/* =============================================================
   ASPHALT TECH PRO — Premium Engineering Site
   Design system: "Industrial Structuralism" — asphalt black,
   safety amber, steel grey. Clash Display + Plus Jakarta + mono.
   ============================================================= */

/* ---------- TOKENS ---------- */
:root {
  /* surfaces */
  --ink:      #0A0B0D;   /* asphalt black */
  --ink-2:    #101216;   /* charcoal */
  --ink-3:    #181B21;   /* raised charcoal */
  --ink-4:    #22262E;   /* hairline-on-dark base */
  --paper:    #F6F5F1;   /* warm off-white */
  --paper-2:  #ECEAE3;   /* recessed paper */
  --paper-3:  #E2DFD6;
  --white:    #FFFFFF;

  /* brand */
  --amber:    #F4B400;   /* safety amber (logo) */
  --amber-2:  #FFC724;   /* lighter */
  --amber-3:  #D89A00;   /* deep / hover */
  --green:    #76C043;   /* sustainability accent */
  --green-2:  #4E9A2E;

  /* text */
  --t-hi:     #0C0D10;   /* near-black text on light */
  --t-mid:    #41454D;
  --t-low:    #6C7079;
  --t-on-dark:#F4F4F2;
  --t-on-dark-mid:#A9AEB6;
  --t-on-dark-low:#6E747E;

  /* lines */
  --line:        rgba(12,13,16,.10);
  --line-soft:   rgba(12,13,16,.06);
  --line-dark:   rgba(255,255,255,.10);
  --line-dark-soft: rgba(255,255,255,.06);

  /* radii */
  --r-xl: 30px;
  --r-lg: 22px;
  --r-md: 16px;
  --r-sm: 12px;
  --r-pill: 999px;

  /* shadows (soft, diffused — no harsh black) */
  --sh-sm: 0 1px 2px rgba(16,18,22,.04), 0 4px 12px rgba(16,18,22,.05);
  --sh-md: 0 2px 6px rgba(16,18,22,.05), 0 18px 40px -18px rgba(16,18,22,.20);
  --sh-lg: 0 4px 10px rgba(16,18,22,.06), 0 40px 80px -30px rgba(16,18,22,.34);
  --sh-amber: 0 18px 50px -16px rgba(244,180,0,.55);

  /* motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-2: cubic-bezier(0.32, 0.72, 0, 1);

  /* type — Helvetica across the board */
  --f-display: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-mono: "Helvetica Neue", Helvetica, Arial, sans-serif;

  --container: 1240px;
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition-duration: .01ms !important; }
}
body {
  font-family: var(--f-body);
  background: var(--paper);
  color: var(--t-hi);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
::selection { background: var(--amber); color: var(--ink); }

/* film-grain / noise overlay (fixed, non-interactive) */
.grain {
  position: fixed; inset: 0; z-index: 4; pointer-events: none;
  opacity: .04; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 700; line-height: 1.05; letter-spacing: -.01em; word-spacing: normal; }
.h-xxl { font-size: clamp(2.7rem, 6.6vw, 5.4rem); font-weight: 600; }
.h-xl  { font-size: clamp(2.2rem, 4.6vw, 3.7rem); }
.h-lg  { font-size: clamp(1.7rem, 3vw, 2.6rem); }
.h-md  { font-size: clamp(1.3rem, 2vw, 1.7rem); }
p { color: var(--t-mid); }
.lead { font-size: clamp(1.05rem, 1.4vw, 1.28rem); color: var(--t-mid); line-height: 1.62; }

.mono { font-family: var(--f-mono); }

/* eyebrow tag */
.eyebrow {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--f-mono);
  font-size: 10.5px; font-weight: 500;
  text-transform: uppercase; letter-spacing: .26em;
  color: var(--t-low);
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(255,255,255,.5);
  backdrop-filter: blur(4px);
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--amber); box-shadow: 0 0 0 4px rgba(244,180,0,.18);
}
.on-dark .eyebrow, .sec-dark .eyebrow {
  color: var(--t-on-dark-mid); border-color: var(--line-dark);
  background: rgba(255,255,255,.04);
}

.amber-text { color: var(--amber-3); }
.sec-dark .amber-text { color: var(--amber); }

/* ---------- LAYOUT ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 28px; }
.section { padding-block: clamp(72px, 11vw, 140px); position: relative; }
.section-tight { padding-block: clamp(56px, 8vw, 96px); }
.sec-dark { background: var(--ink); color: var(--t-on-dark); }
.sec-dark h1, .sec-dark h2, .sec-dark h3, .sec-dark h4 { color: var(--white); }
.sec-dark p { color: var(--t-on-dark-mid); }
.sec-paper-2 { background: var(--paper-2); }

.sec-head { max-width: 760px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head .eyebrow { margin-bottom: 22px; }
.sec-head p { margin-top: 20px; }

.grid { display: grid; gap: 22px; }

/* blueprint grid background */
.blueprint {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(var(--line-dark-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
          mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
}
.blueprint.light {
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 13px 14px 13px 24px;
  border-radius: var(--r-pill);
  font-weight: 600; font-size: .95rem; letter-spacing: -.01em;
  transition: transform .5s var(--ease), background-color .4s var(--ease), box-shadow .5s var(--ease), color .4s var(--ease);
  will-change: transform;
}
.btn:active { transform: scale(.975); }
.btn-ic {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; flex-shrink: 0;
  transition: transform .5s var(--ease), background-color .4s var(--ease);
}
.btn-ic svg { width: 15px; height: 15px; }
.btn:hover .btn-ic { transform: translate(3px, -3px) rotate(0deg); }

