/* ==========================================================================
   CEM KAFADAR — İnşaatta Yapay Zeka Danışmanlığı
   Design System  ·  Dark / Premium Tech
   ========================================================================== */

/* ----------  Design Tokens  ---------- */
:root {
  /* Surfaces */
  --bg:            #05070e;
  --bg-2:          #080b16;
  --surface:       #0c1120;
  --surface-2:     #111830;
  --surface-3:     #161f3c;
  --border:        rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* Brand / Accent */
  --accent:        #38bdf8;   /* sky / cyan      */
  --accent-2:      #6366f1;   /* indigo          */
  --accent-3:      #a855f7;   /* violet          */
  --accent-soft:   rgba(56, 189, 248, 0.12);
  --glow:          rgba(56, 189, 248, 0.45);

  /* Gradients */
  --grad-brand: linear-gradient(120deg, #38bdf8 0%, #6366f1 50%, #a855f7 100%);
  --grad-text:  linear-gradient(120deg, #e9f4ff 0%, #9fc7ff 45%, #c4b5fd 100%);
  --grad-line:  linear-gradient(90deg, transparent, var(--accent), transparent);

  /* Text */
  --text:        #eef2fb;
  --text-soft:   #b6c0d6;
  --text-dim:    #8a97b4;
  --text-faint:  #69779e;

  /* Type */
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body:    "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "Cascadia Code", monospace;

  /* Metrics */
  --maxw:    1200px;
  --radius:  18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --nav-h:   72px;

  /* Motion */
  --ease:     cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ----------  Reset  ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scrollbar-gutter: stable; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  /* never leave reveal content stuck invisible, and stop the marquee mid-track */
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .marquee-track { animation: none !important; transform: none !important; }
}

/* ----------  Focus visibility (keyboard a11y on dark theme)  ---------- */
:where(a, button, .btn, input, textarea, select, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}
.lang-toggle button:focus-visible,
.svc-tabs button:focus-visible { outline-offset: 1px; }

/* Skip link */
.skip-link {
  position: absolute; left: 50%; top: -100px; transform: translateX(-50%);
  z-index: 200; padding: .7rem 1.2rem; border-radius: 0 0 12px 12px;
  background: var(--accent); color: #04111f; font-family: var(--font-display);
  font-weight: 600; transition: top .25s var(--ease);
}
.skip-link:focus { top: 0; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  letter-spacing: .1px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Ambient background field (fixed) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(56,189,248,0.12), transparent 60%),
    radial-gradient(900px 700px at 92% 4%, rgba(168,85,247,0.12), transparent 60%),
    radial-gradient(1000px 800px at 50% 110%, rgba(99,102,241,0.10), transparent 60%),
    var(--bg);
}
/* subtle grid overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 85%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

::selection { background: rgba(56,189,248,0.3); color: #fff; }

/* Custom scrollbar */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 99px; border: 3px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #233056; }

/* ----------  Typography  ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; color: #fff; }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); }
p  { color: var(--text-soft); }

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.accent-text {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.mono { font-family: var(--font-mono); }

/* ----------  Layout  ---------- */
.container { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.section { padding: clamp(4.5rem, 9vw, 8rem) 0; position: relative; }
.section--tight { padding: clamp(3rem, 6vw, 5rem) 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono);
  font-size: .78rem; font-weight: 500;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent);
  padding: .4rem .9rem;
  border: 1px solid var(--border-strong);
  border-radius: 99px;
  background: var(--accent-soft);
  margin-bottom: 1.4rem;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--glow); }

.section-head { max-width: 720px; margin-bottom: 3.4rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: 1.1rem; font-size: 1.08rem; color: var(--text-dim); }

/* ----------  Buttons  ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  font-family: var(--font-display); font-weight: 600; font-size: .98rem;
  padding: .95rem 1.7rem; border-radius: 99px;
  position: relative; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  color: #04111f;
  background: var(--grad-brand);
  background-size: 180% 180%;
  box-shadow: 0 8px 30px -8px var(--glow), inset 0 0 0 1px rgba(255,255,255,.15);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 44px -10px var(--glow); background-position: 100% 50%; }

