/* ===================================================
   EditVerse Turkey — styles.css
   Design System: Turquoise + Burgundy + Warm Stone
   =================================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --turquoise: #00838F;
  --turquoise-light: #4FB3BF;
  --turquoise-dark: #005662;
  --turquoise-muted: rgba(0, 131, 143, 0.08);
  --turquoise-subtle: rgba(0, 131, 143, 0.04);
  
  --burgundy: #8E1538;
  --burgundy-light: #B84363;
  --burgundy-dark: #5C0D24;
  --burgundy-muted: rgba(142, 21, 56, 0.08);
  
  --stone: #F5F0EB;
  --stone-light: #FAF8F6;
  --stone-dark: #E8E0D8;
  --stone-mid: #EDE6DE;
  
  /* Neutral Scale */
  --white: #FFFFFF;
  --gray-50: #FAFAF9;
  --gray-100: #F5F5F4;
  --gray-200: #E7E5E4;
  --gray-300: #D6D3D1;
  --gray-400: #A8A29E;
  --gray-500: #78716C;
  --gray-600: #57534E;
  --gray-700: #44403C;
  --gray-800: #292524;
  --gray-900: #1C1917;
  --gray-950: #0C0A09;
  
  /* Semantic */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-500);
  --text-on-dark: #F5F0EB;
  --text-on-turquoise: #FFFFFF;
  --text-on-burgundy: #FFFFFF;
  
  --surface-primary: var(--white);
  --surface-secondary: var(--stone-light);
  --surface-tertiary: var(--stone);
  --surface-dark: var(--gray-900);
  --surface-darker: var(--gray-950);
  
  --border-light: rgba(0, 0, 0, 0.06);
  --border-medium: rgba(0, 0, 0, 0.1);
  --border-turquoise: rgba(0, 131, 143, 0.2);
  
  /* Typography Scale (fluid clamp) */
  --text-xs: clamp(0.7rem, 0.66rem + 0.2vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.76rem + 0.2vw, 0.875rem);
  --text-base: clamp(0.938rem, 0.9rem + 0.18vw, 1rem);
  --text-lg: clamp(1.063rem, 1rem + 0.3vw, 1.125rem);
  --text-xl: clamp(1.2rem, 1.1rem + 0.5vw, 1.375rem);
  --text-2xl: clamp(1.4rem, 1.2rem + 1vw, 1.75rem);
  --text-3xl: clamp(1.7rem, 1.4rem + 1.5vw, 2.25rem);
  --text-4xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-5xl: clamp(2.4rem, 1.6rem + 4vw, 4rem);
  
  /* Spacing (4px base) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;
  --sp-32: 128px;
  
  /* Layout */
  --max-width: 1200px;
  --max-width-wide: 1400px;
  --max-width-narrow: 800px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(28, 25, 23, 0.04), 0 1px 2px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 4px 12px rgba(28, 25, 23, 0.06), 0 2px 4px rgba(28, 25, 23, 0.04);
  --shadow-lg: 0 12px 40px rgba(28, 25, 23, 0.08), 0 4px 12px rgba(28, 25, 23, 0.04);
  --shadow-xl: 0 24px 60px rgba(28, 25, 23, 0.1), 0 8px 20px rgba(28, 25, 23, 0.05);
  
  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--surface-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--text-5xl); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p { max-width: 70ch; }
a { color: var(--turquoise); text-decoration: none; transition: color var(--duration-fast) var(--ease-out); }
a:hover { color: var(--turquoise-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* --- Skip to content --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-4);
  background: var(--turquoise);
  color: var(--white);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-size: var(--text-sm);
}
.skip-link:focus {
  top: var(--sp-4);
  color: var(--white);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}
.container--wide {
  max-width: var(--max-width-wide);
}
.container--narrow {
  max-width: var(--max-width-narrow);
}

