/* ==========================================================================
   LIVPERO — Design tokens
   ========================================================================== */
:root {
  /* Color */
  --bg: #0A0A0B;
  --bg-raised: #0F1011;
  --surface: #141416;
  --surface-2: #191A1D;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #F5F5F7;
  --text-muted: #9A9AA2;
  --text-faint: #6C6C74;
  --accent: #00C2BA;
  --accent-dim: #04938C;
  --accent-glow: rgba(0, 194, 186, 0.20);
  --accent-glow-soft: rgba(0, 194, 186, 0.10);

  /* Type */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Inter Tight', 'Inter', -apple-system, sans-serif;

  /* Layout */
  --container: 1240px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --nav-height: 76px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --speed-fast: 0.2s;
  --speed-med: 0.5s;
  --speed-slow: 0.9s;
}

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea { font: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 24px;
  background: var(--accent);
  color: #04211F;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 999;
  transition: top var(--speed-fast) var(--ease);
}
.skip-link:focus { top: 16px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  margin-bottom: 16px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 520px;
}

.accent-text { color: var(--accent); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  transition: color var(--speed-fast) var(--ease), gap var(--speed-fast) var(--ease);
}
.text-link span { transition: transform var(--speed-fast) var(--ease); color: var(--accent); }
.text-link:hover { color: var(--accent); }
.text-link:hover span { transform: translateX(3px); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  white-space: nowrap;
  transition: transform var(--speed-fast) var(--ease), box-shadow var(--speed-fast) var(--ease), background var(--speed-fast) var(--ease), border-color var(--speed-fast) var(--ease);
}

.btn-primary {
  background: var(--accent);
  color: #04211F;
  box-shadow: 0 0 0 0 rgba(0,194,186,0);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -6px var(--accent-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-nav { padding: 10px 20px; font-size: 0.88rem; }

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 11, 0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--speed-fast) var(--ease), border-color var(--speed-fast) var(--ease);
}
.nav.scrolled {
  background: rgba(10, 10, 11, 0.82);
  border-bottom-color: var(--border);
}

.nav-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.nav-logo-mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), #067871);
  box-shadow: 0 0 16px var(--accent-glow-soft);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-right: auto;
}

.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 0;
  transition: color var(--speed-fast) var(--ease);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width var(--speed-fast) var(--ease);
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--text); }
.nav-link.active::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  margin: 0 auto;
  transition: transform var(--speed-fast) var(--ease), opacity var(--speed-fast) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(10, 10, 11, 0.98);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  padding: 12px 24px 28px;
  gap: 4px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--speed-fast) var(--ease), opacity var(--speed-fast) var(--ease);
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-link {
  padding: 14px 4px;
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.mobile-link:hover { color: var(--text); }
.mobile-cta { margin-top: 16px; width: 100%; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: calc(var(--nav-height) + 96px) 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-glow {
  position: absolute;
  top: -220px;
  left: 50%;
  transform: translateX(-38%);
  width: 900px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0,194,186,0) 68%);
  filter: blur(10px);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 20%, transparent 75%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 56px;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.85rem);
  margin-bottom: 24px;
  max-width: 620px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}

.hero-trust {
  font-size: 0.85rem;
  color: var(--text-faint);
}

/* Hero visual / dashboard */
.hero-visual {
  position: relative;
  min-height: 480px;
}

.dashboard-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle at 40% 30%, var(--accent-glow-soft), transparent 65%);
  filter: blur(20px);
  z-index: 0;
}

.dashboard-card {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 26px 28px 30px;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.02) inset;
  max-width: 400px;
  margin: 0 auto;
}

.dashboard-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.dashboard-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.dashboard-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.flow-list { display: flex; flex-direction: column; }
.flow-step {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 11px 14px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.flow-step-final {
  border-color: rgba(0,194,186,0.35);
  background: linear-gradient(180deg, rgba(0,194,186,0.10), rgba(0,194,186,0.02));
}
.flow-index {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0,194,186,0.12);
  border-radius: 5px;
  padding: 2px 6px;
}
.flow-arrow {
  text-align: center;
  color: var(--text-faint);
  font-size: 0.9rem;
  padding: 4px 0;
}

.float-card {
  position: absolute;
  z-index: 2;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 16px 40px -14px rgba(0,0,0,0.6);
  animation: float 6s ease-in-out infinite;
}
.float-card::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: middle;
}
.float-card-1 { top: 2%; left: -6%; animation-delay: 0s; }
.float-card-2 { top: 22%; right: -10%; animation-delay: 1.2s; }
.float-card-3 { top: 52%; left: -12%; animation-delay: 2.4s; }
.float-card-4 { bottom: 10%; right: -8%; animation-delay: 0.6s; }
.float-card-5 { bottom: -4%; left: 8%; animation-delay: 1.8s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ==========================================================================
   Marquee
   ========================================================================== */
.marquee-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 26px 0;
  overflow: hidden;
  background: var(--bg-raised);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee-group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.marquee-group span {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  padding: 0 28px;
  position: relative;
}
.marquee-group span::after {
  content: '/';
  position: absolute;
  right: 0;
  color: var(--accent);
  opacity: 0.5;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   Sections generic
   ========================================================================== */
.section { padding: 110px 0; }

