/* ============================================================
   AGH HEAT EXCHANGER — LUXURY INDUSTRIAL DESIGN SYSTEM (LIGHT)
   Engineering White · Deep Navy · Steel Grey · Electric Blue · Copper
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Brand palette (light) */
  --bg:        #ffffff;      /* page */
  --bg-alt:    #f2f6fc;      /* alternating sections */
  --bg-tint:   #eaf0f9;      /* deeper tint (was section--dark) */
  --panel:     #ffffff;      /* card surface */
  --panel-2:   #f5f8fd;      /* raised/secondary surface */

  --ink:       #0b1a30;      /* deepest navy */
  --heading:   #0b1a30;      /* headings */
  --text:      #3c4a60;      /* body text */
  --text-dim:  #67748c;      /* secondary text */
  --steel-100: #33425a;      /* strong body */
  --steel-200: #43516a;
  --steel-300: #54627a;
  --steel-400: #6b788f;      /* dim */
  --steel-500: #8b97ab;      /* faint / captions */
  --steel-700: #c3ccd9;      /* light borders */

  --white:     #ffffff;      /* text on accents/buttons */
  --electric:  #2f6fe6;      /* electric blue */
  --electric-2:#1f5fd6;      /* deeper blue for links/hover on white */
  --electric-glow: rgba(47,111,230,.35);
  --copper:    #b26a37;      /* copper accent */
  --copper-2:  #a05f2f;      /* deeper copper for text on white */

  --line:      rgba(11,26,48,.10);
  --line-2:    rgba(11,26,48,.16);

  /* Gradients */
  --grad-blue:   linear-gradient(135deg,#3f86ff 0%,#2159d6 100%);
  --grad-copper: linear-gradient(135deg,#d08b57 0%,#a95f30 100%);
  --grad-hero:   radial-gradient(1100px 640px at 82% -10%, rgba(47,111,230,.14), transparent 55%),
                 radial-gradient(760px 520px at 6% 18%, rgba(178,106,55,.10), transparent 52%),
                 linear-gradient(180deg,#ffffff 0%,#f2f6fc 100%);

  /* Glass */
  --glass:      rgba(255,255,255,.72);
  --glass-brd:  rgba(11,26,48,.10);
  --glass-blur: blur(16px);

  /* Typography */
  --f-head: "Space Grotesk","Sora",system-ui,sans-serif;
  --f-body: "Inter",system-ui,sans-serif;
  --f-mono: "JetBrains Mono","Space Mono",ui-monospace,monospace;

  /* Rhythm */
  --maxw: 1240px;
  --gutter: clamp(20px,4vw,40px);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --shadow:      0 14px 40px -18px rgba(16,32,60,.22);
  --shadow-lg:   0 30px 70px -26px rgba(16,32,60,.32);
  --shadow-blue: 0 24px 60px -22px rgba(47,111,230,.42);
  --ease: cubic-bezier(.22,1,.36,1);
  --section-y: clamp(72px,10vw,128px);
}

/* ---------- 2. RESET ---------- */
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:96px; -webkit-text-size-adjust:100%; }
body {
  font-family:var(--f-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
ul { list-style:none; }
button { font:inherit; cursor:pointer; border:none; background:none; color:inherit; }
::selection { background:var(--electric); color:#fff; }

/* Scrollbar */
::-webkit-scrollbar { width:11px; }
::-webkit-scrollbar-track { background:var(--bg-alt); }
::-webkit-scrollbar-thumb { background:var(--steel-700); border-radius:20px; border:3px solid var(--bg-alt); }
::-webkit-scrollbar-thumb:hover { background:var(--electric); }

/* ---------- 3. TYPOGRAPHY ---------- */
h1,h2,h3,h4,h5 { font-family:var(--f-head); color:var(--heading); font-weight:700; line-height:1.08; letter-spacing:-.02em; }
h1 { font-size:clamp(40px,6.4vw,80px); font-weight:700; }
h2 { font-size:clamp(30px,4.4vw,54px); }
h3 { font-size:clamp(21px,2.4vw,28px); }
p  { color:var(--text-dim); }
.lead { font-size:clamp(17px,1.6vw,20px); color:var(--steel-100); }

.eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-mono); font-size:12.5px; letter-spacing:.28em; text-transform:uppercase;
  color:var(--electric-2); font-weight:500;
}
.eyebrow::before { content:""; width:26px; height:1px; background:var(--electric); }
.eyebrow--copper { color:var(--copper-2); }
.eyebrow--copper::before { background:var(--copper); }

