/* =========================================================
   KAVBASE — Corporate single-page site
   Palette derived from brand logo:
   blue #0f52ba · green #10b981 · slate #64748b
   ========================================================= */

:root {
  --bg: #070b14;
  --bg-2: #0a1020;
  --bg-3: #0e1526;
  --surface: rgba(255, 255, 255, .03);
  --surface-2: rgba(255, 255, 255, .055);
  --border: rgba(255, 255, 255, .08);
  --border-2: rgba(255, 255, 255, .16);

  --text: #e8eef8;
  --text-2: #c3cdd9;
  --muted: #8b98ad;
  --slate: #64748b;

  --blue: #0f52ba;
  --blue-2: #3b82f6;
  --blue-3: #60a5fa;
  --green: #10b981;
  --green-2: #34d399;

  --grad: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);
  --grad-soft: linear-gradient(135deg, rgba(59, 130, 246, .18), rgba(16, 185, 129, .18));

  --r-sm: 10px;
  --r: 16px;
  --r-lg: 24px;

  --font-head: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --nav-h: 76px;
  --container: 1200px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-head); letter-spacing: -.02em; line-height: 1.12; margin: 0; }
p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
::selection { background: rgba(16, 185, 129, .35); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1c2740; border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #26345a; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.skip {
  position: absolute; left: 16px; top: -60px; z-index: 1000;
  background: var(--green); color: #04150e; padding: 10px 16px; border-radius: 8px; font-weight: 600;
}
.skip:focus { top: 16px; }

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

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-head);
  font-size: .74rem; font-weight: 700; letter-spacing: .24em; text-transform: uppercase;
  color: var(--green-2);
}
.eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--grad); }
.eyebrow.raw { text-transform: none; }
.eyebrow.center { justify-content: center; }
.eyebrow.center::after { content: ''; width: 28px; height: 1px; background: var(--grad); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; border: 1px solid transparent;
  font-family: var(--font-head); font-weight: 700; font-size: .95rem; letter-spacing: .01em;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s, border-color .35s, color .35s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 10px 30px -8px rgba(16, 185, 129, .45), 0 4px 14px -6px rgba(59, 130, 246, .5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -8px rgba(16, 185, 129, .55), 0 6px 18px -6px rgba(59, 130, 246, .6); }
.btn-ghost { background: var(--surface); border-color: var(--border-2); color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); border-color: rgba(255, 255, 255, .28); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: .86rem; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 11, 20, .72);
  -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%);
  border-color: var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-icon { width: 38px; height: auto; }
.brand-word { width: 138px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links > a { position: relative; font-size: .92rem; font-weight: 500; color: var(--text-2); padding: 6px 0; transition: color .3s; }
.nav-links > a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 2px;
  background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav-links > a:hover, .nav-links > a.active { color: var(--text); }
.nav-links > a:hover::after, .nav-links > a.active::after { transform: scaleX(1); }
.nav-cta-mobile { display: none; }
.nav-right { display: flex; align-items: center; gap: 14px; }

.lang { display: inline-flex; padding: 3px; border: 1px solid var(--border-2); border-radius: 999px; background: var(--surface); }
.lang button {
  background: none; border: 0; padding: 6px 11px; border-radius: 999px;
  font-family: var(--font-head); font-size: .74rem; font-weight: 700; letter-spacing: .08em; color: var(--muted);
  transition: background .3s, color .3s;
}
.lang button.active { background: var(--surface-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--border-2); }
.lang button:hover:not(.active) { color: var(--text-2); }

.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--border-2); border-radius: 12px; background: var(--surface); position: relative; }
.burger span { position: absolute; left: 12px; right: 12px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .35s var(--ease), opacity .3s, top .35s var(--ease); }
.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 28px; }
.burger.open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: calc(var(--nav-h) + 60px) 0 80px; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero-grid {
  position: absolute; inset: 0;
  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: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 100%);
}
.glow { position: absolute; border-radius: 50%; filter: blur(120px); opacity: .55; }
.glow-1 { width: 620px; height: 620px; left: -160px; top: -160px; background: rgba(15, 82, 186, .55); }
.glow-2 { width: 560px; height: 560px; right: -140px; bottom: -180px; background: rgba(16, 185, 129, .35); }
#net { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .7; }

