/* =========================================================================
   FOTONİK — Akıllı Cihazlar Üretir
   Tasarım Sistemi / Design System
   Crafted with care • 2026
   ========================================================================= */

/* ----------------------------------------------------------------------
   0. Design Tokens
---------------------------------------------------------------------- */
:root {
  /* Brand */
  --blue:        #009fe3;
  --blue-600:    #0086c6;
  --blue-700:    #006ba6;
  --cyan:        #2bc7f4;
  --cyan-glow:   #4ad9ff;
  --sky:         #8fdcf6;
  --red:         #e8202a;
  --red-soft:    #ff4d57;

  /* Ink / Neutrals */
  --ink:         #061525;
  --ink-2:       #0a2138;
  --ink-3:       #102c47;
  --slate:       #33506b;
  --muted:       #6a8299;
  --line:        #e3edf4;
  --line-dark:   rgba(255,255,255,.10);

  /* Surfaces */
  --bg:          #f4f8fb;
  --bg-soft:     #eaf3f9;
  --white:       #ffffff;

  /* Gradients */
  --grad-brand:  linear-gradient(120deg, #00b6f0 0%, #009fe3 45%, #0073c4 100%);
  --grad-cyan:   linear-gradient(120deg, #4ad9ff 0%, #009fe3 100%);
  --grad-ink:    linear-gradient(165deg, #0a2138 0%, #061525 100%);
  --grad-red:    linear-gradient(120deg, #ff4d57, #e8202a);

  /* Typography */
  --font-head: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Spacing / radius */
  --radius-sm: 10px;
  --radius:    18px;
  --radius-lg: 28px;
  --radius-xl: 40px;

  /* Shadows */
  --shadow-sm: 0 4px 16px rgba(6,21,37,.06);
  --shadow:    0 18px 50px -18px rgba(6,21,37,.22);
  --shadow-lg: 0 40px 90px -30px rgba(6,21,37,.30);
  --shadow-blue: 0 24px 60px -22px rgba(0,159,227,.55);

  /* Layout */
  --container: 1240px;
  --nav-h: 84px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ----------------------------------------------------------------------
   1. Reset
---------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink-2);
  line-height: 1.65;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }
::selection { background: var(--blue); color: #fff; }

/* ----------------------------------------------------------------------
   2. Typography
---------------------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--ink);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -.02em;
}
.h-display { font-size: clamp(2.6rem, 6vw, 5rem); font-weight: 600; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); }

p { color: var(--slate); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--font-head);
  font-size: .82rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--blue-700);
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px;
  background: var(--grad-red); border-radius: 2px;
}
.eyebrow.light { color: var(--cyan-glow); }

.text-grad {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.text-red { color: var(--red); }

/* ----------------------------------------------------------------------
   3. Layout helpers
---------------------------------------------------------------------- */
.container { width: min(100% - 48px, var(--container)); margin-inline: auto; }
.section { padding: clamp(70px, 9vw, 130px) 0; position: relative; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: 18px; font-size: 1.08rem; }
.lead { font-size: 1.18rem; color: var(--slate); }

.grid { display: grid; gap: 28px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.bg-soft { background: var(--bg-soft); }
.bg-ink { background: var(--ink); color: #dce8f2; }
.bg-ink h1, .bg-ink h2, .bg-ink h3, .bg-ink h4 { color: #fff; }
.bg-ink p { color: #9fb6cb; }

/* ----------------------------------------------------------------------
   4. Buttons
---------------------------------------------------------------------- */
.btn {
  --bg: var(--grad-brand);
  position: relative; display: inline-flex; align-items: center; gap: .65em;
  padding: 15px 30px; border-radius: 100px;
  font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  color: #fff; background: var(--blue);
  background-image: var(--bg); background-size: 160% 160%;
  box-shadow: var(--shadow-blue);
  transition: transform .4s var(--ease-out), box-shadow .4s var(--ease), background-position .6s var(--ease);
  overflow: hidden; isolation: isolate;
}
.btn svg { width: 18px; height: 18px; transition: transform .4s var(--ease); }
.btn:hover { transform: translateY(-3px); background-position: 100% 50%; box-shadow: 0 30px 70px -20px rgba(0,159,227,.7); }
.btn:hover svg { transform: translateX(4px); }
.btn::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .7s var(--ease);
}
.btn:hover::after { transform: translateX(120%); }

