/* ==========================================================================
   DARKA TEKNOLOJİ — Master Stylesheet
   Editorial / enterprise / native-integration aesthetic
   ========================================================================== */

:root {
  /* Palette: deep corporate navy + white (enterprise security) */
  --ink:        #0a1a33;   /* deep navy — primary bg */
  --ink-2:      #0f2344;   /* slightly lighter navy */
  --surface:    #15305a;   /* panel bg */
  --surface-2:  #1d3d70;   /* elevated panel */
  --surface-3:  #264d87;   /* highest elevation */
  --hairline:   rgba(255, 255, 255, 0.08);
  --hairline-s: rgba(255, 255, 255, 0.14);
  --hairline-b: rgba(255, 255, 255, 0.22);

  --paper:      #ffffff;   /* pure white — primary text */
  --paper-dim:  #b8c5d9;   /* dim text */
  --paper-mute: #7a8aa5;   /* muted label text */

  /* Accent: accessible blue (used to be amber) */
  --amber:      #5b9bf2;
  --amber-d:    #2d6fc9;
  --amber-l:    #8fb8f5;
  --amber-glow: rgba(91, 155, 242, 0.28);

  --cobalt:     #4a7fcc;
  --emerald:    #30a46c;
  --crimson:    #e5484d;
  --gold:       #d4af37;

  /* Corporate type stack — IBM Plex family */
  --font-display: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-body:    "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1360px;
  --pad-x: clamp(20px, 4vw, 48px);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  background: var(--ink);
  color: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-image:
    radial-gradient(1200px 700px at 85% -10%, rgba(91, 155, 242, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 40%, rgba(45, 111, 201, 0.06), transparent 70%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

/* ---------- Section chrome ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); }
section { padding: clamp(70px, 10vw, 140px) 0; position: relative; }
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-mute);
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.section-label::before {
  content: "";
  display: block;
  width: 36px; height: 1px;
  background: var(--amber);
}
.section-label .num { color: var(--amber); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}
.h-display {
  font-size: clamp(42px, 7vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 600;
}
.h-1 {
  font-size: clamp(34px, 4.5vw, 60px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.h-2 {
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.h-3 {
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.01em;
}
em, .italic {
  font-style: italic;
  font-weight: 500;
  color: var(--amber);
}
.stroke {
  -webkit-text-stroke: 1px var(--paper);
  color: transparent;
}
.lead {
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.55;
  color: var(--paper-dim);
  max-width: 60ch;
  font-weight: 400;
}

/* ---------- Top utility strip ---------- */
.strip {
  background: var(--ink-2);
  border-bottom: 1px solid var(--hairline);
  font-size: 12px;
  color: var(--paper-mute);
}
.strip-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 9px var(--pad-x);
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.strip .left {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 10.5px;
}
.strip .left::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-glow);
  display: inline-block;
}
.strip .right { display: inline-flex; gap: 22px; flex-wrap: wrap; }
.strip .right span { display: inline-flex; align-items: center; gap: 7px; }
.strip .right svg { width: 12px; height: 12px; opacity: 0.65; }
.strip a { color: var(--paper-dim); transition: color 0.2s; }
.strip a:hover { color: var(--amber); }

/* ---------- Header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 14, 26, 0.86);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--hairline);
}
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px var(--pad-x);
  display: flex; align-items: center; gap: 32px;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--paper);
  white-space: nowrap;
}
.brand-mark {
  position: relative;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.05em;
  border-radius: 2px;
}
.brand-mark::after {
  content: ""; position: absolute;
  inset: 0; border-radius: 2px;
  box-shadow: 3px 3px 0 var(--amber);
  pointer-events: none;
}
.brand-words {
  display: flex; flex-direction: column; line-height: 1.05;
}
.brand-words .a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.005em;
}
.brand-words .b {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-top: 3px;
}