/* --- Geometric Pattern Decoration (Turkish Tile-Inspired) --- */
.pattern-border {
  position: relative;
}
.pattern-border::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--turquoise) 0px,
    var(--turquoise) 20px,
    var(--burgundy) 20px,
    var(--burgundy) 24px,
    var(--turquoise-light) 24px,
    var(--turquoise-light) 44px,
    var(--burgundy) 44px,
    var(--burgundy) 48px
  );
}

.pattern-divider {
  width: 100%;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--turquoise) 0px,
    var(--turquoise) 8px,
    transparent 8px,
    transparent 12px,
    var(--burgundy) 12px,
    var(--burgundy) 16px,
    transparent 16px,
    transparent 20px
  );
  opacity: 0.4;
}

/* Geometric tile SVG background */
.geometric-bg {
  position: relative;
}
.geometric-bg::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L60 30L30 60L0 30Z' fill='none' stroke='%2300838F' stroke-width='1'/%3E%3Cpath d='M30 10L50 30L30 50L10 30Z' fill='none' stroke='%2300838F' stroke-width='0.5'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* Star tile pattern */
.tile-pattern {
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M40 0L48 32L80 40L48 48L40 80L32 48L0 40L32 32Z' fill='none' stroke='%2300838F' stroke-width='0.5' opacity='0.15'/%3E%3C/svg%3E");
}

/* --- HEADER / NAVIGATION --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: background var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-brand {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--turquoise-dark);
  letter-spacing: -0.02em;
}
.logo-subtitle {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* Desktop Nav */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.nav-desktop a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}
.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--turquoise);
  background: var(--turquoise-muted);
}

/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-left: var(--sp-4);
  padding-left: var(--sp-4);
  border-left: 1px solid var(--border-light);
}
.lang-switch a {
  font-size: var(--text-xs);
  color: var(--text-muted);
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius-sm);
}
.lang-switch a.active {
  color: var(--turquoise);
  background: var(--turquoise-muted);
  font-weight: 600;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-2);
  color: var(--text-primary);
}
.nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile Nav Drawer */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 999;
  padding: var(--sp-6);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out);
}
.nav-mobile.open {
  transform: translateX(0);
}
.nav-mobile a {
  display: block;
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border-light);
}
.nav-mobile a:hover,
.nav-mobile a.active {
  color: var(--turquoise);
}
.nav-mobile .lang-switch-mobile {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
  padding-top: var(--sp-6);
  border-top: 2px solid var(--border-light);
}
.nav-mobile .lang-switch-mobile a {
  border-bottom: none;
  font-size: var(--text-base);
}

@media (max-width: 1100px) {
  .nav-desktop, .lang-switch { display: none; }
  .nav-toggle { display: block; }
  .nav-mobile { display: block; }
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: 72px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 86, 98, 0.92) 0%,
    rgba(0, 131, 143, 0.85) 40%,
    rgba(142, 21, 56, 0.7) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: var(--sp-20) 0;
}
.hero h1 {
  color: var(--white);
  margin-bottom: var(--sp-6);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}
.hero-lead {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-xl);
  line-height: 1.6;
  margin-bottom: var(--sp-8);
  max-width: 600px;
}
.hero-cta-group {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
/* Geometric accent on hero */
.hero-geometric {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  opacity: 0.08;
  z-index: 1;
  pointer-events: none;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-base);
  font-weight: 600;
  padding: var(--sp-3) var(--sp-8);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  text-decoration: none;
  white-space: nowrap;
  min-height: 48px;
}
.btn:active {
  transform: scale(0.97);
}
.btn-primary {
  background: var(--turquoise);
  color: var(--white);
  border-color: var(--turquoise);
}
.btn-primary:hover {
  background: var(--turquoise-dark);
  border-color: var(--turquoise-dark);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(0, 131, 143, 0.3);
}
.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  color: var(--turquoise);
  border-color: var(--turquoise);
}
.btn-outline:hover {
  background: var(--turquoise);
  color: var(--white);
}
.btn-burgundy {
  background: var(--burgundy);
  color: var(--white);
  border-color: var(--burgundy);
}
.btn-burgundy:hover {
  background: var(--burgundy-dark);
  border-color: var(--burgundy-dark);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(142, 21, 56, 0.3);
}
.btn-sm {
  font-size: var(--text-sm);
  padding: var(--sp-2) var(--sp-5);
  min-height: 40px;
}
.btn-lg {
  font-size: var(--text-lg);
  padding: var(--sp-4) var(--sp-10);
  min-height: 56px;
}

