/* AMET CEII — holistic site styles
   Light, minimalist, ink-on-paper. Accents (indigo + amber) are pulled
   from the real CEII crest. Fonts: Newsreader (headings),
   Hanken Grotesk (text), IBM Plex Mono (labels). Class names match the
   dark maritime build so both versions share the same markup. */

:root {
  /* surfaces (light) */
  --abyss:  #EFEDE6;
  --deep:   #FBFAF8;   /* page background */
  --sea:    #FFFFFF;   /* raised surface */
  --hull:   #F5F3EE;
  --shoal:  #ECEAE2;

  /* ink */
  --foam:   #17171C;   /* primary text */
  --mist:   #4C4C57;   /* secondary text */
  --haze:   #8A8A93;   /* captions */
  --line:       rgba(20,20,30,.10);
  --line-strong:rgba(20,20,30,.17);

  /* accents */
  --biolum:     #4838D1;   /* indigo — primary */
  --biolum-deep:#3627AD;
  --signal:     #7A5CF0;   /* violet */
  --brass:      #C2601F;   /* amber/rust — warm accent (dark enough for light bg) */
  --brass-deep: #9E4C13;
  --coral:      #D93A2B;

  --grad-biolum: linear-gradient(120deg, #4838D1 0%, #7A5CF0 100%);
  --grad-brass:  linear-gradient(120deg, #E8703A 0%, #C2601F 100%);
  --grad-deep:   linear-gradient(180deg, #FBFAF8 0%, #F3F1EA 100%);
  --glow-biolum: 0 10px 30px -12px rgba(72,56,209,.45);

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans:  "Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 18px;
  --radius-sm: 11px;

  --shadow-1: 0 1px 2px rgba(20,20,30,.05);
  --shadow-2: 0 22px 50px -30px rgba(20,20,30,.30);
  --shadow-3: 0 40px 80px -44px rgba(20,20,30,.40);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--foam);
  background: var(--deep);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* ---- Atmosphere: soft light wash + faint dot grid (no marine texture) ---- */
.atmosphere {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 560px at 82% -6%, rgba(72,56,209,.07), transparent 60%),
    radial-gradient(760px 520px at 6% 8%, rgba(232,112,58,.06), transparent 55%),
    var(--grad-deep);
}
.atmosphere::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(20,20,30,.05) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(1200px 800px at 50% 0%, #000, transparent 78%);
  mask-image: radial-gradient(1200px 800px at 50% 0%, #000, transparent 78%);
  opacity: .55;
}
.grain { display: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.04; letter-spacing: -.02em; color: var(--foam); }
h1 { font-size: clamp(2.7rem, 6.6vw, 5.2rem); }
h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h3 { font-size: clamp(1.35rem, 2.4vw, 1.85rem); }
em, .italic { font-style: italic; }
.display-accent { color: var(--brass); font-style: italic; }

p { color: var(--mist); }
a { color: var(--foam); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--biolum); }

.eyebrow {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .26em;
  text-transform: uppercase; color: var(--biolum);
  display: inline-flex; align-items: center; gap: .7em;
}
.eyebrow::before { content: ""; width: 26px; height: 1.5px; background: var(--biolum); opacity: .6; }
.eyebrow.no-rule::before { display: none; }

.coord { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; color: var(--haze); }
.lede { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.55; color: var(--mist); max-width: 60ch; }

/* ---- Layout ---- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-wide { max-width: 1360px; margin-inline: auto; padding-inline: var(--gutter); }
section { padding-block: clamp(60px, 9vw, 128px); position: relative; }
.section-head { max-width: 64ch; margin-bottom: clamp(34px, 6vw, 60px); }
.section-head h2 { margin-top: 16px; }
.section-head p { margin-top: 16px; }

.grid { display: grid; gap: clamp(16px, 2.2vw, 28px); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .cols-3, .cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; } }

.rule { height: 1px; background: var(--line); border: 0; }
.horizon { height: 1px; border: 0; background: linear-gradient(90deg, transparent, var(--line-strong) 20%, var(--line-strong) 80%, transparent); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--sans); font-weight: 600; font-size: .95rem;
  padding: .82em 1.5em; border-radius: 100px; border: 1px solid transparent; cursor: pointer;
  transition: transform .18s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--grad-biolum); color: #fff; box-shadow: 0 12px 26px -12px rgba(72,56,209,.55); }
.btn-primary:hover { color: #fff; box-shadow: 0 16px 34px -12px rgba(72,56,209,.7); transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--foam); border-color: var(--line-strong); box-shadow: var(--shadow-1); }
.btn-ghost:hover { color: var(--biolum); border-color: var(--biolum); }
.btn-brass { background: var(--grad-brass); color: #fff; box-shadow: 0 12px 26px -12px rgba(194,96,31,.5); }
.btn-brass:hover { color: #fff; transform: translateY(-2px); }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---- Header / nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px) saturate(150%); -webkit-backdrop-filter: blur(14px) saturate(150%);
  background: rgba(251,250,248,.82);
  border-bottom: 1px solid var(--line);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled { background: rgba(251,250,248,.95); box-shadow: 0 1px 0 var(--line), 0 10px 30px -24px rgba(20,20,30,.4); }
.nav { display: flex; align-items: center; gap: 26px; height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand .mark {
  width: 42px; height: 42px; flex: none; display: grid; place-items: center;
  border-radius: 11px; padding: 3px; background: #fff; border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-1);
}
.brand .mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.brand .word b { font-family: var(--serif); font-weight: 500; font-size: 1.12rem; letter-spacing: -.01em; display: block; color: var(--foam); }
.brand .word span { font-family: var(--mono); font-size: .58rem; letter-spacing: .2em; text-transform: uppercase; color: var(--haze); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { font-size: .92rem; color: var(--mist); font-weight: 500; position: relative; padding: 4px 0; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -3px; height: 1.5px; width: 0; background: var(--biolum); transition: width .25s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--foam); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; }

