:root {
  --white: #ffffff;
  --text: #0b172a;
  --text-muted: #4b5563;
  --blue: #1264d1;
  --blue-hover: #0f56b8;
  --blue-soft: #eef4fd;
  --border: #e5e7eb;
  --nav-height: 72px;
  --container: 1280px;
  --side-padding: 40px;
  --radius-lg: 20px;
  --radius-pill: 999px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.eyebrow {
  margin: 0 0 20px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.section-title {
  margin: 0 0 20px;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-title--light {
  color: var(--white);
}

.section-lead {
  margin: 0 0 28px;
  max-width: 680px;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.section-lead--narrow {
  max-width: 560px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--blue);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.15s ease;
}

.btn-primary:hover {
  background: var(--blue-hover);
}

.btn-pill {
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(255, 255, 255, 0.65);
  color: var(--white);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: background 0.15s ease;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: var(--nav-height);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo img {
  width: 28px;
  height: 28px;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

/* Hero */
.hero {
  padding: 48px 0 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  column-gap: 64px;
  align-items: start;
  margin-bottom: 40px;
}

.hero-title {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 11.5em;
}

.hero-desc {
  margin: 0;
  padding-top: 4px;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 34ch;
}

.hero-cta {
  margin-top: 40px;
}

.hero-scene {
  position: relative;
  margin: 0 0 64px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 7.2;
  background: #1a2332;
  box-shadow: 0 24px 60px rgba(11, 23, 42, 0.14);
}

.hero-scene__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

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

.ui-card {
  position: absolute;
  border-radius: 16px;
  background: rgba(22, 28, 40, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  color: #f8fafc;
}

.ui-card--order {
  left: 3.2%;
  top: 10%;
  width: min(30%, 340px);
  padding: 18px 20px 20px;
}

.ui-order-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.ui-order-id {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #94a3b8;
}

.ui-pill {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
}

.ui-pill--blue {
  background: rgba(59, 130, 246, 0.22);
  color: #93c5fd;
}

.ui-order-title {
  margin: 0 0 14px;
  font-size: clamp(0.875rem, 1.35vw, 1.0625rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.ui-order-foot {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.75rem;
  color: #94a3b8;
}

.ui-status,
.ui-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ui-status-ring {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid #64748b;
}

.ui-time svg {
  width: 15px;
  height: 15px;
}

.ui-card--dash {
  right: 2.8%;
  top: 5%;
  width: min(42%, 460px);
  padding: 20px 22px 18px;
}

.ui-dash-title {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.ui-kpis {
  display: flex;
  gap: 32px;
  margin-bottom: 6px;
}

.ui-kpi strong {
  display: block;
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.ui-kpi span {
  font-size: 0.6875rem;
  color: #94a3b8;
}

.ui-kpi--blue strong {
  color: #60a5fa;
}

.ui-kpi--green strong {
  color: #4ade80;
}

.ui-chart {
  height: 88px;
  margin: 4px 0 2px;
}

.ui-chart svg {
  width: 100%;
  height: 100%;
  display: block;
}

.ui-dash-divider {
  height: 1px;
  margin: 16px 0 18px;
  background: rgba(255, 255, 255, 0.1);
}

.ui-place {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.ui-pin svg {
  width: 22px;
  height: 22px;
  display: block;
}

.ui-place-label {
  margin: 0 0 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #e2e8f0;
}

.ui-place-addr {
  margin: 0;
  font-size: 0.6875rem;
  line-height: 1.45;
  color: #94a3b8;
}

.ui-plan svg {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.22);
}

@media (max-width: 1024px) {
  .hero-scene {
    aspect-ratio: 4 / 3;
  }

  .ui-card--order {
    width: 44%;
    top: 6%;
  }

  .ui-card--dash {
    width: 52%;
    top: auto;
    bottom: 4%;
    right: 3%;
    padding: 14px 16px;
  }

  .ui-dash-section:last-child {
    display: none;
  }

  .ui-dash-divider {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero-scene__ui {
    display: none;
  }

  .hero-scene {
    aspect-ratio: 16 / 10;
  }
}

/* Logos */
.logos {
  padding: 8px 0 72px;
  border-bottom: 1px solid var(--border);
}

.logos-inner {
  text-align: center;
}

.logos-label {
  margin: 0 0 28px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
}

.logos-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 36px 44px;
}

.logo-word {
  font-family: Inter, Arial, sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #374151;
  opacity: 0.72;
  filter: grayscale(100%);
  transition: opacity 0.2s ease, filter 0.2s ease;
  white-space: nowrap;
}