.btn-ghost {
  color: var(--text);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--accent); background: var(--accent-soft); color: #fff; }

.btn-lg { padding: 1.1rem 2.1rem; font-size: 1.05rem; }

/* ----------  Navbar  ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .4s var(--ease), border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
/* Calm scrim behind the navbar so the live hero canvas behind it (the moving
   particles) does not show through the transparent bar and read as a jittering
   navbar. Fades out once the nav gains its own solid background on scroll. */
.nav::before {
  content: ""; position: absolute; inset: 0 0 auto 0; z-index: -1;
  height: calc(var(--nav-h) + 28px); pointer-events: none;
  background: linear-gradient(180deg, rgba(5,7,14,0.88) 0%, rgba(5,7,14,0.5) 52%, transparent 100%);
  transition: opacity .4s var(--ease);
}
.nav.scrolled::before { opacity: 0; }
.nav.scrolled {
  background: rgba(5,7,14,0.72);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--border);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.brand { display: flex; align-items: center; gap: .7rem; font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; letter-spacing: -.02em; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px; flex: none;
  display: grid; place-items: center;
  background: var(--grad-brand);
  color: #04111f; font-weight: 800; font-size: 1.05rem;
  box-shadow: 0 6px 22px -8px var(--glow);
}
.brand small { display: block; font-family: var(--font-mono); font-size: .62rem; font-weight: 400; letter-spacing: .25em; color: var(--text-dim); text-transform: uppercase; margin-top: 1px; }

/* Wordmark logo (KAFADAR.AI) */
.logo-word { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; letter-spacing: .005em; color: #fff; line-height: 1; white-space: nowrap; }
.logo-dot { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.logo-lockup { display: flex; flex-direction: column; align-items: center; gap: .8rem; text-align: center; padding: 1.5rem; }
.logo-word--xl { font-size: clamp(1.9rem, 5.2vw, 2.9rem); letter-spacing: .01em; }
.logo-sub { font-family: var(--font-mono); font-size: .68rem; font-weight: 500; letter-spacing: .26em; text-transform: uppercase; color: var(--text-dim); }
.footer .logo-word { font-size: 1.45rem; }

.nav-links { display: flex; align-items: center; gap: .35rem; }
.nav-links a {
  position: relative; font-size: .94rem; font-weight: 500; color: var(--text-soft);
  padding: .55rem .9rem; border-radius: 10px; transition: color .25s, background .25s;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.04); }
.nav-links a.active { color: #fff; }
.nav-links a.active::after {
  content: ""; position: absolute; left: 50%; bottom: 2px; transform: translateX(-50%);
  width: 18px; height: 2px; border-radius: 2px; background: var(--grad-brand);
}

.nav-right { display: flex; align-items: center; gap: .8rem; }

/* Language toggle */
.lang-toggle {
  display: inline-flex; align-items: center;
  border: 1px solid var(--border-strong); border-radius: 99px;
  padding: 3px; background: rgba(255,255,255,0.03); font-family: var(--font-mono);
}
.lang-toggle button {
  font-size: .74rem; font-weight: 600; letter-spacing: .05em;
  padding: .32rem .62rem; border-radius: 99px; color: var(--text-dim);
  transition: color .25s, background .25s;
}
.lang-toggle button.active { color: #04111f; background: var(--accent); }

/* Mobile nav */
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 11px; border: 1px solid var(--border-strong); position: relative; }
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s; }
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 25px; }
body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ----------  Hero  ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding-top: var(--nav-h); overflow: hidden; }
#hero-canvas { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(180deg, transparent 55%, var(--bg) 98%); }

.hero-inner { max-width: 880px; transform: none !important; opacity: 1 !important; }
.hero h1 { margin-bottom: 1.5rem; }
.hero-lead { font-size: clamp(1.05rem, 1.8vw, 1.3rem); color: var(--text-soft); max-width: 620px; margin-bottom: 2.4rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }

.hero-scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .5rem; color: var(--text-dim); font-family: var(--font-mono); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; }
.hero-scroll .mouse { width: 24px; height: 38px; border: 2px solid var(--border-strong); border-radius: 14px; position: relative; }
.hero-scroll .mouse::before { content: ""; position: absolute; left: 50%; top: 7px; transform: translateX(-50%); width: 4px; height: 7px; border-radius: 3px; background: var(--accent); animation: scrolldot 1.8s var(--ease) infinite; }
@keyframes scrolldot { 0% { opacity: 0; transform: translate(-50%, 0); } 40% { opacity: 1; } 80% { opacity: 0; transform: translate(-50%, 12px); } 100% { opacity: 0; } }

/* ----------  Cards  ---------- */
.card {
  position: relative;
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .45s var(--ease); pointer-events: none;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 26px 60px -28px rgba(0,0,0,.85); }
.card:hover::before { opacity: .9; }

.card-icon {
  width: 54px; height: 54px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 1.3rem;
  background: var(--accent-soft); border: 1px solid var(--border-strong);
  color: var(--accent);
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: .7rem; }
.card p { font-size: .98rem; color: var(--text-dim); }

/* numbered card variant */
.card .card-num { font-family: var(--font-mono); font-size: .82rem; color: var(--accent); letter-spacing: .1em; margin-bottom: 1rem; display: block; }

/* feature card with subtle glow corner */
.card-glow::after { content: ""; position: absolute; width: 200px; height: 200px; top: -90px; right: -90px; border-radius: 50%; background: radial-gradient(circle, var(--glow), transparent 70%); opacity: .18; pointer-events: none; }

.grid { display: grid; gap: 1.4rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ----------  Stats  ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.stat { text-align: center; padding: 1.8rem 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.stat .num { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 700; line-height: 1; }
.stat .label { margin-top: .6rem; font-size: .9rem; color: var(--text-dim); }

/* ----------  Pills / Tags  ---------- */
.pill { display: inline-flex; align-items: center; gap: .45rem; font-size: .82rem; font-weight: 500; padding: .4rem .85rem; border-radius: 99px; border: 1px solid var(--border-strong); background: rgba(255,255,255,0.03); color: var(--text-soft); }
.pill svg { width: 14px; height: 14px; color: var(--accent); }
.pill-row { display: flex; flex-wrap: wrap; gap: .6rem; }

/* ----------  Timeline  ---------- */
.timeline { position: relative; padding-left: 2.2rem; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--accent), var(--accent-3), transparent); }
.tl-item { position: relative; padding-bottom: 2.4rem; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: -2.2rem; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 2px solid var(--accent); box-shadow: 0 0 0 4px rgba(56,189,248,0.12); }
.tl-item .tl-date { font-family: var(--font-mono); font-size: .8rem; color: var(--accent); letter-spacing: .05em; }
.tl-item h4 { font-size: 1.15rem; margin: .35rem 0; color: #fff; }
.tl-item p { font-size: .96rem; color: var(--text-dim); }

/* ----------  Marquee  ---------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 3.5rem; width: max-content; animation: marquee 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: var(--text-faint); display: flex; align-items: center; gap: 3.5rem; white-space: nowrap; }
.marquee-item::after { content: "◆"; color: var(--accent); font-size: .6rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ----------  Split / media  ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.media-frame { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-strong); background: var(--surface); aspect-ratio: 4/5; }
.media-frame::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 120px rgba(0,0,0,.5); border-radius: inherit; }
.media-glow { position: absolute; inset: -1px; border-radius: inherit; background: var(--grad-brand); filter: blur(40px); opacity: .25; z-index: -1; }

/* portrait placeholder (initials) */
.portrait-ph { width: 100%; height: 100%; display: grid; place-items: center; background:
  radial-gradient(circle at 30% 20%, rgba(56,189,248,.25), transparent 55%),
  radial-gradient(circle at 75% 80%, rgba(168,85,247,.25), transparent 55%), var(--surface-2);
  font-family: var(--font-display); font-weight: 700; font-size: 5rem; color: rgba(255,255,255,.15); letter-spacing: .05em; }
.portrait-img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; }

/* ----------  Lists (checks)  ---------- */
.check-list li { display: flex; gap: .8rem; align-items: flex-start; padding: .55rem 0; color: var(--text-soft); }
.check-list li svg { flex: none; width: 20px; height: 20px; color: var(--accent); margin-top: 3px; }

