/* ============================================================
   VAMBOO LIFTS - Premium Elevator Solutions
   Design system + layout + motion
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root{
  --ink:        #0E1219;
  --ink-2:      #141A24;
  --surface:    #1A212C;
  --surface-2:  #222A38;
  --elev:       #2A3342;

  --line:       rgba(255,255,255,.10);
  --line-2:     rgba(255,255,255,.19);

  --white:      #F6F8FA;
  --steel:      #B6BECB;
  --steel-dim:  #838E9D;

  --orange:     #EF7C00;   /* exact brand orange from logo.pdf */
  --orange-lt:  #FF9A2E;
  --orange-dk:  #C25F00;
  --amber:      #FFC061;
  --azure:      #4EA8FF;

  --grad-orange: linear-gradient(135deg,#FF9A2E 0%,#EF7C00 45%,#CF6300 100%);
  --grad-steel:  linear-gradient(160deg,#394354 0%,#1A212C 100%);
  --grad-fade:   linear-gradient(180deg,rgba(14,18,25,0) 0%,rgba(14,18,25,.92) 70%,#0E1219 100%);

  /* glass card surface used across the site */
  --glass:       linear-gradient(160deg,rgba(255,255,255,.075) 0%,rgba(255,255,255,.022) 55%,rgba(255,255,255,.045) 100%);
  --glass-hover: linear-gradient(160deg,rgba(255,255,255,.115) 0%,rgba(255,255,255,.04) 55%,rgba(255,255,255,.07) 100%);

  --font-display: 'Sora', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;

  --pad-x: clamp(20px, 5vw, 84px);
  --sect-y: clamp(58px, 7vw, 116px);

  --ease: cubic-bezier(.22,1,.36,1);
  --ease-io: cubic-bezier(.65,.05,.36,1);

  --maxw: 1360px;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; overflow-x:clip; }
html.has-smooth{ scroll-behavior:auto; }
body{
  margin:0;
  background:var(--ink);
  color:var(--white);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:clip;
}
body.is-locked{ overflow:hidden; height:100vh; }
img,svg,video{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,h5{ font-family:var(--font-display); font-weight:600; margin:0; line-height:1.08; letter-spacing:-.025em; }
p{ margin:0; }
::selection{ background:var(--orange); color:#fff; }

:focus-visible{ outline:2px solid var(--orange-lt); outline-offset:3px; border-radius:4px; }

/* ---------- 3. Utilities ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--pad-x); }

/* image slot: <figure class="imgslot"><img …><div class="ph">…</div></figure>
   If the image file is missing the <img> removes itself and the styled
   placeholder underneath shows the expected filename. */
.imgslot{ position:relative; overflow:hidden; margin:0; }
.imgslot img{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; z-index:1;
}
.imgslot > .ph{ z-index:0; }
.tech__visual figcaption{ z-index:2; }
.section{ padding-block:var(--sect-y); position:relative; }
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-size:11.5px; font-weight:600; letter-spacing:.22em; text-transform:uppercase;
  color:var(--orange-lt); margin-bottom:22px;
}
.eyebrow::before{
  content:""; width:26px; height:1px; background:var(--orange); opacity:.8;
}
.h-xl{ font-size:clamp(2.1rem,5vw,4.2rem); }
.h-lg{ font-size:clamp(1.7rem,3.4vw,2.75rem); }
.h-md{ font-size:clamp(1.28rem,2vw,1.72rem); }
.h-sm{ font-size:clamp(1.05rem,1.35vw,1.22rem); }
.lead{ font-size:clamp(.94rem,1.05vw,1.02rem); color:var(--steel); max-width:62ch; }
.muted{ color:var(--steel-dim); }
.accent{ color:var(--orange); }
.center{ text-align:center; }
.grad-text{
  background:var(--grad-orange); -webkit-background-clip:text; background-clip:text;
  color:transparent;
}

/* section heading block */
.sect-head{ max-width:820px; margin-bottom:clamp(32px,3.6vw,54px); }
.sect-head.center{ margin-inline:auto; }
.sect-head .lead{ margin-top:22px; }
.sect-head.center .lead{ margin-inline:auto; }

/* ---------- 4. Buttons ---------- */
.btn{
  --bg:#E06F00;
  position:relative; display:inline-flex; align-items:center; gap:10px;
  padding:15px 28px; border-radius:100px;
  font-family:var(--font-display); font-size:14.5px; font-weight:600; letter-spacing:-.01em;
  background:var(--bg); color:#fff; overflow:hidden; isolation:isolate;
  transition:transform .45s var(--ease), box-shadow .45s var(--ease), color .3s;
  will-change:transform;
}
.btn::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:var(--grad-orange); opacity:0; transition:opacity .4s var(--ease);
}
.btn:hover{ transform:translateY(-3px); box-shadow:0 16px 40px -14px rgba(239,124,0,.75); }
.btn:hover::before{ opacity:1; }
.btn svg{ transition:transform .45s var(--ease); }
.btn:hover svg{ transform:translateX(4px); }

.btn--ghost{
  background:transparent; border:1px solid var(--line-2); color:var(--white);
}
.btn--ghost::before{ background:rgba(255,255,255,.07); }
.btn--ghost:hover{ box-shadow:none; border-color:var(--line-2); }

.btn--wa{ background:#25D366; }
.btn--wa::before{ background:#1EBE5A; }
.btn--wa:hover{ box-shadow:0 16px 40px -14px rgba(37,211,102,.6); }

.btn--lg{ padding:18px 34px; font-size:15.5px; }

/* text link with underline sweep */
.tlink{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-display); font-weight:600; font-size:14px;
  color:var(--white); position:relative; padding-bottom:3px;
}
.tlink::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:100%;
  background:var(--orange); transform-origin:right; transform:scaleX(0);
  transition:transform .5s var(--ease);
}
.tlink:hover::after{ transform-origin:left; transform:scaleX(1); }
.tlink svg{ transition:transform .45s var(--ease); }
.tlink:hover svg{ transform:translate(3px,-3px); }

/* ---------- 5. Preloader ---------- */
.preloader{
  position:fixed; inset:0; z-index:9999; background:var(--ink);
  display:grid; place-items:center; overflow:hidden;
}
.preloader__door{
  position:absolute; top:0; bottom:0; width:50.5%;
  background:linear-gradient(180deg,#14171D 0%,#0A0C0F 100%);
  transition:transform 1.05s cubic-bezier(.76,0,.24,1);
}
.preloader__door::after{
  content:""; position:absolute; top:0; bottom:0; width:1px;
  background:linear-gradient(180deg,transparent,rgba(239,124,0,.6),transparent);
}
.preloader__door--l{ left:0; } .preloader__door--l::after{ right:0; }
.preloader__door--r{ right:0; } .preloader__door--r::after{ left:0; }
.preloader__inner{
  position:relative; z-index:2; text-align:center;
  transition:opacity .45s ease, transform .45s ease;
}
.preloader__mark{
  font-family:var(--font-display); font-weight:700; font-size:clamp(1.4rem,3vw,1.9rem);
  letter-spacing:-.04em;
}
.preloader__mark span{ color:var(--orange); }
.preloader__bar{
  width:190px; height:2px; background:rgba(255,255,255,.1);
  margin:20px auto 12px; overflow:hidden; border-radius:2px;
}
.preloader__bar i{ display:block; height:100%; width:0; background:var(--grad-orange); }
.preloader__num{
  font-family:var(--font-display); font-size:12px; letter-spacing:.3em; color:var(--steel-dim);
}
.preloader.is-done .preloader__inner{ opacity:0; transform:translateY(-14px); }
.preloader.is-done .preloader__door--l{ transform:translateX(-100%); }
.preloader.is-done .preloader__door--r{ transform:translateX(100%); }
.preloader.is-hidden{ pointer-events:none; visibility:hidden; }

