/* Voyage Technology — hkvoyagetech.com
   Nautical-chart editorial system: cool chart paper, deep-sea ink, one harbour-teal accent. */

/* Self-hosted fonts (no third-party requests) */
@font-face { font-family: "Instrument Serif"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/instrument-serif-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Instrument Serif"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/instrument-serif-latin-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Instrument Serif"; font-style: italic; font-weight: 400; font-display: swap; src: url("../fonts/instrument-serif-italic-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Instrument Serif"; font-style: italic; font-weight: 400; font-display: swap; src: url("../fonts/instrument-serif-italic-latin-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
/* Subset of the characters used on this site; other characters fall back to system serif fonts. */
@font-face { font-family: "Noto Serif TC"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/noto-serif-tc-600-subset.woff2") format("woff2"); unicode-range: U+3000-303F, U+4E00-9FFF, U+FF00-FFEF; }

:root {
  --paper: #f3f6f6;
  --paper-alt: #e7eded;
  --surface: #ffffff;
  --ink: #0b1c2b;
  --ink-soft: #33475a;
  --muted: #687987;
  --line: rgba(11, 28, 43, 0.12);
  --line-strong: rgba(11, 28, 43, 0.24);
  --accent: #0b7f86;
  --accent-ink: #076a70;
  --accent-tint: rgba(11, 127, 134, 0.09);
  --deep: #071521;
  --deep-2: #0d2335;
  --foam: #d6e7e6;
  --foam-soft: rgba(214, 231, 230, 0.7);
  --sea: #5cc8c8;
  --line-dark: rgba(214, 231, 230, 0.14);

  --f-display: "Instrument Serif", "Noto Serif TC", "Songti TC", Georgia, "Times New Roman", serif;
  --f-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Helvetica Neue", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  --f-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --maxw: 1240px;
  --header-h: 72px;
  --section-y: clamp(5rem, 10vw, 8.5rem);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
svg { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }

::selection { background: var(--accent); color: #fff; }

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

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  padding: .6rem 1rem; background: var(--ink); color: var(--paper); text-decoration: none; border-radius: 4px;
}
.skip-link:focus { top: 1rem; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }

/* ---------- Type ---------- */

h1, h2, h3, h4 { margin: 0; font-weight: 400; }

h1, .display {
  font-family: var(--f-display);
  font-size: clamp(2.75rem, 6.4vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 em, .h2 em, .display em, .band-statement em { font-style: italic; color: var(--accent); }

.h2 {
  font-family: var(--f-display);
  font-size: clamp(2.1rem, 4.3vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.h3 { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.005em; line-height: 1.35; }

.lede { font-size: clamp(1.08rem, 1.5vw, 1.28rem); color: var(--ink-soft); line-height: 1.62; max-width: 38rem; }

.muted { color: var(--muted); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .75rem;
  margin: 0 0 1.4rem;
  font-family: var(--f-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent-ink);
}
.eyebrow::before { content: ""; width: 1.8rem; height: 1px; background: currentColor; }
.eyebrow--plain::before { display: none; }

.mono { font-family: var(--f-mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }

html[lang="zh-Hant"] body { font-size: 1.05rem; line-height: 1.8; }
html[lang="zh-Hant"] h1, html[lang="zh-Hant"] .display {
  font-family: "Noto Serif TC", "Songti TC", var(--f-display);
  font-weight: 600; letter-spacing: 0; line-height: 1.18;
  font-size: clamp(2.1rem, 4.6vw, 3.9rem);
}
html[lang="zh-Hant"] .h2 {
  font-family: "Noto Serif TC", "Songti TC", var(--f-display);
  font-weight: 600; letter-spacing: 0; line-height: 1.22;
  font-size: clamp(1.8rem, 3.6vw, 2.9rem);
}
html[lang="zh-Hant"] em { font-style: normal; }
html[lang="zh-Hant"] .eyebrow { letter-spacing: .14em; }

/* ---------- Buttons & links ---------- */

.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 3rem; padding: .78rem 1.45rem;
  border-radius: 999px; border: 1px solid transparent;
  font-size: .95rem; font-weight: 500; line-height: 1.2; text-decoration: none; white-space: nowrap;
  cursor: pointer; background: none;
  transition: background-color .3s, color .3s, border-color .3s, transform .3s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 1.05rem; height: 1.05rem; flex: none; display: inline-block; }

.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--accent-ink); }
.btn--line { border-color: var(--line-strong); color: var(--ink); }
.btn--line:hover { border-color: var(--ink); }
.btn--light { background: var(--foam); color: var(--deep); }
.btn--light:hover { background: #fff; }
.btn--ghost { border-color: rgba(214, 231, 230, .32); color: var(--foam); }
.btn--ghost:hover { border-color: var(--foam); }

.btn--store { background: var(--ink); color: var(--paper); padding: .55rem 1.25rem .55rem 1rem; }
.btn--store .store-label { display: flex; flex-direction: column; text-align: left; }
.btn--store .store-label span:first-child { font-size: .66rem; opacity: .75; letter-spacing: .02em; }
.btn--store .store-label span:last-child { font-size: 1rem; font-weight: 600; }
.btn--store.is-soon { background: transparent; color: var(--ink); border: 1px dashed var(--line-strong); }
.band-deep .btn--store.is-soon, .hero-dark .btn--store.is-soon { color: var(--foam); border-color: rgba(214, 231, 230, .35); }

.text-link {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--accent-ink); font-weight: 500; text-decoration: none;
  border-bottom: 1px solid currentColor; padding-bottom: .1rem;
}
.text-link::after { content: "→"; transition: transform .35s var(--ease); }
.text-link:hover::after { transform: translateX(4px); }
.band-deep .text-link { color: var(--sea); }

