/* ============================================================
   Cronus — Coal Grinding Mill  |  single page corporate site
   Design system + components
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  --ink:#0a1c33;
  --ink-2:#123055;
  --ink-3:#274566;
  --brand:#1a4fa0;
  --brand-2:#2f76d2;
  --brand-3:#e8f0fb;
  --accent:#f08a1e;
  --accent-2:#ffba63;
  --accent-soft:#fff4e6;
  --steel:#5d7186;
  --steel-2:#8a9cb0;
  --line:#dce5f0;
  --line-2:#eef3f9;
  --bg:#f5f8fc;
  --bg-2:#eaf1f9;
  --white:#ffffff;
  --ok:#1f9d67;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:8px;
  --wrap:1240px;

  --sh-1:0 1px 2px rgba(10,28,51,.05),0 2px 8px rgba(10,28,51,.05);
  --sh-2:0 2px 4px rgba(10,28,51,.04),0 14px 30px rgba(10,28,51,.08);
  --sh-3:0 4px 10px rgba(10,28,51,.05),0 26px 64px rgba(10,28,51,.13);
  --sh-in:inset 0 1px 0 rgba(255,255,255,.6);

  --grad-dark:linear-gradient(135deg,#07162a 0%,#0e2b50 52%,#1a4fa0 100%);
  --grad-dark-2:linear-gradient(160deg,#0a1c33 0%,#143660 100%);
  --grad-accent:linear-gradient(135deg,#ee8412 0%,#ffbc68 100%);
  --grad-card:linear-gradient(180deg,#ffffff 0%,#f8fbff 100%);
  --grad-soft:linear-gradient(180deg,#ffffff 0%,#f2f7fd 100%);

  --ff:"Inter","Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --ff-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --nav-h:74px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 14px);overflow-x:clip}
body{
  margin:0;font-family:var(--ff);font-size:16px;line-height:1.75;
  color:var(--ink-3);background:var(--white);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;display:block}
img{height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);line-height:1.22;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(1.95rem,4.2vw,3.35rem);line-height:1.14}
h2{font-size:clamp(1.5rem,2.7vw,2.25rem)}
h3{font-size:1.16rem;font-weight:750}
h4{font-size:1.02rem;font-weight:700;letter-spacing:0}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
strong{color:var(--ink-2);font-weight:700}
::selection{background:var(--brand);color:#fff}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sec{padding:96px 0;position:relative}
.sec--tight{padding:64px 0}
.sec--bg{background:var(--bg)}
.sec--soft{background:var(--grad-soft)}
.sec--dark{background:var(--grad-dark);color:#cfe0f5}
.sec--dark h2,.sec--dark h3,.sec--dark h4{color:#fff}
.sec--dark p{color:#bed2ea}
.g-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.g-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.g-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.g-2-1{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.g-1-2{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}

