/* ============================================
   KODIUM BİLİŞİM — MAIN STYLESHEET
   Premium Corporate Software Company
============================================ */

:root {
  /* Dark Theme Colors */
  --bg-primary: #050c18;
  --bg-secondary: #080f1f;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --bg-glass: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(96,165,250,0.4);
  --text-primary: #f0f4ff;
  --text-secondary: #8b9cb8;
  --text-muted: #7d8ca6;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-dark: #1d4ed8;
  --accent-glow: rgba(59,130,246,0.3);
  --navy: #0a1628;
  /* İlk durak #3b82f6 → #2563eb: beyaz buton metni en açık noktada 3.68:1 → 5.17:1 */
  --gradient: linear-gradient(135deg, #2563eb, #1d4ed8, #7c3aed);
  --gradient-text: linear-gradient(135deg, #60a5fa, #818cf8, #c084fc);
  /* Yüzey ve durum jetonları — daha önce literal rgba/hex olarak dağınıktı */
  --surface-sunk: rgba(255,255,255,0.04);
  --surface-float: rgba(255,255,255,0.08);
  --border-float: rgba(255,255,255,0.12);
  --field-bg: rgba(255,255,255,0.04);
  --field-border: #5f6f8a;            /* alan sınırı 3.25:1 (WCAG 1.4.11) */
  --nav-scrolled: rgba(5,12,24,0.92);
  --grid-line: rgba(59,130,246,0.04);
  --success: #10b981;
  --success-text: #4ade80;
  --danger: #f87171;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(59,130,246,0.2);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font: 'Inter', 'Inter Fallback', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

[data-theme="light"] {
  --bg-primary: #f8faff;
  --bg-secondary: #eef2ff;
  --bg-card: rgba(255,255,255,0.9);
  --bg-card-hover: rgba(255,255,255,1);
  --bg-glass: rgba(255,255,255,0.7);
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(59,130,246,0.4);
  --text-primary: #0a1628;
  --text-secondary: #4a5568;
  --text-muted: #5b6472;
  --navy: #f0f4ff;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 40px rgba(59,130,246,0.15);
  /* Vurgu: #60a5fa açık zeminde 2.43:1 kalıyordu → #1d4ed8 ile 6.42:1 */
  --accent: #1d4ed8;
  --accent-light: #1d4ed8;
  --accent-glow: rgba(29,78,216,0.25);
  /* Degrade metin: aynı 135° üç durak, koyulaştırıldı — #eef2ff üzerinde 5.99 / 7.07 / 6.35 */
  --gradient-text: linear-gradient(135deg, #1d4ed8, #4338ca, #6d28d9);
  --surface-sunk: rgba(10,22,40,0.035);
  --surface-float: rgba(255,255,255,0.92);
  --border-float: rgba(10,22,40,0.08);
  --field-bg: #ffffff;
  --field-border: #7b8698;            /* beyaz üzerinde 3.68:1 */
  --nav-scrolled: rgba(248,250,255,0.92);
  --grid-line: rgba(29,78,216,0.05);
  --success: #047857;                 /* #10b981 açık kartta 2.52:1 → 5.44:1 */
  --success-text: #047857;
  --danger: #b91c1c;
}

/* ===== INTER (kendi alan adımızdan) =====
   Google Fonts'un render-blocking CSS'i kaldırıldı; aynı woff2 alt kümeleri
   /css/fonts/ altından veriliyor. Değişken eksen (wght 400–900) tek dosyada.
   latin = Türkçe metnin büyük kısmı, latin-ext = ğ Ğ İ ş Ş ve ₺. */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url('fonts/inter-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url('fonts/inter-var-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* Inter yüklenene kadar ölçüsü ona yakın yerel yedek — yükleme anındaki kaymayı (CLS) keser */
@font-face {
  font-family: 'Inter Fallback';
  src: local('Segoe UI'), local('Helvetica Neue'), local('Arial');
  size-adjust: 107%;
  ascent-override: 90%;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s, color 0.3s;
}
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
body.menu-open { overflow: hidden; }
::placeholder { color: var(--text-muted); opacity: 1; }

/* Yalnız ekran okuyucu için — görsel olarak gizli ama erişilebilirlik ağacında var */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap; border: 0;
}

/* ===== FOCUS =====
   Tüm etkileşimli öğeler için tek, tutarlı odak halkası. Halka öğenin kendi
   köşe yarıçapını izler; yuvarlak düğmeler odakta köşeli kareye dönmez. */
:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 3px;
}
/* Fare kullanıcısında halka çıkmasın, klavyede çıksın */
:focus:not(:focus-visible) { outline: none; }

