*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #1B6BB5;
  --primary-dark: #1B4E9B;
  --primary-light: #4A90D9;
  --accent: #32E0C4;
  --dark: #0f172a;
  --gray-900: #1e293b;
  --gray-700: #334155;
  --gray-500: #64748b;
  --gray-300: #cbd5e1;
  --gray-100: #f1f5f9;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #1B4E9B 0%, #1B6BB5 50%, #4A90D9 100%);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-700);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 14px rgb(27 107 181 / 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgb(27 107 181 / 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline-white { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline-white:hover { background: var(--white); color: var(--primary); }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-full { width: 100%; }

/* WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25d366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgb(37 211 102 / 0.5);
  z-index: 1000;
  transition: transform 0.2s ease;
  animation: pulse 2s infinite;
}

.whatsapp-float:hover { transform: scale(1.1); }

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgb(37 211 102 / 0.5); }
  50% { box-shadow: 0 4px 30px rgb(37 211 102 / 0.8); }
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgb(255 255 255 / 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo { display: flex; align-items: center; text-decoration: none; }
.logo-img { height: 48px; width: auto; }

.nav { display: flex; gap: 28px; }
.nav a {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  font-size: 14px;
  transition: color 0.2s;
}
.nav a:hover { color: var(--primary); }

.header-cta { padding: 10px 20px; font-size: 14px; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #e8f2fc 0%, #f0f7ff 30%, #ffffff 70%);
  z-index: -1;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, rgb(74 144 217 / 0.1) 0%, transparent 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: var(--white);
  color: var(--primary);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.1;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px;
  color: var(--gray-500);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-300);
}

.stat strong { display: block; font-size: 28px; font-weight: 800; color: var(--dark); }
.stat span { font-size: 14px; color: var(--gray-500); }

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo {
  max-width: 320px;
  width: 100%;
  filter: drop-shadow(0 20px 40px rgb(27 78 155 / 0.15));
}

/* Sections */
.section-header { margin-bottom: 48px; }
.section-header.center { text-align: center; }

.section-tag {
  display: inline-block;
  background: #e8f2fc;
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 560px;
}

.section-header.center p { margin: 0 auto; }

.section-header a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.section-header a:hover { text-decoration: underline; }

/* Regions */
.regions {
  padding: 80px 0;
  background: var(--white);
}

.regions-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.region-tag {
  background: var(--gray-100);
  color: var(--primary-dark);
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  transition: all 0.2s;
}

.region-tag:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* Services */
.services { padding: 100px 0; background: var(--gray-100); }

.staff-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.staff-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--gray-100);
}

.staff-card.featured {
  background: var(--gradient);
  color: var(--white);
  border: none;
}

.staff-card.featured h3,
.staff-card.featured p,
.staff-card.featured li { color: var(--white); }

.staff-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.staff-badge.student { background: #e8f2fc; color: var(--primary); }
.staff-badge.pro { background: rgb(255 255 255 / 0.2); color: var(--white); }

.staff-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.staff-card p { font-size: 14px; color: var(--gray-500); margin-bottom: 16px; }

.staff-card ul { list-style: none; }
.staff-card li {
  padding: 4px 0 4px 20px;
  position: relative;
  font-size: 14px;
}

.staff-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
}

.staff-card.featured li::before { color: var(--white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.service-icon { font-size: 36px; margin-bottom: 12px; }
.service-card h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.service-card p { font-size: 14px; color: var(--gray-500); line-height: 1.5; }

/* Pricing */
.pricing { padding: 100px 0; background: var(--white); }

.pricing-table-wrap {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 32px;
}

.pricing-tier {
  background: var(--gradient);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: var(--white);
}

.pricing-tier-title {
  text-align: center;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.pricing-tier-title.pro { color: var(--white); }

.pricing-regions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.pricing-region-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: var(--dark);
}

.pricing-region-card h4 {
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.pricing-region-list {
  text-align: center;
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.5;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-100);
}

.pricing-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-100);
}

.pricing-option:last-child { border-bottom: none; }

.pricing-option span {
  font-size: 14px;
  color: var(--gray-700);
  font-weight: 500;
}

.pricing-option strong {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-dark);
  white-space: nowrap;
}

.pricing-notes {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
  padding: 0 8px;
}

.pricing-notes p {
  font-size: 14px;
  color: var(--gray-500);
  font-style: italic;
}

.pricing-secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.pricing-card {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}

.pricing-card.highlight {
  background: var(--gradient);
  color: var(--white);
}

