/* ============================================================
   FlowVision Website — style.css
   Dark scientific theme. Mobile-first. No frameworks.
   ============================================================ */

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

:root {
  --bg:        #0d1117;
  --bg-2:      #111827;
  --bg-alt:    #0a0f18;
  --surface:   #161d2e;
  --surface-2: #1e2a3f;
  --border:    rgba(99,120,180,0.15);
  --border-hi: rgba(99,120,180,0.35);

  --blue:      #3b82f6;
  --blue-dim:  #1d4ed8;
  --cyan:      #06b6d4;
  --teal:      #14b8a6;
  --purple:    #8b5cf6;
  --green:     #22c55e;
  --red:       #ef4444;
  --amber:     #f59e0b;

  --text:      #e2e8f0;
  --text-2:    #94a3b8;
  --text-3:    #64748b;

  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --font-body: 'Inter', system-ui, sans-serif;
  --font-head: 'Space Grotesk', 'Inter', sans-serif;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4), 0 1px 4px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 60px rgba(59,130,246,0.15);
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Utility ── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 50%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  cursor: pointer; border: none; transition: all .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dim) 100%);
  color: #fff;
  box-shadow: 0 0 24px rgba(59,130,246,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 32px rgba(59,130,246,0.55);
}
.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border-hi);
}
.btn-ghost:hover { color: var(--text); border-color: var(--blue); background: rgba(59,130,246,0.06); }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 10px; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--blue);
  color: var(--blue);
}
.btn-outline:hover { background: rgba(59,130,246,0.1); }
.break-lg { display: none; }
@media (min-width: 768px) { .break-lg { display: block; } }

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
.nav.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
.nav-inner {
  max-width: 1180px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; gap: 32px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 700; font-size: 13px;
  color: #fff; letter-spacing: -0.5px;
  box-shadow: 0 0 14px rgba(59,130,246,0.4);
  flex-shrink: 0;
}
.logo-mark.small { width: 28px; height: 28px; font-size: 11px; }
.logo-icon {
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(59,130,246,0.45));
  border-radius: 8px;
}
.logo-wordmark {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1;
}
.logo-flow   { color: #4a9eff; }
.logo-vision { color: #4ade80; }
.footer-logo .logo-wordmark { font-size: 18px; }
.logo-text { font-family: var(--font-head); font-weight: 700; font-size: 17px; letter-spacing: -0.3px; }
.nav-links {
  display: flex; list-style: none; gap: 28px; margin-left: auto;
}
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--text-2);
  transition: color .2s; padding: 4px 0;
}
.nav-links a:hover { color: var(--text); }
.nav-cta { margin-left: 12px; padding: 8px 18px; font-size: 14px; }
.nav-hamburger { display: none; }

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg-2); padding: 16px 24px; border-bottom: 1px solid var(--border); gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; margin-left: auto; }
  .nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text-2); border-radius: 2px; transition: all .2s; }
}

/* ── HERO ── */
.hero {
  padding-top: 64px;
  position: relative; overflow: hidden;
  background: var(--bg);
  min-height: 100vh;
  display: flex; flex-direction: column;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}
.hero-glow {
  position: absolute; border-radius: 50%;
  filter: blur(120px); opacity: 0.2; pointer-events: none;
}
.hero-glow-1 { width: 600px; height: 600px; background: var(--blue); top: -200px; left: -100px; }
.hero-glow-2 { width: 500px; height: 500px; background: var(--cyan); top: -100px; right: -150px; }
.hero-scatter { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.12; pointer-events: none; }
.hero-content {
  position: relative; z-index: 1;
  padding-top: 96px; padding-bottom: 64px;
  text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 100px;
  padding: 6px 14px; font-size: 13px; font-weight: 500; color: #93c5fd;
  margin-bottom: 28px;
  animation: fadeInDown .6s ease both;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(0.8)} }
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
  animation: fadeInDown .6s .1s ease both;
}
.hero-sub {
  font-size: clamp(15px, 2vw, 19px);
  color: var(--text-2); max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
  animation: fadeInDown .6s .2s ease both;
}
.hero-actions {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 20px;
  animation: fadeInDown .6s .3s ease both;
}
.hero-note {
  font-size: 13px; color: var(--text-3);
  animation: fadeInDown .6s .4s ease both;
}