/* ===== PAGE TRANSITION =====
   Giriş solması kaldırıldı: body opacity:0'dan başlıyordu ve Chrome ilk içerikli
   boyamayı (FCP) kaçırıyordu. Lighthouse'ta sayfaların bir kısmı NO_FCP verdi; eskiden
   bunu yükleyici çubuğunun her karedeki yeniden boyaması örtüyordu. Sayfa ilk
   karede görünür; bağlantıya tıklayınca çıkış solması aynen duruyor. */
body.is-leaving { opacity: 0; transition: opacity 0.22s ease; }

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute; left: 1rem; top: -100px;
  z-index: 10001;
  padding: 0.75rem 1.25rem;
  background: var(--accent-dark); color: #fff;
  font-size: 0.9rem; font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* ===== LOADER =====
   Kapatıldı: tam ekran yükleyici `load` olayına (fontlar, harita iframe'i) kadar
   içeriği örtüyor ve LCP'yi geciktiriyordu. İşaretleme 11 sayfada ortak kaldığı
   için yalnızca görünmez yapıldı; geri açmak bu tek kuralı silmektir. */
#loader { display: none; }
.loader-inner { text-align: center; }
.loader-logo {
  font-size: 2.5rem; font-weight: 800;
  margin-bottom: 2rem; letter-spacing: -1px;
}
.logo-k { color: var(--accent); }
.logo-rest { color: var(--text-primary); }
.loader-bar {
  width: 200px; height: 2px;
  background: var(--border);
  border-radius: 2px; overflow: hidden;
  margin: 0 auto;
}
.loader-progress {
  height: 100%;
  background: var(--gradient);
  border-radius: 2px;
  animation: loadProg 1.5s ease forwards;
}
@keyframes loadProg { from { width: 0; } to { width: 100%; } }

/* ===== CONTAINER ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== NAVBAR ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all 0.3s ease;
}
#navbar.scrolled {
  background: var(--nav-scrolled);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
}
.nav-container {
  max-width: 1280px; margin: 0 auto;
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-weight: 700; font-size: 1.25rem;
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.logo-icon { font-size: 1.4rem; color: var(--accent); line-height: 1; }
.logo-sub { color: var(--text-secondary); font-weight: 400; }
.nav-links {
  display: flex; align-items: center; gap: 0.25rem;
  flex: 1; justify-content: center;
}
.nav-link {
  padding: 0.5rem 0.875rem;
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute; bottom: -2px; left: 50%; right: 50%;
  height: 2px; background: var(--accent);
  transition: all 0.2s; border-radius: 2px;
}
.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { left: 0.875rem; right: 0.875rem; }
.nav-link.active { color: var(--text-primary); }
.nav-actions {
  display: flex; align-items: center; gap: 0.75rem;
}
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all 0.2s;
  color: var(--text-secondary);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.btn-nav {
  padding: 0.5rem 1.25rem;
  background: var(--gradient);
  color: white; font-size: 0.875rem; font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  box-shadow: 0 0 20px rgba(59,130,246,0.3);
}
.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 30px rgba(59,130,246,0.5);
}
.hamburger {
  display: none; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px; width: 44px; height: 44px;   /* dokunma hedefi en az 44x44 */
  border-radius: 50%; border: 1px solid var(--border);
  background: var(--bg-card);
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: all 0.3s;
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed; inset: 0;
  background: var(--bg-secondary);
  /* #navbar 1000'de duruyor. Menü bunun ALTINDA kalırsa hamburger, tam üstüne
     denk gelen .mobile-close düğmesini yutuyor ve ✕ tıklanamaz oluyordu. */
  z-index: 1001;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1.5rem;
  opacity: 0; visibility: hidden;
  /* Kapanırken önce söner, sonra gizlenir; açılırken görünürlük ANINDA gelir.
     Eskiden görünürlük de 0.3s geçişteydi: open() içindeki focus() gizli düğmeye
     düşüyor, odak hamburgerde kalıyordu. */
  transition: opacity 0.3s ease, visibility 0s linear 0.3s;
  padding: 2rem;
}
.mobile-menu.open { opacity: 1; visibility: visible; transition: opacity 0.3s ease, visibility 0s; }
.mobile-close {
  position: absolute; top: 1.25rem; right: 1.25rem;
  font-size: 1.25rem; color: var(--text-secondary);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; border: 1px solid var(--border);
}
.mobile-links { text-align: center; }
.mobile-links li { margin: 0.75rem 0; }
.mobile-links a {
  display: inline-block; padding: 0.25rem 0.75rem;
  font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.mobile-links a:hover { color: var(--text-primary); }
.mobile-cta { margin-top: 1rem; width: 100%; max-width: 280px; text-align: center; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: var(--gradient);
  color: white; font-weight: 600; font-size: 0.95rem;
  border-radius: var(--radius-md);
  /* "all" OLMAMALI: kalıtılan visibility de geçişe girer. Kapanan .mobile-menu gizlendikten
     sonra .mobile-cta 0.25s daha visible kalıp odak ve dokunuş alıyordu. */
  transition: transform 0.25s, box-shadow 0.25s, color 0.25s;
  box-shadow: 0 4px 24px rgba(59,130,246,0.35);
  border: none; cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37,99,235,0.45);
  color: white;
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: transparent;
  color: var(--text-primary); font-weight: 600; font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: all 0.25s;
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(59,130,246,0.08);
  transform: translateY(-1px);
}
.btn-large { padding: 1.1rem 2.5rem; font-size: 1.05rem; }