.btn-primary { background: var(--amber); color: var(--ink); box-shadow: 0 10px 30px -10px rgba(244,180,0,.6); }
.btn-primary:hover { background: var(--amber-2); box-shadow: var(--sh-amber); }
.btn-primary .btn-ic { background: rgba(10,11,13,.12); }

.btn-ink { background: var(--ink); color: var(--white); }
.btn-ink:hover { background: var(--ink-3); }
.btn-ink .btn-ic { background: rgba(255,255,255,.12); }

.btn-ghost { background: rgba(255,255,255,.04); color: var(--white); border: 1px solid var(--line-dark); padding: 13px 24px; }
.btn-ghost:hover { background: rgba(255,255,255,.09); }

.btn-line { padding: 13px 22px; border: 1px solid var(--line); color: var(--t-hi); border-radius: var(--r-pill); font-weight: 600; transition: background-color .4s var(--ease), border-color .4s var(--ease); }
.btn-line:hover { background: var(--white); border-color: var(--t-hi); }

.text-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--t-hi); transition: gap .4s var(--ease), color .3s; }
.text-link svg { width: 16px; height: 16px; transition: transform .4s var(--ease); }
.text-link:hover { color: var(--amber-3); }
.text-link:hover svg { transform: translateX(4px); }
.sec-dark .text-link { color: var(--white); }
.sec-dark .text-link:hover { color: var(--amber); }

/* anchored sections clear the fixed nav */
section[id], [id].anchor { scroll-margin-top: 104px; }

/* ---------- NAV ---------- */
.nav-wrap { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; justify-content: center; padding: 18px 16px; transition: padding .5s var(--ease); }
.nav {
  width: 100%; max-width: 1180px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; padding: 9px 9px 9px 18px;
  background: rgba(246,245,241,.72);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border: 1px solid rgba(255,255,255,.6);
  box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, var(--sh-md);
  border-radius: var(--r-pill);
  transition: background-color .5s var(--ease), box-shadow .5s var(--ease), transform .5s var(--ease);
}
.nav-wrap.scrolled { padding-top: 12px; }
.nav-wrap.scrolled .nav { background: rgba(246,245,241,.85); box-shadow: var(--sh-lg); }
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 38px; height: 38px; border-radius: 10px; background: #fff; }
.brand b { font-family: var(--f-display); font-weight: 600; font-size: 1.04rem; letter-spacing: -.01em; }
.brand span { color: var(--amber-3); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > a, .nav-trigger {
  font-size: .875rem; font-weight: 500; color: var(--t-mid);
  padding: 9px 12px; border-radius: var(--r-pill); white-space: nowrap;
  transition: color .3s, background-color .3s;
}
.nav-links > a:hover, .nav-trigger:hover { color: var(--t-hi); background: rgba(12,13,16,.05); }
.nav-links > a.on, .nav-trigger.on { color: var(--t-hi); background: rgba(12,13,16,.06); }
.nav-links > a.on::after { content: ""; display: block; width: 5px; height: 5px; border-radius: 50%; background: var(--amber); margin: 3px auto -1px; }

/* dropdown ("What We Do") */
.nav-item { position: relative; display: flex; }
.nav-trigger { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; }
.nav-trigger.on { position: relative; }
.nav-trigger .chev { width: 13px; height: 13px; transition: transform .35s var(--ease); }
.nav-item:hover .nav-trigger .chev, .nav-item:focus-within .nav-trigger .chev { transform: rotate(180deg); }
.dropdown {
  position: absolute; top: calc(100% + 12px); left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 326px; padding: 8px;
  background: rgba(246,245,241,.93);
  backdrop-filter: blur(20px) saturate(1.4); -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(255,255,255,.6); box-shadow: var(--sh-lg);
  border-radius: var(--r-lg);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .35s var(--ease), transform .35s var(--ease); z-index: 120;
}
.dropdown::before { content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px; }
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.dropdown a { display: block; padding: 11px 14px; border-radius: var(--r-sm); transition: background-color .25s; }
.dropdown a:hover { background: rgba(12,13,16,.05); }
.dropdown a.on { background: rgba(244,180,0,.12); }
.dropdown a b { display: block; font-size: .92rem; color: var(--t-hi); font-weight: 600; }
.dropdown a span { display: block; font-size: .76rem; color: var(--t-low); margin-top: 2px; }
.nav-cta { display: flex; align-items: center; gap: 8px; }
.nav-burger { display: none; width: 44px; height: 44px; border-radius: 50%; background: var(--ink); position: relative; flex-shrink: 0; }
.nav-burger span { position: absolute; left: 13px; width: 18px; height: 1.6px; background: #fff; border-radius: 2px; transition: transform .5s var(--ease), opacity .3s var(--ease); }
.nav-burger span:nth-child(1) { top: 18px; }
.nav-burger span:nth-child(2) { top: 24px; }
body.menu-open .nav-burger span:nth-child(1) { transform: translateY(3px) rotate(45deg); top: 21px; }
body.menu-open .nav-burger span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); top: 21px; }

