:root {
    --navy: #1A2F50;
    --teal: #00A9A3;
    --teal-light: #00C8C1;
    --teal-dark: #007F7A;
    --white: #FFFFFF;
    --gray-50: #F8FAFB;
    --gray-100: #EFF3F6;
    --gray-300: #CBD5E1;
    --gray-500: #64748B;
    --gray-700: #334155;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Noto Sans KR', sans-serif;
    color: var(--navy);
    background: var(--white);
    overflow-x: hidden;
  }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(26,47,80,0.08);
    padding: 0 5%;
    display: flex; align-items: center; justify-content: space-between;
    height: 68px;
    transition: box-shadow .3s;
  }
  nav.scrolled { box-shadow: 0 4px 24px rgba(26,47,80,0.1); }

  .nav-logo {
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--navy);
    text-decoration: none;
    display: flex; align-items: center; gap: 8px;
  }
  .nav-logo span { color: var(--teal); }

  .nav-logo .logo-icon {
    width: 36px; height: 36px;
    background: var(--navy);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
  }
  .nav-logo .logo-icon img { width: 30px; height: 30px; }

  .nav-links {
    display: flex; gap: 2.5rem; list-style: none;
  }
  .nav-links a {
    text-decoration: none; color: var(--gray-700);
    font-size: .9rem; font-weight: 500;
    position: relative; padding-bottom: 2px;
    transition: color .2s;
  }
  .nav-links a::after {
    content: ''; position: absolute; bottom: -2px; left: 0;
    width: 0; height: 2px; background: var(--teal);
    transition: width .3s;
  }
  .nav-links a:hover { color: var(--teal); }
  .nav-links a:hover::after { width: 100%; }

  .nav-cta {
    background: var(--teal); color: var(--white);
    border: none; border-radius: 50px;
    padding: .55rem 1.4rem;
    font-size: .88rem; font-weight: 700;
    cursor: pointer; transition: all .2s;
    font-family: 'Noto Sans KR', sans-serif;
  }
  .nav-cta:hover { background: var(--teal-dark); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(0,169,163,.35); }

  .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
  .hamburger span { width: 24px; height: 2px; background: var(--navy); border-radius: 4px; transition: .3s; }

  /* ── HERO ── */
  #hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--navy) 0%, #0D1E3A 60%, #0A3D3B 100%);
    display: flex; align-items: center;
    padding: 68px 5% 0;
    position: relative; overflow: hidden;
  }

  .hero-bg-circle {
    position: absolute; border-radius: 50%;
    background: rgba(0,169,163,0.08);
  }
  .hero-bg-circle.c1 { width: 600px; height: 600px; top: -200px; right: -100px; }
  .hero-bg-circle.c2 { width: 400px; height: 400px; bottom: -150px; left: -100px; background: rgba(0,169,163,0.05); }
  .hero-dots {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 32px 32px;
  }

  .hero-inner {
    max-width: 1100px; margin: 0 auto; width: 100%;
    display: grid; grid-template-columns: 1fr 1fr;
    align-items: center; gap: 4rem;
    padding: 5rem 0;
    position: relative; z-index: 2;
  }

  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(0,169,163,.18); color: var(--teal-light);
    border: 1px solid rgba(0,169,163,.3);
    border-radius: 50px; padding: .4rem 1rem;
    font-size: .8rem; font-weight: 700; letter-spacing: .05em;
    margin-bottom: 1.4rem;
    animation: fadeUp .7s ease both;
  }
  .hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal-light); animation: pulse 2s infinite; }

  .hero-title {
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    font-size: clamp(2.4rem, 4.5vw, 3.8rem);
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 1.2rem;
    animation: fadeUp .7s .1s ease both;
  }
  .hero-title em { color: var(--teal-light); font-style: normal; }

  .hero-sub {
    font-size: 1.05rem; color: rgba(255,255,255,.65);
    line-height: 1.75; margin-bottom: 2.5rem;
    animation: fadeUp .7s .2s ease both;
  }