.status-pill {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .38rem .85rem .38rem .7rem; border-radius: 999px;
  border: 1px solid rgba(11, 127, 134, .35); background: var(--accent-tint);
  font-family: var(--f-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-ink);
}
.status-pill .ping { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.status-pill .ping::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--accent);
  animation: ping 2.2s var(--ease) infinite;
}
.band-deep .status-pill, .hero-dark .status-pill { border-color: rgba(92, 200, 200, .4); background: rgba(92, 200, 200, .08); color: var(--sea); }
.band-deep .status-pill .ping, .hero-dark .status-pill .ping { background: var(--sea); }
.band-deep .status-pill .ping::after, .hero-dark .status-pill .ping::after { border-color: var(--sea); }

/* ---------- Header ---------- */

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 60; height: var(--header-h);
  color: var(--ink);
  transition: background-color .35s, box-shadow .35s, color .35s;
}
.site-header.is-scrolled, body.menu-open .site-header {
  background: rgba(243, 246, 246, .88);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  box-shadow: 0 1px 0 var(--line);
  color: var(--ink);
}
.has-dark-hero .site-header:not(.is-scrolled) { color: var(--foam); }
body.menu-open.has-dark-hero .site-header { color: var(--ink); }

.header-inner {
  max-width: var(--maxw); height: 100%; margin: 0 auto; padding-inline: var(--gutter);
  display: flex; align-items: center; gap: 2rem;
}

.brand-link { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; color: inherit; flex: none; }
.brand-mark { width: 32px; height: 32px; flex: none; }
.brand-mark .bm-wave { stroke: var(--accent); }
.has-dark-hero .site-header:not(.is-scrolled) .brand-mark .bm-wave { stroke: var(--sea); }
.brand-word { display: flex; flex-direction: column; line-height: 1.05; }
.brand-word strong { font-family: var(--f-display); font-weight: 400; font-size: 1.35rem; letter-spacing: .005em; }
.brand-word small { font-family: var(--f-mono); font-size: .58rem; letter-spacing: .22em; text-transform: uppercase; opacity: .62; margin-top: .15rem; }
html[lang="zh-Hant"] .brand-word strong { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: 1.15rem; letter-spacing: .08em; }

.header-nav { display: flex; gap: 2.1rem; margin-left: auto; }
.header-nav a { position: relative; padding: .3rem 0; font-size: .94rem; text-decoration: none; color: inherit; opacity: .78; transition: opacity .3s; }
.header-nav a:hover, .header-nav a.is-active { opacity: 1; }
.header-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease);
}
.header-nav a:hover::after, .header-nav a.is-active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: .9rem; }
.lang-switch {
  font-family: var(--f-mono); font-size: .74rem; letter-spacing: .06em; text-decoration: none; color: inherit;
  padding: .38rem .62rem; border: 1px solid currentColor; border-radius: 4px; opacity: .7; transition: opacity .3s;
}
.lang-switch:hover { opacity: 1; }
.header-cta {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .55rem 1rem; border-radius: 999px; font-size: .88rem; font-weight: 500; text-decoration: none;
  background: var(--ink); color: var(--paper); transition: background-color .3s, color .3s;
}
.header-cta svg { width: 15px; height: 15px; display: inline-block; }
.header-cta:hover { background: var(--accent-ink); }
.has-dark-hero .site-header:not(.is-scrolled) .header-cta { background: var(--foam); color: var(--deep); }

.menu-toggle {
  display: none; width: 44px; height: 44px; margin-right: -10px; border: 0; background: none; cursor: pointer;
  position: relative; color: inherit;
}
.menu-toggle span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor; transition: transform .35s var(--ease), opacity .25s; }
.menu-toggle span:nth-child(1) { top: 16px; }
.menu-toggle span:nth-child(2) { top: 21.5px; }
.menu-toggle span:nth-child(3) { top: 27px; }
.menu-toggle.is-open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: var(--header-h) 0 0; z-index: 55;
  display: flex; flex-direction: column; padding: 1.5rem var(--gutter) 2.5rem;
  background: var(--paper); overflow-y: auto;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .3s, transform .35s var(--ease), visibility .3s;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; transform: none; }
.mobile-nav a { padding: 1.05rem 0; border-bottom: 1px solid var(--line); font-family: var(--f-display); font-size: 1.9rem; text-decoration: none; color: var(--ink); }
html[lang="zh-Hant"] .mobile-nav a { font-family: "Noto Serif TC", "Songti TC", serif; font-size: 1.5rem; }
.mobile-nav a.mobile-nav__minor { font-family: var(--f-mono); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); border-bottom: 0; padding: .8rem 0 0; }

/* ---------- Sections ---------- */

.section { padding-block: var(--section-y); position: relative; }
.section--alt { background: var(--paper-alt); }
.section--tight { padding-block: clamp(3.5rem, 7vw, 5.5rem); }

.band-deep { position: relative; background: var(--deep); color: var(--foam); padding-block: var(--section-y); overflow: hidden; }
.band-deep .eyebrow { color: var(--sea); }
.band-deep .lede, .band-deep p { color: var(--foam-soft); }
.band-deep h2, .band-deep h3, .band-deep h4 { color: #fff; }

.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 5rem); align-items: end; margin-bottom: clamp(3rem, 6vw, 4.5rem); }
.section-head > p { color: var(--ink-soft); max-width: 34rem; }
.band-deep .section-head > p { color: var(--foam-soft); }

.chart-grid { position: relative; isolation: isolate; }
.chart-grid::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(11, 28, 43, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 28, 43, .05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 30%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 30%, transparent 80%);
}
.band-deep.chart-grid::before, .hero-dark.chart-grid::before {
  background-image:
    linear-gradient(to right, rgba(214, 231, 230, .06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(214, 231, 230, .06) 1px, transparent 1px);
}

/* ---------- SVG helpers ---------- */

.svg-stage { color: var(--ink); }
.svg-stage text { font-family: var(--f-mono); }
.s-acc { stroke: var(--accent); }
.f-acc { fill: var(--accent); }
.f-paper { fill: var(--paper); }
.f-alt { fill: var(--paper-alt); }
.f-surface { fill: var(--surface); }
.f-ink { fill: var(--ink); }
.s-ink { stroke: var(--ink); }
.f-muted { fill: var(--muted); }
.s-sea { stroke: var(--sea); }
.f-sea { fill: var(--sea); }
.f-deep { fill: var(--deep); }
.f-foam { fill: var(--foam); }
.s-foam { stroke: var(--foam); }

