/* ========================================
   VidyaBricks — murthy.genbricks.io
   Stylesheet
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
  --primary: #0B2D6B;
  --secondary: #1565C0;
  --accent: #F4C542;
  --light: #EBF4FF;
  --white: #FFFFFF;
  --text-dark: #1A1A2E;
  --text-muted: #5A6A8A;
  --font-display: 'Playfair Display', serif;
  --font-body: 'DM Sans', sans-serif;
  --shadow-sm: 0 2px 8px rgba(11, 45, 107, 0.08);
  --shadow-md: 0 4px 20px rgba(11, 45, 107, 0.12);
  --shadow-lg: 0 8px 40px rgba(11, 45, 107, 0.16);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

/* ---------- Utility ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

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

.section-dark {
  background: linear-gradient(135deg, var(--primary), #061A3E);
  color: var(--white);
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--accent);
  margin: 16px auto 0;
  border-radius: 2px;
}

.section-title-light {
  color: var(--white);
}

.required {
  color: #E53935;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-align: center;
}

.btn-gold {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
}

.btn-gold:hover {
  background: #E5A100;
  border-color: #E5A100;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(244, 197, 66, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

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

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--white);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

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

.nav-cta {
  background: var(--accent);
  color: var(--primary) !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: #E5A100;
  color: var(--primary) !important;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

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

.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 120px 24px 60px;
  overflow: hidden;
  text-align: center;
}

/* Diagonal stripe overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 40px,
    rgba(255, 255, 255, 0.03) 40px,
    rgba(255, 255, 255, 0.03) 80px
  );
  pointer-events: none;
}

.hero-badge {
  position: absolute;
  top: 90px;
  right: 24px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.hero-heading {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-subtext {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 60px;
  padding: 24px 40px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-weight: 500;
}

.stat-icon {
  font-size: 1.3rem;
}

/* Particles */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: rgba(244, 197, 66, 0.5);
  border-radius: 50%;
  animation: float-particle 8s infinite ease-in-out;
}

.particle:nth-child(1) { top: 15%; left: 10%; animation-delay: 0s; animation-duration: 7s; }
.particle:nth-child(2) { top: 25%; left: 80%; animation-delay: 1s; animation-duration: 9s; width: 8px; height: 8px; }
.particle:nth-child(3) { top: 60%; left: 20%; animation-delay: 2s; animation-duration: 6s; }
.particle:nth-child(4) { top: 70%; left: 70%; animation-delay: 3s; animation-duration: 10s; width: 4px; height: 4px; }
.particle:nth-child(5) { top: 40%; left: 50%; animation-delay: 4s; animation-duration: 8s; width: 10px; height: 10px; background: rgba(255,255,255,0.2); }
.particle:nth-child(6) { top: 80%; left: 40%; animation-delay: 2.5s; animation-duration: 7.5s; }

@keyframes float-particle {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
  25% { transform: translate(20px, -30px) scale(1.2); opacity: 0.7; }
  50% { transform: translate(-15px, -60px) scale(0.8); opacity: 0.5; }
  75% { transform: translate(25px, -20px) scale(1.1); opacity: 0.6; }
}

/* ---------- MENTORS ---------- */
.mentors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.mentor-card {
  background: var(--white);
  border: 1px solid rgba(21, 101, 192, 0.12);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.mentor-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.mentor-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.avatar-initials {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
}

.mentor-avatar-photo {
  background: none !important;
  overflow: hidden;
  border: 3px solid var(--secondary);
}

.mentor-avatar-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.mentor-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.mentor-tagline {
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.mentor-bio {
  color: var(--text-dark);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 8px;
}

.mentor-bio-expanded {
  display: none;
  margin-bottom: 12px;
}

.mentor-bio-expanded.open {
  display: block;
}

.mentor-bio-expanded p {
  color: var(--text-dark);
  font-size: 0.95rem;
  line-height: 1.7;
}

.bio-toggle {
  background: none;
  border: none;
  color: var(--secondary);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  margin-bottom: 16px;
  transition: color var(--transition);
}

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

.mentor-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
}

.badge {
  background: var(--light);
  color: var(--secondary);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mentor-credentials {
  text-align: left;
  margin-bottom: 16px;
  padding: 0 8px;
}

.mentor-credentials li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.mentor-credentials li::before {
  content: '\2705';
  position: absolute;
  left: 0;
  top: 0;
}

.mentor-rating {
  font-size: 1.2rem;
  letter-spacing: 2px;
}

.mentors-divider {
  text-align: center;
  padding: 32px 0 0;
  border-top: 1px solid rgba(21, 101, 192, 0.15);
}

.mentors-divider p {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* ---------- PROGRAMS / SUBJECTS ---------- */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.program-card {
  background: var(--white);
  border: 1px solid rgba(21, 101, 192, 0.12);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.program-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.program-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.program-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.program-grades {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.program-details {
  padding-left: 0;
}

.program-details li {
  margin-bottom: 8px;
  font-size: 0.92rem;
  color: var(--text-dark);
  line-height: 1.5;
}

.subjects-banner {
  background: var(--primary);
  color: var(--white);
  padding: 28px 36px;
  border-radius: var(--radius);
  text-align: center;
}

