/* ============================================================
   Viewifi — landing
   Dark "security ops" identity, mirrors the Android app theme:
   background #0A0E14 · surface #151A26 · electric blue #1B98E0
   cyan #00E5FF · radar green #00E676
   ============================================================ */

:root {
  --bg: #0A0E14;
  --surface: #151A26;
  --surface-high: #1A2130;
  --primary: #1B98E0;
  --primary-hover: #3FA9E8;
  --accent-cyan: #00E5FF;
  --accent-green: #00E676;
  --text: #E8EAF0;
  --text-dim: #9AA3B5;
  --line: rgba(255, 255, 255, 0.07);
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --font: 'Inter', 'Roboto', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

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

.container {
  width: min(1120px, 100% - 48px);
  margin-inline: auto;
}

.container.narrow { width: min(760px, 100% - 48px); }

h1, h2, h3 { line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; }

h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
h3 { font-size: 1.15rem; font-weight: 700; }

a { color: inherit; text-decoration: none; }

/* ===================== Buttons (Material) ===================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-filled {
  background: var(--primary);
  color: #04121D;
  box-shadow: 0 4px 20px rgba(27, 152, 224, 0.35);
}
.btn-filled:hover { background: var(--primary-hover); box-shadow: 0 6px 28px rgba(27, 152, 224, 0.5); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-outline:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

.btn-lg { padding: 16px 30px; font-size: 1.02rem; }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* ===================== Top bar ===================== */

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10, 14, 20, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 26px;
  margin-left: auto;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent-cyan); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle {
  display: inline-grid;
  place-items: center;
  background: none;
  border: 1px solid var(--line);
  color: var(--text-dim);
  border-radius: 999px;
  width: 42px;
  height: 42px;
  font: 600 0.8rem var(--font);
  cursor: pointer;
  transition: all 0.2s;
}
.lang-toggle:hover { color: var(--accent-cyan); border-color: var(--accent-cyan); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-burger span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================== Hero ===================== */

.hero {
  padding: 150px 0 90px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(640px 420px at 78% 30%, rgba(27, 152, 224, 0.14), transparent 65%),
    radial-gradient(520px 380px at 12% 75%, rgba(0, 229, 255, 0.07), transparent 65%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  position: relative;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 22px;
}

.pill-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero h1 {
  background: linear-gradient(120deg, #FFFFFF 40%, var(--accent-cyan) 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 20px;
}

.hero-sub {
  color: var(--text-dim);
  font-size: 1.08rem;
  max-width: 52ch;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-cta.center { justify-content: center; }

.hero-facts {
  display: flex;
  gap: 40px;
  list-style: none;
  margin-top: 44px;
}

.hero-facts li { display: flex; flex-direction: column; }

.hero-facts strong {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.hero-facts span {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Radar visual */

.hero-visual { display: flex; justify-content: center; }

.radar-frame {
  position: relative;
  width: min(440px, 88vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, rgba(21, 26, 38, 0.9), rgba(10, 14, 20, 0.4) 70%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow), inset 0 0 60px rgba(0, 230, 118, 0.05);
  padding: 18px;
}

#radar { width: 100%; height: 100%; display: block; }

.radar-caption {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--surface-high);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  white-space: nowrap;
}

.live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 1.6s infinite;
}

/* ===================== Sections ===================== */

.section { padding: 90px 0; }

.section-alt {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-head p {
  color: var(--text-dim);
  margin-top: 12px;
  font-size: 1.05rem;
}

/* Cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.section-alt .card { background: var(--bg); }

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: var(--shadow);
}

.card-icon {
  width: 46px; height: 46px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgba(27, 152, 224, 0.12);
  color: var(--accent-cyan);
  margin-bottom: 18px;
}

.card-icon svg { width: 26px; height: 26px; }

.card h3 { margin-bottom: 10px; }

.card .btn { margin: 14px 8px 0 0; }

.card code {
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 0.85em;
}

.dl-note {
  margin-top: 12px;
  font-size: 0.8rem !important;
  color: var(--text-dim);
  opacity: 0.8;
}

.card p {
  color: var(--text-dim);
  font-size: 0.93rem;
}

/* Steps */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  list-style: none;
  counter-reset: step;
}

.step {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px 26px;
}

.step-num {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #04121D;
  font-weight: 800;
  font-size: 1.15rem;
  margin-bottom: 18px;
  box-shadow: 0 4px 18px rgba(27, 152, 224, 0.4);
}

.step h3 { margin-bottom: 10px; }
.step p { color: var(--text-dim); font-size: 0.95rem; }

/* Modes */

.modes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.mode-card { padding: 34px 30px; }

.check-list {
  list-style: none;
  margin-top: 20px;
  display: grid;
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--text-dim);
  font-size: 0.93rem;
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: rgba(0, 230, 118, 0.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300E676' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4 10-10'/%3E%3C/svg%3E") center / 11px no-repeat;
}

/* FAQ */

.faq-list { display: grid; gap: 12px; }

.faq-list details {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 4px 22px;
  transition: border-color 0.2s;
}

