/* ============================================================
   Remax Technology 綠邁士科技 — 觸媒低溫熱裂解
   Design system: "Reactor" — ember heat meets emerald renewal
   Display: Archivo · Body: Hanken Grotesk · CJK: Noto Sans TC
   ============================================================ */

:root{
  /* surfaces */
  --bg:      #080b0a;
  --bg-2:    #0b100e;
  --surface: #0f1613;
  --surface-2:#151f1a;
  --line:    rgba(110,231,183,.13);
  --line-2:  rgba(110,231,183,.22);

  /* brand duotone */
  --emerald:    #10b981;
  --emerald-lt: #34d399;
  --emerald-br: #6ee7b7;
  --ember:      #f59e0b;
  --ember-lt:   #fbbf24;
  --ember-dp:   #f97316;

  /* type */
  --text:  #e9f0ec;
  --muted: #98aaa0;
  --faint: #6c7e75;

  --font-display: 'Archivo', 'Noto Sans TC', system-ui, sans-serif;
  --font-body:    'Hanken Grotesk', 'Noto Sans TC', system-ui, sans-serif;

  --maxw: 1200px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 18px;
  --shadow: 0 24px 60px -24px rgba(0,0,0,.7);
  --glow-em: 0 0 40px -8px rgba(52,211,153,.4);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  letter-spacing:.005em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
:lang(en) body, html[lang="en"] body{ letter-spacing:.01em; }

h1,h2,h3{ font-family:var(--font-display); font-weight:800; line-height:1.08; letter-spacing:-.02em; margin:0; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul,ol{ margin:0; padding:0; list-style:none; }
em{ font-style:normal; }
::selection{ background:rgba(52,211,153,.28); color:#fff; }

/* ---------- background field ---------- */
.bg-field{ position:fixed; inset:0; z-index:-1; overflow:hidden; background:
  radial-gradient(120% 90% at 80% -10%, rgba(16,185,129,.10), transparent 55%),
  radial-gradient(90% 80% at 5% 0%, rgba(245,158,11,.07), transparent 50%),
  var(--bg); }
.bg-mesh{ position:absolute; inset:-20%; background:
  radial-gradient(40% 40% at 70% 30%, rgba(16,185,129,.10), transparent 60%),
  radial-gradient(35% 45% at 20% 70%, rgba(249,115,22,.06), transparent 60%);
  filter:blur(30px); animation:drift 22s ease-in-out infinite alternate; }
.bg-grid{ position:absolute; inset:0; opacity:.5;
  background-image:linear-gradient(rgba(110,231,183,.045) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(110,231,183,.045) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 75%); }
@keyframes drift{ to{ transform:translate3d(-4%,3%,0) scale(1.08); } }

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; gap:24px;
  padding:14px var(--pad);
  max-width:1360px; margin:0 auto;
  background:rgba(8,11,10,.55); backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s;
}
.nav.scrolled{ border-bottom-color:var(--line); background:rgba(8,11,10,.82); }
.brand{ display:flex; align-items:center; gap:11px; }
.brand-mark{ display:grid; place-items:center; filter:drop-shadow(0 0 10px rgba(52,211,153,.35)); }
.brand-name{ display:flex; flex-direction:column; line-height:1; }
.brand-name b{ font-family:var(--font-display); font-weight:800; font-size:19px; letter-spacing:-.01em; }
.brand-name i{ font-family:var(--font-display); font-style:normal; font-weight:600; font-size:9.5px; letter-spacing:.28em; color:var(--emerald-lt); margin-top:3px; }

.nav-links{ display:flex; gap:28px; margin-left:auto; }
.nav-links a{ font-size:14.5px; font-weight:500; color:var(--muted); position:relative; padding:4px 0; transition:color .2s; }
.nav-links a::after{ content:""; position:absolute; left:0; bottom:-2px; width:100%; height:2px; background:linear-gradient(90deg,var(--emerald-lt),var(--ember)); transform:scaleX(0); transform-origin:left; transition:transform .25s; }
.nav-links a:hover{ color:var(--text); }
.nav-links a:hover::after{ transform:scaleX(1); }

