/* ===== CSS Variables ===== */
:root {
  --primary: #0F2B46;
  --primary-mid: #1B4F72;
  --primary-light: #3498DB;
  --primary-glow: #5DADE2;
  --accent: #00D68F;
  --accent-hover: #00B377;
  --accent-glow: rgba(0,214,143,0.25);
  --bg: #F7F9FC;
  --bg-alt: #EDF2F8;
  --bg-card: #FFFFFF;
  --text: #1E293B;
  --text-light: #64748B;
  --text-muted: #94A3B8;
  --white: #FFFFFF;
  --border: rgba(148,163,184,0.2);
  --border-card: rgba(148,163,184,0.15);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  --shadow: 0 4px 16px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 40px rgba(52,152,219,0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --max-width: 1200px;
  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: 80px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-mid); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.2; color: var(--primary); font-weight: 700; }

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

/* ===== Animated background blobs ===== */
.hero-bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: blobFloat 20s ease-in-out infinite;
  pointer-events: none;
}
.hero-bg-blob:nth-child(1) {
  width: 500px; height: 500px;
  background: var(--primary-light);
  top: -200px; left: -100px;
  animation-delay: 0s;
}
.hero-bg-blob:nth-child(2) {
  width: 400px; height: 400px;
  background: var(--accent);
  bottom: -150px; right: -100px;
  animation-delay: -7s;
  opacity: 0.25;
}
.hero-bg-blob:nth-child(3) {
  width: 300px; height: 300px;
  background: var(--primary-glow);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
  opacity: 0.2;
}
@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(15px, 30px) scale(1.02); }
}

/* ===== Header (glassmorphism) ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition), background var(--transition);
}
.header.scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: 0 4px 30px rgba(0,0,0,0.06);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary-mid), var(--primary-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(27,79,114,0.3);
}
.logo-text span { color: var(--primary-light); }

/* Nav */
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all var(--transition);
  position: relative;
}
.nav a:hover {
  color: var(--primary);
  background: var(--bg-alt);
}
.nav a.active {
  color: var(--primary);
  background: var(--bg-alt);
  font-weight: 600;
}
.nav-github {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 8px 20px !important;
  border-radius: 10px !important;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition) !important;
  box-shadow: 0 2px 8px rgba(15,43,70,0.2);
}
.nav-github:hover {
  background: var(--primary-mid) !important;
  color: var(--white) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(15,43,70,0.3) !important;
}
.nav-github svg { width: 16px; height: 16px; fill: currentColor; }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  background: #0F2B46;
  color: var(--white);
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 28px;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.85);
}
.hero-label .dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.hero h1 .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--primary-glow) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.2rem;
  max-width: 680px;
  margin: 0 auto 36px;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  font-weight: 400;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.12);
  letter-spacing: 0.01em;
}
.badge-green {
  background: rgba(0,214,143,0.15);
  border-color: rgba(0,214,143,0.3);
  color: #6FFFCC;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 40px;
}
.tech-tag {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  transition: all var(--transition);
}
.tech-tag:hover {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.9);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.btn-primary {
  background: var(--accent);
  color: #0A1628;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #0A1628;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}
.btn-outline {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}
.btn-secondary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(15,43,70,0.2);
}
.btn-secondary:hover {
  background: var(--primary-mid);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15,43,70,0.25);
}

/* ===== Sections ===== */
.section {
  padding: 88px 0;
  position: relative;
}
.section-alt {
  background: var(--white);
}
.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}
.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 56px;
  line-height: 1.7;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--bg-alt);
  color: var(--primary-light);
  margin-bottom: 16px;
}