.btn.ghost {
  background: transparent; background-image: none; color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--line);
}
.btn.ghost:hover { box-shadow: inset 0 0 0 1.5px var(--blue); color: var(--blue-700); transform: translateY(-3px); }
.btn.light { background-image: none; background: #fff; color: var(--ink); box-shadow: 0 18px 40px -16px rgba(0,0,0,.4); }
.btn.outline-light { background: transparent; background-image: none; color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.3); }
.btn.outline-light:hover { box-shadow: inset 0 0 0 1.5px var(--cyan-glow); }
.btn.sm { padding: 11px 22px; font-size: .9rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-head); font-weight: 600; color: var(--blue-700);
  transition: gap .3s var(--ease), color .3s;
}
.link-arrow svg { width: 17px; transition: transform .3s var(--ease); }
.link-arrow:hover { gap: .85em; color: var(--blue); }

/* ----------------------------------------------------------------------
   5. Header / Navigation
---------------------------------------------------------------------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: var(--grad-brand); z-index: 1000;
  box-shadow: 0 0 14px rgba(43,199,244,.7);
}

.site-header {
  position: fixed; inset: 0 0 auto 0; height: var(--nav-h); z-index: 900;
  display: flex; align-items: center;
  transition: height .4s var(--ease), background .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  opacity: 0; transition: opacity .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled { height: 70px; }
.site-header.scrolled::before { opacity: 1; border-bottom: 1px solid var(--line); }

.nav { position: relative; width: min(100% - 48px, var(--container)); margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; z-index: 2; }
.brand img { height: 42px; width: auto; transition: height .4s var(--ease); }
.site-header.scrolled .brand img { height: 36px; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 16px; border-radius: 100px;
  font-family: var(--font-head); font-weight: 500; font-size: .96rem;
  color: var(--ink-2); transition: color .3s, background .3s;
}
.nav-link svg.caret { width: 12px; transition: transform .35s var(--ease); opacity: .6; }
.nav-item:hover > .nav-link { color: var(--blue-700); }
.nav-item.has-mega:hover > .nav-link svg.caret { transform: rotate(180deg); }
.nav-link.active { color: var(--blue); }
.nav-link.active::after {
  content: ""; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 5px; height: 5px; border-radius: 50%; background: var(--red);
}

.nav-actions { display: flex; align-items: center; gap: 14px; z-index: 2; }
.lang-switch { display: flex; align-items: center; gap: 2px; font-family: var(--font-head);
  font-weight: 600; font-size: .82rem; color: var(--muted); }
.lang-switch a { padding: 5px 8px; border-radius: 8px; transition: .3s; }
.lang-switch a.on { color: var(--blue); background: rgba(0,159,227,.1); }
.lang-switch a:hover { color: var(--ink); }
.lang-switch span { opacity: .35; }

/* Mega menu */
.mega {
  position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%) translateY(12px);
  width: max-content; max-width: 92vw;
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  padding: 26px; opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .35s var(--ease), transform .45s var(--ease-out), visibility .35s;
}
.mega::before {
  content: ""; position: absolute; top: -18px; left: 0; right: 0; height: 18px;
}
.nav-item.has-mega:hover .mega { opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0); }
.mega-grid { display: grid; gap: 8px 30px; }
.mega-col-title {
  font-family: var(--font-head); font-weight: 600; font-size: .78rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--blue);
  margin-bottom: 6px; padding-left: 12px;
}
.mega-link {
  display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-radius: 12px;
  color: var(--ink-2); font-weight: 500; font-size: .94rem;
  transition: background .25s, color .25s, transform .25s;
}
.mega-link .mi {
  display: grid; place-items: center; width: 34px; height: 34px; flex: none;
  border-radius: 10px; background: var(--bg-soft); color: var(--blue-700);
  transition: .3s;
}
.mega-link .mi svg { width: 18px; height: 18px; }
.mega-link:hover { background: var(--bg-soft); color: var(--blue-700); }
.mega-link:hover .mi { background: var(--grad-brand); color: #fff; transform: rotate(-6deg) scale(1.05); }
.mega-link small { display: block; font-size: .76rem; color: var(--muted); font-weight: 400; }