.gradient-text { background:linear-gradient(120deg,var(--electric) 10%,#3f86ff 50%,var(--copper)); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* ---------- 4. LAYOUT ---------- */
.container { width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter); }
.section { padding-block:var(--section-y); position:relative; }
.section--alt { background:var(--bg-alt); }
.section--dark { background:var(--bg-tint); }
.section-head { max-width:720px; margin:0 auto clamp(40px,6vw,68px); text-align:center; }
.section-head p { margin-top:16px; }
.section-head--left { margin-inline:0; text-align:left; }
.grid { display:grid; gap:clamp(20px,3vw,32px); }
.hairline { height:1px; background:var(--line); border:0; }

/* ---------- 5. BUTTONS ---------- */
.btn {
  --btn-bg:var(--grad-blue);
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--f-head); font-weight:600; font-size:15px; letter-spacing:.01em;
  padding:15px 28px; border-radius:999px; color:#fff; position:relative;
  background:var(--btn-bg); isolation:isolate; overflow:hidden;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
  box-shadow:0 12px 28px -12px var(--electric-glow);
}
.btn::after { content:""; position:absolute; inset:0; z-index:-1; background:linear-gradient(135deg,#5a97ff,#2f6fe6); opacity:0; transition:opacity .35s var(--ease); }
.btn:hover { transform:translateY(-3px); box-shadow:0 20px 44px -14px var(--electric-glow); }
.btn:hover::after { opacity:1; }
.btn--copper { --btn-bg:var(--grad-copper); box-shadow:0 12px 28px -12px rgba(178,106,55,.4); }
.btn--copper::after { background:linear-gradient(135deg,#dc9764,#b26a37); }
.btn--ghost { background:transparent; border:1.5px solid var(--line-2); box-shadow:none; color:var(--heading); }
.btn--ghost::after { background:rgba(47,111,230,.06); }
.btn--ghost:hover { border-color:var(--electric); box-shadow:none; color:var(--electric-2); }
.btn--lg { padding:18px 36px; font-size:16px; }
.btn--sm { padding:11px 20px; font-size:14px; }
.btn .ico { width:18px; height:18px; transition:transform .3s var(--ease); }
.btn:hover .ico { transform:translateX(4px); }

/* ---------- 6. GLASS / CARD ---------- */
.glass {
  background:var(--glass); border:1px solid var(--glass-brd);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
  border-radius:var(--radius); position:relative; box-shadow:var(--shadow);
}
.card {
  background:var(--panel);
  border:1px solid var(--line); border-radius:var(--radius-lg); padding:30px;
  position:relative; overflow:hidden; box-shadow:var(--shadow);
  transition:transform .5s var(--ease), border-color .5s var(--ease), box-shadow .5s var(--ease);
}
.card::before { content:""; position:absolute; inset:0; border-radius:inherit; padding:1px; background:linear-gradient(135deg,var(--electric),transparent 45%); -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0); -webkit-mask-composite:xor; mask-composite:exclude; opacity:0; transition:opacity .5s var(--ease); pointer-events:none; }
.card:hover { transform:translateY(-8px); border-color:transparent; box-shadow:var(--shadow-blue); }
.card:hover::before { opacity:1; }

.tilt { transform-style:preserve-3d; transition:transform .3s var(--ease); will-change:transform; }

/* ---------- 7. HEADER / NAV ---------- */
.topbar { background:var(--ink); border-bottom:1px solid rgba(255,255,255,.08); font-size:13px; color:rgba(255,255,255,.6); }
.topbar a { color:rgba(255,255,255,.75); }
.topbar .container { display:flex; justify-content:space-between; align-items:center; height:40px; gap:20px; }
.topbar a:hover { color:#fff; }
.topbar__left { display:flex; gap:24px; }
.topbar__left span { display:inline-flex; gap:7px; align-items:center; }
.topbar__right { display:flex; gap:16px; align-items:center; }

.header { position:sticky; top:0; z-index:100; transition:background .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease); border-bottom:1px solid transparent; background:rgba(255,255,255,.85); backdrop-filter:blur(14px); }
.header.scrolled { background:rgba(255,255,255,.92); backdrop-filter:blur(16px); border-bottom-color:var(--line); box-shadow:0 6px 24px -18px rgba(16,32,60,.5); }
.header__inner { display:flex; align-items:center; justify-content:space-between; height:76px; gap:24px; }

.logo { display:flex; align-items:center; gap:13px; }
.logo__mark { width:46px; height:46px; border-radius:12px; background:#fff; border:1px solid var(--line); display:grid; place-items:center; position:relative; overflow:hidden; box-shadow:0 6px 18px -8px rgba(16,32,60,.25); }
.logo__mark img { width:100%; height:100%; object-fit:cover; }
.logo__txt { font-family:var(--f-head); font-weight:700; color:var(--heading); font-size:17px; line-height:1.05; }
.logo__txt em { display:block; font-style:normal; font-weight:400; font-size:11px; letter-spacing:.22em; text-transform:uppercase; color:var(--steel-400); }