@media (max-width: 1040px) {
  .nav-links, .nav-cta .ghost-hide { display: none; }
  .nav-toggle { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; border: 1px solid var(--line-strong); background: #fff; cursor: pointer; }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; display: block; width: 18px; height: 1.8px; background: var(--foam); position: relative; transition: transform .25s ease, opacity .2s ease; }
  .nav-toggle span::before { position: absolute; top: -6px; }
  .nav-toggle span::after  { position: absolute; top: 6px; }
  body.menu-open .nav-toggle span { background: transparent; }
  body.menu-open .nav-toggle span::before { transform: rotate(45deg) translate(4px, 4px); }
  body.menu-open .nav-toggle span::after  { transform: rotate(-45deg) translate(4px, -4px); }
}

.mobile-menu {
  position: fixed; inset: 70px 0 0 0; z-index: 99; background: rgba(251,250,248,.98);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  padding: 32px var(--gutter) 48px; display: flex; flex-direction: column; gap: 4px;
  transform: translateY(-8px); opacity: 0; visibility: hidden;
  transition: opacity .25s ease, transform .25s ease, visibility .25s; overflow-y: auto;
}
body.menu-open .mobile-menu { opacity: 1; visibility: visible; transform: none; }
.mobile-menu a { font-family: var(--serif); font-size: 1.7rem; color: var(--mist); padding: 12px 0; border-bottom: 1px solid var(--line); }
.mobile-menu a:hover, .mobile-menu a[aria-current="page"] { color: var(--biolum); }
.mobile-menu .btn { margin-top: 24px; justify-content: center; }

/* ---- Cards ---- */
.card {
  background: var(--sea); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(22px, 3vw, 32px); position: relative;
  transition: transform .3s cubic-bezier(.2,.7,.2,1), border-color .3s ease, box-shadow .3s ease;
  overflow: hidden; box-shadow: var(--shadow-1);
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow-2); }
.card .idx { font-family: var(--mono); font-size: .72rem; color: var(--haze); letter-spacing: .12em; }
.card h3 { margin: 14px 0 10px; }
.card p { font-size: .96rem; }
.card-lit::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad-biolum); transform: scaleX(0); transform-origin: left; transition: transform .35s ease; }
.card-lit:hover::before { transform: scaleX(1); }

.panel { background: var(--sea); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-1); }

/* ---- Stat / metric ---- */
.stat .num { font-family: var(--serif); font-size: clamp(2.6rem, 5vw, 4rem); line-height: 1; color: var(--foam); letter-spacing: -.03em; display: flex; align-items: baseline; gap: .1em; }
.stat .num .suf { color: var(--biolum); font-size: .5em; }
.stat .label { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--haze); margin-top: 10px; }
.stat .sub { font-size: .9rem; color: var(--mist); margin-top: 6px; }

/* ---- Badges / pills / tags ---- */
.pill { display: inline-flex; align-items: center; gap: .5em; font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; padding: .45em .85em; border-radius: 100px; border: 1px solid var(--line-strong); color: var(--mist); background: #fff; }
.pill.biolum { color: var(--biolum); border-color: rgba(72,56,209,.35); background: rgba(72,56,209,.06); }
.pill.brass  { color: var(--brass);  border-color: rgba(194,96,31,.35); background: rgba(194,96,31,.06); }
.tag { font-size: .8rem; color: var(--haze); }

.sample-flag { display: inline-flex; align-items: center; gap: .5em; font-family: var(--mono); font-size: .64rem; letter-spacing: .08em; text-transform: uppercase; color: var(--brass); border: 1px dashed rgba(194,96,31,.45); padding: .35em .7em; border-radius: 6px; background: rgba(194,96,31,.05); }
.sample-banner { font-family: var(--mono); font-size: .78rem; color: var(--brass); border: 1px dashed rgba(194,96,31,.4); background: rgba(194,96,31,.05); border-radius: 10px; padding: 12px 16px; margin-bottom: 32px; display: flex; align-items: center; gap: 10px; line-height: 1.5; }