.main-nav {
  display: flex;
  gap: 2px;
  flex: 1;
}
.main-nav > * {
  position: relative;
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--paper-dim);
  transition: color 0.15s;
  letter-spacing: 0.005em;
}
.main-nav a:hover, .main-nav a.active { color: var(--paper); }
.main-nav a.active::before {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 1px;
  background: var(--amber);
}

.has-drop { position: relative; display: inline-block; }
.has-drop > .dropbtn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--paper-dim);
  transition: color 0.15s;
}
.has-drop > .dropbtn:hover, .has-drop.active > .dropbtn { color: var(--paper); }
.has-drop > .dropbtn svg { width: 9px; height: 9px; opacity: 0.6; }
.dropmenu {
  position: absolute;
  top: 100%; left: 0;
  background: var(--surface);
  border: 1px solid var(--hairline-s);
  min-width: 260px;
  padding: 10px;
  display: none;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 30px 50px -10px rgba(0,0,0,0.5);
  z-index: 20;
  border-radius: 3px;
}
.has-drop:hover .dropmenu, .has-drop:focus-within .dropmenu { display: flex; }
.dropmenu a {
  padding: 10px 12px;
  font-size: 13.5px;
  color: var(--paper-dim);
  display: flex; justify-content: space-between;
  align-items: center;
  gap: 14px;
  border-radius: 2px;
  transition: background 0.15s, color 0.15s;
}
.dropmenu a:hover { background: var(--surface-2); color: var(--amber); }
.dropmenu a small {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--paper-mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px;
  font-size: 13px;
  font-weight: 600;
  background: var(--amber);
  color: var(--ink);
  border-radius: 2px;
  white-space: nowrap;
  transition: transform 0.18s var(--ease), box-shadow 0.2s;
  position: relative;
}
.nav-cta::after {
  content: ""; position: absolute; inset: 0;
  border-radius: 2px;
  box-shadow: 3px 3px 0 var(--paper);
  transition: box-shadow 0.2s;
  pointer-events: none;
}
.nav-cta:hover { transform: translate(-2px, -2px); }
.nav-cta:hover::after { box-shadow: 5px 5px 0 var(--paper); }

.menu-toggle {
  display: none;
  color: var(--paper);
  padding: 8px;
}
.menu-toggle svg { width: 22px; height: 22px; }

/* ---------- Hero ---------- */
.hero {
  padding: clamp(80px, 11vw, 140px) var(--pad-x) clamp(80px, 10vw, 130px);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 85% 65% at 50% 50%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 85% 65% at 50% 50%, #000 20%, transparent 75%);
  opacity: 0.7;
  pointer-events: none;
}
.hero-inner {
  max-width: var(--maxw); margin: 0 auto;
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero h1.h-display {
  margin-top: 28px;
}
.hero h1 .line { display: block; }
.hero .lead { margin: 28px 0 40px; }
.hero-meta {
  margin-top: 60px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.hero-meta .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 8px;
}
.hero-meta .val {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.1;
}
.hero-meta .val em {
}

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 14px;
}

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 28px;
  border-radius: 2px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform 0.18s var(--ease);
  position: relative;
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; }
.btn-primary {
  background: var(--amber);
  color: var(--ink);
}
.btn-primary::after {
  content: ""; position: absolute; inset: 0;
  border-radius: 2px;
  box-shadow: 4px 4px 0 var(--paper);
  transition: box-shadow 0.2s;
  pointer-events: none;
}
.btn-primary:hover { transform: translate(-2px, -2px); }
.btn-primary:hover::after { box-shadow: 6px 6px 0 var(--paper); }

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--hairline-b);
}
.btn-ghost:hover { background: var(--surface); border-color: var(--paper-mute); }