/* ===== Screenshot ===== */
.section-screenshot {
  padding: 0 0 64px;
  margin-top: -50px;
  position: relative;
  z-index: 3;
}
.screenshot-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.screenshot {
  border-radius: 8px;
  box-shadow: var(--shadow-xl), 0 0 60px rgba(52,152,219,0.1);
  border: 1px solid var(--border-card);
  width: 100%;
  height: auto;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}
.screenshot:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), 0 0 80px rgba(52,152,219,0.15);
}
.screenshot-caption {
  margin-top: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ===== Feature Cards (glassmorphism) ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.feature-card {
  background: linear-gradient(170deg, rgba(255,255,255,0.98), rgba(255,255,255,0.9));
  border: 1px solid rgba(148,163,184,0.22);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(15,43,70,0.04);
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(52,152,219,0.15);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--bg-alt), var(--bg));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  border: 1px solid var(--border);
}
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ===== Advantages (numbered) ===== */
.advantages-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
  counter-reset: advantage;
}
.advantage-item {
  background: linear-gradient(170deg, rgba(255,255,255,0.98), rgba(255,255,255,0.9));
  border: 1px solid rgba(148,163,184,0.2);
  border-radius: var(--radius-lg);
  padding: 28px 28px 28px 80px;
  position: relative;
  counter-increment: advantage;
  transition: all var(--transition);
  box-shadow: 0 8px 24px rgba(15,43,70,0.04);
}
.advantage-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(52,152,219,0.15);
}
.advantage-item::before {
  content: counter(advantage);
  position: absolute;
  left: 24px;
  top: 28px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-mid), var(--primary-light));
  color: var(--white);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(27,79,114,0.25);
}
.advantage-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.advantage-item p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Comparison Tables ===== */
.comparison-block { margin-bottom: 64px; }
.comparison-block h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.comparison-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 24px;
  padding: 14px 20px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary-light);
  line-height: 1.6;
}
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 12px;
  font-size: 0.9rem;
  background: transparent;
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
  border: none;
}
.comparison-table thead,
.comparison-table tbody,
.comparison-table tr {
  display: block;
}
.comparison-table thead tr,
.comparison-table tbody tr {
  display: grid;
  grid-template-columns: minmax(170px, 0.95fr) minmax(240px, 1.25fr) minmax(240px, 1.25fr);
  gap: 12px;
}
.comparison-table thead {
  margin-bottom: 6px;
}
.comparison-table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: transparent;
}
.comparison-table td {
  padding: 16px 18px;
  border: 1px solid rgba(148,163,184,0.18);
  border-bottom: 1px solid rgba(148,163,184,0.18);
  border-radius: 14px;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 6px 16px rgba(15,43,70,0.04);
  vertical-align: top;
  line-height: 1.55;
}
.comparison-table tbody tr {
  transition: transform var(--transition), filter var(--transition);
  margin-bottom: 12px;
}
.comparison-table tbody tr:last-child { margin-bottom: 0; }
.comparison-table tbody tr:hover {
  transform: translateY(-1px);
  filter: saturate(1.04);
}
.comparison-table td:first-child {
  font-weight: 600;
  color: var(--primary);
  white-space: normal;
  background: linear-gradient(160deg, rgba(15,43,70,0.05), rgba(27,79,114,0.03));
}
.comparison-table .col-ts {
  background: linear-gradient(150deg, rgba(0,214,143,0.1), rgba(0,214,143,0.04));
  border-color: rgba(0,179,119,0.24);
}
.comparison-table .highlight {
  color: var(--accent-hover);
  font-weight: 700;
}

/* ===== Clients Grid ===== */
.clients-category {
  margin-bottom: 48px;
  padding: 26px;
  border-radius: 18px;
  background: linear-gradient(170deg, rgba(255,255,255,0.95), rgba(255,255,255,0.84));
  border: 1px solid rgba(148,163,184,0.18);
  box-shadow: 0 10px 24px rgba(15,43,70,0.04);
}
.clients-category h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(52,152,219,0.25);
  display: inline-block;
  letter-spacing: -0.01em;
}
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}
.client-item {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(148,163,184,0.2);
  border-radius: 14px;
  padding: 10px 12px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
}
.client-item:hover {
  box-shadow: 0 8px 18px rgba(15,43,70,0.08);
  border-color: rgba(52,152,219,0.35);
  transform: translateY(-2px);
}
.client-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #FFFFFF;
  border: 1px solid rgba(148,163,184,0.22);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 4px;
}
.client-logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}
.client-logo-mark {
  width: 100%;
  height: 100%;
  display: block;
}
.client-name {
  min-width: 0;
  line-height: 1.35;
}

/* ===== Contact ===== */
.contact-card {
  background: linear-gradient(170deg, rgba(255,255,255,0.98), rgba(255,255,255,0.9));
  border: 1px solid rgba(148,163,184,0.2);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 620px;
  margin: 0 auto;
  box-shadow: 0 16px 38px rgba(15,43,70,0.08);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
}
.contact-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.contact-card .role {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.contact-card .support-note {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 28px;
  font-size: 0.92rem;
  line-height: 1.65;
  border-left: 3px solid var(--accent);
  color: var(--text-light);
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg);
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
  border: 1px solid transparent;
}
.contact-link:hover {
  background: var(--bg-alt);
  color: var(--text);
  border-color: var(--border);
  transform: translateX(4px);
}
.contact-link-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary-mid), var(--primary-light));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(27,79,114,0.2);
}

