:root {
  --teal: #0B4F6C;
  --teal-dark: #083A50;
  --teal-light: #1A6B8A;
  --green: #3EE07F;
  --green-dark: #22C55E;
  --white: #FFFFFF;
  --dark: #0D1B2A;
  --slate: #1E293B;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-400: #94A3B8;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-900: #0F172A;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Sora', system-ui, sans-serif;
  color: var(--slate);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

nav.dark-nav {
  background: rgba(11, 79, 108, 0.97);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s;
}

nav.dark-nav .nav-links a { color: rgba(255,255,255,0.85); }

.nav-links a:hover {
  color: var(--teal);
  background: var(--gray-100);
}

nav.dark-nav .nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-links .dropdown { position: relative; }
.nav-links .dropdown > a { cursor: pointer; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 8px;
  min-width: 200px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block;
  color: var(--gray-700) !important;
  background: transparent !important;
  padding: 8px 12px !important;
  border-radius: 8px !important;
  font-size: 14px;
}
.dropdown-menu a:hover { background: var(--gray-50) !important; color: var(--teal) !important; }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(11,79,108,0.3); }

.btn-outline {
  border: 1.5px solid var(--teal);
  color: var(--teal);
  background: transparent;
}
.btn-outline:hover { background: var(--teal); color: var(--white); }

.btn-white {
  background: var(--white);
  color: var(--teal);
}
.btn-white:hover { background: var(--gray-100); transform: translateY(-1px); }

.btn-ghost {
  color: var(--gray-600);
  background: transparent;
  padding: 10px 16px;
}
.btn-ghost:hover { color: var(--teal); background: var(--gray-100); }

.btn-lg { padding: 14px 28px; font-size: 15px; border-radius: 10px; }
.btn-sm { padding: 7px 14px; font-size: 13px; }

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--teal-dark);
  padding: 100px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(62,224,127,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255,255,255,0.04) 0%, transparent 50%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* AI Network Animation */
#hero-canvas {
  position: absolute;
  inset: 0;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  margin-bottom: 32px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}

.hero h1 {
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 780px;
}

.hero h1 .accent { color: var(--green); }

.hero p {
  font-size: clamp(16px, 1.8vw, 20px);
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-top: 80px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}

.stat-item { }
.stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}
.stat-number .green { color: var(--green); }
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
}

/* SECTIONS */
.section {
  padding: 100px 24px;
}

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(11,79,108,0.08);
  border: 1px solid rgba(11,79,108,0.15);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--gray-600);
  max-width: 560px;
  line-height: 1.7;
}

.section-header {
  margin-bottom: 64px;
}

/* CARDS */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s;
}

.card:hover {
  border-color: var(--teal);
  box-shadow: 0 20px 60px rgba(11,79,108,0.1);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(11,79,108,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--teal);
}

.card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 10px;
}

.card p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.65;
}

/* GRID LAYOUTS */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

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

/* DARK SECTION */
.section-dark {
  background: var(--dark);
  color: var(--white);
}

.section-dark .section-title { color: var(--white); }
.section-dark .section-sub { color: rgba(255,255,255,0.6); }
.section-dark .section-badge {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: var(--green);
}
.section-dark .card {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.08);
}
.section-dark .card:hover {
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
}
.section-dark .card h3 { color: var(--white); }
.section-dark .card p { color: rgba(255,255,255,0.6); }
.section-dark .card-icon {
  background: rgba(255,255,255,0.1);
  color: var(--green);
}

/* GRAY SECTION */
.section-gray { background: var(--gray-50); }

/* FEATURE SPLIT */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

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

.feature-visual {
  background: var(--gray-100);
  border-radius: 20px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.feature-visual-dark {
  background: var(--teal-dark);
}

/* PRICING */
.pricing-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  padding: 40px;
  position: relative;
  transition: all 0.3s;
}

.pricing-card.featured {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(11,79,108,0.08);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--teal);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.price {
  font-size: 48px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.03em;
}

