:root {
  --navy: #07344f;
  --deep: #082b42;
  --ocean: #087eaa;
  --aqua: #41d8df;
  --foam: #eefcfa;
  --coral: #ff755b;
  --sun: #ffbf51;
  --ink: #102f3e;
  --muted: #64808c;
  --paper: #f7fbf8;
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Noto Sans SC", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 10; color: #fff; }
.nav-shell { width: min(1180px, calc(100% - 48px)); height: 92px; margin: auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.2); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 900; letter-spacing: -.03em; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; color: #fff; background: var(--coral); border-radius: 14px 14px 14px 5px; transform: rotate(-3deg); box-shadow: 0 8px 22px rgba(255,117,91,.28); }
.brand-mark svg { width: 29px; fill: currentColor; transform: rotate(3deg); }
nav { display: flex; align-items: center; gap: 38px; margin-left: auto; margin-right: 44px; }
nav a { position: relative; font-size: 14px; font-weight: 600; color: rgba(255,255,255,.84); }
nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 2px; background: var(--sun); transition: right .25s; }
nav a:hover::after { right: 0; }
.nav-cta { padding: 11px 19px; font-size: 13px; font-weight: 700; border: 1px solid rgba(255,255,255,.45); border-radius: 99px; transition: .25s; }
.nav-cta:hover { background: #fff; color: var(--deep); }
.menu-button { display: none; border: 0; background: transparent; padding: 8px; }
.menu-button span { display: block; width: 24px; height: 2px; margin: 5px; background: #fff; }

.hero { position: relative; min-height: 780px; height: 100vh; max-height: 950px; overflow: hidden; color: #fff; background: var(--deep); }
.hero-image, .hero-overlay { position: absolute; inset: 0; }
.hero-image { background: url("assets/ocean-hero.png") center/cover no-repeat; transform: scale(1.015); animation: settle 1.5s ease-out both; }
.hero-overlay { background: linear-gradient(90deg, rgba(1,31,51,.94) 0%, rgba(2,45,70,.75) 35%, rgba(2,42,62,.12) 68%, rgba(2,31,44,.12) 100%), linear-gradient(0deg, rgba(3,31,42,.42), transparent 42%); }
.hero-copy { position: relative; z-index: 2; width: min(1180px, calc(100% - 48px)); margin: auto; padding-top: clamp(180px, 22vh, 230px); }
.eyebrow, .kicker { margin: 0 0 20px; color: var(--coral); font-size: 12px; font-weight: 800; letter-spacing: .19em; }
.eyebrow { display: flex; align-items: center; gap: 11px; color: #b9f7f4; }
.eyebrow span { width: 28px; height: 2px; background: var(--coral); }
h1 { margin: 0; font-size: clamp(64px, 8vw, 112px); line-height: .98; letter-spacing: -.075em; font-weight: 900; }
h1 em { color: transparent; -webkit-text-stroke: 1.5px rgba(255,255,255,.86); font-style: normal; }
.hero-desc { max-width: 490px; margin: 30px 0 0; color: rgba(255,255,255,.74); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 13px; min-height: 54px; padding: 0 25px; border-radius: 99px; font-size: 14px; font-weight: 700; transition: transform .25s, background .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--coral); color: #fff; box-shadow: 0 14px 34px rgba(255,117,91,.3); }
.button-primary span { font-size: 20px; }
.button-ghost { border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.08); backdrop-filter: blur(8px); }
.play { width: 28px; height: 28px; display: grid; place-items: center; padding-left: 2px; border-radius: 50%; background: #fff; color: var(--ocean); font-size: 9px; }
.hero-note { display: flex; align-items: center; gap: 12px; margin-top: 62px; color: rgba(255,255,255,.42); font-size: 9px; letter-spacing: .22em; }
.hero-note i { width: 4px; height: 4px; background: var(--aqua); border-radius: 50%; }
.scroll-cue { position: absolute; z-index: 2; left: 50%; bottom: 28px; display: flex; flex-direction: column; align-items: center; gap: 8px; transform: translateX(-50%); color: rgba(255,255,255,.62); font-size: 10px; letter-spacing: .16em; }
.scroll-cue b { font-size: 22px; animation: bob 1.8s infinite; }