.mega.feature { display: grid; grid-template-columns: 1.4fr 1fr; gap: 26px; align-items: stretch; }
.mega-feature-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--grad-ink); color: #fff; padding: 24px; min-width: 240px;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.mega-feature-card h4 { color: #fff; font-size: 1.15rem; }
.mega-feature-card p { color: #9fb6cb; font-size: .86rem; margin: 8px 0 14px; }
.mega-feature-card .glow {
  position: absolute; width: 180px; height: 180px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,199,244,.5), transparent 70%);
  top: -40px; right: -40px;
}

/* Hamburger */
.nav-toggle { display: none; width: 46px; height: 46px; border-radius: 12px;
  background: var(--white); box-shadow: var(--shadow-sm); position: relative; z-index: 2; }
.nav-toggle span { position: absolute; left: 13px; width: 20px; height: 2px; background: var(--ink);
  border-radius: 2px; transition: .35s var(--ease); }
.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 23px; }
.nav-toggle span:nth-child(3) { top: 29px; }
body.menu-open .nav-toggle span:nth-child(1) { top: 23px; transform: rotate(45deg); }
body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle span:nth-child(3) { top: 23px; transform: rotate(-45deg); }

/* ----------------------------------------------------------------------
   6. Mobile drawer
---------------------------------------------------------------------- */
.mobile-nav {
  position: fixed; inset: 0; z-index: 880;
  background: #fff; padding: 100px 24px 40px;
  transform: translateX(100%); transition: transform .55s var(--ease-out);
  overflow-y: auto; display: none;
}
.mobile-nav.show { display: block; }
body.menu-open .mobile-nav { transform: translateX(0); }
.m-group { border-bottom: 1px solid var(--line); }
.m-link { display: flex; align-items: center; justify-content: space-between;
  padding: 16px 4px; font-family: var(--font-head); font-weight: 500; font-size: 1.15rem; color: var(--ink); }
.m-link svg { width: 18px; transition: transform .3s; color: var(--muted); }
.m-group.open .m-link svg { transform: rotate(90deg); }
.m-sub { max-height: 0; overflow: hidden; transition: max-height .45s var(--ease); }
.m-group.open .m-sub { max-height: 800px; }
.m-sub a { display: block; padding: 11px 16px; color: var(--slate); font-size: 1rem; }
.m-sub a:active { color: var(--blue); }

/* ----------------------------------------------------------------------
   7. Hero
---------------------------------------------------------------------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: var(--grad-ink); color: #fff; overflow: hidden;
  padding-top: var(--nav-h);
}
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }
.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(60px); z-index: 0; opacity: .55;
}
.hero-glow.a { width: 520px; height: 520px; background: radial-gradient(circle, rgba(0,159,227,.55), transparent 65%); top: -120px; right: -80px; }
.hero-glow.b { width: 460px; height: 460px; background: radial-gradient(circle, rgba(43,199,244,.35), transparent 65%); bottom: -120px; left: -60px; }
.hero-glow.c { width: 320px; height: 320px; background: radial-gradient(circle, rgba(232,32,42,.22), transparent 65%); bottom: 10%; right: 18%; }

.hero .container { position: relative; z-index: 3; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 8px 8px 16px;
  border-radius: 100px; background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14); font-size: .85rem; color: #cfe2f0;
  margin-bottom: 26px; backdrop-filter: blur(6px);
}
.hero-badge b { color: #fff; font-weight: 600; }
.hero-badge .pill { background: var(--grad-red); color: #fff; font-weight: 600;
  padding: 4px 12px; border-radius: 100px; font-size: .76rem; font-family: var(--font-head); }

.hero h1 { color: #fff; font-size: clamp(2.6rem, 5.6vw, 4.7rem); letter-spacing: -.03em; }
.hero h1 .word { display: inline-block; }
.hero p.sub { margin: 26px 0 36px; font-size: 1.2rem; color: #aec6da; max-width: 540px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }

.hero-stats { display: flex; gap: 38px; margin-top: 56px; flex-wrap: wrap; }
.hero-stat .num { font-family: var(--font-head); font-size: 2.6rem; font-weight: 600; color: #fff; line-height: 1; }
.hero-stat .num small { font-size: 1.4rem; color: var(--cyan-glow); }
.hero-stat .lbl { font-size: .9rem; color: #8fa9bf; margin-top: 8px; }

/* Hero visual (chip / butterfly) */
.hero-visual { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.hero-orbit { position: absolute; inset: 0; }
.hero-orbit .ring {
  position: absolute; inset: 0; margin: auto; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.12);
}
.hero-orbit .ring.r1 { width: 100%; height: 100%; animation: spin 28s linear infinite; }
.hero-orbit .ring.r2 { width: 74%; height: 74%; border-color: rgba(43,199,244,.25); animation: spin 22s linear infinite reverse; }
.hero-orbit .ring.r3 { width: 48%; height: 48%; border-style: dashed; border-color: rgba(255,255,255,.18); animation: spin 16s linear infinite; }
.hero-orbit .node { position: absolute; width: 12px; height: 12px; border-radius: 50%;
  background: var(--cyan-glow); box-shadow: 0 0 18px var(--cyan-glow); top: -6px; left: 50%; }
.hero-chip {
  position: relative; width: 46%; aspect-ratio: 1; border-radius: 26px;
  background: linear-gradient(160deg, rgba(255,255,255,.12), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(8px);
  display: grid; place-items: center; box-shadow: 0 30px 70px -20px rgba(0,0,0,.6);
  animation: float 6s ease-in-out infinite;
}
.hero-chip img { width: 62%; filter: drop-shadow(0 8px 24px rgba(43,199,244,.5)); }
.hero-butterfly {
  position: absolute; width: 64px; opacity: .9;
  filter: drop-shadow(0 6px 20px rgba(43,199,244,.6));
  animation: flutter 7s ease-in-out infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float { 0%,100%{ transform: translateY(-10px); } 50%{ transform: translateY(10px); } }
@keyframes flutter {
  0%,100% { transform: translate(0,0) rotate(0deg); }
  50% { transform: translate(14px,-18px) rotate(6deg); }
}

.scroll-hint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: #87a2b8; font-size: .76rem; letter-spacing: .2em; text-transform: uppercase;
  font-family: var(--font-head);
}
.scroll-hint .mouse { width: 22px; height: 36px; border: 1.5px solid rgba(255,255,255,.3);
  border-radius: 12px; position: relative; }
.scroll-hint .mouse::before { content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%);
  width: 3px; height: 7px; background: var(--cyan-glow); border-radius: 2px; animation: wheel 1.6s infinite; }
@keyframes wheel { 0%{opacity:0;transform:translate(-50%,0);} 40%{opacity:1;} 100%{opacity:0;transform:translate(-50%,12px);} }

/* ----------------------------------------------------------------------
   8. Marquee (partners / keywords)
---------------------------------------------------------------------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 60px; width: max-content; animation: marquee 36s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee-track img { height: 42px; width: auto; object-fit: contain; opacity: .55;
  filter: grayscale(1); transition: .4s; }
.marquee-track img:hover { opacity: 1; filter: grayscale(0); transform: scale(1.05); }

.kw-marquee { background: var(--ink); color: #fff; padding: 18px 0; }
.kw-marquee .marquee-track { gap: 28px; animation-duration: 28s; }
.kw-item { display: inline-flex; align-items: center; gap: 14px; font-family: var(--font-head);
  font-weight: 500; font-size: 1.25rem; color: rgba(255,255,255,.85); white-space: nowrap; }
.kw-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); }