.logo-word--wide {
  letter-spacing: 0.12em;
}

.logo-word--soft {
  font-weight: 600;
  letter-spacing: -0.01em;
}

.logos-row .logo-word:hover {
  opacity: 1;
  filter: none;
}

/* Platform */
.platform {
  padding: 88px 0 0;
}

.platform-head {
  text-align: center;
  margin-bottom: 40px;
}

.platform-head .section-title,
.platform-head .section-lead {
  margin-left: auto;
  margin-right: auto;
}

.platform-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}

.platform-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--white);
  transition: border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.platform-tab svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.platform-tab:hover {
  border-color: #cbd5e1;
  color: var(--text);
}

.platform-tab.active {
  border-color: var(--blue);
  color: var(--blue);
  box-shadow: 0 0 0 1px var(--blue);
}

.platform-panels {
  background: var(--blue-soft);
  padding: 56px 0 72px;
}

.platform-panel {
  display: none;
}

.platform-panel.active {
  display: block;
}

.platform-panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 48px;
  align-items: center;
}

.panel-tag {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--blue);
}

.panel-title {
  margin: 0 0 16px;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.panel-text {
  margin: 0 0 28px;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 42ch;
}

/* Feature mockups — Russian-only UI visuals */
.feature-mock {
  position: relative;
  min-height: 320px;
  padding: 28px;
  border-radius: 16px;
  background: linear-gradient(145deg, #1a2332 0%, #0f172a 100%);
  box-shadow: 0 20px 50px rgba(11, 23, 42, 0.18);
  color: #f1f5f9;
  font-size: 0.8125rem;
  line-height: 1.45;
}

.fm-card {
  border-radius: 14px;
  background: rgba(22, 28, 40, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 22px;
}

.fm-card--main {
  max-width: 100%;
}

.fm-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.fm-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: #94a3b8;
}

.fm-pill {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
}

.fm-pill--green {
  background: rgba(34, 197, 94, 0.18);
  color: #86efac;
}

.fm-pill--blue {
  background: rgba(59, 130, 246, 0.22);
  color: #93c5fd;
}

.fm-title {
  margin: 0 0 16px;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.fm-chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
}

.fm-node {
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  font-weight: 500;
}

.fm-node--accent {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.35);
  color: #93c5fd;
}

.fm-node--hot {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.fm-arrow {
  color: #64748b;
  font-size: 0.875rem;
}

.fm-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 14px;
  font-size: 0.8125rem;
  color: #cbd5e1;
}

.fm-stats strong {
  color: #f8fafc;
  font-weight: 700;
}

.fm-foot {
  margin: 0;
  font-size: 0.75rem;
  color: #64748b;
}

.fm-foot--ok {
  color: #86efac;
}

.fm-q {
  margin: 0 0 12px;
  font-size: 0.875rem;
  color: #94a3b8;
}

.fm-answer {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.12);
  border-left: 3px solid #3b82f6;
}

.fm-answer p {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.5;
}

.fm-proof {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.fm-proof-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.75rem;
}

.fm-label {
  color: #64748b;
  flex-shrink: 0;
}

.fm-conf {
  color: #86efac;
  font-weight: 700;
}

/* Loop mock */
.feature-mock--loop {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fm-card--voice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-style: italic;
  color: #cbd5e1;
}

.fm-voice-label {
  flex-shrink: 0;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-style: normal;
}

.fm-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 0;
}

.fm-flow-item {
  padding: 8px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.8125rem;
  font-weight: 500;
}

.fm-flow-item--accent {
  background: rgba(59, 130, 246, 0.22);
  color: #93c5fd;
}

.fm-flow-arrow {
  color: #64748b;
  font-size: 1.125rem;
}

.fm-prompt-q {
  margin: 0 0 14px;
  font-weight: 600;
}

.fm-prompt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.fm-btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
}

.fm-btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.fm-btn--primary {
  background: var(--blue);
  color: #fff;
}

.fm-btn--wide {
  display: block;
  width: 100%;
  text-align: center;
  margin-top: 8px;
}

/* Copilot phone mock */
.feature-mock--copilot {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.fm-phone {
  width: min(100%, 280px);
  padding: 18px 16px 20px;
  border-radius: 20px;
  background: rgba(22, 28, 40, 0.95);
  border: 2px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.fm-phone-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.75rem;
  font-weight: 600;
}

