/* =============================================
   II. Uluslararası Oyun Terapisi Konferansı 2026
   Ana CSS Dosyası
   ============================================= */

:root {
  --primary: #1B4F72;
  --primary-light: #2E86C1;
  --primary-dark: #154360;
  --gold: #C9982A;
  --gold-light: #F0C040;
  --green: #1D8348;
  --green-light: #27AE60;
  --bg: #FAFAF7;
  --surface: #FFFFFF;
  --surface-alt: #F4F6F7;
  --text: #1C2833;
  --text-muted: #566573;
  --text-light: #909497;
  --border: #D5D8DC;
  --border-light: #EBF5FB;
  --shadow: rgba(27, 79, 114, 0.12);
  --shadow-strong: rgba(27, 79, 114, 0.22);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: 'Nunito', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* =============================================
   TYPOGRAPHY
   ============================================= */

h1, h2, h3, h4 {
  font-family: 'Playfair Display', 'Georgia', serif;
  line-height: 1.3;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

p { color: var(--text-muted); }

a { text-decoration: none; color: inherit; }

/* =============================================
   UTILITY
   ============================================= */

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  color: var(--primary);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.section-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--primary-light));
  border-radius: 2px;
  margin: 16px auto 0;
}

section {
  padding: 100px 0;
}

section:nth-child(even) {
  background: var(--surface-alt);
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  font-family: inherit;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), #B7820A);
  color: white;
  box-shadow: 0 4px 20px rgba(201, 152, 42, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 152, 42, 0.5);
}

.btn-outline {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: white;
}

.btn-primary-dark {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 20px var(--shadow);
}

.btn-primary-dark:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--shadow-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-ghost:hover {
  background: var(--primary);
  color: white;
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.9rem;
}

/* =============================================
   NAVIGATION
   ============================================= */

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 0;
}

#navbar.scrolled {
  background: rgba(27, 79, 114, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px var(--shadow-strong);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  line-height: 1.2;
}

.nav-logo > div {
  display: flex;
  flex-direction: column;
}

.nav-logo-title {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  font-weight: 700;
  color: white;
}

.nav-logo-sub {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-links a:hover {
  color: white;
  background: rgba(255,255,255,0.12);
}

.nav-cta {
  background: var(--gold) !important;
  color: white !important;
  padding: 8px 20px !important;
  border-radius: 50px !important;
  font-weight: 700 !important;
}

.nav-cta:hover {
  background: #B7820A !important;
  transform: translateY(-1px);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}

.nav-hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(27, 79, 114, 0.98);
  backdrop-filter: blur(10px);
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.nav-mobile.open {
  display: block;
}

.nav-mobile a {
  display: block;
  color: rgba(255,255,255,0.9);
  padding: 12px 32px;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
}

.nav-mobile a:hover {
  background: rgba(255,255,255,0.08);
  color: white;
}

/* =============================================
   HERO
   ============================================= */

#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(150deg, #0A2744 0%, #1B4F72 40%, #1D6A96 70%, #2E86C1 100%);
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
}

.hero-shape-1 {
  width: 600px; height: 600px;
  top: -200px; right: -100px;
  background: radial-gradient(circle, rgba(201,152,42,0.15) 0%, transparent 70%);
}

.hero-shape-2 {
  width: 400px; height: 400px;
  bottom: -100px; left: -100px;
  background: radial-gradient(circle, rgba(46,134,193,0.2) 0%, transparent 70%);
}

.hero-shape-3 {
  width: 200px; height: 200px;
  top: 30%; left: 20%;
  background: rgba(255,255,255,0.02);
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 152, 42, 0.2);
  border: 1px solid rgba(201, 152, 42, 0.5);
  color: #F0C040;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero-badge-dot {
  width: 8px; height: 8px;
  background: #F0C040;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  color: white;
  margin-bottom: 8px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-title span {
  color: var(--gold-light);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,0.75);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.hero-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  font-weight: 600;
}