.nav-actions{ display:flex; align-items:center; gap:14px; }
.lang-toggle{ display:flex; align-items:center; gap:5px; background:var(--surface); border:1px solid var(--line); color:var(--muted); border-radius:999px; padding:6px 12px; font-family:var(--font-display); font-size:12.5px; font-weight:600; cursor:pointer; transition:border-color .2s; }
.lang-toggle:hover{ border-color:var(--line-2); }
.lang-opt{ transition:color .2s; }
.lang-opt.is-active{ color:var(--emerald-br); }
.lang-sep{ opacity:.4; }

.nav-burger{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:6px; }
.nav-burger span{ width:22px; height:2px; background:var(--text); border-radius:2px; transition:.25s; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  --bt:#041210;
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-display); font-weight:700; font-size:15px; letter-spacing:.01em;
  padding:13px 24px; border-radius:999px; cursor:pointer; border:1px solid transparent;
  color:var(--bt); background:linear-gradient(135deg,var(--emerald-br),var(--emerald));
  box-shadow:0 10px 30px -10px rgba(16,185,129,.6);
  transition:transform .18s cubic-bezier(.2,.8,.2,1), box-shadow .25s, filter .2s;
}
.btn:hover{ transform:translateY(-2px); box-shadow:0 16px 40px -12px rgba(16,185,129,.75); filter:saturate(1.1); }
.btn:active{ transform:translateY(0); }
.btn-sm{ padding:9px 17px; font-size:13.5px; }
.btn-lg{ padding:16px 30px; font-size:16px; }
.btn-ghost{ background:transparent; color:var(--text); border-color:var(--line-2); box-shadow:none; }
.btn-ghost:hover{ background:rgba(52,211,153,.08); border-color:var(--emerald); box-shadow:none; }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative; max-width:var(--maxw); margin:0 auto;
  padding:clamp(60px,10vw,120px) var(--pad) clamp(40px,7vw,90px);
  display:grid; grid-template-columns:1.15fr .85fr; gap:40px; align-items:center;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-display); font-size:12.5px; font-weight:600; letter-spacing:.05em;
  color:var(--emerald-br); background:rgba(16,185,129,.09);
  border:1px solid var(--line-2); border-radius:999px; padding:7px 15px;
}
.eyebrow::before{ content:""; width:7px; height:7px; border-radius:50%; background:var(--ember-lt); box-shadow:0 0 10px var(--ember); animation:pulse 2s infinite; }
@keyframes pulse{ 50%{ opacity:.35; } }

.hero-title{
  font-size:clamp(42px,6.4vw,78px); font-weight:900; margin:22px 0 0;
  letter-spacing:-.035em;
}
.hero-title em{ color:var(--emerald-br); }
.hero-title em.ember{ color:var(--ember-lt); }

.hero-sub{ font-size:clamp(16px,1.6vw,19px); color:var(--muted); max-width:42ch; margin:24px 0 0; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }

.hero-stats{ display:flex; gap:clamp(20px,4vw,44px); margin-top:52px; flex-wrap:wrap; }
.hero-stats li{ display:flex; flex-direction:column; }
.hero-stats b{ font-family:var(--font-display); font-size:clamp(24px,3vw,34px); font-weight:800; color:var(--text); letter-spacing:-.02em; }
.hero-stats b small{ font-size:.5em; color:var(--emerald-lt); font-weight:600; }
.hero-stats span{ font-size:13px; color:var(--faint); margin-top:4px; max-width:16ch; }

