:root {
  --bg: #08111f;
  --bg-soft: #0d1727;
  --card: rgba(15, 23, 42, 0.7);
  --card-solid: #111c2d;
  --text: #e5eefc;
  --muted: #96a8c5;
  --line: rgba(148, 163, 184, 0.16);
  --primary: #3b82f6;
  --primary-2: #22d3ee;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --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(59, 130, 246, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(34, 211, 238, 0.12), transparent 25%),
    linear-gradient(180deg, #07101d 0%, #091323 45%, #07111e 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: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 95%);
}

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

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

.site-shell {
  position: relative;
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(7, 16, 29, 0.72);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-logo {
  width: 36px !important;
  height: 36px !important;
  min-width: 36px;
  min-height: 36px;
  max-width: 36px !important;
  max-height: 36px !important;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-text strong,
.footer-brand strong {
  color: var(--primary-2);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(59, 130, 246, 0.35);
  background: rgba(59, 130, 246, 0.12);
}

.nav-cta-secondary {
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 1.1rem;
}

.hero {
  padding: 72px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.24);
  background: rgba(34, 211, 238, 0.08);
  color: #b8f4ff;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1,
.section-head h2,
.cta-box h2,
.audience-grid h2 {
  margin: 18px 0 16px;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.8rem);
  max-width: 10ch;
}

.hero h1 span {
  color: var(--primary-2);
}

.hero-text,
.section-head p,
.audience-text,
.cta-box p,
.faq-list p,
.feature-card p,
.step-card p,
.mini-card p,
.stat-card span {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 62ch;
  font-size: 1.05rem;
}

.hero-actions,
.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.26);
}

.btn-secondary {
  color: var(--white);
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(255, 255, 255, 0.03);
}

.hero-badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 26px 0 0;
}

.hero-badges li {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.14);
  color: #d9e9ff;
  font-size: 0.92rem;
}

.hero-visual {
  position: relative;
}

.visual-window {
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(10, 19, 34, 0.95), rgba(10, 18, 30, 0.88));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.window-topbar {
  display: flex;
  gap: 8px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.window-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.workspace {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 470px;
}

.workspace-sidebar {
  padding: 20px;
  border-right: 1px solid rgba(148, 163, 184, 0.12);
  background: rgba(255, 255, 255, 0.02);
}

.sidebar-title {
  font-weight: 600;
  margin-bottom: 14px;
}

.search-field,
.result {
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(255, 255, 255, 0.03);
}

.search-field {
  color: #eff6ff;
  padding: 12px 14px;
  margin-bottom: 16px;
}

.result-list {
  display: grid;
  gap: 10px;
}

.result {
  padding: 12px 14px;
  color: #cfe4ff;
  font-size: 0.92rem;
}

.result.active {
  border-color: rgba(34, 211, 238, 0.34);
  background: rgba(34, 211, 238, 0.1);
}

.workspace-board {
  position: relative;
  min-height: 470px;
  background:
    radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.08), transparent 20%),
    radial-gradient(circle at 78% 35%, rgba(34, 211, 238, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(8, 14, 26, 0.4), rgba(8, 14, 26, 0.2));
}

.board-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 26px 26px;
}

.chip {
  position: absolute;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
  font-size: 0.9rem;
  font-weight: 600;
  color: #f8fbff;
}

.chip-a { top: 88px; left: 90px; border-color: rgba(34, 211, 238, 0.36); }
.chip-b { top: 248px; left: 295px; }
.chip-c { top: 128px; right: 112px; }
.chip-d { bottom: 72px; left: 170px; }

.trace,
.dot {
  position: absolute;
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.08), rgba(34, 211, 238, 0.95));
}

.trace-1 {
  top: 116px;
  left: 182px;
  width: 238px;
  height: 4px;
  border-radius: 999px;
}

.trace-2 {
  top: 120px;
  left: 416px;
  width: 4px;
  height: 138px;
  border-radius: 999px;
}

.trace-3 {
  top: 256px;
  left: 300px;
  width: 120px;
  height: 4px;
  border-radius: 999px;
}

.dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(34, 211, 238, 0.08), 0 0 20px rgba(34, 211, 238, 0.36);
}

.dot-1 { top: 111px; left: 176px; }
.dot-2 { top: 112px; left: 412px; }
.dot-3 { top: 249px; left: 412px; }

.stats {
  padding: 10px 0 20px;
}

.stats-grid,
.feature-grid,
.steps-grid,
.audience-cards {
  display: grid;
  gap: 18px;
}

