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

:root {
  --primary: #1a56db;
  --primary-dark: #1e429f;
  --primary-light: #3b82f6;
  --secondary: #2563eb;
  --accent: #0ea5e9;
  --success: #059669;
  --warning: #f59e0b;

  /* Light Theme Colors */
  --bg: #f0f6ff;
  --bg2: #ffffff;
  --bg3: #e8f0fe;
  --bg4: #f8faff;

  --card: #ffffff;
  --card-border: #dbeafe;
  --card-hover-border: #3b82f6;

  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --white: #ffffff;

  --grad: linear-gradient(135deg, #1a56db, #2563eb, #3b82f6);
  --grad2: linear-gradient(135deg, #0ea5e9, #1a56db);
  --grad-soft: linear-gradient(135deg, #eff6ff, #dbeafe);
  --grad-hero: linear-gradient(135deg, #1e3a8a 0%, #1a56db 40%, #2563eb 70%, #0ea5e9 100%);

  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(26, 86, 219, 0.12);
  --shadow-card: 0 8px 40px rgba(26, 86, 219, 0.15);
  --shadow-hover: 0 16px 48px rgba(26, 86, 219, 0.22);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --font: 'Inter', sans-serif;
  --font2: 'Space Grotesk', sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4 {
  font-family: var(--font2);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

h1 {
  font-size: clamp(2rem, 6vw, 4rem);
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
}

h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
}

h4 {
  font-size: 1.05rem;
}

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

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

ul {
  list-style: none;
}

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 20px rgba(26, 86, 219, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 10px 32px rgba(26, 86, 219, 0.5);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: #fff;
  transform: translateY(-2px);
}

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

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

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ===== SECTION ===== */
.section {
  padding: 90px 0;
}

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

.section-header p {
  max-width: 600px;
  margin: 12px auto 0;
  font-size: 1.05rem;
}

.section-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 50px;
  background: #eff6ff;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 14px;
  border: 1px solid #bfdbfe;
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--delay, 0s);
}

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

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid #dbeafe;
  transition: var(--transition);
}

.header.scrolled {
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 24px rgba(26, 86, 219, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
}

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

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--grad);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
  flex-shrink: 0;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font2);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
}

.logo-accent {
  color: var(--primary);
}

.nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: #eff6ff;
}

.nav-link.active {
  color: var(--primary);
  background: #eff6ff;
  font-weight: 600;
}

.header-cta {
  margin-left: 12px;
  padding: 9px 22px;
  font-size: 0.9rem;
}

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

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

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

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
  background: var(--grad-hero);
}

.hero-bg-anim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 10% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 20%, rgba(14, 165, 233, 0.25) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent, transparent 80px, rgba(255, 255, 255, 0.03) 80px, rgba(255, 255, 255, 0.03) 81px),
    repeating-linear-gradient(90deg, transparent, transparent 80px, rgba(255, 255, 255, 0.03) 80px, rgba(255, 255, 255, 0.03) 81px);
  animation: gridMove 25s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: translateY(0);
  }

  100% {
    transform: translateY(80px);
  }
}

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

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  animation: floatUp linear infinite;
}

@keyframes floatUp {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }

  50% {
    opacity: 0.6;
  }

  100% {
    transform: translateY(-100px) scale(1);
    opacity: 0;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: 60px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }

  50% {
    box-shadow: 0 0 20px 4px rgba(255, 255, 255, 0.2);
  }
}

.hero-title {
  color: #fff;
  margin-bottom: 20px;
  animation: heroSlide 1s ease 0.3s both;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #bfdbfe, #e0f2fe, #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes heroSlide {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-sub {
  font-size: 1.15rem;
  max-width: 600px;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.85);
  animation: heroSlide 1s ease 0.5s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: heroSlide 1s ease 0.7s both;
}

.hero-stats {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 20px 32px;
  gap: 32px;
  backdrop-filter: blur(10px);
  animation: heroSlide 1s ease 0.9s both;
  width: fit-content;
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 10%;
  height: 80%;
  width: 1px;
  background: rgba(255, 255, 255, 0.2);
}

.stat-num {
  font-family: var(--font2);
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
}

.stat-item>span {
  font-size: 1.8rem;
  font-weight: 800;
  color: #bfdbfe;
}

.stat-item p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2px;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.hero-scroll-indicator span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  position: relative;
}