/* ---------- 6. Cursor ---------- */
.cursor{
  position:fixed; top:0; left:0; z-index:9998; pointer-events:none;
  width:8px; height:8px; border-radius:50%; background:var(--orange);
  transform:translate(-50%,-50%); mix-blend-mode:normal;
  transition:width .35s var(--ease), height .35s var(--ease), background .35s;
}
.cursor__ring{
  position:fixed; top:0; left:0; z-index:9997; pointer-events:none;
  width:36px; height:36px; border-radius:50%; border:1px solid rgba(239,124,0,.5);
  transform:translate(-50%,-50%);
  transition:width .4s var(--ease), height .4s var(--ease), border-color .4s, opacity .3s;
}
body.cursor-hot .cursor{ width:0; height:0; }
body.cursor-hot .cursor__ring{ width:64px; height:64px; border-color:var(--orange); background:rgba(239,124,0,.12); }
@media (pointer:coarse){ .cursor,.cursor__ring{ display:none; } }

/* ---------- 7. Header ---------- */
.header{
  position:fixed; top:0; left:0; right:0; z-index:900;
  padding-block:18px;
  transition:transform .6s var(--ease), background .5s ease, padding .5s ease, border-color .5s;
  border-bottom:1px solid transparent;
}
.header.is-stuck{
  background:rgba(8,9,11,.82);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom-color:var(--line);
  padding-block:12px;
}
.header.is-hidden{ transform:translateY(-105%); }
.header__in{
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.logo{ display:flex; align-items:center; gap:11px; flex-shrink:0; }
.logo__img{ height:50px; width:auto; display:block; transition:height .5s var(--ease); }
.header.is-stuck .logo__img{ height:42px; }
.logo--lg .logo__img{ height:78px; }
.preloader__logo{ height:74px; width:auto; margin-inline:auto; display:block; }
.logo__mark{
  width:38px; height:38px; border-radius:10px; background:var(--grad-orange);
  display:grid; place-items:center; box-shadow:0 8px 24px -10px rgba(239,124,0,.9);
}
.logo__mark svg{ width:20px; height:20px; }
.logo__txt{ line-height:1.05; display:block; }
.logo__name{ display:block; font-family:var(--font-display); font-weight:700; font-size:19px; letter-spacing:-.045em; }
.logo__name em{ font-style:normal; color:var(--orange); }
.logo__name i{ font-style:normal; color:var(--orange); }
.logo__tag{ display:block; font-size:9.5px; letter-spacing:.2em; text-transform:uppercase; color:var(--steel-dim); margin-top:2px; }

.header__in{ min-width:0; }
.nav{ display:flex; align-items:center; gap:2px; min-width:0; }
.nav a{
  position:relative; padding:9px 12px; border-radius:100px; white-space:nowrap;
  font-size:13.5px; font-weight:500; color:var(--steel);
  transition:color .3s ease, background .3s ease;
}
.nav a::after{
  content:""; position:absolute; left:50%; bottom:3px; width:0; height:2px;
  background:var(--orange); border-radius:2px; transform:translateX(-50%);
  transition:width .4s var(--ease);
}
.nav a:hover{ color:var(--white); }
.nav a:hover::after, .nav a.is-active::after{ width:16px; }
.nav a.is-active{ color:var(--white); }

.header__cta{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.header__phone{
  display:inline-flex; align-items:center; gap:9px; padding:9px 16px;
  border:1px solid var(--line-2); border-radius:100px;
  font-family:var(--font-display); font-size:13.5px; font-weight:600;
  transition:border-color .3s, background .3s;
}
.header__phone:hover{ border-color:var(--orange); background:rgba(239,124,0,.1); }
.header__phone svg{ width:15px; height:15px; color:var(--orange); }

.burger{
  display:none; width:44px; height:44px; border-radius:12px;
  border:1px solid var(--line-2); place-items:center;
}
.burger span{
  display:block; width:18px; height:1.5px; background:var(--white); border-radius:2px;
  transition:transform .45s var(--ease), opacity .3s;
}
.burger span+span{ margin-top:5px; }
body.menu-open .burger span:nth-child(1){ transform:translateY(6.5px) rotate(45deg); }
body.menu-open .burger span:nth-child(2){ opacity:0; }
body.menu-open .burger span:nth-child(3){ transform:translateY(-6.5px) rotate(-45deg); }

/* mobile drawer */
.drawer{
  position:fixed; inset:0; z-index:890; background:var(--ink-2);
  padding:104px var(--pad-x) 40px;
  transform:translateY(-100%); opacity:0; visibility:hidden;
  transition:transform .7s var(--ease), opacity .4s ease, visibility .7s;
  overflow-y:auto;
}
body.menu-open .drawer{ transform:translateY(0); opacity:1; visibility:visible; }
.drawer a.drawer__link{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 0; border-bottom:1px solid var(--line);
  font-family:var(--font-display); font-size:19px; font-weight:600; letter-spacing:-.03em;
  opacity:0; transform:translateY(18px);
}
body.menu-open .drawer__link{ animation:drawerIn .6s var(--ease) forwards; }
@keyframes drawerIn{ to{ opacity:1; transform:none; } }
.drawer__link i{ font-style:normal; font-size:12px; color:var(--steel-dim); font-family:var(--font-body); }
.drawer__foot{ margin-top:34px; display:grid; gap:12px; }

/* ---------- 8. Hero ---------- */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:flex-end;
  padding-bottom:clamp(48px,7vw,88px); padding-top:140px; overflow:hidden;
}
.hero__bg{ position:absolute; inset:0; z-index:0; will-change:transform; transform-origin:center top; }
.hero__bg img{ width:100%; height:100%; object-fit:cover; opacity:.42; }
.hero__bg::after{
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(120% 80% at 78% 12%, rgba(239,124,0,.24) 0%, transparent 58%),
    linear-gradient(180deg, rgba(8,9,11,.86) 0%, rgba(8,9,11,.55) 35%, rgba(8,9,11,.96) 92%);
}
/* elevator shaft lines */
.shaft{ position:absolute; inset:0; z-index:1; pointer-events:none; overflow:hidden; }
.shaft i{
  position:absolute; top:-20%; bottom:-20%; width:1px;
  background:linear-gradient(180deg,transparent,rgba(255,255,255,.13) 30%,rgba(255,255,255,.13) 70%,transparent);
}
.shaft i:nth-child(1){ left:14%; } .shaft i:nth-child(2){ left:32%; }
.shaft i:nth-child(3){ left:50%; } .shaft i:nth-child(4){ left:68%; }
.shaft i:nth-child(5){ left:86%; }
.shaft b{
  position:absolute; width:2px; height:120px; left:50%; border-radius:2px;
  background:linear-gradient(180deg,transparent,var(--orange),transparent);
  animation:shaftRun 5.5s var(--ease-io) infinite;
  opacity:.7;
}
.shaft b:nth-of-type(1){ left:14%; animation-delay:0s; }
.shaft b:nth-of-type(2){ left:68%; animation-delay:2.4s; }
.shaft b:nth-of-type(3){ left:86%; animation-delay:3.8s; }
@keyframes shaftRun{
  0%{ transform:translateY(-140px); opacity:0; }
  12%{ opacity:.85; }
  80%{ opacity:.85; }
  100%{ transform:translateY(105vh); opacity:0; }
}