/* ----------  CTA band  ---------- */
.cta-band { position: relative; border-radius: var(--radius-lg); padding: clamp(2.5rem, 6vw, 4.5rem); text-align: center; overflow: hidden; border: 1px solid var(--border-strong); background: linear-gradient(135deg, var(--surface-2), var(--bg-2)); }
.cta-band::before { content: ""; position: absolute; inset: 0; background: var(--grad-brand); opacity: .08; }
.cta-band::after { content: ""; position: absolute; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, var(--glow), transparent 70%); top: -150px; left: 50%; transform: translateX(-50%); opacity: .3; pointer-events: none; }
.cta-band > * { position: relative; z-index: 1; }
.cta-band::before, .cta-band::after { z-index: 0; }
.cta-band h2 { margin-bottom: 1rem; }
.cta-band p { max-width: 560px; margin: 0 auto 2rem; color: var(--text-soft); }
/* quote variant of the band (home page) */
.cta-band--quote { background: linear-gradient(135deg, var(--surface), var(--bg-2)); }

/* ----------  Footer  ---------- */
.footer { border-top: 1px solid var(--border); padding: 4rem 0 2.5rem; background: var(--bg-2); position: relative; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2.5rem; margin-bottom: 3rem; }
.footer h5 { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .18em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 1.1rem; }
.footer-links li { margin-bottom: .65rem; }
.footer-links a { color: var(--text-soft); font-size: .95rem; transition: color .25s; }
.footer-links a:hover { color: var(--accent); }
.footer-about p { font-size: .95rem; color: var(--text-dim); margin-top: 1rem; max-width: 320px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; padding-top: 2rem; border-top: 1px solid var(--border); color: var(--text-dim); font-size: .88rem; }
.social-row { display: flex; gap: .7rem; }
.social-row a { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; border: 1px solid var(--border-strong); color: var(--text-soft); transition: all .3s var(--ease); }
.social-row a:hover { color: #fff; border-color: var(--accent); background: var(--accent-soft); transform: translateY(-3px); }
.social-row svg { width: 18px; height: 18px; }

/* ----------  Contact form  ---------- */
.field { margin-bottom: 1.2rem; }
.field label { display: block; font-size: .85rem; color: var(--text-soft); margin-bottom: .5rem; font-weight: 500; }
.field input, .field textarea, .field select {
  width: 100%; padding: .9rem 1.1rem; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border-strong); color: var(--text);
  font-family: inherit; font-size: .98rem; transition: border-color .25s, box-shadow .25s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field textarea { resize: vertical; min-height: 140px; }
.contact-info-item { display: flex; gap: 1rem; align-items: flex-start; padding: 1.2rem 0; border-bottom: 1px solid var(--border); }
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item .ci-icon,
.contact-card .ci-icon { width: 46px; height: 46px; flex: none; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); border: 1px solid var(--border-strong); color: var(--accent); }
.contact-info-item .ci-icon svg,
.contact-card .ci-icon svg { width: 20px; height: 20px; }
.contact-info-item h4 { font-size: 1rem; margin-bottom: .15rem; }
.contact-info-item p, .contact-info-item a { font-size: .94rem; color: var(--text-dim); }
.contact-info-item a:hover { color: var(--accent); }

/* ----------  Page hero (inner pages)  ---------- */
.page-hero { position: relative; padding: calc(var(--nav-h) + 5rem) 0 3.5rem; text-align: center; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(800px 400px at 50% -10%, rgba(56,189,248,0.14), transparent 70%); }
.page-hero p { max-width: 640px; margin: 1.2rem auto 0; color: var(--text-dim); font-size: 1.1rem; }

/* ----------  Language visibility  ---------- */
html[data-lang="tr"] .lang-en { display: none !important; }
html[data-lang="en"] .lang-tr { display: none !important; }

/* ----------  Scroll reveal  ---------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); will-change: opacity, transform; }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
[data-reveal][data-delay="5"] { transition-delay: .40s; }

