/* ===========================
   ADFERRY DESIGN SYSTEM
   Dark Ad-Tech Platform
   =========================== */

/* CSS VARIABLES */
:root {
  --navy: #080E1A;
  --navy-2: #0D1526;
  --navy-3: #111D35;
  --navy-4: #162040;
  --charcoal: #0F1319;
  --charcoal-2: #161C26;
  --surface: #131D30;
  --surface-2: #1A2540;
  --border: rgba(255,255,255,0.06);
  --border-bright: rgba(0,194,255,0.2);

  --electric-blue: #00C2FF;
  --electric-blue-glow: rgba(0,194,255,0.15);
  --neon-purple: #7B5EFF;
  --neon-purple-glow: rgba(123,94,255,0.15);
  --mint: #00E5A0;
  --mint-glow: rgba(0,229,160,0.12);

  --white: #FFFFFF;
  --white-80: rgba(255,255,255,0.8);
  --white-60: rgba(255,255,255,0.6);
  --white-40: rgba(255,255,255,0.4);
  --white-20: rgba(255,255,255,0.2);
  --white-10: rgba(255,255,255,0.07);
  --white-05: rgba(255,255,255,0.04);

  --font-display: 'Syne', sans-serif;
  --font-body: 'Figtree', sans-serif;
  --font-mono: 'DM Mono', monospace;

  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  --container: 1200px;
  --nav-h: 72px;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--electric-blue); }

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--electric-blue), var(--neon-purple));
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 0 20px rgba(0,194,255,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0,194,255,0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--white-80);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--white-05);
  color: var(--white);
  border-color: var(--electric-blue);
}

.btn-outline {
  background: transparent;
  color: var(--electric-blue);
  border-color: var(--electric-blue);
}
.btn-outline:hover {
  background: var(--electric-blue-glow);
  box-shadow: 0 0 20px rgba(0,194,255,0.2);
}

.btn-lg { padding: 16px 32px; font-size: 1rem; border-radius: 10px; }
.btn-sm { padding: 8px 16px; font-size: 0.8rem; }

/* ===== GRADIENT TEXT ===== */
.gradient-text {
  background: linear-gradient(135deg, var(--electric-blue) 0%, var(--neon-purple) 60%, var(--mint) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: all var(--transition);
}
.nav.scrolled {
  background: rgba(8,14,26,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon { display: flex; align-items: center; }
.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}
.logo-accent { color: var(--electric-blue); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--white-60);
  border-radius: 6px;
  transition: all var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: var(--white-05);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--electric-blue);
  border-radius: 2px;
}

/* Dropdown */
.dropdown { position: relative; }
.dropdown-toggle { display: flex; align-items: center; gap: 4px; }
.chevron { font-size: 0.7rem; transition: transform var(--transition); }
.dropdown:hover .chevron { transform: rotate(180deg); }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 160px;
  background: var(--navy-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  backdrop-filter: blur(20px);
}
.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--white-60);
  border-radius: 6px;
  transition: all var(--transition);
}
.dropdown-menu a:hover { background: var(--white-05); color: var(--white); }

.nav-cta { margin-left: 16px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,194,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,194,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding-top: 80px;
  padding-bottom: 120px;
  animation: heroFadeIn 1s ease forwards;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0,194,255,0.08);
  border: 1px solid rgba(0,194,255,0.2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--electric-blue);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
}
.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--electric-blue);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--white);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--white-60);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  width: fit-content;
  backdrop-filter: blur(10px);
}
.metric {
  padding: 20px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.metric-val {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--electric-blue);
}
.metric-label {
  font-size: 0.75rem;
  color: var(--white-40);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.metric-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--white-30);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease infinite;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--white-20), transparent);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== PROTOCOLS ===== */
.protocols {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--navy-2);
}
.protocols-label {
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-40);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}
.protocol-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.protocol-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--white-05);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--white-80);
  transition: all var(--transition);
}
.protocol-badge:hover {
  border-color: var(--electric-blue);
  background: var(--electric-blue-glow);
  color: var(--white);
}
.badge-icon { display: flex; align-items: center; }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}
.section-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--electric-blue-glow);
  border: 1px solid rgba(0,194,255,0.2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--electric-blue);
  margin-bottom: 20px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--white-60);
  line-height: 1.7;
}

/* ===== FLOW DIAGRAM ===== */
.flow-section { background: var(--navy-2); }

.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 60px;
  padding: 48px 40px;
  background: var(--navy-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  position: relative;
}

.flow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.node-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-4);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  position: relative;
}