/* --- SECTIONS --- */
.section {
  padding: var(--sp-24) 0;
}
.section--sm {
  padding: var(--sp-16) 0;
}
.section--stone {
  background: var(--stone);
}
.section--stone-light {
  background: var(--stone-light);
}
.section--dark {
  background: var(--gray-900);
  color: var(--text-on-dark);
}
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--white);
}
.section--turquoise {
  background: var(--turquoise);
  color: var(--white);
}
.section--turquoise h2,
.section--turquoise h3 {
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--sp-16);
}
.section-header h2 {
  margin-bottom: var(--sp-4);
}
.section-header p {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  margin: 0 auto;
}
.section--dark .section-header p,
.section--turquoise .section-header p {
  color: rgba(255, 255, 255, 0.8);
}

/* Accent line above section headers */
.section-header .accent-line {
  display: block;
  width: 48px;
  height: 3px;
  background: var(--turquoise);
  margin: 0 auto var(--sp-5);
  border-radius: 2px;
}
.section--dark .section-header .accent-line,
.section--turquoise .section-header .accent-line {
  background: var(--white);
  opacity: 0.6;
}
.section--stone .section-header .accent-line {
  background: var(--burgundy);
}

/* --- STATS BAR --- */
.stats-bar {
  background: var(--white);
  border-top: 3px solid var(--turquoise);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 10;
  margin-top: -48px;
  border-radius: var(--radius-lg);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  padding: var(--sp-8) var(--sp-6);
  text-align: center;
  border-right: 1px solid var(--border-light);
}
.stat-item:last-child {
  border-right: none;
}
.stat-number {
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--turquoise);
  display: block;
  line-height: 1;
  margin-bottom: var(--sp-2);
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(2) {
    border-right: none;
  }
  .stat-item {
    padding: var(--sp-6) var(--sp-4);
  }
}

/* --- SERVICE CARDS --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--sp-8);
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--sp-10);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--turquoise), var(--turquoise-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}
.service-card:hover {
  border-color: var(--border-turquoise);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.service-card:hover::before {
  transform: scaleX(1);
}
.service-icon {
  width: 48px;
  height: 48px;
  background: var(--turquoise-muted);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-5);
  color: var(--turquoise);
}
.service-icon svg {
  width: 24px;
  height: 24px;
}
.service-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--sp-3);
}
.service-card p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--sp-5);
}
.service-card .card-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--turquoise);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}
.service-card .card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast) var(--ease-out);
}
.service-card:hover .card-link svg {
  transform: translateX(4px);
}

/* --- PRICING CARDS --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--sp-8);
  align-items: start;
}
.pricing-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--sp-10);
  border: 1px solid var(--border-light);
  text-align: center;
  position: relative;
  transition: all var(--duration-normal) var(--ease-out);
}
.pricing-card:hover {
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured {
  border: 2px solid var(--turquoise);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured::before {
  content: 'En Popüler';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  background: var(--turquoise);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--sp-1) var(--sp-4);
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pricing-tier {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--turquoise);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-3);
}
.pricing-name {
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--sp-5);
}
.pricing-price {
  margin-bottom: var(--sp-6);
}
.pricing-amount {
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--turquoise);
  line-height: 1;
}
.pricing-amount .currency {
  font-size: var(--text-xl);
  vertical-align: top;
  margin-right: 2px;
}
.pricing-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--sp-2);
}
.pricing-features {
  text-align: left;
  margin-bottom: var(--sp-8);
}
.pricing-features li {
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--border-light);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
}
.pricing-features li:last-child {
  border-bottom: none;
}
.pricing-features .check {
  color: var(--turquoise);
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- UNIVERSITY PACKAGES --- */
.university-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-6);
}
.uni-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--sp-6) var(--sp-8);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  transition: all var(--duration-fast) var(--ease-out);
}
.uni-card:hover {
  border-color: var(--border-turquoise);
  box-shadow: var(--shadow-md);
}
.uni-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--turquoise-muted), var(--burgundy-muted));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.uni-icon svg {
  width: 24px;
  height: 24px;
  color: var(--turquoise);
}
.uni-info h4 {
  font-size: var(--text-base);
  margin-bottom: var(--sp-1);
}
.uni-info p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.4;
}
.uni-info a {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--turquoise);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--sp-1);
}