/* hero reactor visual */
.hero-visual{ display:grid; place-items:center; }
.reactor{ position:relative; width:min(360px,80vw); aspect-ratio:1; }
.reactor-ring{ position:absolute; inset:0; border-radius:50%; border:1px solid var(--line-2); }
.reactor-ring.r1{ inset:8%; border-color:rgba(52,211,153,.3); animation:spin 26s linear infinite; }
.reactor-ring.r2{ inset:22%; border-color:rgba(245,158,11,.28); border-style:dashed; animation:spin 18s linear infinite reverse; }
.reactor-core{ position:absolute; inset:36%; border-radius:50%;
  background:radial-gradient(circle at 40% 35%, var(--ember-lt), var(--ember-dp) 60%, #7c2d12 100%);
  box-shadow:0 0 60px -6px var(--ember), inset 0 0 30px rgba(0,0,0,.4);
  animation:breathe 4s ease-in-out infinite; }
.reactor-heat{ position:absolute; inset:0; border-radius:50%;
  background:radial-gradient(circle, rgba(245,158,11,.18), transparent 62%); animation:breathe 4s ease-in-out infinite; }
@keyframes spin{ to{ transform:rotate(360deg); } }
@keyframes breathe{ 50%{ transform:scale(1.06); filter:brightness(1.15); } }
.mol{ position:absolute; width:12px; height:12px; border-radius:50%; background:var(--emerald-br); box-shadow:0 0 14px var(--emerald); top:50%; left:50%; }
.mol{ animation:orbit 12s linear infinite; }
.m1{ --r:47%; --a:0deg;   animation-duration:11s; }
.m2{ --r:47%; --a:120deg; animation-duration:14s; background:var(--ember-lt); box-shadow:0 0 14px var(--ember); }
.m3{ --r:47%; --a:240deg; animation-duration:9s; }
.m4{ --r:33%; --a:60deg;  animation-duration:16s; width:9px;height:9px; }
.m5{ --r:33%; --a:200deg; animation-duration:12s; width:9px;height:9px; background:var(--ember-lt); }
.m6{ --r:33%; --a:300deg; animation-duration:20s; width:8px;height:8px; }
@keyframes orbit{ from{ transform:rotate(var(--a)) translateX(var(--r)) rotate(calc(-1 * var(--a))); } to{ transform:rotate(calc(var(--a) + 360deg)) translateX(var(--r)) rotate(calc(-1 * (var(--a) + 360deg))); } }

/* ---------- strip ---------- */
.strip{ max-width:var(--maxw); margin:0 auto; padding:22px var(--pad); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.strip p{ margin:0; text-align:center; font-family:var(--font-display); font-weight:600; letter-spacing:.14em; font-size:13px; color:var(--faint); text-transform:uppercase; }

/* ============================================================
   SECTION SCAFFOLD
   ============================================================ */
.section{ max-width:var(--maxw); margin:0 auto; padding:clamp(64px,9vw,120px) var(--pad); }
.band{ max-width:none; background:linear-gradient(180deg, var(--bg-2), var(--surface) 50%, var(--bg-2)); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.band > *{ max-width:var(--maxw); margin-left:auto; margin-right:auto; }
.sec-head{ max-width:720px; margin-bottom:clamp(38px,5vw,60px); }
.sec-kicker{ display:inline-block; font-family:var(--font-display); font-size:12.5px; font-weight:700; letter-spacing:.16em; text-transform:uppercase; color:var(--emerald-lt); margin-bottom:14px; }
.sec-head h2{ font-size:clamp(30px,4.4vw,50px); font-weight:900; letter-spacing:-.03em; }
.sec-lead{ margin:18px 0 0; color:var(--muted); font-size:clamp(15.5px,1.5vw,18px); max-width:60ch; }

