@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700&family=Outfit:wght@300;400;500;600&display=swap');

:root {
  --primary: #0E7490;
  --primary-light: #22D3EE;
  --accent: #ECFDF5;
  --dark-bg: #0F172A;
  --card-bg: #1E293B;
  --card-bg-hover: #253349;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --border-subtle: rgba(148, 163, 184, 0.1);
  --border-accent: rgba(14, 116, 144, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

/* ========== NAVIGATION ========== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s ease;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo svg {
  height: 36px;
  width: auto;
}

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

.nav-links a {
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  letter-spacing: 0.01em;
}

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

.nav-cta {
  background: var(--primary);
  color: var(--text-primary) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-weight: 500 !important;
  transition: background 0.2s ease, transform 0.2s ease !important;
}

.nav-cta:hover {
  background: #0C6680 !important;
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  border-radius: 2px;
}

.mobile-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== HERO ========== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 1.5rem 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(14, 116, 144, 0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(14, 116, 144, 0.08) 0%, transparent 50%);
  animation: heroGlow 12s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-2%, -1%) rotate(1deg); }
}

.node-grid {
  position: absolute;
  inset: 0;
  opacity: 0.12;
}

.node-grid svg {
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--border-accent);
  background: rgba(14, 116, 144, 0.08);
  font-size: 0.85rem;
  color: var(--primary-light);
  margin-bottom: 2rem;
  font-weight: 500;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 span {
  -webkit-text-fill-color: var(--primary-light);
  color: var(--primary-light);
}

.hero p {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

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

/* ========== BUTTONS ========== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: #0C6680;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(14, 116, 144, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: rgba(14, 116, 144, 0.05);
  transform: translateY(-2px);
}

.btn-arrow::after {
  content: '\2192';
  transition: transform 0.2s ease;
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ========== SECTIONS ========== */

.section {
  padding: 6rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-lg {
  padding: 8rem 1.5rem;
}

.section-full {
  padding: 6rem 1.5rem;
}

.section-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.section-header {
  margin-bottom: 4rem;
}

.section-header.center {
  text-align: center;
}

.section-header.center .section-subtitle {
  margin: 0 auto;
}

/* ========== CARDS ========== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.card:hover {
  background: var(--card-bg-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(14, 116, 144, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary-light);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ========== FEATURE SECTIONS ========== */

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4rem 0;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

.feature-visual {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.feature-visual::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 20px 20px 0 0;
}

.feature-content h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.feature-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-light);
  margin-top: 0.5rem;
}

/* ========== STEPS ========== */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  counter-increment: step;
  position: relative;
}

.step::before {
  content: counter(step);
  font-family: 'Sora', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(14, 116, 144, 0.2);
  margin-bottom: 1rem;
  display: block;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--primary-light);
}

.step p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ========== TRUST BAR ========== */

.trust-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.trust-item svg {
  width: 20px;
  height: 20px;
  color: var(--primary-light);
  flex-shrink: 0;
}

/* ========== CTA SECTION ========== */

.cta-section {
  text-align: center;
  padding: 6rem 1.5rem;
  position: relative;
}

.cta-box {
  max-width: 700px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--border-accent);
  border-radius: 24px;
  padding: 4rem 3rem;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.cta-box h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.cta-box p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.cta-email {
  color: var(--primary-light);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.cta-email:hover {
  color: var(--text-primary);
}

/* ========== FOOTER ========== */

.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 1.5rem 2rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 280px;
  line-height: 1.6;
}

.footer-brand svg {
  height: 32px;
  width: auto;
}

.footer-col h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.25rem 0;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* ========== DIVIDERS ========== */

.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 3px;
  margin-bottom: 2rem;
}

.divider.center {
  margin-left: auto;
  margin-right: auto;
}

/* ========== THREE-TIER VISUAL ========== */

.tier-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 700px;
  margin: 0 auto;
}

.tier {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.75rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: border-color 0.2s ease;
}

.tier:hover {
  border-color: var(--border-accent);
}

.tier-badge {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
}

.tier-badge.t1 { background: rgba(14, 116, 144, 0.2); color: var(--primary-light); }
.tier-badge.t2 { background: rgba(99, 102, 241, 0.15); color: #818CF8; }
.tier-badge.t3 { background: rgba(52, 211, 153, 0.15); color: #34D399; }

.tier-info h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.tier-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ========== SCROLL ANIMATIONS ========== */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ========== STATS ROW ========== */

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding: 3rem 0;
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: 'Sora', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 0.25rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ========== ABOUT PAGE ========== */

.about-story {
  max-width: 720px;
  font-size: 1.15rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.about-story p {
  margin-bottom: 1.5rem;
}

.about-story strong {
  color: var(--text-primary);
  font-weight: 600;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.value-card {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.75rem;
  transition: border-color 0.2s ease;
}

.value-card:hover {
  border-color: var(--border-accent);
}

.value-card h3 {
  font-size: 1.05rem;
  color: var(--primary-light);
  margin-bottom: 0.5rem;
}

.value-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ========== RESPONSIVE ========== */

@media (max-width: 1024px) {
  .feature-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .feature-row.reverse {
    direction: ltr;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border-subtle);
  }

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

  .mobile-toggle {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: 7rem 1.5rem 4rem;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

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

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

  .trust-bar {
    gap: 1.5rem;
  }

  .cta-box {
    padding: 3rem 1.5rem;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

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

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

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