:root {
  --navy: #050d1a;
  --navy-mid: #0b1a30;
  --navy-light: #133057;
  --amber: #ffb703;
  --amber-light: #ffd166;
  --amber-glow: rgba(255, 183, 3, 0.2);
  --white: #ffffff;
  --gray-100: #f8fafc;
  --gray-200: #e2e8f0;
  --gray-300: #e0e7ef;
  --gray-400: #b8c5d6;
  --gray-500: #8899ae;
  --gray-600: #5e7085;
  --green: #34d399;
  --red: #f87171;
  --blue: #60a5fa;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--navy);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 24px;
  background: rgba(5, 13, 26, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.3s;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--amber), #f97316);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 18px;
  color: var(--navy);
}

.nav-logo-text {
  font-weight: 800;
  font-size: 20px;
  color: var(--white);
  letter-spacing: -0.5px;
}

.nav-logo-text span { color: var(--amber); }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  list-style: none;
}

.nav-links a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-cta {
  background: linear-gradient(135deg, var(--amber), #f97316);
  color: var(--navy) !important;
  padding: 10px 20px;
  border-radius: 10px;
  font-weight: 700 !important;
  font-size: 13px !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255, 183, 3, 0.5);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 24px;
  cursor: pointer;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 183, 3, 0.12), transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.06), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--amber-glow);
  border: 1px solid rgba(255, 183, 3, 0.4);
  border-radius: 100px;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--amber);
  margin-bottom: 28px;
  animation: fadeInDown 0.8s ease;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.05;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, #ffb703, #ff8c00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--gray-400);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto 36px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.btn-primary {
  background: linear-gradient(135deg, var(--amber), #f97316);
  color: var(--navy);
  padding: 16px 32px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 183, 3, 0.5);
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  padding: 16px 32px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.15);
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.25);
}

/* Countdown */
.countdown-bar {
  display: flex;
  justify-content: center;
  gap: 20px;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.countdown-item {
  text-align: center;
}

.countdown-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  background: var(--navy-mid);
  border: 1px solid rgba(255, 183, 3, 0.25);
  border-radius: 12px;
  padding: 12px 18px;
  min-width: 64px;
  display: block;
  box-shadow: 0 0 20px rgba(255, 183, 3, 0.08);
}

.countdown-label {
  font-size: 11px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 8px;
  font-weight: 600;
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: var(--navy-mid);
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 40px 24px;
}

.stats-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 16px;
}

.stat-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: var(--gray-400);
  font-weight: 500;
}

/* ===== SECTIONS COMMON ===== */
.section {
  padding: 100px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--amber);
}

.section-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--gray-400);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 48px;
}

/* ===== HYBRID CLASSES ===== */
.hybrid-section {
  padding: 100px 24px;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-mid) 100%);
}

.hybrid-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.hybrid-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.hybrid-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 40px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.hybrid-card:hover {
  border-color: rgba(255, 183, 3, 0.5);
  background: rgba(255,255,255,0.07);
  transform: translateY(-4px);
}

.hybrid-card-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.badge-offline {
  background: rgba(52, 211, 153, 0.2);
  color: var(--green);
  border: 1px solid rgba(52, 211, 153, 0.4);
}

.badge-online {
  background: rgba(96, 165, 250, 0.2);
  color: var(--blue);
  border: 1px solid rgba(96, 165, 250, 0.4);
}

.hybrid-card h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 12px;
}

.hybrid-card p {
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 24px;
  font-size: 15px;
}

.hybrid-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hybrid-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-300);
}

.hybrid-features li .check {
  color: var(--green);
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

.location-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 183, 3, 0.15);
  border: 1px solid rgba(255, 183, 3, 0.35);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--amber);
  margin-top: 20px;
}

/* ===== PRODUCTS ===== */
.products-section {
  padding: 100px 24px;
  background: var(--navy);
}

.products-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.product-card {
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 18px;
  padding: 32px;
  position: relative;
  transition: all 0.3s;
}

.product-card:hover {
  border-color: rgba(255, 183, 3, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.product-card.featured {
  border-color: var(--amber);
  background: linear-gradient(135deg, rgba(255, 183, 3, 0.12), rgba(249, 115, 22, 0.06));
}

.product-tag {
  position: absolute;
  top: -10px;
  right: 20px;
  background: linear-gradient(135deg, var(--amber), #f97316);
  color: var(--navy);
  font-size: 11px;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.product-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-desc {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-includes {
  list-style: none;
  margin-bottom: 24px;
}

.product-includes li {
  font-size: 13px;
  color: var(--gray-300);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.product-includes li:last-child { border: none; }

.product-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
}

.price-current {
  font-size: 28px;
  font-weight: 900;
  color: var(--white);
}

.price-old {
  font-size: 16px;
  color: var(--gray-500);
  text-decoration: line-through;
}

.price-save {
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  background: rgba(52, 211, 153, 0.15);
  padding: 3px 8px;
  border-radius: 4px;
}

.product-btn {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
  text-decoration: none;
  display: block;
  border: none;
}