/* ============================================================
   ICONS (mask-based line glyphs)
   ============================================================ */
[data-ico]{ width:30px; height:30px; background:var(--emerald-lt);
  -webkit-mask:var(--m) center/contain no-repeat; mask:var(--m) center/contain no-repeat; }
[data-ico="temp"]     { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10 13V5a2 2 0 1 1 4 0v8a4 4 0 1 1-4 0Z'/%3E%3Cpath d='M12 16v-6'/%3E%3C/svg%3E"); }
[data-ico="catalyst"] { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='2'/%3E%3Cellipse cx='12' cy='12' rx='10' ry='4.5'/%3E%3Cellipse cx='12' cy='12' rx='10' ry='4.5' transform='rotate(60 12 12)'/%3E%3Cellipse cx='12' cy='12' rx='10' ry='4.5' transform='rotate(120 12 12)'/%3E%3C/svg%3E"); }
[data-ico="clean"]    { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v5c0 4.5-3 7.8-7 9-4-1.2-7-4.5-7-9V6Z'/%3E%3Cpath d='M9 12l2 2 4-4'/%3E%3C/svg%3E"); }
[data-ico="loop"]     { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12a8 8 0 0 1 13-6l2 2'/%3E%3Cpath d='M20 12a8 8 0 0 1-13 6l-2-2'/%3E%3Cpath d='M19 3v5h-5'/%3E%3Cpath d='M5 21v-5h5'/%3E%3C/svg%3E"); }
[data-ico="waste"]    { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 7h16'/%3E%3Cpath d='M6 7l1 13h10l1-13'/%3E%3Cpath d='M9 7V4h6v3'/%3E%3Cpath d='M10 11v6M14 11v6'/%3E%3C/svg%3E"); }
[data-ico="reactor"]  { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 3h10'/%3E%3Cpath d='M9 3v4l-4 11a2 2 0 0 0 2 3h10a2 2 0 0 0 2-3L15 7V3'/%3E%3Cpath d='M6.5 14h11'/%3E%3C/svg%3E"); }
[data-ico="tire"]     { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3Cpath d='M12 3v4M12 17v4M3 12h4M17 12h4'/%3E%3C/svg%3E"); }
[data-ico="plastic"]  { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 3h6v3l1 2v11a2 2 0 0 1-2 2h-4a2 2 0 0 1-2-2V8l1-2Z'/%3E%3Cpath d='M8 12h8'/%3E%3C/svg%3E"); }
[data-ico="organic"]  { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M11 20C6 20 4 15 4 11c5 0 9 1 9 8'/%3E%3Cpath d='M20 4c0 8-4 12-9 12'/%3E%3Cpath d='M13 16c0-4 2-7 7-8'/%3E%3C/svg%3E"); }
[data-ico="plant"]    { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 21h18'/%3E%3Cpath d='M4 21V10l6-3v3l6-3v3l4-2v13'/%3E%3Cpath d='M8 21v-4h3v4'/%3E%3C/svg%3E"); }
[data-ico="advisor"]  { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l8 4-8 4-8-4Z'/%3E%3Cpath d='M6 10v5c0 1.5 2.7 3 6 3s6-1.5 6-3v-5'/%3E%3Cpath d='M20 7v6'/%3E%3C/svg%3E"); }
[data-ico="license"]  { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='16' rx='2'/%3E%3Cpath d='M7 9h6M7 13h10M7 17h4'/%3E%3Ccircle cx='17' cy='9' r='1.6'/%3E%3C/svg%3E"); }
[data-ico="carbon"]   { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M15 9.5a3.5 3.5 0 1 0 0 5'/%3E%3C/svg%3E"); }
[data-ico="pin"]      { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 21s7-5.5 7-11a7 7 0 1 0-14 0c0 5.5 7 11 7 11Z'/%3E%3Ccircle cx='12' cy='10' r='2.5'/%3E%3C/svg%3E"); }
[data-ico="phone"]    { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 3h3l2 5-2.5 1.5a11 11 0 0 0 5 5L16 14l5 2v3a2 2 0 0 1-2 2A16 16 0 0 1 4 5a2 2 0 0 1 2-2Z'/%3E%3C/svg%3E"); }
[data-ico="mail"]     { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='M4 7l8 6 8-6'/%3E%3C/svg%3E"); }
[data-ico="id"]       { --m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Ccircle cx='9' cy='11' r='2'/%3E%3Cpath d='M6 16c0-1.7 1.3-3 3-3s3 1.3 3 3'/%3E%3Cpath d='M15 10h4M15 13h4'/%3E%3C/svg%3E"); }

/* ============================================================
   CORE TECH — cards
   ============================================================ */
.tech-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.tech-card{ background:linear-gradient(180deg,var(--surface),var(--bg-2)); border:1px solid var(--line); border-radius:var(--radius); padding:26px 22px; position:relative; overflow:hidden; transition:transform .3s, border-color .3s; }
.tech-card::before{ content:""; position:absolute; inset:0 0 auto 0; height:2px; background:linear-gradient(90deg,var(--emerald),transparent); opacity:0; transition:opacity .3s; }
.tech-card:hover{ transform:translateY(-6px); border-color:var(--line-2); }
.tech-card:hover::before{ opacity:1; }
.tech-ico{ width:46px; height:46px; display:grid; place-items:center; border-radius:12px; background:rgba(16,185,129,.09); border:1px solid var(--line-2); margin-bottom:18px; }
.tech-ico[data-ico]{ background:rgba(16,185,129,.09); }
.tech-ico::after{ content:""; width:26px; height:26px; background:var(--emerald-lt); -webkit-mask:var(--m) center/contain no-repeat; mask:var(--m) center/contain no-repeat; }
.tech-card h3{ font-size:19px; margin-bottom:8px; }
.tech-card p{ margin:0; color:var(--muted); font-size:14.5px; }