.draw { stroke-dasharray: 1 1; stroke-dashoffset: 1; transition: stroke-dashoffset 2.2s var(--ease); }
.is-visible .draw, .draw.is-visible { stroke-dashoffset: 0; }
.draw.t1 { transition-delay: .25s; } .draw.t2 { transition-delay: .5s; } .draw.t3 { transition-delay: .75s; }
.draw.t4 { transition-delay: 1s; } .draw.t5 { transition-delay: 1.25s; } .draw.t6 { transition-delay: 1.5s; }
.draw.t7 { transition-delay: 1.75s; } .draw.t8 { transition-delay: 2s; }

.pop { opacity: 0; transform: scale(.4); transform-box: fill-box; transform-origin: center; transition: opacity .6s var(--ease), transform .7s var(--ease); }
.is-visible .pop { opacity: 1; transform: none; }
.pop.t1 { transition-delay: .3s; } .pop.t2 { transition-delay: .6s; } .pop.t3 { transition-delay: .9s; }
.pop.t4 { transition-delay: 1.2s; } .pop.t5 { transition-delay: 1.5s; } .pop.t6 { transition-delay: 1.8s; }

.fade-in { opacity: 0; transition: opacity 1s var(--ease); }
.is-visible .fade-in { opacity: 1; }
.fade-in.t2 { transition-delay: .6s; } .fade-in.t4 { transition-delay: 1.2s; } .fade-in.t6 { transition-delay: 1.8s; }

.wave { animation: drift 7s linear infinite; }
.wave--slow { animation-duration: 11s; }
.wave--rev { animation-direction: reverse; animation-duration: 9s; }

.spin-slow { transform-box: fill-box; transform-origin: center; animation: spin 90s linear infinite; }
.spin-mid { transform-box: fill-box; transform-origin: center; animation: spin 24s linear infinite; }
.needle-swing { transform-box: fill-box; transform-origin: center; animation: needle 7s ease-in-out infinite; }
.needle-search { transform-box: fill-box; transform-origin: center; animation: needle-search 5s cubic-bezier(.5, 0, .3, 1) infinite; }
.bob { transform-box: fill-box; transform-origin: 50% 80%; animation: bob 4.6s ease-in-out infinite; }
.twinkle { animation: twinkle 3.4s ease-in-out infinite; }
.twinkle.tw2 { animation-delay: -1.1s; animation-duration: 4.2s; }
.twinkle.tw3 { animation-delay: -2.3s; animation-duration: 2.8s; }
.sonar-ring { transform-box: fill-box; transform-origin: center; animation: sonar 3s var(--ease) infinite; }
.sonar-ring.r2 { animation-delay: 1s; }
.sonar-ring.r3 { animation-delay: 2s; }
.flow { stroke-dasharray: 4 10; animation: flow 1.6s linear infinite; }
.flow--slow { animation-duration: 3s; }

.is-offscreen *, .is-offscreen *::before, .is-offscreen *::after { animation-play-state: paused !important; }

@keyframes drift { to { transform: translateX(-80px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes needle {
  0%, 100% { transform: rotate(-9deg); }
  30% { transform: rotate(7deg); }
  55% { transform: rotate(-4deg); }
  78% { transform: rotate(3deg); }
}
@keyframes needle-search {
  0% { transform: rotate(0deg); }
  35% { transform: rotate(250deg); }
  55% { transform: rotate(200deg); }
  75% { transform: rotate(410deg); }
  100% { transform: rotate(360deg); }
}
@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-2.5deg); }
  50% { transform: translateY(-4px) rotate(2.5deg); }
}
@keyframes twinkle { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }
@keyframes sonar { 0% { transform: scale(.3); opacity: .8; } 100% { transform: scale(2.6); opacity: 0; } }
@keyframes ping { 0% { transform: scale(1); opacity: .9; } 100% { transform: scale(3); opacity: 0; } }
@keyframes flow { to { stroke-dashoffset: -28; } }

/* ---------- Reveal ---------- */

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .12s; } .reveal.d2 { transition-delay: .24s; } .reveal.d3 { transition-delay: .36s; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Home: hero ---------- */

.hero { position: relative; padding: calc(var(--header-h) + clamp(2.5rem, 6vw, 4.5rem)) 0 clamp(2.5rem, 5vw, 4rem); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.hero-copy .lede { margin-top: 1.6rem; }
.hero-actions { margin-top: 2.2rem; }
.hero-stage { position: relative; margin-right: calc(var(--gutter) * -0.5); }
.hero-stage svg { width: 100%; height: auto; }

.waypoint { opacity: 0; animation: waypoint-in .7s var(--ease) forwards; }
.waypoint.w1 { animation-delay: .9s; } .waypoint.w2 { animation-delay: 1.4s; } .waypoint.w3 { animation-delay: 1.9s; } .waypoint.w4 { animation-delay: 2.4s; }
@keyframes waypoint-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.boat-wrap { opacity: 0; animation: fade-up .8s 2.6s var(--ease) forwards; }
@keyframes fade-up { to { opacity: 1; } }

.meta-row {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line);
}
.meta-row > div { padding: 1.3rem 1.5rem 0 0; }
.meta-row > div + div { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.meta-row dt { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: .45rem; }
.meta-row dd { font-size: 1rem; font-weight: 500; }
.meta-row dd .soon { color: var(--accent-ink); }

.wave-divider { display: block; width: 100%; height: 56px; color: var(--accent); opacity: .45; overflow: hidden; }
.wave-divider svg { width: calc(100% + 160px); height: 56px; max-width: none; }