.section { padding: 130px max(24px, calc((100vw - 1180px) / 2)); }
.section-head { max-width: 760px; margin: 0 auto 70px; text-align: center; }
.section h2 { margin: 0; color: var(--ink); font-size: clamp(38px, 5vw, 64px); line-height: 1.22; letter-spacing: -.05em; }
.section-head > p:last-child { max-width: 620px; margin: 25px auto 0; color: var(--muted); font-size: 16px; line-height: 1.9; }
.intro { background: linear-gradient(180deg, #f7fbf8 0%, #ecf8f5 100%); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 22px; }
.story-card { position: relative; min-height: 400px; padding: 42px 38px; overflow: hidden; background: #fff; border-radius: var(--radius); box-shadow: 0 18px 60px rgba(19,74,84,.08); }
.story-card h3 { margin: 112px 0 12px; font-size: 26px; }
.story-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.card-icon { position: absolute; top: 38px; left: 38px; width: 60px; height: 60px; display: grid; place-items: center; color: #fff; background: var(--ocean); border-radius: 20px 20px 20px 6px; font-size: 25px; }
.card-number { position: absolute; top: 30px; right: 32px; color: #c8dadc; font-size: 12px; font-weight: 800; }
.story-accent { color: #fff; background: var(--coral); }
.story-accent .card-icon { color: var(--coral); background: #fff; }
.story-accent h3, .story-accent p { color: #fff; }
.story-accent p { color: rgba(255,255,255,.78); }
.story-accent .card-number { color: rgba(255,255,255,.55); }
.wave-line { position: absolute; right: -50px; bottom: -50px; width: 200px; height: 130px; border: 24px solid rgba(65,216,223,.15); border-radius: 50%; }
.story-image { padding-top: 215px; background: var(--deep); color: #fff; }
.story-image h3 { margin: 0 0 12px; }
.story-image p { color: rgba(255,255,255,.68); }
.story-image .card-number { color: rgba(255,255,255,.4); }
.mini-ocean { position: absolute; inset: 0 0 auto; height: 185px; overflow: hidden; background: linear-gradient(155deg, #16bfce, #057aa5 65%, #075071); }
.mini-ocean::after { content: ""; position: absolute; inset: auto -20px -25px; height: 70px; background: #fff; border-radius: 50% 50% 0 0 / 30% 30% 0 0; opacity: .08; }
.fish { position: absolute; fill: #fff; opacity: .9; }
.fish-one { width: 90px; top: 48px; right: 38px; }
.fish-two { width: 48px; top: 112px; left: 45px; opacity: .42; transform: scaleX(-1); }
.bubble { position: absolute; border: 1px solid rgba(255,255,255,.6); border-radius: 50%; }
.b1 { width: 9px; height: 9px; left: 32%; top: 38px; }.b2 { width: 15px; height: 15px; left: 24%; top: 73px; }.b3 { width: 6px; height: 6px; left: 67%; top: 108px; }
.orbit { position: absolute; right: -50px; bottom: -90px; width: 230px; height: 230px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; box-shadow: 0 0 0 28px rgba(255,255,255,.05), 0 0 0 55px rgba(255,255,255,.04); }

.feature-section { color: #fff; background: var(--deep); }
.feature-shell { display: grid; grid-template-columns: .9fr 1.1fr; gap: 92px; align-items: center; }
.kicker.light { color: var(--aqua); }
.feature-copy h2 { color: #fff; }
.feature-copy > p:nth-child(3) { max-width: 470px; color: rgba(255,255,255,.6); line-height: 1.9; }
.feature-list { margin: 45px 0 0; padding: 0; list-style: none; }
.feature-list li { display: flex; gap: 22px; padding: 23px 0; border-top: 1px solid rgba(255,255,255,.12); }
.feature-list li > span { padding-top: 4px; color: var(--coral); font-size: 11px; font-weight: 800; }
.feature-list h3 { margin: 0 0 7px; font-size: 17px; }
.feature-list p { margin: 0; color: rgba(255,255,255,.52); font-size: 13px; line-height: 1.65; }
.feature-visual { position: relative; min-height: 610px; }
.feature-visual img { width: 100%; height: 610px; object-fit: cover; object-position: 72% center; border-radius: 30px 30px 30px 8px; }
.visual-badge { position: absolute; left: -42px; top: 48px; width: 145px; height: 145px; display: flex; flex-direction: column; justify-content: center; align-items: center; border: 7px solid var(--deep); border-radius: 50%; background: var(--coral); transform: rotate(-7deg); box-shadow: 0 18px 35px rgba(0,0,0,.18); }
.visual-badge strong { font-size: 30px; }.visual-badge span { margin-top: 5px; font-size: 9px; letter-spacing: .1em; }
.visual-card { position: absolute; right: -28px; bottom: 42px; min-width: 195px; padding: 17px 20px; color: var(--ink); background: rgba(255,255,255,.92); border-radius: 15px; box-shadow: 0 15px 40px rgba(0,0,0,.2); backdrop-filter: blur(8px); }
.visual-card span { display: block; margin-bottom: 4px; color: var(--muted); font-size: 10px; }.visual-card strong { font-size: 14px; }