/* ---------- section head ---------- */
.sec-head{max-width:860px;margin-bottom:52px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px}
.sec-head--center .eyebrow::before{width:20px}
.sec--dark .eyebrow{color:var(--accent-2)}
.lead{font-size:1.06rem;color:var(--steel);max-width:74ch}
.sec--dark .lead{color:#b7cde8}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:100px;border:1px solid transparent;
  font-weight:700;font-size:.94rem;letter-spacing:.01em;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s,border-color .25s;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:none}
.btn--primary{background:var(--grad-accent);color:#3a1d00;box-shadow:0 10px 26px rgba(240,138,30,.34)}
.btn--primary:hover{color:#3a1d00;transform:translateY(-2px);box-shadow:0 16px 34px rgba(240,138,30,.42)}
.btn--brand{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 10px 26px rgba(26,79,160,.28)}
.btn--brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(26,79,160,.36)}
.btn--ghost{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(6px)}
.btn--ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.btn--line{border-color:var(--line);color:var(--ink-2);background:#fff}
.btn--line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- accessibility skip link ---------- */
.skip{
  position:absolute;left:14px;top:8px;z-index:200;padding:10px 16px;border-radius:9px;
  background:var(--ink);color:#fff;font-weight:700;font-size:.86rem;
  transform:translateY(-220%);transition:transform .22s var(--ease);
}
.skip:focus{transform:none;color:#fff;outline:2px solid var(--accent);outline-offset:2px}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:var(--nav-h);display:flex;align-items:center;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),height .35s var(--ease),border-color .35s;
  border-bottom:1px solid transparent;
}
.nav__inner{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:22px}
.nav__brand{display:flex;align-items:center;gap:12px;flex:none}
.nav__logo{height:30px;width:auto;transition:filter .35s var(--ease),opacity .3s}
.nav__tag{
  font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(255,255,255,.72);padding-left:12px;border-left:1px solid rgba(255,255,255,.28);
  line-height:1.25;max-width:150px;transition:color .35s,border-color .35s;
}
.nav__links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav__links a{
  padding:9px 10px;border-radius:9px;font-size:.845rem;font-weight:600;
  color:rgba(255,255,255,.86);position:relative;transition:color .22s,background .22s;
  white-space:nowrap;flex:none;
}
.nav__links a::after{
  content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav__links a:hover{color:#fff}
.nav__links a.is-active{color:#fff}
.nav__links a.is-active::after,.nav__links a:hover::after{transform:scaleX(1)}
.nav__cta{margin-left:12px;padding:11px 20px;font-size:.86rem}
.nav__burger{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:11px;
  border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.1);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav__burger span{display:block;width:19px;height:2px;border-radius:2px;background:#fff;transition:transform .3s var(--ease),opacity .2s}
.nav__burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger.is-open span:nth-child(2){opacity:0}
.nav__burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* nav scrolled state — colour flips */
.nav.is-scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  box-shadow:0 1px 0 var(--line),0 10px 34px rgba(10,28,51,.09);
  border-bottom-color:var(--line);
  height:66px;
}
.nav.is-scrolled .nav__logo{filter:none}
.nav.is-scrolled .nav__tag{color:var(--steel);border-left-color:var(--line)}
.nav.is-scrolled .nav__links a{color:var(--ink-3)}
.nav.is-scrolled .nav__links a:hover,.nav.is-scrolled .nav__links a.is-active{color:var(--brand)}
.nav.is-scrolled .nav__burger{border-color:var(--line);background:var(--brand-3)}
.nav.is-scrolled .nav__burger span{background:var(--ink-2)}
/* top-of-page state (over dark hero) */
.nav:not(.is-scrolled) .nav__logo{filter:brightness(0) invert(1)}

.nav__progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:var(--grad-accent);transition:width .1s linear;
}

/* mobile drawer */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(360px,86vw);z-index:130;
  background:#fff;box-shadow:-24px 0 60px rgba(10,28,51,.2);
  transform:translateX(103%);transition:transform .38s var(--ease);
  display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto;
}
.drawer.is-open{transform:none}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__top img{height:26px}
.drawer__close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:1.2rem;line-height:1}
.drawer__nav{display:flex;flex-direction:column;gap:2px}
.drawer__nav a{padding:13px 12px;border-radius:10px;color:var(--ink-2);font-weight:650;font-size:.98rem;border-bottom:1px solid var(--line-2)}
.drawer__nav a:hover,.drawer__nav a.is-active{background:var(--brand-3);color:var(--brand)}
.drawer__foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);display:grid;gap:12px;font-size:.9rem}
.drawer-backdrop{position:fixed;inset:0;background:rgba(7,18,33,.5);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .3s;z-index:125}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:calc(var(--nav-h) + 78px) 0 0;
  background:var(--grad-dark);color:#cfe0f5;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 92% 78% at 22% 12%,#000 22%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 92% 78% at 22% 12%,#000 22%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;width:760px;height:760px;right:-180px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,118,210,.42) 0%,rgba(47,118,210,0) 66%);pointer-events:none;
}
.hero__grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;
  gap:52px;align-items:center;padding-bottom:64px;
}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 .hl{background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{font-size:1.075rem;color:#c3d7f0;max-width:60ch}
.hero__kicker{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:100px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
  font-size:.765rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#e7f0fb;
  margin-bottom:22px;
}
.hero__kicker i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(240,138,30,.24)}
.hero__facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero__facts span{
  font-size:.8rem;font-weight:600;padding:7px 13px;border-radius:100px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:#dbe8f7;
}
.hero__visual{position:relative}
.hero__render{
  position:relative;filter:drop-shadow(0 34px 54px rgba(0,0,0,.55));
  animation:floaty 7s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}
.hero__glow{
  position:absolute;inset:14% 6% 12% 10%;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.19),transparent 66%);filter:blur(28px);
}
.hero__badge{
  position:absolute;background:rgba(255,255,255,.97);border-radius:14px;
  padding:13px 17px;box-shadow:0 20px 44px rgba(0,0,0,.35);color:var(--ink);
  display:grid;gap:2px;border:1px solid rgba(255,255,255,.6);
}
.hero__badge b{font-size:1.06rem;color:var(--brand);letter-spacing:-.02em;font-weight:800}
.hero__badge small{font-size:.7rem;color:var(--steel);font-weight:600;letter-spacing:.03em;text-transform:uppercase}
.hero__badge--1{left:-8px;top:12%}
.hero__badge--2{right:-6px;bottom:16%}

