/* ==========================================================
   SİNYALİST — Ana stil dosyası
   Renkler: Electric Blue #0066FF · Deep Midnight #0F172A
   ========================================================== */

/* ---------- Tema değişkenleri ---------- */
:root {
  --blue: #0066FF;
  --blue-600: #0052CC;
  --blue-300: #4D94FF;
  --midnight: #0F172A;
  --midnight-900: #0A1020;

  --bg: #FFFFFF;
  --bg-soft: #F4F7FC;
  --surface: #FFFFFF;
  --surface-2: #F8FAFD;
  --text: #0F172A;
  --text-muted: #4B5A70;
  --border: #E2E8F0;
  --primary: #0066FF;
  --primary-hover: #0052CC;
  --primary-text: #0058DB;
  --primary-soft: rgba(0, 102, 255, .08);
  --primary-soft-2: rgba(0, 102, 255, .14);
  --header-bg: rgba(255, 255, 255, .82);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .05);
  --shadow: 0 10px 30px -12px rgba(15, 23, 42, .18);
  --shadow-lg: 0 30px 60px -20px rgba(15, 23, 42, .25);
  --grid-line: rgba(15, 23, 42, .06);
  --success: #0E9F6E;
  --danger: #DC2626;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --container: 1200px;
  --header-h: 76px;
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0F172A;
  --bg-soft: #0B1222;
  --surface: #162036;
  --surface-2: #131C30;
  --text: #E6ECF5;
  --text-muted: #9AA8BD;
  --border: #233049;
  --primary: #1A75FF;
  --primary-hover: #3385FF;
  --primary-text: #5C9DFF;
  --primary-soft: rgba(51, 133, 255, .12);
  --primary-soft-2: rgba(51, 133, 255, .2);
  --header-bg: rgba(15, 23, 42, .8);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
  --shadow: 0 10px 30px -12px rgba(0, 0, 0, .55);
  --shadow-lg: 0 30px 60px -20px rgba(0, 0, 0, .6);
  --grid-line: rgba(148, 163, 184, .07);
  --success: #34D399;
  --danger: #F87171;
  color-scheme: dark;
}

/* ---------- Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background-color .3s ease, color .3s ease;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--primary-text); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-hover); }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.18; letter-spacing: -.02em; font-weight: 800; color: var(--text); }
h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
button, input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--blue); color: #fff; }
:focus-visible { outline: 3px solid var(--blue-300); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.icon { width: 20px; height: 20px; flex-shrink: 0; }

.skip-link { position: absolute; left: 16px; top: -60px; z-index: 999; background: var(--blue); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 16px; color: #fff; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 12px 22px; border-radius: 999px; border: 1.5px solid transparent;
  font-weight: 700; font-size: .95rem; line-height: 1.2; cursor: pointer;
  transition: transform .2s ease, background-color .2s, color .2s, border-color .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn .icon { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover .icon { transform: translateX(3px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 20px -8px rgba(0, 102, 255, .6); }
.btn-primary:hover { background: var(--blue-600); color: #fff; transform: translateY(-1px); }
.btn-outline { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary-text); }
.btn-light { background: #fff; color: var(--midnight); }
.btn-light:hover { background: #E8F0FF; color: var(--midnight); transform: translateY(-1px); }
.btn-lg { padding: 16px 28px; font-size: 1rem; }
.btn-block { width: 100%; }

.text-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; }
.text-link .icon { width: 17px; height: 17px; transition: transform .2s; }
.text-link:hover .icon { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--header-h);
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background-color .3s, box-shadow .3s;
}
.site-header.scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow-sm); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand .logo { height: 44px; width: auto; }
.logo-for-dark { display: none !important; }
[data-theme="dark"] .logo-for-light { display: none !important; }
[data-theme="dark"] .logo-for-dark { display: block !important; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav ul { list-style: none; display: flex; gap: 4px; }
.main-nav ul a {
  display: block; padding: 8px 14px; border-radius: 999px;
  color: var(--text-muted); font-weight: 600; font-size: .95rem;
}
.main-nav ul a:hover { color: var(--text); background: var(--primary-soft); }
.main-nav ul a.active { color: var(--primary-text); background: var(--primary-soft); }
.nav-cta { padding: 10px 20px; }