.card-grid {
  display: grid;
  gap: 24px;
}
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ==========================================================================
   Problem cards
   ========================================================================== */
.problem-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  transition: border-color var(--speed-fast) var(--ease), transform var(--speed-fast) var(--ease), background var(--speed-fast) var(--ease);
}
.problem-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  background: var(--surface-2);
}
.card-number {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-faint);
  margin-bottom: 20px;
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(0,194,186,0.10);
  color: var(--accent);
  margin-bottom: 20px;
}
.card-icon svg { width: 22px; height: 22px; }
.problem-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.problem-card p {
  color: var(--text-muted);
  font-size: 0.96rem;
}
.card-line {
  display: block;
  width: 32px;
  height: 2px;
  background: var(--accent);
  margin-top: 24px;
  transition: width var(--speed-med) var(--ease);
}
.problem-card:hover .card-line { width: 56px; }

/* ==========================================================================
   Solutions / System cards
   ========================================================================== */
.system-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: border-color var(--speed-fast) var(--ease), transform var(--speed-fast) var(--ease);
}
.system-card:hover { border-color: var(--border-strong); transform: translateY(-4px); }

.system-card-featured {
  border-color: rgba(0,194,186,0.35);
  background: linear-gradient(180deg, rgba(0,194,186,0.06), var(--surface) 40%);
  box-shadow: 0 0 0 1px rgba(0,194,186,0.08), 0 30px 60px -30px var(--accent-glow-soft);
}

.system-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(0,194,186,0.10);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 18px;
  width: fit-content;
}
.system-card h3 { font-size: 1.4rem; margin-bottom: 10px; }
.system-desc { color: var(--text-muted); font-size: 0.96rem; margin-bottom: 24px; }

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  flex-grow: 1;
}
.feature-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.92rem;
  color: var(--text);
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 7px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0.85;
}

/* ==========================================================================
   How it works / timeline
   ========================================================================== */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.timeline-line {
  position: absolute;
  top: 17px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-strong) 10%, var(--border-strong) 90%, transparent);
}
.timeline-step { position: relative; }
.timeline-index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--bg);
}
.timeline-step h3 { font-size: 1.15rem; margin-bottom: 10px; }
.timeline-step p { color: var(--text-muted); font-size: 0.92rem; }

/* ==========================================================================
   Metrics
   ========================================================================== */
.metrics {
  padding: 90px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.metric-card { text-align: left; }
.metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.metric-label {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   Individual solutions / mini cards
   ========================================================================== */
.individual-grid { grid-template-columns: repeat(3, 1fr); }
.mini-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 26px;
  transition: border-color var(--speed-fast) var(--ease), transform var(--speed-fast) var(--ease);
}
.mini-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.mini-category {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 16px;
}
.mini-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(0,194,186,0.10);
  color: var(--accent);
  margin-bottom: 16px;
}
.mini-icon svg { width: 20px; height: 20px; }
.mini-card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.mini-card p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 18px; }

/* ==========================================================================
   Industries
   ========================================================================== */
.industries-grid { grid-template-columns: repeat(4, 1fr); }
.industry-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  min-height: 190px;
  overflow: hidden;
  cursor: default;
  transition: border-color var(--speed-fast) var(--ease), transform var(--speed-fast) var(--ease);
}
.industry-card:hover, .industry-card:focus-within {
  border-color: rgba(0,194,186,0.4);
  transform: translateY(-3px);
}
.industry-card .card-number { color: var(--accent); opacity: 0.6; margin-bottom: 16px; }
.industry-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.industry-short, .industry-hover {
  font-size: 0.88rem;
  color: var(--text-muted);
  grid-row: 3;
}
.industry-hover {
  position: absolute;
  left: 24px; right: 24px; bottom: 26px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--speed-fast) var(--ease), transform var(--speed-fast) var(--ease);
}
.industry-short {
  transition: opacity var(--speed-fast) var(--ease);
}
.industry-card:hover .industry-short,
.industry-card:focus-within .industry-short {
  opacity: 0;
}
.industry-card:hover .industry-hover,
.industry-card:focus-within .industry-hover {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Demo dashboard
   ========================================================================== */
.demo-dashboard {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 40px 100px -40px rgba(0,0,0,0.6);
}
.demo-top-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.demo-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-bottom: 36px;
}
.demo-stat {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 18px;
}
.demo-stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
}
.demo-stat-label { font-size: 0.82rem; color: var(--text-muted); }