/* Hero right: integration diagram */
.integration-viz {
  position: relative;
  aspect-ratio: 1 / 1.05;
  max-width: 520px;
  justify-self: end;
  width: 100%;
}
.integration-viz svg { width: 100%; height: 100%; display: block; }
.iv-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 26%; aspect-ratio: 1;
  background: var(--ink);
  border: 1px solid var(--hairline-b);
  border-radius: 50%;
  display: grid; place-items: center;
  z-index: 2;
  box-shadow: 0 0 60px var(--amber-glow), inset 0 0 0 6px rgba(255,169,43,0.06);
}
.iv-core-inner {
  text-align: center;
}
.iv-core-inner .lbl {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--paper-mute);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.iv-core-inner .name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.iv-core-inner .sub {
  font-size: 10px;
  color: var(--paper-mute);
  margin-top: 3px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.iv-node {
  position: absolute;
  width: 18%; aspect-ratio: 1;
  background: var(--surface);
  border: 1px solid var(--hairline-s);
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-dim);
  transition: all 0.4s var(--ease);
  z-index: 3;
}
.iv-node:hover {
  border-color: var(--amber);
  color: var(--amber);
  transform: scale(1.08);
}
.iv-node .t { line-height: 1.2; text-align: center; padding: 4px; }

/* pulse animation on lines */
@keyframes dashflow {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -30; }
}

/* ---------- Manifesto band ---------- */
.manifesto {
  padding: clamp(80px, 10vw, 140px) var(--pad-x);
  border-bottom: 1px solid var(--hairline);
  background: var(--ink-2);
}
.manifesto-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 80px;
  align-items: start;
}
.manifesto-quote {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 50px);
  line-height: 1.1;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 18ch;
}
.manifesto-quote em {
}

/* ---------- Solutions block ---------- */
.sols-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.sol {
  background: var(--ink);
  padding: 40px 34px 36px;
  grid-column: span 4;
  transition: background 0.3s;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 340px;
}
.sol:hover { background: var(--surface); }
.sol:hover .sol-icon { color: var(--amber); transform: rotate(-8deg) scale(1.05); }
.sol-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--paper-mute);
  text-transform: uppercase;
  margin-bottom: 40px;
  display: flex; justify-content: space-between;
}
.sol-num .k { color: var(--amber); }
.sol-icon {
  width: 56px; height: 56px;
  color: var(--paper);
  margin-bottom: 28px;
  transition: transform 0.3s var(--ease), color 0.2s;
}
.sol-icon svg { width: 100%; height: 100%; }
.sol h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.sol p {
  color: var(--paper-dim);
  font-size: 14.5px;
  line-height: 1.55;
  flex: 1;
  margin-bottom: 20px;
}
.sol-foot {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
}
.sol-foot svg { width: 11px; height: 11px; transition: transform 0.2s; }
.sol:hover .sol-foot svg { transform: translateX(4px); color: var(--amber); }

/* Large solution feature variants */
.sol.wide { grid-column: span 6; }
.sol.full { grid-column: span 12; }

/* ---------- Brands grid ---------- */
.brands-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.brand-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 32px 28px 28px;
  transition: all 0.25s var(--ease);
  display: flex; flex-direction: column;
  position: relative;
  min-height: 270px;
  border-radius: 2px;
  overflow: hidden;
}
.brand-card::before {
  content: ""; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.brand-card:hover { border-color: var(--hairline-b); transform: translateY(-4px); }
.brand-card:hover::before { transform: scaleX(1); }

.brand-card .bc-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 12px;
}
.brand-card .bc-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.brand-card .bc-sub {
  font-size: 12.5px;
  color: var(--paper-dim);
  margin-bottom: 18px;
  line-height: 1.5;
  flex: 1;
}
.brand-card .bc-role {
  padding: 5px 10px;
  background: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-dim);
  align-self: flex-start;
  margin-bottom: 18px;
}
.brand-card .bc-role.flagship { color: var(--amber); border-color: rgba(255,169,43,0.3); background: rgba(255,169,43,0.08); }
.brand-card .bc-cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
}
.brand-card .bc-cta svg { width: 11px; height: 11px; transition: transform 0.2s; }
.brand-card:hover .bc-cta svg { transform: translateX(3px); color: var(--amber); }