/* mobile overlay */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: rgba(10,11,13,.86);
  backdrop-filter: blur(26px); -webkit-backdrop-filter: blur(26px);
  display: flex; flex-direction: column; justify-content: center; gap: 6px;
  padding: 100px 32px 40px;
  opacity: 0; visibility: hidden;
  transition: opacity .5s var(--ease), visibility .5s var(--ease);
}
body.menu-open .mobile-menu { opacity: 1; visibility: visible; }
.mobile-menu a {
  font-family: var(--f-display); font-size: clamp(1.8rem, 8vw, 2.6rem); color: #fff;
  padding: 8px 0; border-bottom: 1px solid var(--line-dark-soft);
  opacity: 0; transform: translateY(28px); filter: blur(6px);
  transition: opacity .6s var(--ease), transform .6s var(--ease), filter .6s var(--ease);
}
body.menu-open .mobile-menu a { opacity: 1; transform: none; filter: none; }
body.menu-open .mobile-menu a:nth-child(1){ transition-delay:.08s }
body.menu-open .mobile-menu a:nth-child(2){ transition-delay:.13s }
body.menu-open .mobile-menu a:nth-child(3){ transition-delay:.18s }
body.menu-open .mobile-menu a:nth-child(4){ transition-delay:.23s }
body.menu-open .mobile-menu a:nth-child(5){ transition-delay:.28s }
body.menu-open .mobile-menu a:nth-child(6){ transition-delay:.33s }
body.menu-open .mobile-menu a:nth-child(7){ transition-delay:.38s }
.mobile-menu .btn { margin-top: 24px; align-self: flex-start; opacity: 0; transform: translateY(28px); transition: opacity .6s var(--ease) .42s, transform .6s var(--ease) .42s; }
body.menu-open .mobile-menu .btn { opacity: 1; transform: none; }

/* ---------- DOUBLE-BEZEL CARD ---------- */
.bezel { background: rgba(12,13,16,.04); border: 1px solid var(--line-soft); border-radius: var(--r-xl); padding: 7px; transition: transform .6s var(--ease), box-shadow .6s var(--ease); }
.bezel > .core { background: var(--white); border-radius: calc(var(--r-xl) - 7px); box-shadow: inset 0 1px 1px rgba(255,255,255,.7), var(--sh-sm); overflow: hidden; height: 100%; }
.sec-dark .bezel { background: rgba(255,255,255,.04); border-color: var(--line-dark-soft); }
.sec-dark .bezel > .core { background: var(--ink-2); box-shadow: inset 0 1px 1px rgba(255,255,255,.05); }

/* ---------- HERO ---------- */
.hero { position: relative; background: var(--ink); color: var(--t-on-dark); padding-top: 150px; padding-bottom: 60px; overflow: hidden; min-height: 100dvh; display: flex; flex-direction: column; }
.hero-glow { position: absolute; z-index: 0; filter: blur(70px); border-radius: 50%; opacity: .5; pointer-events: none; }
.hero-glow.a { width: 620px; height: 620px; background: radial-gradient(circle, rgba(244,180,0,.42), transparent 65%); top: -180px; right: -120px; }
.hero-glow.b { width: 520px; height: 520px; background: radial-gradient(circle, rgba(118,192,67,.18), transparent 65%); bottom: -160px; left: -120px; }
.hero .container { position: relative; z-index: 2; flex: 1; display: flex; flex-direction: column; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 52px; align-items: center; flex: 1; }
.hero h1 { color: #fff; margin-top: 26px; }
.hero h1 em { font-style: normal; color: var(--amber); position: relative; }
.hero-sub { margin-top: 26px; max-width: 520px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-media { position: relative; }
.hero-media .frame { border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--sh-lg); border: 1px solid var(--line-dark); }
.hero-media .frame img { width: 100%; height: 480px; object-fit: cover; }
.hero-badge {
  position: absolute; left: -22px; bottom: 28px;
  background: rgba(16,18,22,.7); backdrop-filter: blur(14px);
  border: 1px solid var(--line-dark); border-radius: var(--r-md);
  padding: 16px 20px; display: flex; align-items: center; gap: 14px;
  box-shadow: var(--sh-lg);
}
.hero-badge .award { width: 42px; height: 42px; border-radius: 11px; background: var(--amber); color: var(--ink); display: grid; place-items: center; }
.hero-badge .award svg { width: 22px; height: 22px; }
.hero-badge b { display: block; color: #fff; font-family: var(--f-display); font-size: 1.05rem; }
.hero-badge span { font-size: .76rem; color: var(--t-on-dark-mid); font-family: var(--f-mono); letter-spacing: .04em; }

/* hero trust strip */
.trust { margin-top: 46px; padding-top: 30px; border-top: 1px solid var(--line-dark-soft); display: flex; flex-wrap: wrap; align-items: center; gap: 14px 34px; }
.trust .lbl { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--t-on-dark-low); }
.trust ul { display: flex; flex-wrap: wrap; gap: 12px 30px; }
.trust li { font-weight: 600; color: var(--t-on-dark-mid); font-size: .92rem; display: flex; align-items: center; gap: 9px; }
.trust li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--amber); }