.mainnav { display:flex; align-items:center; gap:6px; }
.mainnav > li > a { display:inline-flex; align-items:center; gap:6px; padding:10px 15px; font-size:15px; font-weight:500; color:var(--steel-100); border-radius:10px; transition:color .25s, background .25s; }
.mainnav > li > a:hover, .mainnav > li.active > a { color:var(--electric-2); background:rgba(47,111,230,.07); }
.mainnav .caret { width:10px; height:10px; transition:transform .3s var(--ease); }
.has-mega:hover .caret { transform:rotate(180deg); }

/* Mega menu */
.mega { position:absolute; left:50%; top:calc(100% + 14px); transform:translateX(-50%) translateY(10px); width:min(920px,92vw); background:#fff; border:1px solid var(--line-2); border-radius:20px; padding:26px; box-shadow:var(--shadow-lg); opacity:0; visibility:hidden; transition:opacity .3s var(--ease), transform .3s var(--ease); z-index:120; }
.has-mega { position:relative; }
.has-mega:hover .mega, .mega:hover { opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }
.mega__grid { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; }
.mega__item { display:flex; gap:14px; padding:14px; border-radius:14px; transition:background .25s; }
.mega__item:hover { background:rgba(47,111,230,.07); }
.mega__ico { flex:none; width:42px; height:42px; border-radius:11px; background:rgba(47,111,230,.10); display:grid; place-items:center; color:var(--electric-2); }
.mega__item h4 { font-size:15px; color:var(--heading); margin-bottom:2px; }
.mega__item p { font-size:12.5px; color:var(--steel-400); line-height:1.4; }
.mega__cta { grid-column:1/-1; margin-top:8px; display:flex; justify-content:space-between; align-items:center; padding:16px 18px; border-radius:14px; background:linear-gradient(120deg,rgba(47,111,230,.10),rgba(178,106,55,.08)); border:1px solid var(--line); }
.mega__cta span { font-family:var(--f-head); color:var(--heading); font-weight:600; }

.nav-tools { display:flex; align-items:center; gap:14px; }
.burger { display:none; flex-direction:column; gap:5px; padding:10px; }
.burger span { width:24px; height:2px; background:var(--heading); border-radius:2px; transition:.3s var(--ease); }

/* ---------- 8. HERO ---------- */
.hero { position:relative; min-height:100svh; display:flex; align-items:center; overflow:hidden; background:var(--grad-hero); }
.hero__video { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.08; filter:grayscale(.2) contrast(1.02); z-index:0; }
.hero__scrim { position:absolute; inset:0; background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.7) 52%,rgba(255,255,255,.25) 100%); z-index:1; }
.hero__grid-lines { position:absolute; inset:0; z-index:1; background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px); background-size:64px 64px; mask-image:radial-gradient(circle at 70% 40%,#000,transparent 70%); opacity:.7; }
.hero__inner { position:relative; z-index:2; padding-block:120px 90px; max-width:860px; }
.hero h1 { margin:22px 0 22px; }
.hero__sub { max-width:560px; font-size:clamp(17px,1.8vw,21px); color:var(--steel-100); }
.hero__cta { display:flex; flex-wrap:wrap; gap:16px; margin-top:38px; }
.hero__badges { display:flex; flex-wrap:wrap; gap:26px; margin-top:46px; padding-top:30px; border-top:1px solid var(--line); }
.hero__badge { display:flex; align-items:center; gap:11px; font-size:14px; color:var(--text-dim); }
.hero__badge b { color:var(--heading); }
.hero__badge .dot { width:8px; height:8px; border-radius:50%; background:var(--electric); box-shadow:0 0 12px var(--electric-glow); }
.hero__scroll { position:absolute; bottom:26px; left:50%; transform:translateX(-50%); z-index:2; font-family:var(--f-mono); font-size:11px; letter-spacing:.2em; color:var(--steel-500); text-transform:uppercase; display:flex; flex-direction:column; align-items:center; gap:10px; }
.hero__scroll .line { width:1px; height:44px; background:linear-gradient(var(--electric),transparent); animation:scrolldown 2s var(--ease) infinite; }
@keyframes scrolldown { 0%{transform:scaleY(0);transform-origin:top} 40%{transform:scaleY(1);transform-origin:top} 60%{transform:scaleY(1);transform-origin:bottom} 100%{transform:scaleY(0);transform-origin:bottom} }

