/* layout.css — Grid, Flexbox, Section Yapıları */

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ===== SECTION ===== */
.section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

.section-sm {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.section-bg {
  background-color: var(--color-bg-soft);
}

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

.section-accent {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header .eyebrow {
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header .lead {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== GRID ===== */
.grid {
  display: grid;
  gap: var(--space-xl);
}

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

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* ===== FLEX ===== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal), padding var(--transition-normal);
  padding: 1.5rem 0;
}

.navbar.scrolled {
  background-color: var(--color-bg);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.navbar-brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.navbar-brand-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-inverse);
  line-height: 1.1;
  transition: color var(--transition-fast);
}

.navbar.scrolled .navbar-brand-name {
  color: var(--color-text-primary);
}

.navbar-brand-tagline {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

.navbar.scrolled .navbar-brand-tagline {
  color: var(--color-text-muted);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.navbar-nav a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-normal);
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
  width: 100%;
}

.navbar.scrolled .navbar-nav a {
  color: var(--color-text-secondary);
}

.navbar-nav a:hover,
.navbar.scrolled .navbar-nav a:hover {
  color: var(--color-accent);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.navbar-instagram {
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.navbar.scrolled .navbar-instagram {
  color: var(--color-text-secondary);
}

.navbar-instagram:hover {
  color: var(--color-accent);
}

.navbar-instagram svg {
  width: 22px;
  height: 22px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text-inverse);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.navbar.scrolled .hamburger span {
  background: var(--color-text-primary);
}

/* Mobile Nav Overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--color-bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.75rem;
  color: var(--color-text-primary);
  cursor: pointer;
  line-height: 1;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text-primary);
  font-weight: var(--weight-bold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.mobile-nav-links a:hover {
  color: var(--color-accent);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-text-primary) 0%, #1A3A4A 50%, #0D2B3A 100%);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(26, 107, 107, 0.12);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -5%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(26, 107, 107, 0.08);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero-text h1 {
  color: var(--color-text-inverse);
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.hero-text .lead {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-md);
}

.hero-ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-photo-wrap {
  position: relative;
  width: 420px;
  height: 520px;
  max-width: 100%;
}

.hero-photo-bg {
  position: absolute;
  inset: 0;
  border-radius: 60% 40% 55% 45% / 50% 55% 45% 50%;
  background: rgba(26, 107, 107, 0.25);
  transform: scale(1.05);
}

.hero-photo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 60% 40% 55% 45% / 50% 55% 45% 50%;
}

.hero-photo-placeholder {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 60% 40% 55% 45% / 50% 55% 45% 50%;
  background: linear-gradient(135deg, rgba(26,107,107,0.4), rgba(26,107,107,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: var(--text-sm);
  text-align: center;
}

.hero-badge {
  position: absolute;
  bottom: 60px;
  left: -20px;
  background: var(--color-accent);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  z-index: 2;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: var(--color-accent);
  padding: var(--space-3xl) 0;
}

.stats-bar .grid-4 {
  gap: 0;
}

.stat-card {
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-card:last-child {
  border-right: none;
}

/* ===== ABOUT ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-photo {
  width: 100%;
  border-radius: var(--radius-xl);
  object-fit: cover;
  aspect-ratio: 3/4;
  display: block;
}

.about-photo-placeholder {
  width: 100%;
  border-radius: var(--radius-xl);
  aspect-ratio: 3/4;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: var(--text-3xl);
}

.about-quote {
  position: absolute;
  bottom: var(--space-xl);
  right: calc(-1 * var(--space-2xl));
  background: white;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-md);
  max-width: 260px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  line-height: 1.5;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.about-text h2 {
  margin-bottom: 0;
}

.about-badges {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ===== KURSLAR ===== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  align-items: stretch;
}

/* ===== NASIL ÇALIŞIR ===== */
.steps-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.steps-line {
  position: absolute;
  top: 28px;
  left: calc(12.5% + 28px);
  right: calc(12.5% + 28px);
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-accent) 0,
    var(--color-accent) 8px,
    transparent 8px,
    transparent 18px
  );
  z-index: 0;
}

/* ===== REFERANSLAR ===== */
.testimonials-slider {
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  gap: var(--space-xl);
  transition: transform var(--transition-slow);
}

.testimonials-track .testimonial-card {
  min-width: calc(50% - var(--space-lg));
  flex-shrink: 0;
}

.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-secondary);
}

.slider-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.slider-btn svg {
  width: 20px;
  height: 20px;
}

.slider-dots {
  display: flex;
  gap: var(--space-sm);
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.slider-dot.active {
  background: var(--color-accent);
  width: 24px;
  border-radius: var(--radius-pill);
}

/* ===== KİTAPLAR ===== */
.books-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

/* ===== İLETİŞİM ===== */
.contact-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact-form-wrap {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.contact-form-wrap h3 {
  margin-bottom: var(--space-xl);
  font-size: var(--text-2xl);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-grid .form-group:last-child {
  grid-column: 1 / -1;
}

.contact-info-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.contact-info-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-4xl) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-xs);
}

.footer-tagline {
  font-size: var(--text-sm);
  margin-bottom: var(--space-lg);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: white;
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-inverse);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding: var(--space-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--color-accent);
}

/* ===== YARDIMCI ===== */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.hidden { display: none !important; }