/* ===== GRADIENT TEXT ===== */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== SECTION COMMON ===== */
/* Bölüm etiketi: hap yerine önünde degrade çizgi olan bir üst başlık.
   Hap biçimi yalnızca durum bildiren .hero-badge'de kaldı. */
.section-badge {
  display: inline-flex;
  align-items: center; gap: 0.7rem;
  color: var(--accent-light);
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 1.1rem;
}
.section-badge::before {
  content: ''; flex: none;
  width: 1.75rem; height: 2px; border-radius: 2px;
  background: var(--gradient);
}
/* Bölüm başlığı: geniş ekranda başlık solda, açıklama sağda, ortak taban çizgisinde. */
.section-header {
  display: grid; grid-template-columns: minmax(0, 1fr);
  text-align: left; margin-bottom: 3.5rem;
}
.section-header > .section-badge { justify-self: start; }
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.12;
  letter-spacing: -0.025em; margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 1.1rem; color: var(--text-secondary);
  max-width: 600px; margin: 0;
}
@media (min-width: 1025px) {
  .section-header {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: 4rem; align-items: end;
  }
  .section-header > .section-title { grid-column: 1; margin-bottom: 0; }
  .section-header > .section-subtitle { grid-column: 2; grid-row: 2; padding-bottom: 0.35rem; }
}

/* ===== HERO ===== */
.hero {
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 10rem 0 6.5rem;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
/* Radyal degrade zaten kenarda saydama iniyor; üstüne filter:blur(80px) her karede
   500px'lik katmanı yeniden boyatıyordu. Görünüm aynı, boyama maliyeti yok. */
.orb {
  position: absolute; border-radius: 50%;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,0.18) 0%, transparent 70%);
  top: -100px; right: -100px;
  animation-delay: 0s;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
  bottom: -50px; left: -50px;
  animation-delay: -3s;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(16,185,129,0.08) 0%, transparent 70%);
  top: 50%; left: 40%;
  animation-delay: -6s;
}
/* --px/--py parallax ofsetini JS ayarlar. Animasyon inline transform'u ezdiği için
   parallax değerleri doğrudan keyframe'lerin içinde hesaplanır. */
@keyframes orbFloat {
  0%, 100% { transform: translate(var(--px, 0px), var(--py, 0px)) scale(1); }
  33%  { transform: translate(calc(var(--px, 0px) + 30px), calc(var(--py, 0px) - 20px)) scale(1.05); }
  66%  { transform: translate(calc(var(--px, 0px) - 20px), calc(var(--py, 0px) + 15px)) scale(0.98); }
}
.grid-overlay {
  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: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 40%, transparent 80%);
}
.hero-container {
  position: relative; z-index: 1;
  max-width: 1280px; margin: 0 auto;
  padding: 0 2rem;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 100px;
  font-size: 0.8rem; font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #10b981; animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}
.hero-title {
  font-size: clamp(2.5rem, 5.2vw, 4.25rem);
  font-weight: 900; line-height: 1.04;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
}
.hero-subtitle {
  font-size: 1.15rem; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 2.5rem;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.hero-trust {
  display: flex; gap: 1.5rem; flex-wrap: wrap;
  font-size: 0.82rem; color: var(--text-secondary);
}
.hero-trust span {
  display: flex; align-items: center; gap: 0.35rem;
}