.hero-inner { display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px; align-items: center; }
.hero-eyebrow { margin-bottom: 26px; }
.hero-title { font-size: clamp(2.5rem, 5.1vw, 4.3rem); font-weight: 800; max-width: 12ch; margin-bottom: 26px; }
.hero-lead { font-size: 1.12rem; color: var(--muted); max-width: 56ch; margin-bottom: 38px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 22px; font-size: .86rem; color: var(--text-2); }
.hero-trust li { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust svg { width: 16px; height: 16px; color: var(--green-2); }

/* Hub visual */
.hero-visual { position: relative; }
.hub { position: relative; width: min(520px, 100%); aspect-ratio: 1; margin-inline: auto; }
.ring { position: absolute; border-radius: 50%; border: 1px dashed rgba(255, 255, 255, .13); animation: spin var(--t, 80s) linear infinite; }
.ring::before {
  content: ''; position: absolute; top: -4px; left: 50%; width: 7px; height: 7px; margin-left: -3px; border-radius: 50%;
  background: var(--green-2); box-shadow: 0 0 14px var(--green-2);
}
.ring-1 { inset: 0; --t: 90s; }
.ring-2 { inset: 15%; --t: 60s; animation-direction: reverse; border-color: rgba(59, 130, 246, .22); }
.ring-2::before { background: var(--blue-3); box-shadow: 0 0 14px var(--blue-3); }
.ring-3 { inset: 30%; --t: 42s; border-style: solid; border-color: rgba(255, 255, 255, .08); }
.ring-3::before { display: none; }

.core {
  position: absolute; top: 50%; left: 50%; width: 30%; aspect-ratio: 1; transform: translate(-50%, -50%);
  border-radius: 50%; display: grid; place-items: center;
  background: radial-gradient(circle at 50% 35%, #142038, #090f1d 70%);
  border: 1px solid var(--border-2);
  box-shadow: 0 0 0 14px rgba(59, 130, 246, .05), 0 0 90px rgba(59, 130, 246, .35), inset 0 0 40px rgba(16, 185, 129, .08);
}
.core img { width: 54%; height: auto; filter: drop-shadow(0 6px 18px rgba(0, 0, 0, .5)); }
.core::after { content: ''; position: absolute; inset: -1px; border-radius: 50%; border: 1px solid rgba(16, 185, 129, .55); animation: pulse 3.2s ease-out infinite; }

.orbit { position: absolute; inset: 0; transform: rotate(var(--a)); }
.spoke {
  position: absolute; top: 50%; left: 50%; width: 42%; height: 1px;
  background: linear-gradient(90deg, rgba(59, 130, 246, 0) 10%, rgba(59, 130, 246, .55) 60%, rgba(16, 185, 129, .6));
}
.spoke::after {
  content: ''; position: absolute; top: -2px; left: 0; width: 5px; height: 5px; border-radius: 50%;
  background: var(--green-2); box-shadow: 0 0 10px var(--green-2);
  animation: travel 3s ease-in-out infinite; animation-delay: var(--d, 0s);
}
.orbit:nth-child(even) .spoke::after { animation-direction: reverse; background: var(--blue-3); box-shadow: 0 0 10px var(--blue-3); }
.chip {
  position: absolute; top: 50%; left: 92%;
  transform: translate(-50%, -50%) rotate(calc(-1 * var(--a)));
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 15px; border-radius: 999px; white-space: nowrap;
  background: rgba(10, 16, 32, .88); border: 1px solid var(--border-2);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  font-family: var(--font-head); font-size: .78rem; font-weight: 700; letter-spacing: .02em; color: var(--text);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .8);
  animation: floaty 6s ease-in-out infinite; animation-delay: var(--d, 0s);
}
.chip i { width: 7px; height: 7px; border-radius: 50%; background: var(--green-2); box-shadow: 0 0 8px var(--green-2); }
.orbit:nth-child(even) .chip i { background: var(--blue-3); box-shadow: 0 0 8px var(--blue-3); }