/* ---------- PAGE HERO (subpages) ---------- */
.page-hero { position: relative; background: var(--ink); color: var(--t-on-dark); padding: 152px 0 70px; overflow: hidden; }
.page-hero .hero-glow.a { width: 520px; height: 520px; top: -200px; right: -140px; opacity: .42; }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; margin-top: 18px; max-width: 16ch; }
.page-hero .lead { margin-top: 20px; max-width: 680px; }
.breadcrumb { display: flex; align-items: center; gap: 9px; font-family: var(--f-mono); font-size: 11px; letter-spacing: .04em; color: var(--t-on-dark-low); margin-top: 26px; }
.breadcrumb a { color: var(--t-on-dark-mid); transition: color .3s; }
.breadcrumb a:hover { color: var(--amber); }
.breadcrumb .sep { opacity: .5; }
.page-hero .ph-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* ---------- CEO FEATURE (about) ---------- */
.ceo { display: grid; grid-template-columns: .82fr 1.18fr; gap: 48px; align-items: stretch; }
.ceo-portrait .core { position: relative; min-height: 460px; display: grid; place-items: center; background: linear-gradient(160deg, #15181E, #0A0B0D); overflow: hidden; }
.ceo-portrait .mono-mark { position: absolute; font-family: var(--f-display); font-size: 12rem; color: rgba(255,255,255,.045); line-height: 1; }
.ceo-portrait .ring { width: 128px; height: 128px; border-radius: 50%; border: 1.5px solid var(--amber); display: grid; place-items: center; font-family: var(--f-display); font-size: 2.7rem; color: var(--amber); position: relative; z-index: 2; }
.ceo-photo { width: 188px; height: 188px; border-radius: 50%; object-fit: cover; object-position: center 22%; border: 2px solid var(--amber); box-shadow: 0 18px 46px -14px rgba(0,0,0,.7); position: relative; z-index: 2; }
.lead-photo { width: 108px; height: 108px; border-radius: 50%; object-fit: cover; object-position: center 22%; border: 2px solid var(--amber); display: block; margin: 0 auto 18px; position: relative; z-index: 2; }
.ceo-portrait .pcap { position: absolute; left: 26px; right: 26px; bottom: 24px; z-index: 2; }
.ceo-portrait .pcap b { font-family: var(--f-display); color: #fff; font-size: 1.3rem; display: block; }
.ceo-portrait .pcap span { font-family: var(--f-mono); font-size: .8rem; color: var(--amber); letter-spacing: .03em; }
.ceo-copy .eyebrow { margin-bottom: 18px; }
.ceo-quote { font-family: var(--f-display); font-size: clamp(1.4rem, 2.4vw, 2.1rem); line-height: 1.3; color: var(--t-hi); font-weight: 500; letter-spacing: -.01em; margin: 10px 0 20px; }
.ceo-quote span { color: var(--amber-3); }
.ceo-copy.on-dark .ceo-quote { color: #fff; } .ceo-copy.on-dark .ceo-quote span { color: var(--amber); }

/* ---------- TIMELINE ---------- */
.timeline { margin-top: 8px; }
.tl { display: grid; grid-template-columns: 132px 1fr; gap: 26px; padding: 22px 0; border-top: 1px solid var(--line); }
.tl:last-child { border-bottom: 1px solid var(--line); }
.tl .yr { font-family: var(--f-display); font-size: 1.15rem; color: var(--amber-3); white-space: nowrap; }
.tl b { display: block; color: var(--t-hi); font-weight: 600; }
.tl p { font-size: .92rem; margin-top: 4px; }
.sec-dark .tl { border-color: var(--line-dark-soft); }
.sec-dark .tl:last-child { border-color: var(--line-dark-soft); }
.sec-dark .tl b { color: #fff; }

/* ---------- EXPERTISE / FEATURE GRID ---------- */
.exp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.exp { padding: 26px; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--white); box-shadow: var(--sh-sm); transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.exp:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.exp .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--paper-2); border: 1px solid var(--line); display: grid; place-items: center; color: var(--ink); margin-bottom: 16px; }
.exp .ico svg { width: 22px; height: 22px; }
.exp b { font-family: var(--f-display); font-size: 1.1rem; color: var(--t-hi); }
.exp p { font-size: .92rem; margin-top: 8px; }
.sec-dark .exp { background: var(--ink-2); border-color: var(--line-dark-soft); }
.sec-dark .exp .ico { background: var(--ink-3); border-color: var(--line-dark); color: var(--amber); }
.sec-dark .exp b { color: #fff; }

/* simple value/number list */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.fact { padding: 24px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--white); }
.fact b { font-family: var(--f-display); font-size: 2rem; color: var(--ink); display: block; line-height: 1; }
.fact b .suf { color: var(--amber-3); }
.fact span { font-size: .84rem; color: var(--t-low); display: block; margin-top: 8px; }
.sec-dark .fact { background: rgba(255,255,255,.03); border-color: var(--line-dark-soft); }
.sec-dark .fact b { color: #fff; }

/* ---------- CTA BAND ---------- */
.cta-band { position: relative; overflow: hidden; background: var(--ink); border-radius: var(--r-xl); padding: clamp(40px, 6vw, 68px); text-align: center; }
.cta-band .hero-glow.a { width: 460px; height: 460px; top: -180px; right: -120px; opacity: .4; }
.cta-band .blueprint { opacity: .6; }
.cta-band h2 { color: #fff; position: relative; z-index: 2; max-width: 18ch; margin-inline: auto; }
.cta-band p { color: var(--t-on-dark-mid); position: relative; z-index: 2; max-width: 56ch; margin: 18px auto 0; }
.cta-band .ph-actions { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 30px; }