.hero__in{ position:relative; z-index:3; width:100%; }
.hero__badge{
  display:inline-flex; align-items:center; gap:10px; padding:7px 15px 7px 8px;
  border:1px solid var(--line-2); border-radius:100px; background:rgba(255,255,255,.04);
  backdrop-filter:blur(8px); font-size:12.5px; color:var(--steel); margin-bottom:28px;
}
.hero__badge b{
  display:inline-block; padding:3px 10px; border-radius:100px;
  background:var(--orange); color:#fff; font-size:10.5px; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
}
.hero h1{ font-size:clamp(2rem,5.2vw,4.3rem); font-weight:700; letter-spacing:-.04em; }
.hero h1 em{ font-style:normal; display:block; }
.hero__sub{
  margin-top:22px; max-width:56ch; font-size:clamp(.95rem,1.1vw,1.05rem); color:var(--steel);
}
.hero__actions{ margin-top:38px; display:flex; flex-wrap:wrap; gap:14px; }

.hero__stats{
  margin-top:clamp(46px,6vw,76px); padding-top:30px; border-top:1px solid var(--line);
  display:grid; grid-template-columns:repeat(4,1fr); gap:26px;
}
.stat__n{
  font-family:var(--font-display); font-weight:700; font-size:clamp(1.5rem,2.4vw,2.05rem);
  letter-spacing:-.04em; line-height:1;
}
.stat__n sup{ font-size:.45em; color:var(--orange); top:-.7em; }
.stat__l{ margin-top:8px; font-size:12.5px; color:var(--steel-dim); letter-spacing:.04em; }

.scroll-cue{
  position:absolute; left:50%; bottom:26px; transform:translateX(-50%); z-index:4;
  display:grid; place-items:center; gap:9px; font-size:10px; letter-spacing:.25em;
  text-transform:uppercase; color:var(--steel-dim);
}
.scroll-cue i{
  display:block; width:1px; height:44px; background:rgba(255,255,255,.16); position:relative; overflow:hidden;
}
.scroll-cue i::after{
  content:""; position:absolute; inset:0; background:var(--orange);
  animation:cueRun 2.2s var(--ease-io) infinite;
}
@keyframes cueRun{ 0%{ transform:translateY(-100%); } 60%,100%{ transform:translateY(100%); } }

/* ---------- 9. Marquee ---------- */
.marquee{
  border-block:1px solid var(--line); padding-block:20px; overflow:hidden;
  background:var(--ink-2);
}
.marquee__track{ display:flex; gap:56px; width:max-content; animation:marq 38s linear infinite; }
.marquee:hover .marquee__track{ animation-play-state:paused; }
@keyframes marq{ to{ transform:translateX(-50%); } }
.marquee__item{
  display:flex; align-items:center; gap:14px; font-family:var(--font-display);
  font-size:clamp(.95rem,1.5vw,1.15rem); font-weight:600; color:var(--steel-dim);
  letter-spacing:-.02em; white-space:nowrap;
}
.marquee__item::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--orange); }

/* ---------- 10. Reveal system ---------- */
[data-reveal]{ opacity:0; transform:translateY(34px); }
[data-reveal].is-in{
  opacity:1; transform:none;
  transition:opacity .9s var(--ease), transform 1s var(--ease);
  transition-delay:var(--d,0ms);
}
[data-reveal="fade"]{ transform:none; }
[data-reveal="left"]{ transform:translateX(-40px); }
[data-reveal="right"]{ transform:translateX(40px); }
[data-reveal="scale"]{ transform:scale(.93); }
[data-reveal="clip"]{ opacity:1; clip-path:inset(0 0 100% 0); transform:none; }
[data-reveal="clip"].is-in{ clip-path:inset(0 0 0 0); transition:clip-path 1.2s var(--ease); transition-delay:var(--d,0ms); }

/* line-mask heading */
.mask-line{ display:block; overflow:hidden; }
.mask-line > span{
  display:block; transform:translateY(105%);
  transition:transform 1.05s var(--ease); transition-delay:var(--d,0ms);
}
.is-in .mask-line > span, .mask-line.is-in > span{ transform:none; }

/* ---------- 11. About ---------- */
.about{ background:var(--ink); position:relative; }
.about__grid{
  display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(40px,6vw,90px); align-items:center;
}
.about__media{ position:relative; }
.about__frame{
  position:relative; border-radius:var(--r-lg); overflow:hidden; aspect-ratio:4/5;
  background:var(--grad-steel); border:1px solid var(--line);
}
.about__frame img{ width:100%; height:100%; object-fit:cover; }
.about__badge{
  position:absolute; right:-14px; bottom:34px; z-index:3;
  background:var(--grad-orange); color:#fff; border-radius:var(--r-md);
  padding:20px 24px; box-shadow:0 24px 60px -20px rgba(239,124,0,.85);
  min-width:170px;
}
.about__badge b{ display:block; font-family:var(--font-display); font-size:1.7rem; font-weight:700; line-height:1; letter-spacing:-.04em; }
.about__badge span{ display:block; margin-top:6px; font-size:12px; opacity:.9; letter-spacing:.06em; }

.about__points{ margin-top:34px; display:grid; gap:1px; background:var(--line); border-radius:var(--r-md); overflow:hidden; }
.about__point{
  background:var(--surface); padding:20px 22px; display:flex; gap:16px; align-items:flex-start;
  transition:background .4s ease;
}
.about__point:hover{ background:var(--surface-2); }
.about__point i{
  flex-shrink:0; width:34px; height:34px; border-radius:9px; display:grid; place-items:center;
  background:rgba(239,124,0,.13); color:var(--orange);
}
.about__point i svg{ width:17px; height:17px; }
.about__point h4{ font-size:15px; font-weight:600; letter-spacing:-.01em; }
.about__point p{ font-size:13.5px; color:var(--steel-dim); margin-top:4px; line-height:1.55; }

