/* ========================================
   BOSTON USA Spoken English - Main Stylesheet
   ======================================== */

/* ===== CSS Variables ===== */
:root {
  --primary: #1E3A5F;
  --primary-dark: #152a45;
  --secondary: #F4A261;
  --secondary-light: #f7b97a;
  --accent: #E76F51;
  --bg-light: #F8F9FA;
  --bg-dark: #0D1B2A;
  --text-primary: #2D3748;
  --text-secondary: #64748B;
  --text-light: #FFFFFF;
  --success: #2A9D8F;
  --warning: #E9C46A;
  --border: #E2E8F0;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-fast: 200ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 400ms ease-out;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-light);
}

.btn-primary:hover {
  background: #d45a3d;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(231, 111, 81, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--text-light);
  border: 2px solid var(--text-light);
}

.btn-secondary:hover {
  background: var(--text-light);
  color: var(--primary);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: var(--text-light);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}

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

.section-dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--text-light);
}

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

.section-pattern {
  background: linear-gradient(135deg, #f8f9fa 0%, #eef1f5 100%);
  position: relative;
}

.section-pattern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231e3a5f' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.125rem;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
  padding: 12px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

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

.navbar.scrolled .nav-logo {
  color: var(--primary);
}

.nav-logo-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  position: relative;
  padding: 4px 0;
}

.navbar.scrolled .nav-links a {
  color: var(--text-primary);
}

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

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

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-cta .btn {
  padding: 10px 20px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-light);
  transition: all var(--transition-fast);
}

.navbar.scrolled .mobile-toggle span {
  background: var(--primary);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--primary);
  padding: 80px 24px 24px;
  transition: right var(--transition-normal);
  z-index: 999;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  color: var(--text-light);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--secondary);
}

.mobile-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
}

.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.overlay.active {
  opacity: 1;
}

/* ===== Hero Sections ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.95) 0%, rgba(13, 27, 42, 0.8) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--text-light);
  max-width: 700px;
}

.hero-content h1 {
  color: var(--text-light);
  margin-bottom: 24px;
}

.hero-content p {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  flex-wrap: wrap;
}

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

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--secondary);
}

.stat-label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
}

/* Split Hero for About */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-split-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-split-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.hero-split-image::after {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 100%;
  height: 100%;
  border: 3px solid var(--secondary);
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* Banner Hero */
.hero-banner {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--bg-dark) 100%);
  text-align: center;
}

.hero-banner h1 {
  color: var(--text-light);
  margin-bottom: 16px;
}

.hero-banner p {
  color: rgba(255,255,255,0.8);
  font-size: 1.25rem;
}

/* ===== Marquee ===== */
.marquee-container {
  background: linear-gradient(90deg, var(--secondary) 0%, var(--secondary-light) 100%);
  padding: 16px 0;
  overflow: hidden;
}

.marquee {
  display: flex;
  animation: marquee 40s linear infinite;
}

.marquee:hover {
  animation-play-state: paused;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 48px;
  padding: 0 24px;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
}

.marquee-item svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.marquee-separator {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0.3;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Brand Marquee */
.brands-marquee {
  background: var(--text-light);
  padding: 40px 0;
  overflow: hidden;
}

.brands-marquee .marquee-content {
  gap: 60px;
}

.brand-item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 20px;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: all var(--transition-fast);
}

.brand-item:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.brand-item img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.brand-item-text {
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ===== Cards ===== */
.card {
  background: var(--text-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

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

.card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: 24px;
}

.card-content h4 {
  margin-bottom: 8px;
}

.card-content p {
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.card-link:hover svg {
  transform: translateX(4px);
}

/* Service Cards */
.service-card {
  text-align: center;
  padding: 32px 24px;
}

.service-card .card-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
}

.service-card .card-icon svg {
  width: 32px;
  height: 32px;
}

/* Course Cards */
.course-card .card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 12px;
  background: var(--accent);
  color: var(--text-light);
  font-family: 'Poppins', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.course-card .card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.course-card .card-meta svg {
  width: 16px;
  height: 16px;
}

.course-card h4 {
  margin-bottom: 8px;
}

.course-card .card-features {
  margin-bottom: 20px;
}

.course-card .card-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.course-card .card-features svg {
  width: 16px;
  height: 16px;
  color: var(--success);
  flex-shrink: 0;
}