.hero-scroll-indicator span::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: #fff;
  border-radius: 2px;
  animation: scrollDot 2s infinite;
}

@keyframes scrollDot {
  0% {
    top: 6px;
    opacity: 1;
  }

  100% {
    top: 22px;
    opacity: 0;
  }
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(-8px);
  }
}

/* ===== ABOUT ===== */
.about {
  background: #fff;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.about-card {
  background: #fff;
  border: 1.5px solid #dbeafe;
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  box-shadow: 0 2px 16px rgba(26, 86, 219, 0.06);
}

.about-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}

.about-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 20px;
  box-shadow: 0 6px 20px rgba(26, 86, 219, 0.3);
}

.about-card h3 {
  color: var(--text);
  margin-bottom: 12px;
}

/* ===== HERO TAGLINE ===== */
.hero-tagline {
  font-family: var(--font2);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  color: #bfdbfe;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
  animation: heroSlide 1s ease 0.45s both;
}

/* ===== FOUNDER BANNER ===== */
.founder-banner {
  display: flex;
  align-items: center;
  gap: 32px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border: 1.5px solid #bfdbfe;
  border-radius: var(--radius);
  padding: 32px 36px;
  margin-bottom: 40px;
  box-shadow: 0 4px 24px rgba(26, 86, 219, 0.1);
  flex-wrap: wrap;
}

.founder-left {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.founder-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  box-shadow: 0 6px 20px rgba(26, 86, 219, 0.3);
  flex-shrink: 0;
}

.founder-info .founder-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  display: block;
  margin-bottom: 4px;
}

.founder-info h3 {
  color: var(--text);
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.founder-info p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.founder-info p strong {
  color: var(--primary);
}

.founder-right {
  flex: 1;
  min-width: 240px;
  border-left: 2px solid #bfdbfe;
  padding-left: 32px;
}

.founder-right p {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.8;
}

/* ===== OUR STORY ===== */
.our-story {
  background: #fff;
  border: 1.5px solid #dbeafe;
  border-radius: var(--radius);
  padding: 36px 40px;
  margin-bottom: 40px;
  box-shadow: 0 4px 24px rgba(26, 86, 219, 0.08);
  position: relative;
  overflow: hidden;
}

.our-story::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad);
}

.story-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.story-icon {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
}

.story-header h3 {
  color: var(--text);
  font-size: 1.4rem;
}

.our-story>p {
  font-size: 0.97rem;
  color: var(--text);
  line-height: 1.85;
  margin-bottom: 28px;
}

.our-story>p strong {
  color: var(--primary);
}

.story-milestones {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.milestone {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 220px;
  background: #f0f6ff;
  border: 1.5px solid #dbeafe;
  border-radius: 12px;
  padding: 16px 20px;
  transition: var(--transition);
}

.milestone:hover {
  border-color: var(--primary);
  background: #eff6ff;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(26, 86, 219, 0.12);
}

.milestone-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

.milestone div strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

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

/* ===== FOOTER TRUST LINE ===== */
.footer-trust {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #93c5fd;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px !important;
}

.footer-trust i {
  color: #60a5fa;
}

/* ===== COURSES ===== */
.courses {
  background: var(--bg);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.course-card {
  background: #fff;
  border: 1.5px solid #dbeafe;
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(26, 86, 219, 0.06);
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad);
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

.course-card:hover::before {
  transform: scaleX(1);
}

.course-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.course-card.featured {
  background: linear-gradient(145deg, #eff6ff, #dbeafe);
  border-color: var(--primary);
  box-shadow: 0 6px 32px rgba(26, 86, 219, 0.15);
}

.course-badge-top {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--grad);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.course-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  margin-bottom: 16px;
}

.course-icon.neet {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.35);
}

.course-icon.jee {
  background: linear-gradient(135deg, #1a56db, #1e429f);
  box-shadow: 0 6px 20px rgba(26, 86, 219, 0.35);
}

.course-icon.foundation {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

.course-tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 50px;
  background: #eff6ff;
  font-size: 0.75rem;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 600;
  border: 1px solid #bfdbfe;
}

.course-card h3 {
  color: var(--text);
  margin-bottom: 10px;
}

.course-card>p {
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.course-features {
  margin-bottom: 28px;
}