/* ---- Page hero (inner pages) ---- */
.page-hero { padding-block: clamp(70px, 11vw, 128px) clamp(28px, 5vw, 52px); }
.page-hero h1 { margin: 18px 0 22px; max-width: 20ch; }
.breadcrumb { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; color: var(--haze); text-transform: uppercase; }
.breadcrumb a { color: var(--haze); }
.breadcrumb a:hover { color: var(--biolum); }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--line); background: var(--hull); margin-top: 40px; padding-block: clamp(56px, 8vw, 92px) 40px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
@media (max-width: 860px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand .word b { font-family: var(--serif); font-size: 1.5rem; display: block; }
.footer-brand p { margin-top: 16px; max-width: 34ch; font-size: .95rem; }
.footer-col h4 { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--haze); font-weight: 400; margin-bottom: 16px; }
.footer-col a { display: block; color: var(--mist); font-size: .95rem; padding: 5px 0; }
.footer-col a:hover { color: var(--biolum); }
.footer-bottom { margin-top: 52px; padding-top: 26px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.footer-bottom .coord { color: var(--haze); }
.social { display: flex; gap: 10px; }
.social a { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; border: 1px solid var(--line-strong); color: var(--mist); background: #fff; transition: all .2s ease; }
.social a:hover { color: var(--biolum); border-color: var(--biolum); transform: translateY(-2px); }
.social svg { width: 17px; height: 17px; }

/* ---- Timeline ---- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 2px; background: var(--line-strong); }
.timeline .node { position: relative; padding-bottom: 40px; }
.timeline .node::before { content: ""; position: absolute; left: -30px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 2px solid var(--biolum); box-shadow: 0 0 0 4px rgba(72,56,209,.1); }
.timeline .node .when { font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; color: var(--biolum); }

/* ---- Forms ---- */
.field { margin-bottom: 22px; }
.field label { display: block; font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--mist); margin-bottom: 9px; }
.field label .req { color: var(--biolum); }
.field input, .field select, .field textarea { width: 100%; font-family: var(--sans); font-size: 1rem; color: var(--foam); background: #fff; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: 13px 15px; transition: border-color .2s ease, box-shadow .2s ease; }
.field textarea { min-height: 130px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--haze); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--biolum); box-shadow: 0 0 0 3px rgba(72,56,209,.14); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%234838D1' stroke-width='1.6'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; padding-right: 40px; }

/* ---- Helpers ---- */
.text-biolum { color: var(--biolum); }
.text-brass { color: var(--brass); }
.text-mist { color: var(--mist); }
.mono { font-family: var(--mono); }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.mt-s { margin-top: 14px; } .mt-m { margin-top: 26px; } .mt-l { margin-top: 44px; }
.flex { display: flex; } .items-center { align-items: center; } .gap-s { gap: 12px; } .gap-m { gap: 20px; } .wrap-flex { flex-wrap: wrap; }

/* ---- Scroll reveal (motion enrichment; static state fully visible) ---- */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
  [data-reveal].in { opacity: 1; transform: none; }
  [data-reveal-stagger] > * { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
  [data-reveal-stagger].in > * { opacity: 1; transform: none; }
  [data-reveal-stagger].in > *:nth-child(1) { transition-delay: .04s; }
  [data-reveal-stagger].in > *:nth-child(2) { transition-delay: .1s; }
  [data-reveal-stagger].in > *:nth-child(3) { transition-delay: .16s; }
  [data-reveal-stagger].in > *:nth-child(4) { transition-delay: .22s; }
  [data-reveal-stagger].in > *:nth-child(5) { transition-delay: .28s; }
  [data-reveal-stagger].in > *:nth-child(6) { transition-delay: .34s; }
}

@media print {
  .atmosphere, .site-header, .site-footer, .nav-toggle, .mobile-menu { display: none !important; }
  body { background: #fff; color: #000; }
}

/* ── SYED-CONCEPT · "Harbour Deeper" — the page descends ── */
.atmosphere::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 30%, rgba(2, 6, 14, .9));
  opacity: calc(var(--depth, 0) * .5);
  transition: opacity .25s linear;
}
.depth-gauge {
  position: fixed; left: 16px; bottom: 16px; z-index: 40; pointer-events: none;
  font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 10.5px;
  letter-spacing: .16em; color: var(--biolum, #2DD4BF); opacity: .5;
}
@media (max-width: 720px), print { .depth-gauge { display: none; } }
@media (prefers-reduced-motion: no-preference) {
  .atmosphere::before { animation: harbour-drift 90s linear infinite; }
  @keyframes harbour-drift { to { background-position: 260px 0; } }
}

/* Small phones: the spaced tagline pushed Apply + menu off-screen at 360px */
@media (max-width: 400px) {
  .brand { gap: 9px; min-width: 0; }
  .brand .word span { letter-spacing: .1em; font-size: .52rem; }
  .nav-cta { gap: 8px; }
  .nav-toggle { flex: none; }
}