/* App screenshot frame */
.hero-screenshot-wrap {
  position: relative; z-index: 1;
  padding-bottom: 0;
  margin-top: auto;
}
.hero-screenshot-frame {
  background: var(--surface);
  border: 1px solid var(--border-hi);
  border-radius: 12px 12px 0 0;
  overflow: hidden;
  box-shadow: 0 -8px 60px rgba(59,130,246,0.1), var(--shadow-card);
  animation: fadeInUp .7s .5s ease both;
  max-width: 960px; margin: 0 auto;
}
.frame-bar {
  height: 38px; background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px; padding: 0 14px;
}
.frame-dot { width: 12px; height: 12px; border-radius: 50%; }
.frame-dot.red    { background: #ef4444; }
.frame-dot.yellow { background: #f59e0b; }
.frame-dot.green  { background: #22c55e; }
.frame-title {
  flex: 1; text-align: center;
  font-size: 12px; color: var(--text-3);
  margin-right: 80px;
}
.frame-screen { position: relative; background: #0b1120; }
.app-screenshot { width: 100%; display: block; }
.no-screenshot .app-screenshot { display: none; }
.screenshot-placeholder {
  display: none; width: 100%;
}
.no-screenshot .screenshot-placeholder { display: block; }
.placeholder-plot { position: relative; }
#demoPlot { width: 100%; height: auto; display: block; }
.plot-overlay-ui {
  position: absolute; inset: 0; pointer-events: none;
}
.ui-sidebar {
  position: absolute; left: 0; top: 0; bottom: 0; width: 160px;
  background: rgba(13,17,23,0.7);
  border-right: 1px solid var(--border);
  padding: 12px 8px; display: flex; flex-direction: column; gap: 4px;
}
.ui-item {
  padding: 6px 10px; border-radius: 6px;
  font-size: 11px; color: var(--text-3); font-family: var(--font-body);
}
.ui-item.active { background: rgba(59,130,246,0.15); color: var(--blue); }
.ui-axis-label {
  position: absolute; font-size: 11px; color: var(--text-3);
  font-family: var(--font-body); letter-spacing: 0.5px;
}
.ui-x { bottom: 8px; left: 50%; transform: translateX(-50%); }
.ui-y {
  left: 168px; top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: center;
}

@keyframes fadeInDown { from{opacity:0;transform:translateY(-16px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeInUp   { from{opacity:0;transform:translateY(24px)}  to{opacity:1;transform:translateY(0)} }

/* ── STATS BAR ── */
.stats-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
}
.stat-item {
  text-align: center; padding: 16px 24px;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-value {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800; letter-spacing: -1px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 13px; color: var(--text-3); margin-top: 4px; }

/* ── SECTIONS ── */
.section { padding: 96px 0; }
.section-dark { background: var(--bg-alt); }
.section-alt  { background: var(--bg-2); }
.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
  font-size: 12px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 800; letter-spacing: -1.5px;
  line-height: 1.15; margin-bottom: 16px;
}
.section-sub { font-size: 17px; color: var(--text-2); max-width: 580px; margin: 0 auto; }

/* ── FEATURES GRID ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.feature-card:hover {
  border-color: var(--border-hi);
  box-shadow: 0 8px 40px rgba(59,130,246,0.12);
  transform: translateY(-3px);
}
.feature-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(6,182,212,0.15));
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.feature-icon svg { width: 22px; height: 22px; stroke: var(--cyan); }
.feature-title {
  font-family: var(--font-head); font-size: 16px;
  font-weight: 700; margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.feature-body { font-size: 14px; color: var(--text-2); line-height: 1.65; }