/* --- VALUE PROPS --- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--sp-10);
}
.value-item {
  text-align: center;
}
.value-item .icon-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--sp-5);
  background: var(--turquoise-muted);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--turquoise);
}
.value-item .icon-wrap svg {
  width: 28px;
  height: 28px;
}
.value-item h4 {
  margin-bottom: var(--sp-3);
}
.value-item p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin: 0 auto;
}

/* --- CTA BANNER --- */
.cta-banner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.cta-banner-bg {
  position: absolute;
  inset: 0;
}
.cta-banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cta-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 86, 98, 0.9), rgba(142, 21, 56, 0.85));
}
.cta-banner-content {
  position: relative;
  z-index: 2;
  padding: var(--sp-16) var(--sp-8);
  max-width: 600px;
}
.cta-banner h2 {
  color: var(--white);
  margin-bottom: var(--sp-4);
}
.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-lg);
  margin: 0 auto var(--sp-8);
}

/* --- FAQ SECTION --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border-light);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--sp-6) 0;
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  min-height: 48px;
}
.faq-question:hover {
  color: var(--turquoise);
}
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--text-muted);
  transition: transform var(--duration-fast) var(--ease-out);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--turquoise);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-out);
}
.faq-answer-inner {
  padding: 0 0 var(--sp-6);
  color: var(--text-secondary);
  line-height: 1.7;
}
.faq-answer-inner a {
  font-weight: 500;
}

/* --- PROCESS STEPS --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-8);
  counter-reset: process;
}
.process-step {
  counter-increment: process;
  position: relative;
  padding-top: var(--sp-12);
}
.process-step::before {
  content: counter(process, decimal-leading-zero);
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--turquoise);
  opacity: 0.15;
  position: absolute;
  top: 0;
  left: 0;
  line-height: 1;
}
.process-step h4 {
  margin-bottom: var(--sp-3);
}
.process-step p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* --- BEFORE/AFTER --- */
.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
}
.ba-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  border: 1px solid var(--border-light);
}
.ba-panel.before {
  border-top: 3px solid var(--burgundy);
}
.ba-panel.after {
  border-top: 3px solid var(--turquoise);
}
.ba-label {
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-4);
}
.ba-panel.before .ba-label { color: var(--burgundy); }
.ba-panel.after .ba-label { color: var(--turquoise); }
.ba-panel p {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--text-secondary);
}
.ba-panel .strikethrough {
  text-decoration: line-through;
  color: var(--burgundy);
  opacity: 0.6;
}
.ba-panel .highlight {
  background: rgba(0, 131, 143, 0.1);
  padding: 1px 4px;
  border-radius: 3px;
  color: var(--turquoise-dark);
}

@media (max-width: 768px) {
  .before-after {
    grid-template-columns: 1fr;
  }
}

/* --- POINT SYSTEM TABLE --- */
.point-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--sp-8) 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.point-table thead {
  background: var(--turquoise);
  color: var(--white);
}
.point-table th {
  padding: var(--sp-4) var(--sp-6);
  text-align: left;
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
}
.point-table td {
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--border-light);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.point-table tbody tr:hover {
  background: var(--turquoise-subtle);
}
.point-table .point-highlight {
  font-weight: 700;
  color: var(--turquoise);
}