.course-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.88rem;
  color: var(--text);
  border-bottom: 1px solid #f1f5f9;
}

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

.course-features li i {
  color: var(--success);
  font-size: 0.85rem;
}

/* ===== WHY US ===== */
.why-us {
  background: #fff;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.why-card {
  background: #fff;
  border: 1.5px solid #dbeafe;
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(26, 86, 219, 0.05);
}

.why-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}

.why-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
  border: 1.5px solid #bfdbfe;
  transition: var(--transition);
}

.why-card:hover .why-icon {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(26, 86, 219, 0.3);
}

.why-card h4 {
  color: var(--text);
  margin-bottom: 8px;
}

.why-card p {
  font-size: 0.88rem;
}

/* ===== METHODOLOGY ===== */
.methodology {
  background: linear-gradient(135deg, #1e3a8a, #1a56db);
  position: relative;
  overflow: hidden;
}

.methodology::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) 41px);
}

.methodology .section-header {
  position: relative;
  z-index: 1;
}

.methodology .section-badge {
  background: rgba(255, 255, 255, 0.15);
  color: #bfdbfe;
  border-color: rgba(255, 255, 255, 0.2);
}

.methodology .section-header h2 {
  color: #fff;
}

.methodology .gradient-text {
  background: linear-gradient(135deg, #bfdbfe, #e0f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.methodology .section-header p {
  color: rgba(255, 255, 255, 0.75);
}

.method-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.method-step {
  flex: 1;
  min-width: 190px;
  max-width: 240px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(10px);
}

.method-step:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.step-num {
  font-family: var(--font2);
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.15);
  position: absolute;
  top: 12px;
  right: 16px;
}

.step-icon {
  width: 60px;
  height: 60px;
  border-radius: 15px;
  margin: 0 auto 16px;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.method-step h3 {
  color: #fff;
  margin-bottom: 10px;
  font-size: 1rem;
}

.method-step p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

.method-connector {
  width: 40px;
  height: 2px;
  background: rgba(255, 255, 255, 0.3);
  align-self: center;
  flex-shrink: 0;
  margin: 0 -4px;
}

/* ===== FACULTY ===== */
.faculty {
  background: var(--bg);
}

.faculty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.faculty-card {
  background: #fff;
  border: 1.5px solid #dbeafe;
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 2px 16px rgba(26, 86, 219, 0.06);
}

.faculty-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.faculty-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: #fff;
  box-shadow: 0 6px 24px rgba(26, 86, 219, 0.25);
}

.faculty-phys {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
}

.faculty-chem {
  background: linear-gradient(135deg, #1a56db, #1e429f);
}

.faculty-bio {
  background: linear-gradient(135deg, #10b981, #059669);
}

.faculty-math {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.faculty-card h4 {
  color: var(--text);
  margin-bottom: 4px;
}

.faculty-dept {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.faculty-exp {
  color: var(--success);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.faculty-card p {
  font-size: 0.88rem;
  margin-bottom: 16px;
}

.faculty-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.faculty-tags span {
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.72rem;
  background: #eff6ff;
  color: var(--primary);
  border: 1px solid #bfdbfe;
  font-weight: 600;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  background: linear-gradient(135deg, #eff6ff, #dbeafe, #e0f2fe);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: #fff;
  border: 1.5px solid #bfdbfe;
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(26, 86, 219, 0.08);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.quote-icon {
  font-size: 2rem;
  color: #bfdbfe;
  margin-bottom: 16px;
}

.testimonial-card>p {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.av1 {
  background: linear-gradient(135deg, #ec4899, #be185d);
}

.av2 {
  background: linear-gradient(135deg, #1a56db, #1e429f);
}

.av3 {
  background: linear-gradient(135deg, #10b981, #059669);
}

.testimonial-author strong {
  display: block;
  color: var(--text);
  font-size: 0.95rem;
}

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

.stars {
  color: var(--warning);
  font-size: 0.85rem;
  letter-spacing: 2px;
}

/* ===== FEATURES ===== */
.features {
  background: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.feature-item {
  background: #fff;
  border: 1.5px solid #dbeafe;
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(26, 86, 219, 0.05);
}