.publisher .node-icon { border-color: rgba(0,194,255,0.3); }

.adferry-core {
  position: relative;
}
.adferry-core .node-icon {
  width: 100px;
  height: 100px;
  border-color: transparent;
  background: linear-gradient(var(--navy-3), var(--navy-3)) padding-box,
              linear-gradient(135deg, var(--electric-blue), var(--neon-purple)) border-box;
  border: 2px solid transparent;
}
.core-glow {
  position: absolute;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0,194,255,0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: coreGlowPulse 3s ease infinite;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  margin-top: -40px;
}
@keyframes coreGlowPulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}

.node-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  color: var(--white-80);
  line-height: 1.3;
}
.node-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--electric-blue);
  background: var(--electric-blue-glow);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid rgba(0,194,255,0.2);
}
.node-tags-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}
.mini-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--neon-purple);
  background: var(--neon-purple-glow);
  padding: 3px 8px;
  border-radius: 100px;
  border: 1px solid rgba(123,94,255,0.2);
}
.node-stats {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  font-family: var(--font-mono);
}
.node-stats span:first-child {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--mint);
}
.node-stats span:last-child {
  font-size: 0.65rem;
  color: var(--white-40);
  letter-spacing: 0.05em;
}

.flow-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  position: relative;
  flex-shrink: 0;
}
.arrow-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--electric-blue), var(--neon-purple));
  position: relative;
}
.arrow-line::after {
  content: '→';
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--neon-purple);
  font-size: 1rem;
}
.arrow-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--white-40);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.arrow-pulse {
  width: 6px;
  height: 6px;
  background: var(--electric-blue);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: arrowPulse 2s linear infinite;
}
@keyframes arrowPulse {
  0% { left: 20%; opacity: 1; }
  100% { left: 80%; opacity: 0; }
}

.flow-demand {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}
.demand-node {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--navy-4);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all var(--transition);
}
.demand-node:hover {
  border-color: var(--neon-purple);
  background: var(--neon-purple-glow);
}
.demand-node span {
  font-size: 0.82rem;
  color: var(--white-60);
}
.demand-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  flex-shrink: 0;
}
.dsps { background: rgba(0,194,255,0.15); color: var(--electric-blue); border: 1px solid rgba(0,194,255,0.3); }
.networks { background: rgba(123,94,255,0.15); color: var(--neon-purple); border: 1px solid rgba(123,94,255,0.3); }
.direct { background: rgba(0,229,160,0.1); color: var(--mint); border: 1px solid rgba(0,229,160,0.3); }

/* Flow Steps */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.flow-step {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  background: var(--navy-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
}
.flow-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--electric-blue), var(--neon-purple));
  border-radius: var(--radius) var(--radius) 0 0;
  opacity: 0;
  transition: opacity var(--transition);
}
.flow-step:hover::before { opacity: 1; }
.flow-step:hover { border-color: var(--border-bright); transform: translateY(-4px); }
.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--electric-blue);
  letter-spacing: 0.1em;
}
.flow-step h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}
.flow-step p {
  font-size: 0.88rem;
  color: var(--white-50);
  line-height: 1.6;
}

/* ===== SOLUTIONS GRID ===== */
.solutions-preview { background: var(--navy); }

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.sol-card {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.sol-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.sol-card.featured {
  grid-row: span 2;
  background: linear-gradient(145deg, var(--navy-4), var(--navy-3));
  border-color: rgba(0,194,255,0.2);
}
.sol-card-bg {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0,194,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.sol-icon {
  width: 56px;
  height: 56px;
  background: var(--white-05);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.sol-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.sol-card p {
  font-size: 0.9rem;
  color: var(--white-60);
  line-height: 1.7;
  margin-bottom: 20px;
}
.sol-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px;
  background: var(--electric-blue-glow);
  border: 1px solid rgba(0,194,255,0.15);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.stat-big {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--electric-blue);
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--white-50);
}
.sol-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--electric-blue);
  transition: gap var(--transition);
  display: inline-block;
}
.sol-link:hover { opacity: 0.8; }
.sol-card.cta-card {
  background: linear-gradient(135deg, rgba(123,94,255,0.15), rgba(0,194,255,0.08));
  border-color: rgba(123,94,255,0.3);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.sol-card.cta-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

/* ===== TECH HIGHLIGHTS ===== */
.tech-highlights { background: var(--navy-2); }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.tech-card {
  padding: 32px;
  background: var(--navy-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.tech-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
}
.tech-card.protocol-card {
  border-color: rgba(0,194,255,0.15);
  background: linear-gradient(145deg, var(--navy-4), var(--navy-3));
}
.protocol-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.protocol-logo {
  padding: 6px 14px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.protocol-logo.vast {
  background: rgba(0,194,255,0.15);
  color: var(--electric-blue);
  border: 1px solid rgba(0,194,255,0.3);
}
.protocol-logo.rtb {
  background: rgba(123,94,255,0.15);
  color: var(--neon-purple);
  border: 1px solid rgba(123,94,255,0.3);
}
.protocol-version {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mint);
  letter-spacing: 0.05em;
}
.tech-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.tech-card p {
  font-size: 0.9rem;
  color: var(--white-60);
  line-height: 1.7;
  margin-bottom: 20px;
}
.tech-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--white-70);
}
.feature-list li::before {
  content: '✓';
  color: var(--mint);
  font-weight: 700;
  flex-shrink: 0;
}