.product-btn-primary {
  background: linear-gradient(135deg, var(--amber), #f97316);
  color: var(--navy);
}

.product-btn-primary:hover {
  box-shadow: 0 4px 20px rgba(255, 183, 3, 0.5);
  transform: translateY(-1px);
}

.product-btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.15);
}

.product-btn-secondary:hover {
  background: rgba(255,255,255,0.14);
}

/* Free product */
.free-tag {
  background: rgba(52, 211, 153, 0.2);
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
}

/* ===== SUBJECTS ===== */
.subjects-section {
  padding: 100px 24px;
  background: var(--navy-mid);
}

.subjects-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.subjects-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.subject-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  transition: all 0.3s;
}

.subject-card:hover {
  border-color: rgba(255, 183, 3, 0.5);
  transform: translateY(-4px);
  background: rgba(255,255,255,0.08);
}

.subject-emoji {
  font-size: 36px;
  margin-bottom: 14px;
  display: block;
}

.subject-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.subject-card p {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ===== CUET GUIDE ===== */
.guide-section {
  padding: 100px 24px;
  background: var(--navy);
}

.guide-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.guide-card {
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s;
}

.guide-card:hover {
  border-color: rgba(255,255,255,0.2);
}

.guide-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.guide-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== CRASH COURSE ===== */
.crash-section {
  padding: 100px 24px;
  background: linear-gradient(135deg, var(--navy-mid), var(--navy));
  position: relative;
  overflow: hidden;
}

.crash-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at 80% 50%, rgba(255, 183, 3, 0.1), transparent 60%);
}

.crash-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.crash-card {
  background: rgba(255,255,255,0.05);
  border: 2px solid var(--amber);
  border-radius: 24px;
  padding: 56px 48px;
  margin-top: 40px;
}

.crash-card h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 32px;
  margin-bottom: 12px;
}

.crash-card .crash-sub {
  color: var(--gray-400);
  font-size: 17px;
  margin-bottom: 32px;
}

.crash-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.crash-feat {
  text-align: center;
  padding: 20px;
}

.crash-feat-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--amber);
}

.crash-feat-label {
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 4px;
}

/* ===== DU SECTION ===== */
.du-section {
  padding: 100px 24px;
  background: var(--navy-mid);
}

.du-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.du-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.du-step {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 28px;
  position: relative;
  text-align: center;
}

.du-step-num {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--amber), #f97316);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: var(--navy);
  margin: 0 auto 16px;
}

.du-step h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.du-step p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ===== TESTIMONIALS ===== */
.testimonials-section {
  padding: 100px 24px;
  background: var(--navy);
}

.testimonials-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 32px;
}

.testimonial-stars {
  color: var(--amber);
  font-size: 16px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 15px;
  color: var(--gray-300);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--amber), #f97316);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: var(--navy);
}

.testimonial-name {
  font-weight: 600;
  font-size: 14px;
}

.testimonial-info {
  font-size: 12px;
  color: var(--gray-500);
}

/* ===== FAQ ===== */
.faq-section {
  padding: 100px 24px;
  background: var(--navy-mid);
}

.faq-inner {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  gap: 16px;
}

.faq-question .faq-toggle {
  font-size: 20px;
  color: var(--amber);
  transition: transform 0.3s;
  flex-shrink: 0;
}

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

.faq-answer.open {
  max-height: 300px;
  padding-top: 16px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 100px 24px;
  background: var(--navy);
  text-align: center;
}

.cta-inner {
  max-width: 700px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 16px;
}

.cta-inner p {
  color: var(--gray-400);
  font-size: 17px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.email-capture {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto 24px;
}

.email-capture input {
  flex: 1;
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.15);
  background: var(--navy-mid);
  color: var(--white);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.3s;
}

.email-capture input::placeholder {
  color: var(--gray-500);
}

.email-capture input:focus {
  border-color: var(--amber);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s;
}

.social-link:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-2px);
}

.social-link.instagram { border-color: rgba(225, 48, 108, 0.5); }
.social-link.youtube { border-color: rgba(255, 0, 0, 0.5); }
.social-link.whatsapp { border-color: rgba(37, 211, 102, 0.5); }

/* ===== FOOTER ===== */
.footer {
  padding: 60px 24px 32px;
  background: var(--navy-mid);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

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

.footer-brand p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--gray-500);
  text-decoration: none;
  padding: 4px 0;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--gray-600);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: white;
  text-decoration: none;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.5);
  z-index: 999;
  transition: transform 0.3s;
}

.whatsapp-float:hover { transform: scale(1.1); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .du-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-num { font-size: 24px; }

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

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

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

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

  .crash-features { grid-template-columns: 1fr; gap: 16px; }
  .crash-card { padding: 36px 24px; }

  .du-steps { grid-template-columns: 1fr; }

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

  .email-capture { flex-direction: column; }

  .social-links { flex-direction: column; align-items: center; }

  .footer-top { grid-template-columns: 1fr; gap: 24px; }

  .countdown-bar { gap: 12px; }
  .countdown-num { font-size: 28px; padding: 10px 14px; min-width: 52px; }
}