/* checklist (two-column feature ticks) */
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 30px; }
.checklist li { display: flex; gap: 13px; align-items: flex-start; }
.checklist .tick { width: 24px; height: 24px; border-radius: 7px; background: var(--paper-2); border: 1px solid var(--line); display: grid; place-items: center; flex-shrink: 0; margin-top: 2px; color: var(--amber-3); }
.checklist .tick svg { width: 13px; height: 13px; }
.checklist b { color: var(--t-hi); font-weight: 600; }
.checklist p { font-size: .9rem; margin-top: 2px; }
.sec-dark .checklist .tick { background: var(--ink-3); border-color: var(--line-dark); color: var(--amber); }
.sec-dark .checklist b { color: #fff; }

/* ---------- STATS ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--white); box-shadow: var(--sh-sm); }
.stat { padding: 34px 30px; border-right: 1px solid var(--line-soft); position: relative; }
.stat:last-child { border-right: none; }
.stat .num { font-family: var(--f-display); font-size: clamp(2.2rem, 3.6vw, 3rem); font-weight: 600; letter-spacing: -.03em; color: var(--ink); display: flex; align-items: baseline; gap: 2px; }
.stat .num .suf { color: var(--amber-3); }
.stat .lbl { margin-top: 8px; font-size: .86rem; color: var(--t-low); line-height: 1.4; }

/* ---------- ABOUT / SPLIT ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.media-left { grid-template-columns: .9fr 1.1fr; }
.about-media { position: relative; }
.about-media .bezel > .core img { width: 100%; height: 520px; object-fit: cover; }
.about-figs { position: absolute; right: -18px; bottom: -22px; background: var(--ink); color: #fff; padding: 20px 24px; border-radius: var(--r-md); box-shadow: var(--sh-lg); }
.about-figs b { font-family: var(--f-display); font-size: 2rem; display: block; line-height: 1; }
.about-figs span { font-size: .8rem; color: var(--t-on-dark-mid); font-family: var(--f-mono); letter-spacing: .03em; }
.feature-list { display: grid; gap: 14px; margin-top: 30px; }
.feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.feature-list .tick { width: 26px; height: 26px; border-radius: 8px; background: var(--paper-2); border: 1px solid var(--line); display: grid; place-items: center; flex-shrink: 0; margin-top: 2px; }
.feature-list .tick svg { width: 14px; height: 14px; color: var(--amber-3); }
.feature-list b { font-weight: 600; color: var(--t-hi); }
.feature-list p { font-size: .92rem; margin-top: 2px; }

/* ---------- SERVICES BENTO ---------- */
.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.svc { position: relative; display: flex; flex-direction: column; }
.svc .core { display: flex; flex-direction: column; height: 100%; }
.svc-pad { padding: 28px; display: flex; flex-direction: column; gap: 14px; height: 100%; }
.svc .ico { width: 50px; height: 50px; border-radius: 13px; background: var(--paper-2); border: 1px solid var(--line); display: grid; place-items: center; color: var(--ink); }
.sec-dark .svc .ico { background: var(--ink-3); border-color: var(--line-dark); color: var(--amber); }
.svc .ico svg { width: 24px; height: 24px; }
.svc h3 { font-size: 1.28rem; }
.svc p { font-size: .94rem; }
.svc .tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; padding-top: 8px; }
.svc .tag { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .04em; padding: 5px 10px; border-radius: var(--r-pill); background: var(--paper-2); color: var(--t-mid); }
.sec-dark .svc .tag { background: var(--ink-3); color: var(--t-on-dark-mid); }
.svc-img { width: 100%; height: 200px; object-fit: cover; }
.svc.tall .svc-img { height: 280px; }
.bezel:hover { transform: translateY(-5px); box-shadow: var(--sh-md); }

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; } .col-5 { grid-column: span 5; } .col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; } .col-8 { grid-column: span 8; } .col-12 { grid-column: span 12; }

/* overlay card (image with text on top) */
.ovl { position: relative; border-radius: calc(var(--r-xl) - 7px); overflow: hidden; height: 100%; min-height: 300px; }
.ovl img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.bezel:hover .ovl img { transform: scale(1.05); }
.ovl::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,11,13,0) 30%, rgba(10,11,13,.82) 100%); }
.ovl .ovl-body { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; justify-content: flex-end; padding: 28px; color: #fff; }
.ovl .ovl-body h3 { color: #fff; }
.ovl .ovl-body p { color: rgba(255,255,255,.82); font-size: .92rem; margin-top: 6px; }
.ovl .kicker { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--amber); margin-bottom: auto; }