.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle, .menu-toggle {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--border); background: var(--surface); cursor: pointer; color: var(--text);
  transition: border-color .2s, color .2s, transform .2s;
}
.theme-toggle:hover, .menu-toggle:hover { border-color: var(--primary); color: var(--primary-text); }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
.menu-toggle { display: none; }
.menu-toggle .icon-close { display: none; }
.nav-open .menu-toggle .icon-close { display: block; }
.nav-open .menu-toggle .icon-open { display: none; }

@media (max-width: 1060px) {
  .menu-toggle { display: grid; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; z-index: 99;
    flex-direction: column; align-items: stretch; gap: 16px;
    padding: 20px 24px 28px; background: var(--bg); border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav-open .main-nav { transform: none; opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav ul a { padding: 12px 16px; border-radius: 12px; font-size: 1.05rem; }
  .nav-cta { padding: 14px 20px; }
}

/* ---------- Bölüm yapısı ---------- */
.section { padding: 110px 0; position: relative; }
.section-sm { padding: 80px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head p { color: var(--text-muted); font-size: 1.1rem; margin: 0; }
.section-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 48px; flex-wrap: wrap; }
.section-head-row .section-head { margin-bottom: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--primary-text);
}
.eyebrow::before { content: ''; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
.eyebrow-light { color: #A9C8FF; }

.grid-bg {
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ---------- Hero (anasayfa) ---------- */
.hero { position: relative; padding: 90px 0 110px; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
}
.hero::after {
  content: ''; position: absolute; z-index: -1; width: 720px; height: 720px; right: -200px; top: -220px;
  background: radial-gradient(circle, rgba(0, 102, 255, .22), transparent 65%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 6px; margin-bottom: 24px;
  border: 1px solid var(--border); background: var(--surface); border-radius: 999px;
  font-size: .85rem; font-weight: 600; color: var(--text-muted); box-shadow: var(--shadow-sm);
}
.hero-badge b { background: var(--blue); color: #fff; padding: 3px 10px; border-radius: 999px; font-size: .75rem; letter-spacing: .04em; }
.hero h1 .accent { color: var(--primary-text); position: relative; white-space: nowrap; }
.hero h1 .accent::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: .06em; height: .14em;
  background: var(--primary-soft-2); border-radius: 4px; z-index: -1;
}
.hero-lead { font-size: 1.2rem; color: var(--text-muted); max-width: 560px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-points { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 40px; color: var(--text-muted); font-size: .92rem; font-weight: 600; }
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points .icon { width: 18px; height: 18px; color: var(--success); }

/* Hero görsel — sinyal panosu */
.hero-visual { position: relative; }
.signal-card {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-lg);
}
.signal-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.signal-card-head span { font-size: .85rem; color: var(--text-muted); font-weight: 600; }
.signal-live { display: inline-flex; align-items: center; gap: 8px; font-size: .75rem; font-weight: 700; color: var(--success); letter-spacing: .06em; text-transform: uppercase; }
.signal-live::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: currentColor; animation: pulse 1.8s infinite; }
.signal-value { font-size: 2.3rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; }
.signal-value small { font-size: .95rem; color: var(--success); font-weight: 700; margin-left: 8px; letter-spacing: 0; }
.signal-chart { margin: 18px -6px 4px; height: 170px; }
.signal-chart svg { width: 100%; height: 100%; overflow: visible; }
.signal-chart .area { fill: url(#areaGrad); }
.signal-chart .line { fill: none; stroke: var(--blue); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 900; stroke-dashoffset: 900; animation: draw 2.4s .3s ease forwards; }
.signal-chart .gridline { stroke: var(--border); stroke-dasharray: 4 6; }
.signal-chart .dot { fill: var(--surface); stroke: var(--blue); stroke-width: 3; opacity: 0; animation: fadeIn .4s 2.5s forwards; }
.signal-bars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 14px; }
.signal-bars div { background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.signal-bars span { display: block; font-size: .75rem; color: var(--text-muted); font-weight: 600; }
.signal-bars b { font-size: 1.05rem; }