/* ---------- 12. Solutions cards ---------- */
.sol__grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
}
.sol{
  position:relative; border:1px solid var(--line); border-radius:var(--r-lg);
  background:var(--surface); overflow:hidden; min-height:330px;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:28px; isolation:isolate;
  transition:transform .6s var(--ease), border-color .5s ease;
}
.sol::before{
  content:""; position:absolute; inset:0; z-index:-2;
  background:var(--grad-steel);
}
.sol__img{
  position:absolute; inset:0; z-index:-1; opacity:.34;
  transition:opacity .7s var(--ease), transform 1.1s var(--ease);
}
.sol__img img{ width:100%; height:100%; object-fit:cover; }
.sol::after{
  content:""; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(180deg,rgba(8,9,11,.15) 0%,rgba(8,9,11,.86) 62%,rgba(8,9,11,.97) 100%);
}
.sol:hover{ transform:translateY(-8px); border-color:rgba(239,124,0,.42); }
.sol:hover .sol__img{ opacity:.55; transform:scale(1.07); }
.sol__num{
  position:absolute; top:24px; left:28px; font-family:var(--font-display);
  font-size:12px; font-weight:600; letter-spacing:.2em; color:var(--orange);
}
.sol__ico{
  position:absolute; top:20px; right:24px; width:40px; height:40px; border-radius:11px;
  display:grid; place-items:center; background:rgba(255,255,255,.06); border:1px solid var(--line);
  color:var(--orange-lt); transition:background .4s, transform .5s var(--ease);
}
.sol:hover .sol__ico{ background:var(--orange); color:#fff; transform:rotate(-8deg) scale(1.05); }
.sol__ico svg{ width:19px; height:19px; }
.sol h3{ font-size:1.14rem; }
.sol p{ margin-top:10px; font-size:14px; color:var(--steel); line-height:1.6; }
.sol__tags{ margin-top:16px; display:flex; flex-wrap:wrap; gap:7px; }
.sol__tags span{
  font-size:11px; padding:4px 10px; border-radius:100px;
  border:1px solid var(--line-2); color:var(--steel-dim);
}

/* ---------- 13. Cabins (tabs) ---------- */
.cabins{ background:var(--ink-2); border-block:1px solid var(--line); }
.tabs{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:36px; }
.tab{
  padding:10px 20px; border-radius:100px; border:1px solid var(--line);
  font-family:var(--font-display); font-size:13.5px; font-weight:500; color:var(--steel-dim);
  transition:all .4s var(--ease);
}
.tab:hover{ color:var(--white); border-color:var(--line-2); }
.tab.is-active{ background:var(--orange); border-color:var(--orange); color:#fff; }

.panel{ display:none; }
.panel.is-active{ display:block; animation:panelIn .7s var(--ease); }
@keyframes panelIn{ from{ opacity:0; transform:translateY(18px); } to{ opacity:1; transform:none; } }

.cabin__grid{
  display:grid; grid-template-columns:1fr 1fr; gap:clamp(30px,5vw,70px); align-items:center;
}
.cabin__visual{
  position:relative; border-radius:var(--r-lg); overflow:hidden; aspect-ratio:4/3.2;
  border:1px solid var(--line); background:var(--grad-steel);
}
.cabin__visual img{ width:100%; height:100%; object-fit:cover; }
.cabin__visual::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(200deg,rgba(239,124,0,.14),transparent 55%);
  pointer-events:none;
}
.cabin__label{
  position:absolute; left:18px; bottom:18px; z-index:2;
  padding:8px 16px; border-radius:100px; font-size:12px; font-weight:600;
  background:rgba(8,9,11,.7); backdrop-filter:blur(10px); border:1px solid var(--line-2);
}
.spec{ margin-top:26px; display:grid; gap:1px; background:var(--line); border-radius:var(--r-md); overflow:hidden; }
.spec li{
  background:var(--ink); padding:14px 18px; display:flex; gap:14px; align-items:flex-start;
  font-size:14px; color:var(--steel);
}
.spec li::before{
  content:""; flex-shrink:0; width:6px; height:6px; margin-top:8px; border-radius:50%;
  background:var(--orange);
}
.spec li strong{ color:var(--white); font-weight:600; }

/* ---------- 14. Doors ---------- */
.doors__grid{
  display:grid; grid-template-columns:repeat(5,1fr); gap:14px;
}
.door{
  position:relative; aspect-ratio:3/4.1; border-radius:var(--r-md); overflow:hidden;
  border:1px solid var(--line); background:var(--grad-steel); isolation:isolate;
  transition:border-color .5s ease, transform .6s var(--ease);
}
.door img{ width:100%; height:100%; object-fit:cover; opacity:.62; transition:opacity .6s, transform 1s var(--ease); }
.door:hover{ border-color:rgba(239,124,0,.5); transform:translateY(-6px); }
.door:hover img{ opacity:.9; transform:scale(1.06); }
/* sliding door leaves */
.door__leaf{
  position:absolute; top:0; bottom:0; width:50.5%; z-index:2;
  background:linear-gradient(180deg,rgba(20,23,29,.72),rgba(10,12,15,.86));
  backdrop-filter:saturate(60%) brightness(.75);
  -webkit-backdrop-filter:saturate(60%) brightness(.75);
  transition:transform .85s cubic-bezier(.76,0,.24,1);
}
.door__leaf--l{ left:0; border-right:1px solid rgba(239,124,0,.35); }
.door__leaf--r{ right:0; }
.door:hover .door__leaf--l, .door.is-open .door__leaf--l{ transform:translateX(-101%); }
.door:hover .door__leaf--r, .door.is-open .door__leaf--r{ transform:translateX(101%); }
.door.is-open img{ opacity:.9; }
.door__leaf::after{
  content:""; position:absolute; top:50%; width:26px; height:1px; background:var(--line-2);
}
.door__leaf--l::after{ right:12px; } .door__leaf--r::after{ left:12px; }
.door__cap{
  position:absolute; left:0; right:0; bottom:0; z-index:3; padding:16px;
  background:linear-gradient(180deg,transparent,rgba(8,9,11,.94));
}
.door__cap h4{ font-size:14.5px; font-weight:600; }
.door__cap span{ display:block; margin-top:3px; font-size:11.5px; color:var(--steel-dim); }

/* ---------- 15. Technology (drive systems) ---------- */
.tech{ background:var(--ink); }
.tech__grid{ display:grid; grid-template-columns:1.18fr .82fr; gap:clamp(34px,4vw,56px); align-items:start; }
.tech__list{ display:grid; gap:12px; }
.tech__item{
  border:1px solid var(--line); border-radius:var(--r-md); background:var(--surface);
  overflow:hidden; transition:border-color .45s ease, background .45s ease;
}
.tech__item.is-open{ border-color:rgba(239,124,0,.42); background:var(--surface-2); }
.tech__head{
  width:100%; display:flex; align-items:center; gap:16px; padding:20px 22px; text-align:left;
}
.tech__head b{
  font-family:var(--font-display); font-size:11.5px; color:var(--orange); letter-spacing:.16em;
}
.tech__head h3{ font-size:1.01rem; flex:1; font-weight:600; }
.tech__head i{
  position:relative; width:28px; height:28px; border-radius:50%; border:1px solid var(--line-2);
  display:grid; place-items:center; flex-shrink:0; transition:transform .5s var(--ease), background .4s;
}
.tech__head i::before, .tech__head i::after{
  content:""; position:absolute; background:var(--white); border-radius:2px;
}
.tech__head i::before{ width:11px; height:1.5px; }
.tech__head i::after{ width:1.5px; height:11px; transition:transform .5s var(--ease); }
.tech__item.is-open .tech__head i{ background:var(--orange); border-color:var(--orange); transform:rotate(90deg); }
.tech__item.is-open .tech__head i::after{ transform:scaleY(0); }
.tech__body{ display:grid; grid-template-rows:0fr; transition:grid-template-rows .6s var(--ease); }
.tech__item.is-open .tech__body{ grid-template-rows:1fr; }
.tech__body > div{ overflow:hidden; }
.tech__body p{ padding:0 22px 4px; font-size:14px; color:var(--steel); }
.tech__opts{ padding:16px 22px 22px; display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.tech__opts h5{ font-size:10.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--orange-lt); margin-bottom:9px; }
.tech__opts li{ font-size:12.5px; color:var(--steel-dim); padding:3px 0; }