/* DASHBOARD MOCKUP */
.hero-visual { position: relative; }
.dashboard-mockup {
  background: var(--surface-sunk);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(59,130,246,0.15);
  animation: floatUpDown 4s ease-in-out infinite;
}
@keyframes floatUpDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.mockup-header {
  padding: 1rem 1.5rem;
  background: var(--surface-sunk);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 1rem;
}
.mockup-dots { display: flex; gap: 6px; }
.mockup-dots span {
  width: 10px; height: 10px; border-radius: 50%;
}
.mockup-dots span:nth-child(1) { background: #ff5f57; }
.mockup-dots span:nth-child(2) { background: #ffbd2e; }
.mockup-dots span:nth-child(3) { background: #28c840; }
.mockup-title { font-size: 0.8rem; color: var(--text-secondary); font-weight: 500; }
.mockup-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 1.25rem; }
.mockup-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
.stat-card {
  background: var(--surface-sunk);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.875rem;
  display: flex; flex-direction: column; gap: 0.25rem;
}
.stat-icon { font-size: 1.1rem; }
.stat-val { font-size: 1rem; font-weight: 700; }
.stat-lbl { font-size: 0.65rem; color: var(--text-secondary); }
.stat-trend { font-size: 0.65rem; font-weight: 600; color: var(--success); }
.stat-trend.up::before { content: '↑ '; }

.mockup-chart { background: var(--surface-sunk); border-radius: var(--radius-md); padding: 1rem; }
.chart-label { font-size: 0.75rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--text-secondary); }
.chart-bars {
  display: flex; align-items: flex-end; gap: 6px; height: 80px;
}
.bar {
  flex: 1;
  height: var(--h);
  background: rgba(59,130,246,0.25);
  border-radius: 4px 4px 0 0;
  position: relative;
  transition: height 1.5s ease;
  cursor: default;
}
.bar.active { background: var(--accent); }
.bar span {
  position: absolute; bottom: -18px; left: 50%;
  transform: translateX(-50%);
  font-size: 0.55rem; color: var(--text-muted);
  white-space: nowrap;
}
.mockup-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.mini-card {
  background: var(--surface-sunk); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 0.75rem;
}
.mini-label { font-size: 0.65rem; color: var(--text-secondary); margin-bottom: 0.25rem; }
.mini-val { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.mini-bar {
  height: 3px; background: var(--border); border-radius: 2px; overflow: hidden;
}
.mini-bar div { height: 100%; background: var(--gradient); border-radius: 2px; transition: width 1.5s ease; }

.floating-card {
  position: absolute;
  background: var(--surface-float);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-float);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  font-size: 0.8rem; font-weight: 500;
  display: flex; align-items: center; gap: 0.5rem;
  box-shadow: var(--shadow-md);
  animation: floatCard 3s ease-in-out infinite;
  white-space: nowrap;
}
.fc-1 { bottom: -20px; left: -20px; animation-delay: 0s; }
.fc-2 { top: 30px; right: -30px; animation-delay: -1.5s; }
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* SCROLL INDICATOR — hero artık içeriği kadar yüksek, altında içerik hemen başlıyor;
   "aşağı kaydır" işareti anlamını yitirdi. İşaretleme index.html'de kalıyor. */
.scroll-indicator { display: none; }

/* ===== STATS SECTION ===== */
.stats-section {
  padding: 5rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat-item {
  text-align: center;
  padding: 2rem;
  position: relative;
}
.stat-item::after {
  content: '';
  position: absolute; right: 0; top: 20%; bottom: 20%;
  width: 1px; background: var(--border);
}
.stat-item:last-child::after { display: none; }
.stat-number {
  font-size: 3.5rem; font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1; display: inline-block;
}
/* Sayı yerine kısa metin gösterildiğinde taşmayı önler. */
.stat-number.is-text { font-size: clamp(1.4rem, 3vw, 2rem); }
.stat-desc {
  font-size: 0.9rem; color: var(--text-secondary);
  margin-top: 0.75rem; font-weight: 500;
}

/* ===== SERVICES SECTION ===== */
.services-section { padding: 7rem 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative; overflow: hidden;
  cursor: default;
}
.service-card::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--gradient);
  opacity: 0; transition: opacity 0.3s;
  z-index: 0;
}
.service-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  background: var(--bg-card-hover);
}
.service-card:hover::after { transform: scaleX(1); }
.service-card > * { position: relative; z-index: 1; }
.service-icon {
  font-size: 2rem; margin-bottom: 1rem;
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  background: rgba(59,130,246,0.1);
  border-radius: var(--radius-md);
  transition: all 0.3s;
}
.service-card:hover .service-icon {
  background: rgba(59,130,246,0.2);
  transform: scale(1.05);
}
.service-card h3 {
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: 0.75rem; letter-spacing: -0.01em;
}
.service-card p {
  font-size: 0.9rem; color: var(--text-secondary);
  line-height: 1.6; margin-bottom: 1.25rem;
}
.service-link {
  font-size: 0.85rem; font-weight: 600;
  color: var(--accent-light);
  transition: gap 0.2s;
}
.service-link:hover { text-decoration: underline; }

