/* ===== DALVE Design System ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Navy & Teal brand palette */
  --navy-900: #0a0e27;
  --navy-800: #0f1535;
  --navy-700: #151d44;
  --navy-600: #1b2654;
  --navy-500: #243068;
  --teal-500: #00d4aa;
  --teal-400: #00e6b8;
  --teal-300: #33f0cc;
  --teal-200: #80f5e0;
  --teal-glow: rgba(0, 212, 170, 0.25);

  /* Accent colors for products */
  --lumit-color: #4fc3f7;
  --youz-color: #ff7043;
  --vybe-color: #ab47bc;
  --vyonic-color: #66bb6a;
  --allin1-color: #ffd54f;

  /* Neutrals */
  --white: #ffffff;
  --gray-100: #f0f2f5;
  --gray-200: #d9dde5;
  --gray-300: #b0b8c9;
  --gray-400: #7a86a0;
  --gray-500: #4e5a73;

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 120px 0;
  --container-width: 1200px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Glassmorphism */
  --glass-bg: rgba(15, 21, 53, 0.6);
  --glass-border: rgba(0, 212, 170, 0.12);
  --glass-blur: 20px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--navy-900);
  color: var(--gray-200);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== Canvas Background ===== */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-medium);
}

.navbar.scrolled {
  background: rgba(10, 14, 39, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-300));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: var(--navy-900);
  font-family: var(--font-display);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 2px;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--gray-300);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--teal-400);
  background: rgba(0, 212, 170, 0.08);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--teal-500);
  border-radius: 2px;
}

.nav-cta {
  background: linear-gradient(135deg, var(--teal-500), var(--teal-300)) !important;
  color: var(--navy-900) !important;
  font-weight: 600 !important;
  padding: 10px 24px !important;
  border-radius: 10px !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--teal-glow);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

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

/* ===== Container ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ===== Section Base ===== */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--teal-400);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
}

.section-label .dot {
  width: 6px;
  height: 6px;
  background: var(--teal-500);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.section-title {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}

.section-title .highlight {
  background: linear-gradient(135deg, var(--teal-400), var(--teal-200));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray-400);
  max-width: 640px;
  line-height: 1.8;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(0, 212, 170, 0.06);
  border: 1px solid rgba(0, 212, 170, 0.15);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--teal-300);
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: var(--teal-500);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  margin-bottom: 28px;
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--teal-400), var(--teal-200), var(--lumit-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 20px;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Hero glow effects */
.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
}

.hero-glow-1 {
  top: -200px;
  left: -100px;
  background: var(--teal-500);
}

.hero-glow-2 {
  bottom: -200px;
  right: -100px;
  background: var(--lumit-color);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-500), var(--teal-300));
  color: var(--navy-900);
  box-shadow: 0 4px 20px var(--teal-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 170, 0.35);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--white);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(0, 212, 170, 0.1);
  border-color: var(--teal-500);
  color: var(--teal-400);
}

.btn-icon {
  font-size: 18px;
}

/* ===== Glass Cards ===== */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 36px;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.3), transparent);
}

.glass-card:hover {
  border-color: rgba(0, 212, 170, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ===== Product Cards ===== */
.product-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 40px;
  backdrop-filter: blur(var(--glass-blur));
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 24px 24px 0 0;
  transition: var(--transition-medium);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.product-card.lumit::before { background: linear-gradient(90deg, var(--lumit-color), transparent); }
.product-card.youz::before { background: linear-gradient(90deg, var(--youz-color), transparent); }
.product-card.vybe::before { background: linear-gradient(90deg, var(--vybe-color), transparent); }
.product-card.vyonic::before { background: linear-gradient(90deg, var(--vyonic-color), transparent); }

.product-card:hover.lumit { border-color: rgba(79, 195, 247, 0.3); }
.product-card:hover.youz { border-color: rgba(255, 112, 67, 0.3); }
.product-card:hover.vybe { border-color: rgba(171, 71, 188, 0.3); }
.product-card:hover.vyonic { border-color: rgba(102, 187, 106, 0.3); }

.product-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 24px;
  position: relative;
}