.float-chip {
  position: absolute; display: flex; align-items: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 12px 16px; box-shadow: var(--shadow); font-size: .85rem; font-weight: 600;
  animation: float 6s ease-in-out infinite;
}
.float-chip .chip-icon { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary-text); }
.float-chip .chip-icon .icon { width: 18px; height: 18px; }
.float-chip small { display: block; color: var(--text-muted); font-weight: 500; font-size: .75rem; }
.chip-1 { left: -44px; bottom: -52px; }
.chip-2 { right: -30px; top: -58px; animation-delay: -3s; }
.hero-visual { margin: 40px 0 20px; }

@media (max-width: 960px) {
  .hero { padding: 56px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .chip-1 { left: -8px; } .chip-2 { right: -8px; }
}

/* ---------- İç sayfa başlığı ---------- */
.page-hero { position: relative; padding: 80px 0 72px; overflow: hidden; border-bottom: 1px solid var(--border); background: var(--bg-soft); }
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent, #000 60%);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 60%);
}
.page-hero::after {
  content: ''; position: absolute; width: 520px; height: 520px; right: -140px; top: -240px;
  background: radial-gradient(circle, rgba(0, 102, 255, .2), transparent 65%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.2rem); max-width: 820px; }
.page-hero p { color: var(--text-muted); font-size: 1.15rem; max-width: 640px; margin: 0; }
.breadcrumb { display: flex; gap: 8px; list-style: none; font-size: .88rem; font-weight: 600; color: var(--text-muted); margin-bottom: 20px; flex-wrap: wrap; }
.breadcrumb li + li::before { content: '/'; margin-right: 8px; opacity: .5; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary-text); }

/* ---------- Kartlar ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: transform .3s ease, box-shadow .3s ease, border-color .3s;
}
.card-hover:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--primary-soft-2); }
.icon-box {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: var(--primary-soft); color: var(--primary-text); margin-bottom: 22px;
  transition: background-color .3s, color .3s;
}
.icon-box .icon { width: 26px; height: 26px; }
.card-hover:hover .icon-box { background: var(--blue); color: #fff; }
.card p { color: var(--text-muted); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; } }

/* Hizmet kartları (anasayfa) — 5'li düzen */
.services-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; }
.services-grid .card { grid-column: span 2; display: flex; flex-direction: column; }
.services-grid .card:nth-child(4) { grid-column: 2 / span 2; }
.services-grid .card p { flex: 1; }
@media (max-width: 960px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid .card, .services-grid .card:nth-child(4) { grid-column: auto; }
  .services-grid .card:last-child { grid-column: 1 / -1; }
}
@media (max-width: 640px) { .services-grid { grid-template-columns: 1fr; } }

/* ---------- Neden biz / değerler ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
@media (max-width: 960px) { .split { grid-template-columns: 1fr; gap: 48px; } }
.feature-list { list-style: none; display: grid; gap: 22px; margin-top: 32px; }
.feature-list li { display: flex; gap: 18px; }
.feature-list .icon-box { margin: 0; width: 48px; height: 48px; flex-shrink: 0; }
.feature-list h3 { font-size: 1.08rem; margin-bottom: 4px; }
.feature-list p { margin: 0; color: var(--text-muted); font-size: .97rem; }