.price sup { font-size: 24px; vertical-align: top; margin-top: 12px; display: inline-block; }
.price span { font-size: 16px; font-weight: 400; color: var(--gray-400); }

.feature-list {
  list-style: none;
  margin: 24px 0 32px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-600);
  padding: 6px 0;
}

.feature-list li .check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(62,224,127,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--green-dark);
  font-size: 11px;
}

/* TESTIMONIALS */
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 32px;
}

.testimonial-text {
  font-size: 16px;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

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

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.author-name { font-size: 15px; font-weight: 600; color: var(--dark); }
.author-role { font-size: 13px; color: var(--gray-400); }

/* BLOG */
.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

.blog-image {
  height: 200px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.blog-image img { width: 100%; height: 100%; object-fit: cover; }

.blog-content { padding: 24px; }

.blog-tag {
  display: inline-block;
  background: rgba(11,79,108,0.08);
  color: var(--teal);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.blog-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 16px;
}

/* FOOTER */
footer {
  background: var(--gray-900);
  color: var(--white);
  padding: 80px 24px 40px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand img { height: 32px; margin-bottom: 20px; }
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p { font-size: 14px; color: rgba(255,255,255,0.4); }

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

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: all 0.2s;
  font-size: 15px;
}

.social-links a:hover {
  background: var(--teal);
  color: var(--white);
}

/* PAGE HERO (non-homepage) */
.page-hero {
  padding: 140px 24px 80px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.page-hero-dark {
  background: var(--teal-dark);
  border-bottom: none;
}

.page-hero-dark .hero-badge { display: inline-flex; }
.page-hero-dark h1 { color: var(--white); }
.page-hero-dark p { color: rgba(255,255,255,0.7); }

/* MOBILE NAV */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all 0.3s;
}

nav.dark-nav .mobile-menu-btn span { background: var(--white); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 68px;
  background: var(--white);
  z-index: 99;
  padding: 24px;
  overflow-y: auto;
}

.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--dark);
  text-decoration: none;
  border-bottom: 1px solid var(--gray-100);
}

/* FORM */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.form-input {
  width: 100%;
  padding: 11px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: 14px;
  color: var(--dark);
  transition: border-color 0.2s;
  outline: none;
  background: var(--white);
}
.form-input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(11,79,108,0.1); }
textarea.form-input { resize: vertical; min-height: 120px; }
select.form-input { cursor: pointer; }

/* TAG */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  background: var(--gray-100);
  color: var(--gray-600);
}

.tag.green { background: rgba(62,224,127,0.15); color: #15803D; }
.tag.teal { background: rgba(11,79,108,0.1); color: var(--teal); }

/* CTA SECTION */
.cta-section {
  background: var(--teal);
  color: var(--white);
  padding: 100px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(62,224,127,0.12) 0%, transparent 70%);
}

.cta-section .section-inner { position: relative; }

.cta-section h2 {
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  max-width: 500px;
  margin: 0 auto 40px;
}

/* ACCORDION */
.accordion-item {
  border-bottom: 1px solid var(--gray-200);
}

.accordion-btn {
  width: 100%;
  text-align: left;
  padding: 20px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.accordion-btn:hover { color: var(--teal); }

.accordion-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  transition: all 0.3s;
}

.accordion-item.open .accordion-icon {
  background: var(--teal);
  color: var(--white);
  transform: rotate(45deg);
}

.accordion-content {
  display: none;
  padding-bottom: 20px;
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.7;
}

.accordion-item.open .accordion-content { display: block; }

/* BREADCRUMB */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 24px;
}

.breadcrumb a { color: var(--gray-400); text-decoration: none; }
.breadcrumb a:hover { color: var(--teal); }
.breadcrumb .sep { font-size: 11px; }

/* STEP */
.step-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .feature-split { grid-template-columns: 1fr; gap: 48px; }
  .feature-split.reverse { direction: ltr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta .btn:not(.btn-primary) { display: none; }
  .mobile-menu-btn { display: flex; }

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

  .hero-stats { gap: 32px; }
  .stat-number { font-size: 26px; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}