.hub-card {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: 14px;
  background: rgba(10, 16, 32, .9); border: 1px solid var(--border-2);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  box-shadow: 0 20px 40px -16px rgba(0, 0, 0, .8);
  animation: floaty 7s ease-in-out infinite;
}
.hub-card b { display: block; font-family: var(--font-head); font-size: .82rem; font-weight: 700; }
.hub-card small { display: block; font-size: .72rem; color: var(--muted); }
.hub-card.status { left: -2%; bottom: 4%; animation-delay: 1.2s; }
.hub-card.metric { right: -2%; top: 5%; animation-delay: .4s; }
.pulse-dot { position: relative; width: 10px; height: 10px; border-radius: 50%; background: var(--green-2); flex-shrink: 0; }
.pulse-dot::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--green-2); animation: pulse 2s ease-out infinite; }
.metric-icon { width: 34px; height: 34px; border-radius: 10px; background: var(--grad-soft); border: 1px solid var(--border); display: grid; place-items: center; flex-shrink: 0; }
.metric-icon svg { width: 18px; height: 18px; color: var(--blue-3); }

.scroll-hint { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; font-size: .68rem; letter-spacing: .28em; text-transform: uppercase; color: var(--muted); }
.scroll-hint span { width: 1px; height: 44px; background: linear-gradient(var(--green-2), transparent); animation: drip 2s ease-in-out infinite; }

/* ---------- Marquee ---------- */
.marquee { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 18px 0; overflow: hidden; background: var(--bg-2);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; width: max-content; animation: marquee 38s linear infinite; }
.marquee-track ul { display: flex; align-items: center; }
.marquee-track li { display: inline-flex; align-items: center; gap: 28px; padding-right: 28px; font-family: var(--font-head); font-size: .74rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--text-2); white-space: nowrap; }
.marquee-track li::after { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.marquee:hover .marquee-track { animation-play-state: paused; }

/* ---------- Stats ---------- */
.stats-section { padding: 64px 0 0; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); overflow: hidden; }
.stat { padding: 34px 32px; border-left: 1px solid var(--border); }
.stat:first-child { border-left: 0; }
.stat-value { font-family: var(--font-head); font-size: 2.7rem; font-weight: 800; letter-spacing: -.03em; line-height: 1; margin-bottom: 10px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { font-size: .9rem; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 128px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%); }
.section-head { max-width: 760px; margin-bottom: 64px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-title { font-size: clamp(2rem, 3.7vw, 3rem); font-weight: 800; margin-top: 22px; }
.section-lead { font-size: 1.08rem; color: var(--muted); margin-top: 18px; max-width: 62ch; }
.section-head.center .section-lead { margin-inline: auto; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: center; }
.about-text .section-title { margin-bottom: 26px; }
.about-text p { color: var(--muted); font-size: 1.04rem; margin-bottom: 18px; }
.about-text p strong { color: var(--text); font-weight: 600; }
.about-logo { margin-top: 36px; padding-top: 30px; border-top: 1px solid var(--border); }
.about-logo img { width: 340px; opacity: .92; }
.pillars { display: grid; gap: 16px; }
.pillar { display: flex; gap: 20px; padding: 24px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--border); transition: border-color .4s, transform .4s var(--ease), background .4s; }
.pillar:hover { border-color: var(--border-2); background: var(--surface-2); transform: translateX(6px); }
.pillar-num { flex-shrink: 0; width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-soft); border: 1px solid var(--border); font-family: var(--font-head); font-weight: 800; font-size: 1rem; }
.pillar-num span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pillar h3 { font-size: 1.15rem; margin-bottom: 6px; }
.pillar p { color: var(--muted); font-size: .95rem; }