/* hero stat strip */
.hero__stats{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.15);
  background:rgba(6,16,30,.36);backdrop-filter:blur(8px);
}
.hero__stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.hero__stat{padding:26px 20px 26px 0;border-right:1px solid rgba(255,255,255,.13)}
.hero__stat:last-child{border-right:0}
.hero__stat b{display:block;font-size:1.85rem;font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.1}
.hero__stat span{font-size:.79rem;color:#a9c2e0;font-weight:600;letter-spacing:.03em}

/* ---------- trust bar ---------- */
.trust{background:#fff;border-bottom:1px solid var(--line);padding:20px 0}
.trust__row{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;justify-content:space-between}
.trust__item{display:flex;align-items:center;gap:9px;font-size:.82rem;font-weight:650;color:var(--steel)}
.trust__item svg{width:17px;height:17px;color:var(--brand);flex:none}

/* ---------- cards ---------- */
.card{
  background:var(--grad-card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#c9d9ee}
.card__ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,var(--brand-3),#dbe9fb);color:var(--brand);
  border:1px solid #cfe0f6;
}
.card__ico svg{width:22px;height:22px}
.card__ico--accent{background:var(--accent-soft);color:#b1560a;border-color:#fbd9b0}
.card h3{margin-bottom:9px}
.card p{font-size:.93rem;color:var(--steel);margin:0}
.card--flat{box-shadow:none;background:#fff}
.card--flat:hover{box-shadow:var(--sh-2)}
.card__num{
  position:absolute;right:20px;top:14px;font-size:2.5rem;font-weight:800;
  color:var(--line-2);letter-spacing:-.04em;line-height:1;
}

/* ---------- tables ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--sh-2);background:#fff;-webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:.9rem}
caption{
  caption-side:top;text-align:left;padding:18px 22px 6px;font-size:.82rem;color:var(--steel);
  font-weight:600;background:#fff;
}
thead th{
  background:linear-gradient(180deg,#123055,#0e2b50);color:#fff;font-weight:700;
  text-align:left;padding:15px 20px;font-size:.86rem;letter-spacing:.02em;white-space:nowrap;
  border-right:1px solid rgba(255,255,255,.1);
}
thead th:last-child{border-right:0}
tbody td{padding:13px 20px;border-bottom:1px solid var(--line-2);color:var(--ink-3);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:#fafcff}
tbody tr:hover{background:#f2f7fd}
tbody td:first-child{font-weight:650;color:var(--ink-2)}
table .hl-cell{color:var(--brand);font-weight:700}
.table-note{font-size:.79rem;color:var(--steel-2);margin-top:12px;line-height:1.6}