/* ---------- Home: discipline ledger ---------- */

.ledger { border-top: 1px solid var(--line); }
.ledger-row {
  display: grid; grid-template-columns: 4.5rem 4rem minmax(0, 1fr) minmax(0, 1.3fr); gap: 1.5rem; align-items: start;
  padding: 2rem 0; border-bottom: 1px solid var(--line);
  transition: background-color .4s;
}
.ledger-row:hover { background: linear-gradient(90deg, var(--accent-tint), transparent 70%); }
.ledger-row .n { font-family: var(--f-mono); font-size: .8rem; color: var(--accent-ink); padding-top: .35rem; letter-spacing: .08em; }
.ledger-row .ico { width: 48px; height: 48px; color: var(--ink); }
.ledger-row .ico svg { width: 48px; height: 48px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.ledger-row h3 { font-family: var(--f-display); font-size: clamp(1.6rem, 2.6vw, 2.1rem); line-height: 1.1; }
html[lang="zh-Hant"] .ledger-row h3 { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: clamp(1.3rem, 2.2vw, 1.65rem); }
.ledger-row p { color: var(--ink-soft); }
.ledger-row .tags { margin-top: .8rem; font-family: var(--f-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

/* ---------- Home: voyage route ---------- */

.route-wide { margin: clamp(1rem, 3vw, 2rem) 0 0; color: var(--ink); }
.route-wide svg { width: 100%; height: auto; overflow: visible; }
.route-steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.5rem; margin-top: 1.4rem; }
.route-steps li { text-align: center; padding-inline: .25rem; }
.route-steps .k { display: block; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .16em; color: var(--accent-ink); margin-bottom: .55rem; }
.route-steps strong { display: block; font-family: var(--f-display); font-size: 1.6rem; font-weight: 400; line-height: 1.1; margin-bottom: .5rem; }
html[lang="zh-Hant"] .route-steps strong { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: 1.3rem; }
.route-steps p { font-size: .94rem; color: var(--ink-soft); line-height: 1.55; }

/* ---------- Home: shipyard ---------- */

.shipyard { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.shipyard-stage svg { width: 100%; max-width: 440px; height: auto; margin-inline: auto; }
.shipyard-copy .h2 { margin: 1.4rem 0 1.4rem; }
.shipyard-copy .btn-row { margin-top: 2rem; }
.shipyard-notes { margin-top: 2rem; border-top: 1px solid var(--line); }
.shipyard-notes li { display: flex; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--line); font-size: .98rem; color: var(--ink-soft); }
.shipyard-notes li span { flex: none; width: 2.2rem; font-family: var(--f-mono); font-size: .74rem; color: var(--accent-ink); padding-top: .2rem; }

.blk { opacity: 0; transform-box: fill-box; transform-origin: left center; animation: assemble 9s var(--ease) infinite; animation-delay: calc(var(--i, 0) * .22s); }
@keyframes assemble {
  0% { opacity: 0; transform: translateY(8px) scaleX(.6); }
  10%, 72% { opacity: 1; transform: none; }
  86%, 100% { opacity: 0; transform: translateY(-4px); }
}
.scan-line { animation: scan 4.5s ease-in-out infinite; }
@keyframes scan { 0%, 100% { transform: translateY(0); opacity: 0; } 10% { opacity: .9; } 50% { transform: translateY(300px); opacity: .9; } 60% { opacity: 0; } }

/* ---------- Home: lighthouse band ---------- */

.lighthouse-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.lighthouse-stage svg { width: 100%; max-width: 460px; height: auto; }
.band-statement { font-family: var(--f-display); font-size: clamp(2.3rem, 5vw, 4.2rem); line-height: 1.04; color: #fff; margin: 0 0 1.4rem; letter-spacing: -.015em; }
.band-deep .band-statement em { color: var(--sea); }
html[lang="zh-Hant"] .band-statement { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: clamp(2rem, 4.2vw, 3.4rem); line-height: 1.2; letter-spacing: 0; }
.assurance { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; margin-top: 2.6rem; padding-top: 2rem; border-top: 1px solid var(--line-dark); }
.assurance h3 { font-size: 1.02rem; font-weight: 600; margin-bottom: .55rem; color: #fff; }
.assurance p { font-size: .95rem; line-height: 1.6; }

.beam { transform-box: view-box; transform-origin: 210px 104px; animation: beam 7s ease-in-out infinite; }
@keyframes beam {
  0% { transform: scaleX(1); opacity: .95; }
  45% { transform: scaleX(-1); opacity: .95; }
  50% { transform: scaleX(-1); opacity: .95; }
  95% { transform: scaleX(1); opacity: .95; }
  100% { transform: scaleX(1); opacity: .95; }
}
.lamp-glow { transform-box: fill-box; transform-origin: center; animation: glow 3.5s ease-in-out infinite; }
@keyframes glow { 0%, 100% { opacity: .55; transform: scale(.9); } 50% { opacity: 1; transform: scale(1.15); } }

/* ---------- CTA ---------- */

.cta-final { text-align: center; }
.cta-final .boat-stage { width: 190px; margin: 0 auto 1.6rem; color: var(--ink); }
.cta-final h2 { max-width: 46rem; margin: 0 auto 1.2rem; }
.cta-final > .container > p { max-width: 36rem; margin: 0 auto 2rem; color: var(--ink-soft); }
.cta-final .btn-row { justify-content: center; }
.cta-note { margin-top: 2.2rem !important; font-family: var(--f-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted) !important; }

/* ---------- Inner heroes ---------- */

.inner-hero { position: relative; padding: calc(var(--header-h) + clamp(3rem, 7vw, 5.5rem)) 0 clamp(3rem, 6vw, 5rem); overflow: hidden; }
.inner-hero__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2rem, 5vw, 5rem); align-items: end; }
.inner-hero__grid > p { color: var(--ink-soft); font-size: 1.1rem; max-width: 32rem; }

.hero-dark { background: var(--deep); color: var(--foam); }
.hero-dark h1 { color: #fff; }
.hero-dark h1 em { color: var(--sea); }
.hero-dark .eyebrow { color: var(--sea); }
.hero-dark .lede { color: var(--foam-soft); }