/* ============================================================
   PROCESS FLOW
   ============================================================ */
.flow{ display:grid; grid-template-columns:auto auto auto auto auto; align-items:center; gap:clamp(10px,2vw,26px); overflow-x:auto; padding:8px 2px 16px; }
.flow-node{ background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:20px 18px; text-align:center; min-width:150px; display:flex; flex-direction:column; align-items:center; gap:8px; }
.flow-node .flow-ico{ width:34px; height:34px; }
.flow-node b{ font-family:var(--font-display); font-size:16px; }
.flow-node small{ font-size:11.5px; color:var(--faint); letter-spacing:.02em; }
.flow-node.input{ border-color:var(--line-2); }
.flow-node.reactor-node{ background:linear-gradient(160deg, rgba(245,158,11,.14), var(--surface)); border-color:rgba(245,158,11,.35); box-shadow:0 0 40px -14px var(--ember); min-width:180px; padding:26px 20px; }
.flow-node.reactor-node .flow-ico{ background:var(--ember-lt); width:40px; height:40px; }
.flow-arrow{ position:relative; width:clamp(28px,4vw,64px); height:2px; background:linear-gradient(90deg,var(--line-2),var(--emerald)); }
.flow-arrow span{ position:absolute; right:-4px; top:50%; width:9px; height:9px; background:var(--emerald); clip-path:polygon(0 0, 100% 50%, 0 100%); transform:translateY(-50%); }
.flow-arrow::after{ content:""; position:absolute; top:50%; left:0; width:8px; height:8px; border-radius:50%; background:var(--emerald-br); box-shadow:0 0 10px var(--emerald); transform:translateY(-50%); animation:travel 2.4s linear infinite; }
@keyframes travel{ from{ left:0; opacity:0;} 10%{opacity:1;} 90%{opacity:1;} to{ left:100%; opacity:0; } }
.flow-out{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px; }
.flow-out .out{ min-width:130px; padding:14px 14px; flex-direction:row; justify-content:flex-start; text-align:left; gap:10px; }
.flow-out .out .dot{ width:10px; height:10px; border-radius:50%; flex:none; }
.flow-out .out div,.flow-out .out b{ display:block; }
.flow-out .out small{ display:block; }
.o1 .dot{ background:var(--ember-dp); box-shadow:0 0 10px var(--ember-dp); }
.o2 .dot{ background:#e9f0ec; box-shadow:0 0 10px #fff; }
.o3 .dot{ background:var(--ember-lt); box-shadow:0 0 10px var(--ember); }
.o4 .dot{ background:var(--emerald-lt); box-shadow:0 0 10px var(--emerald); }

/* ============================================================
   APPLICATIONS
   ============================================================ */
.apps-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.app-card{ position:relative; padding:32px 26px; border-radius:var(--radius); border:1px solid var(--line); overflow:hidden; background:var(--surface); transition:transform .3s, border-color .3s; min-height:230px; display:flex; flex-direction:column; }
.app-card::after{ content:""; position:absolute; right:-30px; bottom:-30px; width:150px; height:150px; border-radius:50%; background:radial-gradient(circle, rgba(16,185,129,.12), transparent 70%); transition:transform .4s; }
.app-card:hover{ transform:translateY(-6px); border-color:var(--line-2); }
.app-card:hover::after{ transform:scale(1.3); }
.app-glyph{ width:54px; height:54px; margin-bottom:auto; }
.app-card h3{ font-size:24px; margin:18px 0 10px; }
.app-card p{ margin:0; color:var(--muted); font-size:14.5px; position:relative; z-index:1; }
.app-card[data-app="plastic"] .app-glyph{ background:var(--ember-lt); }
.app-card[data-app="plastic"]::after{ background:radial-gradient(circle, rgba(245,158,11,.12), transparent 70%); }

/* ============================================================
   IMPACT
   ============================================================ */
.impact-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.impact-card{ background:linear-gradient(180deg,var(--surface),var(--bg-2)); border:1px solid var(--line); border-radius:var(--radius); padding:30px 24px; text-align:left; position:relative; overflow:hidden; }
.impact-card .num{ font-family:var(--font-display); font-weight:900; font-size:clamp(34px,4.5vw,52px); line-height:1; letter-spacing:-.03em; display:block; color:var(--emerald-br); }
.impact-card.ember .num{ color:var(--ember-lt); }
.impact-card .num.plain{ font-size:clamp(28px,3.5vw,40px); }
.impact-card .unit{ display:block; font-family:var(--font-display); font-weight:600; font-size:13px; color:var(--muted); margin-top:8px; letter-spacing:.04em; }
.impact-card p{ margin:12px 0 0; color:var(--faint); font-size:13.5px; }