.dark-panel {
  position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: 44px;
  background: var(--midnight); color: #E6ECF5; border: 1px solid #1E2A44;
}
.dark-panel::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(148,163,184,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(148,163,184,.08) 1px, transparent 1px);
  background-size: 36px 36px;
}
.dark-panel::after { content: ''; position: absolute; width: 400px; height: 400px; right: -150px; bottom: -180px; background: radial-gradient(circle, rgba(0,102,255,.45), transparent 65%); }
.dark-panel > * { position: relative; z-index: 1; }
.dark-panel h3 { color: #fff; font-size: 1.5rem; }
.flow { list-style: none; display: grid; gap: 14px; margin-top: 28px; }
.flow li {
  display: flex; align-items: center; gap: 16px; padding: 16px 18px; border-radius: 14px;
  background: rgba(255,255,255,.04); border: 1px solid rgba(148,163,184,.14);
}
.flow li b { color: #fff; display: block; }
.flow li span { color: #9AA8BD; font-size: .9rem; }
.flow .num { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; flex-shrink: 0; background: rgba(0,102,255,.2); color: #8DB8FF; font-weight: 800; }

/* ---------- Süreç adımları ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 28px; }
.step::before {
  counter-increment: step; content: '0' counter(step);
  display: block; font-size: 3rem; font-weight: 800; line-height: 1; letter-spacing: -.04em;
  color: transparent; -webkit-text-stroke: 1.5px var(--primary-text); margin-bottom: 18px; opacity: .9;
}
.step::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--blue), transparent); }
.step h3 { font-size: 1.1rem; }
.step p { color: var(--text-muted); margin: 0; font-size: .97rem; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Otomatik kapak (portföy & blog) ---------- */
.cover {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--c1, #0F172A), var(--c2, #0066FF));
}
.cover::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 70% 30%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 70% 30%, #000, transparent 75%);
}
.cover::after { content: ''; position: absolute; width: 70%; aspect-ratio: 1; right: -20%; bottom: -40%; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); box-shadow: 0 0 0 40px rgba(255,255,255,.03), 0 0 0 80px rgba(255,255,255,.02); }
.cover .icon { position: relative; z-index: 1; width: 56px; height: 56px; color: #fff; opacity: .95; stroke-width: 1.4; transition: transform .5s ease; }
.cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 2; transition: transform .6s ease; }
.cover[data-tone="veri"]       { --c1: #0F172A; --c2: #0066FF; }
.cover[data-tone="yapay-zeka"] { --c1: #1E1B4B; --c2: #4F46E5; }
.cover[data-tone="dijital"]    { --c1: #0F172A; --c2: #0891B2; }
.cover[data-tone="cekim"]      { --c1: #172554; --c2: #2563EB; }
.cover[data-tone="ajans"]      { --c1: #0B1324; --c2: #3B82F6; }

/* ---------- Portföy ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-btn {
  padding: 9px 18px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
  font-weight: 600; font-size: .9rem; color: var(--text-muted); cursor: pointer; transition: all .2s;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary-text); }
.filter-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; }

.project { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .3s, box-shadow .3s, opacity .3s; }
.project:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.project:hover .cover .icon { transform: scale(1.12); }
.project:hover .cover img { transform: scale(1.05); }
.project-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.project-meta { display: flex; justify-content: space-between; gap: 12px; font-size: .8rem; font-weight: 600; color: var(--text-muted); margin-bottom: 10px; }
.tag { display: inline-block; padding: 4px 10px; border-radius: 999px; background: var(--primary-soft); color: var(--primary-text); font-size: .75rem; font-weight: 700; white-space: nowrap; }
.project h3 { font-size: 1.15rem; }
.project p { color: var(--text-muted); font-size: .95rem; flex: 1; }
.project-result { display: flex; align-items: center; gap: 8px; padding-top: 16px; border-top: 1px solid var(--border); font-weight: 700; font-size: .92rem; }
.project-result .icon { color: var(--success); width: 18px; height: 18px; }
.project.is-hidden { display: none; }