.faq-list details[open] { border-color: rgba(0, 229, 255, 0.3); }

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  padding: 16px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

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

.faq-list summary::after {
  content: '';
  flex: none;
  width: 22px; height: 22px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239AA3B5' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform 0.25s;
}

.faq-list details[open] summary::after { transform: rotate(180deg); }

.faq-list details p {
  color: var(--text-dim);
  font-size: 0.95rem;
  padding: 0 0 18px;
}

/* CTA */

.cta-section { padding-bottom: 110px; }

.cta-card {
  background:
    radial-gradient(600px 300px at 50% -10%, rgba(27, 152, 224, 0.22), transparent 70%),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 70px 32px;
  text-align: center;
}

.cta-card p { color: var(--text-dim); margin: 14px 0 30px; font-size: 1.05rem; }

.cta-note {
  margin-top: 22px !important;
  font-size: 0.85rem !important;
  color: var(--text-dim);
  opacity: 0.8;
}

/* Footer */

.footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
  background: var(--surface);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-tag { color: var(--text-dim); font-size: 0.9rem; }

.footer-links {
  margin-left: auto;
  display: flex;
  gap: 22px;
}

.footer-links a {
  color: var(--text-dim);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent-cyan); }

/* ===================== Reveal on scroll ===================== */

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

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ===================== Responsive ===================== */

@media (max-width: 960px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding-top: 120px; }
  .hero-visual { order: -1; }
  .radar-frame { width: min(340px, 80vw); }
}

@media (max-width: 860px) {
  .nav-links, .nav-actions { display: none; }
  .nav-burger { display: flex; margin-left: auto; }

  .topbar.menu-open .nav-links {
    display: flex;
    position: absolute;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 14, 20, 0.97);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
  }
  .topbar.menu-open .nav-links a { padding: 13px 0; }
  .topbar.menu-open .nav-actions {
    display: flex;
    position: absolute;
    top: 64px; right: 24px;
    transform: translateY(-54px);
  }

  .steps, .modes-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .hero-facts { gap: 26px; flex-wrap: wrap; }
  .section { padding: 64px 0; }
}

/* ============================================================
   Additions: accessibility, breadcrumbs, pricing, forms
   ============================================================ */

/* ===================== Accessibility ===================== */

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 100;
  background: var(--primary);
  color: #04121D;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

/* ===================== Breadcrumb ===================== */

.breadcrumb {
  padding-top: 92px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.breadcrumb li + li::before {
  content: '/';
  margin-right: 8px;
  opacity: 0.5;
}

.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb [aria-current='page'] { color: var(--text); }

/* ===================== Compact hero (inner pages) ===================== */

.hero-compact { padding: 30px 0 70px; }
.hero-compact .hero-copy { position: relative; }
.narrow-copy { max-width: 760px; }

/* ===================== Plan tags on feature cards ===================== */

.plan-tag {
  margin-top: 14px;
  font-size: 0.72rem !important;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
}

.plan-tag-free {
  color: var(--accent-green) !important;
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.25);
}

.plan-tag-pro {
  color: var(--accent-cyan) !important;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.3);
}

.tag-pro {
  display: inline-block;
  vertical-align: middle;
  margin-left: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #04121D;
  background: var(--accent-green);
  border-radius: 999px;
  padding: 2px 10px;
}

/* ===================== Billing switch ===================== */

.billing-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin: -28px auto 36px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}
.billing-switch.reveal { transform: translateX(-50%) translateY(22px); }
.billing-switch.reveal.visible { transform: translateX(-50%); }

.section-alt .billing-switch { background: var(--bg); }

.billing-opt {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 0;
  color: var(--text-dim);
  font: 600 0.9rem var(--font);
  padding: 10px 22px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.billing-opt:hover { color: var(--text); }

.billing-opt.is-active {
  background: var(--primary);
  color: #04121D;
}

.save-badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(0, 230, 118, 0.18);
  color: var(--accent-green);
}

.billing-opt.is-active .save-badge {
  background: rgba(4, 18, 29, 0.2);
  color: #04121D;
}

/* ===================== Plans ===================== */

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}

.plans-grid-single { grid-template-columns: minmax(0, 1fr); }

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.section:not(.section-alt) .plan { background: var(--surface); }

.plan-featured {
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 0 1px rgba(0, 229, 255, 0.12), var(--shadow);
  background:
    radial-gradient(520px 260px at 50% -20%, rgba(27, 152, 224, 0.18), transparent 70%),
    var(--bg);
}

.section:not(.section-alt) .plan-featured {
  background:
    radial-gradient(520px 260px at 50% -20%, rgba(27, 152, 224, 0.18), transparent 70%),
    var(--surface);
}

.plan-flag {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-cyan);
  color: #04121D;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 999px;
  white-space: nowrap;
}

.plan-head { padding-bottom: 22px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }

.plan-head h3 { font-size: 1.35rem; margin-bottom: 8px; }

.plan-desc {
  color: var(--text-dim);
  font-size: 0.9rem;
  min-height: 2.8em;
}