/* ---------- lists ---------- */
.check{display:grid;gap:12px}
.check li{position:relative;padding-left:32px;font-size:.94rem;color:var(--ink-3)}
.check li::before{
  content:"";position:absolute;left:0;top:.42em;width:19px;height:19px;border-radius:50%;
  background:var(--brand-3);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a4fa0' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:12px;background-position:center;background-repeat:no-repeat;
}
.check--accent li::before{background-color:var(--accent-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ee8412' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");}
.sec--dark .check li{color:#c3d7f0}
.sec--dark .check li::before{background-color:rgba(255,255,255,.13);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffba63' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");}

/* ---------- chips & pills ---------- */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:100px;
  background:#fff;border:1px solid var(--line);font-size:.82rem;font-weight:650;color:var(--ink-3);
  transition:all .22s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--sh-1)}
.chip b{color:var(--brand);font-weight:750}
.sec--dark .chip{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16);color:#dbe8f7}
.sec--dark .chip b{color:var(--accent-2)}

/* ---------- process timeline ---------- */
.flow{display:grid;gap:0;position:relative}
.flow__step{
  display:grid;grid-template-columns:76px 1fr;gap:26px;padding:0 0 34px;position:relative;
}
.flow__step:last-child{padding-bottom:0}
.flow__step::before{
  content:"";position:absolute;left:37px;top:64px;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--line),transparent);
}
.flow__step:last-child::before{display:none}
.flow__no{
  width:76px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,#123055,#1a4fa0);color:#fff;font-weight:800;font-size:1.06rem;
  box-shadow:0 12px 26px rgba(26,79,160,.24);letter-spacing:-.02em;
}
.flow__body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 26px;box-shadow:var(--sh-1);
}
.flow__body h3{margin-bottom:8px}
.flow__body p{font-size:.93rem;color:var(--steel)}
.flow__body .why{
  margin-top:14px;padding:12px 15px;border-radius:var(--radius-xs);
  background:var(--accent-soft);border-left:3px solid var(--accent);
  font-size:.85rem;color:#7a4a10;
}
.flow__body .why b{color:#a8560a}

/* ---------- figure ---------- */
.fig{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--sh-3);background:#fff}
.fig img{width:100%;display:block;transition:transform .7s var(--ease)}
.fig:hover img{transform:scale(1.035)}
.fig figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 22px 16px;
  background:linear-gradient(0deg,rgba(6,16,30,.88),transparent);
  color:#eaf2fb;font-size:.84rem;font-weight:600;letter-spacing:.01em;
}
.fig--plain{box-shadow:var(--sh-2)}
.fig--plain figcaption{
  position:static;background:#fff;color:var(--steel);border-top:1px solid var(--line-2);
  padding:13px 18px;font-weight:600;
}
.fig--tall img{aspect-ratio:4/5;object-fit:cover}
.fig-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* video */
.video{
  position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--sh-3);
  background:#06101e;aspect-ratio:16/9;
}
.video video{width:100%;height:100%;object-fit:cover;display:block}
.video__cap{
  position:absolute;left:0;right:0;bottom:0;padding:30px 22px 15px;
  background:linear-gradient(0deg,rgba(6,16,30,.9),transparent);color:#e6eff9;
  font-size:.84rem;font-weight:600;
}

/* ---------- gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gal__item{
  position:relative;border-radius:var(--radius-sm);overflow:hidden;cursor:zoom-in;
  box-shadow:var(--sh-2);background:#0a1c33;
}
.gal__item img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s var(--ease),opacity .3s}
.gal__item:hover img{transform:scale(1.06);opacity:.88}
.gal__item span{
  position:absolute;left:0;right:0;bottom:0;padding:22px 13px 10px;
  background:linear-gradient(0deg,rgba(6,16,30,.9),transparent);color:#eaf2fb;
  font-size:.76rem;font-weight:650;letter-spacing:.01em;
}
.gal__item--wide{grid-column:span 2}
.gal__item--wide img{aspect-ratio:8/3}