.hero-meta-icon {
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold-light);
  display: block;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Countdown */
.hero-countdown {
  margin-bottom: 40px;
}

.countdown-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.countdown-boxes {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.countdown-box {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  min-width: 72px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.countdown-num {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  display: block;
  line-height: 1;
}

.countdown-unit {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* =============================================
   ABOUT
   ============================================= */

#hakkinda {
  background: var(--surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text h2 {
  color: var(--primary);
  margin-bottom: 20px;
}

.about-text p {
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.about-highlight-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.about-highlight-item h4 {
  font-size: 0.9rem;
  color: var(--primary);
  margin-bottom: 4px;
}

.about-highlight-item p {
  font-size: 0.85rem;
  margin: 0;
}

.about-visual {
  position: relative;
}

.about-card-main {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: 40px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 20px 60px var(--shadow-strong);
}

.about-card-main .big-number {
  font-family: 'Playfair Display', serif;
  font-size: 4rem;
  font-weight: 700;
  color: var(--gold-light);
  display: block;
}

.about-card-main .big-label {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
}

.about-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.about-card-stat {
  background: rgba(255,255,255,0.12);
  padding: 16px;
  border-radius: var(--radius-sm);
}

.about-card-stat .num {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold-light);
  display: block;
}

.about-card-stat .lbl {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
}

/* =============================================
   SPEAKERS
   ============================================= */

#konusmacılar {
  background: var(--bg);
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.speaker-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 2px 12px var(--shadow);
}

.speaker-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--shadow-strong);
  border-color: var(--primary-light);
}

.speaker-card-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.speaker-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  flex-shrink: 0;
  border: 3px solid rgba(255,255,255,0.2);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  overflow: hidden;
}

.speaker-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.speaker-avatar-duo {
  width: auto;
  border-radius: 0;
  background: none;
  border: none;
  box-shadow: none;
  gap: 6px;
}

.speaker-avatar-duo .speaker-avatar-img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(255,255,255,0.2);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  flex-shrink: 0;
}

.speaker-avatar-duo .speaker-avatar-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.speaker-header-info h3 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.speaker-credentials {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.4;
}

.speaker-card-body {
  padding: 24px;
}

.speaker-session-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #EBF5FB;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
}

.speaker-presentation {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  font-family: 'Playfair Display', serif;
  line-height: 1.4;
}

.speaker-bio-short {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.speaker-bio-full {
  display: none;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.speaker-bio-toggle {
  background: none;
  border: none;
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  padding: 8px 0 0;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
  font-family: inherit;
}

.speaker-bio-toggle:hover {
  color: var(--primary);
}

.speaker-bio-toggle.expanded .toggle-icon {
  transform: rotate(180deg);
}

.toggle-icon {
  transition: var(--transition);
  display: inline-block;
}

/* =============================================
   PROGRAM
   ============================================= */

#program {
  background: var(--surface);
}

.program-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.program-tab {
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid var(--border);
  background: white;
  color: var(--text-muted);
  font-family: inherit;
}

.program-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  box-shadow: 0 4px 20px var(--shadow);
}

.program-day {
  display: none;
  max-width: 860px;
  margin: 0 auto;
}

.program-day.active {
  display: block;
}

.program-timeline {
  position: relative;
}

.program-timeline::before {
  content: '';
  position: absolute;
  left: 100px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-light), var(--gold));
}

.program-item {
  display: flex;
  gap: 32px;
  margin-bottom: 32px;
  position: relative;
  align-items: flex-start;
}

.program-time {
  width: 80px;
  flex-shrink: 0;
  text-align: right;
  padding-top: 20px;
}

.program-time span {
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--primary);
  background: #EBF5FB;
  padding: 4px 8px;
  border-radius: 6px;
}

.program-dot {
  position: absolute;
  left: 92px;
  top: 24px;
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 3px var(--primary);
  z-index: 1;
  flex-shrink: 0;
}

.program-item.workshop .program-dot {
  background: var(--gold);
  box-shadow: 0 0 0 3px var(--gold);
}