.hero__chip { position:absolute; z-index:2; right:6%; top:28%; width:250px; }
@media(max-width:1024px){ .hero__chip{ display:none; } }
.spec-chip { padding:20px; }
.spec-chip h4 { font-size:13px; color:var(--steel-400); font-family:var(--f-mono); letter-spacing:.1em; text-transform:uppercase; margin-bottom:12px; }
.spec-chip .row { display:flex; justify-content:space-between; font-size:13px; padding:8px 0; border-bottom:1px solid var(--line); }
.spec-chip .row b { color:var(--heading); font-family:var(--f-mono); }
.spec-chip .row:last-child { border:0; }

/* ---------- 9. MARQUEE ---------- */
.marquee { overflow:hidden; border-block:1px solid var(--line); padding-block:28px; background:var(--bg-alt); }
.marquee__label { text-align:center; font-family:var(--f-mono); font-size:11.5px; letter-spacing:.24em; text-transform:uppercase; color:var(--steel-500); margin-bottom:22px; }
.marquee__track { display:flex; gap:60px; width:max-content; animation:marquee 34s linear infinite; }
.marquee:hover .marquee__track { animation-play-state:paused; }
.marquee__item { font-family:var(--f-head); font-weight:600; font-size:22px; color:var(--steel-500); white-space:nowrap; transition:color .3s; }
.marquee__item:hover { color:var(--electric-2); }
@keyframes marquee { to { transform:translateX(-50%); } }

/* ---------- 10. STATS ---------- */
.stats { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow); }
.stat { background:var(--panel); padding:38px 26px; text-align:center; position:relative; }
.stat::after { content:""; position:absolute; left:0; top:0; width:100%; height:3px; background:var(--grad-blue); transform:scaleX(0); transform-origin:left; transition:transform .8s var(--ease); }
.stat.in::after { transform:scaleX(1); }
.stat__num { font-family:var(--f-head); font-weight:700; font-size:clamp(34px,4.6vw,52px); color:var(--heading); line-height:1; letter-spacing:-.03em; }
.stat__num .suffix { color:var(--electric-2); }
/* text-based stat values (e.g. "Delhi NCR") need a smaller size than numerals */
.stat__num--text { font-size:clamp(20px,2.6vw,32px); letter-spacing:-.01em; white-space:nowrap; }
.stat__label { margin-top:10px; font-size:14px; color:var(--text-dim); letter-spacing:.02em; }

/* ---------- 11. PRODUCT CARDS ---------- */
.prod-grid { grid-template-columns:repeat(3,1fr); }
.prod { padding:0; overflow:hidden; }
.prod__img { aspect-ratio:16/11; overflow:hidden; position:relative; background:var(--bg-alt); }
.prod__img img { width:100%; height:100%; object-fit:cover; transition:transform .8s var(--ease); }
.prod:hover .prod__img img { transform:scale(1.06); }
.prod__tag { position:absolute; top:14px; left:14px; z-index:2; font-family:var(--f-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; padding:6px 12px; border-radius:999px; background:rgba(255,255,255,.9); border:1px solid var(--line-2); color:var(--electric-2); backdrop-filter:blur(6px); box-shadow:var(--shadow); }
.prod__body { padding:24px 26px 28px; }
.prod__body h3 { margin-bottom:8px; }
.prod__body p { font-size:14.5px; margin-bottom:16px; }
.prod__link { display:inline-flex; align-items:center; gap:8px; font-family:var(--f-head); font-weight:600; font-size:14px; color:var(--electric-2); }
.prod__link .ico { transition:transform .3s var(--ease); }
.prod:hover .prod__link .ico { transform:translateX(5px); }

/* ---------- 12. PROCESS TIMELINE ---------- */
.process { position:relative; }
.process__track { display:grid; grid-template-columns:repeat(5,1fr); gap:20px; position:relative; }
.process__track::before { content:""; position:absolute; top:34px; left:6%; right:6%; height:2px; background:linear-gradient(90deg,transparent,var(--electric),var(--copper),transparent); opacity:.5; }
.pstep { text-align:center; position:relative; }
.pstep__node { width:68px; height:68px; margin:0 auto 18px; border-radius:20px; background:#fff; border:1px solid var(--line-2); display:grid; place-items:center; color:var(--electric-2); position:relative; z-index:1; box-shadow:var(--shadow); transition:transform .4s var(--ease), border-color .4s; }
.pstep:hover .pstep__node { transform:translateY(-6px); border-color:var(--electric); box-shadow:var(--shadow-blue); }
.pstep__n { font-family:var(--f-mono); font-size:11px; color:var(--copper-2); letter-spacing:.15em; }
.pstep h4 { font-size:16px; margin:6px 0 6px; color:var(--heading); }
.pstep p { font-size:13px; }