.tech-cta { text-align: center; margin-top: 48px; }

/* ===== STATS BAND ===== */
.stats-band {
  padding: 60px 0;
  background: linear-gradient(135deg, rgba(0,194,255,0.05) 0%, rgba(123,94,255,0.05) 50%, rgba(0,229,160,0.03) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--electric-blue);
  line-height: 1;
  display: inline;
}
.stat-unit {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--neon-purple);
  display: inline;
  margin-left: 2px;
}
.stat-name {
  font-size: 0.82rem;
  color: var(--white-50);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 8px;
}

/* ===== FOOTER ===== */
.footer {
  padding: 80px 0 40px;
  background: var(--charcoal);
  border-top: 1px solid var(--border);
}
.footer-top {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 80px;
  margin-bottom: 60px;
}
.footer-tagline {
  font-size: 0.9rem;
  color: var(--white-50);
  line-height: 1.6;
  margin-top: 16px;
  margin-bottom: 20px;
}
.footer-protocols {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.proto-pill {
  padding: 4px 10px;
  background: var(--white-05);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--white-50);
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer-col h5 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white-80);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  font-size: 0.88rem;
  color: var(--white-50);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--white-40);
}

/* ===== SOLUTIONS PAGE ===== */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  background: var(--navy-2);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(123,94,255,0.1) 0%, transparent 70%);
  transform: translateY(-50%);
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 16px 0 20px;
}
.page-hero p {
  font-size: 1.1rem;
  color: var(--white-60);
  max-width: 560px;
  line-height: 1.7;
}

/* Publisher Solutions */
.solutions-full { padding: 80px 0; background: var(--navy); }
.solutions-full-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 80px;
}
.solutions-full-grid:nth-child(even) { direction: rtl; }
.solutions-full-grid > * { direction: ltr; }
.sol-img-box {
  background: var(--navy-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.sol-img-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,194,255,0.05) 0%, rgba(123,94,255,0.05) 100%);
}
.sol-text h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 16px 0 16px;
  color: var(--white);
}
.sol-text p {
  color: var(--white-60);
  line-height: 1.7;
  margin-bottom: 28px;
}
.sol-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.sol-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--white-70);
}
.sol-feature-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--electric-blue);
  flex-shrink: 0;
}

/* ===== TECHNOLOGY PAGE ===== */
.tech-infra { padding: 80px 0; background: var(--navy); }
.infra-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 80px;
}
.infra-card {
  padding: 40px;
  background: var(--navy-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.infra-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin: 16px 0 12px;
}
.infra-card p { color: var(--white-60); line-height: 1.7; margin-bottom: 24px; }
.infra-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.spec-item {
  padding: 16px;
  background: var(--white-05);
  border-radius: var(--radius);
}
.spec-val {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--electric-blue);
}
.spec-label { font-size: 0.78rem; color: var(--white-40); margin-top: 4px; }

/* ===== ABOUT / COMPANY ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.team-card {
  padding: 32px;
  background: var(--navy-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
}
.team-card:hover { border-color: var(--border-bright); transform: translateY(-4px); }
.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--electric-blue), var(--neon-purple));
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: white;
}
.team-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.team-role { font-size: 0.82rem; color: var(--electric-blue); margin-bottom: 12px; }
.team-bio { font-size: 0.85rem; color: var(--white-50); line-height: 1.6; }

/* Contact Form */
.contact-form-section { padding: 80px 0; background: var(--navy); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-info h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.contact-info p { color: var(--white-60); line-height: 1.7; margin-bottom: 32px; }
.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--white-70);
  margin-bottom: 16px;
}
.contact-icon {
  width: 36px;
  height: 36px;
  background: var(--white-05);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.form-card {
  padding: 40px;
  background: var(--navy-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white-70);
  margin-bottom: 8px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--navy-4);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 3px rgba(0,194,255,0.1);
}
.form-group select option { background: var(--navy-3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Careers */
.jobs-grid { display: grid; gap: 16px; }
.job-card {
  padding: 28px 32px;
  background: var(--navy-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: all var(--transition);
}
.job-card:hover { border-color: var(--border-bright); transform: translateX(4px); }
.job-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.job-meta { display: flex; gap: 16px; }
.job-tag {
  font-size: 0.78rem;
  color: var(--white-50);
  background: var(--white-05);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
}
.job-tag.dept { color: var(--electric-blue); border-color: rgba(0,194,255,0.2); background: var(--electric-blue-glow); }
.job-subtitle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mint);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.job-desc {
  font-size: 0.88rem;
  color: var(--white-50);
  line-height: 1.65;
  margin-top: 12px;
}

