@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');

:root {
  --ink: #0b1020;
  --ink-2: #151d32;
  --paper: #f6f7fa;
  --white: #ffffff;
  --muted: #687086;
  --line: #dfe3ea;
  --accent: #ff6b4a;
  --accent-soft: #fff0ec;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Noto Sans KR", sans-serif; font-size: 16px; line-height: 1.7; word-break: keep-all; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.skip-link { position: fixed; top: -100px; left: 1rem; z-index: 100; padding: .7rem 1rem; background: #fff; color: #111; }
.skip-link:focus { top: 1rem; }

.site-header { position: absolute; top: 0; left: 0; width: 100%; z-index: 10; border-bottom: 1px solid rgba(255,255,255,.14); color: #fff; }
.nav-wrap { width: min(var(--max), calc(100% - 40px)); height: 80px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-size: 1.05rem; font-weight: 800; letter-spacing: -.04em; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid currentColor; border-radius: 50%; font-size: .72rem; font-weight: 900; letter-spacing: -.12em; padding-right: 2px; }
nav { display: flex; align-items: center; gap: 2rem; margin-left: auto; font-size: .9rem; font-weight: 500; }
nav a { opacity: .76; transition: opacity .2s; }
nav a:hover, nav a:focus-visible { opacity: 1; }
.nav-cta { padding: .65rem 1.1rem; border: 1px solid rgba(255,255,255,.45); border-radius: 999px; font-size: .86rem; font-weight: 700; transition: .2s; }
.nav-cta:hover { background: #fff; color: var(--ink); }

.hero { position: relative; min-height: 820px; display: flex; align-items: center; overflow: hidden; background: var(--ink); color: #fff; }
.hero-media { position: absolute; inset: 0; background: url('/assets/daegu-phone-hero.png') center/cover no-repeat; transform: scale(1.01); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,12,26,.97) 0%, rgba(7,12,26,.88) 34%, rgba(7,12,26,.22) 72%, rgba(7,12,26,.05) 100%); }
.hero-content { position: relative; width: min(var(--max), calc(100% - 40px)); margin: 75px auto 0; padding: 5rem 0 3rem; }
.eyebrow, .section-kicker { margin: 0 0 1rem; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .18em; }
.hero h1 { max-width: 750px; margin: 0; font-size: clamp(3rem, 6.2vw, 5.4rem); line-height: 1.12; letter-spacing: -.07em; font-weight: 800; }
.hero h1 span { color: var(--accent); }
.hero-copy { max-width: 640px; margin: 1.7rem 0 0; color: rgba(255,255,255,.72); font-size: 1.05rem; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: .7rem; padding: .82rem 1.35rem; border-radius: 6px; font-size: .92rem; font-weight: 800; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--accent); color: #161616; }
.button.primary:hover { background: #ff8569; }
.button.secondary { border: 1px solid rgba(255,255,255,.35); color: #fff; backdrop-filter: blur(8px); }
.button.large { min-height: 60px; padding-inline: 1.8rem; }
.hero-points { display: flex; gap: 0; padding: 0; margin: 4.6rem 0 0; list-style: none; color: rgba(255,255,255,.74); font-size: .84rem; }
.hero-points li { padding-right: 2rem; margin-right: 2rem; border-right: 1px solid rgba(255,255,255,.2); }
.hero-points li:last-child { border: 0; }
.hero-points b { color: var(--accent); margin-right: .5rem; }

.ticker { overflow: hidden; background: var(--accent); color: #151515; }
.ticker-track { width: max-content; min-width: 100%; min-height: 54px; padding: 0 3rem; display: flex; justify-content: center; align-items: center; gap: 1.4rem; font-size: .78rem; font-weight: 800; letter-spacing: .04em; }
.ticker i { width: 4px; height: 4px; background: currentColor; border-radius: 50%; opacity: .45; }

