:root {
  --primary: #2c7a7b;
  --primary-dark: #234e52;
  --primary-light: #4fd1c5;
  --secondary: #3182ce;
  --accent: #81e6d9;
  --bg: #f7fafc;
  --bg-alt: #edf2f7;
  --text: #1a202c;
  --text-muted: #4a5568;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --max-width: 1200px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--primary-dark);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header / Navigation */
.header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  box-shadow: 0 4px 10px rgba(44, 122, 123, 0.25);
  flex-shrink: 0;
  transition: var(--transition);
}

.logo-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.logo:hover .logo-icon {
  transform: rotate(-4deg) scale(1.05);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

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

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

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: white;
  color: var(--primary);
  border-color: var(--primary);
}

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

/* Hero */
.hero {
  background: linear-gradient(135deg, #e6fffa 0%, #ebf8ff 100%);
  padding: 5rem 0 6rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(79, 209, 197, 0.2), transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(49, 130, 206, 0.1), transparent 70%);
  border-radius: 50%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: var(--primary-dark);
}

.hero-text h1 span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-card {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.hero-card-large {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.hero-illustration {
  width: 100%;
  height: 380px;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-illustration svg {
  width: 80%;
  height: 80%;
}

.floating-card {
  position: absolute;
  background: white;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 600;
}

.floating-card-1 {
  top: 20px;
  left: -20px;
  animation: float 3s ease-in-out infinite;
}

.floating-card-2 {
  bottom: 20px;
  right: -20px;
  animation: float 3s ease-in-out infinite 1.5s;
}

.floating-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Sections */
.section {
  padding: 5rem 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  background: var(--accent);
  color: var(--primary-dark);
  padding: 0.3rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.15rem;
  color: var(--text-muted);
}

/* Audience Cards */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.audience-card {
  background: white;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.audience-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.audience-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.audience-icon svg {
  width: 32px;
  height: 32px;
  color: white;
}

.audience-card h3 {
  font-size: 1.5rem;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

.audience-card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.audience-list {
  list-style: none;
  margin-bottom: 1.5rem;
}

.audience-list li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text);
}

.audience-list li::before {
  content: '✓';
  width: 24px;
  height: 24px;
  background: var(--accent);
  color: var(--primary-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  text-align: center;
  padding: 2rem;
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: var(--bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.8rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
}

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

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

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

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.step h3 {
  font-size: 1.15rem;
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 4rem 0;
  text-align: center;
  border-radius: var(--radius);
  margin: 4rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1), transparent 70%);
  border-radius: 50%;
}

.cta-section h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  position: relative;
}

.cta-section p {
  font-size: 1.15rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  position: relative;
}

.cta-section .btn {
  background: white;
  color: var(--primary);
  position: relative;
}

.cta-section .btn:hover {
  background: var(--bg-alt);
  color: var(--primary-dark);
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, #e6fffa 0%, #ebf8ff 100%);
  padding: 4rem 0;
  text-align: center;
}

.page-header h1 {
  font-size: 3rem;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* Content sections */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.content-grid.reverse {
  direction: rtl;
}

.content-grid.reverse > * {
  direction: ltr;
}

.content-text h2 {
  font-size: 2rem;
  color: var(--primary-dark);
  margin-bottom: 1.5rem;
}

.content-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.content-text ul {
  list-style: none;
  margin-top: 1.5rem;
}

.content-text ul li {
  padding: 0.6rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--text);
}

.content-text ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 22px;
  height: 22px;
  background: var(--accent);
  color: var(--primary-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}

.content-image {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  border-radius: var(--radius);
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.content-image svg {
  width: 70%;
  height: auto;
}

/* Info Cards */
.info-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.info-card {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid var(--primary);
}

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

.info-card h3 {
  color: var(--primary-dark);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

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

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.value-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.value-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.value-icon svg {
  width: 36px;
  height: 36px;
  color: white;
}

.value-card h3 {
  color: var(--primary-dark);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

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

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-muted);
  font-weight: 500;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
}

.contact-info {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 3rem 2rem;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.contact-info::before {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.1), transparent 70%);
  border-radius: 50%;
}

.contact-info h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  position: relative;
}

.contact-info > p {
  margin-bottom: 2rem;
  opacity: 0.95;
  position: relative;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  margin-bottom: 0.25rem;
}

.contact-item a,
.contact-item span {
  color: white;
  opacity: 0.95;
}

/* Form */
.contact-form {
  background: white;
  padding: 3rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.form-group label span.required {
  color: #e53e3e;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(44, 122, 123, 0.1);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.form-checkbox input {
  width: auto;
  margin-top: 0.3rem;
}

.form-success {
  background: #c6f6d5;
  color: #22543d;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  display: none;
  border-left: 4px solid #38a169;
}

.form-success.show {
  display: block;
  animation: slideIn 0.4s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-error {
  color: #e53e3e;
  font-size: 0.85rem;
  margin-top: 0.25rem;
  display: none;
}

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

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #e53e3e;
}

/* Footer */
.footer {
  background: var(--primary-dark);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 1rem;
}

.footer-brand p {
  opacity: 0.85;
  max-width: 320px;
}

.footer h4 {
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
  color: white;
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 0.6rem;
}

.footer ul li a,
.footer ul li {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (max-width: 968px) {
  .hero-content,
  .content-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-text h1 {
    font-size: 2.4rem;
  }

  .audience-grid,
  .features-grid,
  .info-cards,
  .values-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    gap: 1rem;
  }

  .nav-links.open {
    display: flex;
  }

  .section-header h2,
  .page-header h1 {
    font-size: 2rem;
  }

  .contact-form {
    padding: 2rem;
  }

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

  .floating-card-1,
  .floating-card-2 {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 3rem 0 4rem;
  }

  .section {
    padding: 3rem 0;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

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

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