.brand-card.flagship {
  grid-column: span 2;
  background: linear-gradient(135deg, #1a2a4a 0%, #121b2d 100%);
  min-height: 290px;
}
.brand-card.flagship .bc-name { font-size: 44px; color: var(--paper); }
.brand-card.flagship .bc-sub { font-size: 14px; max-width: 38ch; }

/* ---------- Industries strip ---------- */
.industries-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.ind {
  background: var(--ink);
  padding: 42px 36px;
  min-height: 320px;
  transition: background 0.3s;
  display: flex; flex-direction: column;
}
.ind:hover { background: var(--surface); }
.ind .year {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--paper-mute);
  text-transform: uppercase;
  margin-bottom: 26px;
  display: flex; justify-content: space-between;
}
.ind .year .k { color: var(--amber); }
.ind h3 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.ind h3 em { color: var(--amber); }
.ind p { color: var(--paper-dim); font-size: 14px; line-height: 1.55; flex: 1; margin-bottom: 22px; }
.ind-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.ind-tag {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-mute);
  padding: 4px 9px;
  border: 1px solid var(--hairline);
  border-radius: 100px;
}

/* ---------- Stats band ---------- */
.stats-band {
  padding: clamp(70px, 9vw, 110px) var(--pad-x);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--ink);
}
.stats-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.stat .num {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 84px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.035em;
}
.stat .num em {
  color: var(--amber);
}
.stat .num span { color: var(--amber); }
.stat .lbl {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-top: 14px;
  max-width: 24ch;
  line-height: 1.5;
}

/* ---------- CTA ---------- */
.cta-band {
  padding: clamp(70px, 10vw, 130px) var(--pad-x);
  background: linear-gradient(135deg, var(--surface) 0%, var(--ink-2) 100%);
  color: var(--paper);
  border-top: 1px solid var(--hairline-s);
  border-bottom: 1px solid var(--hairline-s);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 100% 100%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 100% 100%, #000, transparent 75%);
}
.cta-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: end;
  position: relative;
}
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(44px, 6.2vw, 92px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.03em;
  max-width: 13ch;
}
.cta-inner h2 em {
}
.cta-inner h2 .stroke {
  -webkit-text-stroke: 1.5px var(--paper);
  color: transparent;
}
.cta-inner p { font-size: 17px; max-width: 40ch; margin-bottom: 24px; line-height: 1.55; }
.cta-right { display: flex; flex-direction: column; gap: 10px; }
.cta-right .btn-primary { background: var(--amber); color: var(--ink); }
.cta-right .btn-primary::after { box-shadow: 4px 4px 0 var(--paper); }
.cta-right .btn-primary:hover::after { box-shadow: 6px 6px 0 var(--paper); }
.cta-right .btn-ghost { border-color: var(--hairline-b); color: var(--paper); }
.cta-right .btn-ghost:hover { background: var(--surface-2); border-color: var(--paper-mute); }

/* ---------- Footer ---------- */
.site-foot {
  background: var(--ink);
  padding: 80px var(--pad-x) 24px;
  border-top: 1px solid var(--hairline);
}
.foot-top {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--hairline);
}
.foot-about p {
  font-size: 14px;
  color: var(--paper-dim);
  margin-top: 22px;
  max-width: 40ch;
  line-height: 1.6;
}
.foot-contact {
  margin-top: 26px;
  display: flex; flex-direction: column; gap: 12px;
  font-size: 13.5px;
  color: var(--paper);
}
.foot-contact-row { display: flex; gap: 12px; align-items: flex-start; }
.foot-contact-row svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 3px; color: var(--amber); }
.foot-contact-row a { color: var(--paper-dim); }
.foot-contact-row a:hover { color: var(--amber); }