.tech__visual{
  position:relative; border-radius:var(--r-lg); overflow:hidden; aspect-ratio:1/1.05;
  border:1px solid var(--line); background:var(--grad-steel); position:sticky; top:110px;
}
.tech__visual img{ width:100%; height:100%; object-fit:cover; opacity:.85; }
.tech__visual figcaption{
  position:absolute; left:20px; bottom:20px; right:20px;
  font-size:12px; color:var(--steel); background:rgba(8,9,11,.72);
  backdrop-filter:blur(10px); padding:12px 16px; border-radius:var(--r-sm);
  border:1px solid var(--line);
}

/* ---------- 16. Components strip ---------- */
.comp{ background:var(--ink-2); border-block:1px solid var(--line); }
.comp__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.comp__card{
  border:1px solid var(--line); border-radius:var(--r-lg); padding:28px;
  background:var(--surface); position:relative; overflow:hidden;
  transition:transform .55s var(--ease), border-color .5s;
}
.comp__card::after{
  content:""; position:absolute; top:0; left:0; right:0; height:2px;
  background:var(--grad-orange); transform:scaleX(0); transform-origin:left;
  transition:transform .6s var(--ease);
}
.comp__card:hover{ transform:translateY(-6px); border-color:var(--line-2); }
.comp__card:hover::after{ transform:scaleX(1); }
.comp__ico{
  width:46px; height:46px; border-radius:13px; display:grid; place-items:center;
  background:rgba(239,124,0,.12); color:var(--orange); margin-bottom:18px;
}
.comp__ico svg{ width:22px; height:22px; }
.comp__card h3{ font-size:.99rem; }
.comp__card p{ margin-top:9px; font-size:13.5px; color:var(--steel-dim); line-height:1.6; }
.comp__card ul{ margin-top:14px; display:grid; gap:6px; }
.comp__card ul li{ font-size:12.5px; color:var(--steel); padding-left:14px; position:relative; }
.comp__card ul li::before{
  content:""; position:absolute; left:0; top:8px; width:5px; height:5px;
  border-radius:50%; background:var(--orange); opacity:.8;
}

/* ---------- 17. Why / features ---------- */
.why__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border-radius:var(--r-lg); overflow:hidden; border:1px solid var(--line); }
.why__cell{
  background:var(--ink); padding:34px 28px; min-height:230px;
  display:flex; flex-direction:column; justify-content:space-between;
  transition:background .5s ease;
}
.why__cell:hover{ background:var(--surface-2); }
.why__cell i{
  width:42px; height:42px; border-radius:12px; display:grid; place-items:center;
  background:rgba(239,124,0,.12); color:var(--orange);
}
.why__cell i svg{ width:20px; height:20px; }
.why__cell h3{ font-size:.97rem; margin-top:22px; }
.why__cell p{ margin-top:9px; font-size:13.5px; color:var(--steel-dim); line-height:1.6; }

/* ---------- 18. Process ---------- */
.process{ background:var(--ink); }
.process__grid{ display:grid; grid-template-columns:.8fr 1.2fr; gap:clamp(34px,6vw,90px); align-items:start; }
.process__sticky{ position:sticky; top:120px; }
.process__steps{ display:grid; gap:0; }
.pstep{
  display:grid; grid-template-columns:auto 1fr; gap:26px;
  padding:30px 0; border-bottom:1px solid var(--line); position:relative;
}
.pstep:first-child{ border-top:1px solid var(--line); }
.pstep__n{
  font-family:var(--font-display); font-size:13px; font-weight:600; color:var(--orange);
  letter-spacing:.12em; padding-top:5px;
}
.pstep h3{ font-size:1.1rem; transition:color .4s; }
.pstep p{ margin-top:10px; font-size:14px; color:var(--steel-dim); line-height:1.65; max-width:52ch; }
.pstep::after{
  content:""; position:absolute; left:0; bottom:-1px; height:1px; width:0;
  background:var(--orange); transition:width .9s var(--ease);
}
.pstep.is-in::after{ width:100%; }

/* ---------- 19. Counters band ---------- */
.band{
  position:relative; padding-block:clamp(64px,8vw,112px); overflow:hidden;
  background:var(--ink-2); border-block:1px solid var(--line);
}
.band::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(70% 120% at 50% 0%, rgba(239,124,0,.16), transparent 62%);
}
.band__grid{ position:relative; display:grid; grid-template-columns:repeat(4,1fr); gap:26px; text-align:center; }
.band__n{
  font-family:var(--font-display); font-weight:700; font-size:clamp(1.9rem,3.5vw,2.9rem);
  letter-spacing:-.05em; line-height:1;
}
.band__n sup{ font-size:.4em; color:var(--orange); top:-.85em; }
.band__l{ margin-top:12px; font-size:13px; color:var(--steel-dim); letter-spacing:.05em; }

/* ---------- 20. Service / AMC ---------- */
.amc__grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(34px,5vw,72px); align-items:center; }
.amc__cards{ display:grid; gap:14px; }
.amc__card{
  border:1px solid var(--line); border-radius:var(--r-md); padding:22px 24px;
  background:var(--surface); display:flex; gap:18px; align-items:flex-start;
  transition:transform .5s var(--ease), border-color .5s;
}
.amc__card:hover{ transform:translateX(8px); border-color:rgba(239,124,0,.4); }
.amc__card i{ flex-shrink:0; width:36px; height:36px; border-radius:10px; display:grid; place-items:center; background:rgba(239,124,0,.12); color:var(--orange); }
.amc__card i svg{ width:18px; height:18px; }
.amc__card h4{ font-size:15.5px; font-weight:600; }
.amc__card p{ margin-top:5px; font-size:13.5px; color:var(--steel-dim); line-height:1.55; }

/* ---------- 21. FAQ ---------- */
.faq{ background:var(--ink-2); border-block:1px solid var(--line); }
.faq__list{ max-width:900px; margin-inline:auto; display:grid; gap:0; }
.faq__item{ border-bottom:1px solid var(--line); }
.faq__item:first-child{ border-top:1px solid var(--line); }
.faq__q{
  width:100%; display:flex; align-items:center; gap:20px; padding:24px 0; text-align:left;
}
.faq__q h3{ flex:1; font-size:clamp(.95rem,1.2vw,1.05rem); font-weight:600; transition:color .4s; }
.faq__item.is-open .faq__q h3{ color:var(--orange); }
.faq__q span{
  position:relative; flex-shrink:0; width:28px; height:28px; border-radius:50%;
  border:1px solid var(--line-2); display:grid; place-items:center;
  transition:background .4s, border-color .4s, transform .5s var(--ease);
}
.faq__q span::before,.faq__q span::after{ content:""; position:absolute; background:var(--white); border-radius:2px; }
.faq__q span::before{ width:10px; height:1.5px; }
.faq__q span::after{ width:1.5px; height:10px; transition:transform .5s var(--ease); }
.faq__item.is-open .faq__q span{ background:var(--orange); border-color:var(--orange); transform:rotate(180deg); }
.faq__item.is-open .faq__q span::after{ transform:scaleY(0); }
.faq__a{ display:grid; grid-template-rows:0fr; transition:grid-template-rows .55s var(--ease); }
.faq__item.is-open .faq__a{ grid-template-rows:1fr; }
.faq__a > div{ overflow:hidden; }
.faq__a p{ padding-bottom:24px; font-size:14.5px; color:var(--steel); max-width:72ch; }