.feature-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  background: linear-gradient(145deg, #eff6ff, #fff);
}

.feature-item i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
  transition: var(--transition);
}

.feature-item:hover i {
  transform: scale(1.15);
}

.feature-item span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

/* ===== FAQ ===== */
.faq {
  background: var(--bg);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1.5px solid #dbeafe;
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(26, 86, 219, 0.05);
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 6px 24px rgba(26, 86, 219, 0.15);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  gap: 16px;
  transition: var(--transition);
}

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

.faq-question i {
  transition: var(--transition);
  color: var(--primary);
  flex-shrink: 0;
}

.faq-item.open .faq-question i {
  transform: rotate(180deg);
}

.faq-item.open .faq-question {
  color: var(--primary);
  background: #eff6ff;
}

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

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

/* ===== CONTACT ===== */
.contact {
  background: linear-gradient(135deg, #1e3a8a, #1a56db);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(14, 165, 233, 0.25) 0%, transparent 60%);
}

.contact .section-header {
  position: relative;
  z-index: 1;
}

.contact .section-badge {
  background: rgba(255, 255, 255, 0.15);
  color: #bfdbfe;
  border-color: rgba(255, 255, 255, 0.2);
}

.contact .section-header h2 {
  color: #fff;
}

.contact .gradient-text {
  background: linear-gradient(135deg, #bfdbfe, #e0f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact .section-header p {
  color: rgba(255, 255, 255, 0.75);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
  backdrop-filter: blur(10px);
}

.contact-item h4 {
  color: #fff;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.75);
}

.social-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.social-link {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.social-link:hover {
  background: #fff;
  border-color: #fff;
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.contact-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.contact-form h3 {
  color: var(--text);
  margin-bottom: 4px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: #f8faff;
  border: 1.5px solid #dbeafe;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #94a3b8;
}

.form-group select option {
  background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.12);
  background: #fff;
}

.form-success {
  display: none;
  padding: 14px 20px;
  background: rgba(5, 150, 105, 0.08);
  border: 1.5px solid rgba(5, 150, 105, 0.3);
  border-radius: var(--radius-sm);
  color: var(--success);
  font-size: 0.9rem;
  font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
  background: #0f172a;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-top {
  padding: 64px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
}

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand .logo-accent {
  color: #93c5fd;
}

.footer-brand p {
  font-size: 0.88rem;
  margin: 16px 0 20px;
  max-width: 280px;
  color: #94a3b8;
}

.footer-brand .social-link {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.1);
  color: #94a3b8;
}

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

.footer-col h4 {
  color: #fff;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  color: #94a3b8;
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: #93c5fd;
  padding-left: 4px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #94a3b8;
  font-size: 0.88rem;
}

.footer-contact li i {
  color: #93c5fd;
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-contact li a {
  color: #94a3b8;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.footer-contact li a:hover {
  color: #93c5fd;
}

.footer-contact li a i {
  color: #93c5fd;
  flex-shrink: 0;
}

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: #64748b;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad);
  border: none;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(26, 86, 219, 0.45);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  transform: translateY(-3px) scale(1.1);
}

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

/* ── Tablet (≤ 992px) ── */
@media (max-width: 992px) {

  /* Header */
  .header {
    padding: 12px 0;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  /* Methodology */
  .method-steps {
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .method-connector {
    display: none;
  }

  .method-step {
    min-width: 200px;
    max-width: 220px;
  }

  /* Founder */
  .founder-banner {
    flex-direction: column;
    gap: 20px;
    padding: 28px 24px;
  }

  .founder-right {
    border-left: none;
    border-top: 2px solid #bfdbfe;
    padding-left: 0;
    padding-top: 20px;
  }

  /* About grid */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Story milestones */
  .story-milestones {
    flex-direction: column;
  }

  .milestone {
    min-width: unset;
    width: 100%;
  }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {

  /* Header fixes */
  .header {
    padding: 10px 0;
  }

  .header-inner {
    gap: 12px;
    flex-wrap: nowrap;
    align-items: center;
  }

  /* Logo sizing */
  .logo {
    gap: 8px;
    flex-shrink: 0;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
  }

  .logo-img {
    height: 36px;
    width: auto;
    max-width: 36px;
    object-fit: contain;
  }