.foot-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 18px;
}
.foot-col ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.foot-col a {
  font-size: 13.5px;
  color: var(--paper-dim);
  transition: color 0.15s;
}
.foot-col a:hover { color: var(--paper); }
.foot-bot {
  max-width: var(--maxw); margin: 30px auto 0;
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 14px;
  font-size: 11px;
  color: var(--paper-mute);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- Video showcase section ---------- */
.video-section {
  padding: clamp(70px, 10vw, 140px) 0;
  border-bottom: 1px solid var(--hairline);
  position: relative;
}
.video-section .lead { margin-top: 24px; margin-bottom: 50px; max-width: 62ch; }
.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--hairline-s);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.02);
}
.video-frame video {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
  background: #000;
}
.video-caption {
  position: absolute;
  top: 18px; left: 18px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  background: rgba(10, 26, 51, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--hairline-s);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  z-index: 2;
  pointer-events: none;
}
.video-caption .live-dot {
  width: 7px; height: 7px;
  background: #e5484d;
  border-radius: 50%;
  animation: livepulse 1.5s ease-in-out infinite;
}
@keyframes livepulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
}
.video-attr {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
  text-align: right;
}

/* ---------- Pages: interior standard hero ---------- */
.page-hero {
  padding: clamp(60px, 8vw, 110px) var(--pad-x) clamp(50px, 5vw, 80px);
  border-bottom: 1px solid var(--hairline);
  position: relative;
  overflow: hidden;
}
.page-hero-inner { max-width: var(--maxw); margin: 0 auto; position: relative; }
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 24px;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--amber); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .now { color: var(--paper); }

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 100px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin-bottom: 26px;
}
.page-hero h1 em { color: var(--amber); }
.page-hero .lead { max-width: 65ch; }

/* ---------- Solutions detail blocks ---------- */
.sol-detail {
  padding: 80px 0;
  border-bottom: 1px solid var(--hairline);
}
.sol-detail-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.sol-detail:nth-child(even) .sol-detail-inner { grid-template-columns: 1.2fr 1fr; }
.sol-detail:nth-child(even) .sol-detail-visual { order: -1; }

.sol-detail .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 22px;
  display: flex; align-items: center; gap: 10px;
}
.sol-detail .num::before {
  content: ""; width: 32px; height: 1px; background: var(--amber);
}
.sol-detail h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 64px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
}
.sol-detail h2 em { color: var(--amber); }
.sol-detail p { font-size: 16px; line-height: 1.65; color: var(--paper-dim); margin-bottom: 20px; max-width: 55ch; }
.sol-features {
  list-style: none;
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline);
}
.sol-features li {
  padding: 14px 0 14px 22px;
  border-bottom: 1px solid var(--hairline);
  font-size: 14px;
  color: var(--paper);
  position: relative;
}
.sol-features li::before {
  content: "→";
  position: absolute;
  left: 0; top: 14px;
  color: var(--amber);
  font-family: var(--font-mono);
}
.sol-stack {
  margin-top: 30px;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  font-size: 13px;
  color: var(--paper-dim);
  line-height: 1.7;
}
.sol-stack strong {
  color: var(--amber);
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}

.sol-detail-visual {
  background: var(--surface);
  border: 1px solid var(--hairline);
  aspect-ratio: 4 / 3;
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}
.sol-detail-visual::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.6;
}
.sol-detail-visual svg { width: 55%; color: var(--amber); position: relative; z-index: 1; }

/* ---------- Brand detail page ---------- */
.brand-intro {
  padding: 60px 0 80px;
  border-bottom: 1px solid var(--hairline);
}
.brand-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 70px;
  align-items: start;
}
.brand-logotype {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(56px, 8vw, 124px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--paper);
}
.brand-logotype em { color: var(--amber); }
.brand-meta {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  display: flex; flex-direction: column; gap: 16px;
}
.brand-meta-item { display: flex; justify-content: space-between; gap: 20px; font-size: 13.5px; }
.brand-meta-item .k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.brand-meta-item .v { color: var(--paper); }

.brand-desc .h-2 { margin-bottom: 22px; }
.brand-desc p { font-size: 16px; line-height: 1.65; color: var(--paper-dim); margin-bottom: 16px; max-width: 55ch; }