.subjects-banner p {
  font-size: 1.05rem;
  line-height: 1.7;
  font-style: italic;
}

/* ---------- APPROACH ---------- */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.approach-illustration svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.pillar {
  display: flex;
  gap: 20px;
  margin-bottom: 36px;
}

.pillar:last-child {
  margin-bottom: 0;
}

.pillar-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light);
  border-radius: var(--radius-sm);
}

.pillar-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.pillar-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---------- SCHEDULE ---------- */
.schedule-table-wrapper {
  overflow-x: auto;
  margin-bottom: 32px;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.schedule-table thead {
  background: var(--primary);
  color: var(--white);
}

.schedule-table th {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: left;
}

.schedule-table td {
  padding: 16px 20px;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(21, 101, 192, 0.08);
}

.schedule-table tbody tr:hover {
  background: var(--light);
}

.highlight-row {
  background: rgba(244, 197, 66, 0.08);
}

.highlight-row:hover {
  background: rgba(244, 197, 66, 0.15) !important;
}

.free-tag {
  color: #2E7D32;
  font-size: 1rem;
}

.schedule-notes {
  text-align: center;
}

.pricing-note {
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.timezone-note {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ---------- TESTIMONIALS ---------- */
.testimonials-section {
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition), box-shadow var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-quote {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
  font-style: italic;
  margin-bottom: 24px;
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-info strong {
  font-size: 0.95rem;
  color: var(--primary);
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- BOOKING FORM ---------- */
.booking-form-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 2px solid #E0E8F5;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white);
  color: var(--text-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #E53935;
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 6px 12px;
  background: var(--light);
  border-radius: 20px;
  transition: background var(--transition);
}

.checkbox-label:hover {
  background: #D6E8FF;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  accent-color: var(--secondary);
}

.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 1.1rem;
  border: none;
  margin-top: 8px;
}

.btn-submit:hover {
  cursor: pointer;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form-success.show {
  display: block;
}

.form-success .success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.form-success p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(21, 101, 192, 0.12);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--white);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 18px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  text-align: left;
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--light);
}

.faq-icon {
  font-size: 1.4rem;
  font-weight: 300;
  transition: transform var(--transition);
  color: var(--secondary);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 18px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- CONTACT ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--accent);
}

.contact-item a {
  color: var(--white);
  font-size: 1.05rem;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.3);
  transition: text-decoration-color var(--transition);
}

.contact-item a:hover {
  text-decoration-color: var(--accent);
}

.contact-item p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.6;
}

.linkedin-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.linkedin-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--white) !important;
  font-size: 0.95rem;
  text-decoration: none !important;
  transition: color var(--transition);
}

.linkedin-link:hover {
  color: var(--accent) !important;
}

.linkedin-link svg {
  flex-shrink: 0;
}

.contact-form-wrapper {
  position: relative;
}

.contact-form .form-group label {
  color: var(--white);
}

.contact-form .form-group input,
.contact-form .form-group textarea {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.contact-form .form-group input::placeholder,
.contact-form .form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.contact-form .form-group input:focus,
.contact-form .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(244, 197, 66, 0.2);
}

.contact-form .form-success h3 {
  color: var(--white);
}

.contact-form-wrapper .form-success h3 {
  color: var(--white);
}

/* ---------- FOOTER ---------- */
.footer {
  background: #061A3E;
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-logo span {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
}

.footer-tagline {
  font-style: italic;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-links h4,
.footer-ecosystem h4 {
  font-family: var(--font-display);
  color: var(--white);
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

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

.footer-ecosystem a:hover {
  text-decoration: underline;
}

.footer-privacy {
  font-size: 0.8rem;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
}

/* ---------- Animations ---------- */
.animate-fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fade-in-up 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fade-in-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .mentors-grid {
    gap: 24px;
  }

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

  .approach-grid {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform 0.4s ease;
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .hero-heading {
    font-size: 2.2rem;
  }

  .hero-subtext {
    font-size: 1rem;
  }

  .hero-badge {
    position: relative;
    top: auto;
    right: auto;
    margin-bottom: 24px;
    display: inline-block;
  }

  .hero-stats {
    gap: 16px;
    padding: 16px 20px;
  }

  .stat-item {
    flex-basis: 40%;
    justify-content: center;
  }

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

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

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

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

  .approach-illustration {
    order: -1;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .booking-form-wrapper {
    padding: 24px;
  }

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

  /* Responsive table */
  .schedule-table thead {
    display: none;
  }

  .schedule-table,
  .schedule-table tbody,
  .schedule-table tr,
  .schedule-table td {
    display: block;
    width: 100%;
  }

  .schedule-table tr {
    margin-bottom: 16px;
    border: 1px solid rgba(21, 101, 192, 0.12);
    border-radius: var(--radius-sm);
    overflow: hidden;
  }

  .schedule-table td {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(21, 101, 192, 0.06);
  }

  .schedule-table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--primary);
    margin-right: 16px;
  }
}

@media (max-width: 375px) {
  .hero-heading {
    font-size: 1.8rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.7rem;
    margin-bottom: 32px;
  }

  .mentor-card {
    padding: 28px 20px;
  }

  .program-card {
    padding: 28px 20px;
  }
}