/* ---------- Blog ---------- */
.post-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .3s, box-shadow .3s; color: inherit; }
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); color: inherit; }
.post-card:hover .cover .icon { transform: scale(1.12) rotate(-4deg); }
.post-card-body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.post-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: .82rem; color: var(--text-muted); font-weight: 600; margin-bottom: 12px; }
.post-meta span { display: inline-flex; align-items: center; gap: 6px; }
.post-meta .icon { width: 15px; height: 15px; }
.post-card h3 { font-size: 1.18rem; transition: color .2s; }
.post-card:hover h3 { color: var(--primary-text); }
.post-card p { color: var(--text-muted); font-size: .95rem; flex: 1; }
.post-card .text-link { margin-top: 8px; }

.post-featured { display: grid; grid-template-columns: 1.15fr 1fr; margin-bottom: 32px; }
.post-featured .cover { aspect-ratio: auto; min-height: 340px; height: 100%; }
.post-featured .post-card-body { padding: 44px; justify-content: center; }
.post-featured h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
@media (max-width: 860px) { .post-featured { grid-template-columns: 1fr; } .post-featured .cover { min-height: 0; aspect-ratio: 16/9; } .post-featured .post-card-body { padding: 28px; } }

/* Tekil yazı */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 64px; align-items: start; }
@media (max-width: 960px) { .article-layout { grid-template-columns: 1fr; } }
.article-cover { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 44px; }
.article-cover .cover { aspect-ratio: 21 / 9; }
.prose { font-size: 1.08rem; line-height: 1.8; }
.prose p, .prose li { color: var(--text-muted); }
.prose h2 { font-size: 1.55rem; margin: 1.8em 0 .6em; }
.prose ul { padding-left: 1.3em; margin: 0 0 1.4em; }
.prose li { margin-bottom: .5em; }
.prose li::marker { color: var(--primary-text); }
.prose strong { color: var(--text); }
.prose > p:first-child { font-size: 1.2rem; color: var(--text); }
.article-share { display: flex; align-items: center; gap: 12px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.article-share b { margin-right: 4px; }

.sidebar { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 24px; }
.sidebar .card { padding: 26px; }
.sidebar h3 { font-size: 1.05rem; margin-bottom: 16px; }
.mini-posts { list-style: none; display: grid; gap: 16px; }
.mini-posts a { display: block; font-weight: 700; font-size: .95rem; line-height: 1.4; color: var(--text); }
.mini-posts a:hover { color: var(--primary-text); }
.mini-posts span { display: block; font-size: .8rem; color: var(--text-muted); margin-top: 4px; font-weight: 500; }
.sidebar-cta { background: var(--midnight); color: #CBD5E1; border-color: #1E2A44; }
.sidebar-cta h3 { color: #fff; }
.sidebar-cta p { color: #9AA8BD; font-size: .93rem; }

/* ---------- Hizmetler detay ---------- */
.service-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 72px 0; border-bottom: 1px solid var(--border); }
.service-row:last-child { border-bottom: 0; }
.service-row:nth-child(even) .service-visual { order: -1; }
.service-row .icon-box { width: 60px; height: 60px; }
.service-row h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.service-row > div > p { color: var(--text-muted); font-size: 1.08rem; }
.check-list { list-style: none; display: grid; gap: 12px; margin: 24px 0 32px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-weight: 500; }
.check-list .icon { width: 22px; height: 22px; padding: 4px; border-radius: 50%; background: var(--primary-soft); color: var(--primary-text); margin-top: 2px; stroke-width: 2.6; }
.service-visual { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.service-visual .cover { aspect-ratio: 4 / 3; }
.service-visual .cover .icon { width: 96px; height: 96px; stroke-width: 1.1; }
@media (max-width: 960px) {
  .service-row { grid-template-columns: 1fr; gap: 36px; padding: 56px 0; }
  .service-row:nth-child(even) .service-visual { order: 0; }
}