/* ---------- TECHNOLOGY / LAB ---------- */
.lab-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.lab-shots { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 16px; }
.lab-shots .big { grid-column: span 2; }
.lab-shots .bezel > .core img { width: 100%; object-fit: cover; }
.lab-shots .big .core img { height: 270px; }
.lab-shots .sm .core img { height: 180px; }
.test-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 26px; margin-top: 28px; }
.test-list li { display: flex; align-items: center; gap: 11px; font-size: .92rem; color: var(--t-mid); padding: 9px 0; border-bottom: 1px solid var(--line-soft); }
.test-list li b { color: var(--t-hi); font-weight: 600; }
.test-list .dot { width: 7px; height: 7px; border-radius: 2px; background: var(--amber); flex-shrink: 0; transform: rotate(45deg); }
.test-list .std { margin-left: auto; padding-left: 12px; font-family: var(--f-mono); font-size: 10px; letter-spacing: .02em; color: var(--t-low); white-space: nowrap; }
.sec-dark .test-list .std { color: var(--t-on-dark-low); }
.sec-dark .test-list li { color: var(--t-on-dark-mid); border-color: var(--line-dark-soft); }
.sec-dark .test-list li b { color: #fff; }

/* ---------- PERFORMANCE (Blueprint for Excellence) ---------- */
.gauges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.gauge .core { padding: 26px; text-align: center; }
.gauge .dial { position: relative; width: 132px; height: 132px; margin: 0 auto 16px; }
.gauge .dial svg { transform: rotate(-90deg); }
.gauge .track { fill: none; stroke: var(--ink-4); stroke-width: 9; }
.gauge .prog { fill: none; stroke: var(--amber); stroke-width: 9; stroke-linecap: round; stroke-dasharray: var(--circ); stroke-dashoffset: var(--circ); transition: stroke-dashoffset 1.6s var(--ease); }
.gauge .val { position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--f-display); font-size: 1.7rem; color: #fff; }
.gauge h4 { font-size: 1rem; color: #fff; }
.gauge p { font-size: .84rem; margin-top: 5px; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.pillar .core { padding: 28px; height: 100%; }
.pillar .pnum { font-family: var(--f-mono); font-size: 11px; letter-spacing: .2em; color: var(--amber); }
.pillar h3 { font-size: 1.3rem; margin: 12px 0 14px; }
.pillar ul { display: grid; gap: 10px; }
.pillar li { display: flex; gap: 10px; font-size: .9rem; color: var(--t-on-dark-mid); }
.pillar li svg { width: 16px; height: 16px; color: var(--amber); flex-shrink: 0; margin-top: 3px; }

/* ---------- MARKETS ---------- */
.markets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.market { position: relative; }
.market .ovl { min-height: 340px; }

/* ---------- PROJECTS / GALLERY ---------- */
.proj-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.proj { position: relative; overflow: hidden; border-radius: var(--r-lg); }
.proj img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); min-height: 240px; }
.proj:hover img { transform: scale(1.06); }
.proj::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,11,13,0) 35%, rgba(10,11,13,.85)); }
.proj .meta { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; justify-content: flex-end; padding: 26px; color: #fff; }
.proj .meta .k { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--amber); }
.proj .meta h3 { color: #fff; font-size: 1.35rem; margin-top: 6px; }
.proj .meta p { color: rgba(255,255,255,.8); font-size: .88rem; margin-top: 4px; }
.proj.feat { grid-column: span 8; } .proj.half { grid-column: span 4; } .proj.third { grid-column: span 4; }
.proj.feat img { min-height: 420px; }

/* ---------- SUSTAINABILITY ---------- */
.sustain { position: relative; overflow: hidden; }
.sustain .blueprint { -webkit-mask-image: none; mask-image: none; opacity: .5; }
.sustain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; position: relative; z-index: 2; }
.green-list { display: grid; gap: 16px; margin-top: 28px; }
.green-list li { display: flex; gap: 14px; align-items: flex-start; }
.green-list .gd { width: 11px; height: 11px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(118,192,67,.16); margin-top: 6px; flex-shrink: 0; }
.green-list b { color: #fff; font-weight: 600; }
.green-list p { font-size: .9rem; margin-top: 2px; }
.sustain .eyebrow::before { background: var(--green); box-shadow: 0 0 0 4px rgba(118,192,67,.2); }
.sustain-media .core img { width: 100%; height: 460px; object-fit: cover; }

/* green asphalt — benefits grid + field-proof band */
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.benefit { display: flex; align-items: center; gap: 11px; padding: 14px 18px; border: 1px solid var(--line-dark); border-radius: var(--r-sm); background: rgba(255,255,255,.03); color: var(--t-on-dark); font-weight: 600; font-size: .92rem; transition: transform .4s var(--ease), border-color .4s var(--ease), background-color .4s; }
.benefit:hover { transform: translateY(-3px); border-color: rgba(118,192,67,.5); background: rgba(118,192,67,.08); }
.benefit span { font-family: var(--f-mono); font-size: .8rem; color: var(--green); padding: 4px 9px; border-radius: 7px; background: rgba(118,192,67,.14); white-space: nowrap; flex-shrink: 0; }
.proof-band { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 22px; border: 1px solid var(--line-dark); border-radius: var(--r-lg); overflow: hidden; background: rgba(255,255,255,.02); }
.proof { padding: 26px 24px; border-right: 1px solid var(--line-dark-soft); }
.proof:last-child { border-right: none; }
.proof b { font-family: var(--f-display); font-size: 1.9rem; color: var(--green); display: block; line-height: 1; }
.proof span { display: block; margin-top: 8px; font-size: .84rem; color: var(--t-on-dark-mid); }
@media (max-width: 820px){ .benefit-grid { grid-template-columns: 1fr 1fr; } .proof-band { grid-template-columns: 1fr 1fr; } .proof:nth-child(2){border-right:none} .proof:nth-child(1),.proof:nth-child(2){border-bottom:1px solid var(--line-dark-soft)} }
@media (max-width: 560px){ .benefit-grid { grid-template-columns: 1fr; } .proof-band { grid-template-columns: 1fr; } .proof { border-right:none; border-bottom:1px solid var(--line-dark-soft);} }