/* ============================================================
   DEMO
   ============================================================ */
.demo-wrap{ display:grid; grid-template-columns:1.2fr .8fr; gap:clamp(30px,5vw,64px); align-items:center; }
.steps{ display:flex; flex-direction:column; gap:0; margin:30px 0 34px; position:relative; }
.steps li{ display:flex; gap:20px; padding:0 0 26px; position:relative; }
.steps li:last-child{ padding-bottom:0; }
.step-node{ flex:none; width:16px; height:16px; margin-top:5px; border-radius:50%; background:var(--surface); border:2px solid var(--emerald); box-shadow:0 0 0 4px rgba(16,185,129,.1); position:relative; z-index:1; }
.steps li:not(:last-child)::before{ content:""; position:absolute; left:7px; top:20px; bottom:-2px; width:2px; background:linear-gradient(180deg,var(--emerald),var(--line)); }
.steps li b{ font-family:var(--font-display); font-size:17px; display:block; }
.steps li p{ margin:5px 0 0; color:var(--muted); font-size:14px; }

.demo-visual{ display:flex; flex-direction:column; align-items:center; gap:26px; }
.gauge{ position:relative; width:min(240px,70vw); aspect-ratio:1; display:grid; place-items:center; }
.gauge-ring{ position:absolute; inset:0; border-radius:50%; border:2px solid var(--line); }
.gauge-fill{ position:absolute; inset:0; border-radius:50%;
  background:conic-gradient(from 200deg, var(--ember-dp), var(--ember-lt) 40%, var(--emerald-lt) 78%, transparent 78%);
  -webkit-mask:radial-gradient(farthest-side, transparent calc(100% - 14px), #000 calc(100% - 13px));
  mask:radial-gradient(farthest-side, transparent calc(100% - 14px), #000 calc(100% - 13px));
  animation:gaugefill 1.4s ease-out both; }
@keyframes gaugefill{ from{ opacity:.2; transform:rotate(-40deg); } to{ opacity:1; transform:rotate(0); } }
.gauge-label{ text-align:center; }
.gauge-label b{ font-family:var(--font-display); font-weight:900; font-size:56px; line-height:1; letter-spacing:-.03em; }
.gauge-label span{ display:block; color:var(--emerald-lt); font-family:var(--font-display); font-weight:600; letter-spacing:.1em; margin-top:4px; }
.demo-tags{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; }
.demo-tags li{ font-size:12.5px; font-family:var(--font-display); font-weight:600; color:var(--muted); border:1px solid var(--line-2); border-radius:999px; padding:6px 13px; background:rgba(16,185,129,.05); }

/* ============================================================
   SERVICES
   ============================================================ */
.svc-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.svc-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:28px 22px; transition:transform .3s, border-color .3s, background .3s; }
.svc-card:hover{ transform:translateY(-6px); border-color:var(--emerald); background:linear-gradient(180deg,rgba(16,185,129,.06),var(--surface)); }
.svc-ico{ width:40px; height:40px; margin-bottom:18px; }
.svc-card h3{ font-size:18px; margin-bottom:9px; }
.svc-card p{ margin:0; color:var(--muted); font-size:14px; }

/* ============================================================
   VISION CTA
   ============================================================ */
.vision{ position:relative; overflow:hidden; }
.vision-inner{ max-width:900px; margin:0 auto; padding:clamp(70px,10vw,130px) var(--pad); text-align:center; }
.vision-inner h2{ font-size:clamp(30px,5vw,56px); font-weight:900; letter-spacing:-.03em; }
.vision-inner p{ color:var(--muted); font-size:clamp(16px,1.7vw,19px); max-width:52ch; margin:22px auto 34px; }
.vision::before{ content:""; position:absolute; inset:0; z-index:-1;
  background:radial-gradient(60% 100% at 50% 120%, rgba(245,158,11,.14), transparent 60%),
             radial-gradient(50% 80% at 50% -10%, rgba(16,185,129,.14), transparent 60%); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(30px,5vw,60px); }
.contact-list{ display:flex; flex-direction:column; gap:20px; margin-top:30px; }
.contact-list li{ display:flex; gap:15px; align-items:flex-start; }
.ci-ico{ flex:none; width:42px; height:42px; display:grid; place-items:center; border-radius:11px; background:rgba(16,185,129,.08); border:1px solid var(--line-2); }
.ci-ico::after{ content:""; width:22px; height:22px; background:var(--emerald-lt); -webkit-mask:var(--m) center/contain no-repeat; mask:var(--m) center/contain no-repeat; }
.contact-list small{ display:block; color:var(--faint); font-size:12.5px; letter-spacing:.03em; }
.contact-list b{ font-family:var(--font-display); font-weight:600; font-size:16px; }
.contact-list a:hover{ color:var(--emerald-br); }

