@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ─── Design tokens: Acid-Minimalism ────────────────────────── */
:root {
  /* Backgrounds */
  --black:    #000000;
  --card:     #111111;
  --card-hi:  #1a1a1a;
  --card-dk:  #0a0a0a;

  /* Acid yellow — app default */
  --acid:     #DFFF00;
  --acid-dim: rgba(223,255,0,0.12);
  --acid-glow:rgba(223,255,0,0.20);
  --acid-str: rgba(223,255,0,0.40);

  /* Text */
  --t100: #ffffff;
  --t60:  rgba(255,255,255,0.60);
  --t30:  rgba(255,255,255,0.30);
  --t10:  rgba(255,255,255,0.10);

  /* Borders */
  --border:   rgba(255,255,255,0.07);
  --border-hi:rgba(255,255,255,0.13);

  /* Semantic */
  --success: #30D158;
  --danger:  #FF453A;

  /* Type */
  --font:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--t100);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Scan-line texture on body ─────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.012) 2px,
    rgba(255,255,255,0.012) 4px
  );
  pointer-events: none;
  z-index: 0;
}

/* ─── Layout ─────────────────────────────────────────────────── */
.page-wrap {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px 100px;
}

/* ─── Nav ────────────────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--acid);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  transition: opacity 0.18s var(--ease);
}
.nav-logo:hover { opacity: 0.75; }

/* PT logo mark: two concentric rounded squares (tunnel motif) */
.nav-cloudi {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
  /* SVG filter to keep it the acid yellow color */
  filter: drop-shadow(0 0 6px rgba(223,255,0,0.35));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links a {
  color: var(--t60);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 5px 11px;
  border-radius: var(--radius-sm);
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}
.nav-links a:hover {
  color: var(--t100);
  background: var(--t10);
}
.nav-links a.active {
  color: var(--black);
  background: var(--acid);
  font-weight: 700;
}


/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  padding: 80px 0 64px;
}

/* Kicker line */
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--acid);
  margin-bottom: 28px;
}
.hero-kicker::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 1.5px;
  background: var(--acid);
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.97;
  color: var(--t100);
  margin-bottom: 28px;
}

.hero h1 em {
  font-style: normal;
  color: var(--acid);
  /* Tighten the yellow word */
  display: inline-block;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--t60);
  line-height: 1.7;
  max-width: 420px;
  margin-bottom: 40px;
}

/* CTA row */
.cta-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-acid {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
  background: var(--acid);
  color: var(--black);
  letter-spacing: 0.01em;
  transition: background 0.18s var(--ease), transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
  box-shadow: 0 0 0 0 transparent;
}
.btn-acid:hover {
  background: #f0ff33;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--acid-glow);
  text-decoration: none;
}
.btn-acid:active { transform: translateY(0); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--t60);
  border: 1px solid var(--border-hi);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.btn-ghost:hover {
  color: var(--t100);
  border-color: var(--acid);
  background: var(--acid-dim);
  text-decoration: none;
}

/* ─── Stat strip (home) ──────────────────────────────────────── */
.stat-strip {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 60px;
}

.stat-item {
  flex: 1;
  padding: 22px 20px;
  position: relative;
  background: var(--card);
}
.stat-item + .stat-item {
  border-left: 1px solid var(--border);
}

.stat-val {
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--acid);
  font-family: var(--mono);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--t30);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}


/* ─── Feature grid ───────────────────────────────────────────── */
.features-section {
  margin-top: 72px;
}

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t30);
  margin-bottom: 24px;
}
.section-eyebrow::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.feat {
  background: var(--card);
  padding: 26px 22px;
  transition: background 0.18s var(--ease);
  position: relative;
}
.feat:hover {
  background: var(--card-hi);
}
/* Acid dot accent on hover */
.feat::before {
  content: '';
  position: absolute;
  top: 22px;
  right: 20px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acid);
  opacity: 0;
  transition: opacity 0.18s var(--ease);
}
.feat:hover::before { opacity: 0.6; }

.feat-icon {
  font-size: 1.3rem;
  margin-bottom: 14px;
}
.feat h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--t100);
  margin-bottom: 7px;
  letter-spacing: -0.01em;
}
.feat p {
  font-size: 0.82rem;
  color: var(--t60);
  line-height: 1.6;
  margin: 0;
}

/* ─── Privacy notice (home callout) ─────────────────────────── */
.privacy-callout {
  margin-top: 64px;
  border: 1px solid var(--acid-str);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  background: var(--acid-dim);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.privacy-callout-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.privacy-callout h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--t100);
  margin-bottom: 5px;
}
.privacy-callout p {
  font-size: 0.87rem;
  color: var(--t60);
  line-height: 1.65;
  margin: 0;
}

/* ─── Divider ────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 56px 0;
}

/* ─── Legal pages ────────────────────────────────────────────── */
.legal-header {
  padding: 60px 0 44px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.legal-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t30);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}
.legal-eyebrow::before {
  content: '//';
  color: var(--acid);
  font-weight: 700;
}