.product-icon.lumit { background: rgba(79, 195, 247, 0.12); color: var(--lumit-color); }
.product-icon.youz { background: rgba(255, 112, 67, 0.12); color: var(--youz-color); }
.product-icon.vybe { background: rgba(171, 71, 188, 0.12); color: var(--vybe-color); }
.product-icon.vyonic { background: rgba(102, 187, 106, 0.12); color: var(--vyonic-color); }

.product-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.product-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding: 4px 12px;
  border-radius: 6px;
}

.product-tag.lumit { background: rgba(79, 195, 247, 0.1); color: var(--lumit-color); }
.product-tag.youz { background: rgba(255, 112, 67, 0.1); color: var(--youz-color); }
.product-tag.vybe { background: rgba(171, 71, 188, 0.1); color: var(--vybe-color); }
.product-tag.vyonic { background: rgba(102, 187, 106, 0.1); color: var(--vyonic-color); }

.product-card p {
  color: var(--gray-400);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-300);
}

.product-features li .check {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
}

.product-features li .check.lumit { background: rgba(79, 195, 247, 0.12); color: var(--lumit-color); }
.product-features li .check.youz { background: rgba(255, 112, 67, 0.12); color: var(--youz-color); }
.product-features li .check.vybe { background: rgba(171, 71, 188, 0.12); color: var(--vybe-color); }
.product-features li .check.vyonic { background: rgba(102, 187, 106, 0.12); color: var(--vyonic-color); }

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
  margin-top: 8px;
}

.product-link.lumit { color: var(--lumit-color); }
.product-link.youz { color: var(--youz-color); }
.product-link.vybe { color: var(--vybe-color); }
.product-link.vyonic { color: var(--vyonic-color); }

.product-link:hover { gap: 14px; }

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

/* ===== Architecture Diagram ===== */
.arch-layers {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 900px;
  margin: 60px auto 0;
}

.arch-layer {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 28px 36px;
  display: flex;
  align-items: center;
  gap: 24px;
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.arch-layer:hover {
  border-color: rgba(0, 212, 170, 0.3);
  transform: scale(1.02);
}

.arch-layer-number {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.arch-layer.l4 .arch-layer-number { background: rgba(255, 213, 79, 0.15); color: var(--allin1-color); }
.arch-layer.l3 .arch-layer-number { background: rgba(0, 212, 170, 0.15); color: var(--teal-400); }
.arch-layer.l2 .arch-layer-number { background: rgba(79, 195, 247, 0.15); color: var(--lumit-color); }
.arch-layer.l1 .arch-layer-number { background: rgba(122, 134, 160, 0.15); color: var(--gray-300); }

.arch-layer-content h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.arch-layer-content p {
  font-size: 14px;
  color: var(--gray-400);
}

.arch-connector {
  width: 2px;
  height: 16px;
  margin: 0 auto;
  position: relative;
}

.arch-connector::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--teal-500), transparent);
}

/* ===== Stats Bar ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 80px;
}

.stat-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: var(--transition-medium);
}

.stat-item:hover {
  border-color: rgba(0, 212, 170, 0.25);
  transform: translateY(-4px);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--teal-400), var(--teal-200));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--gray-400);
  font-weight: 500;
}

/* ===== Core Services Grid ===== */
.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 32px;
  backdrop-filter: blur(var(--glass-blur));
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: rgba(0, 212, 170, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.service-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: rgba(0, 212, 170, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  color: var(--teal-400);
}

.service-card h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== Data Flow Section ===== */
.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 60px 0;
  flex-wrap: wrap;
}

.flow-node {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 24px 32px;
  text-align: center;
  min-width: 160px;
  transition: var(--transition-medium);
}

.flow-node:hover {
  border-color: rgba(0, 212, 170, 0.3);
  transform: scale(1.05);
}

.flow-node h5 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.flow-node p {
  font-size: 12px;
  color: var(--gray-400);
}

.flow-arrow {
  font-size: 24px;
  color: var(--teal-500);
  animation: arrow-pulse 1.5s ease-in-out infinite;
}

@keyframes arrow-pulse {
  0%, 100% { opacity: 1; transform: translateX(0); }
  50% { opacity: 0.5; transform: translateX(4px); }
}