  .hero-actions {
    display: flex; gap: 1rem; flex-wrap: wrap;
    animation: fadeUp .7s .3s ease both;
  }
  .btn-store {
    display: flex; align-items: center; gap: 10px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 14px;
    padding: .75rem 1.4rem;
    color: var(--white); text-decoration: none;
    font-size: .85rem; font-weight: 600;
    transition: all .25s; backdrop-filter: blur(8px);
  }
  .btn-store:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.3); }
  .btn-store svg { width: 22px; height: 22px; flex-shrink: 0; }
  .btn-store .store-label { display: flex; flex-direction: column; }
  .btn-store .store-label small { font-size: .68rem; opacity: .7; font-weight: 400; }

  .hero-visual {
    display: flex; justify-content: center; align-items: center;
    animation: fadeUp .8s .2s ease both;
  }

  .phone-mockup {
    width: 260px; height: 520px;
    background: var(--navy);
    border: 3px solid rgba(255,255,255,.15);
    border-radius: 40px;
    position: relative; overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.05), inset 0 1px 0 rgba(255,255,255,.1);
    transform: rotate(-4deg);
  }
  .phone-mockup::before {
    content: ''; position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
    width: 80px; height: 22px; background: #0a1829; border-radius: 12px; z-index: 10;
  }
  .phone-screen {
    width: 100%; height: 100%;
    background: linear-gradient(160deg, #0e2042 0%, #0d3535 100%);
    padding: 52px 16px 20px;
    display: flex; flex-direction: column; gap: 12px;
  }
  .ps-header { font-family: 'Nunito', sans-serif; font-weight: 900; font-size: 1.1rem; color: var(--white); }
  .ps-header span { color: var(--teal-light); }
  .ps-input {
    background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
    border-radius: 12px; padding: 10px 12px;
    display: flex; align-items: center; gap: 8px;
  }
  .ps-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
  .ps-dot.green { background: var(--teal-light); }
  .ps-dot.orange { background: #FF8C42; }
  .ps-input-text { font-size: .7rem; color: rgba(255,255,255,.5); }
  .ps-map {
    flex: 1; border-radius: 14px; overflow: hidden;
    background: #0c2a28; position: relative;
  }
  .ps-route {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
  }
  .ps-route svg { width: 100%; height: 100%; }
  .ps-card {
    background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1);
    border-radius: 14px; padding: 10px 12px;
    display: flex; align-items: center; gap: 10px;
  }
  .ps-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--teal); display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 700; color: white; flex-shrink: 0; }
  .ps-card-info { flex: 1; }
  .ps-card-name { font-size: .72rem; font-weight: 700; color: white; }
  .ps-card-route { font-size: .62rem; color: rgba(255,255,255,.45); margin-top: 1px; }
  .ps-card-price { font-size: .78rem; font-weight: 800; color: var(--teal-light); font-family: 'Nunito', sans-serif; }
  .ps-btn { background: var(--teal); color: white; border: none; border-radius: 12px; padding: 10px; font-size: .78rem; font-weight: 800; text-align: center; font-family: 'Noto Sans KR', sans-serif; cursor: default; }

  /* ── STATS ── */
  .stats-band {
    background: var(--navy);
    padding: 3rem 5%;
  }
  .stats-inner {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  .stat-item {
    text-align: center; padding: 1.5rem;
    border-right: 1px solid rgba(255,255,255,.1);
  }
  .stat-item:last-child { border-right: none; }
  .stat-num {
    font-family: 'Nunito', sans-serif;
    font-size: 2.6rem; font-weight: 900;
    color: var(--teal-light);
    line-height: 1;
  }
  .stat-label { font-size: .85rem; color: rgba(255,255,255,.55); margin-top: .5rem; font-weight: 500; }

  /* ── SECTION BASE ── */
  section { padding: 6rem 5%; }
  .section-tag {
    display: inline-block;
    background: rgba(0,169,163,.1); color: var(--teal-dark);
    border-radius: 50px; padding: .3rem .9rem;
    font-size: .78rem; font-weight: 700; letter-spacing: .06em;
    margin-bottom: 1rem;
  }
  .section-title {
    font-family: 'Nunito', sans-serif;
    font-weight: 900; font-size: clamp(1.8rem, 3vw, 2.6rem);
    line-height: 1.25; color: var(--navy);
    margin-bottom: 1rem;
  }
  .section-sub { font-size: 1rem; color: var(--gray-500); line-height: 1.7; max-width: 520px; }
  .center { text-align: center; }
  .center .section-sub { margin: 0 auto; }

