/* ===== CSS Variables ===== */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary: #64748b;
  --accent: #f59e0b;
  --accent-dark: #d97706;

  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --bg-gray: #f1f5f9;

  --border: #e2e8f0;
  --border-dark: #cbd5e1;

  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  --radius: 8px;
  --radius-lg: 12px;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-white);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: all 0.3s;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  fill: #ef4444;
}

.nav-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.nav-logo span {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 10px 16px;
  border-radius: var(--radius);
  transition: all 0.2s;
}

.nav-links a:hover {
  color: var(--primary);
  background: var(--bg-light);
}

.nav-link-icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

.nav-register-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
  color: white !important;
  padding: 12px 20px !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
  transition: all 0.3s !important;
}

.nav-register-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary)) !important;
}

.nav-register-btn svg {
  width: 18px;
  height: 18px;
  stroke: white;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  border-radius: var(--radius);
  transition: background 0.2s;
}

.nav-toggle:hover {
  background: var(--bg-light);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

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

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--border-dark);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-danger {
  background: var(--error);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.hero .btn-lg {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
  transition: all 0.3s;
}

.hero .btn-lg:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(37, 99, 235, 0.5);
}

.btn-block {
  width: 100%;
}

/* ===== Alerts ===== */
.alert {
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-weight: 500;
}

.alert-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ===== Hero Section ===== */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #EEF2FF 0%, #DBEAFE 50%, #E0E7FF 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
  animation: rotate 30s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-illustration {
  margin-bottom: 32px;
  position: relative;
}

.hero-illustration svg {
  width: 140px;
  height: 140px;
  animation: float 6s ease-in-out infinite;
  filter: drop-shadow(0 10px 30px rgba(37, 99, 235, 0.2));
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-badge {
  display: inline-block;
  padding: 8px 16px;
  background: var(--primary);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.8);
  padding: 10px 18px;
  border-radius: 50px;
  font-weight: 500;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(5px);
}

.icon {
  width: 20px;
  height: 20px;
  stroke: var(--primary);
}

/* ===== Countdown ===== */
.countdown {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 40px 0;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 24px;
  background: white;
  border-radius: var(--radius-lg);
  min-width: 90px;
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.15);
  position: relative;
  overflow: hidden;
}

.countdown-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.countdown-value {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.countdown-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* ===== Social Proof ===== */
.social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.7);
  padding: 12px 24px;
  border-radius: 50px;
  max-width: fit-content;
  margin: 0 auto;
  backdrop-filter: blur(5px);
}

.avatars {
  display: flex;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border: 3px solid white;
  margin-left: -10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.avatar:first-child {
  margin-left: 0;
}

/* ===== Sections ===== */
.section {
  padding: 80px 0;
}

.section-gray {
  background: var(--bg-light);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.feature-card {
  padding: 32px 24px;
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  border: none;
  border-radius: 20px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #7c3aed);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(37, 99, 235, 0.15);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-radius: 50%;
  transition: transform 0.3s ease, background 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--primary);
}

.feature-number {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.feature-card:hover .feature-number {
  opacity: 1;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--text-primary);
  line-height: 1.4;
}

.feature-card h3 .highlight {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.feature-card p strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===== Agenda ===== */
.agenda {
  max-width: 650px;
  margin: 0 auto;
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  border: none;
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  position: relative;
  overflow: hidden;
}

.agenda::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), #7c3aed, #ec4899);
}

.agenda h3 {
  margin-bottom: 28px;
  text-align: center;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.agenda-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.agenda-list::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 30px;
  bottom: 30px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), #7c3aed);
  opacity: 0.2;
}

.agenda-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: white;
  border-radius: 12px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  position: relative;
}

.agenda-item:hover {
  transform: translateX(8px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.12);
  border-color: rgba(37, 99, 235, 0.2);
}

.agenda-time {
  font-weight: 700;
  color: white;
  min-width: 50px;
  font-size: 0.8rem;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  padding: 6px 10px;
  border-radius: 8px;
  text-align: center;
}