.stats-grid {
  grid-template-columns: repeat(4, 1fr);
}

.stat-card,
.feature-card,
.step-card,
.mini-card,
.cta-box,
.faq-list details {
  border: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 20px 22px;
  border-radius: var(--radius-lg);
}

.stat-card strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.section {
  padding: 84px 0;
}

.section.muted {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(148, 163, 184, 0.06);
  border-bottom: 1px solid rgba(148, 163, 184, 0.06);
}

.section-head {
  max-width: 820px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-head.left {
  text-align: left;
  margin-left: 0;
}

.section-head.narrow {
  max-width: 640px;
}

.section-head h2,
.cta-box h2,
.audience-grid h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.feature-grid {
  grid-template-columns: repeat(3, 1fr);
}

.feature-card,
.step-card,
.mini-card {
  padding: 26px;
  border-radius: var(--radius-lg);
}

.feature-card h3,
.step-card h3,
.mini-card h3,
.faq-list summary {
  margin: 0 0 10px;
  font-size: 1.12rem;
}

.steps-grid {
  grid-template-columns: repeat(4, 1fr);
}

.step-index {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--primary-2);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.audience-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: start;
}

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

.faq-wrap {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 32px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  border-radius: 18px;
  padding: 18px 22px;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin: 12px 0 0;
}

.cta-section {
  padding-top: 52px;
}

.cta-box {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
  padding: 34px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(17, 28, 45, 0.96), rgba(8, 20, 36, 0.96));
}

.site-footer {
  padding: 32px 0 50px;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

.footer-brand {
  font-size: 1.15rem;
  font-weight: 700;
}

.footer-row p,
.footer-meta {
  color: var(--muted);
}

.footer-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 1080px) {
  .hero-grid,
  .audience-grid,
  .faq-wrap,
  .cta-box {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 820px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 16px;
    border-radius: 20px;
    background: rgba(7, 16, 29, 0.96);
    border: 1px solid rgba(148, 163, 184, 0.12);
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

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

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

  .workspace-sidebar {
    border-right: 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  }

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

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

  .hero {
    padding-top: 42px;
  }

  .hero-badges,
  .hero-actions,
  .cta-actions,
  .footer-row,
  .footer-meta {
    flex-direction: column;
    align-items: stretch;
  }

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

  .visual-window {
    border-radius: 22px;
  }

  .workspace-board {
    min-height: 360px;
  }

  .chip-a { top: 62px; left: 32px; }
  .chip-b { top: 212px; left: 148px; }
  .chip-c { top: 82px; right: 34px; }
  .chip-d { bottom: 36px; left: 94px; }

  .trace-1 { top: 88px; left: 112px; width: 144px; }
  .trace-2 { top: 92px; left: 252px; height: 114px; }
  .trace-3 { top: 206px; left: 180px; width: 72px; }

  .dot-1 { top: 82px; left: 108px; }
  .dot-2 { top: 84px; left: 246px; }
  .dot-3 { top: 200px; left: 246px; }

  .cta-box {
    padding: 26px;
  }
}

.nav-version,
.footer-version {
  border: 1px solid rgba(34, 211, 238, 0.24);
  background: rgba(34, 211, 238, 0.08);
  color: #b8f4ff;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

.nav-user {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.hero-note {
  margin-top: 16px;
  color: #b8f4ff;
}

.warning-note {
  color: #fde68a;
  border-color: rgba(245, 158, 11, 0.28) !important;
  background: rgba(245, 158, 11, 0.1) !important;
}

.support-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.is-disabled {
  pointer-events: none;
  opacity: 0.55;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 40;
}

.modal-overlay.is-hidden {
  display: none;
}

.modal-card {
  width: min(920px, 100%);
  max-height: min(82vh, 900px);
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: rgba(9, 19, 35, 0.96);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.modal-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 24px 12px;
}

.modal-header h3 {
  margin: 10px 0 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.modal-close {
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-size: 1.35rem;
  cursor: pointer;
}

.modal-body {
  padding: 0 24px 24px;
  overflow: auto;
  max-height: calc(82vh - 90px);
}

.release-item {
  padding: 16px 0;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.release-item:first-child {
  border-top: none;
}

.release-meta {
  color: #8fdcff;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.release-item h4 {
  margin: 8px 0 10px;
  font-size: 1.1rem;
}

.release-item ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.7;
}

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

/* ── Hero screenshot (real app screen) ──────────────────────────────────────── */
.hero-screenshot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  object-fit: cover;
  object-position: top left;
}
/* ─────────────────────────────────────────────────────────────────────────── */