/* lightbox */
.lb{
  position:fixed;inset:0;z-index:200;background:rgba(5,13,24,.94);
  display:flex;align-items:center;justify-content:center;padding:34px;
  opacity:0;pointer-events:none;transition:opacity .28s;
}
.lb.is-open{opacity:1;pointer-events:auto}
.lb img{max-width:min(1200px,94vw);max-height:86vh;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb__cap{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#cfe0f5;font-size:.86rem;padding:0 24px}
.lb__x{position:absolute;top:20px;right:24px;width:46px;height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:#fff;font-size:1.3rem}
.lb__nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:#fff;font-size:1.4rem;display:grid;place-items:center}
.lb__nav--p{left:22px}.lb__nav--n{right:22px}

/* ---------- certs ---------- */
.certs{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.cert{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:10px;box-shadow:var(--sh-1);cursor:zoom-in;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.cert:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.cert img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:top;border-radius:6px;background:#f4f7fb}
.cert b{display:block;font-size:.76rem;font-weight:700;color:var(--ink-2);margin-top:9px;line-height:1.4}
.cert span{font-size:.68rem;color:var(--steel-2);font-weight:600}

/* ---------- material grid ---------- */
.mats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mat{
  position:relative;border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--sh-2);
  background:#0a1c33;transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.mat:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.mat img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s var(--ease)}
.mat:hover img{transform:scale(1.07)}
.mat__body{
  position:absolute;left:0;right:0;bottom:0;padding:34px 14px 12px;
  background:linear-gradient(0deg,rgba(6,16,30,.92) 12%,rgba(6,16,30,.55) 58%,transparent);
  color:#fff;
}
.mat__body b{display:block;font-size:.9rem;font-weight:700;letter-spacing:.01em}
.mat__body span{font-size:.73rem;color:#a9c2e0;font-weight:600}

/* ---------- stats / counters ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--sh-2)}
.stat{padding:32px 24px;border-right:1px solid var(--line);text-align:center;background:var(--grad-card)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:2.3rem;font-weight:800;letter-spacing:-.035em;line-height:1.05;color:var(--brand)}
.stat b i{font-style:normal;color:var(--accent)}
.stat span{font-size:.82rem;color:var(--steel);font-weight:650}

/* ---------- spec models ---------- */
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.model{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;
  box-shadow:var(--sh-2);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
  display:flex;flex-direction:column;
}
.model:hover{transform:translateY(-5px);box-shadow:var(--sh-3)}
.model__head{
  padding:22px 24px;background:linear-gradient(135deg,#0e2b50,#1a4fa0);color:#fff;
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
}
.model__head b{font-size:1.5rem;font-weight:800;letter-spacing:-.03em}
.model__head span{font-size:.74rem;color:#a9c2e0;font-weight:650;text-align:right}
.model__body{padding:22px 24px;display:grid;gap:13px;flex:1}
.model__row{display:flex;justify-content:space-between;gap:16px;font-size:.87rem;padding-bottom:11px;border-bottom:1px dashed var(--line)}
.model__row:last-child{border-bottom:0;padding-bottom:0}
.model__row dt{color:var(--steel);font-weight:600}
.model__row dd{margin:0;font-weight:700;color:var(--ink-2);text-align:right}
.model--hero .model__head{background:var(--grad-accent);color:#3a1d00}
.model--hero .model__head b{color:#2c1500}
.model--hero .model__head span{color:#6b3a05}
.model .btn{margin:0 24px 24px}

