/* globals.css — SAF SU (safsu.org) Yeni Nesil Kurumsal Tasarım Sistemi
   Ultra-modern Glassmorphism, 3D Vurgular, Geniş Yuvarlatılmış Köşeler (Super-rounded),
   Büyük Tipografi ve Akıcı Animasyonlar
*/
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600;700&family=Plus+Jakarta+Sans:wght@600;700;800;900&display=swap');

/* Global Scrollbar Gizleme */
* {
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
}

*::-webkit-scrollbar,
html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
  background: transparent !important;
}

:root {
  /* Renk Paleti (Canlı, Yüksek Kontrastlı ve Cam Efekti Uyumlu) */
  --color-primary-950: #0F1B24; /* Mürekkep */
  --color-primary-900: #0A2A43; /* Derin Su */
  --color-primary-800: #12456F;
  --color-primary-700: #1668B3;
  --color-primary-600: #1C7ED6; /* Saf Mavi */
  --color-primary-500: #3D93E0;
  --color-primary-400: #5AA9E6;
  --color-primary-200: #C5DEF5;
  --color-primary-100: #E7F1FB; /* Steril Buz Mavisi */
  --color-primary-50:  #F4F8FA; /* Ultra Saf Yüzey */

  --color-secondary-700: #1B8A7F;
  --color-secondary-500: #2EC4B6; /* Mikron Turkuaz */
  --color-secondary-400: #5AD3C7;
  --color-secondary-300: #8EE0D7;
  --color-secondary-100: #E3F7F5;

  --color-neutral-900: #0F1B24; /* Mürekkep */
  --color-neutral-700: #3A4A57;
  --color-neutral-600: #6B7C88; /* Sis Gri */
  --color-neutral-400: #9AA9B4;
  --color-neutral-200: #DCE5EB;
  --color-neutral-100: #F4F8FA; /* Buz */
  --color-neutral-0:   #FFFFFF;

  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error:   #EF4444;
  --color-info:    #0284C7;

  /* Merkezi Gradyanlar (Design Tokens) */
  --gradient-primary: linear-gradient(135deg, #1C7ED6 0%, #2EC4B6 100%);
  --gradient-secondary: linear-gradient(135deg, #1C7ED6 0%, #2EC4B6 100%);
  --gradient-dark: linear-gradient(135deg, #0A2A43 0%, #1C7ED6 100%);

  /* Cam & Blur Yüzeyleri (Glassmorphism) */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-bg-dark: rgba(10, 42, 67, 0.65);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-border-dark: rgba(230, 241, 250, 0.18);
  --glass-blur: blur(20px) saturate(190%);
  --glass-blur-lg: blur(32px) saturate(200%);

  /* Yeni Nesil Yuvarlatılmış Köşeler (Super-rounded) */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-2xl: 36px;
  --radius-full: 9999px;

  /* Tipografi */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* 8pt Grid */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --container-max: 1240px;

  /* Yeni Nesil Derinlik & 3D Işık Gölgeleri */
  --shadow-sm: 0 2px 8px -2px rgba(28, 126, 214, 0.08);
  --shadow-card: 0 10px 30px -4px rgba(28, 126, 214, 0.07), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 20px 40px -8px rgba(28, 126, 214, 0.18), 0 8px 16px -4px rgba(46, 196, 182, 0.12);
  --shadow-glass: 0 16px 40px -8px rgba(10, 42, 67, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  --shadow-3d: 0 25px 50px -12px rgba(10, 42, 67, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.3);

  /* Akıcı Geçiş Eğrileri */
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 180ms;
  --duration-base: 280ms;
}

/* Temel Sıfırlama ve Font Ayarları */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-neutral-900);
  background-color: var(--color-neutral-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max, 1240px);
  margin-inline: auto;
  padding-inline: 32px;
  box-sizing: border-box;
}

@media (max-width: 640px) {
  .container {
    padding-inline: 18px;
  }
}

/* Büyük, Çarpıcı ve Yeni Nesil Başlıklar */
h1.display,
.type-display {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2.75rem, 5vw + 1rem, 4.25rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--color-primary-950);
}

h1,
.type-h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.25rem, 3.8vw + 1rem, 3.25rem);
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--color-neutral-900);
}

h2,
.type-h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.75rem, 2.5vw + 0.8rem, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-neutral-900);
}

h3,
.type-h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.35rem, 1.4vw + 0.9rem, 1.65rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-neutral-900);
}

h4,
.type-h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--color-neutral-900);
}

p.lead,
.type-lead {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(1.05rem, 0.5vw + 1rem, 1.25rem);
  line-height: 1.65;
  color: var(--color-neutral-600);
}

code,
.mono {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Glassmorphism Yüzey Sınıfları */
.glass-surface {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-glass);
}

.glass-surface-dark {
  background: var(--glass-bg-dark);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border: 1px solid var(--glass-border-dark);
  box-shadow: 0 20px 48px -12px rgba(10, 42, 67, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

/* 3D Yüzen ve Işık Efektleri */
.floating-3d {
  transform: perspective(1000px) translateZ(0);
  transition: transform var(--duration-base) var(--ease-spring), box-shadow var(--duration-base) var(--ease-out);
}

.floating-3d:hover {
  transform: perspective(1000px) translateY(-8px) scale(1.015);
  box-shadow: var(--shadow-hover);
}

/* Ambient Glow Küreleri */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  z-index: 0;
  opacity: 0.5;
}

.glow-blue {
  background: radial-gradient(circle, rgba(28, 126, 214, 0.45) 0%, rgba(74, 143, 209, 0) 70%);
}

.glow-green {
  background: radial-gradient(circle, rgba(46, 196, 182, 0.35) 0%, rgba(168, 216, 97, 0) 70%);
}

/* Modern Butonlar (Yuvarlak Köşeli, Dokunsal) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary-400);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  color: var(--color-neutral-0);
  box-shadow: 0 8px 24px -4px rgba(28, 126, 214, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary-800) 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -4px rgba(28, 126, 214, 0.45);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary-500) 0%, var(--color-secondary-700) 100%);
  color: var(--color-neutral-0);
  box-shadow: 0 8px 24px -4px rgba(46, 196, 182, 0.35);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--color-secondary-700) 0%, #1668B3 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -4px rgba(46, 196, 182, 0.45);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.9);
  border: 1.5px solid var(--color-neutral-200);
  color: var(--color-neutral-900);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--color-primary-600);
  color: var(--color-primary-600);
  background: var(--color-primary-50);
  transform: translateY(-2px);
}

/* Layout & Stack Utilities */
.od-stack {
  display: flex;
  flex-direction: column;
  gap: var(--od-gap, 8px);
}

.od-media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: var(--od-ratio, auto);
}

.footer-logo-wrap img {
  display: block;
  width: 100%;
  max-width: 160px;
  height: auto;
}