.course-card .card-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
}

.course-card .card-price .price {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
}

.course-card .card-price .price-old {
  font-size: 1rem;
  color: var(--text-secondary);
  text-decoration: line-through;
}

/* Pricing Cards */
.pricing-card {
  padding: 32px;
  text-align: center;
  position: relative;
}

.pricing-card.popular {
  border: 2px solid var(--accent);
  transform: scale(1.02);
}

.pricing-card.popular .popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: var(--accent);
  color: var(--text-light);
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 20px;
}

.pricing-card h4 {
  margin-bottom: 8px;
}

.pricing-card .price {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
}

.pricing-card .price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.pricing-card .features {
  margin-bottom: 24px;
  text-align: left;
}

.pricing-card .features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

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

.pricing-card .features svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex-shrink: 0;
}

.pricing-card .features svg.disabled {
  color: var(--text-secondary);
  opacity: 0.4;
}

/* Testimonial Cards */
.testimonial-card {
  padding: 28px;
}

.testimonial-card .quote-icon {
  width: 48px;
  height: 48px;
  color: var(--secondary);
  opacity: 0.3;
  margin-bottom: 16px;
}

.testimonial-card p {
  font-size: 1rem;
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.8;
}

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

.testimonial-author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author-info h5 {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.testimonial-author-info span {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-top: 12px;
}

.testimonial-stars svg {
  width: 16px;
  height: 16px;
  color: var(--warning);
  fill: var(--warning);
}

/* Team Cards */
.team-card {
  text-align: center;
}

.team-card .card-image {
  height: 280px;
}

.team-card .card-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(transparent, rgba(0,0,0,0.4));
}

.team-card h4 {
  margin-bottom: 4px;
}

.team-card .role {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Video Cards */
.video-card {
  cursor: pointer;
}

.video-card .card-image {
  height: 180px;
}

.video-card .play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: all var(--transition-fast);
}

.video-card .play-btn svg {
  width: 24px;
  height: 24px;
  margin-left: 3px;
}

.video-card:hover .play-btn {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 0 0 12px rgba(231, 111, 81, 0.2);
}

.video-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.video-card .views {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Feature Cards */
.feature-card {
  padding: 28px;
  text-align: center;
}

.feature-card svg {
  width: 48px;
  height: 48px;
  color: var(--secondary);
  margin-bottom: 16px;
}

.feature-card h4 {
  margin-bottom: 8px;
}

/* Contact Cards */
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
}

.contact-card svg {
  width: 24px;
  height: 24px;
  color: var(--secondary);
  flex-shrink: 0;
  margin-top: 4px;
}

.contact-card h4 {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  margin-bottom: 4px;
}

/* ===== Grid Layouts ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ===== Stats Section ===== */
.stats-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--bg-dark) 100%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-box {
  text-align: center;
  padding: 32px;
}

.stat-box svg {
  width: 48px;
  height: 48px;
  color: var(--secondary);
  margin-bottom: 16px;
}

.stat-box h3 {
  color: var(--text-light);
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.stat-box p {
  color: rgba(255,255,255,0.8);
  font-family: 'Poppins', sans-serif;
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--accent) 0%, #d45a3d 100%);
  text-align: center;
  padding: 80px 0;
}

.cta-section h2 {
  color: var(--text-light);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255,255,255,0.9);
  font-size: 1.125rem;
  margin-bottom: 32px;
}

/* ===== Process Steps ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 40px;
  right: -12px;
  width: 24px;
  height: 2px;
  background: var(--secondary);
}

.process-step:last-child::after {
  display: none;
}

.process-number {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  position: relative;
  z-index: 1;
}

.process-step h4 {
  margin-bottom: 8px;
}

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

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
}

.faq-question svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

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

.faq-answer p {
  padding-bottom: 20px;
}

/* ===== Forms ===== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--text-light);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
}

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

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-error {
  font-size: 0.85rem;
  color: var(--accent);
  margin-top: 6px;
}

/* ===== Video Player ===== */
.video-player {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.video-player-image {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.video-player-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(transparent 50%, rgba(0,0,0,0.7));
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-player .play-btn-large {
  width: 100px;
  height: 100px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: all var(--transition-fast);
}