/* product categories inside brand pages */
.prod-cats {
  padding: 60px 0;
  border-bottom: 1px solid var(--hairline);
}
.prod-cats-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 60px;
}
.prod-cat {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--hairline);
}
.prod-cat-num {
  font-family: var(--font-display);
  font-size: 54px;
  line-height: 1;
  font-weight: 300;
  color: var(--amber);
  letter-spacing: -0.04em;
}
.prod-cat h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.prod-cat p { color: var(--paper-dim); font-size: 14px; line-height: 1.55; }
.prod-cat ul { margin-top: 10px; padding-left: 16px; color: var(--paper-dim); font-size: 13.5px; }
.prod-cat li { margin-bottom: 4px; }

/* ---------- VIVOTEK catalog page specific ---------- */
.catalog {
  padding: 60px 0 100px;
}
.catalog-grid {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 50px;
  align-items: start;
}
.filters {
  position: sticky;
  top: 110px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 26px;
  border-radius: 2px;
}
.filters h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
  font-weight: 500;
  margin-bottom: 14px;
  display: flex; justify-content: space-between;
}
.filters h4 small {
  color: var(--paper-mute);
  font-weight: 400;
  letter-spacing: 0.08em;
  font-size: 10px;
}
.filter-group { margin-bottom: 26px; }
.filter-group:last-child { margin-bottom: 0; }
.filter-opt {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 8px;
  font-size: 13px;
  color: var(--paper-dim);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  border-radius: 2px;
}
.filter-opt:hover { background: var(--surface-2); color: var(--paper); }
.filter-opt input {
  appearance: none;
  width: 13px; height: 13px;
  border: 1px solid var(--hairline-b);
  display: grid; place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s;
}
.filter-opt input:checked {
  background: var(--amber);
  border-color: var(--amber);
}
.filter-opt input:checked::after {
  content: "✓";
  color: var(--ink);
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
}
.filter-opt .count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--paper-mute);
}
.search-wrap { position: relative; margin-bottom: 24px; }
.search-wrap svg {
  position: absolute; left: 12px; top: 50%;
  transform: translateY(-50%);
  width: 13px; height: 13px;
  color: var(--paper-mute);
  pointer-events: none;
}
.search-input {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--hairline-b);
  color: var(--paper);
  padding: 10px 12px 10px 34px;
  border-radius: 2px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-input:focus { border-color: var(--amber); box-shadow: 0 0 0 3px var(--amber-glow); }

.filters-reset {
  width: 100%;
  margin-top: 16px;
  padding: 9px;
  background: transparent;
  border: 1px solid var(--hairline-b);
  color: var(--paper-dim);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  border-radius: 2px;
  transition: all 0.15s;
}
.filters-reset:hover { color: var(--amber); border-color: var(--amber); }

.results-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 24px;
  font-size: 13px;
}
.results-count { color: var(--paper-dim); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; }
.results-count strong { color: var(--paper); font-weight: 600; }
.sort-sel {
  background: var(--surface);
  color: var(--paper);
  border: 1px solid var(--hairline-b);
  padding: 8px 12px;
  font-size: 12.5px;
  border-radius: 2px;
  cursor: pointer;
  outline: none;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  overflow: hidden;
  display: flex; flex-direction: column;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  border-radius: 2px;
  position: relative;
}
.product-card:hover {
  transform: translateY(-3px);
  border-color: var(--hairline-b);
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.45);
}
.product-card .imgbox {
  aspect-ratio: 1;
  position: relative;
  background: var(--ink-2);
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}
.product-card .imgbox::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.6;
}
.product-card .imgbox img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 22px;
  transition: transform 0.3s;
}
.product-card:hover .imgbox img { transform: scale(1.05); }
.product-card .badge {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid var(--hairline);
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
}
.product-card .badge.vortex { color: var(--amber); border-color: rgba(255,169,43,0.35); }
.product-card .body {
  padding: 16px 18px 18px;
  display: flex; flex-direction: column;
  flex: 1;
}
.product-card .fftag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 6px;
}
.product-card h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin-bottom: 6px;
}
.product-card .desc {
  font-size: 12px;
  color: var(--paper-dim);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
  margin-bottom: 12px;
}
.product-card .meta {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
}
.product-card .pn {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--paper-mute);
  letter-spacing: 0.04em;
}
.product-card .view {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
}
.no-img {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: var(--paper-mute);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.no-results {
  text-align: center;
  padding: 70px 20px;
  color: var(--paper-dim);
  background: var(--surface);
  border: 1px dashed var(--hairline-b);
}
.no-results h3 { font-family: var(--font-display); margin-bottom: 8px; color: var(--paper); font-size: 26px; }