/* ===== Timeline / Roadmap ===== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 60px auto 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--teal-500), var(--navy-700));
}

.timeline-item {
  padding-left: 72px;
  padding-bottom: 48px;
  position: relative;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: 15px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--navy-900);
  border: 3px solid var(--teal-500);
  z-index: 1;
}

.timeline-item.active .timeline-dot {
  background: var(--teal-500);
  box-shadow: 0 0 20px var(--teal-glow);
}

.timeline-content {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 28px 32px;
}

.timeline-phase {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--teal-400);
  margin-bottom: 8px;
}

.timeline-content h4 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.timeline-content ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-content ul li {
  font-size: 13px;
  color: var(--gray-300);
  padding: 4px 12px;
  background: rgba(0, 212, 170, 0.06);
  border: 1px solid rgba(0, 212, 170, 0.1);
  border-radius: 8px;
}

/* ===== Principles Grid ===== */
.principle-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 36px;
  text-align: center;
  transition: var(--transition-medium);
}

.principle-card:hover {
  border-color: rgba(0, 212, 170, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.principle-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(0, 212, 170, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 24px;
  color: var(--teal-400);
}

.principle-card h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.principle-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--glass-border);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 14px;
  margin-top: 16px;
  max-width: 300px;
  line-height: 1.7;
}

.footer-col h5 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul li a {
  text-decoration: none;
  color: var(--gray-400);
  font-size: 14px;
  transition: var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--teal-400);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid rgba(0, 212, 170, 0.08);
}

.footer-bottom p {
  font-size: 13px;
  color: var(--gray-500);
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(0, 212, 170, 0.06);
  border: 1px solid rgba(0, 212, 170, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background: rgba(0, 212, 170, 0.15);
  color: var(--teal-400);
  border-color: var(--teal-500);
}

/* ===== Page Header ===== */
.page-header {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header .hero-glow {
  opacity: 0.1;
}

.page-header-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--gray-400);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  transition: var(--transition-fast);
}

.page-header-back:hover { color: var(--teal-400); }

/* ===== Product Detail Pages ===== */
.product-hero {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.product-hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.product-hero-text h1 {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.1;
}

.product-hero-text p {
  font-size: 18px;
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: 32px;
}

.product-hero-visual {
  position: relative;
}

.product-hero-visual .mockup {
  width: 100%;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  padding: 24px;
  backdrop-filter: blur(20px);
}

/* ===== Feature Sections ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 32px;
  transition: var(--transition-medium);
}

.feature-card:hover {
  border-color: rgba(0, 212, 170, 0.25);
  transform: translateY(-4px);
}

.feature-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.feature-card h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta-section {
  text-align: center;
  padding: 100px 0 120px;
}

.cta-box {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.08), rgba(79, 195, 247, 0.05));
  border: 1px solid rgba(0, 212, 170, 0.15);
  border-radius: 32px;
  padding: 80px 60px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal-500), transparent);
}

.cta-box h2 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-box p {
  font-size: 18px;
  color: var(--gray-400);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Endpoint Section ===== */
.endpoint-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 700px;
  margin: 40px auto 0;
}

.endpoint-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: var(--transition-fast);
}

.endpoint-item:hover {
  border-color: rgba(0, 212, 170, 0.25);
}

.endpoint-method {
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(0, 212, 170, 0.1);
  color: var(--teal-400);
  flex-shrink: 0;
}

.endpoint-path {
  font-family: 'Space Grotesk', monospace;
  font-size: 15px;
  color: var(--white);
  font-weight: 500;
}

.endpoint-desc {
  font-size: 13px;
  color: var(--gray-400);
  margin-left: auto;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--navy-900);
}

::-webkit-scrollbar-thumb {
  background: var(--navy-600);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--navy-500);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 52px; }
  .section-title { font-size: 38px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .product-hero-content { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 39, 0.98);
    flex-direction: column;
    padding: 40px 20px;
    gap: 8px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 38px; }
  .hero p { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .section-title { font-size: 30px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .flow-diagram { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
  .section { padding: 80px 0; }
  .product-hero-text h1 { font-size: 38px; }
}