/* ----------  Responsive  ---------- */
@media (max-width: 760px) {
  .nav-cta { display: none; }
}
/* keep service filter tabs as one tidy pill row on phones */
@media (max-width: 540px) {
  .svc-tabs { width: 100%; }
  .svc-tabs button { flex: 1 1 auto; padding: .55rem .7rem; font-size: .88rem; }
}
/* short / landscape phones: don't let the scroll hint overlap the CTAs */
@media (max-height: 600px) {
  .hero-scroll { display: none; }
}
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .media-frame { aspect-ratio: 16/12; max-width: 420px; margin-inline: auto; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: .2rem;
    background: rgba(5,7,14,0.97); backdrop-filter: blur(20px);
    padding: 1rem 1.25rem 1.5rem; border-bottom: 1px solid var(--border);
    transform: translateY(-120%); transition: transform .4s var(--ease); pointer-events: none;
  }
  body.menu-open .nav-links { transform: translateY(0); pointer-events: auto; }
  .nav-links a { padding: .9rem 1rem; font-size: 1rem; }
  .nav-links a.active::after { display: none; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-cta .btn { flex: 1 1 auto; }
}

/* ==========================================================================
   Struence partnership / ecosystem
   ========================================================================== */
/* Struence wordmark (black PNG → white on dark) */
.struence-logo { height: 18px; width: auto; filter: brightness(0) invert(1); opacity: .95; display: inline-block; vertical-align: middle; }
.struence-logo--lg { height: 24px; }
/* clickable Struence logo → struence.ai */
.struence-link { display: inline-flex; align-items: center; border-radius: 6px; transition: opacity .25s var(--ease); }
.struence-link:hover { opacity: .7; }
.struence-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

/* co-brand lockup: KAFADAR.AI × struence */
.cobrand { display: inline-flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.cobrand .x { color: var(--text-faint); font-family: var(--font-display); font-weight: 300; font-size: 1.9rem; }
.cobrand .ck { font-family: var(--font-display); font-weight: 700; font-size: 2.1rem; letter-spacing: .005em; color: #fff; }
.cobrand .ck .logo-dot { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.cobrand .struence-logo { height: 33px; opacity: 1; }

/* "Struence ile / by Struence" badge */
.by-struence { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); border: 1px solid var(--border-strong); border-radius: 99px; padding: .38rem .85rem; background: rgba(255,255,255,.03); }
.by-struence .struence-logo { height: 13px; opacity: 1; }

/* partnership highlight band */
.partner-band { position: relative; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); padding: clamp(2rem,5vw,3.6rem); background: linear-gradient(135deg, var(--surface-2), var(--bg-2)); overflow: hidden; }
.partner-band::after { content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, var(--glow), transparent 70%); top: -160px; right: -120px; opacity: .16; pointer-events: none; }

/* hero partnership card (Services page — under the title) */
.hero-partner {
  max-width: 760px; margin: 2.8rem auto 0;
  padding: clamp(1.8rem, 4vw, 2.6rem);
  border: 1px solid var(--border-strong); border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--surface-2), var(--bg-2));
  display: flex; flex-direction: column; align-items: center; gap: 1.1rem;
  position: relative; overflow: hidden; text-align: center;
}
.hero-partner::after {
  content: ""; position: absolute; width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  top: -180px; left: 50%; transform: translateX(-50%); opacity: .16; pointer-events: none;
}
.hero-partner > * { position: relative; z-index: 1; }
.hero-partner .cobrand { justify-content: center; }
.hero-partner-text { max-width: 60ch; margin: 0; color: var(--text-soft); font-size: 1.02rem; }
.hero-partner-text strong { color: #fff; font-weight: 600; }

/* ecosystem / partner cards */
.partner-card { display: flex; flex-direction: column; }
.partner-logo { min-height: 48px; display: flex; align-items: center; margin-bottom: 1.1rem; }
.partner-logo .struence-logo { height: 26px; }
.partner-name { font-family: var(--font-display); font-weight: 700; font-size: 1.9rem; letter-spacing: -.01em; color: #fff; line-height: 1; }
.partner-name .logo-dot { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.partner-sector { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: .9rem; }
.partner-visit { margin-top: auto; padding-top: 1.3rem; display: inline-flex; align-items: center; gap: .45rem; color: var(--text-soft); font-weight: 600; font-size: .92rem; }
.partner-visit svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.partner-card:hover .partner-visit { color: var(--accent); }
.partner-card:hover .partner-visit svg { transform: translate(3px,-3px); }