.section { width: min(var(--max), calc(100% - 40px)); margin: auto; padding: 8.5rem 0; }
.section-head { display: grid; grid-template-columns: 1.05fr 1fr; align-items: end; gap: 2rem; margin-bottom: 3.5rem; }
.section-head .section-kicker { grid-column: 1 / -1; margin-bottom: -.6rem; }
.section h2, .area-strip h2, .final-cta h2 { margin: 0; font-size: clamp(2.2rem, 4vw, 3.8rem); line-height: 1.2; letter-spacing: -.065em; }
.section-head > p:last-child { max-width: 530px; margin: 0; color: var(--muted); }
.guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.guide-card { min-height: 265px; padding: 2.1rem; display: grid; grid-template-columns: 48px 1fr; gap: 1rem; align-content: space-between; background: #fff; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.guide-card.featured { background: var(--ink); color: #fff; }
.card-no { color: var(--accent); font-size: .78rem; font-weight: 800; }
.card-label { margin: 0 0 .25rem; color: var(--accent); font-size: .64rem; font-weight: 800; letter-spacing: .12em; }
.guide-card h3 { margin: 0 0 .75rem; font-size: 1.5rem; letter-spacing: -.04em; }
.guide-card p:last-child { max-width: 420px; margin: 0; color: var(--muted); font-size: .9rem; }
.guide-card.featured p:last-child { color: rgba(255,255,255,.62); }

.steps { width: 100%; max-width: none; padding: 0; background: var(--ink); color: #fff; }
.steps-inner { width: min(var(--max), calc(100% - 40px)); margin: auto; padding: 8.5rem 0; }
.section-head.light { display: block; }
.step-list { margin: 3.5rem 0; padding: 0; border-top: 1px solid rgba(255,255,255,.16); list-style: none; }
.step-list li { display: grid; grid-template-columns: 90px 1fr; padding: 2rem 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.step-num { color: var(--accent); font-size: .8rem; font-weight: 800; }
.step-list h3 { margin: 0 0 .45rem; font-size: 1.35rem; }
.step-list p { margin: 0; color: rgba(255,255,255,.6); }
.steps-cta { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.6rem 1.8rem; background: var(--ink-2); border-left: 3px solid var(--accent); }
.steps-cta p { margin: 0; color: rgba(255,255,255,.62); font-size: .9rem; }
.steps-cta strong { color: #fff; font-size: 1rem; }

.compare { display: grid; grid-template-columns: .85fr 1.15fr; gap: 5rem; align-items: center; }
.compare-copy > p:not(.section-kicker) { color: var(--muted); }
.compare-copy strong { color: var(--ink); }
.compare-board { min-height: 380px; padding: 3rem; display: flex; flex-direction: column; justify-content: center; background: var(--accent-soft); border: 1px solid #ffd6cc; }
.formula-main { margin-bottom: 2.4rem; font-size: 1.1rem; font-weight: 800; }
.formula-grid { display: grid; grid-template-columns: 1fr auto 1.3fr auto 1fr; align-items: center; gap: .8rem; }
.formula-grid span { min-height: 88px; display: grid; place-items: center; text-align: center; background: #fff; border: 1px solid #ffd2c8; font-size: .94rem; font-weight: 800; }
.formula-grid b { color: var(--accent); font-size: 1.5rem; }
.formula-grid small { color: var(--muted); font-weight: 500; }
.compare-board > p { margin: 2rem 0 0; color: var(--muted); font-size: .76rem; }

.area-strip { padding: 5rem max(20px, calc((100% - var(--max))/2)); display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 3rem; background: var(--accent); color: #151515; }
.area-strip .section-kicker { color: rgba(0,0,0,.55); }
.area-strip > p { margin: 0; font-weight: 700; line-height: 2; }

.faq { display: grid; grid-template-columns: .75fr 1.25fr; gap: 5rem; }
.faq .section-head { display: block; margin: 0; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; font-size: 1.02rem; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--accent); font-size: 1.5rem; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -0.4rem 2rem 1.8rem 0; color: var(--muted); font-size: .92rem; }

