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

:root {
  --bg: #030712;
  --bg-elevated: #0a0f1a;
  --surface: rgba(15, 23, 42, 0.72);
  --surface-solid: #0f172a;
  --surface-2: #141c2e;
  --border: rgba(148, 163, 184, 0.12);
  --border-bright: rgba(34, 211, 238, 0.28);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --accent-2: #00d4aa;
  --accent-warm: #818cf8;
  --glow: rgba(34, 211, 238, 0.18);
  --glow-strong: rgba(0, 212, 170, 0.35);
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --radius: 1rem;
  --radius-sm: 0.625rem;
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Instrument Serif", Georgia, serif;
  --header-h: 4.25rem;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

main { flex: 1; }

.wrap {
  max-width: 76rem;
  margin: 0 auto;
  padding-left: max(1.25rem, env(safe-area-inset-left));
  padding-right: max(1.25rem, env(safe-area-inset-right));
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-link:focus { top: 1rem; }

/* Version banner */
.version-banner {
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.12), rgba(0, 212, 170, 0.08));
  border-bottom: 1px solid var(--border-bright);
  padding: 0.5rem 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
}

.version-banner a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.version-banner a:hover { text-decoration: underline; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(3, 7, 18, 0.82);
  backdrop-filter: blur(16px) saturate(1.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text);
  white-space: nowrap;
}

.logo-img { flex-shrink: 0; }

.logo-brand {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.15s;
}

.main-nav a:hover,
.main-nav a.active { color: var(--text); }

.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
  color: var(--bg) !important;
  padding: 0.5rem 1.1rem !important;
  border-radius: 999px;
  font-weight: 700 !important;
}

.menu-btn {
  display: none;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  color: var(--text);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.85rem 1.65rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  border: none;
  cursor: pointer;
  font-family: inherit;
  min-height: 44px;
  touch-action: manipulation;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--bg);
  box-shadow: 0 4px 28px var(--glow);
}

.btn-primary:hover { box-shadow: 0 8px 36px var(--glow-strong); }

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--border-bright);
  background: rgba(15, 23, 42, 0.5);
}

.btn-sm { padding: 0.55rem 1.15rem; font-size: 0.82rem; }

.btn-block { width: 100%; }

/* Hero */
.hero {
  position: relative;
  padding: 3.5rem 0 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 15% 0%, rgba(34, 211, 238, 0.14), transparent 55%),
    radial-gradient(ellipse 55% 45% at 85% 15%, rgba(0, 212, 170, 0.1), transparent 50%),
    radial-gradient(ellipse 40% 30% at 50% 100%, rgba(129, 140, 248, 0.08), transparent);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black, transparent);
}

.hero-split {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy { max-width: 34rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border-bright);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.06);
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  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-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero h1 em {
  font-style: italic;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.hero-trust strong { color: var(--text); font-weight: 600; }

.platform-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.platform-pill {
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--muted);
}

/* AI demo card */
.hero-demo {
  position: relative;
}

.demo-window {
  background: var(--surface);
  border: 1px solid var(--border-bright);
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 24px 80px rgba(0, 0, 0, 0.55),
    0 0 60px var(--glow);
  backdrop-filter: blur(12px);
}

.demo-chrome {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
}

.demo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #334155;
}

.demo-dot:nth-child(1) { background: #ef4444; }
.demo-dot:nth-child(2) { background: #fbbf24; }
.demo-dot:nth-child(3) { background: #34d399; }

.demo-title {
  margin-left: 0.5rem;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
}

.demo-body { padding: 1.25rem; }

.demo-query {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.demo-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #475569, #334155);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: #cbd5e1;
}

.demo-bubble {
  flex: 1;
  padding: 0.85rem 1rem;
  border-radius: 0 0.85rem 0.85rem 0.85rem;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text);
}

.demo-response {
  padding: 1rem 1.15rem;
  border-radius: 0.85rem;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(0, 212, 170, 0.05));
  border: 1px solid var(--border-bright);
}

.demo-response-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.demo-response p {
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 0.85rem;
}

.demo-brands {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.demo-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  transition: border-color 0.3s, background 0.3s;
}

.demo-brand.highlight {
  border-color: var(--accent-2);
  background: rgba(0, 212, 170, 0.1);
  box-shadow: 0 0 20px rgba(0, 212, 170, 0.15);
}

.demo-brand-num {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 0.35rem;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--muted);
}

.demo-brand.highlight .demo-brand-num {
  background: var(--accent-2);
  color: var(--bg);
}

.demo-brand-name { font-weight: 600; color: var(--text); }

.demo-brand-tag {
  margin-left: auto;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-2);
  opacity: 0;
  transition: opacity 0.3s;
}

.demo-brand.highlight .demo-brand-tag { opacity: 1; }

.demo-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.demo-metric {
  text-align: center;
}

.demo-metric strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
}

.demo-metric span {
  font-size: 0.65rem;
  color: var(--muted);
  line-height: 1.3;
}

/* Bento stats */
.bento-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-top: 3.5rem;
}

.bento-stat {
  padding: 1.35rem 1.15rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  transition: border-color 0.2s, transform 0.2s;
}

.bento-stat:hover {
  border-color: var(--border-bright);
  transform: translateY(-2px);
}

.bento-stat strong {
  display: block;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.35rem;
}

.bento-stat span {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.45;
}

/* Logo marquee */
.logos-section {
  padding: 2.5rem 0;
  border-block: 1px solid var(--border);
  background: var(--bg-elevated);
  overflow: hidden;
}

