:root {
  --bg: #0b0b0f;
  --bg-secondary: #131318;
  --bg-card: #19191f;
  --bg-elevated: #1e1e26;
  --border: #262630;
  --border-hover: #3a3a48;
  --text-primary: #eeeef2;
  --text-secondary: #a0a0b0;
  --text-muted: #585870;
  --accent: #6b8cff;
  --accent-warm: #e88d4a;
  --accent-green: #34d399;
  --accent-dim: rgba(107, 140, 255, 0.15);
  --accent-warm-dim: rgba(232, 141, 74, 0.12);
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 10px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-blur: 14px;
  --max-width: 1120px;
}

[data-theme="light"] {
  --bg: #f5f5f7;
  --bg-secondary: #ececf0;
  --bg-card: #fff;
  --bg-elevated: #fff;
  --border: #d8d8e0;
  --border-hover: #b8b8c8;
  --text-primary: #18181c;
  --text-secondary: #686878;
  --text-muted: #9898a8;
  --accent-dim: rgba(107, 140, 255, 0.1);
  --accent-warm-dim: rgba(232, 141, 74, 0.08);
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.65;
  transition: background var(--transition), color var(--transition);
}

::selection { background: var(--accent); color: #fff; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================================
   TYPOGRAPHY
   ============================================ */

.mono { font-family: var(--font-mono); }

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.0625rem; letter-spacing: -0.01em; }

.label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.label::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--accent);
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   LAYOUT
   ============================================ */

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

.container--narrow { max-width: 760px; }

section { padding: 50px 0; }

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

.section-header h2 { margin-top: 14px; }

.section-header p {
  margin-top: 12px;
  color: var(--text-secondary);
  max-width: 540px;
}

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

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  background: rgba(11, 11, 15, 0.6);
  backdrop-filter: blur(var(--nav-blur));
  -webkit-backdrop-filter: blur(var(--nav-blur));
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

[data-theme="light"] nav {
  background: rgba(245, 245, 247, 0.6);
}

nav.scrolled {
  background: rgba(11, 11, 15, 0.92);
  border-bottom-color: var(--border);
}

[data-theme="light"] nav.scrolled {
  background: rgba(245, 245, 247, 0.92);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
}

.nav-logo .logo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  transition: box-shadow var(--transition);
}

.nav-logo:hover .logo-dot {
  box-shadow: 0 0 14px var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform var(--transition), opacity var(--transition);
  border-radius: 1px;
}

.nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

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

.btn {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 9px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: #6580f2;
  border-color: #6580f2;
}

.btn-warm {
  background: var(--accent-warm);
  color: #fff;
  border-color: var(--accent-warm);
}

.btn-warm:hover {
  background: #e68a44;
  border-color: #e68a44;
}

.btn-outline {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-outline:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* Theme toggle */
.theme-toggle {
  position: relative;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), color var(--transition);
  line-height: 1;
}

.theme-toggle:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  transition: opacity var(--transition), transform var(--transition);
}

.theme-toggle .icon-sun { opacity: 1; transform: scale(1) rotate(0); }
.theme-toggle .icon-moon { opacity: 0; transform: scale(0.5) rotate(-90deg); }
[data-theme="light"] .theme-toggle .icon-sun { opacity: 0; transform: scale(0.5) rotate(90deg); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 1; transform: scale(1) rotate(0); }

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

.hero {
  position: relative;
  padding-top: 140px;
  padding-bottom: 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

#networkCanvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.35;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.hero-badge-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 5px 14px;
  border-radius: 20px;
  background: var(--accent-dim);
}

.hero-title { margin-bottom: 20px; }

.hero-title .dim {
  color: var(--text-muted);
  font-weight: 350;
}

.hero-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  z-index: 2;
  color: var(--text-muted);
}

.hero-scroll-mouse {
  opacity: 0.5;
  animation: mouseBob 2.2s ease-in-out infinite;
}

.hero-scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}

.hero-scroll-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ============================================
   TICKER / MARQUEE
   ============================================ */

.ticker-wrap {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  overflow: hidden;
}

.ticker {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: ticker 30s linear infinite;
}

.ticker-item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.ticker-item::before {
  content: '◆';
  color: var(--accent);
  font-size: 0.5rem;
}

/* ============================================
   SERVICES
   ============================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
}

.service-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .service-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.service-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.15rem;
  color: var(--accent);
}

.service-card h3 { margin-bottom: 10px; }

.service-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================
   PROCESS
   ============================================ */

.process-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.process-list::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.process-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 28px;
  padding: 28px 0;
  position: relative;
}

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

.process-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  padding-top: 2px;
  position: relative;
  z-index: 1;
}

.process-num::before {
  content: '';
  position: absolute;
  left: -17px;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--accent);
}

.process-content h3 { margin-bottom: 8px; }

.process-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 32px;
}

.about-text p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-cards { display: flex; flex-direction: column; gap: 12px; }

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  transition: border-color var(--transition);
}

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

.about-card-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
  margin-bottom: 6px;
  letter-spacing: 0.06em;
}

.about-card-value {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   BLOG
   ============================================ */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: pointer;
  display: block;
}

.blog-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .blog-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.blog-meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  gap: 10px;
}

