/* ============================================================
   MANDARA BIOFUELS — Design System
   Light & institutional. Navy on white/cream. Strict palette.
   Type: Schibsted Grotesk (sans) + IBM Plex Mono (technical)
   ============================================================ */

:root {
  /* Brand core */
  --navy: #1D3461;
  --navy-deep: #142545;      /* deep sections / footer */
  --navy-700: #1A2F57;
  --mid-blue: #5785C4;       /* from logo gradient — sparing use */
  --cream: #EDE4DC;
  --cream-soft: #F5F0EA;     /* lighter cream wash */
  --white: #FFFFFF;
  --charcoal: #2D2D2D;       /* body copy */

  /* Neutrals / lines */
  --ink-60: #5A6478;
  --ink-45: #8A93A6;
  --line: #E4DED6;           /* warm hairline on light */
  --line-cool: #DCE2EC;      /* cool hairline */
  --line-navy: rgba(237,228,220,0.16); /* hairline on navy */

  /* Utility (DATA/STATUS ONLY) */
  --up: #1E7E45;
  --down: #B03030;

  /* Type */
  --sans: 'Schibsted Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* Layout */
  --maxw: 1280px;
  --gutter: clamp(20px, 5vw, 72px);
  --nav-h: 76px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  color: var(--charcoal);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv01";
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- Layout helpers ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(72px, 11vw, 156px); }
.section--tight { padding-block: clamp(56px, 8vw, 104px); }
.bg-cream { background: var(--cream); }
.bg-cream-soft { background: var(--cream-soft); }
.bg-navy { background: var(--navy); color: var(--cream); }
.bg-navy-deep { background: var(--navy-deep); color: var(--cream); }

/* ---------- Typography ---------- */
.display-xl, .display, h1, h2, h3 { color: var(--navy); font-weight: 700; letter-spacing: -0.02em; line-height: 1.04; }
.bg-navy .display-xl, .bg-navy .display, .bg-navy h1, .bg-navy h2, .bg-navy h3,
.bg-navy-deep .display-xl, .bg-navy-deep .display, .bg-navy-deep h1, .bg-navy-deep h2, .bg-navy-deep h3 { color: var(--white); }

.display-xl { font-size: clamp(44px, 6.6vw, 100px); }
.display    { font-size: clamp(38px, 5vw, 72px); }
h1          { font-size: clamp(34px, 4.4vw, 60px); }
h2          { font-size: clamp(28px, 3.4vw, 46px); line-height: 1.08; }
h3          { font-size: clamp(21px, 1.7vw, 27px); line-height: 1.18; letter-spacing: -0.015em; }

.lede { font-size: clamp(19px, 1.9vw, 24px); line-height: 1.5; color: var(--ink-60); font-weight: 400; }
.bg-navy .lede, .bg-navy-deep .lede { color: rgba(237,228,220,0.78); }
.measure { max-width: 62ch; }
.measure-sm { max-width: 46ch; }

p { margin: 0 0 1.1em; }
strong { font-weight: 600; }

/* Eyebrow / technical label */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mid-blue);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px; background: currentColor; opacity: 0.6;
}
.eyebrow.no-rule::before { display: none; }
.bg-navy .eyebrow, .bg-navy-deep .eyebrow { color: var(--mid-blue); }

.label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-45);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--sans); font-size: 15px; font-weight: 600; letter-spacing: 0.01em;
  padding: 15px 26px; border-radius: 2px; border: 1px solid transparent;
  cursor: pointer; transition: all .35s var(--ease); white-space: nowrap;
}
.btn .arw { transition: transform .35s var(--ease); }
.btn:hover .arw { transform: translateX(4px); }
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--navy-deep); }
.btn-ghost { background: transparent; color: var(--navy); border-color: rgba(29,52,97,0.28); }
.btn-ghost:hover { border-color: var(--navy); background: rgba(29,52,97,0.04); }
.bg-navy .btn-primary, .bg-navy-deep .btn-primary { background: var(--cream); color: var(--navy); }
.bg-navy .btn-primary:hover, .bg-navy-deep .btn-primary:hover { background: var(--white); }
.bg-navy .btn-ghost, .bg-navy-deep .btn-ghost { color: var(--cream); border-color: rgba(237,228,220,0.32); }
.bg-navy .btn-ghost:hover, .bg-navy-deep .btn-ghost:hover { border-color: var(--cream); background: rgba(237,228,220,0.06); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(1.2) blur(14px);
  -webkit-backdrop-filter: saturate(1.2) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .4s var(--ease), background .4s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 34px; width: auto; }
.brand__wm { display: flex; flex-direction: column; line-height: 1; }
.brand { flex-shrink: 0; }
.brand__name { font-family: var(--sans); font-weight: 700; font-size: 15px; letter-spacing: 0.16em; color: var(--navy); white-space: nowrap; }
.brand__sub { font-family: var(--mono); font-size: 9px; letter-spacing: 0.24em; color: var(--ink-45); margin-top: 4px; white-space: nowrap; }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a { font-size: 14.5px; font-weight: 500; color: var(--navy); position: relative; padding-block: 6px; }
.nav__links a::after {
  content:""; position:absolute; left:0; bottom:0; height:1px; width:0; background: var(--navy); transition: width .35s var(--ease);
}
.nav__links a:hover::after { width: 100%; }
.nav__cta { display: flex; align-items: center; gap: 18px; }
.nav__menu-btn { display: none; background: transparent; border: none; cursor: pointer; flex-direction: column; gap: 5px; width: 42px; height: 42px; align-items: center; justify-content: center; }
.nav__menu-btn span { width: 22px; height: 2px; background: var(--navy); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav__menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__menu-btn.open span:nth-child(2) { opacity: 0; }
.nav__menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav__drawer { position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 99; background: var(--white); border-bottom: 1px solid var(--line); padding: 10px var(--gutter) 24px; transform: translateY(-14px); opacity: 0; pointer-events: none; transition: transform .35s var(--ease), opacity .35s var(--ease); }
.nav__drawer.open { transform: none; opacity: 1; pointer-events: auto; }
.nav__drawer a { display: block; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 17px; font-weight: 500; color: var(--navy); }
.nav__drawer a:last-child { border-bottom: none; }