/* ----------------------------------------------------------------------
   9. Cards
---------------------------------------------------------------------- */
.card {
  position: relative; background: #fff; border-radius: var(--radius-lg);
  border: 1px solid var(--line); padding: 32px;
  transition: transform .5s var(--ease-out), box-shadow .5s var(--ease), border-color .5s;
  overflow: hidden;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: transparent; }
.card .card-ico {
  width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center;
  background: var(--bg-soft); color: var(--blue-700); margin-bottom: 22px;
  transition: .45s var(--ease);
}
.card .card-ico svg { width: 28px; height: 28px; }
.card:hover .card-ico { background: var(--grad-brand); color: #fff; transform: rotate(-8deg); box-shadow: var(--shadow-blue); }
.card h3 { margin-bottom: 10px; }
.card p { font-size: .98rem; }
.card .card-num { position: absolute; top: 22px; right: 26px; font-family: var(--font-head);
  font-weight: 700; font-size: 2.4rem; color: var(--bg-soft); transition: .4s; }
.card:hover .card-num { color: rgba(0,159,227,.12); }

/* Sector card with image */
.sector-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  min-height: 340px; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 30px; color: #fff; background: var(--ink-2); isolation: isolate;
  transition: transform .55s var(--ease-out);
}
.sector-card img.bg {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
  object-position: center 35%; z-index: -2; padding: 24px;
  transition: transform .7s var(--ease-out); background: radial-gradient(circle at 50% 35%, #15314e, #0a2138);
}
.sector-card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to top, rgba(6,21,37,.94) 8%, rgba(6,21,37,.45) 45%, rgba(6,21,37,.15) 100%);
}
.sector-card:hover { transform: translateY(-8px); }
.sector-card:hover img.bg { transform: scale(1.08); }
.sector-card .tag { font-family: var(--font-head); font-size: .76rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--cyan-glow); margin-bottom: 8px; }
.sector-card h3 { color: #fff; font-size: 1.5rem; }
.sector-card p { color: #b9cee0; font-size: .94rem; margin-top: 8px; }
.sector-card .go { margin-top: 18px; display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: .9rem; color: #fff; }
.sector-card .go svg { width: 16px; transition: transform .35s; }
.sector-card:hover .go svg { transform: translateX(5px); }
.sector-card.wide { grid-column: span 2; }

/* Product card */
.prod-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform .45s var(--ease-out), box-shadow .45s, border-color .45s;
  display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.prod-card .thumb {
  aspect-ratio: 4/3; background: var(--bg-soft); display: grid; place-items: center;
  overflow: hidden; position: relative;
}
.prod-card .thumb img { width: 70%; height: 70%; object-fit: contain; transition: transform .55s var(--ease-out); }
.prod-card:hover .thumb img { transform: scale(1.08) rotate(-2deg); }
.prod-card .thumb .badge { position: absolute; top: 14px; left: 14px; background: #fff;
  color: var(--blue-700); font-family: var(--font-head); font-weight: 600; font-size: .72rem;
  padding: 5px 12px; border-radius: 100px; box-shadow: var(--shadow-sm); }
.prod-card .body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.prod-card .body h4 { font-size: 1.12rem; margin-bottom: 8px; }
.prod-card .body p { font-size: .9rem; flex: 1; }
.prod-card .body .more { margin-top: 16px; }

/* ----------------------------------------------------------------------
   10. Feature / split
---------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 80px); align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { position: relative; }
.media-frame {
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg);
  position: relative; background: var(--bg-soft);
}
.media-frame img { width: 100%; }
.media-float {
  position: absolute; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px 22px; display: flex; align-items: center; gap: 14px;
}
.media-float.tl { top: -22px; left: -22px; }
.media-float.br { bottom: -22px; right: -22px; }
.media-float .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--grad-brand);
  display: grid; place-items: center; color: #fff; }
.media-float .ic svg { width: 22px; }
.media-float .t { font-family: var(--font-head); font-weight: 700; color: var(--ink); font-size: 1.05rem; }
.media-float .s { font-size: .78rem; color: var(--muted); }

.feature-list { display: flex; flex-direction: column; gap: 18px; margin-top: 28px; }
.feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.feature-list .check { flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: rgba(0,159,227,.12); color: var(--blue); display: grid; place-items: center; margin-top: 2px; }
.feature-list .check svg { width: 15px; }
.feature-list b { color: var(--ink); font-family: var(--font-head); }