/* ---------- 13. INDUSTRIES ---------- */
.ind-grid { grid-template-columns:repeat(5,1fr); }
.ind { display:flex; flex-direction:column; align-items:center; gap:14px; padding:28px 16px; text-align:center; border-radius:var(--radius); border:1px solid var(--line); background:var(--panel); box-shadow:var(--shadow); transition:.4s var(--ease); }
.ind:hover { border-color:var(--electric); transform:translateY(-5px); box-shadow:var(--shadow-blue); }
.ind__ico { width:52px; height:52px; display:grid; place-items:center; font-size:30px; }
.ind span { font-family:var(--f-head); font-weight:600; font-size:14.5px; color:var(--heading); }

/* ---------- 14. FEATURE SPLIT ---------- */
.feat-grid { grid-template-columns:repeat(2,1fr); align-items:center; }
.feat-list { display:grid; gap:18px; }
.feat { display:flex; gap:18px; padding:20px; border-radius:var(--radius); border:1px solid var(--line); background:var(--panel); box-shadow:var(--shadow); transition:.4s var(--ease); }
.feat:hover { border-color:var(--line-2); transform:translateX(6px); box-shadow:var(--shadow-blue); }
.feat__ico { flex:none; width:50px; height:50px; border-radius:13px; background:var(--grad-blue); display:grid; place-items:center; color:#fff; font-size:22px; }
.feat h4 { font-size:17px; color:var(--heading); margin-bottom:5px; }
.feat p { font-size:14px; }
.media-frame { border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--line); position:relative; box-shadow:var(--shadow-lg); background:var(--bg-alt); aspect-ratio:4/3; }
.media-frame img { width:100%; height:100%; object-fit:cover; display:block; }
/* frames given an explicit inline height (e.g. embedded maps) keep that height */
.media-frame[style*="height"] { aspect-ratio:auto; }
/* blog article banner: shorter so lower-resolution photos aren't over-enlarged */
article .media-frame { aspect-ratio:16/9; }

/* ---------- STUDIO PRODUCT SHOTS ----------
   Real AGH product photos are shot on a white background and are often portrait
   or lower-resolution. Cropping them (object-fit:cover) slices the product and
   makes it look like it's spilling out of the card, so show them whole instead. */
img.product-shot { object-fit:contain !important; background:#fff; padding:14px; }
.prod__img:has(img.product-shot),
.post__img:has(img.product-shot),
.media-frame:has(img.product-shot),
.gallery-grid a:has(img.product-shot) { background:#fff; }
/* keep the dark scrim off white product shots so the card reads cleanly */
.prod__img:has(img.product-shot)::after { background:linear-gradient(180deg,transparent 70%,rgba(16,32,60,.10)); }

/* ---------- 15. TESTIMONIALS ---------- */
.testi-grid { grid-template-columns:repeat(3,1fr); }
.testi { padding:30px; display:flex; flex-direction:column; gap:18px; }
.testi__stars { color:var(--copper); letter-spacing:2px; }
.testi p { color:var(--steel-100); font-size:15.5px; font-style:italic; }
.testi__who { display:flex; align-items:center; gap:14px; margin-top:auto; }
.testi__av { width:46px; height:46px; border-radius:50%; background:var(--grad-blue); display:grid; place-items:center; font-family:var(--f-head); font-weight:700; color:#fff; }
.testi__who b { color:var(--heading); display:block; font-size:14.5px; }
.testi__who span { font-size:12.5px; color:var(--steel-500); }

/* ---------- 16. CERT / TRUST ---------- */
.cert-row { display:flex; flex-wrap:wrap; gap:18px; justify-content:center; }
.cert { display:flex; align-items:center; gap:12px; padding:16px 22px; border-radius:14px; border:1px solid var(--line); background:var(--panel); box-shadow:var(--shadow); }
.cert__ico { width:36px; height:36px; display:grid; place-items:center; color:var(--copper-2); font-size:22px; }
.cert b { color:var(--heading); font-family:var(--f-head); font-size:14px; display:block; }
.cert span { font-size:12px; color:var(--steel-500); }

/* ---------- 17. BLOG ---------- */
.blog-grid { grid-template-columns:repeat(3,1fr); }
.post { padding:0; overflow:hidden; }
.post__img { aspect-ratio:16/10; overflow:hidden; background:var(--bg-alt); }
.post__img img { width:100%; height:100%; object-fit:cover; transition:transform .8s var(--ease); }
.post:hover .post__img img { transform:scale(1.06); }
.post__body { padding:22px 24px 26px; }
.post__meta { display:flex; gap:12px; font-family:var(--f-mono); font-size:11.5px; color:var(--steel-500); text-transform:uppercase; letter-spacing:.08em; margin-bottom:12px; }
.post__meta .cat { color:var(--electric-2); }
.post h3 { font-size:19px; line-height:1.25; margin-bottom:10px; }
.post:hover h3 { color:var(--electric-2); }
.post p { font-size:14px; }