/* ---------- compare ---------- */
.compare-bars{display:grid;gap:18px;margin-top:34px}
.cbar{display:grid;grid-template-columns:200px 1fr;gap:18px;align-items:center}
.cbar__lb{font-size:.86rem;font-weight:700;color:var(--ink-2);display:grid;gap:2px}
.cbar__lb small{font-weight:600;color:var(--steel-2);font-size:.73rem}
.cbar__track{position:relative;height:36px;border-radius:10px;background:linear-gradient(90deg,#eef4fb,#e3edf9);overflow:hidden;border:1px solid var(--line-2)}
.cbar__fill{
  position:absolute;top:0;bottom:0;border-radius:9px;display:flex;align-items:center;
  padding:0 14px;color:#fff;font-size:.78rem;font-weight:700;white-space:nowrap;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 6px 16px rgba(26,79,160,.24);
}
.cbar__fill--accent{background:var(--grad-accent);color:#3a1d00;box-shadow:0 6px 16px rgba(240,138,30,.3)}
.cbar__fill--steel{background:linear-gradient(135deg,#5d7186,#8a9cb0)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.acc{
  border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .3s var(--ease),border-color .3s;
}
.acc.is-open{box-shadow:var(--sh-2);border-color:#c9d9ee}
.acc__q{
  width:100%;display:flex;align-items:flex-start;gap:16px;text-align:left;
  padding:20px 24px;background:none;border:0;color:var(--ink);font-weight:700;font-size:1rem;line-height:1.5;
}
.acc__q:hover{color:var(--brand)}
.acc__q i{
  flex:none;width:26px;height:26px;border-radius:8px;background:var(--brand-3);color:var(--brand);
  display:grid;place-items:center;font-style:normal;font-size:.86rem;font-weight:800;transition:transform .3s var(--ease),background .3s,color .3s;
}
.acc.is-open .acc__q i{transform:rotate(45deg);background:var(--brand);color:#fff}
.acc__a{max-height:0;overflow:hidden;transition:max-height .42s var(--ease)}
.acc__a-in{padding:0 24px 22px 66px;font-size:.93rem;color:var(--steel)}
.acc__a-in p{margin-bottom:.7em}
.acc__a-in ul{display:grid;gap:7px;margin:.5em 0}
.acc__a-in li{position:relative;padding-left:18px}
.acc__a-in li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;box-shadow:var(--sh-3);
}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:7px;margin-bottom:16px}
.field label{font-size:.82rem;font-weight:700;color:var(--ink-2);letter-spacing:.01em}
.field label i{color:var(--accent);font-style:normal}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius-xs);
  background:#fbfdff;font-size:.92rem;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--brand-2);background:#fff;box-shadow:0 0 0 4px rgba(47,118,210,.13);
}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:#e0503a;background:#fff6f4}
.field small{font-size:.72rem;color:var(--steel-2)}
.field .err{font-size:.75rem;color:#c8391f;font-weight:650;display:none}
.field.is-error .err{display:block}
.form__note{font-size:.78rem;color:var(--steel-2);margin-top:14px;line-height:1.6}
.form__ok{
  display:none;margin-top:16px;padding:14px 18px;border-radius:var(--radius-xs);
  background:#eafaf1;border:1px solid #b7e6cc;color:#136c45;font-size:.88rem;font-weight:650;
}
.form__ok.is-show{display:block}

.info-card{
  background:var(--grad-dark-2);border-radius:var(--radius);padding:34px;color:#cfe0f5;
  box-shadow:var(--sh-3);position:relative;overflow:hidden;
}
.info-card::after{
  content:"";position:absolute;width:320px;height:320px;right:-120px;bottom:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,118,210,.5),transparent 68%);
}
.info-card h3{color:#fff;margin-bottom:20px;position:relative}
.info-list{display:grid;gap:16px;position:relative}
.info-list li{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start}
.info-list .ic{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:var(--accent-2);
}
.info-list .ic svg{width:19px;height:19px}
.info-list b{display:block;font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:#93b1d6;font-weight:700;margin-bottom:3px}
.info-list a,.info-list span{color:#eaf2fb;font-size:.95rem;font-weight:650;line-height:1.5}
.info-list a:hover{color:var(--accent-2)}
.info-card__extra{
  position:relative;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:grid;gap:9px;font-size:.85rem;color:#b7cde8;
}
.info-card__extra b{color:#fff}