.pricing-card.highlight h3,
.pricing-card.highlight .pricing-desc,
.pricing-card.highlight .pricing-note,
.pricing-card.highlight .pricing-row span,
.pricing-card.highlight .pricing-row strong { color: var(--white); }

.pricing-card.highlight .pricing-row {
  background: rgb(255 255 255 / 0.15);
}

.pricing-card:not(.highlight) .pricing-row {
  background: var(--gray-100);
}

.pricing-card:not(.highlight) .pricing-row span,
.pricing-card:not(.highlight) .pricing-row strong {
  color: var(--dark);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--accent);
  color: var(--dark);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
}

.pricing-card h3 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.pricing-desc { font-size: 15px; color: var(--gray-500); margin-bottom: 16px; }
.pricing-note { font-size: 13px; color: var(--gray-500); margin-top: 16px; }

.pricing-rows { display: flex; flex-direction: column; gap: 12px; }
.pricing-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: rgb(255 255 255 / 0.15);
  border-radius: var(--radius);
}

.pricing-row strong { font-size: 20px; }

.pricing-list {
  list-style: none;
  margin-bottom: 20px;
}

.pricing-list li {
  padding: 6px 0 6px 24px;
  position: relative;
  font-size: 14px;
  color: var(--gray-700);
}

.pricing-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
}

.pricing-extras {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.pricing-extras h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
}

.extras-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.extra-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--white);
  border-radius: var(--radius);
  font-size: 14px;
}

.extra-item strong { color: var(--primary); white-space: nowrap; margin-left: 12px; }
.pricing-info { font-size: 14px; color: var(--gray-500); font-style: italic; }

/* Why Us */
.why-us { padding: 100px 0; background: var(--gray-100); }

.why-us-grid {
  max-width: 720px;
}

.why-us-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 16px;
}

.why-us-content > p {
  font-size: 17px;
  color: var(--gray-500);
  margin-bottom: 32px;
}

.features-list { display: flex; flex-direction: column; gap: 24px; }

.feature { display: flex; gap: 16px; }

.feature-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.feature h4 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.feature p { font-size: 14px; color: var(--gray-500); }

/* FAQ */
.faq { padding: 100px 0; background: var(--white); }

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-100);
}

.faq-item summary {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 16px;
  color: var(--dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 20px;
  color: var(--primary);
  transition: transform 0.2s;
}

.faq-item[open] summary::after { content: '−'; }

.faq-item p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.6;
}

/* How It Works */
.how-it-works { padding: 100px 0; background: var(--gray-100); }

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
}

.step {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 32px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
}

.step-number {
  width: 56px;
  height: 56px;
  background: var(--gradient);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  margin: 0 auto 20px;
}

.step h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--gray-500); }
.step-arrow { font-size: 24px; color: var(--primary); padding-top: 48px; }

/* CTA */
.cta-section { padding: 80px 0; }

.cta-box {
  background: var(--gradient);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  color: var(--white);
}

.cta-box h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-box p {
  font-size: 17px;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Contact */
.contact { padding: 100px 0; background: var(--white); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-info h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
}

.contact-info > p { color: var(--gray-500); margin-bottom: 32px; }

.contact-items { display: flex; flex-direction: column; gap: 16px; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--gray-100);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

.contact-item:hover { background: #e8f2fc; transform: translateX(4px); }
.contact-icon { font-size: 24px; flex-shrink: 0; }
.contact-item strong { display: block; font-size: 14px; color: var(--dark); }
.contact-item span { font-size: 14px; color: var(--gray-500); }

.contact-form {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 24px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  background: var(--white);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea { resize: vertical; min-height: 80px; }

/* Footer */
.footer {
  background: var(--dark);
  color: var(--gray-300);
  padding: 48px 0;
  text-align: center;
}

.footer-logo {
  height: 64px;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer > .container > p {
  font-size: 13px;
  margin-bottom: 20px;
  line-height: 1.8;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--gray-300);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--primary-light); }
.copyright { font-size: 13px; color: var(--gray-500); }

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .staff-types { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-regions { grid-template-columns: 1fr; }
  .pricing-secondary { grid-template-columns: 1fr; }
  .pricing-notes { flex-direction: column; }
  .pricing-grid { grid-template-columns: 1fr; }
  .why-us-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .extras-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-lg);
  }

  .nav.active { display: flex; }
  .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .hero-stats { gap: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); padding: 0; }
  .cta-box { padding: 48px 24px; }
  .contact-form { padding: 24px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .whatsapp-float { bottom: 16px; right: 16px; width: 54px; height: 54px; }
}