/* Struence module cards (colored accent via --mc) */
.module-card .card-icon { background: color-mix(in srgb, var(--mc, var(--accent)) 14%, transparent); border-color: color-mix(in srgb, var(--mc, var(--accent)) 38%, transparent); color: var(--mc, var(--accent)); }
.module-tag { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--mc, var(--accent)); margin-bottom: .55rem; display: block; }

/* footer co-brand */
.footer-cobrand { margin-top: 1.5rem; display: flex; align-items: center; gap: .65rem; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }
.footer-cobrand .struence-logo { height: 15px; }

/* ==========================================================================
   Services page — filter tabs + categorised cards
   ========================================================================== */
.svc-tabs { display: inline-flex; gap: .35rem; padding: 5px; border: 1px solid var(--border-strong); border-radius: 99px; background: rgba(255,255,255,0.03); flex-wrap: wrap; justify-content: center; }
.svc-tabs button { font-family: var(--font-display); font-weight: 600; font-size: .96rem; color: var(--text-dim); padding: .6rem 1.35rem; border-radius: 99px; transition: color .25s, background .25s; white-space: nowrap; }
.svc-tabs button:hover { color: #fff; }
.svc-tabs button.active { color: #04111f; background: var(--grad-brand); box-shadow: 0 8px 24px -10px var(--glow); }
.svc-tabs .cnt { opacity: .55; font-size: .82em; margin-left: .3rem; font-family: var(--font-mono); }
.svc-tabs button.active .cnt { opacity: .8; }

.svc-badges { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 1rem; }
.svc-badge { display: inline-flex; align-items: center; gap: .35rem; font-size: .71rem; font-weight: 600; letter-spacing: .01em; padding: .3rem .62rem; border-radius: 99px; border: 1px solid var(--border-strong); color: var(--text-soft); white-space: nowrap; }
.svc-badge svg { width: 13px; height: 13px; }
.svc-badge--corp { color: #7fd6ff; border-color: rgba(56,189,248,.35); background: rgba(56,189,248,.08); }
.svc-badge--ind  { color: #c4b5fd; border-color: rgba(168,85,247,.35); background: rgba(168,85,247,.08); }
.svc-badge--mode { color: var(--text-dim); }

.svc-card.is-hidden { display: none; }

/* ==========================================================================
   Solutions page — alternating partner detail blocks
   ========================================================================== */
.split--rev { direction: rtl; }
.split--rev > * { direction: ltr; }
@media (max-width: 980px) { .split--rev { direction: ltr; } }
.partner-label { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .1em; color: var(--accent); margin-bottom: .7rem; display: inline-block; }
.media-frame .logo-lockup .struence-logo { height: 54px; }

/* Contact page — channel cards */
.contact-card { display: flex; align-items: center; gap: 1.2rem; text-align: left; }
.contact-card .ci-icon { flex: none; }
.contact-card h4 { font-size: 1.05rem; margin-bottom: .2rem; color: #fff; }
.contact-card .val { color: var(--text-dim); font-size: .96rem; word-break: break-word; transition: color .25s; }
.contact-card:hover .val { color: var(--accent); }

/* ==========================================================================
   Print
   ========================================================================== */
@media print {
  body { background: #fff !important; color: #111 !important; font-size: 12pt; }
  body::before, body::after, #hero-canvas, .hero-scroll, .nav, .nav-toggle,
  .lang-toggle, .marquee, .social-row, .skip-link { display: none !important; }
  .hero { min-height: auto; padding-top: 2rem; }
  h1, h2, h3, h4, h5 { color: #000 !important; -webkit-text-fill-color: #000 !important; }
  p, li, .stat .label, .card p { color: #222 !important; }
  .accent-text, .gradient-text { -webkit-text-fill-color: #1559a8 !important; color: #1559a8 !important; }
  .card, .stat, .cta-band, .partner-band, .media-frame { border: 1px solid #ccc !important; background: #fff !important; box-shadow: none !important; }
  a { color: #1559a8 !important; text-decoration: underline; }
  .section, .section--tight { padding: 1.5rem 0 !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}