/* ===== WHY SECTION ===== */
.why-section {
  padding: 7rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.why-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.why-list { margin: 2rem 0; display: flex; flex-direction: column; gap: 1.5rem; }
.why-list li {
  display: flex; gap: 1rem; align-items: flex-start;
}
.why-icon {
  font-size: 1.25rem;
  width: 44px; height: 44px;
  background: rgba(59,130,246,0.1);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.why-list strong { font-size: 1rem; font-weight: 700; display: block; margin-bottom: 0.25rem; }
.why-list p { font-size: 0.9rem; color: var(--text-secondary); }

.tech-stack {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.tech-badge {
  padding: 0.4rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem; font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.tech-badge:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(59,130,246,0.08);
}
.cert-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex; gap: 0.75rem; align-items: center;
}
.cert-icon { font-size: 1.5rem; }
.cert-card strong { font-size: 0.9rem; font-weight: 700; display: block; }
.cert-card p { font-size: 0.78rem; color: var(--text-secondary); margin: 0; }

/* ===== REFERENCES ===== */
.references-section { padding: 7rem 0; }
/* ===== CTA SECTION ===== */
.cta-section { padding: 7rem 0; }
.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 5rem 3rem;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-orb-1, .cta-orb-2 {
  position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none;
}
.cta-orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  top: -100px; right: -100px;
}
.cta-orb-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
  bottom: -50px; left: -50px;
}
.cta-box h2 {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 900;
  line-height: 1.15; margin: 1rem 0; letter-spacing: -0.02em;
  position: relative; z-index: 1;
}
.cta-box p {
  color: var(--text-secondary); margin-bottom: 2rem; font-size: 1.05rem;
  position: relative; z-index: 1;
}
.cta-box .section-badge, .cta-box .btn-primary { position: relative; z-index: 1; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem; margin-bottom: 3rem;
}
.footer-brand .nav-logo { margin-bottom: 1rem; }
.footer-brand p {
  font-size: 0.88rem; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 1.5rem;
}
.social-links { display: flex; gap: 0.75rem; }
.social-link {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--bg-card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; color: var(--text-secondary);
  transition: all 0.2s;
}
.social-link:hover { border-color: var(--accent); color: var(--accent); }
/* Sosyal ikonlar inline SVG: renk currentColor'dan gelir, hover rengi de kendiliğinden uyar.
   İşaret metin DEĞİL — görünen etiket ile erişilebilir ad çakışmasını (axe
   label-content-name-mismatch) önler ve 𝕏 gibi fontta olmayabilen karakterlere bağlı kalmaz. */
.social-link svg { width: 16px; height: 16px; display: block; }
.contact-social-links .social-link svg { width: 19px; height: 19px; }
.footer-col h3 {
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 1.25rem; color: var(--text-muted);
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col li, .footer-col a {
  font-size: 0.88rem; color: var(--text-secondary);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent-light); }
.footer-bottom {
  padding-top: 2rem; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem; color: var(--text-muted);
  flex-wrap: wrap; gap: 0.5rem;
}

/* ===== PAGE-SPECIFIC ===== */
.page-hero {
  padding: 10rem 0 5rem;
  text-align: left;
  position: relative; overflow: hidden;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900; letter-spacing: -0.035em; line-height: 1.06;
  margin: 0.25rem 0 1.25rem; max-width: 20ch;
}
.page-hero p { font-size: 1.15rem; color: var(--text-secondary); max-width: 60ch; margin: 0; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-section { padding: 7rem 0; }
.timeline { padding: 7rem 0; background: var(--bg-secondary); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.timeline-list { max-width: 800px; }
.timeline-item {
  display: flex; gap: 2rem; padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-year {
  font-size: 1.5rem; font-weight: 900;
  color: var(--accent); min-width: 80px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.timeline-content h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.timeline-content p { font-size: 0.9rem; color: var(--text-secondary); }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.value-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem;
  text-align: center; transition: all 0.3s;
}
.value-card:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.value-icon { font-size: 2rem; margin-bottom: 1rem; }
.value-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.value-card p { font-size: 0.88rem; color: var(--text-secondary); }