/* ---------- 18. CTA BAND (accent) ---------- */
.cta-band { position:relative; overflow:hidden; border-radius:var(--radius-lg); padding:clamp(44px,6vw,72px); text-align:center; background:radial-gradient(800px 400px at 50% -20%,rgba(90,151,255,.5),transparent 60%),linear-gradient(120deg,#123a86,#0d2a63); border:1px solid rgba(255,255,255,.12); box-shadow:var(--shadow-lg); color:#fff; }
.cta-band::before { content:""; position:absolute; inset:0; background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px); background-size:44px 44px; mask-image:radial-gradient(circle at 50% 0%,#000,transparent 70%); }
.cta-band > * { position:relative; }
.cta-band h2 { color:#fff; max-width:720px; margin:0 auto 16px; }
.cta-band p, .cta-band .lead { color:rgba(255,255,255,.86); }
.cta-band .eyebrow { color:#ffd9b0; }
.cta-band .eyebrow::before { background:#ffd9b0; }
.cta-band .btn--ghost { color:#fff; border-color:rgba(255,255,255,.5); }
.cta-band .btn--ghost:hover { color:#fff; border-color:#fff; background:rgba(255,255,255,.12); }
.cta-band .btn-row { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; margin-top:30px; }

/* ---------- 19. FOOTER ---------- */
.footer { background:var(--bg-alt); border-top:1px solid var(--line); padding-top:clamp(56px,7vw,86px); }
.footer__top { display:grid; grid-template-columns:1.6fr 1fr 1fr 1.3fr; gap:40px; padding-bottom:48px; border-bottom:1px solid var(--line); }
.footer__brand p { font-size:14px; margin:18px 0; max-width:320px; color:var(--text-dim); }
.footer__social { display:flex; gap:12px; }
.footer__social a { width:40px; height:40px; border-radius:11px; border:1px solid var(--line-2); display:grid; place-items:center; color:var(--steel-400); background:#fff; transition:.3s var(--ease); }
.footer__social a:hover { color:#fff; border-color:var(--electric); background:var(--electric); transform:translateY(-3px); }
.footer__col h4 { font-size:13px; font-family:var(--f-mono); letter-spacing:.14em; text-transform:uppercase; color:var(--steel-500); margin-bottom:20px; }
.footer__col a { display:block; font-size:14.5px; color:var(--steel-100); padding:7px 0; transition:color .25s, padding .25s; }
.footer__col a:hover { color:var(--electric-2); padding-left:6px; }
.footer__contact li { display:flex; gap:12px; font-size:14px; color:var(--steel-100); margin-bottom:14px; }
.footer__contact .ico { color:var(--electric-2); flex:none; }
.footer__bar { display:flex; justify-content:space-between; align-items:center; gap:20px; padding-block:26px; font-size:13px; color:var(--steel-500); flex-wrap:wrap; }
.footer__bar a:hover { color:var(--electric-2); }

/* ---------- 20. FLOATING ---------- */
.fab { position:fixed; right:22px; z-index:90; width:56px; height:56px; border-radius:50%; display:grid; place-items:center; box-shadow:var(--shadow-lg); transition:transform .3s var(--ease); }
.fab:hover { transform:scale(1.1); }
.fab--wa { bottom:22px; background:#25d366; color:#fff; }
.fab--wa::before { content:""; position:absolute; inset:0; border-radius:50%; border:2px solid #25d366; animation:ping 2.4s var(--ease) infinite; }
@keyframes ping { 0%{transform:scale(1);opacity:.7} 100%{transform:scale(1.6);opacity:0} }
.fab--top { bottom:88px; background:#fff; color:var(--heading); border:1px solid var(--line-2); opacity:0; visibility:hidden; }
.fab--top.show { opacity:1; visibility:visible; }

/* ---------- 21. FORMS ---------- */
.field { margin-bottom:18px; }
.field label { display:block; font-family:var(--f-head); font-weight:500; font-size:13.5px; color:var(--steel-100); margin-bottom:8px; }
.field input,.field textarea,.field select { width:100%; padding:14px 16px; font-family:var(--f-body); font-size:15px; color:var(--heading); background:var(--bg-alt); border:1px solid var(--line-2); border-radius:12px; transition:border-color .3s, background .3s, box-shadow .3s; }
.field input::placeholder,.field textarea::placeholder { color:var(--steel-500); }
.field input:focus,.field textarea:focus,.field select:focus { outline:none; border-color:var(--electric); background:#fff; box-shadow:0 0 0 4px rgba(47,111,230,.1); }
.field textarea { resize:vertical; min-height:120px; }
.form-card { padding:clamp(26px,4vw,40px); }

