:root {
  --bg: #08101e;
  --bg-soft: rgba(12, 22, 40, 0.9);
  --panel: rgba(15, 25, 45, 0.82);
  --panel-2: rgba(17, 29, 52, 0.96);
  --line: rgba(255, 255, 255, 0.1);
  --text: #f3f7ff;
  --muted: #a8b4ca;
  --blue: #6ea8ff;
  --blue-strong: #4f8eff;
  --blue-soft: rgba(110, 168, 255, 0.14);
  --green: #62d3b7;
  --shadow: 0 20px 80px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 142, 255, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(98, 211, 183, 0.12), transparent 22%),
    linear-gradient(180deg, #09111f 0%, #070d19 100%);
}

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

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at center, rgba(0,0,0,1), rgba(0,0,0,0.14));
}

.page-shell {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 104px 0;
}

.section-muted {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(5, 10, 18, 0.56);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-logo {
  height: 48px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button-small {
  padding: 11px 16px;
  font-size: 0.92rem;
}

.button-primary {
  color: #061123;
  background: linear-gradient(135deg, #9bc0ff, #62d3b7);
  box-shadow: 0 10px 40px rgba(98, 211, 183, 0.14);
}

.button-secondary,
.button-ghost {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.hero {
  padding-top: 72px;
  padding-bottom: 76px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(420px, 0.97fr);
  align-items: center;
  gap: 56px;
}

.eyebrow {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--blue-soft);
  border: 1px solid rgba(110, 168, 255, 0.18);
  color: #d7e5ff;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero-copy h1,
.section-heading h2,
.problem-grid h2,
.final-cta-box h2,
.audience-box h2 {
  margin: 16px 0 18px;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 7vw, 4.9rem);
}

.hero-text,
.hero-note,
.problem-grid p,
.section-heading p,
.feature-card p,
.timeline-item p,
.compare-card li,
.final-cta-box p,
.audience-box p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 620px;
  font-size: 1.08rem;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 30px;
}

.hero-points span,
.search-pill,
.audience-chips span,
.compare-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: #d6dff0;
  font-size: 0.92rem;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 0.95rem;
}

.hero-visual {
  position: relative;
  min-height: 580px;
}

.product-window {
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(19, 31, 54, 0.96), rgba(10, 18, 33, 0.96));
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.window-main {
  transform: perspective(1600px) rotateY(-10deg) rotateX(5deg);
}

.window-bar {
  display: flex;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.03);
}

.window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.14);
}

.window-body {
  padding: 20px;
}

.split-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 18px;
}

.board-panel,
.db-panel,
.sync-card,
.feature-card,
.compare-card,
.visual-card,
.audience-box,
.final-cta-box,
.timeline-item,
.problem-strip,
.floating-card {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}

.board-panel,
.db-panel {
  border-radius: 20px;
  padding: 16px;
}

.panel-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.panel-title-row strong {
  color: var(--text);
  font-size: 1rem;
}

.mini-card {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 12px;
}

.mini-card small,
.floating-card span {
  display: block;
  color: #9cb2d1;
  margin-bottom: 6px;
}

.mini-card strong,
.floating-card strong,
.sync-card strong {
  display: block;
  margin-bottom: 6px;
}

.mini-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.mini-card.active {
  border-color: rgba(110,168,255,0.44);
  background: rgba(110, 168, 255, 0.11);
}

.db-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.db-table {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}

.db-row {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 0.6fr;
  gap: 12px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: #dce7fb;
}

.db-row.header {
  background: rgba(255,255,255,0.06);
  color: #a7bbd8;
  font-size: 0.88rem;
}

.db-row:last-child {
  border-bottom: 0;
}

.sync-card {
  border-radius: 18px;
  margin-top: 16px;
  padding: 16px;
  background: rgba(98, 211, 183, 0.08);
}

.sync-card p {
  margin: 0;
  color: #c9dbf1;
  line-height: 1.6;
}

.floating-card {
  position: absolute;
  right: -16px;
  padding: 16px 18px;
  border-radius: 18px;
  max-width: 220px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.floating-top {
  top: 44px;
}