.agenda-icon {
  width: 22px;
  height: 22px;
  stroke: var(--primary);
  flex-shrink: 0;
  background: #eff6ff;
  padding: 4px;
  border-radius: 6px;
  box-sizing: content-box;
}

.agenda-topic {
  color: var(--text-primary);
  flex: 1;
  font-weight: 500;
}

/* ===== Speaker Section ===== */
/* Featured Host Speaker */
.featured-speaker {
  display: flex;
  gap: 40px;
  background: linear-gradient(135deg, #1e40af 0%, #7c3aed 100%);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 48px;
  color: white;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
}

.featured-speaker-image {
  position: relative;
  flex-shrink: 0;
}

.featured-speaker-image .speaker-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.featured-badge {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: #f59e0b;
  color: #1e293b;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.featured-speaker-info h3 {
  font-size: 1.75rem;
  margin-bottom: 4px;
}

.featured-role {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 16px;
  font-weight: 500;
}

.featured-bio {
  font-size: 0.95rem;
  line-height: 1.7;
  opacity: 0.95;
  margin-bottom: 20px;
}

.featured-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.featured-credential {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  backdrop-filter: blur(4px);
}

/* Guest Speakers Header */
.guest-speakers-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 32px;
}

.guest-speakers-header h3 {
  font-size: 1.25rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  white-space: nowrap;
}

.header-line {
  height: 2px;
  width: 80px;
  background: linear-gradient(90deg, transparent, var(--border-dark), transparent);
}

/* Guest Speakers Grid */
.guest-speakers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.guest-speaker-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.guest-speaker-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.guest-image-wrapper {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.guest-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.3s ease;
}

.guest-speaker-card:hover .guest-photo {
  transform: scale(1.05);
}

.guest-specialty {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.guest-info {
  padding: 20px;
}

.guest-info h4 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.guest-title {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 2px;
}

.guest-org {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.guest-bio {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.guest-tags {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
}

.guest-tag {
  background: var(--bg-gray);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Legacy speakers grid - keep for compatibility */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.speaker-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  background: var(--bg-white);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  text-align: center;
}

.speaker-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.speaker-badge-guest {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.speaker-image {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
}

.speaker-placeholder {
  width: 180px;
  height: 220px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-gray), var(--bg-light));
  display: flex;
  align-items: center;
  justify-content: center;
}

.speaker-placeholder svg {
  width: 80px;
  height: 80px;
  stroke: var(--text-muted);
}

.speaker-photo {
  width: 180px;
  height: 220px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  object-position: top center;
  box-shadow: var(--shadow-md);
}

.speaker-info h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.speaker-bio {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.speaker-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.credential {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-light);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: all 0.2s;
}

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

.credential:hover .credential-icon {
  stroke: white;
}

.credential-icon {
  width: 16px;
  height: 16px;
  stroke: var(--primary);
  flex-shrink: 0;
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.testimonial-card {
  padding: 32px;
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  border: none;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  left: 24px;
  font-size: 80px;
  font-family: Georgia, serif;
  color: var(--primary);
  opacity: 0.1;
  line-height: 1;
}

.testimonial-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #7c3aed);
}

.testimonial-text {
  font-size: 1.063rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 24px;
  flex-grow: 1;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 1.25rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.testimonial-author strong {
  display: block;
  color: var(--text-primary);
  font-size: 1rem;
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 500;
}

/* ===== FAQ Section ===== */
.faq-list {
  max-width: 750px;
  margin: 0 auto;
}

.faq-item {
  border: none;
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.1);
  transform: translateY(-2px);
}

.faq-item.active {
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.15);
  background: white;
}

.faq-question {
  width: 100%;
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: color 0.3s ease;
}

.faq-item:hover .faq-question,
.faq-item.active .faq-question {
  color: var(--primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  stroke: var(--primary);
  transition: transform 0.3s ease;
  background: #eff6ff;
  padding: 4px;
  border-radius: 50%;
  box-sizing: content-box;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary);
  stroke: white;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.faq-item.active .faq-answer {
  max-height: 250px;
}