/* ---------- Products ---------- */

.blueprint-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.blueprint-grid .lede { margin-top: 1.5rem; }
.blueprint-grid .btn-row { margin-top: 2rem; }
.blueprint-stage { color: var(--foam); }
.blueprint-stage svg { width: 100%; height: auto; }
.blueprint-stage text { font-family: var(--f-mono); fill: var(--foam); }

.manifest { width: 100%; border-collapse: collapse; font-size: 1rem; }
.manifest caption { text-align: left; }
.manifest th { text-align: left; font-family: var(--f-mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); font-weight: 400; padding: 0 1.2rem 1rem 0; border-bottom: 1px solid var(--line-strong); }
.manifest td { padding: 1.6rem 1.2rem 1.6rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.manifest .no { font-family: var(--f-mono); font-size: .85rem; color: var(--accent-ink); width: 5.5rem; }
.manifest .vessel strong { display: block; font-family: var(--f-display); font-weight: 400; font-size: 1.7rem; line-height: 1.1; }
html[lang="zh-Hant"] .manifest .vessel strong { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: 1.35rem; }
.manifest .vessel span { display: block; margin-top: .4rem; color: var(--muted); font-size: .94rem; }
.manifest .state { display: inline-flex; align-items: center; gap: .55rem; font-weight: 500; }
.manifest .state i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); position: relative; flex: none; }
.manifest .state i::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--accent); animation: ping 2.2s var(--ease) infinite; }
.manifest .state.is-planned i { background: transparent; border: 1px solid var(--muted); }
.manifest .state.is-planned i::after { display: none; }

.standards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: clamp(1.5rem, 4vw, 3.5rem); }
.standard { padding: 2rem 0 2.4rem; border-top: 1px solid var(--line-strong); }
.standard svg { width: 44px; height: 44px; fill: none; stroke: var(--ink); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 1.3rem; }
.standard svg .s-acc { stroke: var(--accent); }
.standard h3 { margin-bottom: .6rem; }
.standard p { color: var(--ink-soft); font-size: .98rem; }

.checklist-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.checklist li { display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); gap: 1rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.checklist li:first-child { border-top: 1px solid var(--line); }
.checklist svg { width: 28px; height: 28px; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.checklist svg circle { stroke: var(--line-strong); }
.checklist svg path { stroke: var(--accent); }
.checklist strong { display: block; font-weight: 600; margin-bottom: .2rem; }
.checklist span { color: var(--ink-soft); font-size: .96rem; }

.sonar-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.sonar-stage svg { width: 100%; max-width: 360px; height: auto; margin-inline: auto; }
.sweep { transform-box: view-box; transform-origin: 150px 150px; animation: spin 5s linear infinite; }
.blip { animation: blip 5s linear infinite; }
.blip.b2 { animation-delay: 1.6s; } .blip.b3 { animation-delay: 3.1s; }
@keyframes blip { 0%, 100% { opacity: 0; } 8% { opacity: 1; } 40% { opacity: 0; } }

/* ---------- Capabilities ---------- */

.phase-index { border-top: 1px solid var(--line-strong); counter-reset: none; }
.phase-index a { display: grid; grid-template-columns: 3rem minmax(0, 1fr) auto; gap: 1rem; align-items: baseline; padding: .95rem 0; border-bottom: 1px solid var(--line); text-decoration: none; transition: color .3s, padding .4s var(--ease); }
.phase-index a:hover { color: var(--accent-ink); padding-left: .4rem; }
.phase-index .k { font-family: var(--f-mono); font-size: .74rem; color: var(--accent-ink); }
.phase-index strong { font-family: var(--f-display); font-weight: 400; font-size: 1.45rem; line-height: 1.1; }
html[lang="zh-Hant"] .phase-index strong { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: 1.15rem; }
.phase-index em { font-style: normal; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

.voyage { display: grid; grid-template-columns: minmax(0, .62fr) minmax(0, 1.38fr); gap: clamp(2rem, 6vw, 6rem); }
.voyage-map { position: sticky; top: calc(var(--header-h) + 1.5rem); height: calc(100vh - var(--header-h) - 3rem); max-height: 760px; display: flex; flex-direction: column; justify-content: center; }
.voyage-map svg { width: 100%; height: 100%; max-height: 680px; }
.voyage-map text { font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em; fill: var(--muted); transition: fill .4s; }
.voyage-map .port circle.core { fill: var(--paper); stroke: var(--line-strong); stroke-width: 1.5; transition: fill .4s, stroke .4s; }
.voyage-map .port circle.halo { fill: none; stroke: var(--accent); opacity: 0; transition: opacity .4s; }
.voyage-map .port.is-past circle.core { fill: var(--accent); stroke: var(--accent); }
.voyage-map .port.is-current circle.core { fill: var(--paper); stroke: var(--accent); stroke-width: 3; }
.voyage-map .port.is-current circle.halo { opacity: .5; }
.voyage-map .port.is-current text, .voyage-map .port.is-past text { fill: var(--ink); }
.voyage-progress { stroke-dasharray: 1 1; stroke-dashoffset: 1; }

.phase { padding: clamp(2.5rem, 6vh, 4rem) 0; border-top: 1px solid var(--line); min-height: 72vh; display: flex; flex-direction: column; justify-content: center; }
.phase:first-child { border-top: 0; padding-top: 0; }
.phase-ico { width: 88px; height: 88px; margin-bottom: 1.6rem; color: var(--ink); }
.phase-ico svg { width: 88px; height: 88px; fill: none; stroke: currentColor; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; overflow: visible; }
.phase-ico .s-acc { stroke: var(--accent); }
.phase-ico .f-acc { fill: var(--accent); stroke: none; }
.phase .k { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-ink); }
.phase h2 { margin: .7rem 0 1.1rem; }
.phase > p { color: var(--ink-soft); max-width: 40rem; font-size: 1.08rem; }
.phase-cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; margin-top: 2rem; padding-top: 1.6rem; border-top: 1px dashed var(--line-strong); }
.phase-cols h3 { font-family: var(--f-mono); font-size: .7rem; font-weight: 400; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: .8rem; }
.phase-cols li { position: relative; padding-left: 1.2rem; margin-bottom: .5rem; font-size: .98rem; color: var(--ink-soft); }
.phase-cols li::before { content: ""; position: absolute; left: 0; top: .72em; width: .55rem; height: 1px; background: var(--accent); }