.legal-header h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.08;
  margin-bottom: 18px;
}

.legal-header h1 .accent { color: var(--acid); }

.legal-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--t30);
}
.legal-meta::before {
  content: '—';
  color: var(--acid);
}

/* Summary alert */
.summary-alert {
  border: 1px solid var(--acid-str);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  background: var(--acid-dim);
  margin-bottom: 36px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.summary-alert-icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.summary-alert p {
  font-size: 0.9rem;
  color: var(--t60);
  line-height: 1.65;
  margin: 0;
}
.summary-alert strong { color: var(--t100); }

/* TOC */
.toc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 48px;
  overflow: hidden;
}
.toc-header {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t30);
}
.toc-list {
  list-style: none;
  padding: 8px 0;
}
.toc-list li a {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 7px 20px;
  text-decoration: none;
  color: var(--t60);
  font-size: 0.87rem;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.toc-list li a:hover {
  background: var(--card-hi);
  color: var(--t100);
  text-decoration: none;
}
.toc-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--acid);
  width: 36px;
  flex-shrink: 0;
}

/* Legal sections */
.legal-section {
  margin-bottom: 48px;
  scroll-margin-top: 80px;
}

.sec-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.sec-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--acid);
  letter-spacing: 0.05em;
}
.legal-section h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--t100);
  letter-spacing: -0.015em;
}

.legal-section p {
  font-size: 0.93rem;
  color: var(--t60);
  line-height: 1.78;
  margin-bottom: 14px;
}

.legal-section ul,
.legal-section ol {
  padding-left: 20px;
  margin-bottom: 14px;
}
.legal-section li {
  font-size: 0.93rem;
  color: var(--t60);
  line-height: 1.72;
  margin-bottom: 5px;
}

.legal-section a {
  color: var(--acid);
  text-decoration: none;
  border-bottom: 1px solid rgba(223,255,0,0.3);
  transition: border-color 0.15s var(--ease);
}
.legal-section a:hover {
  border-color: var(--acid);
  text-decoration: none;
}

.legal-section strong,
.legal-section b {
  color: var(--t100);
  font-weight: 600;
}

/* Callouts */
.callout {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--card);
  padding: 16px 18px;
  display: flex;
  gap: 13px;
  align-items: flex-start;
  margin: 18px 0;
}
.callout-icon { font-size: 0.95rem; flex-shrink: 0; margin-top: 2px; }
.callout-body { font-size: 0.88rem; color: var(--t60); line-height: 1.65; }
.callout-body strong { color: var(--t100); }

.callout.info    { border-color: var(--acid-str);            background: var(--acid-dim); }
.callout.success { border-color: rgba(48,209,88,0.3);        background: rgba(48,209,88,0.07); }
.callout.warning { border-color: rgba(255,69,58,0.3);        background: rgba(255,69,58,0.07); }

/* ─── Footer ─────────────────────────────────────────────────── */
.site-footer {
  margin-top: 80px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.footer-cloudi {
  width: 20px;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-brand {
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--acid);
}

.footer-copy {
  font-size: 0.77rem;
  color: var(--t30);
  font-family: var(--mono);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--t30);
  text-decoration: none;
  transition: color 0.15s var(--ease);
}
.footer-links a:hover { color: var(--acid); }

/* ─── Screenshots ───────────────────────────────────────────── */
.screenshots-section {
  margin-top: 72px;
}

.screenshots-wrap {
  position: relative;
  overflow: hidden;
}

/* Both sets hidden by default; JS reveals correct one */
.screenshots-phone,
.screenshots-tablet {
  display: none;
  justify-content: center;
  align-items: flex-end;
  gap: 20px;
  padding: 8px 0 16px;
}

/* Fallback: if JS fails or no match, show iPhone by default */
.screenshots-phone {
  display: flex;
}

.shot-frame {
  flex-shrink: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-hi);
  box-shadow:
    0 0 0 1px rgba(223,255,0,0.05),
    0 24px 64px rgba(0,0,0,0.7),
    0 8px 24px rgba(0,0,0,0.5);
  background: var(--card);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.shot-frame:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow:
    0 0 0 1px rgba(223,255,0,0.12),
    0 32px 80px rgba(0,0,0,0.75),
    0 0 40px rgba(223,255,0,0.06);
}

/* iPhone frames: tall portrait */
.shot-frame--phone {
  width: 220px;
  border-radius: 36px;
}

/* iPad frames: wider portrait */
.shot-frame--tablet {
  width: 280px;
  border-radius: 24px;
}

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

/* Second screenshot slightly lower for depth */
.shot-offset {
  margin-top: 28px;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  .page-wrap { padding: 0 16px 80px; }
  .hero { padding: 56px 0 44px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .stat-strip { flex-direction: column; }
  .stat-item + .stat-item { border-left: none; border-top: 1px solid var(--border); }
  .hero h1 { font-size: 2.6rem; }
  .site-nav { flex-direction: row; flex-wrap: wrap; gap: 8px; }
}

@media (max-width: 400px) {
  .features-grid { grid-template-columns: 1fr; }
}