.faq-answer p {
  padding: 0 28px 24px;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding-top: 16px;
  margin: 0 20px;
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--primary);
  text-align: center;
  padding: 80px 0;
}

.cta-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse 2s ease-in-out infinite;
}

.cta-icon svg {
  width: 32px;
  height: 32px;
  stroke: white;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.cta-section h2 {
  color: white;
  font-size: 2rem;
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  margin-bottom: 32px;
}

.cta-section .btn-primary {
  background: white;
  color: var(--primary);
}

.cta-section .btn-primary:hover {
  background: var(--bg-light);
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: var(--bg-light);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.footer-logo {
  width: 24px;
  height: 24px;
  stroke: var(--primary);
}

.footer-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.footer-logo-icon {
  width: 32px;
  height: 32px;
  fill: #ef4444;
}

.footer p {
  font-size: 0.875rem;
}

.footer-connect {
  margin: 24px 0;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.footer-connect-title {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.footer-social {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.footer-social-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: #fff;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.footer-social-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.footer-social-link:first-child:hover {
  background: #0077b5;
  border-color: #0077b5;
  color: #fff;
}

.footer-social-link:last-child:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.footer-social-link svg {
  flex-shrink: 0;
}

/* ===== Register Page ===== */
.register-section {
  padding: 120px 0 80px;
  min-height: 100vh;
  background: var(--bg-light);
}

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

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.back-link:hover {
  color: var(--primary);
}

.register-info h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.register-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 32px;
}

.register-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.register-benefits h3 {
  margin-bottom: 16px;
}

.register-benefits ul {
  list-style: none;
}

.register-benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  color: var(--text-secondary);
}

.register-benefits svg {
  width: 20px;
  height: 20px;
  stroke: var(--success);
  flex-shrink: 0;
}

.form-card {
  background: var(--bg-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-card h2 {
  margin-bottom: 8px;
}

.form-card > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.register-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group select {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Phone Input Group */
.phone-input-group {
  display: flex;
  gap: 8px;
}

.country-code-select {
  width: 140px;
  flex-shrink: 0;
  padding: 14px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  background: var(--bg-white);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.country-code-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.phone-number-input {
  flex: 1;
  min-width: 0;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-group input.error,
.form-group select.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Field Error Messages */
.field-error {
  display: none;
  color: var(--error);
  font-size: 0.85rem;
  margin-top: 4px;
  padding-left: 4px;
}

.field-error.visible {
  display: flex;
  align-items: center;
  gap: 6px;
}

.field-error::before {
  content: '';
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ef4444' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cline x1='12' y1='8' x2='12' y2='12'%3E%3C/line%3E%3Cline x1='12' y1='16' x2='12.01' y2='16'%3E%3C/line%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
}

.form-group.has-error label {
  color: var(--error);
}

/* Success state for valid fields */
.form-group input.valid,
.form-group select.valid {
  border-color: var(--success);
}

.form-group input.valid:focus,
.form-group select.valid:focus {
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-disclaimer {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
}

/* ===== Subscribe Page ===== */
.subscribe-section {
  padding: 120px 0 80px;
  min-height: 100vh;
  background: var(--bg-light);
}

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

.subscribe-info h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.subscribe-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 32px;
}

.subscribe-benefits h3 {
  margin-bottom: 16px;
}

.subscribe-benefits ul {
  list-style: none;
}

.subscribe-benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  color: var(--text-secondary);
}

.subscribe-benefits svg {
  width: 20px;
  height: 20px;
  stroke: var(--success);
  flex-shrink: 0;
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.subscribe-form-container {
  position: sticky;
  top: 100px;
}

/* Animated Heart */
.subscribe-heart-container {
  margin-bottom: 32px;
  text-align: center;
}

.subscribe-heart {
  display: inline-block;
  color: #ef4444;
  animation: heartbeat 1.5s ease-in-out infinite;
}