/* ---------- Hakkımızda ---------- */
.about-visual { position: relative; }
.about-visual .dark-panel { padding: 52px 44px; }
.big-quote { font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 700; line-height: 1.35; letter-spacing: -.02em; color: #fff; margin: 0 0 24px; }
.big-quote em { font-style: normal; color: #6EA8FF; }
.value-card h3 { font-size: 1.12rem; }
.mv-card { padding: 40px; }
.mv-card h3 { font-size: 1.4rem; }

/* ---------- SSS ---------- */
.faq-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 56px; align-items: start; }
@media (max-width: 900px) { .faq-layout { grid-template-columns: 1fr; gap: 32px; } .faq-nav { position: static !important; flex-direction: row !important; flex-wrap: wrap; } }
.faq-nav { position: sticky; top: calc(var(--header-h) + 24px); display: flex; flex-direction: column; gap: 6px; }
.faq-nav a { padding: 10px 16px; border-radius: 12px; font-weight: 600; color: var(--text-muted); border: 1px solid transparent; }
.faq-nav a:hover, .faq-nav a.active { color: var(--primary-text); background: var(--primary-soft); }
.faq-group + .faq-group { margin-top: 56px; }
.faq-group h2 { font-size: 1.5rem; margin-bottom: 20px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); margin-bottom: 12px; transition: border-color .2s, box-shadow .2s; }
.faq-item[open] { border-color: var(--primary-soft-2); box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 20px 24px; font-weight: 700; font-size: 1.03rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { width: 22px; height: 22px; flex-shrink: 0; color: var(--primary-text); transition: transform .3s; }
.faq-item[open] summary .icon { transform: rotate(45deg); }
.faq-answer { padding: 0 24px 22px; color: var(--text-muted); }
.faq-answer p { margin: 0; }

/* ---------- İletişim ---------- */
.contact-layout { display: grid; grid-template-columns: 380px minmax(0, 1fr); gap: 32px; align-items: start; }
@media (max-width: 960px) { .contact-layout { grid-template-columns: 1fr; } }
.contact-info { display: grid; gap: 16px; }
.info-item { display: flex; gap: 16px; align-items: flex-start; padding: 22px; }
.info-item .icon-box { margin: 0; width: 46px; height: 46px; flex-shrink: 0; }
.info-item .icon-box .icon { width: 22px; height: 22px; }
.info-item span { display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; color: var(--text-muted); margin-bottom: 2px; }
.info-item b, .info-item a { font-weight: 700; color: var(--text); word-break: break-word; }
.info-item a:hover { color: var(--primary-text); }
.contact-social .social { margin-top: 12px; }
.contact-social p { margin: 0; color: var(--text-muted); font-size: .93rem; }

.form-card { padding: 40px; }
.form-card h2 { font-size: 1.6rem; }
.form-card > p { color: var(--text-muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } .form-card { padding: 28px 22px; } }
.field label { display: block; font-weight: 700; font-size: .88rem; margin-bottom: 8px; }
.field label .req { color: var(--danger); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border-radius: 12px; border: 1.5px solid var(--border);
  background: var(--surface-2); transition: border-color .2s, box-shadow .2s, background-color .2s; font-size: .97rem;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-soft); background: var(--surface); }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-color: var(--danger); }
.field-error { display: block; color: var(--danger); font-size: .82rem; font-weight: 600; margin-top: 6px; min-height: 0; }
.check-field { display: flex; gap: 12px; align-items: flex-start; font-size: .9rem; color: var(--text-muted); }
.check-field input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); flex-shrink: 0; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.form-alert { display: none; padding: 14px 18px; border-radius: 12px; font-weight: 600; margin-top: 20px; font-size: .95rem; }
.form-alert.show { display: block; }
.form-alert.success { background: rgba(14, 159, 110, .1); color: var(--success); border: 1px solid rgba(14, 159, 110, .3); }
.form-alert.error { background: rgba(220, 38, 38, .08); color: var(--danger); border: 1px solid rgba(220, 38, 38, .3); }
.btn[disabled] { opacity: .65; cursor: wait; }
.spinner { width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; display: none; }
.is-loading .spinner { display: block; }
.is-loading .btn-label-icon { display: none; }