.program-content {
  flex: 1;
  margin-left: 40px;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--primary-light);
  transition: var(--transition);
}

.program-item.workshop .program-content {
  border-left-color: var(--gold);
  background: linear-gradient(135deg, #FEF9EC, #FFFEF8);
}

.program-content:hover {
  box-shadow: 0 4px 20px var(--shadow);
}

.program-content-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

.program-type-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 50px;
  white-space: nowrap;
  flex-shrink: 0;
}

.program-type-badge.sunum {
  background: #EBF5FB;
  color: var(--primary);
}

.program-type-badge.workshop {
  background: #FEF9EC;
  color: #8B6914;
}

.program-content h4 {
  color: var(--text);
  font-size: 1rem;
  font-family: 'Playfair Display', serif;
  line-height: 1.4;
  margin-bottom: 8px;
}

.program-speaker-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 8px;
}

.program-content p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* =============================================
   REGISTRATION
   ============================================= */

#kayit {
  background: var(--bg);
}

.registration-types {
  display: inline-flex;
  justify-content: center;
  gap: 0;
  margin: 0 auto 48px;
  background: var(--surface);
  border-radius: 50px;
  padding: 6px;
  border: 1px solid var(--border);
  max-width: 100%;
}

.registration-tab-wrapper {
  text-align: center;
  padding: 0 16px;
}

.reg-tab {
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  white-space: nowrap;
}

.reg-tab.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 12px var(--shadow);
}

.reg-panel {
  display: none;
}

.reg-panel.active {
  display: block;
}

.reg-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.reg-info-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 20px var(--shadow);
}

.reg-info-card.professional {
  border-top: 4px solid var(--primary);
}

.reg-info-card.student {
  border-top: 4px solid var(--green);
}

.reg-info-card h3 {
  color: var(--primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.reg-icon {
  font-size: 1.4rem;
}

.reg-price {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.reg-price-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.reg-features {
  list-style: none;
  margin-bottom: 28px;
}

.reg-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-muted);
}

.reg-features li:last-child {
  border-bottom: none;
}

.reg-features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}

.bank-info-box {
  background: #EBF5FB;
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid #BDD7EE;
}

.bank-info-box h4 {
  color: var(--primary);
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.bank-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(46,134,193,0.15);
  gap: 12px;
}

.bank-row:last-child { border-bottom: none; }

.bank-row .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.bank-row .value {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  text-align: right;
  word-break: break-all;
}

.copy-btn {
  background: none;
  border: 1px solid var(--primary-light);
  color: var(--primary-light);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
  flex-shrink: 0;
}

.copy-btn:hover {
  background: var(--primary-light);
  color: white;
}

.no-refund-notice {
  display: flex;
  gap: 10px;
  background: #FEF9EC;
  border: 1px solid #F5CBA7;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.85rem;
  color: #7D6608;
  margin-top: 16px;
}

/* Form */
.reg-form-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 20px var(--shadow);
}

.reg-form-card h3 {
  color: var(--primary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #E74C3C;
  margin-left: 2px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  transition: var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary-light);
  background: white;
  box-shadow: 0 0 0 3px rgba(46,134,193,0.1);
}

.form-input::placeholder {
  color: var(--text-light);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23566573' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.file-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 28px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.file-upload-area:hover, .file-upload-area.dragover {
  border-color: var(--primary-light);
  background: #EBF5FB;
}

.file-upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.file-upload-icon { font-size: 2rem; margin-bottom: 8px; }
.file-upload-text { font-size: 0.9rem; color: var(--text-muted); font-weight: 600; }
.file-upload-hint { font-size: 0.78rem; color: var(--text-light); }
.file-upload-name { font-size: 0.85rem; color: var(--primary); font-weight: 700; margin-top: 8px; display: none; }

.form-submit-btn {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
  justify-content: center;
  margin-top: 8px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-light);
  text-align: center;
  margin-top: 12px;
}