/* Solutions */
.solutions-section { padding: 7rem 0; }

/* Contact */
.contact-section { padding: 7rem 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 5rem; }
.contact-info h2 { font-size: 2.5rem; font-weight: 900; line-height: 1.12; margin-bottom: 1.5rem; letter-spacing: -0.025em; }
.contact-info p { color: var(--text-secondary); margin-bottom: 2rem; }
.contact-items { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 2rem; }
.contact-item { display: flex; gap: 1rem; align-items: center; }
.contact-item-icon {
  width: 44px; height: 44px; background: rgba(59,130,246,0.1);
  border-radius: var(--radius-md); display: flex; align-items: center;
  justify-content: center; font-size: 1.1rem; flex-shrink: 0;
}
.contact-item-text strong { font-size: 0.85rem; font-weight: 700; display: block; }
.contact-item-text span { font-size: 0.88rem; color: var(--text-secondary); }
.contact-form {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 2.5rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group label { font-size: 0.82rem; font-weight: 600; display: block; margin-bottom: 0.5rem; color: var(--text-secondary); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 0.875rem 1.125rem;
  background: var(--field-bg); border: 1px solid var(--field-border);
  border-radius: var(--radius-md); color: var(--text-primary);
  font-size: 0.9rem; font-family: var(--font);
  transition: border-color 0.2s; outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--accent); }
/* Kenarlık rengi tek başına yüksek kontrast modunda kaybolur; klavyede halka da çizilir. */
.form-group input:focus-visible,
.form-group textarea:focus-visible,
.form-group select:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 1px;
}
.form-group input:user-invalid, .form-group textarea:user-invalid, .form-group select:user-invalid { border-color: var(--danger); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group select option { background: var(--bg-secondary); }

/* Onay kutusu */
.form-consent { display: flex; gap: 0.75rem; align-items: flex-start; margin-bottom: 1.5rem; }
.form-consent input[type="checkbox"] {
  width: 18px; height: 18px; flex-shrink: 0; margin-top: 0.15rem;
  accent-color: var(--accent); cursor: pointer;
}
.form-consent label { font-size: 0.8rem; line-height: 1.6; color: var(--text-secondary); cursor: pointer; }
.form-consent a { color: var(--accent-light); text-decoration: underline; }

/* Bot tuzağı — ekran okuyucular ve kullanıcılar için gizli, botlar doldurur */
.hp-field {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap;
}

/* Form geri bildirimi */
.form-message {
  margin-top: 1rem; padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem; font-weight: 600; text-align: center;
}
.form-message:empty { display: none; }
.form-message.success { background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.3); color: var(--success-text); }
.form-message.error   { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.3); color: var(--danger); }
button[disabled] { opacity: 0.6; cursor: not-allowed; }
.map-container { margin-top: 5rem; border-radius: var(--radius-xl); overflow: hidden; }
.map-container iframe { width: 100%; height: 350px; border: none; display: block; filter: grayscale(0.3) invert(0.05); }

/* Harita vekili — gömülü harita yalnız kullanıcı isteyince yüklenir (çerez + performans).
   Yükseklik iframe ile aynı tutulur, böylece harita gelince düzen kaymaz. */
.map-facade {
  height: 350px; display: flex; align-items: center; justify-content: center;
  padding: 2rem; text-align: center;
  background: var(--surface-sunk); border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}
.map-facade-inner { max-width: 46ch; display: flex; flex-direction: column; align-items: center; gap: 0.75rem; }
.map-facade-pin { font-size: 1.75rem; line-height: 1; }
.map-facade-title { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }
.map-facade-note { font-size: 0.82rem; line-height: 1.6; color: var(--text-secondary); }
.map-facade .btn-secondary { margin-top: 0.25rem; }

.contact-social { margin-top: 2rem; }
.contact-social h3 { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 1rem; }
.contact-social-links { display: flex; gap: 0.75rem; }
.contact-social-links .social-link { width: 44px; height: 44px; font-size: 0.9rem; }

.contact-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2.5rem; }
.contact-highlights .cert-card { flex-direction: column; align-items: flex-start; }
.contact-highlights .cert-icon { font-size: 1.25rem; margin-bottom: 0.5rem; }

.form-title { font-size: 1.25rem; font-weight: 800; margin-bottom: 0.5rem; }
.form-intro { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 1.75rem; }
.form-submit { width: 100%; justify-content: center; padding: 1rem; }
.form-note { text-align: center; font-size: 0.75rem; color: var(--text-muted); margin-top: 1rem; }

.faq-section { padding: 7rem 0; background: var(--bg-secondary); border-top: 1px solid var(--border); }