/* ===== MOBILE NAV ===== */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(8,14,26,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  padding: 32px 24px;
  gap: 8px;
  transform: translateX(100%);
  transition: transform var(--transition);
}
.mobile-nav.open { transform: translateX(0); display: flex; }
.mobile-nav-link {
  display: block;
  padding: 16px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--white-70);
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all var(--transition);
}
.mobile-nav-link:hover { color: var(--white); background: var(--white-05); border-color: var(--border); }
.mobile-nav-sub {
  padding: 8px 16px;
  font-size: 1rem;
  color: var(--white-50);
  display: flex;
  align-items: center;
  gap: 8px;
}
.mobile-nav-sub::before { content: '—'; color: var(--white-20); font-size: 0.7rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .solutions-grid { grid-template-columns: 1fr 1fr; }
  .sol-card.featured { grid-row: auto; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .flow-steps { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: flex; }

  /* Hero mobile fixes */
  .hero { min-height: auto; padding-top: var(--nav-h); padding-bottom: 40px; }
  .hero-content { padding-top: 40px; padding-bottom: 60px; }
  .hero-title { font-size: clamp(1.8rem, 7vw, 2.8rem); }
  .hero-sub { font-size: 1rem; }
  .hero-badge { font-size: 0.72rem; padding: 6px 12px; }

  .hero-metrics { display: grid; grid-template-columns: 1fr 1fr; width: 100%; gap: 8px; }
  .metric-divider { display: none; }
  .metric { border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 12px; }
  .metric-val { font-size: 1.2rem; }
  .metric-label { font-size: 0.68rem; }

  .hero-scroll-hint { display: none; }

  /* Protocols strip */
  .protocols { padding: 24px 0; }
  .protocol-badges { gap: 8px; }
  .protocol-badge { padding: 8px 14px; font-size: 0.75rem; }

  /* Flow diagram */
  .flow-diagram { flex-direction: column; gap: 20px; padding: 24px 16px; }
  .flow-arrow { transform: rotate(90deg); }
  .flow-steps { grid-template-columns: 1fr; }
  .flow-step { padding: 20px; }

  /* Grids */
  .solutions-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
  .stat-value { font-size: 2.2rem; }
  .stat-unit { font-size: 1.3rem; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .infra-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .solutions-full-grid { grid-template-columns: 1fr; gap: 40px; }
  .solutions-full-grid:nth-child(even) { direction: ltr; }
  .infra-specs { grid-template-columns: 1fr 1fr; }

  /* Page hero */
  .page-hero { padding: calc(var(--nav-h) + 40px) 0 40px; }
  .page-hero h1 { font-size: clamp(1.6rem, 6vw, 2.4rem); }
  .page-hero p { font-size: 0.95rem; }

  /* Section spacing */
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
  .section-title { font-size: clamp(1.5rem, 5vw, 2rem); }

  /* Sol img */
  .sol-img-box { padding: 16px; aspect-ratio: auto; }
  .sol-text h2 { font-size: 1.5rem; }

  /* Contact form */
  .form-card { padding: 24px; }
  .contact-info h2 { font-size: 1.6rem; }

  /* Jobs */
  .job-card { flex-direction: column; align-items: flex-start; gap: 16px; padding: 20px; }
  .job-meta { flex-wrap: wrap; gap: 8px; }

  /* Protocol section (technology page) */
  .protocol-section { grid-template-columns: 1fr; }
  .protocol-detail-card { padding: 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .stats-inner { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-value { font-size: 1.8rem; }
  .stat-unit { font-size: 1.1rem; }
  .team-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-title { font-size: 1.7rem; }
  .hero-content { padding-top: 24px; padding-bottom: 40px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-lg { width: 100%; justify-content: center; }
  .hero-metrics { grid-template-columns: 1fr 1fr; gap: 6px; }
  .metric { padding: 12px 8px; }
  .metric-val { font-size: 1rem; }
  .metric-label { font-size: 0.62rem; }

  .page-hero h1 { font-size: 1.5rem; }
  .section-title { font-size: 1.4rem; }
  .sol-text h2 { font-size: 1.3rem; }
  .contact-info h2 { font-size: 1.3rem; }
  .nav-inner { padding: 0 16px; }

  /* Protocol badges wrap */
  .protocol-badges { justify-content: flex-start; }
  .protocol-badge { font-size: 0.7rem; padding: 6px 10px; }

  /* Infra specs stack on tiny screens */
  .infra-specs { grid-template-columns: 1fr; }
}

/* Page load animation */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}