/* ---------- LEADERSHIP ---------- */
.lead-feature { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: center; margin-bottom: 40px; }
.lead-feature .photo .core { display: grid; place-items: center; background: linear-gradient(160deg, var(--ink-2), var(--ink)); height: 100%; min-height: 360px; position: relative; overflow: hidden; }
.lead-feature .photo .mono-mark { font-family: var(--f-display); font-size: 7rem; color: rgba(255,255,255,.05); position: absolute; }
.lead-feature .photo .badge { z-index: 2; text-align: center; padding: 30px; }
.lead-feature .photo .badge .ring { width: 90px; height: 90px; border-radius: 50%; border: 1.5px solid var(--amber); display: grid; place-items: center; margin: 0 auto 18px; font-family: var(--f-display); font-size: 1.8rem; color: var(--amber); }
.lead-feature .photo .badge b { color: #fff; font-family: var(--f-display); font-size: 1.3rem; display: block; }
.lead-feature .photo .badge span { color: var(--amber); font-family: var(--f-mono); font-size: .78rem; letter-spacing: .08em; }
.lead-quote { font-family: var(--f-display); font-size: clamp(1.3rem, 2.2vw, 1.9rem); line-height: 1.32; color: #fff; font-weight: 500; letter-spacing: -.01em; }
.lead-quote span { color: var(--amber); }
.lead-cred { display: flex; flex-wrap: wrap; gap: 10px 12px; margin-top: 26px; }
.lead-cred .chip { font-family: var(--f-mono); font-size: 11px; letter-spacing: .03em; padding: 8px 14px; border-radius: var(--r-pill); border: 1px solid var(--line-dark); color: var(--t-on-dark-mid); background: rgba(255,255,255,.03); }
.cred { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.cred span { font-family: var(--f-mono); font-size: 11px; letter-spacing: .02em; padding: 7px 13px; border-radius: var(--r-pill); border: 1px solid var(--line); color: var(--t-mid); background: var(--white); }
.sec-dark .cred span { border-color: var(--line-dark); color: var(--t-on-dark-mid); background: rgba(255,255,255,.03); }

.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.member .core { padding: 24px; height: 100%; }
.member .av { width: 54px; height: 54px; border-radius: 14px; background: var(--ink-3); border: 1px solid var(--line-dark); display: grid; place-items: center; font-family: var(--f-display); color: var(--amber); font-size: 1.2rem; margin-bottom: 16px; }
.member b { color: #fff; font-size: 1.06rem; font-family: var(--f-display); font-weight: 600; }
.member .role { color: var(--amber); font-size: .82rem; font-family: var(--f-mono); margin: 3px 0 10px; letter-spacing: .02em; }
.member p { font-size: .86rem; line-height: 1.5; }

/* ---------- GLOBAL ---------- */
.global-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center; }
.global-media .core { overflow: hidden; }
.global-media img { width: 100%; height: 440px; object-fit: cover; }
.who-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 1080px) { .who-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .who-grid { grid-template-columns: 1fr; } }

.regions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 26px; }
.region { display: flex; align-items: center; gap: 11px; padding: 13px 16px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--white); font-weight: 600; font-size: .92rem; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.region:hover { transform: translateY(-3px); box-shadow: var(--sh-sm); }
.region svg { width: 18px; height: 18px; color: var(--amber-3); }