/* --- INFO BOX --- */
.info-box {
  background: var(--turquoise-muted);
  border-left: 4px solid var(--turquoise);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--sp-6) var(--sp-8);
  margin: var(--sp-8) 0;
}
.info-box h4 {
  color: var(--turquoise-dark);
  margin-bottom: var(--sp-2);
  font-size: var(--text-base);
}
.info-box p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}
.info-box a {
  font-weight: 600;
}

.info-box--burgundy {
  background: var(--burgundy-muted);
  border-left-color: var(--burgundy);
}
.info-box--burgundy h4 {
  color: var(--burgundy-dark);
}

/* --- BADGE/TAG --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--sp-1) var(--sp-3);
  border-radius: 100px;
  letter-spacing: 0.02em;
}
.badge--turquoise {
  background: var(--turquoise-muted);
  color: var(--turquoise-dark);
}
.badge--burgundy {
  background: var(--burgundy-muted);
  color: var(--burgundy-dark);
}

/* --- PAGE HEADER (inner pages) --- */
.page-header {
  background: var(--stone);
  padding: var(--sp-24) 0 var(--sp-16);
  margin-top: 72px;
  position: relative;
  overflow: hidden;
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--turquoise) 0px,
    var(--turquoise) 20px,
    var(--burgundy) 20px,
    var(--burgundy) 24px,
    var(--turquoise-light) 24px,
    var(--turquoise-light) 44px,
    var(--burgundy) 44px,
    var(--burgundy) 48px
  );
}
.page-header .badge {
  margin-bottom: var(--sp-4);
}
.page-header h1 {
  margin-bottom: var(--sp-4);
}
.page-header .lead {
  color: var(--text-secondary);
  font-size: var(--text-xl);
  max-width: 600px;
  line-height: 1.6;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--sp-6);
}
.breadcrumb a {
  color: var(--text-muted);
  font-weight: 500;
}
.breadcrumb a:hover {
  color: var(--turquoise);
}
.breadcrumb .sep {
  opacity: 0.4;
}

/* --- TWO COLUMN LAYOUT --- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}
.two-col--reverse {
  direction: rtl;
}
.two-col--reverse > * {
  direction: ltr;
}

@media (max-width: 768px) {
  .two-col, .two-col--reverse {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
    direction: ltr;
  }
}

/* --- FEATURE LIST --- */
.feature-list {
  display: grid;
  gap: var(--sp-5);
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
}
.feature-list li .check-icon {
  flex-shrink: 0;
  margin-top: 4px;
  width: 20px;
  height: 20px;
  color: var(--turquoise);
}