/* ===== Quick Start ===== */
.quickstart {
  background: linear-gradient(160deg, #0A1628, #0F2B46, #1B4F72);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}
.quickstart::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: var(--primary-light);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  pointer-events: none;
}
.quickstart h3 {
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
}
.quickstart pre {
  background: rgba(0,0,0,0.35);
  border-radius: var(--radius);
  padding: 24px;
  overflow-x: auto;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.85rem;
  line-height: 1.8;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.quickstart code { color: #A3D9A5; }
.quickstart .comment { color: #546E7A; }
.quickstart .info {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 0.9rem;
  opacity: 0.85;
  position: relative;
}
.quickstart .info span { display: flex; align-items: center; gap: 8px; }

/* ===== Timeline ===== */
.timeline {
  max-width: 620px;
  margin: 0 auto;
  position: relative;
  padding-left: 48px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-light), var(--accent));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 32px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.timeline-item:hover {
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -38px;
  top: 24px;
  width: 14px;
  height: 14px;
  background: var(--primary-light);
  border-radius: 50%;
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--primary-light);
}
.timeline-item:last-child::before {
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--accent), 0 0 12px var(--accent-glow);
}
.timeline-year {
  font-weight: 800;
  color: var(--primary);
  font-size: 0.9rem;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.timeline-text {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ===== Use Cases ===== */
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}
.usecase-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.usecase-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: rgba(52,152,219,0.15);
}
.usecase-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--bg-alt), var(--bg));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  border: 1px solid var(--border);
}
.usecase-item h4 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.usecase-item p {
  font-size: 0.84rem;
  color: var(--text-light);
  line-height: 1.55;
}

/* ===== Architecture block ===== */
.arch-block {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}
.arch-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
}
.arch-block h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.arch-block p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ===== Footer ===== */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.7);
  padding: 48px 0;
  margin-top: auto;
}
.footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer a { color: rgba(255,255,255,0.7); transition: color var(--transition); }
.footer a:hover { color: var(--white); }
.footer-links { display: flex; gap: 28px; font-size: 0.88rem; }
.footer-copy { font-size: 0.85rem; opacity: 0.8; }

/* ===== Page Hero (inner pages) ===== */
.page-hero {
  background: linear-gradient(160deg, #0A1628, #0F2B46, #1B4F72);
  color: var(--white);
  padding: 60px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -150px; right: -150px;
  width: 400px; height: 400px;
  background: var(--primary-light);
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  pointer-events: none;
}
.page-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -0.03em;
  position: relative;
}
.page-hero p {
  opacity: 0.75;
  font-size: 1.05rem;
  position: relative;
}

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    gap: 4px;
  }
  .nav.open { display: flex; }
  .burger { display: flex; }

  .hero { padding: 72px 0 60px; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }

  .page-hero h1 { font-size: 1.7rem; }
  .page-hero { padding: 48px 0; }

  .section { padding: 56px 0; }
  .section-title { font-size: 1.65rem; }
  .section-subtitle { margin-bottom: 40px; }

  .features-grid { grid-template-columns: 1fr; }
  .advantages-list { grid-template-columns: 1fr; }
  .usecases-grid { grid-template-columns: 1fr; }

  .comparison-table {
    font-size: 0.82rem;
    border-spacing: 0 10px;
  }
  .comparison-table thead { display: none; }
  .comparison-table tbody tr {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .comparison-table td {
    padding: 13px 14px;
    border-radius: 12px;
  }
  .comparison-table td:first-child {
    background: linear-gradient(150deg, rgba(15,43,70,0.1), rgba(27,79,114,0.05));
    font-size: 0.88rem;
  }
  .comparison-table td:nth-child(2)::before,
  .comparison-table td:nth-child(3)::before {
    display: block;
    margin-bottom: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
  }
  .comparison-table td:nth-child(2)::before { content: "TrackStudio"; }
  .comparison-table td:nth-child(3)::before { content: "Альтернатива"; }

  .clients-category {
    padding: 18px;
    border-radius: 14px;
  }
  .clients-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

  .quickstart { padding: 28px; border-radius: var(--radius-lg); }
  .contact-card { padding: 32px; border-radius: var(--radius-lg); }

  .footer .container { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }

  .section-screenshot {
    margin-top: -30px;
    padding-top: 0;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.75rem; }
  .hero p { font-size: 0.95rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .hero-badges { flex-direction: column; align-items: center; }

  .section { padding: 44px 0; }
  .section-title { font-size: 1.4rem; }
}