/* ---------- footer ---------- */
.foot{background:#07162a;color:#9fb8d6;padding:70px 0 0;font-size:.88rem;position:relative;overflow:hidden}
.foot::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,#000,transparent 70%);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 70%);
}
.foot__grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.1fr;gap:34px;padding-bottom:48px}
.foot h4{color:#fff;font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}
.foot__brand img{height:30px;filter:brightness(0) invert(1);margin-bottom:16px}
.foot__brand p{color:#8fa8c6;font-size:.86rem;line-height:1.7;max-width:36ch}
.foot ul{display:grid;gap:9px}
.foot ul a{color:#9fb8d6;font-size:.87rem}
.foot ul a:hover{color:var(--accent-2)}
.foot__bottom{
  position:relative;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.81rem;color:#7f99b8;
}
.foot__bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.foot__bottom a{color:#9fb8d6}
.foot__contact{display:grid;gap:11px}
.foot__contact li{display:flex;gap:10px;align-items:flex-start;font-size:.86rem}
.foot__contact svg{width:16px;height:16px;color:var(--accent);flex:none;margin-top:4px}
.foot__badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.foot__badges span{
  font-size:.68rem;font-weight:700;letter-spacing:.05em;padding:5px 10px;border-radius:6px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);color:#b7cde8;
}

/* ---------- floating ---------- */
.float{position:fixed;right:22px;bottom:26px;z-index:110;display:grid;gap:12px;justify-items:end}
.fab{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;border:0;
  box-shadow:0 14px 32px rgba(0,0,0,.26);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
  position:relative;
}
.fab:hover{transform:translateY(-4px) scale(1.04);box-shadow:0 20px 40px rgba(0,0,0,.32)}
.fab svg{width:26px;height:26px}
.fab--wa{background:#25d366;color:#fff}
.fab--top{background:#fff;color:var(--ink-2);width:48px;height:48px;opacity:0;pointer-events:none;transition:opacity .3s,transform .28s var(--ease)}
.fab--top svg{width:20px;height:20px}
.fab--top.is-show{opacity:1;pointer-events:auto}
.fab--wa::before{
  content:"";position:absolute;inset:0;border-radius:50%;background:#25d366;
  animation:pulse 2.4s ease-out infinite;z-index:-1;
}
@keyframes pulse{0%{transform:scale(1);opacity:.55}70%{transform:scale(1.6);opacity:0}100%{opacity:0}}
.fab__tip{
  position:absolute;right:70px;top:50%;transform:translateY(-50%) translateX(8px);
  background:var(--ink);color:#fff;font-size:.78rem;font-weight:650;padding:8px 13px;
  border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .22s,transform .22s;
}
.fab:hover .fab__tip{opacity:1;transform:translateY(-50%) translateX(0)}

/* mobile sticky action bar */
.mobar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:115;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-top:1px solid var(--line);box-shadow:0 -8px 26px rgba(10,28,51,.1)}
.mobar__in{display:grid;grid-template-columns:repeat(3,1fr)}
.mobar a{padding:12px 8px;text-align:center;font-size:.78rem;font-weight:700;color:var(--ink-2);display:grid;gap:3px;justify-items:center;border-right:1px solid var(--line)}
.mobar a:last-child{border-right:0}
.mobar a svg{width:19px;height:19px;color:var(--brand)}
.mobar a.is-wa svg{color:#25d366}

/* ---------- to-top / utility ---------- */
.tag{
  display:inline-block;padding:5px 11px;border-radius:100px;background:var(--brand-3);
  color:var(--brand);font-size:.72rem;font-weight:750;letter-spacing:.04em;text-transform:uppercase;
}
.tag--accent{background:var(--accent-soft);color:#b1560a}
.tag--ghost{background:rgba(255,255,255,.1);color:#dbe8f7;border:1px solid rgba(255,255,255,.16)}
.hr{height:1px;background:var(--line);margin:44px 0;border:0}
.note-box{
  border:1px solid #cfe0f6;background:linear-gradient(180deg,#f6faff,#eef6ff);border-radius:var(--radius);
  padding:22px 26px;font-size:.9rem;color:var(--ink-3);
}
.note-box b{color:var(--brand)}
.warn-box{
  border:1px solid #fbd9b0;background:linear-gradient(180deg,#fffbf5,#fff5e9);border-radius:var(--radius);
  padding:22px 26px;font-size:.9rem;color:#7a4a10;
}
.warn-box b{color:#a8560a}
.two-col{columns:2;column-gap:34px}
.two-col li{break-inside:avoid}