/* ---------- Solutions ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  position: relative; padding: 34px 30px; border-radius: var(--r-lg);
  background: var(--surface); border: 1px solid var(--border); overflow: hidden;
  transition: transform .45s var(--ease), background .4s;
}
.card::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .4s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(59, 130, 246, .13), transparent 62%);
}
.card::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none; opacity: 0; transition: opacity .4s;
  background: linear-gradient(135deg, rgba(59, 130, 246, .75), rgba(16, 185, 129, .75));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.card:hover { transform: translateY(-6px); background: var(--surface-2); }
.card:hover::before, .card:hover::after { opacity: 1; }
.card-icon { width: 54px; height: 54px; border-radius: 15px; display: grid; place-items: center; margin-bottom: 24px; background: var(--grad-soft); border: 1px solid var(--border); }
.card-icon svg { width: 24px; height: 24px; color: var(--green-2); }
.card:nth-child(even) .card-icon svg { color: var(--blue-3); }
.card h3 { font-size: 1.22rem; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: .95rem; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tag { font-size: .72rem; font-weight: 600; padding: 5px 11px; border-radius: 999px; border: 1px solid var(--border); background: rgba(255, 255, 255, .03); color: var(--text-2); letter-spacing: .02em; }

.custom-banner {
  margin-top: 28px; padding: 36px 40px; border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  border: 1px solid transparent;
  background: linear-gradient(var(--bg-2), var(--bg-2)) padding-box, linear-gradient(135deg, rgba(59, 130, 246, .65), rgba(16, 185, 129, .65)) border-box;
}
.custom-banner h3 { font-size: 1.35rem; margin-bottom: 8px; }
.custom-banner p { color: var(--muted); max-width: 60ch; }

/* ---------- Approach ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.steps::before { content: ''; position: absolute; top: 28px; left: 12%; right: 12%; height: 1px; background: linear-gradient(90deg, rgba(59, 130, 246, .1), rgba(59, 130, 246, .6), rgba(16, 185, 129, .6), rgba(16, 185, 129, .1)); }
.step { position: relative; padding-right: 12px; }
.step-num { position: relative; z-index: 1; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 26px;
  background: var(--bg-3); border: 1px solid var(--border-2); font-family: var(--font-head); font-weight: 800; font-size: 1.05rem; transition: box-shadow .4s, border-color .4s; }
.step-num::before { content: ''; position: absolute; inset: 4px; border-radius: 50%; background: var(--grad); opacity: 0; transition: opacity .4s; z-index: -1; }
.step-num span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.step:hover .step-num { box-shadow: 0 0 40px rgba(16, 185, 129, .35); border-color: transparent; }
.step:hover .step-num::before { opacity: 1; }
.step:hover .step-num span { -webkit-text-fill-color: #fff; }
.step h3 { font-size: 1.12rem; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: .93rem; }
.step-tag { display: inline-block; font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; font-weight: 600; }

/* ---------- Why ---------- */
.why-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 72px; align-items: start; }
.why-sticky { position: sticky; top: calc(var(--nav-h) + 40px); }
.why-sticky .section-lead { margin-bottom: 34px; }
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px 40px; }
.feature { position: relative; padding-top: 26px; border-top: 1px solid var(--border); }
.feature::before { content: ''; position: absolute; top: -1px; left: 0; height: 1px; width: 0; background: var(--grad); transition: width .6s var(--ease); }
.feature:hover::before { width: 100%; }
.feature-icon { width: 42px; height: 42px; border-radius: 12px; background: var(--grad-soft); border: 1px solid var(--border); display: grid; place-items: center; margin-bottom: 18px; }
.feature-icon svg { width: 20px; height: 20px; color: var(--green-2); }
.feature:nth-child(even) .feature-icon svg { color: var(--blue-3); }
.feature h3 { font-size: 1.08rem; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: .93rem; }