.sextant-arm { transform-box: view-box; transform-origin: 44px 18px; animation: sextant 6s ease-in-out infinite; }
@keyframes sextant { 0%, 100% { transform: rotate(-10deg); } 50% { transform: rotate(12deg); } }
.hammer { transform-box: view-box; transform-origin: 70px 30px; animation: hammer 1.8s ease-in-out infinite; }
@keyframes hammer { 0%, 60%, 100% { transform: rotate(0); } 30% { transform: rotate(-28deg); } }
.helm { transform-box: fill-box; transform-origin: center; animation: helm 8s ease-in-out infinite; }
@keyframes helm { 0%, 100% { transform: rotate(-35deg); } 50% { transform: rotate(40deg); } }
.blink { animation: blink 2.4s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: .2; } 50% { opacity: 1; } }

.flywheel-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.flywheel-stage svg { width: 100%; max-width: 440px; height: auto; margin-inline: auto; }
.flywheel-stage text { font-family: var(--f-body); }
.flywheel-stage .serif { font-family: var(--f-display); }
html[lang="zh-Hant"] .flywheel-stage .serif { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; }
.flywheel-list { margin-top: 2rem; border-top: 1px solid var(--line); }
.flywheel-list li { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.flywheel-list strong { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink); font-weight: 400; padding-top: .2rem; }
.flywheel-list span { color: var(--ink-soft); font-size: .98rem; }

.gauges { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1rem, 3vw, 2.5rem); margin-top: clamp(2.5rem, 5vw, 4rem); }
.gauge svg { width: 100%; max-width: 220px; height: auto; }
.gauge h3 { font-family: var(--f-mono); font-size: .76rem; font-weight: 400; letter-spacing: .16em; text-transform: uppercase; color: var(--sea) !important; margin: 1rem 0 .5rem; }
.gauge p { font-size: .95rem; }
.gauge-needle { transform-box: view-box; transform-origin: 100px 104px; transform: rotate(-88deg); transition: transform 2.2s cubic-bezier(.3, 1.5, .5, 1); }
.is-visible .gauge-needle { transform: rotate(var(--to, 30deg)); }
.is-visible .gauge-needle-inner { animation: tremble 3s ease-in-out 2.4s infinite; transform-box: view-box; transform-origin: 100px 104px; }
@keyframes tremble { 0%, 100% { transform: rotate(0); } 50% { transform: rotate(3deg); } }

/* ---------- About ---------- */

.about-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.about-hero-grid .lede { margin-top: 1.5rem; }
.about-hero-grid h1, .blueprint-grid h1, .contact-hero-grid h1 { font-size: clamp(2.6rem, 5.2vw, 4.7rem); }
.constellation svg { width: 100%; height: auto; }
.constellation .star { fill: #fff; }
.constellation .link { stroke: var(--sea); stroke-width: 1; opacity: .7; }

.name-story { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.name-glyph { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: clamp(6rem, 16vw, 12rem); line-height: .95; color: var(--ink); letter-spacing: .02em; position: relative; }
.name-glyph small { display: block; margin-top: 1.2rem; font-family: var(--f-mono); font-weight: 400; font-size: .76rem; letter-spacing: .2em; text-transform: uppercase; color: var(--accent-ink); }
.name-story .copy p { font-size: 1.1rem; color: var(--ink-soft); }
.name-story .copy p:first-child { font-family: var(--f-display); font-size: clamp(1.6rem, 2.6vw, 2.15rem); line-height: 1.25; color: var(--ink); }
html[lang="zh-Hant"] .name-story .copy p:first-child { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: clamp(1.3rem, 2.2vw, 1.7rem); line-height: 1.5; }

.crew-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.crew-stage svg { width: 100%; height: auto; }
.crew-stage text { font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em; }
.crew-roles { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line-strong); }
.crew-roles li { padding: 1.3rem 1rem 0 0; }
.crew-roles li + li { padding-left: 1rem; border-left: 1px solid var(--line); }
.crew-roles strong { display: block; font-weight: 600; margin-bottom: .35rem; }
.crew-roles span { font-size: .92rem; color: var(--ink-soft); line-height: 1.5; display: block; }

.vmv { border-top: 1px solid var(--line-dark); }
.vmv-row { display: grid; grid-template-columns: 12rem minmax(0, 1fr); gap: 2rem; padding: 2.2rem 0; border-bottom: 1px solid var(--line-dark); align-items: baseline; }
.vmv-row dt { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--sea); }
.vmv-row dd { font-family: var(--f-display); font-size: clamp(1.7rem, 3.4vw, 2.7rem); line-height: 1.15; color: #fff; }
html[lang="zh-Hant"] .vmv-row dd { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: clamp(1.4rem, 2.8vw, 2.1rem); line-height: 1.4; }
.vmv-row dd span { display: block; margin-top: .6rem; font-family: var(--f-body); font-size: 1rem; color: var(--foam-soft); line-height: 1.6; font-weight: 400; }

.logbook { position: relative; max-width: 54rem; }
.logbook::before { content: ""; position: absolute; left: 21px; top: .5rem; bottom: .5rem; width: 1px; background: repeating-linear-gradient(to bottom, var(--line-strong) 0 6px, transparent 6px 11px); }
.log-entry { position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 1.6rem; padding: 0 0 2.6rem; }
.log-entry:last-child { padding-bottom: 0; }
.log-entry svg { width: 44px; height: 44px; fill: var(--paper); stroke: var(--accent); stroke-width: 1.5; stroke-linecap: round; position: relative; }
.log-entry .k { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.log-entry h3 { font-family: var(--f-display); font-size: clamp(1.6rem, 2.6vw, 2.1rem); line-height: 1.12; margin: .3rem 0 .6rem; }
html[lang="zh-Hant"] .log-entry h3 { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: clamp(1.3rem, 2.2vw, 1.6rem); }
.log-entry p { color: var(--ink-soft); }