  .logo-text {
    display: none;
    /* Hide logo text on mobile as requested */
  }

  /* Mobile nav overlay */
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: calc(100vh - 58px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    z-index: 999;
    border-top: 1px solid #dbeafe;
    overflow-y: auto;
    padding-top: 24px;
    padding-bottom: 100px;
    /* Accounts for bottom safe area */
  }

  .nav.open {
    display: flex !important;
  }

  .nav-list {
    flex-direction: column;
    gap: 6px;
    padding: 24px 20px;
    width: 100%;
    max-width: 400px;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    font-size: 1.1rem;
    padding: 14px 20px;
    text-align: center;
    border-radius: 12px;
    display: block;
    width: 100%;
  }

  /* Hamburger */
  .hamburger {
    display: flex;
    margin-left: auto;
    flex-shrink: 0;
  }

  /* Hide desktop CTA */
  .header-cta {
    display: none;
  }

  /* Hero */
  .hero {
    padding-top: 70px;
  }

  .hero-content {
    padding: 40px 0;
    text-align: center;
  }

  .hero-badge {
    font-size: 0.78rem;
    padding: 7px 16px;
  }

  .hero-tagline {
    font-size: 1.1rem;
  }

  .hero-sub {
    font-size: 1rem;
    margin-bottom: 28px;
  }

  .hero-actions {
    justify-content: center;
    gap: 12px;
    margin-bottom: 36px;
  }

  .hero-stats {
    gap: 16px;
    padding: 16px 20px;
    justify-content: center;
    width: 100%;
  }

  /* Sections */
  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  /* Grids → single column on mobile */
  .courses-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .faculty-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .why-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
  }

  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 14px;
  }

  /* Methodology */
  .method-steps {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .method-step {
    min-width: unset;
    max-width: 100%;
    width: 100%;
  }

  /* Founder */
  .founder-banner {
    flex-direction: column;
    gap: 16px;
    padding: 24px 20px;
  }

  .founder-left {
    gap: 14px;
  }

  .founder-avatar {
    width: 64px;
    height: 64px;
    font-size: 1.6rem;
  }

  .founder-right {
    border-left: none;
    border-top: 2px solid #bfdbfe;
    padding-left: 0;
    padding-top: 16px;
    min-width: unset;
  }

  /* Our story */
  .our-story {
    padding: 28px 20px;
  }

  .story-milestones {
    flex-direction: column;
    gap: 12px;
  }

  .milestone {
    min-width: unset;
    width: 100%;
  }

  /* Contact form */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-form {
    padding: 28px 20px;
    gap: 16px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-top {
    padding: 48px 0;
  }

  .footer-brand p {
    max-width: 100%;
  }

  /* FAQ */
  .faq-question {
    padding: 16px 18px;
    font-size: 0.9rem;
  }

  .faq-answer p {
    padding: 0 18px 16px;
  }
}

/* ── Small phones (≤ 480px) ── */
@media (max-width: 480px) {

  /* Header */
  .header {
    padding: 8px 0;
  }

  .logo-text {
    font-size: 0.95rem;
  }

  .logo-icon,
  .logo-img {
    width: 32px;
    height: 32px;
    max-width: 32px;
  }

  /* Hero */
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    text-align: center;
    justify-content: center;
    width: 100%;
  }

  .hero-stats {
    flex-direction: column;
    gap: 8px;
    padding: 16px;
  }

  .stat-item::after {
    display: none;
  }

  .stat-num {
    font-size: 2rem;
  }

  /* Sections */
  .section {
    padding: 48px 0;
  }

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

  /* Grids → force single column */
  .courses-grid,
  .faculty-grid,
  .testimonial-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

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

  /* Cards padding */
  .course-card,
  .faculty-card,
  .why-card,
  .testimonial-card,
  .about-card {
    padding: 24px 18px;
  }

  /* Contact form */
  .contact-form {
    padding: 20px 16px;
  }

  /* Footer */
  .footer-top {
    padding: 36px 0;
  }

  /* Back to top */
  .back-to-top {
    bottom: 16px;
    right: 16px;
    width: 42px;
    height: 42px;
  }

  /* Our story */
  .our-story {
    padding: 22px 16px;
  }

  /* Founder */
  .founder-banner {
    padding: 20px 16px;
  }

  .founder-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}