/* ---------- Tech strip ---------- */
.tech { padding: 0 0 128px; text-align: center; }
.tech-label { font-size: .72rem; letter-spacing: .24em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 26px; }
.tech-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.tech-chip { display: inline-flex; align-items: center; gap: 10px; padding: 11px 18px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); font-family: var(--font-head); font-size: .84rem; font-weight: 600; color: var(--text-2); transition: border-color .3s, color .3s, transform .3s var(--ease); }
.tech-chip::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.tech-chip:nth-child(even)::before { background: var(--blue-2); box-shadow: 0 0 8px var(--blue-2); }
.tech-chip:hover { border-color: var(--border-2); color: var(--text); transform: translateY(-2px); }

/* ---------- FAQ ---------- */
.faq { max-width: 840px; margin-inline: auto; border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; background: none; border: 0; text-align: left; font-family: var(--font-head); font-size: 1.08rem; font-weight: 700; color: var(--text); transition: color .3s; }
.faq-q:hover { color: var(--green-2); }
.faq-q .plus { flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--border-2); display: grid; place-items: center; transition: transform .4s var(--ease), background .3s, border-color .3s; }
.faq-q .plus svg { width: 14px; height: 14px; }
.faq-item.open .faq-q .plus { transform: rotate(45deg); background: var(--grad); border-color: transparent; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s var(--ease); }
.faq-a > div { overflow: hidden; }
.faq-a p { color: var(--muted); padding-bottom: 26px; max-width: 70ch; }
.faq-item.open .faq-a { grid-template-rows: 1fr; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.info-list { display: grid; gap: 14px; margin-top: 40px; }
.info { display: flex; align-items: center; gap: 16px; padding: 18px 20px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--border); transition: border-color .3s, transform .3s var(--ease); }
.info:hover { border-color: var(--border-2); transform: translateX(4px); }
.info-icon { width: 46px; height: 46px; border-radius: 13px; background: var(--grad-soft); border: 1px solid var(--border); display: grid; place-items: center; flex-shrink: 0; }
.info-icon svg { width: 20px; height: 20px; color: var(--green-2); }
.info small { display: block; font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 3px; }
.info a, .info b { font-family: var(--font-head); font-weight: 700; font-size: 1rem; }
.info a:hover { color: var(--green-2); }

.form-card { padding: 38px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--border); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .84rem; font-weight: 600; color: var(--text-2); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; border-radius: 12px;
  background: rgba(255, 255, 255, .04); border: 1px solid var(--border-2); color: var(--text);
  font-family: var(--font-body); font-size: .97rem; outline: none;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.field input::placeholder, .field textarea::placeholder { color: #5b687d; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue-2); box-shadow: 0 0 0 4px rgba(59, 130, 246, .16); background: rgba(255, 255, 255, .05); }
.field select { appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%238b98ad' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; padding-right: 44px; }
.field select option { background: var(--bg-3); color: var(--text); }
.field textarea { min-height: 140px; resize: vertical; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 8px; }
.form-note { font-size: .78rem; color: var(--muted); max-width: 34ch; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 76px 0 34px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.1fr; gap: 48px; }
.footer-brand img { width: 150px; margin-bottom: 20px; }
.footer-desc { color: var(--muted); font-size: .93rem; max-width: 36ch; margin-bottom: 22px; }
.footer-tagline { display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-head); font-size: .66rem; letter-spacing: .24em; text-transform: uppercase; color: var(--slate); font-weight: 700; }
.footer-tagline i { width: 1px; height: 12px; background: var(--green); }
.footer h4 { font-family: var(--font-head); font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; color: var(--text); margin-bottom: 20px; }
.footer li { margin-bottom: 11px; }
.footer li a { color: var(--muted); font-size: .93rem; transition: color .3s, padding-left .3s var(--ease); }
.footer li a:hover { color: var(--text); padding-left: 4px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 60px; padding-top: 28px; border-top: 1px solid var(--border); font-size: .82rem; color: var(--muted); }

/* ---------- Utilities ---------- */
.to-top { position: fixed; right: 26px; bottom: 26px; z-index: 90; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--border-2); background: rgba(10, 16, 32, .85); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); display: grid; place-items: center; opacity: 0; transform: translateY(14px); pointer-events: none; transition: opacity .35s, transform .35s var(--ease), background .3s; }
.to-top svg { width: 18px; height: 18px; }
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--grad); border-color: transparent; }