/* ---------- PARTNERS MARQUEE ---------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 64px; width: max-content; animation: scroll-x 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--f-display); font-size: clamp(1.3rem, 2.4vw, 2rem); font-weight: 600; color: var(--t-on-dark-low); white-space: nowrap; transition: color .4s; }
.marquee-track span:hover { color: var(--amber); }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ---------- CONTACT ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-info { display: grid; gap: 14px; align-content: start; }
.info-card { display: flex; gap: 16px; align-items: flex-start; padding: 22px 24px; }
.info-card .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--ink); color: var(--amber); display: grid; place-items: center; flex-shrink: 0; }
.info-card .ico svg { width: 20px; height: 20px; }
.info-card .lbl { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--t-low); }
.info-card b { display: block; font-size: 1.04rem; color: var(--t-hi); margin-top: 4px; }
.info-card a { color: var(--t-hi); }
.map-static { position: relative; display: block; height: 200px; border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--line); background: linear-gradient(160deg, #0E1014, #0A0B0D); box-shadow: var(--sh-sm); transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.map-static:hover { transform: translateY(-3px); box-shadow: var(--sh-md); }
.map-static .map-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 26px 26px; }
.map-static .map-route { position: absolute; inset: 0; background:
  linear-gradient(115deg, transparent 44%, rgba(244,180,0,.55) 44%, rgba(244,180,0,.55) 46%, transparent 46%),
  radial-gradient(circle at 62% 38%, rgba(244,180,0,.18), transparent 40%); }
.map-static .map-pin { position: absolute; top: 38%; left: 62%; transform: translate(-50%,-50%); width: 40px; height: 40px; border-radius: 50%; background: var(--amber); color: var(--ink); display: grid; place-items: center; box-shadow: 0 8px 22px -6px rgba(244,180,0,.7); }
.map-static .map-pin::after { content: ""; position: absolute; inset: -10px; border-radius: 50%; border: 1.5px solid rgba(244,180,0,.4); animation: pin-pulse 2.4s var(--ease) infinite; }
@keyframes pin-pulse { 0% { transform: scale(.7); opacity: .9 } 100% { transform: scale(1.5); opacity: 0 } }
.map-static .map-pin svg { width: 20px; height: 20px; }
.map-static .map-addr { position: absolute; left: 16px; bottom: 14px; right: 16px; color: #fff; }
.map-static .map-addr b { display: block; font-family: var(--f-display); font-size: 1.02rem; }
.map-static .map-addr span { font-family: var(--f-mono); font-size: 11px; color: var(--t-on-dark-mid); letter-spacing: .02em; }
.form { padding: 32px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .82rem; font-weight: 600; color: var(--t-mid); margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 16px; border-radius: var(--r-sm);
  border: 1px solid var(--line); background: var(--paper); color: var(--t-hi);
  font-family: inherit; font-size: .95rem; transition: border-color .3s, box-shadow .3s, background-color .3s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--amber); background: #fff; box-shadow: 0 0 0 4px rgba(244,180,0,.14); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form .btn { width: 100%; justify-content: center; margin-top: 6px; }
.form-note { font-size: .78rem; color: var(--t-low); margin-top: 14px; text-align: center; }
.form-success { display: none; padding: 18px; border-radius: var(--r-sm); background: rgba(118,192,67,.12); border: 1px solid rgba(118,192,67,.4); color: var(--green-2); font-weight: 600; font-size: .92rem; margin-top: 10px; align-items: center; gap: 10px; }
.form-success.show { display: flex; }

/* ---------- FOOTER ---------- */
.footer { background: var(--ink); color: var(--t-on-dark-mid); padding-top: 80px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 50px; border-bottom: 1px solid var(--line-dark-soft); }
.footer .brand img { width: 44px; height: 44px; }
.footer .brand b { color: #fff; }
.footer-col h5 { font-family: var(--f-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--t-on-dark-low); margin-bottom: 18px; }
.footer-col a { display: block; padding: 6px 0; color: var(--t-on-dark-mid); font-size: .92rem; transition: color .3s, transform .3s var(--ease); }
.footer-col a:hover { color: var(--amber); transform: translateX(3px); }
.footer-about { font-size: .92rem; margin: 18px 0 22px; max-width: 320px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 40px; height: 40px; border-radius: 11px; border: 1px solid var(--line-dark); display: grid; place-items: center; color: var(--t-on-dark-mid); transition: background-color .3s, color .3s, transform .4s var(--ease); }
.footer-social a:hover { background: var(--amber); color: var(--ink); transform: translateY(-3px); }
.footer-social svg { width: 18px; height: 18px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 26px 0 34px; font-size: .82rem; color: var(--t-on-dark-low); }
.footer-bottom .mono { letter-spacing: .02em; }

/* ---------- SCROLL REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(34px); filter: blur(6px); transition: opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; filter: none; }
.reveal-d1 { transition-delay: .08s; } .reveal-d2 { transition-delay: .16s; } .reveal-d3 { transition-delay: .24s; } .reveal-d4 { transition-delay: .32s; }

/* back-to-top */
.totop { position: fixed; right: 24px; bottom: 24px; z-index: 80; width: 50px; height: 50px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; box-shadow: var(--sh-lg); opacity: 0; transform: translateY(20px) scale(.9); pointer-events: none; transition: opacity .5s var(--ease), transform .5s var(--ease), background-color .3s; }
.totop.show { opacity: 1; transform: none; pointer-events: auto; }
.totop:hover { background: var(--amber); color: var(--ink); }
.totop svg { width: 20px; height: 20px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-media .frame img { height: 380px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line-soft); }
  .split, .split.media-left, .lab-grid, .sustain-grid, .global-grid, .lead-feature { grid-template-columns: 1fr; gap: 40px; }
  .gauges { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: 1fr; }
  .team { grid-template-columns: repeat(2, 1fr); }
  .markets { grid-template-columns: 1fr 1fr; }
  .col-3 { grid-column: span 6; }
  .ceo { grid-template-columns: 1fr; }
  .exp-grid { grid-template-columns: 1fr 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-burger { display: block; }
  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8 { grid-column: span 12; }
  .proj.feat, .proj.half, .proj.third { grid-column: span 12; }
  .lab-shots .sm { display: block; }
  .contact-grid, .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .exp-grid { grid-template-columns: 1fr; }
  .checklist { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .tl { grid-template-columns: 84px 1fr; gap: 16px; }
}
@media (max-width: 560px) {
  .container { padding-inline: 18px; }
  .section { padding-block: 64px; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: none !important; border-bottom: 1px solid var(--line-soft); }
  .gauges, .markets, .team, .test-list, .lab-shots, .footer-top { grid-template-columns: 1fr; }
  .lab-shots .big { grid-column: span 1; }
  .about-figs { right: 12px; bottom: -16px; }
  .hero-badge { left: 12px; }
  .nav { padding-left: 14px; }
  .brand b { font-size: .95rem; }
}