/* 말씀소리 웹 — 공통 스타일 (marketing / privacy) */
:root {
  --bg-deep: #0c1222;
  --bg-card: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.12);
  --text: #e8ecf4;
  --text-soft: #9aa3b5;
  --accent: #c9a227;
  --accent-soft: rgba(201, 162, 39, 0.25);
  --navy: #1a2744;
  --gradient-hero: linear-gradient(
    135deg,
    #0c1222 0%,
    #152238 35%,
    #1e3358 70%,
    #0d1829 100%
  );
  --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.45);
  --radius: 20px;
  --font: "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-deep);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* 미묘한 그리드 노이즈 오버레이 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 9999;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease-out);
}

a:hover {
  color: #e4c456;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 48px);
  background: rgba(12, 18, 34, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand:hover {
  color: var(--text);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  text-decoration: none;
  transition:
    background 0.25s var(--ease-out),
    color 0.25s var(--ease-out);
}

.nav-links a:hover {
  background: var(--bg-glass);
  color: var(--text);
}

.nav-links a.is-active {
  background: var(--accent-soft);
  color: var(--accent);
}

/* 히어로 배경 애니메이션 */
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  background-size: 200% 200%;
  animation: gradient-shift 14s ease infinite;
}

@keyframes gradient-shift {
  0%,
  100% {
    background-position: 0% 40%;
  }
  50% {
    background-position: 100% 60%;
  }
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  animation: float-soft 12s ease-in-out infinite;
}

.hero-orb--1 {
  width: min(480px, 70vw);
  height: min(480px, 70vw);
  background: radial-gradient(circle, rgba(201, 162, 39, 0.35), transparent 70%);
  top: -10%;
  right: -5%;
}

.hero-orb--2 {
  width: min(360px, 50vw);
  height: min(360px, 50vw);
  background: radial-gradient(circle, rgba(100, 140, 220, 0.35), transparent 70%);
  bottom: 10%;
  left: -8%;
  animation-delay: -4s;
}

@keyframes float-soft {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-12px, 16px) scale(1.05);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition:
    transform 0.2s var(--ease-out),
    box-shadow 0.25s var(--ease-out);
}

.btn--primary {
  background: linear-gradient(145deg, #d4af37, #a67c1a);
  color: #0c1222;
  box-shadow: 0 8px 32px rgba(201, 162, 39, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201, 162, 39, 0.45);
}

.btn--ghost {
  background: var(--bg-glass);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 32px);
  backdrop-filter: blur(12px);
  transition:
    transform 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 162, 39, 0.35);
  box-shadow: var(--shadow-lg);
}

.site-footer {
  margin-top: 80px;
  padding: 48px clamp(20px, 4vw, 48px) 80px;
  border-top: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 14px;
}

.site-footer .inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.muted {
  color: var(--text-soft);
  font-size: 14px;
}

/* Privacy article */
.article-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 56px) clamp(20px, 4vw, 48px) 80px;
}

.article-wrap h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height:1.25;
  margin: 0 0 12px;
}

.article-meta {
  color: var(--text-soft);
  font-size: 14px;
  margin-bottom: 40px;
}

.article-wrap h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--text);
}

.article-wrap h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 28px 0 10px;
}

.article-wrap p,
.article-wrap li {
  color: var(--text-soft);
}

.article-wrap ul {
  padding-left: 1.25rem;
}

.article-wrap li {
  margin-bottom: 8px;
}

.article-wrap strong {
  color: var(--text);
}