/* ===== ABOUT PAGE ===== */
.section-alt {
  padding: 7rem 0; background: var(--bg-secondary);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.about-text p { color: var(--text-secondary); margin: 1.25rem 0; line-height: 1.8; }
.about-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.about-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.fact-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 2rem; text-align: center;
}
.fact-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.fact-value {
  display: block; font-size: 1.35rem; font-weight: 900;
  background: var(--gradient-text); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.fact-card p { margin: 0.35rem 0 0; font-size: 0.85rem; color: var(--text-secondary); }

.vm-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 3rem;
}
.vm-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.vm-card h2 { font-size: 1.75rem; font-weight: 800; margin-bottom: 1rem; }
.vm-card p { color: var(--text-secondary); line-height: 1.8; }

/* References Page */
.ref-section { padding: 7rem 0; }
.ref-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.ref-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem; text-align: center;
  transition: all 0.3s;
}
.ref-card:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.ref-logo {
  width: 64px; height: 64px; border-radius: var(--radius-md);
  background: var(--gradient); margin: 0 auto 1rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; font-weight: 900; color: white;
}
.ref-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.25rem; }
.ref-card p { font-size: 0.8rem; color: var(--text-secondary); }
.ref-proj { margin-top: 0.5rem; font-size: 0.75rem; color: var(--accent-light); font-weight: 600; }

/* ===== SERVICES PAGE ===== */
.service-detail { padding: 7rem 0; border-bottom: 1px solid var(--border); }
.service-detail:nth-child(even) { background: var(--bg-secondary); }
.service-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.service-detail:nth-child(even) .service-detail-grid { direction: rtl; }
.service-detail:nth-child(even) .service-detail-grid > * { direction: ltr; }
.service-features { list-style: none; margin: 1.5rem 0; display: flex; flex-direction: column; gap: 0.75rem; }
.service-features li { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.92rem; color: var(--text-secondary); }
.service-features li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; margin-top: 0.1rem; }
.service-mockup {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 2.5rem; text-align: center;
}
.service-icon-large { font-size: 4rem; display: block; margin-bottom: 1.5rem; }
.service-detail .service-icon { margin-bottom: 1.25rem; }
.service-detail .section-title { font-size: 2rem; }
.service-detail-text > p { color: var(--text-secondary); margin: 1rem 0 1.5rem; line-height: 1.8; }
.service-mockup h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.75rem; }
.service-mockup > p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1.5rem; }
.service-mockup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.service-mockup-grid .mini-card { text-align: left; }
.service-mockup-grid .mini-val { font-size: 0.9rem; }
.service-mockup-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.process-section { padding: 5rem 0; background: var(--bg-secondary); border-bottom: 1px solid var(--border); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 4rem; }
.process-step { text-align: left; }
.step-num {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 900; color: var(--accent);
  margin: 0 0 1rem;
}
.process-step h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.5rem; }
.process-step p { font-size: 0.82rem; color: var(--text-secondary); }

/* ===== SOLUTIONS PAGE ===== */
.sol-tabs { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 3rem; }
.sol-tab {
  padding: 0.6rem 1.5rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 100px; font-size: 0.85rem; font-weight: 600;
  color: var(--text-secondary); cursor: pointer; transition: all 0.2s;
}
.sol-tab:hover, .sol-tab.active {
  border-color: var(--accent); color: var(--accent);
  background: rgba(59,130,246,0.1);
}
.sol-panel { display: none; }
.sol-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.sol-panel .section-title { font-size: 2rem; }
.sol-panel-text > p { color: var(--text-secondary); line-height: 1.8; margin: 1rem 0 1.5rem; }
.sol-features { list-style: none; margin: 1.5rem 0; display: flex; flex-direction: column; gap: 0.75rem; }
.sol-features li { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.92rem; color: var(--text-secondary); }
.sol-features li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }
.sol-mockup {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 2rem; overflow: hidden;
}
.sol-mockup-header {
  display: flex; align-items: center; gap: 0.75rem;
  padding-bottom: 1rem; border-bottom: 1px solid var(--border); margin-bottom: 1.25rem;
}
.sol-kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin-bottom: 1rem; }
.sol-kpi {
  background: var(--surface-sunk); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 0.875rem; text-align: center;
}
.sol-kpi .kv { font-size: 1.25rem; font-weight: 800; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.sol-kpi .kl { font-size: 0.65rem; color: var(--text-secondary); margin-top: 0.2rem; }
.sol-list { display: flex; flex-direction: column; gap: 0.5rem; }
.sol-list-item {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface-sunk); border-radius: var(--radius-sm);
  padding: 0.6rem 0.875rem; font-size: 0.78rem;
}
.sol-list-item span:last-child { color: var(--success); font-weight: 600; }
.smh-icon { font-size: 1.1rem; }
.smh-title { font-weight: 700; font-size: 0.9rem; }
.smh-status { margin-left: auto; font-size: 0.72rem; color: var(--success); }
.sol-chart { padding-top: 0.5rem; }
.sol-chart .chart-label { font-size: 0.72rem; color: var(--text-secondary); margin-bottom: 0.75rem; }
.sol-chart .chart-bars { height: 60px; gap: 4px; }
.sol-mockup-note { margin-top: 1rem; font-size: 0.7rem; color: var(--text-muted); text-align: center; }
.overview-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 3rem; }
.overview-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem; text-align: center;
  transition: all 0.3s;
}
.overview-card:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.overview-card .oc-icon { font-size: 2rem; margin-bottom: 1rem; }
.overview-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; }
.overview-card p { font-size: 0.8rem; color: var(--text-secondary); }