/* ---------- 22. REVEAL ---------- */
.reveal { opacity:0; transform:translateY(30px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity:1; transform:none; }
.reveal[data-delay="1"] { transition-delay:.08s; }
.reveal[data-delay="2"] { transition-delay:.16s; }
.reveal[data-delay="3"] { transition-delay:.24s; }
.reveal[data-delay="4"] { transition-delay:.32s; }
@media (prefers-reduced-motion:reduce) { .reveal{opacity:1;transform:none;transition:none} *{animation:none!important} html{scroll-behavior:auto} }

/* ---------- 24. INNER PAGES ---------- */
.page-hero { position:relative; padding-block:clamp(120px,16vw,180px) clamp(56px,8vw,88px); overflow:hidden; background:var(--grad-hero); border-bottom:1px solid var(--line); }
.page-hero__grid { position:absolute; inset:0; background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px); background-size:60px 60px; mask-image:radial-gradient(circle at 75% 30%,#000,transparent 70%); opacity:.7; }
.page-hero .container { position:relative; }
.page-hero h1 { margin:16px 0 18px; max-width:14ch; }
.page-hero p { max-width:60ch; font-size:clamp(16px,1.7vw,19px); color:var(--steel-100); }

.breadcrumb { display:flex; gap:9px; align-items:center; font-family:var(--f-mono); font-size:12px; letter-spacing:.06em; color:var(--steel-500); text-transform:uppercase; }
.breadcrumb a:hover { color:var(--electric-2); }
.breadcrumb span { color:var(--steel-700); }

.prose p { margin-bottom:18px; font-size:16.5px; color:var(--text); }
.prose h2 { margin:8px 0 18px; }
.prose h3 { margin:26px 0 12px; color:var(--heading); }
.prose a { color:var(--electric-2); text-decoration:underline; text-decoration-color:rgba(47,111,230,.3); text-underline-offset:3px; }
.prose a:hover { text-decoration-color:var(--electric); }
.prose ul.ticks { display:grid; gap:12px; margin:20px 0; }
.prose ul.ticks li { position:relative; padding-left:32px; color:var(--steel-100); }
.prose ul.ticks li::before { content:"\2713"; position:absolute; left:0; top:1px; width:22px; height:22px; border-radius:50%; background:rgba(47,111,230,.12); color:var(--electric-2); display:grid; place-items:center; font-size:12px; font-weight:700; }

.split { grid-template-columns:1fr 1fr; align-items:center; }
.split--wide { grid-template-columns:1.15fr .85fr; }

.benefit-grid { grid-template-columns:repeat(3,1fr); }
.benefit { padding:26px; }
.benefit__ico { width:50px; height:50px; border-radius:13px; background:var(--grad-blue); display:grid; place-items:center; color:#fff; margin-bottom:16px; font-size:22px; }
.benefit h4 { font-size:17px; color:var(--heading); margin-bottom:8px; }
.benefit p { font-size:14px; }

.chips { display:flex; flex-wrap:wrap; gap:10px; }
.chip { font-family:var(--f-head); font-weight:500; font-size:13.5px; color:var(--steel-100); padding:9px 16px; border-radius:999px; border:1px solid var(--line-2); background:var(--panel); box-shadow:var(--shadow); transition:.3s var(--ease); }
.chip:hover { border-color:var(--electric); color:var(--electric-2); }

.spec-table { width:100%; border-collapse:collapse; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:var(--panel); box-shadow:var(--shadow); }
.spec-table th, .spec-table td { text-align:left; padding:15px 20px; font-size:14.5px; border-bottom:1px solid var(--line); }
.spec-table th { font-family:var(--f-mono); font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--steel-400); width:38%; font-weight:500; background:var(--bg-alt); }
.spec-table td { color:var(--heading); font-family:var(--f-mono); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom:0; }
.table-wrap { overflow-x:auto; border-radius:var(--radius); }

.size-grid { grid-template-columns:repeat(4,1fr); }
.size { text-align:center; padding:22px 14px; border:1px solid var(--line); border-radius:14px; background:var(--panel); box-shadow:var(--shadow); transition:.3s var(--ease); }
.size:hover { border-color:var(--electric); transform:translateY(-4px); box-shadow:var(--shadow-blue); }
.size b { display:block; font-family:var(--f-head); font-size:18px; color:var(--heading); }
.size span { font-size:12.5px; color:var(--steel-500); }

.gallery-grid { grid-template-columns:repeat(3,1fr); }
.gallery-grid img { width:100%; aspect-ratio:4/3; object-fit:cover; border-radius:var(--radius); border:1px solid var(--line); background:var(--bg-alt); box-shadow:var(--shadow); transition:.5s var(--ease); }
.gallery-grid a:hover img { transform:scale(1.03); border-color:var(--electric); box-shadow:var(--shadow-blue); }