/* ── COMPARISON TABLE ── */
.comparison-table-wrap { overflow-x: auto; }
.comparison-table {
  width: 100%; border-collapse: collapse;
  font-size: 14px;
}
.comparison-table th, .comparison-table td {
  padding: 14px 20px; text-align: center;
  border-bottom: 1px solid var(--border);
}
.comparison-table th {
  font-family: var(--font-head); font-weight: 700; font-size: 14px;
  background: var(--surface); color: var(--text-2);
  position: sticky; top: 0;
}
.comparison-table th:first-child,
.comparison-table td:first-child { text-align: left; color: var(--text-2); }
.col-fv.highlight-col { color: var(--blue); }
.highlight-col { background: rgba(59,130,246,0.05); }
.check { color: var(--green); font-size: 18px; }
.cross { color: var(--text-3); font-size: 18px; }
.soon {
  display: inline-block; padding: 2px 8px;
  background: rgba(245,158,11,0.15); color: var(--amber);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 4px; font-size: 11px; font-weight: 600;
}
.price-cell { font-weight: 700; }
.comparison-table td.highlight-col.price-cell { color: var(--blue); font-size: 16px; }
.comparison-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ── PRICING ── */
.pricing-grid {
  display: flex; gap: 24px; justify-content: center;
  flex-wrap: wrap; max-width: 800px; margin: 0 auto;
}
.pricing-card {
  flex: 1; min-width: 280px; max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card.highlight {
  border-color: var(--blue);
  box-shadow: 0 0 40px rgba(59,130,246,0.2), var(--shadow-card);
}
.pricing-card.highlight::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}
.pricing-badge {
  display: inline-block; padding: 3px 10px;
  background: rgba(59,130,246,0.15); color: var(--blue);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 100px; font-size: 11px; font-weight: 700;
  letter-spacing: 0.5px; text-transform: uppercase;
  margin-bottom: 16px;
  width: fit-content;
}
.pricing-name { font-family: var(--font-head); font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.pricing-price-row { display: flex; align-items: baseline; gap: 6px; margin-bottom: 4px; }
.pricing-price { font-family: var(--font-head); font-size: 48px; font-weight: 800; letter-spacing: -2px; }
.pricing-period { font-size: 14px; color: var(--text-3); }
.pricing-note { font-size: 12px; color: var(--amber); margin-bottom: 24px; min-height: 18px; }
.pricing-features { list-style: none; flex: 1; margin-bottom: 28px; }
.pricing-features li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--text-2);
  padding: 7px 0; border-bottom: 1px solid var(--border);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }

/* ── FAQ ── */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--surface);
}
.faq-question {
  width: 100%; background: none; border: none; cursor: pointer;
  padding: 20px 24px; text-align: left;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-body); font-size: 15px; font-weight: 600;
  color: var(--text); gap: 16px;
}
.faq-question:hover { background: rgba(255,255,255,0.02); }
.faq-arrow {
  flex-shrink: 0; width: 20px; height: 20px;
  stroke: var(--text-3); transition: transform .25s;
}
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
  font-size: 14px; color: var(--text-2); line-height: 1.7;
  padding: 0 24px;
}
.faq-item.open .faq-answer {
  max-height: 200px; padding: 0 24px 20px;
}

/* ── DOWNLOAD ── */
.download-section { text-align: center; }
.download-cards { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.download-card {
  background: var(--surface-2);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius-lg); padding: 28px 36px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  min-width: 240px;
}
.download-card .os-icon { font-size: 40px; line-height: 1; display: flex; justify-content: center; align-items: center; height: 56px; margin-bottom: 8px; }
.download-card .os-icon img { width: 48px; height: 48px; display: block; image-rendering: -webkit-optimize-contrast; }
.download-card .os-name { font-weight: 700; font-size: 17px; }
.download-card .file-size { font-size: 12px; color: var(--text-3); }
.download-card .file-note { font-size: 12px; color: var(--teal); }
.dl-requirements { font-size: 13px; color: var(--text-3); }

/* ── INCLUDED FEATURES ── */
.included-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 28px;
  margin-top: 48px;
}
.included-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 24px 20px;
}
.included-cat-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.included-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.included-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.4;
}
.incl-check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 1px;
}

/* ── NOTIFY CARD ── */
.notify-card {
  max-width: 480px;
  text-align: center;
  padding: 40px 48px !important;
}
.notify-icon { margin-bottom: 8px; }
.notify-title {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.notify-body {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 20px;
}
.notify-btn { font-size: 16px; padding: 13px 28px; }
.notify-note {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 12px;
}