.subscribe-heart svg {
  width: 80px;
  height: 80px;
}

.subscribe-heart-success svg {
  width: 100px;
  height: 100px;
}

@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  14% {
    transform: scale(1.2);
  }
  28% {
    transform: scale(1);
  }
  42% {
    transform: scale(1.15);
  }
  70% {
    transform: scale(1);
  }
}

/* Success page heart container */
.success-card .subscribe-heart-container {
  margin-bottom: 24px;
}

/* Success next section with check icons */
.success-next li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.success-next .check-icon {
  width: 20px;
  height: 20px;
  stroke: var(--success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== Success Page ===== */
.success-section {
  padding: 120px 0 80px;
  min-height: 100vh;
  background: var(--bg-light);
}

.success-card {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-white);
  padding: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #d1fae5;
  border-radius: 50%;
}

.success-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--success);
}

.success-card h1 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.success-message {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.spam-notice {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fef9c3;
  border: 1px solid #fcd34d;
  color: #92400e;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 24px;
  font-size: 14px;
}

.spam-notice svg {
  flex-shrink: 0;
  color: #d97706;
}

.success-details {
  background: var(--bg-light);
  padding: 24px;
  border-radius: var(--radius);
  margin-bottom: 32px;
}

.success-details h3 {
  margin-bottom: 16px;
}

.success-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.calendar-section {
  margin-bottom: 32px;
}

.calendar-section h3 {
  margin-bottom: 8px;
}

.calendar-section > p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.calendar-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.success-next {
  text-align: left;
  margin-bottom: 32px;
}

.success-next h3 {
  margin-bottom: 16px;
}

.success-next ul {
  list-style: none;
}

.success-next li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  color: var(--text-secondary);
}

.success-next li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}

.share-section {
  border-top: 1px solid var(--border);
  padding-top: 32px;
  margin-bottom: 32px;
}

.share-section h3 {
  margin-bottom: 8px;
}

.share-section > p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.btn-share {
  padding: 10px 20px;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-twitter {
  background: #000000;
  color: white;
}

.btn-twitter:hover {
  background: #333333;
}

.btn-linkedin {
  background: #0077b5;
  color: white;
}

.btn-linkedin:hover {
  background: #005582;
}

.btn-whatsapp {
  background: #25D366;
  color: white;
}

.btn-whatsapp:hover {
  background: #1da851;
}

.btn-facebook {
  background: #1877F2;
  color: white;
}

.btn-facebook:hover {
  background: #0d65d9;
}

.btn-instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: white;
  border: none;
}

.btn-instagram:hover {
  background: linear-gradient(45deg, #e08322 0%, #d55730 25%, #cb1632 50%, #bb1255 75%, #ab0777 100%);
  color: white;
}

/* ===== Auth Pages ===== */
.auth-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  padding: 40px 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-white);
  padding: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.auth-card h1 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.auth-card > p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
}

.auth-footer {
  margin-top: 24px;
  color: var(--text-muted);
}

/* ===== Admin Dashboard ===== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  background: var(--text-primary);
  color: white;
  padding: 24px 0;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 0 24px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.admin-name {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.sidebar-nav {
  padding: 24px 0;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.2s;
}

.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.sidebar-link.active {
  background: var(--primary);
  color: white;
}

.admin-main {
  flex: 1;
  padding: 32px;
  background: var(--bg-light);
  overflow-y: auto;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.admin-header h1 {
  font-size: 1.75rem;
}

/* ===== Stats Grid ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.stat-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius);
}

.stat-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary);
}

.stat-icon-green {
  background: rgba(16, 185, 129, 0.1);
}

.stat-icon-green svg {
  stroke: var(--success);
}

.stat-icon-purple {
  background: rgba(139, 92, 246, 0.1);
}

.stat-icon-purple svg {
  stroke: #8b5cf6;
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ===== Data Table ===== */
.table-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.table-header h2 {
  font-size: 1.125rem;
}

.table-count {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
}

.data-table th {
  background: var(--bg-light);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.email-cell {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

/* Survey Status Indicators */
.survey-status-cell {
  text-align: center;
}

.survey-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-weight: bold;
  font-size: 14px;
}