  /* ── FEATURES ── */
  #features { background: var(--gray-50); }
  .features-grid {
    max-width: 1100px; margin: 3rem auto 0;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  }
  .feat-card {
    background: var(--white);
    border-radius: 24px;
    padding: 2.2rem;
    border: 1px solid var(--gray-100);
    transition: all .3s;
    position: relative; overflow: hidden;
  }
  .feat-card::before {
    content: ''; position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--teal), var(--teal-light));
    transform: scaleX(0); transform-origin: left;
    transition: transform .3s;
  }
  .feat-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(26,47,80,.1); border-color: rgba(0,169,163,.2); }
  .feat-card:hover::before { transform: scaleX(1); }

  .feat-icon {
    width: 56px; height: 56px; border-radius: 16px;
    background: rgba(0,169,163,.1);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.4rem;
  }
  .feat-icon svg { width: 28px; height: 28px; }
  .feat-title { font-weight: 800; font-size: 1.1rem; margin-bottom: .6rem; color: var(--navy); }
  .feat-desc { font-size: .88rem; color: var(--gray-500); line-height: 1.7; }

  /* ── HOW IT WORKS ── */
  #how {
    background: var(--white);
    padding: 6rem 5%;
  }
  .how-inner {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr;
    align-items: center; gap: 5rem;
  }
  .steps { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 1.8rem; }
  .step {
    display: flex; gap: 1.2rem; align-items: flex-start;
    opacity: 0; animation: fadeUp .5s ease forwards;
  }
  .step:nth-child(1) { animation-delay: .1s; }
  .step:nth-child(2) { animation-delay: .2s; }
  .step:nth-child(3) { animation-delay: .3s; }
  .step:nth-child(4) { animation-delay: .4s; }

  .step-num {
    width: 44px; height: 44px; border-radius: 14px;
    background: var(--teal); color: white;
    font-family: 'Nunito', sans-serif;
    font-weight: 900; font-size: 1.1rem;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }
  .step-body { padding-top: 4px; }
  .step-title { font-weight: 800; font-size: 1rem; margin-bottom: .3rem; }
  .step-desc { font-size: .88rem; color: var(--gray-500); line-height: 1.65; }

  .how-visual {
    display: flex; justify-content: center;
  }
  .map-card {
    width: 320px;
    background: var(--navy);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(26,47,80,.25);
    border: 1px solid rgba(255,255,255,.05);
  }
  .map-card-header {
    padding: 1.2rem 1.4rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
    display: flex; align-items: center; justify-content: space-between;
  }
  .map-card-title { font-family: 'Nunito', sans-serif; font-weight: 800; font-size: .95rem; color: white; }
  .map-badge { background: rgba(0,169,163,.2); color: var(--teal-light); border-radius: 50px; padding: .25rem .75rem; font-size: .72rem; font-weight: 700; }
  .map-area {
    height: 200px; background: linear-gradient(160deg, #0a2030 0%, #0d3535 100%);
    position: relative; overflow: hidden;
  }
  .map-area svg { width: 100%; height: 100%; }
  .rider-list { padding: 1rem 1.2rem; display: flex; flex-direction: column; gap: .8rem; }
  .rider-row {
    display: flex; align-items: center; gap: .9rem;
    padding: .75rem; background: rgba(255,255,255,.05);
    border-radius: 12px; border: 1px solid rgba(255,255,255,.07);
  }
  .rider-av { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .8rem; font-weight: 700; color: white; flex-shrink: 0; }
  .rider-info { flex: 1; }
  .rider-name { font-size: .78rem; font-weight: 700; color: white; }
  .rider-from { font-size: .68rem; color: rgba(255,255,255,.4); margin-top: 1px; }
  .rider-cost { font-family: 'Nunito', sans-serif; font-size: .85rem; font-weight: 800; color: var(--teal-light); }
  .match-btn { width: 100%; margin: 0 1.2rem 1.2rem; width: calc(100% - 2.4rem); background: var(--teal); color: white; border: none; border-radius: 12px; padding: .85rem; font-size: .88rem; font-weight: 800; font-family: 'Noto Sans KR', sans-serif; cursor: default; }