.contact-form{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:clamp(24px,4vw,38px); }
.field{ margin-bottom:18px; }
.field label{ display:block; font-family:var(--font-display); font-size:13px; font-weight:600; color:var(--muted); margin-bottom:7px; letter-spacing:.02em; }
.field input,.field select,.field textarea{ width:100%; background:var(--bg); border:1px solid var(--line-2); border-radius:11px; padding:12px 14px; color:var(--text); font-family:var(--font-body); font-size:15px; transition:border-color .2s, box-shadow .2s; }
.field input:focus,.field select:focus,.field textarea:focus{ outline:none; border-color:var(--emerald); box-shadow:0 0 0 3px rgba(16,185,129,.14); }
.field textarea{ resize:vertical; }
.contact-form .btn{ width:100%; }
.form-note{ margin:14px 0 0; color:var(--emerald-br); font-size:13.5px; text-align:center; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{ border-top:1px solid var(--line); background:var(--bg-2); }
.foot-top{ max-width:var(--maxw); margin:0 auto; padding:44px var(--pad) 30px; display:flex; justify-content:space-between; align-items:center; gap:24px; flex-wrap:wrap; }
.foot-links{ display:flex; gap:24px; flex-wrap:wrap; }
.foot-links a{ color:var(--muted); font-size:14px; transition:color .2s; }
.foot-links a:hover{ color:var(--emerald-br); }
.foot-bottom{ max-width:var(--maxw); margin:0 auto; padding:20px var(--pad) 40px; border-top:1px solid var(--line); display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; }
.foot-bottom p{ margin:0; color:var(--faint); font-size:13px; }
.foot-tag{ font-family:var(--font-display); letter-spacing:.06em; }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1); }
.reveal.in{ opacity:1; transform:none; }
.tech-grid .reveal:nth-child(2){ transition-delay:.07s; }
.tech-grid .reveal:nth-child(3){ transition-delay:.14s; }
.tech-grid .reveal:nth-child(4){ transition-delay:.21s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:980px){
  .hero{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; }
  .reactor{ width:min(280px,70vw); }
  .tech-grid,.impact-grid,.svc-grid{ grid-template-columns:repeat(2,1fr); }
  .apps-grid{ grid-template-columns:1fr; }
  .demo-wrap,.contact-wrap{ grid-template-columns:1fr; }
  .flow{ grid-template-columns:1fr; justify-items:center; }
  .flow-arrow{ width:2px; height:36px; background:linear-gradient(180deg,var(--line-2),var(--emerald)); }
  .flow-arrow span{ right:50%; top:auto; bottom:-1px; transform:translateX(50%) rotate(135deg); }
  .flow-arrow::after{ animation:travelv 2.4s linear infinite; }
  @keyframes travelv{ from{ top:0; left:50%; opacity:0;} 10%{opacity:1;} 90%{opacity:1;} to{ top:100%; opacity:0; } }
  .flow-out{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:640px){
  .nav-links{ display:none; }
  .nav-links.open{ display:flex; position:absolute; top:100%; left:0; right:0; flex-direction:column; gap:0; background:rgba(8,11,10,.97); backdrop-filter:blur(14px); border-bottom:1px solid var(--line); padding:8px var(--pad) 18px; }
  .nav-links.open a{ padding:13px 0; border-bottom:1px solid var(--line); }
  .nav-burger{ display:flex; }
  .nav-actions .btn{ display:none; }
  .tech-grid,.impact-grid,.svc-grid{ grid-template-columns:1fr; }
  .foot-top,.foot-bottom{ flex-direction:column; align-items:flex-start; }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .reveal{ opacity:1; transform:none; }
}