.demo-feed {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.feed-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.92rem;
}
.feed-time {
  font-family: var(--font-display);
  color: var(--text-faint);
  font-size: 0.82rem;
  width: 46px;
  flex-shrink: 0;
}
.feed-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.feed-text { color: var(--text); }

/* ==========================================================================
   Why Livpero
   ========================================================================== */
.why-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  transition: border-color var(--speed-fast) var(--ease), transform var(--speed-fast) var(--ease);
}
.why-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.why-index {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.85;
  margin-bottom: 18px;
}
.why-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.why-card p { color: var(--text-muted); font-size: 0.92rem; }

/* ==========================================================================
   CTA section
   ========================================================================== */
.cta-section {
  position: relative;
  padding: 120px 0;
  text-align: center;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 900px; height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(30px);
  z-index: 0;
}
.cta-inner { position: relative; z-index: 1; }
.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 auto 16px;
  max-width: 700px;
}
.cta-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 34px;
}
.cta-section .hero-actions { justify-content: center; margin-bottom: 0; }

/* ==========================================================================
   FAQ / Accordion
   ========================================================================== */
.accordion {
  max-width: 760px;
  border-top: 1px solid var(--border);
}
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  padding: 24px 4px;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text);
  transition: color var(--speed-fast) var(--ease);
}
.accordion-trigger:hover { color: var(--accent); }
.accordion-icon {
  position: relative;
  flex-shrink: 0;
  width: 22px; height: 22px;
  margin-left: 20px;
}
.accordion-icon::before, .accordion-icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  background: var(--text-muted);
  transition: transform var(--speed-fast) var(--ease), background var(--speed-fast) var(--ease);
}
.accordion-icon::before { width: 13px; height: 1.5px; transform: translate(-50%, -50%); }
.accordion-icon::after { width: 1.5px; height: 13px; transform: translate(-50%, -50%); }
.accordion-trigger[aria-expanded="true"] .accordion-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.accordion-trigger[aria-expanded="true"] .accordion-icon::before { background: var(--accent); }

.accordion-panel {
  height: 0;
  overflow: hidden;
  transition: height var(--speed-med) var(--ease);
}
.accordion-panel p {
  padding: 0 4px 24px;
  color: var(--text-muted);
  font-size: 0.96rem;
  max-width: 640px;
}

/* ==========================================================================
   Final CTA
   ========================================================================== */
.final-cta { padding: 100px 0 130px; }
.final-cta-inner {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}
.final-cta-title { font-size: clamp(1.8rem, 3.2vw, 2.4rem); margin-bottom: 14px; }
.final-cta-text { color: var(--text-muted); margin-bottom: 30px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border);
  padding-top: 72px;
  background: var(--bg-raised);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 56px;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 18px 0 22px;
  max-width: 280px;
}
.social-icons { display: flex; gap: 12px; }
.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: color var(--speed-fast) var(--ease), border-color var(--speed-fast) var(--ease);
}
.social-icon svg { width: 16px; height: 16px; }
.social-icon:hover { color: var(--accent); border-color: var(--accent); }

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  font-size: 0.92rem;
  color: var(--text-muted);
  padding: 7px 0;
  transition: color var(--speed-fast) var(--ease);
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding: 24px 32px;
  font-size: 0.85rem;
  color: var(--text-faint);
}
.footer-legal { display: flex; gap: 24px; }
.footer-legal a:hover { color: var(--accent); }

/* ==========================================================================
   Scroll-reveal
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--speed-slow) var(--ease), transform var(--speed-slow) var(--ease);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1200px) {
  .demo-stats { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  :root { --container: 960px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; margin: 40px auto 0; }
  .hero-copy { text-align: left; }
  .card-grid-3, .card-grid-4, .industries-grid, .individual-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / -1; margin-bottom: 12px; }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
  .timeline-line { display: none; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: flex; }
  .btn-nav { display: none; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .container { padding: 0 24px; }
  .nav-inner { padding: 0 24px; }
  .hero { padding: calc(var(--nav-height) + 56px) 0 70px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .card-grid-3, .card-grid-4, .industries-grid, .individual-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .demo-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr; }
  .cta-section .hero-actions { flex-direction: column; }
  .cta-section .hero-actions .btn { width: 100%; }
  .footer-bottom { flex-direction: column; gap: 14px; text-align: center; padding: 24px; }
  .float-card { display: none; }
  .dashboard-card { max-width: 100%; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.1rem; }
  .section-title { font-size: 1.7rem; }
  .metrics-grid { grid-template-columns: 1fr; }
  .demo-stats { grid-template-columns: 1fr 1fr; }
  .demo-dashboard { padding: 24px 20px; }
  .footer-inner { grid-template-columns: 1fr; }
  .btn-lg { width: 100%; }
}

@media (max-width: 360px) {
  .container { padding: 0 18px; }
  .nav-inner { padding: 0 18px; }
  .dashboard-card { padding: 20px 18px 24px; }
}