/* ---------- Ticker (premium) ---------- */
.ticker-wrap { background: var(--navy); border-block: 1px solid var(--line-navy); }
.ticker-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 11px var(--gutter); border-bottom: 1px solid var(--line-navy); flex-wrap: wrap; }
.ticker-bar__l, .ticker-bar__r { display: flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; }
.ticker-bar__l { color: var(--mid-blue); }
.ticker-bar__r { color: var(--ink-45); }
.ticker-bar .sep { width: 1px; height: 12px; background: var(--line-navy); }
.ticker-bar .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--up); box-shadow: 0 0 0 0 rgba(30,126,69,0.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(79,180,119,.5);} 70%{box-shadow:0 0 0 7px rgba(79,180,119,0);} 100%{box-shadow:0 0 0 0 rgba(79,180,119,0);} }
.ticker { overflow: hidden; position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); }
.ticker__track { display: flex; width: max-content; }
@media (prefers-reduced-motion: no-preference) { .ticker__track { animation: scroll-x 90s linear infinite; } }
.ticker:hover .ticker__track { animation-play-state: paused; }
@keyframes scroll-x { from { transform: translateX(0);} to { transform: translateX(-50%);} }
.tick { display: flex; align-items: center; gap: 18px; padding: 15px 28px; border-right: 1px solid var(--line-navy); white-space: nowrap; }
.tick__id { display: flex; flex-direction: column; gap: 3px; }
.tick__name { font-family: var(--sans); font-weight: 600; font-size: 14px; color: var(--cream); letter-spacing: 0.01em; }
.tick__unit { font-family: var(--mono); font-size: 9.5px; color: var(--ink-45); letter-spacing: 0.06em; }
.spark { width: 56px; height: 22px; flex-shrink: 0; display: block; }
.tick__val { display: flex; flex-direction: column; gap: 3px; align-items: flex-end; }
.tick__price { font-family: var(--mono); font-size: 14px; color: var(--white); font-weight: 500; }
.tick__delta { font-family: var(--mono); font-size: 11px; font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
.tick__delta.up { color: #4FB477; }
.tick__delta.down { color: #E0736B; }
.ticker__note { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.04em; color: var(--ink-45); text-align: center; padding: 10px var(--gutter); background: var(--navy-deep); }

/* ---------- Reveal animation ----------
   Visible is the RESTING state. Hiding only applies when JS adds html.js,
   and reveals are switched on synchronously (never via rAF/timeline).
   So print/PDF/no-JS/frozen-timeline harnesses all show content. */
.reveal { transition: opacity .9s var(--ease), transform .9s var(--ease); }
html.js .reveal { opacity: 0; transform: translateY(26px); }
html.js .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  .ticker__track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Misc components ---------- */
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }
.bg-navy .rule, .bg-navy-deep .rule { background: var(--line-navy); }

.kicker-num { font-family: var(--mono); font-size: 12px; color: var(--mid-blue); letter-spacing: 0.1em; }

.card {
  background: var(--white); border: 1px solid var(--line); padding: 38px 34px;
  transition: border-color .4s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
}
.card:hover { border-color: rgba(29,52,97,0.32); transform: translateY(-4px); box-shadow: 0 24px 50px -30px rgba(20,37,69,0.4); }

.stat__num { font-family: var(--sans); font-weight: 700; color: var(--navy); font-size: clamp(40px, 5vw, 68px); letter-spacing: -0.03em; line-height: 1; }
.bg-navy .stat__num, .bg-navy-deep .stat__num { color: var(--white); }
.stat__label { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-45); margin-top: 14px; }

/* Image placeholder (drop-zone) */
.imgph {
  position: relative; background:
    repeating-linear-gradient(135deg, var(--cream-soft) 0 14px, var(--cream) 14px 28px);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.imgph::after {
  content: attr(data-label);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-45); padding: 8px 14px; background: rgba(255,255,255,0.7); border: 1px solid var(--line);
}
.imgph.on-navy { background: repeating-linear-gradient(135deg, rgba(255,255,255,0.04) 0 14px, rgba(255,255,255,0.015) 14px 28px); border-color: var(--line-navy); }
.imgph.on-navy::after { color: var(--ink-45); background: rgba(20,37,69,0.6); border-color: var(--line-navy); }

/* Footer */
.footer { background: var(--navy-deep); color: var(--cream); padding-block: clamp(64px, 8vw, 100px) 40px; }
.footer a { color: rgba(237,228,220,0.66); transition: color .3s; font-size: 15px; }
.footer a:hover { color: var(--cream); }
.footer__col h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--mid-blue); margin: 0 0 22px; font-weight: 500; }
.footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.footer__col ul a { white-space: nowrap; }

/* Responsive */
@media (min-width: 1001px) { .nav__drawer { display: none; } }
@media (max-width: 1000px) {
  .nav__links { display: none; }
  .nav__menu-btn { display: flex; }
  .nav__cta .btn-primary { padding: 12px 18px; font-size: 14px; }
}
@media (max-width: 560px) {
  .brand__sub { display: none; }
  .nav__cta .btn-primary span.arw { display: none; }
}