/* --- CONTENT PROSE --- */
.prose {
  max-width: 70ch;
}
.prose h2 {
  font-size: var(--text-3xl);
  margin-top: var(--sp-16);
  margin-bottom: var(--sp-5);
}
.prose h3 {
  font-size: var(--text-xl);
  margin-top: var(--sp-10);
  margin-bottom: var(--sp-4);
}
.prose p {
  margin-bottom: var(--sp-5);
  color: var(--text-secondary);
}
.prose ul, .prose ol {
  margin-bottom: var(--sp-5);
  padding-left: var(--sp-6);
}
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li {
  margin-bottom: var(--sp-2);
  color: var(--text-secondary);
  line-height: 1.7;
}
.prose strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* --- FOOTER --- */
.site-footer {
  background: var(--gray-900);
  color: var(--text-on-dark);
  padding: var(--sp-20) 0 0;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--turquoise) 0px,
    var(--turquoise) 20px,
    var(--burgundy) 20px,
    var(--burgundy) 24px,
    var(--turquoise-light) 24px,
    var(--turquoise-light) 44px,
    var(--burgundy) 44px,
    var(--burgundy) 48px
  );
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  margin-bottom: var(--sp-16);
}
.footer-brand p {
  color: var(--gray-400);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--sp-5);
  max-width: 300px;
}
.footer-brand .footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.footer-brand .footer-contact a {
  color: var(--turquoise-light);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.footer-brand .footer-contact a:hover {
  color: var(--turquoise);
}
.footer-col h4 {
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-5);
}
.footer-col a {
  display: block;
  color: var(--gray-400);
  font-size: var(--text-sm);
  padding: var(--sp-1) 0;
  transition: color var(--duration-fast);
}
.footer-col a:hover {
  color: var(--turquoise-light);
}
.footer-badges {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-top: var(--sp-5);
}
.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  color: var(--gray-400);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: var(--sp-2) var(--sp-3);
}
.footer-badge svg {
  width: 14px;
  height: 14px;
  color: var(--turquoise-light);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--sp-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}
.footer-bottom p {
  color: var(--gray-500);
  font-size: var(--text-xs);
}
.footer-bottom-links {
  display: flex;
  gap: var(--sp-6);
}
.footer-bottom-links a {
  color: var(--gray-500);
  font-size: var(--text-xs);
}
.footer-bottom-links a:hover {
  color: var(--turquoise-light);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-8);
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* --- SCROLL ANIMATIONS --- */
.reveal {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}
.reveal.visible {
  opacity: 1;
}

/* --- RESPONSIVE UTILITIES --- */
@media (max-width: 768px) {
  .hero {
    min-height: 70vh;
  }
  .hero-content {
    padding: var(--sp-12) 0;
  }
  .section {
    padding: var(--sp-16) 0;
  }
  .section-header {
    margin-bottom: var(--sp-10);
  }
  .page-header {
    padding: var(--sp-16) 0 var(--sp-10);
  }
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-5);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }
  .university-grid {
    grid-template-columns: 1fr;
  }
  .value-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-6);
  }
}

@media (max-width: 480px) {
  .value-grid {
    grid-template-columns: 1fr;
  }
  .hero-cta-group {
    flex-direction: column;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* --- Print styles --- */
@media print {
  .site-header, .site-footer, .nav-mobile, .cta-banner { display: none; }
  body { font-size: 12pt; color: #000; }
  .hero { min-height: auto; background: none; }
  .hero-overlay { display: none; }
  .hero h1 { color: #000; }
}


/* ===== P0: FAQ ACCORDION FIX ===== */
.faq-item.open .faq-answer {
  max-height: 1000px;
  transition: max-height 0.35s ease;
}

/* ===== P0: HERO SECONDARY BUTTON CONTRAST FIX ===== */
.btn-secondary {
  border-color: rgba(255,255,255,0.85) !important;
}

/* ===== P2: TUBITAK INFO BOX COLOR CONSISTENCY ===== */
.info-box--burgundy {
  border-left-color: var(--turquoise, #00838F) !important;
}

/* ===== P2: DISCIPLINES ICON GRID ===== */
.disciplines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-6, 1.5rem);
  margin-top: var(--sp-8, 2rem);
}
.discipline-card {
  background: #fff;
  border-radius: 12px;
  padding: var(--sp-6, 1.5rem) var(--sp-5, 1.25rem);
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3, 0.75rem);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.discipline-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.11);
}
.discipline-icon {
  font-size: 2.25rem;
  line-height: 1;
}
.discipline-card h3 {
  font-size: var(--text-lg, 1.125rem);
  font-weight: 700;
  margin: 0;
  color: var(--text-primary, #1a1a2e);
}
.discipline-card p {
  font-size: var(--text-sm, 0.875rem);
  color: var(--text-secondary, #555);
  margin: 0;
  line-height: 1.5;
}