.fm-phone-q {
  margin: 0 0 4px;
  font-size: 0.6875rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.fm-phone-a {
  margin: 0 0 18px;
  font-size: 0.875rem;
  color: #cbd5e1;
}

.fm-step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px;
  margin-bottom: 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  opacity: 0.55;
}

.fm-step--active {
  opacity: 1;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.fm-step-num {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
  font-weight: 700;
}

.fm-step--active .fm-step-num {
  background: var(--blue);
}

.fm-step-title {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 600;
}

.fm-step-hint {
  margin: 4px 0 0;
  font-size: 0.6875rem;
  color: #94a3b8;
}

/* Secure mock */
.feature-mock--secure {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fm-perimeter {
  position: relative;
  padding: 20px;
  border-radius: 14px;
  border: 2px dashed rgba(59, 130, 246, 0.45);
  background: rgba(59, 130, 246, 0.06);
}

.fm-perimeter-label {
  position: absolute;
  top: -10px;
  left: 16px;
  padding: 2px 10px;
  border-radius: 6px;
  background: #1a2332;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #93c5fd;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.fm-perimeter-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 8px;
}

.fm-vault {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 10px;
  background: rgba(22, 28, 40, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.fm-vault p {
  margin: 0;
  font-size: 0.8125rem;
}

.fm-vault-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.fm-connector {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fm-connector-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
}

.fm-connector-node {
  padding: 8px 16px;
  border-radius: 8px;
  background: var(--blue);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
}

.fm-secure-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.fm-secure-list li {
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.75rem;
}

.fm-secure-tagline {
  margin: 0;
  text-align: center;
  font-size: 0.8125rem;
  color: #94a3b8;
  font-style: italic;
}

@media (max-width: 900px) {
  .platform-panel-grid {
    grid-template-columns: 1fr;
  }

  .feature-mock {
    min-height: auto;
  }

  .fm-secure-list {
    grid-template-columns: 1fr;
  }
}

/* Feature 7 — Failure Pattern Radar */
.feature-radar {
  padding: 96px 0;
}

.radar-mock {
  margin: 40px 0 48px;
  padding: 28px 28px 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #1a2332 0%, #0f172a 100%);
  box-shadow: 0 24px 60px rgba(11, 23, 42, 0.14);
  color: #f1f5f9;
}

.radar-mock__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.radar-mock__title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.radar-mock__period {
  font-size: 0.8125rem;
  color: #94a3b8;
}

.radar-alerts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.radar-alert {
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(22, 28, 40, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left-width: 3px;
}

.radar-alert--high {
  border-left-color: #ef4444;
}

.radar-alert--medium {
  border-left-color: #f59e0b;
}

.radar-alert--warn {
  border-left-color: #3b82f6;
}

.radar-alert__badge {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.radar-alert--high .radar-alert__badge {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

.radar-alert--medium .radar-alert__badge {
  background: rgba(245, 158, 11, 0.2);
  color: #fcd34d;
}

.radar-alert--warn .radar-alert__badge {
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
}

.radar-alert__text {
  margin: 0 0 8px;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.radar-alert__text strong {
  color: #f8fafc;
  font-weight: 600;
}

.radar-alert__meta {
  font-size: 0.75rem;
  color: #64748b;
}

.radar-mock__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  color: #64748b;
}

.radar-mock__cta {
  color: #93c5fd;
  font-weight: 600;
}

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

.feature-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 16px;
}

.feature-card h3 {
  margin: 0 0 12px;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Killer features — remaining + copilot */
.killer-more {
  padding: 88px 0;
  background: #f9fafb;
}

.killer-feature--hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: 40px;
  align-items: center;
  margin: 40px 0 32px;
  padding: 36px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(11, 23, 42, 0.06);
}

.killer-feature__title {
  margin: 0 0 14px;
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.killer-feature__text {
  margin: 0 0 16px;
  color: var(--text-muted);
  line-height: 1.65;
}

.killer-feature__list {
  margin: 0;
  padding: 0 0 0 18px;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.killer-more-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.killer-more-grid .killer-feature {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.killer-more-grid .killer-feature h3 {
  margin: 16px 0 10px;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.killer-more-grid .killer-feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.killer-mini-mock {
  border-radius: 12px;
  background: linear-gradient(145deg, #1a2332 0%, #0f172a 100%);
  color: #f1f5f9;
  font-size: 0.8125rem;
  line-height: 1.45;
}

.killer-mini-mock--copilot {
  padding: 20px;
  display: flex;
  justify-content: center;
}

