/* 효도라디오 사이트: 앱처럼 원목·황동·크림 색. 기기 기본 글꼴과 로컬 자산만 쓴다. */
:root {
  color-scheme: light dark;
  --bg: #fbf6ee;
  --surface: #fffdf8;
  --ink: #2b1a0e;
  --muted: #6e5846;
  --accent: #9a5a12;
  --cream: #f6ead3;
  --line: #e7d8c0;
  --wood: #3a1d0c;
  --wood-2: #5a2e14;
  --brass: #e0b25a;
  --brass-2: #b9832c;
  --red: #c8231c;
  --button: #3a1d0c;
  --button-text: #fff4dc;
  --shadow: 0 24px 60px #3a1d0c24;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #170f09;
    --surface: #22170f;
    --ink: #f6ead8;
    --muted: #c7b29a;
    --accent: #f0c46e;
    --cream: #2c1e13;
    --line: #3e2c1e;
    --button: #f0c46e;
    --button-text: #2b1a0e;
    --shadow: 0 24px 60px #00000066;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 18px/1.8 system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.35; letter-spacing: -0.04em; }
h2 { font-size: clamp(28px, 3.6vw, 42px); }
h3 { font-size: 23px; }
p + p { margin-top: 16px; }
.container { width: min(1120px, 100% - 32px); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 14px; border-radius: 10px; }
.skip-link:focus { left: 16px; z-index: 10; }

/* 머리말 */
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; font-size: 21px; text-decoration: none; letter-spacing: -0.03em; }
.brand img { width: 38px; height: 38px; border-radius: 11px; box-shadow: 0 4px 12px #3a1d0c33; }
.site-nav { display: flex; align-items: center; gap: 22px; font-size: 16px; }
.site-nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.site-nav a:hover { color: var(--ink); }
.site-nav .nav-download { color: var(--button-text); background: var(--button); padding: 8px 16px; border-radius: 999px; }
@media (max-width: 720px) { .site-nav .nav-detail { display: none; } }

/* 첫 화면 */
.hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; padding: 40px 0 80px; }
@media (max-width: 880px) { .hero { grid-template-columns: 1fr; padding-top: 16px; } }
.eyebrow { color: var(--accent); font-weight: 800; font-size: 15px; letter-spacing: 0.02em; display: inline-flex; align-items: center; gap: 8px; }
.on-air { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--red); color: #fff; font-size: 12px; letter-spacing: 0.08em; }
.hero h1 { font-size: clamp(40px, 6vw, 68px); margin-top: 14px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-description { margin-top: 20px; font-size: 20px; color: var(--muted); }
.store-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; gap: 10px; padding: 15px 24px; border-radius: 16px; background: var(--button); color: var(--button-text); font-weight: 800; text-decoration: none; box-shadow: var(--shadow); }
.button:hover { filter: brightness(1.08); }
.store-icon { width: 22px; height: 22px; }
.download-note { margin-top: 12px; font-size: 15px; color: var(--muted); }
.hero-benefits { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 26px 0 0; }
.hero-benefits li { padding: 6px 14px; border-radius: 999px; background: var(--cream); border: 1px solid var(--line); font-weight: 700; font-size: 15px; }
.hero-benefits li::before { content: "✓ "; color: var(--accent); }

/* 휴대폰 틀 */
.hero-visual { position: relative; display: grid; place-items: center; }
.glow { position: absolute; inset: 8% 6%; border-radius: 50%; background: radial-gradient(closest-side, #f0b45a55, transparent); filter: blur(10px); }
.phone { position: relative; width: min(330px, 78vw); padding: 12px; border-radius: 46px; background: linear-gradient(145deg, #1b120b, #3d2a1c); box-shadow: var(--shadow), inset 0 0 0 2px #ffffff14; }
.phone img { border-radius: 34px; }
.hero-visual figcaption { margin-top: 16px; font-size: 14px; color: var(--muted); }

/* 기능 */
.section { padding: 80px 0; }
.section-heading { max-width: 720px; margin-bottom: 44px; }
.section-heading h2 { margin-top: 10px; }
.section-heading > p:last-child { margin-top: 14px; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 980px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-grid > *, .hero > *, .wood-band > * { min-width: 0; }
.span-2 { grid-column: span 2; }
@media (max-width: 620px) { .span-2 { grid-column: auto; } }
.feature { display: flex; flex-direction: column; gap: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: 26px; box-shadow: 0 10px 30px #3a1d0c10; }
.step { display: inline-block; font-size: 14px; font-weight: 800; color: var(--accent); }
.feature h3 { margin-top: 6px; }
.feature p { margin-top: 8px; color: var(--muted); font-size: 17px; }
.shot { margin-top: auto; border-radius: 22px; overflow: hidden; background: var(--wood); padding: 10px; }
.shot img { border-radius: 14px; }
.shot.wide { padding: 18px; background: linear-gradient(160deg, #4a6178, #2e3a4f); }
.caption { margin-top: 22px; font-size: 14px; color: var(--muted); }

/* 원목 띠 */
.wood-band { margin: 20px 0; padding: 56px clamp(24px, 5vw, 64px); border-radius: 36px; color: #fff1d6; background: radial-gradient(120% 140% at 10% 0%, #6b3a1a, #3a1d0c 55%, #24120a); box-shadow: var(--shadow); display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
@media (max-width: 820px) { .wood-band { grid-template-columns: 1fr; } }
.wood-band .eyebrow { color: var(--brass); }
.wood-band h2 { margin-top: 8px; color: #fff4dc; }
.wood-band p { color: #ead9bc; }
.wood-band a { color: var(--brass); }
.badges { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.badges div { padding: 16px; border-radius: 18px; background: #ffffff10; border: 1px solid #ffffff1c; }
.badges strong { display: block; color: #fff4dc; font-size: 19px; }
.badges span { font-size: 15px; color: #e6d2b0; }

/* 테마 */
.theme-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 820px) { .theme-row { grid-template-columns: repeat(2, 1fr); } }
.theme-row figure { text-align: center; font-weight: 700; }
.theme-row img { border-radius: 20px; box-shadow: 0 10px 28px #3a1d0c22; margin-bottom: 10px; }

/* 자주 묻는 질문 */
.faq-list { display: grid; gap: 12px; max-width: 860px; }
details { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 18px 22px; }
summary { cursor: pointer; font-weight: 800; font-size: 19px; }
details p { margin-top: 12px; color: var(--muted); }

/* 받기 띠 */
.download-banner { margin: 40px 0 80px; text-align: center; padding: 64px 24px; border-radius: 36px; background: var(--cream); border: 1px solid var(--line); }
.download-banner h2 { margin-top: 10px; }
.download-banner .store-buttons { justify-content: center; }

/* 꼬리말 */
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; padding: 36px 0 56px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.site-footer p { margin-top: 8px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: var(--muted); }

/* 글 페이지 (개인정보처리방침) */
.doc { max-width: 760px; padding: 24px 0 80px; }
.doc h1 { font-size: clamp(30px, 4vw, 42px); }
.doc h2 { font-size: 22px; margin-top: 36px; color: var(--accent); }
.doc p, .doc li { color: var(--ink); }
.doc .meta { color: var(--muted); margin-top: 8px; }

/* 설명 이미지 모음: 옆으로 넘겨 보기 */
.gallery { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(240px, 300px); gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 14px; -webkit-overflow-scrolling: touch; }
.gallery a { scroll-snap-align: start; border-radius: 26px; overflow: hidden; box-shadow: 0 16px 36px #3a1d0c33; }
.gallery img { width: 100%; height: auto; }