/* ---------- 22. Contact ---------- */
.contact{ background:var(--ink); }
.contact__grid{ display:grid; grid-template-columns:.95fr 1.05fr; gap:clamp(34px,5vw,72px); }
.cinfo{ display:grid; gap:14px; margin-top:34px; }
.cinfo > a, .cinfo > div{
  display:flex; gap:16px; align-items:flex-start; padding:18px 20px;
  border:1px solid var(--line); border-radius:var(--r-md); background:var(--surface);
  transition:border-color .45s, background .45s, transform .5s var(--ease);
}
.cinfo > a:hover{ border-color:rgba(239,124,0,.45); background:var(--surface-2); transform:translateY(-3px); }
.cinfo i{ flex-shrink:0; width:38px; height:38px; border-radius:11px; display:grid; place-items:center; background:rgba(239,124,0,.12); color:var(--orange); }
.cinfo i svg{ width:18px; height:18px; }
.cinfo b{ display:block; font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--steel-dim); font-weight:600; }
.cinfo span{ display:block; margin-top:4px; font-family:var(--font-display); font-size:15.5px; font-weight:600; letter-spacing:-.01em; }
.cinfo small{ display:block; margin-top:3px; font-size:12.5px; color:var(--steel-dim); }

.form{
  border:1px solid var(--line); border-radius:var(--r-lg); padding:clamp(24px,3vw,38px);
  background:var(--surface); position:relative; overflow:hidden;
}
.form::before{
  content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--grad-orange);
}
.form__row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:11.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--steel-dim); margin-bottom:8px; font-weight:600; }
.field input, .field select, .field textarea{
  width:100%; padding:14px 16px; border-radius:var(--r-sm);
  background:var(--ink); border:1px solid var(--line); color:var(--white);
  font-family:var(--font-body); font-size:14.5px;
  transition:border-color .35s, background .35s;
}
.field textarea{ min-height:112px; resize:vertical; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--orange); background:var(--ink-2);
}
.field input::placeholder, .field textarea::placeholder{ color:#4B535E; }
.field select{ appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23A7B0BC' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; background-size:17px; padding-right:42px; }
.form__note{ margin-top:14px; font-size:12px; color:var(--steel-dim); }
.form__actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:8px; }

/* ---------- 23. Footer ---------- */
.footer{ background:var(--ink-2); border-top:1px solid var(--line); padding-top:clamp(56px,7vw,88px); }
.footer__grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:52px; }
.footer h4{ font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:var(--steel-dim); margin-bottom:18px; font-weight:600; }
.footer__links li{ margin-bottom:10px; }
.footer__links a{ font-size:14px; color:var(--steel); transition:color .3s, padding-left .35s var(--ease); }
.footer__links a:hover{ color:var(--orange); padding-left:6px; }
.footer__about p{ margin-top:20px; font-size:14px; color:var(--steel-dim); max-width:40ch; line-height:1.7; }
.footer__social{ margin-top:24px; display:flex; gap:10px; }
.footer__social a{
  width:38px; height:38px; border-radius:11px; border:1px solid var(--line);
  display:grid; place-items:center; color:var(--steel);
  transition:all .4s var(--ease);
}
.footer__social a:hover{ background:var(--orange); border-color:var(--orange); color:#fff; transform:translateY(-3px); }
.footer__social svg{ width:17px; height:17px; }
.footer__bottom{
  border-top:1px solid var(--line); padding-block:24px;
  display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between; align-items:center;
  font-size:12.5px; color:var(--steel-dim);
}
.footer__bottom a:hover{ color:var(--orange); }

/* big background wordmark */
.footer__word{
  font-family:var(--font-display); font-weight:700; letter-spacing:-.05em;
  font-size:clamp(2.4rem,10vw,8rem); line-height:.85; text-align:center;
  color:transparent; -webkit-text-stroke:1px rgba(255,255,255,.07);
  padding-bottom:18px; user-select:none; overflow:hidden;
}

/* ---------- 24. Floating dock (WhatsApp + Call) ---------- */
.dock{
  position:fixed; right:clamp(14px,2.5vw,28px); bottom:clamp(14px,2.5vw,28px); z-index:800;
  display:flex; flex-direction:column; gap:12px; align-items:flex-end;
}
.dock__btn{
  position:relative; display:flex; align-items:center; gap:0;
  height:56px; width:56px; border-radius:100px; overflow:hidden;
  box-shadow:0 14px 34px -12px rgba(0,0,0,.7);
  transition:width .55s var(--ease), gap .55s var(--ease), transform .4s var(--ease);
  will-change:width;
}
.dock__btn svg{ flex-shrink:0; width:26px; height:26px; margin-left:15px; }
.dock__btn span{
  white-space:nowrap; font-family:var(--font-display); font-weight:600; font-size:14px;
  opacity:0; transition:opacity .35s ease .1s; padding-right:22px; margin-left:12px;
}
.dock__btn:hover{ width:var(--w,182px); transform:translateY(-2px); }
.dock__btn:hover span{ opacity:1; }
.dock__btn--wa{ background:#25D366; color:#fff; }
.dock__btn--call{ background:var(--grad-orange); color:#fff; }
.dock__btn--wa::after{
  content:""; position:absolute; inset:0; border-radius:100px;
  box-shadow:0 0 0 0 rgba(37,211,102,.55); animation:pulse 2.8s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(37,211,102,.5); }
  70%{ box-shadow:0 0 0 16px rgba(37,211,102,0); }
  100%{ box-shadow:0 0 0 0 rgba(37,211,102,0); }
}

/* scroll progress */
.progress{
  position:fixed; top:0; left:0; height:2px; z-index:950; width:0%;
  background:var(--grad-orange); box-shadow:0 0 12px rgba(239,124,0,.7);
}

/* back to top */
.totop{
  position:fixed; left:clamp(14px,2.5vw,28px); bottom:clamp(14px,2.5vw,28px); z-index:800;
  width:46px; height:46px; border-radius:50%; border:1px solid var(--line-2);
  background:rgba(13,15,19,.8); backdrop-filter:blur(10px);
  display:grid; place-items:center; color:var(--steel);
  opacity:0; visibility:hidden; transform:translateY(14px);
  transition:all .5s var(--ease);
}
.totop.is-on{ opacity:1; visibility:visible; transform:none; }
.totop:hover{ border-color:var(--orange); color:var(--orange); }