.survey-status.completed {
  background: #d1fae5;
  color: #059669;
  text-decoration: none;
}

.survey-status.completed:hover {
  background: #a7f3d0;
}

.survey-status.pending {
  background: #f3f4f6;
  color: #9ca3af;
}

/* Teal icon style for survey stats */
.stat-icon-teal {
  background: rgba(20, 184, 166, 0.1);
}

.stat-icon-teal svg {
  stroke: #14b8a6;
}

.actions-cell {
  display: flex;
  gap: 8px;
}

.inline-form {
  display: inline;
}

.empty-state {
  padding: 64px 24px;
  text-align: center;
  color: var(--text-muted);
}

.empty-state svg {
  margin-bottom: 16px;
  stroke: var(--border-dark);
}

/* ===== Error Pages ===== */
.error-section {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 80px;
}

.error-content {
  text-align: center;
}

.error-content h1 {
  font-size: 6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-content h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.error-content p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .speakers-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .speaker-credentials {
    justify-content: center;
  }

  /* Tablet Speaker Section */
  .guest-speakers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .guest-speakers-grid .guest-speaker-card:last-child {
    grid-column: span 2;
    max-width: 350px;
    margin: 0 auto;
  }

  .featured-speaker {
    gap: 30px;
    padding: 32px;
  }

  .featured-speaker-image .speaker-photo {
    width: 170px;
    height: 170px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border);
    gap: 8px;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius);
  }

  .nav-links a:hover {
    background: var(--bg-light);
  }

  .nav-register-btn {
    margin-top: 8px;
    justify-content: center;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-meta {
    flex-direction: column;
    gap: 12px;
  }

  .countdown {
    gap: 8px;
  }

  .countdown-item {
    padding: 16px;
    min-width: 70px;
  }

  .countdown-value {
    font-size: 1.75rem;
  }

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

  .register-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .register-info {
    order: 2;
  }

  .register-form-container {
    order: 1;
  }

  .admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    padding: 16px 0;
  }

  .sidebar-nav {
    display: flex;
    overflow-x: auto;
    padding: 16px;
    gap: 8px;
  }

  .sidebar-link {
    padding: 10px 16px;
    white-space: nowrap;
    border-radius: var(--radius);
  }

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

  .admin-header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .form-card {
    padding: 24px;
  }

  .success-card {
    padding: 32px 24px;
  }

  .auth-card {
    padding: 32px 24px;
  }

  /* Mobile logo fixes */
  .nav-logo-img {
    width: 32px;
    height: 32px;
  }

  .nav-logo span {
    font-size: 1rem;
  }

  .footer-logo-img {
    width: 28px;
    height: 28px;
  }

  .footer-brand span {
    font-size: 0.95rem;
  }

  /* Responsive Speaker Section */
  .featured-speaker {
    flex-direction: column;
    text-align: center;
    padding: 28px;
    gap: 24px;
    margin-bottom: 32px;
  }

  .guest-speaker-card {
    display: block;
    width: 100%;
  }

  .featured-speaker-image .speaker-photo {
    width: 150px;
    height: 150px;
  }

  .featured-speaker-info h3 {
    font-size: 1.4rem;
  }

  .featured-role {
    font-size: 0.9rem;
  }

  .featured-bio {
    font-size: 0.9rem;
  }

  .featured-credentials {
    justify-content: center;
  }

  .featured-credential {
    font-size: 12px;
    padding: 6px 12px;
  }

  .guest-speakers-header h3 {
    font-size: 1rem;
    letter-spacing: 1px;
  }

  .header-line {
    width: 40px;
  }

  .guest-speakers-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .guest-speakers-grid .guest-speaker-card:last-child {
    grid-column: span 1;
    max-width: 100%;
  }

  .guest-image-wrapper {
    height: 250px;
  }

  .guest-photo {
    object-position: top center;
  }

  .guest-info {
    padding: 16px;
  }

  .guest-bio {
    font-size: 0.8rem;
  }

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

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