.video-player .play-btn-large svg {
  width: 40px;
  height: 40px;
  margin-left: 5px;
}

.video-player:hover .play-btn-large {
  transform: scale(1.1);
  box-shadow: 0 0 0 16px rgba(231, 111, 81, 0.2);
}

.video-player-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  color: var(--text-light);
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--text-light);
  border: 2px solid var(--border);
  border-radius: 30px;
  transition: all var(--transition-fast);
}

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

.tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-light);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: grid;
}

/* ===== Map ===== */
.map-section {
  background: var(--bg-light);
  padding: 0;
}

.map-placeholder {
  height: 400px;
  background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.map-placeholder svg {
  width: 80px;
  height: 80px;
  color: var(--text-secondary);
  opacity: 0.5;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand .nav-logo {
  margin-bottom: 20px;
}

.footer-brand p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 24px;
  line-height: 1.8;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--secondary);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

.footer-column h4 {
  color: var(--text-light);
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.footer-newsletter p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
}

.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-size: 0.95rem;
}

.newsletter-form input::placeholder {
  color: rgba(255,255,255,0.5);
}

.newsletter-form button {
  padding: 12px 20px;
  background: var(--secondary);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.newsletter-form button:hover {
  background: var(--secondary-light);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-contact-item svg {
  width: 20px;
  height: 20px;
  color: var(--secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item p {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}

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

/* ===== WhatsApp Button ===== */
.whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 900;
  transition: all var(--transition-fast);
  animation: pulse 2s infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
  width: 32px;
  height: 32px;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
}

/* ===== Chatbot ===== */
.chatbot-btn {
  position: fixed;
  bottom: 24px;
  right: 100px;
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-lg);
  z-index: 900;
  transition: all var(--transition-fast);
}

.chatbot-btn:hover {
  transform: scale(1.1);
}

.chatbot-btn svg {
  width: 28px;
  height: 28px;
}

.chatbot-window {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 360px;
  max-height: 500px;
  background: var(--text-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 901;
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.chatbot-window.active {
  display: flex;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chatbot-header {
  background: var(--primary);
  color: var(--text-light);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chatbot-header h4 {
  color: var(--text-light);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
}

.chatbot-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  opacity: 0.8;
}

.chatbot-close:hover {
  opacity: 1;
}

.chatbot-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chatbot-message {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.chatbot-message.bot {
  background: var(--bg-light);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chatbot-message.user {
  background: var(--primary);
  color: var(--text-light);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chatbot-options {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chatbot-option {
  padding: 8px 16px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.chatbot-option:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-light);
}

/* ===== Featured Video Section ===== */
.featured-video {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

.featured-video-content blockquote {
  font-size: 1.5rem;
  font-style: italic;
  color: var(--primary);
  line-height: 1.6;
  margin-bottom: 24px;
  position: relative;
  padding-left: 24px;
  border-left: 4px solid var(--secondary);
}

.featured-video-content cite {
  font-style: normal;
}

.featured-video-content cite strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.featured-video-content cite span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ===== Responsive Design ===== */
@media (max-width: 1199px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .process-step::after {
    display: none;
  }

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

@media (max-width: 991px) {
  .section {
    padding: 60px 0;
  }

  .hero-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-split-image {
    order: -1;
  }

  .featured-video {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card.popular {
    transform: scale(1);
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta .btn {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .overlay {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero-stats {
    gap: 24px;
  }

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

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .stat-box {
    padding: 20px;
  }

  .stat-box h3 {
    font-size: 1.75rem;
  }

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

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .video-player-image {
    height: 300px;
  }

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

  .tabs {
    gap: 6px;
  }

  .tab-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }

  .chatbot-window {
    width: calc(100vw - 48px);
    right: 24px;
    left: 24px;
  }

  .whatsapp-btn {
    bottom: 16px;
    right: 16px;
    width: 52px;
    height: 52px;
  }

  .chatbot-btn {
    bottom: 16px;
    right: 80px;
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }

  .section {
    padding: 48px 0;
  }

  .btn {
    padding: 12px 20px;
    font-size: 0.9rem;
  }

  .btn-lg {
    padding: 14px 24px;
  }

  .card-content {
    padding: 20px;
  }

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