/* ---------- 25. Image placeholder ---------- */
.ph{
  position:absolute; inset:0; display:grid; place-items:center; text-align:center;
  background:
    linear-gradient(135deg, rgba(239,124,0,.07), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.022) 0 12px, transparent 12px 24px),
    var(--grad-steel);
  color:var(--steel-dim); padding:18px;
}
.ph b{ display:block; font-family:var(--font-display); font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--orange); }
.ph span{ display:block; margin-top:6px; font-size:11.5px; opacity:.75; font-family:ui-monospace,Menlo,monospace; }
img.hasfile + .ph{ display:none; }

/* ============================================================
   26. ATMOSPHERE - ambient light, grain, glass
   Everything below deliberately overrides the flat dark
   surfaces defined earlier so the page reads as lit, not black.
   ============================================================ */

body{
  background:
    radial-gradient(120% 70% at 50% -10%, #1B2432 0%, transparent 55%),
    linear-gradient(180deg, #0E1219 0%, #10151D 45%, #0E1219 100%);
}

/* Fixed ambient layer.
   Painted with plain radial-gradients - no filter:blur(), no mix-blend-mode
   and no animation. Those three are what make a page like this crawl on a
   laptop; a gradient of the same shape costs the compositor nothing. */
.bg-fx{ position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.bg-fx > i{ position:absolute; display:block; }
.bg-fx .orb-1{
  inset:-20vh -10vw auto -20vw; height:90vh;
  background:radial-gradient(60% 55% at 30% 40%, rgba(239,124,0,.30), rgba(239,124,0,0) 70%);
}
.bg-fx .orb-2{
  inset:20% -25vw auto auto; width:80vw; height:80vh;
  background:radial-gradient(50% 50% at 70% 50%, rgba(78,168,255,.18), rgba(78,168,255,0) 70%);
}
.bg-fx .orb-3{
  inset:auto auto -30vh 5vw; width:90vw; height:90vh;
  background:radial-gradient(50% 50% at 50% 60%, rgba(255,154,77,.18), rgba(255,154,77,0) 70%);
}

/* architectural grid, fading out down the page */
.bg-fx .grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.032) 1px, transparent 1px);
  background-size:96px 96px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%, #000 10%, transparent 78%);
  mask-image:radial-gradient(120% 90% at 50% 0%, #000 10%, transparent 78%);
}
.bg-fx .grain{ display:none; }

/* content sits above the ambient layer (fixed UI keeps its own z-index) */
main, .footer, .marquee{ position:relative; z-index:1; }

/* ------------------------------------------------------------
   SECTION THEMES
   The page alternates light and dark bands. Each band redefines
   the token set for its own subtree, so every component inside
   re-colours itself without a single component-level override.
   ------------------------------------------------------------ */

/* dark bands sit on the ambient layer */
.sect--dark{ background:transparent; }
.sect--dark-deep{ background:linear-gradient(180deg, rgba(18,23,32,.55), rgba(18,23,32,.8)); }
.marquee{ background:rgba(20,26,36,.92); }
.footer{ background:linear-gradient(180deg, rgba(12,16,22,.94), rgba(10,13,18,.99)); }

/* light bands: opaque, and every token flipped */
.sect--light{
  --ink:        #F1F4F8;
  --ink-2:      #E8ECF2;
  --surface:    #FFFFFF;
  --surface-2:  #F7F9FC;
  --elev:       #FFFFFF;

  --white:      #0F141B;   /* primary text */
  --steel:      #4A5563;   /* body copy   */
  --steel-dim:  #6B7684;   /* captions    */

  --line:       rgba(15,20,27,.11);
  --line-2:     rgba(15,20,27,.20);

  --orange-lt:  #B35C00;   /* orange that passes contrast on white */

  --glass:       linear-gradient(160deg,#FFFFFF 0%,#FCFDFE 100%);
  --glass-hover: linear-gradient(160deg,#FFFFFF 0%,#F4F7FB 100%);
  --grad-steel:  linear-gradient(160deg,#E4E9F0 0%,#CFD7E1 100%);

  background:#EEF1F5;
  color:#0F141B;
  position:relative; z-index:1;
}
.sect--light-alt{ background:#E6EAF1; }

/* panels read as physical cards on the light ground */
.sect--light .sol, .sect--light .comp__card, .sect--light .amc__card,
.sect--light .tech__item, .sect--light .form, .sect--light .about__point,
.sect--light .cinfo > a, .sect--light .cinfo > div, .sect--light .why__cell,
.sect--light .spec li{
  background:var(--glass);
  box-shadow:0 1px 2px rgba(15,20,27,.05), 0 8px 24px -18px rgba(15,20,27,.35);
}
.sect--light .comp__card:hover, .sect--light .amc__card:hover,
.sect--light .about__point:hover, .sect--light .why__cell:hover,
.sect--light .cinfo > a:hover{
  background:var(--glass-hover);
  box-shadow:0 2px 4px rgba(15,20,27,.06), 0 18px 40px -22px rgba(15,20,27,.45);
}
.sect--light .why__grid, .sect--light .spec, .sect--light .about__points{ background:var(--line); }
.sect--light .why__cell{ background:#FFFFFF; }
.sect--light .tech__item.is-open{ border-color:rgba(239,124,0,.5); background:#FFFFFF; }

/* framed media on a light ground gets a hairline instead of a glow */
.sect--light .about__frame, .sect--light .cabin__visual, .sect--light .tech__visual{
  box-shadow:0 2px 6px rgba(15,20,27,.07), 0 24px 60px -34px rgba(15,20,27,.5);
  border-color:rgba(15,20,27,.12);
}
.sect--light .cabin__visual::after{ background:none; }

/* chips, labels and controls that were tuned for a dark ground */
.sect--light .about__point i, .sect--light .comp__ico, .sect--light .why__cell i,
.sect--light .amc__card i, .sect--light .cinfo i{
  background:linear-gradient(150deg, rgba(239,124,0,.16), rgba(239,124,0,.06));
  border-color:rgba(239,124,0,.3);
  box-shadow:none;
  color:#B35C00;
}
.sect--light .cabin__label,
.sect--light .tech__visual figcaption{
  background:rgba(255,255,255,.92);
  border-color:rgba(15,20,27,.12);
  color:#0F141B;
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
}
.sect--light .tab{ background:#FFFFFF; }
.sect--light .tab.is-active{ background:var(--orange); border-color:var(--orange); color:#fff; }
.sect--light .btn--ghost{ border-color:rgba(15,20,27,.22); color:#0F141B; }
.sect--light .btn--ghost::before{ background:rgba(15,20,27,.05); }
.sect--light .field input, .sect--light .field select, .sect--light .field textarea{
  background:#F5F7FA; color:#0F141B;
}
.sect--light .field input::placeholder, .sect--light .field textarea::placeholder{ color:#9AA3AF; }
.sect--light .pstep::after{ background:var(--orange); }
/* +/- glyphs: dark on the closed pill, white once the pill turns orange */
.sect--light .tech__head i::before, .sect--light .tech__head i::after,
.sect--light .faq__q span::before, .sect--light .faq__q span::after{ background:#0F141B; }
.sect--light .tech__item.is-open .tech__head i::before,
.sect--light .faq__item.is-open .faq__q span::before{ background:#FFFFFF; }
.sect--light .tech__head i, .sect--light .faq__q span{ border-color:rgba(15,20,27,.24); }
.sect--light .eyebrow::before{ background:#B35C00; }
.sect--light .grad-text{
  background:linear-gradient(100deg,#E5820F 0%,#CE6A00 55%,#AE5600 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  filter:none;
}