.pagination {
  margin-top: 40px;
  display: flex; justify-content: center; gap: 6px;
  flex-wrap: wrap;
}
.pagination button {
  min-width: 38px; height: 38px;
  padding: 0 10px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  color: var(--paper-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  transition: all 0.15s;
  border-radius: 2px;
}
.pagination button:hover:not(:disabled) { border-color: var(--paper-mute); color: var(--paper); }
.pagination button.active { background: var(--amber); color: var(--ink); border-color: var(--amber); }
.pagination button:disabled { opacity: 0.3; cursor: not-allowed; }

/* ---------- VIVOTEK product detail ---------- */
.prod-detail { padding: 40px 0 80px; }
.pd-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: start;
}
.pd-img {
  background: var(--surface);
  border: 1px solid var(--hairline);
  aspect-ratio: 1;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}
.pd-img::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.6;
}
.pd-img img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 50px;
}
.pd-tags {
  position: absolute;
  top: 18px; left: 18px;
  display: flex; gap: 8px;
  z-index: 2;
}
.pd-tag {
  background: rgba(10,14,26,0.8);
  backdrop-filter: blur(6px);
  border: 1px solid var(--hairline);
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-dim);
  border-radius: 100px;
}
.pd-tag.accent { color: var(--amber); border-color: rgba(255,169,43,0.35); }
.pd-tag.ok { color: var(--emerald); border-color: rgba(48,164,108,0.3); }

.pd-content .pd-pn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.pd-content h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}
.pd-sub {
  color: var(--paper-dim);
  font-size: 15px;
  margin-bottom: 24px;
}
.pd-descbox {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-left: 2px solid var(--amber);
  padding: 20px 24px;
  font-size: 14.5px;
  line-height: 1.7;
  margin-bottom: 28px;
  border-radius: 2px;
}
.pd-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 28px;
}
.pd-chip {
  padding: 9px 11px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  font-size: 11.5px;
  display: flex; align-items: center; gap: 7px;
  border-radius: 2px;
}
.pd-chip svg { width: 12px; height: 12px; color: var(--amber); }
.pd-minihead {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 10px;
}
.pd-minihead::before { content: ""; width: 24px; height: 1px; background: var(--amber); }

.pd-specs {
  width: 100%;
  border: 1px solid var(--hairline);
  margin: 0 0 30px;
  border-radius: 2px;
  overflow: hidden;
}
.pd-spec {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--hairline);
  font-size: 13px;
}
.pd-spec:last-child { border-bottom: 0; }
.pd-spec:nth-child(odd) { background: var(--surface); }
.pd-spec .k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.pd-spec .v { color: var(--paper); }

.pd-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Contact page ---------- */
.contact-main { padding: 60px 0 80px; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.contact-cards { display: grid; gap: 14px; }
.contact-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 28px;
  display: flex; gap: 20px; align-items: flex-start;
  transition: border-color 0.2s;
  border-radius: 2px;
}
.contact-card:hover { border-color: var(--hairline-b); }
.contact-card .ico {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: rgba(255,169,43,0.1);
  border: 1px solid rgba(255,169,43,0.2);
  border-radius: 2px;
  color: var(--amber);
  flex-shrink: 0;
}
.contact-card .ico svg { width: 20px; height: 20px; }
.contact-card .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 5px;
}
.contact-card .val {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.contact-card .val a { color: inherit; }
.contact-card .val a:hover { color: var(--amber); }
.contact-card .small {
  font-size: 13px;
  color: var(--paper-dim);
  margin-top: 3px;
  font-weight: 400;
}