.company { background: #edf7f4; }
.company-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; padding: 78px; background: #fff; border-radius: 32px 32px 32px 8px; box-shadow: 0 20px 70px rgba(16,70,74,.08); }
.company-title h2 { font-size: clamp(36px, 4vw, 53px); }
.company-content > p { margin: 6px 0 34px; color: var(--muted); line-height: 1.95; }
dl { margin: 0; }
dl > div { display: grid; grid-template-columns: 90px 1fr; gap: 22px; padding: 20px 0; border-top: 1px solid #dce9e7; }
dt { color: #8aa0a7; font-size: 12px; } dd { margin: 0; font-size: 14px; line-height: 1.8; font-weight: 600; }

footer { padding: 65px max(24px, calc((100vw - 1180px) / 2)) 25px; color: #fff; background: #062a40; }
.footer-main { display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 30px; padding-bottom: 48px; }
.footer-main > p { color: rgba(255,255,255,.5); font-size: 13px; }
.back-top { font-size: 12px; font-weight: 700; color: #b8eeee; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 23px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.38); font-size: 11px; }
.footer-bottom a:hover { color: #fff; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@keyframes settle { from { transform: scale(1.08); opacity: .65; } to { transform: scale(1.015); opacity: 1; } }
@keyframes bob { 50% { transform: translateY(6px); } }

@media (max-width: 900px) {
  nav, .nav-cta { display: none; }
  .menu-button { display: block; }
  nav.open { position: absolute; display: flex; flex-direction: column; align-items: flex-start; gap: 20px; top: 78px; right: 24px; margin: 0; padding: 24px; background: rgba(6,42,64,.96); border-radius: 18px; box-shadow: 0 18px 40px rgba(0,0,0,.22); }
  .hero-overlay { background: linear-gradient(90deg, rgba(1,31,51,.94), rgba(2,45,70,.58) 75%, rgba(2,31,44,.3)); }
  .intro-grid { grid-template-columns: 1fr 1fr; }.story-accent { grid-column: span 2; min-height: 330px; }
  .feature-shell, .company-panel { grid-template-columns: 1fr; gap: 60px; }
  .feature-visual { width: calc(100% - 20px); margin-left: 20px; }
  .company-panel { padding: 55px; }
}

@media (max-width: 620px) {
  .nav-shell, .hero-copy { width: calc(100% - 34px); }
  .nav-shell { height: 78px; }
  .hero { min-height: 720px; max-height: 820px; }
  .hero-image { background-position: 66% center; }
  .hero-overlay { background: linear-gradient(0deg, rgba(2,34,51,.94) 0%, rgba(3,45,67,.72) 55%, rgba(1,27,43,.3) 100%); }
  .hero-copy { padding-top: 170px; }
  h1 { font-size: 57px; }
  .hero-desc { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 280px; }
  .hero-note { display: none; }
  .scroll-cue { display: none; }
  .section { padding-top: 90px; padding-bottom: 90px; }
  .section-head { text-align: left; margin-bottom: 45px; }
  .section-head > p:last-child { margin-left: 0; }
  .intro-grid { grid-template-columns: 1fr; }
  .story-accent { grid-column: auto; min-height: 400px; }
  .feature-shell { gap: 45px; }
  .feature-visual { min-height: 470px; width: 100%; margin: 0; }
  .feature-visual img { height: 470px; }
  .visual-badge { left: -10px; top: 25px; width: 115px; height: 115px; }
  .visual-badge strong { font-size: 25px; }
  .visual-card { right: -8px; bottom: 25px; }
  .company-panel { padding: 38px 25px; border-radius: 24px 24px 24px 7px; }
  dl > div { grid-template-columns: 1fr; gap: 8px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}