.map-wrap { margin-top: 32px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); height: 420px; background: var(--surface-2); }
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
[data-theme="dark"] .map-wrap iframe { filter: invert(.9) hue-rotate(180deg) saturate(.75) brightness(.95); }

/* ---------- Sosyal ---------- */
.social { display: flex; gap: 10px; flex-wrap: wrap; }
.social a {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  border: 1px solid var(--border); color: var(--text-muted); transition: all .2s;
}
.social a:hover { background: var(--blue); border-color: var(--blue); color: #fff; transform: translateY(-2px); }
.social .icon { width: 18px; height: 18px; }

/* ---------- CTA bandı ---------- */
.cta-band { padding: 0 0 100px; background: var(--bg); }
.page-home .cta-band, .page-services .cta-band { background: var(--bg); }
.cta-band-inner {
  position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  padding: 56px 60px; border-radius: var(--radius-lg);
  background: linear-gradient(120deg, #0A2A6B 0%, var(--blue) 100%); color: #fff;
}
.cta-band-inner::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(90deg, transparent 20%, #000);
  -webkit-mask-image: linear-gradient(90deg, transparent 20%, #000);
}
.cta-band-inner > * { position: relative; }
.cta-band h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: .3em; }
.cta-band p { color: #D6E4FF; margin: 0; font-size: 1.08rem; }
@media (max-width: 640px) { .cta-band-inner { padding: 40px 28px; } .cta-band { padding-bottom: 72px; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--midnight-900); color: #9AA8BD; padding: 80px 0 0; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 48px; }
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; gap: 36px; } }
.footer-brand img { height: 46px; width: auto; margin-bottom: 20px; }
.footer-brand p { max-width: 340px; }
.footer-title { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 20px; }
.footer-links, .footer-contact { list-style: none; display: grid; gap: 12px; }
.footer-links a, .footer-contact a { color: #9AA8BD; }
.footer-links a:hover, .footer-contact a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 12px; align-items: flex-start; }
.footer-contact .icon { width: 18px; height: 18px; margin-top: 3px; color: #5C9DFF; }
.social-footer { margin-top: 20px; }
.social-footer a { border-color: #1E2A44; color: #9AA8BD; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 28px 24px; margin-top: 64px; border-top: 1px solid #1A2540; font-size: .87rem; }
.footer-bottom p { margin: 0; }

/* ---------- Yukarı çık ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 90; width: 48px; height: 48px; border-radius: 50%;
  border: 0; background: var(--blue); color: #fff; cursor: pointer; display: grid; place-items: center;
  box-shadow: 0 10px 24px -8px rgba(0,102,255,.7); opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all .3s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--blue-600); }

/* ---------- 404 ---------- */
.not-found { text-align: center; padding: 140px 0; }
.not-found .code { font-size: clamp(6rem, 18vw, 11rem); font-weight: 800; line-height: 1; letter-spacing: -.05em; color: transparent; -webkit-text-stroke: 2px var(--primary-text); margin-bottom: 12px; }
.not-found p { color: var(--text-muted); font-size: 1.1rem; }

/* ---------- Animasyonlar ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; } .reveal-d2 { transition-delay: .16s; } .reveal-d3 { transition-delay: .24s; } .reveal-d4 { transition-delay: .32s; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(14,159,110,.5); } 70% { box-shadow: 0 0 0 8px rgba(14,159,110,0); } 100% { box-shadow: 0 0 0 0 rgba(14,159,110,0); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fadeIn { to { opacity: 1; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .signal-chart .line { stroke-dashoffset: 0; }
  .signal-chart .dot { opacity: 1; }
}
@media (max-width: 640px) {
  .section { padding: 76px 0; }
  .section-sm { padding: 56px 0; }
  .container { padding: 0 16px; }
  .card { padding: 26px; }
  .brand .logo { height: 38px; }
  .page-hero { padding: 56px 0 52px; }
}
