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

:root {
  --primary: #1a56db;
  --primary-dark: #1240a8;
  --primary-light: #e8eefb;
  --accent: #0ea5e9;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --gray-900: #111827;
  --gray-700: #374151;
  --gray-500: #6b7280;
  --gray-300: #d1d5db;
  --gray-100: #f3f4f6;
  --white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 6px 10px rgba(0,0,0,0.08);
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  color: var(--gray-700);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--dark);
  line-height: 1.2;
  font-weight: 700;
}

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

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

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

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-tag {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--gray-500);
  font-size: 1.1rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-nav {
  padding: 8px 20px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-sm);
}

.btn-nav:hover {
  background: var(--primary-dark);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
}

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

.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  padding: 12px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
}

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

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

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

.navbar.scrolled .logo-text {
  color: var(--dark);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: var(--transition);
}

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

.navbar.scrolled .nav-links a {
  color: var(--gray-700);
}

.navbar.scrolled .nav-links a:hover {
  color: var(--dark);
}

.navbar.scrolled .nav-links .btn-nav {
  color: var(--white);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--dark) 0%, #1a237e 50%, #0d47a1 100%);
  z-index: -2;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(26,86,219,0.3) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 20%, rgba(14,165,233,0.2) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: 3.75rem;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

/* ===== About ===== */
.about {
  background: var(--gray-100);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.about-card {
  background: var(--white);
  padding: 40px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.about-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-radius: 10px;
  margin-bottom: 20px;
}

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

.about-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.about-card p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== Approach ===== */
.approach-steps {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--gray-300);
  align-items: flex-start;
}

.step:last-child {
  border-bottom: none;
}

.step-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  min-width: 64px;
}

.step-content h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== Features ===== */
.features {
  background: var(--gray-100);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 840px;
  margin: 0 auto;
}

.feature-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-radius: 10px;
  margin-bottom: 18px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--gray-500);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== Team ===== */
.team-summary {
  max-width: 720px;
  margin: 0 auto;
}

.team-summary-card {
  background: var(--white);
  padding: 48px 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.team-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.badge {
  display: inline-block;
  padding: 8px 20px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 999px;
}

.team-summary-text {
  color: var(--gray-700);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 28px;
}

.team-incubation {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--gray-700);
}

.team-incubation svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
  flex-shrink: 0;
}

.team-incubation strong {
  color: var(--dark);
}

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, var(--dark) 0%, #1a237e 100%);
  text-align: center;
}

.cta-content h2 {
  color: var(--white);
  font-size: 2.25rem;
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 32px;
}

/* ===== Contact ===== */
.contact-info-centered {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}

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

.contact-item svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

.contact-item a {
  color: var(--primary);
  transition: var(--transition);
}

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

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  padding: 64px 0 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 32px;
}

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

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  font-size: 0.8rem;
}

.footer-bottom p {
  margin-bottom: 8px;
}

.disclaimer {
  color: rgba(255,255,255,0.35);
  font-size: 0.75rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .hero h1 {
    font-size: 2.75rem;
  }

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

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

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 0;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    transition: var(--transition);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    color: var(--gray-700);
    padding: 12px 0;
    display: block;
    font-size: 1rem;
  }

  .nav-links .btn-nav {
    margin-top: 16px;
    text-align: center;
    color: var(--white);
  }

  .hero {
    min-height: auto;
    padding: 140px 0 80px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat-value {
    font-size: 1.2rem;
  }

  .about-grid,
  .features-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

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

  .contact-info-centered {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .footer-top {
    flex-direction: column;
    gap: 32px;
  }

  .cta-content h2 {
    font-size: 1.75rem;
  }
}