.blog-card h3 { margin-bottom: 10px; line-height: 1.35; }

.blog-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.blog-card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.blog-card-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.03em;
}

.blog-card .read-more {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.blog-card:hover .read-more { gap: 10px; }

.blog-page-header { padding-top: 140px; }

.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 24px;
}

.blog-empty-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
  opacity: 0.4;
}

.blog-empty p {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.blog-card .read-more .arrow {
  font-size: 0.7rem;
  transition: transform var(--transition);
}

.blog-card:hover .read-more .arrow {
  transform: translate(2px, -1px);
}

.blog-all-link {
  text-align: center;
  margin-top: 32px;
}

/* Blog hero (detail page) */
.blog-hero {
  padding-top: 140px;
  padding-bottom: 0;
  position: relative;
}

.blog-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.blog-hero .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  transition: color var(--transition);
}

.blog-hero .back-link:hover { color: var(--accent); }

.blog-hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.blog-hero-date {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.blog-hero-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
}

.blog-hero-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.blog-hero-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 10px;
  border-radius: 20px;
}

.blog-hero h1 {
  margin-bottom: 16px;
}

.blog-hero-excerpt {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: var(--max-width);
}

.blog-hero-divider {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* Post content */
.post-content {
  padding: 48px 0 64px;
}

.post-content-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.post-content-inner h2 {
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--text-primary);
  font-size: 1.375rem;
}

.post-content-inner h3 {
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--text-primary);
  font-size: 1.0625rem;
}

.post-content-inner p {
  margin-bottom: 20px;
}

.post-content-inner a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--transition);
}

.post-content-inner a:hover { color: #8099ff; }

.post-content-inner ul,
.post-content-inner ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.post-content-inner li {
  margin-bottom: 8px;
}

.post-content-inner ul li {
  list-style: disc;
}

.post-content-inner ol li {
  list-style: decimal;
}

.post-content-inner li::marker {
  color: var(--accent);
}

.post-content-inner blockquote {
  border-left: 2px solid var(--accent);
  padding: 16px 24px;
  margin: 32px 0;
  background: var(--accent-dim);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-primary);
  font-style: italic;
  font-size: 1rem;
}

.post-content-inner blockquote p:last-child {
  margin-bottom: 0;
}

.post-content-inner pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 28px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.post-content-inner code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: var(--accent-dim);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--accent);
}

.post-content-inner pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  color: inherit;
  font-size: inherit;
}

.post-content-inner img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin: 32px 0;
}

.post-content-inner hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 40px 0;
}

/* Post footer (share, tags) */
.post-footer {
  max-width: var(--max-width);
  margin: 0 auto 64px;
  padding: 0 24px;
}

.post-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.post-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 5px 14px;
  border-radius: 20px;
  cursor: default;
}

.post-share {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.post-share-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.post-share a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  transition: border-color var(--transition), color var(--transition);
}

.post-share a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Related posts */
.related-posts {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0;
}

.related-posts .section-header { margin-bottom: 32px; }

/* ============================================
   CONTACT
   ============================================ */

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 32px;
}

.contact-info p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.7;
}

.contact-links { display: flex; flex-direction: column; gap: 12px; }

.contact-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: color var(--transition);
  padding: 8px 0;
}

.contact-link:hover { color: var(--text-primary); }

.contact-link .arrow {
  color: var(--text-muted);
  transition: transform var(--transition);
}

.contact-link:hover .arrow { transform: translate(2px, -2px); }

form { display: flex; flex-direction: column; gap: 14px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  transition: border-color var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group select option { background: var(--bg-secondary); }

.form-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  min-height: 20px;
}

/* Honeypot — invisible to humans */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* Rate-limit overlay */
.rate-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
}

.rate-overlay.active {
  display: flex;
}

.rate-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  max-width: 440px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.rate-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.rate-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.rate-timer {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--accent);
}

.rate-server {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 16px;
}

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

footer {
  padding: 48px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 10px;
  max-width: 280px;
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy { font-size: 0.75rem; color: var(--text-muted); }

.footer-bottom-links { display: flex; gap: 20px; }

.footer-bottom-links a {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

/* ============================================
   SCROLL-TO-TOP
   ============================================ */

.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 200;
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
  font-size: 1.1rem;
}

.scroll-top.visible { opacity: 1; pointer-events: auto; }

.scroll-top:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   KEYFRAMES
   ============================================ */

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.25; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes mouseBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* ============================================
   MOBILE
   ============================================ */

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(11, 11, 15, 0.98);
    backdrop-filter: blur(var(--nav-blur));
    -webkit-backdrop-filter: blur(var(--nav-blur));
    flex-direction: column;
    padding: 20px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  [data-theme="light"] .nav-links {
    background: rgba(245, 245, 247, 0.98);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    padding: 12px 0;
    font-size: 0.9375rem;
  }

  .nav-links a::after { display: none; }

  section { padding: 40px 0; }

  .hero { padding-top: 110px; min-height: auto; }
  #networkCanvas { opacity: 0.2; }

  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }

  .section-header { margin-bottom: 32px; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  .hero-actions .btn { flex: 1; justify-content: center; }
}