.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); }
.facts > div { padding: 1.4rem 1.5rem 1.4rem 0; border-bottom: 1px solid var(--line); }
.facts > div:not(:nth-child(3n + 1)) { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.facts dt { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: .45rem; }
.facts dd { font-weight: 500; overflow-wrap: anywhere; }
.facts a { color: var(--accent-ink); text-decoration: none; }

/* ---------- Contact ---------- */

.contact-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.contact-hero-grid .lede { margin-top: 1.5rem; }
.flags-stage svg { width: 100%; height: auto; }
.flag { transform-box: fill-box; transform-origin: 50% 0; animation: flag 3.2s ease-in-out infinite; }
.flag.f2 { animation-delay: -.5s; } .flag.f3 { animation-delay: -1s; } .flag.f4 { animation-delay: -1.5s; } .flag.f5 { animation-delay: -2s; }
@keyframes flag { 0%, 100% { transform: rotate(-4deg) skewY(-2deg); } 50% { transform: rotate(5deg) skewY(3deg); } }
.wind { stroke-dasharray: 18 140; animation: wind 3.6s linear infinite; }
.wind.wd2 { animation-delay: -1.2s; } .wind.wd3 { animation-delay: -2.4s; }
@keyframes wind { from { stroke-dashoffset: 158; } to { stroke-dashoffset: 0; } }

.lanes { border-top: 1px solid var(--line-strong); }
.lane { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr) minmax(0, 1.2fr) auto; gap: 1.5rem; align-items: center; padding: 1.7rem 0; border-bottom: 1px solid var(--line); text-decoration: none; transition: background-color .4s; }
.lane:hover { background: linear-gradient(90deg, var(--accent-tint), transparent 75%); }
.lane .k { font-family: var(--f-mono); font-size: .76rem; color: var(--accent-ink); }
.lane strong { font-family: var(--f-display); font-weight: 400; font-size: clamp(1.5rem, 2.4vw, 1.95rem); line-height: 1.1; }
html[lang="zh-Hant"] .lane strong { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: clamp(1.2rem, 2vw, 1.5rem); }
.lane span { color: var(--ink-soft); font-size: .98rem; }
.lane em { font-style: normal; font-family: var(--f-mono); font-size: .74rem; letter-spacing: .06em; color: var(--accent-ink); white-space: nowrap; }
.lane em::after { content: " →"; }

.compose-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.compose { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.4rem 1.6rem; }
.compose .full { grid-column: 1 / -1; }
.field label { display: block; font-family: var(--f-mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: .5rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: .85rem 0; border: 0; border-bottom: 1px solid var(--line-strong); border-radius: 0;
  background: transparent; font-size: 1.02rem; transition: border-color .3s;
  -webkit-appearance: none; appearance: none;
}
.field select { background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%), linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%); background-position: calc(100% - 10px) 52%, calc(100% - 5px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 1.5rem; }
.field textarea { min-height: 8.5rem; resize: vertical; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--accent); }
.compose-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.4rem; }
.compose-note { font-size: .88rem; color: var(--muted); }

.location { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.location-stage svg { width: 100%; height: auto; }
.location-stage text { font-family: var(--f-mono); }
.location dl { border-top: 1px solid var(--line-dark); margin-top: 2rem; }
.location dl > div { display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--line-dark); }
.location dt { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--sea); padding-top: .2rem; }
.location dd { color: var(--foam); overflow-wrap: anywhere; }
.location dd a { color: var(--foam); }

/* ---------- Legal ---------- */

.legal-body { max-width: 46rem; }
.legal-body h2 { font-family: var(--f-display); font-size: 1.9rem; line-height: 1.15; margin: 2.8rem 0 .9rem; }
html[lang="zh-Hant"] .legal-body h2 { font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: 1.4rem; }
.legal-body h2:first-of-type { margin-top: 1.6rem; }
.legal-body p, .legal-body li { color: var(--ink-soft); }
.legal-body ul { margin: 0 0 1em; }
.legal-body li { position: relative; padding-left: 1.2rem; margin-bottom: .45rem; }
.legal-body li::before { content: ""; position: absolute; left: 0; top: .8em; width: .55rem; height: 1px; background: var(--accent); }
.legal-body a { color: var(--accent-ink); }
.legal-meta { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted) !important; }
.legal-toc { position: sticky; top: calc(var(--header-h) + 2rem); font-size: .92rem; }
.legal-toc p { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: .8rem; }
.legal-toc a { display: block; padding: .38rem 0; color: var(--ink-soft); text-decoration: none; border-left: 1px solid var(--line); padding-left: .9rem; }
.legal-toc a:hover { color: var(--accent-ink); border-left-color: var(--accent); }
.legal-layout { display: grid; grid-template-columns: 14rem minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }

/* ---------- 404 ---------- */

.page-404 main { min-height: 100vh; display: flex; align-items: center; padding: calc(var(--header-h) + 3rem) 0 4rem; text-align: center; }
.page-404 .lost-stage { width: 220px; margin: 0 auto 1.8rem; color: var(--ink); }
.page-404 .code { font-family: var(--f-mono); font-size: .8rem; letter-spacing: .22em; color: var(--accent-ink); margin-bottom: 1rem; }
.page-404 h1 { margin-bottom: 1rem; }
.page-404 p { color: var(--ink-soft); max-width: 30rem; margin: 0 auto 2rem; }
.page-404 .btn-row { justify-content: center; }