/* =============================================
   SUCCESS MODAL
   ============================================= */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 560px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,0.25);
  transform: scale(0.9);
  transition: var(--transition);
}

.modal-overlay.open .modal-box {
  transform: scale(1);
}

.modal-icon { font-size: 3.5rem; margin-bottom: 16px; }
.modal-box h3 { color: var(--primary); margin-bottom: 12px; }
.modal-box p { font-size: 0.95rem; margin-bottom: 20px; }

.modal-email-display {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
  font-size: 1rem;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--bg);
  color: var(--text);
}

.modal-box { position: relative; }

/* =============================================
   PAST SESSIONS
   ============================================= */

#gecmis-oturumlar {
  background: var(--surface-alt);
}

.years-nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.year-btn {
  padding: 10px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid var(--border);
  background: white;
  color: var(--text-muted);
  font-family: inherit;
}

.year-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.year-panel { display: none; }
.year-panel.active { display: block; }

.sessions-hero-card {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: white;
  margin-bottom: 32px;
}

.sessions-hero-card h3 {
  font-size: 1.8rem;
  color: white;
  margin-bottom: 12px;
}

.sessions-hero-card p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto 32px;
}

.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.session-purchase-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 8px var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.session-purchase-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--shadow-strong);
}

.session-card-number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
}

.session-purchase-card h4 {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}

.session-purchase-card .speaker-name {
  font-size: 0.82rem;
  color: var(--primary-light);
  font-weight: 700;
  margin-bottom: 16px;
}

.session-buy-btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  transition: var(--transition);
}

.session-buy-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.sessions-grid-2025 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.upcoming-sessions-card {
  background: linear-gradient(135deg, #EBF5FB, #FDFEFE);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  border: 2px dashed #AED6F1;
}

.upcoming-sessions-card h3 {
  color: var(--primary);
  margin-bottom: 12px;
}

.upcoming-sessions-card p {
  max-width: 500px;
  margin: 0 auto 24px;
}

/* =============================================
   FOOTER
   ============================================= */

footer {
  background: #0A1E2E;
  color: rgba(255,255,255,0.75);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  font-family: 'Playfair Display', serif;
  color: white;
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  color: white;
  font-size: 0.95rem;
  margin-bottom: 16px;
  font-family: 'Nunito', sans-serif;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  transition: var(--transition);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 12px;
}

.footer-contact-item span:first-child {
  font-size: 1rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

.footer-bottom a {
  color: rgba(255,255,255,0.35);
  transition: var(--transition);
}

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

/* =============================================
   ANIMATIONS
   ============================================= */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* JS yüklenemezse içerik her zaman görünsün */
.no-js .fade-up {
  opacity: 1;
  transform: none;
}

/* =============================================
   TOAST
   ============================================= */

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--primary);
  color: white;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 3000;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-visual { order: -1; }
  .about-card-main { max-width: 400px; margin: 0 auto; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }

  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero-stats { gap: 24px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 300px; justify-content: center; }

  .program-timeline::before { left: 80px; }
  .program-time { width: 60px; }
  .program-dot { left: 72px; }
  .program-content { margin-left: 24px; }

  .reg-content { grid-template-columns: 1fr; }

  .speakers-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; }

  .about-highlights { grid-template-columns: 1fr; }

  .modal-box { padding: 32px 24px; }

  .sessions-hero-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .program-timeline::before { display: none; }
  .program-item { flex-direction: column; gap: 8px; }
  .program-time { width: 100%; text-align: left; padding-top: 0; }
  .program-dot { display: none; }
  .program-content { margin-left: 0; }

  .footer-grid { grid-template-columns: 1fr; }
  .countdown-boxes { gap: 8px; }
  .countdown-box { min-width: 60px; padding: 10px 14px; }

  .registration-tab-wrapper { padding: 0 8px; }
  .registration-types { border-radius: 12px; width: 100%; }
  .reg-tab { padding: 10px 12px; font-size: 0.82rem; flex: 1; text-align: center; border-radius: 8px; white-space: normal; line-height: 1.3; }
}