/* ===== P1: TESTIMONIALS SECTION ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-6, 1.5rem);
  margin-top: var(--sp-8, 2rem);
}
.testimonial-card {
  background: #fff;
  border-radius: 14px;
  padding: var(--sp-7, 1.75rem);
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  border-left: 4px solid var(--turquoise, #00838F);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4, 1rem);
}
.testimonial-quote {
  font-size: var(--text-base, 1rem);
  font-style: italic;
  color: var(--text-primary, #1a1a2e);
  line-height: 1.65;
  padding-left: var(--sp-4, 1rem);
}
.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.testimonial-name {
  font-weight: 700;
  font-size: var(--text-sm, 0.875rem);
  color: var(--text-primary, #1a1a2e);
}
.testimonial-meta {
  font-size: var(--text-xs, 0.75rem);
  color: var(--text-secondary, #777);
}
.testimonial-journal {
  display: inline-block;
  font-size: var(--text-xs, 0.75rem);
  background: var(--turquoise-muted, #e0f4f5);
  color: var(--turquoise, #00838F);
  border-radius: 20px;
  padding: 2px 10px;
  font-weight: 600;
  margin-top: 4px;
}

/* ===== P1+P2: UNIVERSITY CARD CTA BUTTON ===== */
.uni-card-cta {
  display: inline-block;
  margin-top: var(--sp-3, 0.75rem);
  font-size: var(--text-xs, 0.75rem);
  font-weight: 600;
  color: var(--turquoise, #00838F);
  text-decoration: none;
  border: 1.5px solid var(--turquoise, #00838F);
  border-radius: 20px;
  padding: 4px 14px;
  transition: background 0.18s ease, color 0.18s ease;
}
.uni-card-cta:hover {
  background: var(--turquoise, #00838F);
  color: #fff;
}

/* ===== P2: SOCIAL MEDIA FOOTER ICONS ===== */
.footer-social {
  display: flex;
  gap: var(--sp-3, 0.75rem);
  margin-top: var(--sp-4, 1rem);
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: var(--gray-400, #9ca3af);
  transition: background 0.18s ease, color 0.18s ease;
  text-decoration: none;
}
.footer-social a:hover {
  background: var(--turquoise, #00838F);
  color: #fff;
}
.footer-social svg {
  width: 18px;
  height: 18px;
}

/* ===== P2: CHALLENGES SECTION CTA ===== */
.challenges-cta {
  margin-top: var(--sp-6, 1.5rem);
  text-align: center;
}

/* ===== P2: DOCENTLIK CHECKLIST LAYOUT ===== */
.docentlik-checklist {
  list-style: none;
  padding: 0;
  margin: var(--sp-5, 1.25rem) 0 var(--sp-6, 1.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3, 0.75rem);
}
.docentlik-checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3, 0.75rem);
  font-size: var(--text-base, 1rem);
  color: var(--text-primary, #1a1a2e);
}
.docentlik-checklist li::before {
  content: "";
  width: 20px;
  height: 20px;
  min-width: 20px;
  background: var(--turquoise, #00838F);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: 2px;
}

/* ===== P2: SERVICE CARDS 4-COLUMN FIX (last card) ===== */
@media (min-width: 960px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr) !important;
  }
}

/* ===== TURKEY FIXES - PHASE 2 ===== */

/* P0: FAQ ACCORDION FIX */
.faq-item .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.open .faq-answer {
  max-height: 1000px;
  transition: max-height 0.35s ease;
}

/* P0: HERO SECONDARY BUTTON CONTRAST */
.btn-secondary {
  border-color: rgba(255,255,255,0.85) !important;
  color: #fff !important;
}

/* P1: TESTIMONIALS GRID */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}
.testimonial-card {
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  border-left: 4px solid var(--turquoise, #00838F);
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}

/* P2: DISCIPLINES ICON GRID */
.disciplines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.discipline-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem 1.25rem;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.discipline-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}
.discipline-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  display: block;
}

/* P2: SERVICE CARDS 4-COLUMN AT 960px+ */
@media (min-width: 960px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr) !important;
  }
}

/* ===== END TURKEY FIXES PHASE 2 ===== */