/* ---------- Footer ---------- */

.site-footer { position: relative; background: var(--deep); color: var(--foam); padding: 0 0 2rem; overflow: hidden; }
.footer-wave { display: block; width: 100%; height: 40px; color: var(--sea); opacity: .45; overflow: hidden; margin-bottom: clamp(3rem, 6vw, 4.5rem); }
.footer-wave svg { width: calc(100% + 160px); max-width: none; height: 40px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); gap: 2.5rem; }
.footer-brand { display: inline-flex; align-items: center; gap: .65rem; color: #fff; text-decoration: none; }
.footer-brand .bm-wave { stroke: var(--sea); }
.footer-note { margin-top: 1.2rem; max-width: 26rem; font-size: .95rem; color: var(--foam-soft); }
.footer-col .footer-h { font-family: var(--f-mono); font-size: .68rem; font-weight: 400; letter-spacing: .18em; text-transform: uppercase; color: var(--sea); margin: 0 0 1rem; }
.footer-col a, .footer-col span { display: block; padding: .3rem 0; color: var(--foam-soft); text-decoration: none; font-size: .95rem; transition: color .3s; overflow-wrap: anywhere; }
.footer-col a:hover { color: #fff; }
.footer-col a[href^="mailto"] { font-size: .86rem; white-space: nowrap; overflow-wrap: normal; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .8rem 2rem; margin-top: clamp(3rem, 6vw, 4.5rem); padding-top: 1.5rem; border-top: 1px solid var(--line-dark); font-family: var(--f-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(214, 231, 230, .5); }

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  .header-nav { gap: 1.5rem; }
  .gauges { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 3rem; }
  .crew-roles { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 1.5rem; }
  .crew-roles li:nth-child(4) { border-left: 0; padding-left: 0; }
}

@media (max-width: 920px) {
  :root { --header-h: 64px; }
  .header-nav, .header-actions .lang-switch, .header-actions .header-cta { display: none; }
  .menu-toggle { display: block; }
  .header-actions { margin-left: auto; }

  .hero-grid, .inner-hero__grid, .section-head, .shipyard, .lighthouse-grid, .blueprint-grid,
  .checklist-grid, .sonar-grid, .flywheel-grid, .about-hero-grid, .name-story, .crew-grid,
  .contact-hero-grid, .compose-grid, .location, .legal-layout { grid-template-columns: minmax(0, 1fr); }

  .hero-stage { margin-right: 0; max-width: 560px; }
  .inner-hero__grid { align-items: start; }
  .section-head { align-items: start; }

  .meta-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .meta-row > div { padding: 1.1rem 1rem 1.1rem 0; border-bottom: 1px solid var(--line); }
  .meta-row > div + div { padding-left: 0; border-left: 0; }
  .meta-row > div:nth-child(even) { padding-left: 1rem; border-left: 1px solid var(--line); }

  .ledger-row { grid-template-columns: 3rem 3.5rem minmax(0, 1fr); }
  .ledger-row > p, .ledger-row > div:last-child { grid-column: 3 / -1; }

  .route-wide { display: none; }
  .route-steps { grid-template-columns: minmax(0, 1fr); gap: 0; border-top: 1px solid var(--line); }
  .route-steps li { text-align: left; display: grid; grid-template-columns: 3rem minmax(0, 1fr); column-gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
  .route-steps .k { grid-row: span 2; padding-top: .35rem; }
  .route-steps strong { margin-bottom: .2rem; }

  .lighthouse-stage svg { max-width: 340px; }
  .assurance { grid-template-columns: minmax(0, 1fr); gap: 1.4rem; }

  .standards { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .voyage { grid-template-columns: minmax(0, 1fr); }
  .voyage-map { display: none; }
  .phase { min-height: 0; }

  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts > div:not(:nth-child(3n + 1)) { padding-left: 0; border-left: 0; }
  .facts > div:nth-child(even) { padding-left: 1.2rem; border-left: 1px solid var(--line); }

  .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid > div:first-child { grid-column: 1 / -1; }

  .legal-toc { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .btn-row .btn { flex: 1 1 auto; }
  .meta-row dd { font-size: .95rem; }

  .ledger-row { grid-template-columns: 2.6rem minmax(0, 1fr); gap: .4rem 1rem; padding: 1.6rem 0; }
  .ledger-row .ico { grid-column: 2; width: 40px; height: 40px; }
  .ledger-row .ico svg { width: 40px; height: 40px; }
  .ledger-row h3, .ledger-row > p, .ledger-row > div:last-child { grid-column: 2; }
  .ledger-row .n { grid-row: 1; }

  .standards { grid-template-columns: minmax(0, 1fr); }
  .manifest thead { display: none; }
  .manifest, .manifest tbody, .manifest tr, .manifest td { display: block; width: 100%; }
  .manifest tr { padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
  .manifest td { padding: .25rem 0; border: 0; }
  .manifest td[data-label]::before { content: attr(data-label); display: block; font-family: var(--f-mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-top: .6rem; }

  .phase-cols { grid-template-columns: minmax(0, 1fr); gap: 1.4rem; }
  .flywheel-list li { grid-template-columns: minmax(0, 1fr); gap: .2rem; }

  .gauges { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem 1.2rem; }
  .gauge p { font-size: .88rem; }

  .crew-roles { grid-template-columns: minmax(0, 1fr); }
  .crew-roles li, .crew-roles li + li { padding: 1rem 0; border-left: 0; border-bottom: 1px solid var(--line); }

  .vmv-row { grid-template-columns: minmax(0, 1fr); gap: .6rem; padding: 1.8rem 0; }

  .facts { grid-template-columns: minmax(0, 1fr); }
  .facts > div:nth-child(even) { padding-left: 0; border-left: 0; }

  .lane { grid-template-columns: 2.6rem minmax(0, 1fr); gap: .3rem 1rem; }
  .lane span, .lane em { grid-column: 2; }

  .compose { grid-template-columns: minmax(0, 1fr); }
  .location dl > div { grid-template-columns: minmax(0, 1fr); gap: .2rem; }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    transition-duration: .001ms !important;
    transition-delay: 0s !important;
  }
  .blk { opacity: 1; animation: none !important; }
  .waypoint, .boat-wrap { opacity: 1; animation: none !important; }
}