/* ── FOOTER ── */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  text-align: center;
}
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-tagline { font-size: 13px; color: var(--text-3); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.footer-links a { font-size: 13px; color: var(--text-3); transition: color .2s; }
.footer-links a:hover { color: var(--blue); }
.footer-legal { font-size: 12px; color: var(--text-3); opacity: 0.6; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hi); }

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero-content { padding-top: 60px; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-card { min-width: 100%; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .section { padding: 64px 0; }
  .included-grid { grid-template-columns: 1fr; gap: 16px; }
  .notify-card { padding: 28px 24px !important; }
}

/* ── Coming Soon / Roadmap ───────────────────────────────────────────── */
.coming-soon-grid {
  display: grid;
  /* auto-fit so a single card centers itself instead of sticking to the
     left of a hard-coded 2-column grid (which is what happened once we
     dropped the "Mac version" card from Coming Soon and only Spectral
     remained). */
  grid-template-columns: repeat(auto-fit, minmax(280px, 440px));
  gap: 28px;
  max-width: 920px;
  margin: 0 auto;
  justify-content: center;
}
.coming-soon-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform .15s, border-color .15s, box-shadow .15s;
}
.coming-soon-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hi);
  box-shadow: 0 8px 30px rgba(0,0,0,0.5), 0 2px 6px rgba(0,0,0,0.4);
}
.coming-soon-icon {
  margin-bottom: 16px;
  line-height: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 48px;
}
.coming-soon-icon svg,
.coming-soon-icon img {
  width: 48px;
  height: 48px;
  display: block;
}
.coming-soon-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  font-family: var(--font-head);
}
.coming-soon-body {
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 20px;
  min-height: 90px;
}
.coming-soon-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  background: transparent;
  color: #7ee787;
  border: 1.5px solid rgba(63, 185, 80, 0.55);
  border-radius: 8px;
  text-decoration: none;
  transition: all .15s;
}
.coming-soon-cta:hover {
  background: #238636;
  border-color: #2ea043;
  color: #fff;
}
@media (max-width: 720px) {
  .coming-soon-grid { grid-template-columns: 1fr; gap: 18px; }
  .coming-soon-card { padding: 24px 20px; }
  .coming-soon-body { min-height: 0; }
}

/* ===== First-install guides (Windows SmartScreen + macOS Gatekeeper) ===== */
/* Dark theme matching the rest of the site, with a single amber accent line on
   the left edge to flag it as a "setup-attention" panel without screaming. */
.install-guide {
  max-width: 720px;
  margin: 28px auto 8px;
  padding: 22px 26px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  color: var(--text);
}
.install-guide-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.install-guide-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  line-height: 0;
}
.install-guide-icon svg,
.install-guide-icon img {
  width: 22px;
  height: 22px;
  display: block;
}
.install-guide-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.2px;
  font-family: var(--font-head);
}
.install-guide-intro {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-2);
  margin: 0 0 16px;
}
.install-guide-steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 0 0 16px;
}
.install-guide-steps li {
  position: relative;
  counter-increment: step;
  padding: 10px 0 10px 42px;
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.6;
  border-bottom: 1px solid var(--border);
}
.install-guide-steps li:last-child { border-bottom: none; }
.install-guide-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 10px;
  width: 26px;
  height: 26px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--amber);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  font-weight: 700;
  font-family: var(--font-head);
}
.install-guide-steps .step-label strong { color: var(--text); font-weight: 700; }
.install-guide-steps .step-detail {
  color: var(--text-3);
  font-style: italic;
  font-size: 12.5px;
}
.install-guide-verify {
  font-size: 12.5px;
  color: var(--text-2);
  background: rgba(0, 0, 0, 0.25);
  padding: 11px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin: 0;
  line-height: 1.6;
}
.install-guide-verify a {
  color: var(--amber);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 158, 11, 0.4);
  transition: color .15s, border-color .15s;
}
.install-guide-verify a:hover {
  color: #fbbf24;
  border-bottom-color: #fbbf24;
}
.install-guide-verify code {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 11.5px;
}
@media (max-width: 720px) {
  .install-guide { padding: 18px 18px 16px; margin: 22px 16px 8px; }
  .install-guide-title { font-size: 14.5px; }
  .install-guide-intro,
  .install-guide-steps li { font-size: 13px; }
}