/* ----------------------------------------------------------------------
   11. Stats band
---------------------------------------------------------------------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat {
  text-align: center; padding: 30px 20px; border-radius: var(--radius);
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
  transition: .45s var(--ease);
}
.stat:hover { background: rgba(255,255,255,.07); transform: translateY(-5px); }
.stat .num { font-family: var(--font-head); font-size: clamp(2.4rem, 4vw, 3.4rem); font-weight: 600;
  background: var(--grad-cyan); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.stat .lbl { color: #9fb6cb; margin-top: 12px; font-size: .96rem; }

/* ----------------------------------------------------------------------
   12. Process / timeline
---------------------------------------------------------------------- */
.steps { counter-reset: step; display: grid; gap: 24px; }
.step {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 30px 30px; transition: .45s var(--ease); overflow: hidden;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--font-head); font-weight: 700; font-size: 1.05rem;
  color: var(--blue); display: inline-block; margin-bottom: 16px;
  padding: 6px 14px; border-radius: 100px; background: rgba(0,159,227,.1);
}
.step h4 { margin-bottom: 8px; }
.step .bar { position: absolute; bottom: 0; left: 0; height: 4px; width: 0; background: var(--grad-brand); transition: width .6s var(--ease); }
.step:hover .bar { width: 100%; }

/* ----------------------------------------------------------------------
   13. Page hero (inner pages)
---------------------------------------------------------------------- */
.page-hero {
  position: relative; padding: calc(var(--nav-h) + 70px) 0 70px; overflow: hidden;
  background: var(--grad-ink); color: #fff;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background:
    radial-gradient(420px 320px at 85% 0%, rgba(0,159,227,.4), transparent 70%),
    radial-gradient(360px 300px at 5% 100%, rgba(43,199,244,.22), transparent 70%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; max-width: 18ch; }
.page-hero p { color: #a9c2d6; max-width: 60ch; margin-top: 16px; font-size: 1.12rem; }
.crumbs { display: flex; gap: 10px; align-items: center; font-size: .86rem; color: #8aa6bd; margin-bottom: 22px; }
.crumbs a { color: var(--cyan-glow); }
.crumbs svg { width: 12px; opacity: .6; }
.page-hero .grid-deco {
  position: absolute; inset: 0; z-index: 1; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(circle at 70% 40%, #000, transparent 75%);
  mask-image: radial-gradient(circle at 70% 40%, #000, transparent 75%);
}

/* ----------------------------------------------------------------------
   14. Accordion (mission/values, faq)
---------------------------------------------------------------------- */
.accordion { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-head { width: 100%; text-align: left; display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 26px 4px; font-family: var(--font-head); font-weight: 600; font-size: 1.2rem; color: var(--ink); }
.acc-head .pm { flex: none; width: 34px; height: 34px; border-radius: 50%; background: var(--bg-soft);
  display: grid; place-items: center; transition: .4s var(--ease); position: relative; }
.acc-head .pm::before, .acc-head .pm::after { content: ""; position: absolute; background: var(--blue);
  border-radius: 2px; transition: .35s var(--ease); }
.acc-head .pm::before { width: 14px; height: 2px; }
.acc-head .pm::after { width: 2px; height: 14px; }
.acc-item.open .acc-head .pm { background: var(--grad-brand); }
.acc-item.open .acc-head .pm::before, .acc-item.open .acc-head .pm::after { background: #fff; }
.acc-item.open .acc-head .pm::after { transform: rotate(90deg); opacity: 0; }
.acc-body { max-height: 0; overflow: hidden; transition: max-height .5s var(--ease); }
.acc-body .inner { padding: 0 4px 28px; color: var(--slate); max-width: 70ch; }

/* ----------------------------------------------------------------------
   15. Contact
---------------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: start; }
.office-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  transition: .4s var(--ease); display: flex; gap: 18px;
}
.office-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: transparent; }
.office-card .flag { width: 48px; height: 48px; border-radius: 12px; background: var(--grad-brand);
  display: grid; place-items: center; color: #fff; flex: none; font-family: var(--font-head); font-weight: 700; }
.office-card h4 { font-size: 1.1rem; margin-bottom: 6px; }
.office-card p { font-size: .92rem; margin-bottom: 4px; }
.office-card a { color: var(--blue-700); font-weight: 500; }