.form-box {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 36px;
  border-radius: 2px;
}
.form-box h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.form-box p { color: var(--paper-dim); font-size: 14px; margin-bottom: 26px; }
.fr { margin-bottom: 16px; }
.fr label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 7px;
}
.fr input, .fr textarea, .fr select {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--hairline-b);
  padding: 12px 14px;
  font-size: 14px;
  color: var(--paper);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  border-radius: 2px;
}
.fr input:focus, .fr textarea:focus, .fr select:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-glow);
}
.fr textarea { min-height: 110px; resize: vertical; }
.fr.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---------- About page ---------- */
.about-body { padding: 60px 0 80px; max-width: 960px; margin: 0 auto; }
.about-body h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 50px 0 20px;
}
.about-body h2 em { color: var(--amber); }
.about-body p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--paper-dim);
  margin-bottom: 16px;
  max-width: 65ch;
}

.principles {
  margin: 40px 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.principle {
  background: var(--ink);
  padding: 32px 30px;
  transition: background 0.2s;
}
.principle:hover { background: var(--surface); }
.principle .pr-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.principle h4 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.principle p { font-size: 14px; line-height: 1.55; color: var(--paper-dim); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; gap: 50px; }
  .integration-viz { max-width: 440px; justify-self: center; }
  .manifesto-inner { grid-template-columns: 1fr; gap: 30px; }
  .sol-detail-inner { grid-template-columns: 1fr !important; gap: 40px; }
  .sol-detail-visual { order: 0 !important; max-width: 500px; }
  .brand-intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .cta-inner { grid-template-columns: 1fr; gap: 30px; align-items: start; }
  .contact-grid { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-card.flagship { grid-column: span 2; }
  .catalog-grid { grid-template-columns: 1fr; gap: 30px; }
  .filters { position: static; }
  .pd-grid { grid-template-columns: 1fr; gap: 40px; }
  .sols-grid { grid-template-columns: repeat(6, 1fr); }
  .sol { grid-column: span 3; }
  .sol.wide { grid-column: span 6; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}
@media (max-width: 720px) {
  .strip .right { gap: 12px; font-size: 11px; }
  .strip-inner { flex-direction: column; align-items: flex-start; gap: 6px; }
  .nav { padding: 14px 16px; gap: 14px; }
  .menu-toggle { display: block; margin-left: auto; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--ink);
    border-bottom: 1px solid var(--hairline);
    padding: 12px;
    z-index: 50;
  }
  .main-nav.open { display: flex; }
  .has-drop { display: block; }
  .dropmenu { position: static; display: flex; margin-top: 4px; box-shadow: none; }
  .has-drop .dropbtn { width: 100%; justify-content: space-between; }
  .nav-cta { display: none; }
  .hero-meta { grid-template-columns: 1fr 1fr; gap: 24px; }
  .sols-grid, .industries-grid { grid-template-columns: 1fr !important; }
  .sol, .sol.wide { grid-column: span 1 !important; }
  .brands-grid { grid-template-columns: 1fr; }
  .brand-card.flagship { grid-column: span 1; }
  .stats-inner { grid-template-columns: 1fr; gap: 30px; }
  .foot-top { grid-template-columns: 1fr; gap: 32px; }
  .prod-cats-grid { grid-template-columns: 1fr; }
  .pd-chips { grid-template-columns: repeat(2, 1fr); }
  .pd-spec { grid-template-columns: 1fr; gap: 4px; }
  .fr.row2 { grid-template-columns: 1fr; }
  .form-box { padding: 24px; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .product-card .imgbox img { padding: 14px; }
}

/* ---------- Fade-in ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: all 0.9s var(--ease); }
.reveal.show { opacity: 1; transform: none; }

/* ---------- 404 ---------- */
.err-body { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 80px 20px; }
.err-big {
  font-family: var(--font-display);
  font-size: clamp(100px, 20vw, 280px);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--amber);
}