.toast { position: fixed; left: 50%; bottom: 30px; z-index: 200; transform: translate(-50%, 16px); opacity: 0; pointer-events: none; padding: 14px 20px; border-radius: 12px; background: var(--bg-3); border: 1px solid var(--border-2); border-left: 3px solid var(--green); font-size: .9rem; box-shadow: 0 20px 50px -20px rgba(0, 0, 0, .9); transition: opacity .35s, transform .35s var(--ease); max-width: calc(100% - 40px); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { border-left-color: #f87171; }

/* Gizleme kurali yalnizca .js sinifi varken gecerli - JS kapaliysa
   ya da script yuklenemezse icerik oldugu gibi gorunur kalir. */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: calc(var(--i, 0) * 90ms); }
.js .reveal.in { opacity: 1; transform: none; }

/* Baslik ilk karede okunsun - animasyonu beklemesin. */
.js .hero-title { transition-delay: 0s; }

/* ---------- Animations ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.55); opacity: 0; } }
@keyframes travel { 0% { left: 0; opacity: 0; } 12% { opacity: 1; } 88% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
@keyframes floaty { 0%, 100% { translate: 0 0; } 50% { translate: 0 -7px; } }
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
@keyframes marquee { to { transform: translateX(-50%); } }

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

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr .85fr; gap: 32px; }
  .hub { width: min(440px, 100%); }
  .features { gap: 28px; }
}
@media (max-width: 960px) {
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
    flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 6px;
    padding: 24px 24px 40px; background: rgba(7, 11, 20, .96);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
    transform: translateX(100%); opacity: 0; transition: transform .45s var(--ease), opacity .3s; overflow-y: auto;
  }
  .nav-links.open { transform: none; opacity: 1; }
  .nav-links > a { font-size: 1.35rem; font-family: var(--font-head); font-weight: 700; padding: 12px 0; width: 100%; border-bottom: 1px solid var(--border); }
  .nav-links > a::after { display: none; }
  .nav-cta-mobile { display: inline-flex; margin-top: 22px; width: auto; border-bottom: 0 !important; font-size: 1rem !important; padding: 14px 26px !important; }
  .nav-cta { display: none; }
  .burger { display: block; }

  .hero { padding-top: calc(var(--nav-h) + 40px); min-height: 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero-title { max-width: 16ch; }
  .hero-visual { order: 2; }
  .hub { width: min(400px, 90%); }
  .hub-card.metric { right: 0; top: 0; }
  .hub-card.status { left: 0; bottom: 0; }
  .scroll-hint { display: none; }

  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--border); }
  .section { padding: 96px 0; }
  .section-head { margin-bottom: 48px; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 36px 28px; }
  .steps::before { display: none; }
  .why-grid { grid-template-columns: 1fr; gap: 44px; }
  .why-sticky { position: static; }
  .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .tech { padding-bottom: 96px; }
}
@media (max-width: 600px) {
  :root { --nav-h: 68px; }
  .container { padding-inline: 18px; }
  .brand-word { width: 116px; }
  .brand-icon { width: 32px; }
  .lang button { padding: 5px 9px; }
  .hero-title { font-size: clamp(2.15rem, 9vw, 2.8rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions .btn { width: 100%; }
  .hub { width: min(320px, 92%); }
  .chip { padding: 7px 11px; font-size: .68rem; }
  .hub-card { display: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { padding: 24px 20px; }
  .stat-value { font-size: 2.1rem; }
  .section { padding: 80px 0; }
  .cards { grid-template-columns: 1fr; }
  .card { padding: 28px 24px; }
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .custom-banner { padding: 28px 24px; }
  .form-card { padding: 26px 20px; }
  .row-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .to-top { right: 16px; bottom: 16px; }
  .marquee-track { animation-duration: 26s; }
}