.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(26px, 4vw, 44px); box-shadow: var(--shadow); }
.field { margin-bottom: 20px; position: relative; }
.field label { display: block; font-family: var(--font-head); font-weight: 500; font-size: .88rem;
  color: var(--ink-2); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 15px 18px; border-radius: 14px; border: 1.5px solid var(--line);
  background: var(--bg); color: var(--ink); transition: .3s; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 4px rgba(0,159,227,.12); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: .82rem; color: var(--muted); margin-top: 10px; }

/* ----------------------------------------------------------------------
   16. Gallery
---------------------------------------------------------------------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; grid-auto-rows: 220px; }
.gal-item { position: relative; border-radius: var(--radius); overflow: hidden; cursor: pointer;
  background: var(--bg-soft); }
.gal-item.tall { grid-row: span 2; }
.gal-item.wide { grid-column: span 2; }
.gal-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease-out); }
.gal-item:hover img { transform: scale(1.08); }
.gal-item .ov { position: absolute; inset: 0; background: linear-gradient(to top, rgba(6,21,37,.8), transparent 60%);
  opacity: 0; transition: .4s; display: flex; align-items: flex-end; padding: 20px; color: #fff;
  font-family: var(--font-head); font-weight: 600; }
.gal-item:hover .ov { opacity: 1; }

/* ----------------------------------------------------------------------
   17. CTA band
---------------------------------------------------------------------- */
.cta-band { position: relative; border-radius: var(--radius-xl); overflow: hidden;
  background: var(--grad-ink); color: #fff; padding: clamp(40px, 6vw, 76px);
  text-align: center; isolation: isolate; }
.cta-band::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .6;
  background: radial-gradient(500px 360px at 80% 10%, rgba(0,159,227,.5), transparent 70%),
             radial-gradient(420px 320px at 10% 90%, rgba(232,32,42,.2), transparent 70%); }
.cta-band h2 { color: #fff; max-width: 20ch; margin-inline: auto; }
.cta-band p { color: #aec6da; max-width: 54ch; margin: 18px auto 32px; font-size: 1.12rem; }
.cta-band .hero-cta { justify-content: center; }

/* ----------------------------------------------------------------------
   18. Footer
---------------------------------------------------------------------- */
.site-footer { background: var(--ink); color: #9fb6cb; padding: 80px 0 30px; position: relative; overflow: hidden; }
.site-footer::before { content: ""; position: absolute; top: -1px; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent); }
.footer-glow { position: absolute; width: 600px; height: 400px; border-radius: 50%; bottom: -200px; left: 50%;
  transform: translateX(-50%); background: radial-gradient(circle, rgba(0,159,227,.18), transparent 70%); }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; position: relative; }
.footer-brand img { height: 46px; margin-bottom: 20px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: .95rem; max-width: 34ch; }
.footer-col h5 { color: #fff; font-family: var(--font-head); font-size: 1rem; margin-bottom: 18px; }
.footer-col a { display: block; padding: 7px 0; font-size: .94rem; transition: .3s; }
.footer-col a:hover { color: var(--cyan-glow); transform: translateX(4px); }
.footer-social { display: flex; gap: 12px; margin-top: 22px; }
.footer-social a { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(255,255,255,.06); color: #cfe2f0; transition: .35s var(--ease); }
.footer-social a:hover { background: var(--grad-brand); color: #fff; transform: translateY(-4px); }
.footer-social svg { width: 19px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px;
  margin-top: 56px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.08); font-size: .86rem; flex-wrap: wrap; }
.footer-bottom .links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-bottom a:hover { color: var(--cyan-glow); }

/* ----------------------------------------------------------------------
   19. Custom cursor & preloader
---------------------------------------------------------------------- */
.cursor-dot, .cursor-ring { position: fixed; top: 0; left: 0; border-radius: 50%; pointer-events: none;
  z-index: 9999; transform: translate(-50%, -50%); mix-blend-mode: normal; }
.cursor-dot { width: 7px; height: 7px; background: var(--blue); }
.cursor-ring { width: 38px; height: 38px; border: 1.5px solid rgba(0,159,227,.5);
  transition: width .3s, height .3s, background .3s, border-color .3s; }
.cursor-ring.hover { width: 56px; height: 56px; background: rgba(0,159,227,.08); border-color: var(--blue); }
body.using-touch .cursor-dot, body.using-touch .cursor-ring { display: none; }