.floating-bottom {
  bottom: 32px;
  left: -12px;
  right: auto;
}

.problem-strip {
  margin-top: 12px;
  border-radius: 28px;
  padding: 30px 34px;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 30px;
  align-items: center;
}

.problem-grid h2,
.section-heading h2,
.final-cta-box h2,
.audience-box h2 {
  font-size: clamp(2rem, 5vw, 3rem);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.feature-grid,
.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card,
.visual-card,
.compare-card,
.audience-box,
.final-cta-box {
  border-radius: 24px;
}

.feature-card {
  padding: 24px;
}

.feature-card h3 {
  margin: 12px 0 8px;
  font-size: 1.12rem;
}

.feature-icon,
.timeline-index {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(110,168,255,0.13);
  border: 1px solid rgba(110,168,255,0.22);
  color: #d8e7ff;
  font-size: 0.9rem;
  font-weight: 700;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}

.compare-card {
  padding: 28px;
}

.compare-card-highlight {
  background: linear-gradient(180deg, rgba(79, 142, 255, 0.14), rgba(98, 211, 183, 0.08));
}

.compare-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
}

.compare-card li {
  margin: 10px 0;
}

.compare-arrow {
  font-size: 2rem;
  color: rgba(255,255,255,0.34);
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 24px;
  border-radius: 22px;
}

.timeline-item h3 {
  margin: 2px 0 8px;
}

.timeline-item p {
  margin: 0;
}

.visual-card {
  overflow: hidden;
}

.visual-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: rgba(255,255,255,0.03);
}

.visual-card figcaption {
  padding: 16px 18px 20px;
  color: #d3deef;
}

.audience-box,
.final-cta-box {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 28px;
  padding: 30px;
}

.audience-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.final-cta-box {
  align-items: center;
  background: linear-gradient(180deg, rgba(13, 23, 41, 0.95), rgba(7, 14, 26, 0.95));
}

.site-footer {
  padding: 30px 0 60px;
}

.footer-wrap {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

.footer-info {
  margin: 0;
}

.footer-copyright {
  margin: 8px 0 0;
  font-size: 0.8rem;
}

/* ── Mobile menu ── */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  padding: 0 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav nav a {
  display: block;
  padding: 14px 16px;
  color: var(--muted);
  text-decoration: none;
  border-radius: 14px;
  transition: background 0.2s ease, color 0.2s ease;
}

.mobile-nav nav a:hover,
.mobile-nav nav a:focus {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

.mobile-nav.open {
  display: block;
}

.hide-mobile {
  display: inline-flex;
}

/* ── Header scroll effect ── */
.site-header.scrolled {
  background: rgba(5, 10, 18, 0.82);
  border-bottom-color: rgba(255,255,255,0.1);
}

/* ── Feature card hover ── */
.feature-card {
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(110, 168, 255, 0.22);
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero-grid,
  .problem-grid,
  .audience-box,
  .final-cta-box,
  .feature-grid,
  .visual-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: unset;
  }

  .window-main {
    transform: none;
  }

  .floating-card {
    position: static;
    margin-top: 16px;
    max-width: none;
  }

  .compare-arrow {
    display: none;
  }
}

@media (max-width: 880px) {
  .nav-links,
  .hide-mobile {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .split-layout {
    grid-template-columns: 1fr;
  }

  .section,
  .hero {
    padding: 72px 0;
  }

  .problem-strip,
  .feature-card,
  .compare-card,
  .timeline-item,
  .audience-box,
  .final-cta-box {
    padding: 22px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .site-header {
    position: static;
  }

  .hero-copy h1 {
    font-size: 2.55rem;
  }

  .button,
  .button-small {
    width: 100%;
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .hero-points {
    flex-direction: column;
  }

  .window-body,
  .board-panel,
  .db-panel {
    padding: 14px;
  }

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

  .footer-wrap {
    font-size: 0.75rem;
  }
}