 호박색 터미널 강조색

@include stage($stage-ink);

.formhud {
  display: flex;
  flex-direction: column;
  gap: $sp-4;
  width: clamp(220px, 78vw, 300px);
}

.formhud__btn {
  position: relative;
  box-sizing: border-box;
  border: 1px solid $color;
  border-radius: $r-control;
  background: rgba($color, .14);
  color: $color;
  padding: $sp-3 $sp-5;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: .02em;
  animation: btnSnap $duration $easing infinite;
}
@keyframes btnSnap {
  0%, 55%, 100% { transform: scale(1); }
  75%           { transform: scale(.97); }
}

.formhud__corner {
  position: absolute;
  width: 10px;
  height: 10px;
  pointer-events: none;
  border-color: $color;
  border-style: solid;
  border-width: 0;
}
.formhud__corner--tl { top: $sp-1; left: $sp-1; border-top-width: 2px; border-left-width: 2px; animation: snapTl $duration $easing infinite; }
.formhud__corner--tr { top: $sp-1; right: $sp-1; border-top-width: 2px; border-right-width: 2px; animation: snapTr $duration $easing infinite; }
.formhud__corner--bl { bottom: $sp-1; left: $sp-1; border-bottom-width: 2px; border-left-width: 2px; animation: snapBl $duration $easing infinite; }
.formhud__corner--br { bottom: $sp-1; right: $sp-1; border-bottom-width: 2px; border-right-width: 2px; animation: snapBr $duration $easing infinite; }
@keyframes snapTl { 0%, 55%, 100% { transform: translate(0, 0); } 75% { transform: translate(3px, 3px); } }
@keyframes snapTr { 0%, 55%, 100% { transform: translate(0, 0); } 75% { transform: translate(-3px, 3px); } }
@keyframes snapBl { 0%, 55%, 100% { transform: translate(0, 0); } 75% { transform: translate(3px, -3px); } }
@keyframes snapBr { 0%, 55%, 100% { transform: translate(0, 0); } 75% { transform: translate(-3px, -3px); } }

.formhud__field {
  position: relative;
  display: block;
  border-radius: $r-sm;
  background: $subject-ink;
  box-shadow: 0 1px 0 0 rgba($color, .4);
  animation: focusGlow $duration $easing infinite;
}
@keyframes focusGlow {
  0%, 55%, 100% { box-shadow: 0 1px 0 0 rgba($color, .4); }
  75%           { box-shadow: 0 1px 0 0 rgba($color, .9), 0 0 0 3px rgba($color, .25), 0 0 20px rgba($color, .35); }
}
.formhud__input {
  box-sizing: border-box;
  width: 100%;
  border: 0;
  background: transparent;
  padding: $sp-3 $sp-4;
  color: $subject-cream;
  font-weight: 500;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1;
  font-family: inherit;
  outline: none;
}
.formhud__input::placeholder {
  color: rgba($subject-cream, .45);
}
.formhud__caret {
  position: absolute;
  left: $sp-4;
  top: 50%;
  width: 2px;
  height: 14px;
  transform: translateY(-50%);
  background: $color;
  animation: blink $dur-loop steps(1) infinite;
}
@keyframes blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: .2; }
}

@media (prefers-reduced-motion: reduce) {
  .formhud__btn, .formhud__corner, .formhud__field, .formhud__caret {
    animation: none !important;
  }
  .formhud__btn { transform: scale(1); }
  .formhud__corner { transform: translate(0, 0); }
  .formhud__field { box-shadow: 0 1px 0 0 rgba($color, .4); }
  .formhud__caret { opacity: 1; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.formhud {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: clamp(220px, 78vw, 300px);
}

.formhud__btn {
  position: relative;
  box-sizing: border-box;
  border: 1px solid #ffd23f;
  border-radius: 12px;
  background: rgba(255, 210, 63, 0.14);
  color: #ffd23f;
  padding: 12px 20px;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.02em;
  animation: btnSnap 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

@keyframes btnSnap {
  0%, 55%, 100% {
    transform: scale(1);
  }
  75% {
    transform: scale(0.97);
  }
}
.formhud__corner {
  position: absolute;
  width: 10px;
  height: 10px;
  pointer-events: none;
  border-color: #ffd23f;
  border-style: solid;
  border-width: 0;
}