  /* ── REVIEWS ── */
  #reviews { background: var(--gray-50); }
  .reviews-grid {
    max-width: 1100px; margin: 3rem auto 0;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  }
  .review-card {
    background: var(--white); border-radius: 20px;
    padding: 1.8rem; border: 1px solid var(--gray-100);
    transition: transform .3s, box-shadow .3s;
  }
  .review-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(26,47,80,.08); }
  .review-stars { color: #FFB830; font-size: 1rem; margin-bottom: 1rem; letter-spacing: 2px; }
  .review-text { font-size: .9rem; color: var(--gray-700); line-height: 1.75; margin-bottom: 1.2rem; }
  .review-author { display: flex; align-items: center; gap: .8rem; }
  .review-av { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .85rem; font-weight: 700; color: white; }
  .review-name { font-size: .85rem; font-weight: 700; color: var(--navy); }
  .review-meta { font-size: .75rem; color: var(--gray-500); }

  /* ── CTA BAND ── */
  #cta {
    background: linear-gradient(135deg, var(--navy) 0%, #0D3D3A 100%);
    padding: 6rem 5%;
    text-align: center; position: relative; overflow: hidden;
  }
  #cta::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 120%, rgba(0,169,163,.25) 0%, transparent 70%);
  }
  .cta-inner { position: relative; z-index: 2; }
  .cta-title {
    font-family: 'Nunito', sans-serif;
    font-weight: 900; font-size: clamp(2rem, 4vw, 3rem);
    color: white; margin-bottom: 1rem;
  }
  .cta-title em { color: var(--teal-light); font-style: normal; }
  .cta-sub { color: rgba(255,255,255,.6); font-size: 1rem; margin-bottom: 2.5rem; }
  .cta-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

  /* ── FOOTER ── */
  footer {
    background: #0D1829;
    padding: 3rem 5%;
    color: rgba(255,255,255,.4);
  }
  .footer-inner {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
  }
  .footer-brand .nav-logo { margin-bottom: 1rem; }
  .footer-brand p { font-size: .83rem; line-height: 1.7; color: rgba(255,255,255,.35); }
  .footer-col h4 { color: rgba(255,255,255,.7); font-size: .88rem; font-weight: 700; margin-bottom: 1rem; }
  .footer-col a { display: block; color: rgba(255,255,255,.4); text-decoration: none; font-size: .83rem; margin-bottom: .6rem; transition: color .2s; }
  .footer-col a:hover { color: var(--teal-light); }
  .footer-bottom {
    max-width: 1100px; margin: 2rem auto 0;
    padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.07);
    display: flex; justify-content: space-between; align-items: center;
    font-size: .78rem; flex-wrap: wrap; gap: .5rem;
  }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .5; transform: scale(.8); }
  }

  /* ── SCROLL REVEAL ── */
  .reveal { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  /* ── MOBILE ── */
  @media (max-width: 900px) {
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: flex; }
    .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; text-align: center; padding: 3rem 0 3rem; }
    .hero-visual { display: none; }
    .hero-actions { justify-content: center; }
    .stats-inner { grid-template-columns: repeat(3, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .how-inner { grid-template-columns: 1fr; }
    .how-visual { display: none; }
    .reviews-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  }
  @media (max-width: 600px) {
    .stats-inner { grid-template-columns: 1fr; }
    .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); }
    .stat-item:last-child { border-bottom: none; }
  }

  /* Mobile menu */
  .mobile-menu {
    display: none; position: fixed; inset: 68px 0 0 0;
    background: white; z-index: 99;
    flex-direction: column; padding: 2rem 5%; gap: 1.5rem;
    box-shadow: 0 8px 24px rgba(26,47,80,.15);
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a { text-decoration: none; color: var(--navy); font-size: 1.1rem; font-weight: 600; padding: .5rem 0; border-bottom: 1px solid var(--gray-100); }
  .mobile-menu .btn-dl {
    background: var(--teal); color: white;
    border-radius: 14px; padding: .9rem;
    text-align: center; font-weight: 800;
    border-bottom: none; margin-top: .5rem;
  }