.km-phone {
  width: 100%;
  max-width: 280px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(22, 28, 40, 0.95);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.km-phone-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 0.75rem;
  font-weight: 600;
}

.km-label {
  margin: 0 0 2px;
  font-size: 0.6875rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.km-value {
  margin: 0 0 14px;
  font-size: 0.875rem;
  color: #cbd5e1;
}

.km-step {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px;
  margin-bottom: 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  opacity: 0.5;
}

.km-step--active {
  opacity: 1;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.killer-mini-mock--conflict,
.killer-mini-mock--parts,
.killer-mini-mock--handoff,
.killer-mini-mock--offline {
  padding: 16px 18px;
}

.km-conflict-title {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #fcd34d;
}

.km-doc {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  border-radius: 8px;
  font-size: 0.75rem;
}

.km-doc--old {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.25);
  text-decoration: line-through;
  opacity: 0.75;
}

.km-doc--new {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.km-part-id {
  margin: 0 0 12px;
  font-weight: 600;
  font-size: 0.875rem;
}

.km-part-rows {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}

.km-part-rows div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.75rem;
}

.km-part-rows span:first-child {
  color: #64748b;
}

.km-handoff-head {
  margin: 0 0 10px;
  font-weight: 600;
  font-size: 0.875rem;
}

.km-handoff-list {
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
  font-size: 0.75rem;
  color: #cbd5e1;
}

.km-handoff-list li {
  padding: 5px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.km-offline-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.km-offline-badge {
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(245, 158, 11, 0.2);
  color: #fcd34d;
  font-size: 0.6875rem;
  text-transform: uppercase;
}

.km-offline-list {
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
  font-size: 0.8125rem;
  color: #cbd5e1;
}

.km-offline-list li {
  padding: 4px 0;
}

.km-foot {
  margin: 0;
  font-size: 0.6875rem;
  color: #64748b;
}

/* FAQ */
.faq {
  padding: 96px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: start;
}

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.faq-q:hover {
  color: var(--blue);
}

.faq-icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--blue);
}

.faq-a {
  display: none;
  padding-bottom: 22px;
}

.faq-item.open .faq-a {
  display: block;
}

.faq-a p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 560px;
}

/* Contact form */
.contact-form {
  padding: 88px 0;
  scroll-margin-top: var(--nav-height);
  border-top: 1px solid var(--border);
  background: #f9fafb;
}

.contact-form-inner {
  max-width: 720px;
}

.demo-form__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.demo-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.demo-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.demo-form__field--full {
  margin-bottom: 24px;
}

.demo-form__label {
  font-size: 0.875rem;
  font-weight: 500;
}

.demo-form__label abbr {
  text-decoration: none;
  color: #ef4444;
}

.demo-form__field input,
.demo-form__field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.demo-form__field input:focus,
.demo-form__field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(18, 100, 209, 0.12);
}

.demo-form__field input:invalid:not(:placeholder-shown) {
  border-color: #fca5a5;
}

.demo-form__field textarea {
  resize: vertical;
  min-height: 88px;
}

.demo-form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.demo-form__note {
  margin: 0;
  flex: 1;
  min-width: 200px;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.demo-form__status {
  margin: 20px 0 0;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.9375rem;
}

.demo-form__status--ok {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.demo-form__status--err {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.demo-form button[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
}

/* CTA banner */
.cta-banner {
  padding: 88px 0;
  background: linear-gradient(135deg, #0b172a 0%, #1e3a5f 100%);
  color: var(--white);
}

.cta-banner-inner {
  text-align: center;
}

.cta-banner-inner p {
  margin: 0 auto 32px;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.65;
}

.cta-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* Footer */
.site-footer {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}

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

.footer-brand p {
  margin: 16px 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

.footer-cols div {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-cols strong {
  font-size: 0.8125rem;
  margin-bottom: 4px;
}

.footer-cols a {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-cols a:hover {
  color: var(--blue);
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --side-padding: 24px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero-grid,
  .platform-panel-grid,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-title,
  .hero-desc {
    max-width: none;
  }

  .feature-cards,
  .killer-more-grid {
    grid-template-columns: 1fr;
  }

  .killer-feature--hero {
    grid-template-columns: 1fr;
    padding: 24px;
  }

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

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

@media (max-width: 640px) {
  .header-actions .btn-primary {
    padding: 8px 14px;
    font-size: 0.8125rem;
  }

  .platform-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
  }

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