/* reveal animation */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.is-in{opacity:1;transform:none}
.rv-d1{transition-delay:.07s}.rv-d2{transition-delay:.14s}.rv-d3{transition-delay:.21s}
.rv-d4{transition-delay:.28s}.rv-d5{transition-delay:.35s}.rv-d6{transition-delay:.42s}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .hero__render{animation:none}
  .fab--wa::before{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .nav__tag{display:none}
}
@media (max-width:1180px){
  .nav__links a{padding:8px;font-size:.81rem}
  .foot__grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
  .certs{grid-template-columns:repeat(4,1fr)}
  .gal{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1024px){
  :root{--nav-h:66px}
  .sec{padding:76px 0}
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex}
  .hero__grid{grid-template-columns:1fr;gap:40px;padding-bottom:48px}
  .hero__visual{max-width:620px;margin:0 auto}
  .g-2-1,.g-1-2{grid-template-columns:1fr;gap:38px}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .mats{grid-template-columns:repeat(3,1fr)}
  .models{grid-template-columns:1fr;gap:18px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .cbar{grid-template-columns:150px 1fr;gap:14px}
  .certs{grid-template-columns:repeat(3,1fr)}
  .two-col{columns:1}
}
@media (max-width:820px){
  .g-3{grid-template-columns:1fr}
  .flow__step{grid-template-columns:56px 1fr;gap:18px}
  .flow__no{width:56px;height:46px;font-size:.92rem}
  .flow__step::before{left:27px;top:58px}
  .gal{grid-template-columns:repeat(2,1fr)}
  .gal__item--wide{grid-column:span 2}
  .gal__item--wide img{aspect-ratio:16/9}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .hero__stats .wrap{grid-template-columns:repeat(2,1fr)}
  .hero__stat:nth-child(2){border-right:0}
  .hero__stat:nth-child(1),.hero__stat:nth-child(2){border-bottom:1px solid rgba(255,255,255,.13)}
  .foot__grid{grid-template-columns:1fr 1fr;gap:28px}
  .fig-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .sec{padding:60px 0}
  .sec--tight{padding:46px 0}
  .wrap{padding:0 18px}
  .g-2{grid-template-columns:1fr;gap:18px}
  .g-4{grid-template-columns:1fr}
  .mats{grid-template-columns:repeat(2,1fr)}
  .certs{grid-template-columns:repeat(2,1fr)}
  .hero{padding-top:calc(var(--nav-h) + 52px)}
  .hero__badge--1{left:-4px;padding:10px 13px}
  .hero__badge--2{right:-4px}
  .hero__badge b{font-size:.94rem}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .form{padding:22px}
  .form__row{grid-template-columns:1fr}
  .acc__a-in{padding-left:24px}
  .acc__q{padding:17px 18px;font-size:.94rem}
  .cbar{grid-template-columns:1fr;gap:8px}
  .gal{grid-template-columns:1fr}
  .gal__item--wide{grid-column:auto}
  .fig-grid{grid-template-columns:1fr}
  .foot{padding-top:52px}
  .foot__grid{grid-template-columns:1fr;gap:26px}
  .float{bottom:76px;right:16px}
  .mobar{display:block}
  .hero__stats .wrap{grid-template-columns:1fr 1fr}
  .table-wrap{border-radius:var(--radius-sm)}
  table{font-size:.84rem;min-width:560px}
  thead th,tbody td{padding:11px 13px}
  .sec-head{margin-bottom:34px}
  .foot__bottom{padding-bottom:70px}
}

/* print */
@media print{
  .nav,.drawer,.drawer-backdrop,.float,.mobar,.lb{display:none!important}
  .sec{padding:24px 0;page-break-inside:avoid}
  body{color:#000}
}