.logos-section > p {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.marquee {
  display: flex;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 3rem;
  animation: marquee 28s linear infinite;
  padding: 0 1.5rem;
}

.marquee-track img {
  height: 28px;
  width: auto;
  opacity: 0.55;
  filter: grayscale(1) brightness(1.4);
  transition: opacity 0.2s;
}

.marquee-track img:hover { opacity: 0.85; }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Sections */
section { padding: 5rem 0; }

section.alt {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.section-head {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 40rem;
  margin-inline: auto;
}

.section-head .label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
  line-height: 1.15;
}

.section-head p {
  color: var(--muted);
  font-size: 1rem;
}

/* Problem bento */
.bento-problems {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.problem-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.2s, transform 0.2s;
}

.problem-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
}

.problem-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.2);
}

.problem-card:nth-child(2) .problem-icon {
  background: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.2);
}

.problem-card:nth-child(3) .problem-icon {
  background: rgba(129, 140, 248, 0.1);
  border-color: rgba(129, 140, 248, 0.2);
}

.problem-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
}

.problem-card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Visual split */
.visual-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

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

.visual-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border-bright);
  color: var(--accent);
  margin-bottom: 1rem;
}

.visual-badge.warn {
  border-color: rgba(251, 191, 36, 0.35);
  color: var(--warn);
}

.visual-copy .section-head {
  text-align: left;
  margin-bottom: 1.25rem;
  margin-inline: 0;
}

.visual-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 1.25rem 0;
}

.visual-points li {
  font-size: 0.9rem;
  color: var(--muted);
  padding-left: 1.35rem;
  position: relative;
}

.visual-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
}

.visual-frame {
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
  border: 1px solid var(--border-bright);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.visual-frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* Services bento */
.bento-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.service-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.service-card.featured {
  grid-column: span 1;
  background: linear-gradient(160deg, rgba(34, 211, 238, 0.08), rgba(0, 212, 170, 0.04));
  border-color: var(--border-bright);
}

.service-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid var(--border-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--muted);
  flex: 1;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.card-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.card-link:hover { text-decoration: underline; }

/* Case studies */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.case-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.2s, transform 0.2s;
}

.case-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-2px);
}

.case-card-header {
  padding: 1.75rem;
  border-bottom: 1px solid var(--border);
}

.case-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.case-metric-big {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 0.35rem;
}

.case-card-body {
  padding: 1.5rem 1.75rem;
}

.case-card-body p {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

/* Newsletter */
.newsletter-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2.25rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.06), rgba(129, 140, 248, 0.04));
  border: 1px solid var(--border-bright);
}

.newsletter-box h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.newsletter-box p {
  font-size: 0.88rem;
  color: var(--muted);
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  flex: 1;
  min-width: 260px;
  max-width: 420px;
}

.newsletter-form input {
  flex: 1;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-solid);
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
  min-height: 44px;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Contact section */
.contact-section {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.contact-copy .section-head {
  text-align: left;
  margin-bottom: 1rem;
  margin-inline: 0;
}

.contact-copy > p {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
}

.contact-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.contact-perks li {
  font-size: 0.88rem;
  color: var(--muted);
  padding-left: 1.35rem;
  position: relative;
}

.contact-perks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-2);
  font-weight: 800;
}

.contact-form {
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border-bright);
  backdrop-filter: blur(8px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.form-group { margin-bottom: 0.85rem; }

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-solid);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  min-height: 44px;
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-note {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.65rem;
  text-align: center;
}

.alert {
  display: none;
  margin-top: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.alert.show { display: block; }

.alert-success {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: var(--ok);
}

.alert-error {
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--danger);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.85rem;
  max-width: 22rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 0.85rem;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 0.45rem;
  transition: color 0.15s;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
}

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 0.65rem 0.65rem 1.25rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid var(--border-bright);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
}

.sticky-cta.visible { transform: translateX(-50%) translateY(0); }

.sticky-cta p {
  font-size: 0.82rem;
  color: var(--muted);
}

.sticky-cta strong { color: var(--text); }

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero-split,
  .visual-split,
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .visual-split.reverse { direction: ltr; }

  .hero-demo { order: -1; }

  .bento-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .menu-btn { display: flex; align-items: center; justify-content: center; }

  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem;
    gap: 0;
    background: rgba(3, 7, 18, 0.97);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
  }

  .main-nav.open { transform: translateX(0); }

  .main-nav a {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }

  .main-nav a.nav-cta {
    margin-top: 0.75rem;
    text-align: center;
    border: none;
  }

  .bento-problems,
  .bento-services,
  .case-grid { grid-template-columns: 1fr; }

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

@media (max-width: 640px) {
  section { padding: 3.5rem 0; }

  .hero { padding: 2.5rem 0 3rem; }

  .bento-stats { grid-template-columns: 1fr 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .newsletter-box { flex-direction: column; align-items: stretch; }

  .newsletter-form { max-width: none; flex-direction: column; }

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

  .sticky-cta {
    left: 1rem;
    right: 1rem;
    transform: translateY(120%);
    border-radius: var(--radius);
    flex-direction: column;
    text-align: center;
    white-space: normal;
  }

  .sticky-cta.visible { transform: translateY(0); }

  .demo-metrics { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .marquee-track { animation: none; }

  .reveal { opacity: 1; transform: none; }
}