/* ===== FAQ (details/summary) ===== */
.faq-list { max-width: 800px; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem;
}
.faq-item summary {
  font-weight: 700; font-size: 1rem; cursor: pointer;
  list-style: none; display: flex; justify-content: space-between;
  align-items: center; gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 1.4rem; font-weight: 400;
  color: var(--accent); line-height: 1; flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-item[open] summary::after { content: '−'; transform: rotate(180deg); }
.faq-item p { margin: 1rem 0 0; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* ===== LEGAL / TEXT PAGES ===== */
.legal-content { max-width: 800px; margin: 0 auto; padding: 4rem 0 7rem; }
.legal-content h2 {
  font-size: 1.4rem; font-weight: 800;
  margin: 2.5rem 0 1rem; letter-spacing: -0.01em;
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 { font-size: 1.05rem; font-weight: 700; margin: 1.75rem 0 0.75rem; }
.legal-content p, .legal-content li { color: var(--text-secondary); line-height: 1.8; font-size: 0.95rem; }
.legal-content p { margin-bottom: 1rem; }
.legal-content ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-content li { margin-bottom: 0.5rem; }
.legal-content a { color: var(--accent-light); text-decoration: underline; }
.legal-updated {
  font-size: 0.82rem; color: var(--text-muted);
  padding-bottom: 2rem; border-bottom: 1px solid var(--border); margin-bottom: 2.5rem;
}
.legal-note {
  background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.25);
  border-radius: var(--radius-md); padding: 1.25rem 1.5rem; margin: 2rem 0;
}
.legal-note p { margin: 0; font-size: 0.88rem; }

/* ===== FOOTER LEGAL ROW ===== */
.footer-legal { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-legal a { color: var(--text-muted); font-size: 0.8rem; transition: color 0.2s; }
.footer-legal a:hover { color: var(--accent-light); }

/* ===== 404 ===== */
.error-page {
  min-height: 100vh; display: flex; align-items: center;
  justify-content: center; text-align: center; padding: 8rem 2rem 4rem;
  position: relative; overflow: hidden;
}
.error-code {
  font-size: clamp(5rem, 18vw, 10rem); font-weight: 900; line-height: 1;
  background: var(--gradient-text); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.error-page h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800;
  letter-spacing: -0.025em; margin: 0.5rem 0 1rem;
}
.error-page .container > p:not(.error-code) {
  color: var(--text-secondary); max-width: 52ch; margin: 0 auto 2rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .service-detail-grid { grid-template-columns: 1fr; gap: 3rem; }
  .service-detail:nth-child(even) .service-detail-grid { direction: ltr; }
  .sol-panel.active { grid-template-columns: 1fr; gap: 3rem; }
  .overview-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .hero-container { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { display: none; }
  .why-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .ref-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .hamburger { display: flex; }
  /* Hamburger 44 px oldu; yanındaki tema düğmesi 40'ta kalınca iki daire farklı boy görünüyordu. */
  .theme-toggle { width: 44px; height: 44px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item::after { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; justify-content: center; }
}
@media (max-width: 768px) {
  .hero { padding: 7.5rem 0 4rem; }
  .page-hero { padding: 7.5rem 0 3.5rem; }
  .nav-container { padding: 0 1.25rem; gap: 1rem; }
  .hero-container { padding: 0 1.25rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .stat-item { padding: 1.25rem 0.5rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: 1fr; }
  .overview-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .contact-form { padding: 1.5rem; }
  .contact-highlights { grid-template-columns: 1fr; }
  .about-facts { grid-template-columns: 1fr; }
  .vm-card { padding: 2rem; }
}