.downloads { display:grid; gap:12px; }
.dl { display:flex; align-items:center; gap:16px; padding:18px 20px; border:1px solid var(--line); border-radius:14px; background:var(--panel); box-shadow:var(--shadow); transition:.3s var(--ease); }
.dl:hover { border-color:var(--electric); box-shadow:var(--shadow-blue); }
.dl__ico { width:44px; height:44px; border-radius:11px; background:rgba(178,106,55,.12); color:var(--copper-2); display:grid; place-items:center; flex:none; font-size:20px; }
.dl b { color:var(--heading); font-family:var(--f-head); font-size:15px; display:block; }
.dl span { font-size:12.5px; color:var(--steel-500); }
.dl__arrow { margin-left:auto; color:var(--electric-2); }

/* FAQ */
.faq { max-width:820px; margin-inline:auto; display:grid; gap:14px; }
.faq__item { border:1px solid var(--line); border-radius:14px; background:var(--panel); box-shadow:var(--shadow); overflow:hidden; transition:border-color .3s; }
.faq__item.open { border-color:var(--electric); }
.faq__q { width:100%; display:flex; justify-content:space-between; align-items:center; gap:16px; padding:20px 24px; text-align:left; font-family:var(--f-head); font-weight:600; font-size:16.5px; color:var(--heading); }
.faq__q .pm { flex:none; width:26px; height:26px; display:grid; place-items:center; border-radius:50%; border:1px solid var(--line-2); color:var(--electric-2); transition:transform .35s var(--ease); }
.faq__item.open .pm { transform:rotate(45deg); border-color:var(--electric); background:var(--electric); color:#fff; }
.faq__a { max-height:0; overflow:hidden; transition:max-height .4s var(--ease); }
.faq__a p { padding:0 24px 22px; font-size:15px; color:var(--text-dim); }
.faq__item.open .faq__a { max-height:340px; }

/* Timeline */
.timeline { position:relative; max-width:820px; margin-inline:auto; padding-left:8px; }
.timeline::before { content:""; position:absolute; left:20px; top:6px; bottom:6px; width:2px; background:linear-gradient(var(--electric),var(--copper),transparent); }
.tl { position:relative; padding:0 0 34px 60px; }
.tl:last-child { padding-bottom:0; }
.tl__dot { position:absolute; left:11px; top:2px; width:20px; height:20px; border-radius:50%; background:#fff; border:2px solid var(--electric); box-shadow:0 0 0 5px rgba(47,111,230,.12); }
.tl__yr { font-family:var(--f-mono); font-size:13px; color:var(--copper-2); letter-spacing:.08em; }
.tl h4 { font-size:19px; color:var(--heading); margin:5px 0 7px; }
.tl p { font-size:14.5px; }

/* ---------- 23. RESPONSIVE ---------- */
@media (max-width:1080px){
  .prod-grid,.testi-grid,.blog-grid,.benefit-grid,.gallery-grid { grid-template-columns:repeat(2,1fr); }
  .ind-grid,.size-grid { grid-template-columns:repeat(3,1fr); }
  .process__track { grid-template-columns:repeat(3,1fr); gap:34px; }
  .process__track::before { display:none; }
  .footer__top { grid-template-columns:1fr 1fr; }
  .split,.split--wide { grid-template-columns:1fr; }
}
@media (max-width:820px){
  .topbar { display:none; }
  .mainnav { position:fixed; inset:76px 0 auto 0; flex-direction:column; align-items:stretch; gap:0; background:rgba(255,255,255,.98); backdrop-filter:blur(20px); border-bottom:1px solid var(--line); padding:12px var(--gutter) 24px; transform:translateY(-120%); transition:transform .4s var(--ease); max-height:calc(100svh - 76px); overflow-y:auto; box-shadow:var(--shadow-lg); }
  .mainnav.open { transform:translateY(0); }
  .mainnav > li > a { padding:15px 8px; font-size:16px; }
  .mega { position:static; transform:none; width:100%; opacity:1; visibility:visible; background:transparent; border:0; box-shadow:none; padding:6px 0 6px 14px; }
  .mega__grid { grid-template-columns:1fr; }
  .mega__cta { display:none; }
  .has-mega:hover .mega { transform:none; }
  .burger { display:flex; }
  .nav-toggle.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
  .stats { grid-template-columns:repeat(2,1fr); }
  .feat-grid { grid-template-columns:1fr; }
  .prod-grid,.testi-grid,.blog-grid,.ind-grid,.benefit-grid,.gallery-grid,.size-grid { grid-template-columns:1fr; }
  .size-grid { grid-template-columns:repeat(2,1fr); }
  .process__track { grid-template-columns:1fr; }
  .footer__top { grid-template-columns:1fr; gap:32px; }
  .nav-tools .btn--desktop { display:none; }
}