.final-cta { padding: 8rem 20px; text-align: center; background: #121a2c; color: #fff; }
.final-cta > p:not(.section-kicker) { margin: 1.2rem 0 2rem; color: rgba(255,255,255,.6); }
footer { padding: 4.5rem max(20px, calc((100% - var(--max))/2)); background: #090e1a; color: rgba(255,255,255,.54); }
.footer-brand { color: #fff; }
.footer-top { display: grid; grid-template-columns: .7fr 1.3fr; gap: 4rem; align-items: start; }
.business-info { display: flex; flex-direction: column; align-items: flex-start; gap: .45rem; font-size: .84rem; }
.business-info strong { margin-bottom: .25rem; color: #fff; font-size: 1rem; }
.precon-link { margin-top: .75rem; padding-bottom: .15rem; color: var(--accent); border-bottom: 1px solid rgba(255,107,74,.5); font-weight: 700; }
.precon-link:hover, .precon-link:focus-visible { color: #fff; border-color: #fff; }
.footer-bottom { margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.12); }
.footer-links { display: flex; flex-wrap: wrap; gap: .7rem 1.6rem; color: rgba(255,255,255,.78); font-size: .82rem; font-weight: 600; }
.footer-bottom p { max-width: 700px; margin: 1.2rem 0 0; font-size: .78rem; }
footer .fine-print { line-height: 1.8; }
.mobile-bar { display: none; }

@media (max-width: 900px) {
  body { padding-bottom: 64px; }
  nav, .nav-cta { display: none; }
  .nav-wrap { height: 66px; }
  .hero { min-height: 760px; }
  .hero-shade { background: linear-gradient(90deg, rgba(7,12,26,.97) 0%, rgba(7,12,26,.77) 65%, rgba(7,12,26,.35)); }
  .hero-content { margin-top: 50px; }
  .section-head, .compare, .area-strip, .faq { grid-template-columns: 1fr; }
  .compare, .faq { gap: 3rem; }
  .section { padding: 6rem 0; }
  .steps-inner { padding: 6rem 0; }
  .mobile-bar { position: fixed; bottom: 0; left: 0; right: 0; z-index: 20; display: block; padding: .55rem; background: rgba(11,16,32,.92); backdrop-filter: blur(12px); }
  .mobile-bar a { min-height: 50px; display: flex; align-items: center; justify-content: center; gap: .5rem; background: var(--accent); color: #161616; border-radius: 5px; font-weight: 800; }
}

@media (max-width: 640px) {
  .nav-wrap, .hero-content, .section, .steps-inner { width: min(100% - 32px, var(--max)); }
  .hero { min-height: 720px; }
  .hero-media { background-position: 62% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(7,12,26,.97) 0%, rgba(7,12,26,.85) 62%, rgba(7,12,26,.62)); }
  .hero h1 { font-size: 2.8rem; }
  .hero-copy { font-size: .96rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-points { gap: 1rem; margin-top: 3.2rem; flex-direction: column; }
  .hero-points li { border: 0; padding: 0; margin: 0; }
  .ticker-track { justify-content: flex-start; overflow: hidden; }
  .section-head { display: block; }
  .section-head .section-kicker { margin-bottom: 1rem; }
  .section-head > p:last-child { margin-top: 1.4rem; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-card { min-height: 235px; padding: 1.6rem; }
  .step-list li { grid-template-columns: 45px 1fr; }
  .steps-cta { align-items: stretch; flex-direction: column; }
  .formula-grid { grid-template-columns: 1fr; }
  .formula-grid b { line-height: 1; transform: rotate(90deg); justify-self: center; }
  .compare-board { min-height: auto; padding: 1.6rem; }
  .area-strip { padding-block: 4.5rem; }
  .faq-list summary { min-height: 78px; font-size: .95rem; }
  .footer-top { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-bottom { margin-top: 2.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}