.formhud__corner--tl {
  top: 4px;
  left: 4px;
  border-top-width: 2px;
  border-left-width: 2px;
  animation: snapTl 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

.formhud__corner--tr {
  top: 4px;
  right: 4px;
  border-top-width: 2px;
  border-right-width: 2px;
  animation: snapTr 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

.formhud__corner--bl {
  bottom: 4px;
  left: 4px;
  border-bottom-width: 2px;
  border-left-width: 2px;
  animation: snapBl 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

.formhud__corner--br {
  bottom: 4px;
  right: 4px;
  border-bottom-width: 2px;
  border-right-width: 2px;
  animation: snapBr 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

@keyframes snapTl {
  0%, 55%, 100% {
    transform: translate(0, 0);
  }
  75% {
    transform: translate(3px, 3px);
  }
}
@keyframes snapTr {
  0%, 55%, 100% {
    transform: translate(0, 0);
  }
  75% {
    transform: translate(-3px, 3px);
  }
}
@keyframes snapBl {
  0%, 55%, 100% {
    transform: translate(0, 0);
  }
  75% {
    transform: translate(3px, -3px);
  }
}
@keyframes snapBr {
  0%, 55%, 100% {
    transform: translate(0, 0);
  }
  75% {
    transform: translate(-3px, -3px);
  }
}
.formhud__field {
  position: relative;
  display: block;
  border-radius: 8px;
  background: #17141a;
  box-shadow: 0 1px 0 0 rgba(255, 210, 63, 0.4);
  animation: focusGlow 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

@keyframes focusGlow {
  0%, 55%, 100% {
    box-shadow: 0 1px 0 0 rgba(255, 210, 63, 0.4);
  }
  75% {
    box-shadow: 0 1px 0 0 rgba(255, 210, 63, 0.9), 0 0 0 3px rgba(255, 210, 63, 0.25), 0 0 20px rgba(255, 210, 63, 0.35);
  }
}
.formhud__input {
  box-sizing: border-box;
  width: 100%;
  border: 0;
  background: transparent;
  padding: 12px 16px;
  color: #fff7e6;
  font-weight: 500;
  font-size: clamp(12px, 2.8vw, 13px);
  line-height: 1;
  font-family: inherit;
  outline: none;
}

.formhud__input::placeholder {
  color: rgba(255, 247, 230, 0.45);
}

.formhud__caret {
  position: absolute;
  left: 16px;
  top: 50%;
  width: 2px;
  height: 14px;
  transform: translateY(-50%);
  background: #ffd23f;
  animation: blink 2s steps(1) infinite;
}

@keyframes blink {
  0%, 49% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0.2;
  }
}
@media (prefers-reduced-motion: reduce) {
  .formhud__btn, .formhud__corner, .formhud__field, .formhud__caret {
    animation: none !important;
  }
  .formhud__btn {
    transform: scale(1);
  }
  .formhud__corner {
    transform: translate(0, 0);
  }
  .formhud__field {
    box-shadow: 0 1px 0 0 rgba(255, 210, 63, 0.4);
  }
  .formhud__caret {
    opacity: 1;
  }
}

import type { CSSProperties } from "react";
import styles from "./ButtonsInputsHud.module.scss";

export type ButtonsInputsHudProps = {
  buttonLabel?: string;
  placeholder?: string;
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

export default function ButtonsInputsHud({
  buttonLabel = "락온 시작",
  placeholder = "이메일 주소",
  duration = 2000,
  easing = "cubic-bezier(.2,1.4,.4,1)",
  color = "#ffd23f",
}: ButtonsInputsHudProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <form className={styles.form} style={vars}>
      <button type="button" className={styles.btn}>
        <span className={`${styles.corner} ${styles.cornerTl}`} aria-hidden="true" />
        <span className={`${styles.corner} ${styles.cornerTr}`} aria-hidden="true" />
        <span className={`${styles.corner} ${styles.cornerBl}`} aria-hidden="true" />
        <span className={`${styles.corner} ${styles.cornerBr}`} aria-hidden="true" />
        {buttonLabel}
      </button>
      <label className={styles.field}>
        <input className={styles.input} type="email" placeholder={placeholder} readOnly />
        <span className={styles.caret} aria-hidden="true" />
      </label>
    </form>
  );
}