.preloader { position: fixed; inset: 0; z-index: 99999; background: var(--ink);
  display: grid; place-items: center; transition: opacity .6s var(--ease), visibility .6s; }
.preloader.done { opacity: 0; visibility: hidden; }
.preloader .pl-inner { text-align: center; }
.preloader img { height: 56px; filter: brightness(0) invert(1); animation: plpulse 1.6s ease-in-out infinite; }
.preloader .bar { width: 180px; height: 3px; background: rgba(255,255,255,.12); border-radius: 3px; margin: 26px auto 0; overflow: hidden; }
.preloader .bar i { display: block; height: 100%; width: 40%; background: var(--grad-cyan);
  border-radius: 3px; animation: plbar 1.2s var(--ease) infinite; }
@keyframes plpulse { 0%,100%{ opacity: .6; transform: scale(.98);} 50%{ opacity: 1; transform: scale(1);} }
@keyframes plbar { 0%{ transform: translateX(-120%);} 100%{ transform: translateX(320%);} }

/* ----------------------------------------------------------------------
   20. Reveal animations
---------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }
.reveal.d5 { transition-delay: .40s; } .reveal.d6 { transition-delay: .48s; }
.reveal.left { transform: translateX(-44px); } .reveal.left.in { transform: none; }
.reveal.right { transform: translateX(44px); } .reveal.right.in { transform: none; }
.reveal.zoom { transform: scale(.94); } .reveal.zoom.in { transform: none; }

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

/* ----------------------------------------------------------------------
   21. Misc
---------------------------------------------------------------------- */
.tag-pill { display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 100px;
  background: rgba(0,159,227,.1); color: var(--blue-700); font-family: var(--font-head); font-weight: 500; font-size: .84rem; }
.divider-light { height: 1px; background: var(--line); border: none; }
.center { text-align: center; }
.mt-s { margin-top: 14px; } .mt-m { margin-top: 28px; } .mt-l { margin-top: 48px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 8px 16px; border-radius: 100px; background: var(--bg-soft); color: var(--slate);
  font-size: .88rem; font-weight: 500; border: 1px solid transparent; transition: .3s; }
.chip:hover, .chip.active { background: var(--grad-brand); color: #fff; }

.value-card { padding: 30px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line);
  transition: .45s var(--ease); }
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.value-card .vc-ico { width: 54px; height: 54px; border-radius: 14px; background: var(--grad-ink); color: var(--cyan-glow);
  display: grid; place-items: center; margin-bottom: 20px; }
.value-card .vc-ico svg { width: 26px; }

/* category blocks (sectors page) */
.cat-block + .cat-block { margin-top: 70px; }
.cat-block-head { display: flex; gap: 20px; align-items: flex-start; margin-bottom: 34px;
  padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.cat-block-head .cat-ico { flex: none; width: 56px; height: 56px; border-radius: 16px;
  background: var(--grad-brand); color: #fff; display: grid; place-items: center; box-shadow: var(--shadow-blue); }
.cat-block-head .cat-ico svg { width: 28px; }
.cat-block-head h3 { font-size: 1.5rem; margin-bottom: 6px; }
.cat-block-head p { max-width: 60ch; font-size: .98rem; }
.ml-t { font-weight: 500; }

/* spec list */
.spec-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px 30px; }
.spec-row { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.spec-row .k { color: var(--muted); font-size: .92rem; }
.spec-row .v { color: var(--ink); font-weight: 600; font-family: var(--font-head); font-size: .95rem; text-align: right; }

/* ----------------------------------------------------------------------
   22. Responsive
---------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  :root { --nav-h: 72px; }
  .nav-menu, .nav-actions .lang-switch { display: none; }
  .nav-toggle { display: block; }
  .split, .split.reverse .split-media { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .stats-band { grid-template-columns: repeat(2,1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .sector-card.wide { grid-column: span 1; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
  .form-row, .spec-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .section-head { margin-bottom: 38px; }
}