/* the seam between two bands */
.sect--light + .sect--dark, .sect--dark + .sect--light{ border-top:0; }
.section + .section::before{ display:none; }
.sect--dark + .sect--dark::before{
  display:block; content:""; position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:min(1100px,86vw); height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16) 22%,rgba(239,124,0,.5) 50%,rgba(255,255,255,.16) 78%,transparent);
  opacity:.55;
}

/* Glass card treatment.
   Gradient only - backdrop-filter here was the single biggest cost on the
   page, since it forces the browser to re-blur what is behind every card on
   every scroll frame, and there are ~60 of them. */
.sol, .comp__card, .amc__card, .tech__item, .form, .about__point, .cinfo > a, .cinfo > div, .why__cell, .spec li{
  background:var(--glass);
}
.sol::before{ background:linear-gradient(160deg, rgba(255,255,255,.05), rgba(255,255,255,0)); }
.comp__card:hover, .amc__card:hover, .about__point:hover, .why__cell:hover{ background:var(--glass-hover); }
.tech__item.is-open{ background:var(--glass-hover); }
.why__grid{ background:var(--line); }
.why__cell{ background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.012)); }
.why__cell:hover{ background:var(--glass-hover); }
.spec{ background:var(--line); }
.about__points{ background:var(--line); }

/* soft outer glow on the big feature cards */
.sol, .comp__card, .form, .tech__visual, .cabin__visual, .about__frame, .door{
  box-shadow:0 24px 60px -30px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.06);
}
.sol:hover, .comp__card:hover{
  box-shadow:0 34px 80px -34px rgba(239,124,0,.45), inset 0 1px 0 rgba(255,255,255,.1);
}

/* Hero scrim.
   The photograph carries the page, so it runs at full strength; the scrim is
   directional - heavy where the headline sits (bottom-left), clearing to
   almost nothing over the top-right where the cabins are. */
.hero__bg::after{
  background:
    linear-gradient(100deg, rgba(14,18,25,.94) 0%, rgba(14,18,25,.78) 26%, rgba(14,18,25,.34) 56%, rgba(14,18,25,.12) 100%),
    linear-gradient(180deg, rgba(14,18,25,.72) 0%, rgba(14,18,25,.1) 26%, rgba(14,18,25,.2) 52%, rgba(14,18,25,.9) 100%),
    radial-gradient(90% 70% at 82% 22%, rgba(239,124,0,.16) 0%, transparent 62%);
}
.hero__bg img{ opacity:1; }

/* every photograph gets the same light grade so 27 generations read as one set */
.imgslot img{ filter:saturate(1.04) contrast(1.03); }

/* Photographs carry these cards - the old opacities were burying them. */
.sol__img{ opacity:.62; }
.sol:hover .sol__img{ opacity:.88; }
.sol::after{
  background:linear-gradient(180deg, rgba(14,18,25,.06) 0%, rgba(14,18,25,.62) 46%, rgba(14,18,25,.95) 100%);
}
.sol__num{ text-shadow:0 2px 12px rgba(0,0,0,.9); }
.tech__visual img{ opacity:1; }
.cabin__visual::after{ background:linear-gradient(200deg, rgba(239,124,0,.07), transparent 55%); }

/* Door leaves sit over the photo as a translucent shutter, not a blackout.
   backdrop-filter removed - 8 blurred panes on one screen is expensive. */
.door img{ opacity:1; }
.door__leaf{
  background:linear-gradient(180deg, rgba(16,21,29,.52), rgba(8,10,14,.72));
  backdrop-filter:none; -webkit-backdrop-filter:none;
}
.door__cap{ background:linear-gradient(180deg, transparent, rgba(8,10,14,.92) 55%); }

/* headline sheen - never on gradient-clipped text, the shadow shows through */
.hero h1{ text-shadow:0 4px 44px rgba(0,0,0,.4); }

/* icon chips read clearly against the glass */
.about__point i, .comp__ico, .why__cell i, .amc__card i, .cinfo i{
  background:linear-gradient(150deg, rgba(239,124,0,.28), rgba(239,124,0,.08));
  border:1px solid rgba(239,124,0,.28);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12), 0 6px 18px -10px rgba(239,124,0,.7);
}
.grad-text{
  text-shadow:none;
  background:linear-gradient(100deg,#FFC061 0%,#FF9A2E 38%,#EF7C00 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  filter:drop-shadow(0 6px 26px rgba(239,124,0,.35));
}

/* a warm hairline under every section boundary */
.section + .section::before{
  content:""; position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:min(1100px,86vw); height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16) 22%,rgba(239,124,0,.5) 50%,rgba(255,255,255,.16) 78%,transparent);
  opacity:.55;
}

/* ---------- 27. Responsive ---------- */
@media (max-width:1180px){
  .sol__grid{ grid-template-columns:repeat(2,1fr); }
  .comp__grid{ grid-template-columns:repeat(2,1fr); }
  .why__grid{ grid-template-columns:repeat(2,1fr); }
  .doors__grid{ grid-template-columns:repeat(4,1fr); }
}
@media (max-width:1240px){
  .header__phone span{ display:none; }
  .header__phone{ padding:10px 13px; }
  .nav a{ padding:9px 10px; font-size:13px; }
}
@media (max-width:980px){
  .nav{ display:none; }
  .burger{ display:grid; }
  .header__cta .btn--wa{ display:none; }
  .logo__tag{ display:none; }
  .logo__img{ height:40px; }
  .header.is-stuck .logo__img{ height:36px; }
  .about__grid,.cabin__grid,.tech__grid,.amc__grid,.contact__grid,.process__grid{ grid-template-columns:1fr; }
  .process__sticky{ position:static; }
  .tech__visual{ position:static; order:-1; aspect-ratio:16/10; }
  .about__media{ max-width:460px; }
  .hero__stats{ grid-template-columns:repeat(2,1fr); row-gap:28px; }
  .band__grid{ grid-template-columns:repeat(2,1fr); row-gap:34px; }
  .footer__grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:680px){
  .sol__grid{ grid-template-columns:1fr; }
  .comp__grid{ grid-template-columns:1fr; }
  .why__grid{ grid-template-columns:1fr; }
  .doors__grid{ grid-template-columns:repeat(2,1fr); }
  .tech__opts{ grid-template-columns:1fr; gap:14px; }
  .form__row{ grid-template-columns:1fr; }
  .footer__grid{ grid-template-columns:1fr; gap:34px; }
  .hero{ padding-top:112px; }
  .about__badge{ right:12px; bottom:12px; padding:16px 18px; min-width:0; }
  .dock__btn{ height:52px; width:52px; }
  .totop{ display:none; }
  .scroll-cue{ display:none; }
}

/* ---------- 27. Motion preferences ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important; animation-iteration-count:1 !important;
    transition-duration:.001ms !important; scroll-behavior:auto !important;
  }
  [data-reveal]{ opacity:1 !important; transform:none !important; clip-path:none !important; }
  .mask-line > span{ transform:none !important; }
}