.plan-price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.plan-amount {
  font-size: clamp(1.8rem, 3.6vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.plan-featured .plan-amount { color: var(--accent-cyan); }

.plan-period { color: var(--text-dim); font-size: 0.9rem; }

.plan-equiv {
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--accent-green);
  font-weight: 600;
}

.plan .check-list { margin-top: 0; flex: 1; }

.plan .check-list li strong { color: var(--text); }

.btn-block {
  display: flex;
  width: 100%;
  margin-top: 26px;
}

.plan-note {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-dim);
  opacity: 0.85;
  text-align: center;
}

.plans-foot {
  margin-top: 34px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.95rem;
  max-width: 68ch;
  margin-inline: auto;
}

/* ===================== Download kit card ===================== */

.card-kit {
  border-color: rgba(0, 230, 118, 0.3);
  background:
    radial-gradient(380px 200px at 50% -30%, rgba(0, 230, 118, 0.12), transparent 70%),
    var(--bg) !important;
}

/* ===================== Sign-up / contact forms ===================== */

.signup-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 44px 38px;
  text-align: center;
}

.section-alt .signup-card { background: var(--bg); }

.signup-card h2 { margin-bottom: 12px; }
.signup-card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.signup-card > p { color: var(--text-dim); margin-bottom: 26px; max-width: 56ch; margin-inline: auto; }

.signup-inline { margin-top: 26px; padding: 34px 30px; }

.signup-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 520px;
  margin-inline: auto;
}

.signup-form input[type='email'],
.signup-form input[type='text'],
.signup-form textarea {
  flex: 1 1 260px;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font: 400 0.95rem var(--font);
  padding: 14px 20px;
  transition: border-color 0.2s;
}

.section-alt .signup-form input,
.section-alt .signup-form textarea { background: var(--surface); }

.signup-form textarea {
  border-radius: var(--radius-sm);
  resize: vertical;
  line-height: 1.5;
}

.signup-form input::placeholder,
.signup-form textarea::placeholder { color: var(--text-dim); opacity: 0.7; }

.signup-form input:focus,
.signup-form textarea:focus { border-color: var(--accent-cyan); outline: none; }

.signup-form input[aria-invalid='true'] { border-color: #FF5C7A; }

.signup-form button { flex: 0 0 auto; }
.signup-form button[disabled] { opacity: 0.55; cursor: progress; }

.signup-form-stack {
  flex-direction: column;
  align-items: stretch;
  max-width: 560px;
  text-align: left;
}

.signup-form-stack .field { display: grid; gap: 7px; }

.signup-form-stack label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
}

.signup-form-stack button { align-self: flex-start; margin-top: 4px; }

.form-msg {
  flex: 1 0 100%;
  min-height: 1.4em;
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 2px;
}

.form-msg.is-ok { color: var(--accent-green); }
.form-msg.is-error { color: #FF7D95; }

.form-fine {
  margin-top: 18px;
  font-size: 0.8rem;
  color: var(--text-dim);
  opacity: 0.8;
}

/* ===================== Footer additions ===================== */

.footer-brand { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

.footer-links { flex-wrap: wrap; }

.footer-legal {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.footer-legal p {
  color: var(--text-dim);
  font-size: 0.8rem;
  opacity: 0.75;
}

/* ===================== Responsive additions ===================== */

@media (max-width: 1040px) {
  .plans-grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .plan-desc { min-height: 0; }
}

@media (max-width: 860px) {
  .topbar.menu-open .nav-links {
    display: flex;
    position: absolute;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 14, 20, 0.97);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
  }
  .topbar.menu-open .nav-links a { padding: 13px 0; }
  .topbar.menu-open .nav-actions {
    display: flex;
    position: absolute;
    top: 64px; right: 24px;
    transform: translateY(-54px);
  }
}

@media (max-width: 720px) {
  .signup-card { padding: 32px 22px; }
  .signup-inline { padding: 28px 22px; }
  .signup-form { flex-direction: column; }
  .signup-form button { width: 100%; }
  .signup-form-stack button { align-self: stretch; }
  .plan { padding: 28px 22px; }
  .breadcrumb { padding-top: 84px; }
  .hero-compact { padding: 20px 0 56px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { margin-left: 0; gap: 16px; }
}

/* ============================================================
   Documentation pages
   ============================================================ */

.docs-layout {
  display: grid;
  grid-template-columns: 246px minmax(0, 1fr);
  gap: 56px;
  min-width: 0;
  align-items: start;
  padding-bottom: 90px;
}

/* --- Sticky table of contents --- */

.docs-toc {
  position: sticky;
  top: 92px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 8px;
  border-left: 1px solid var(--line);
}

.docs-toc h2 {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0 0 12px 18px;
}

.docs-toc ol { list-style: none; counter-reset: toc; }

.docs-toc a {
  display: block;
  padding: 7px 0 7px 18px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--text-dim);
  font-size: 0.87rem;
  line-height: 1.4;
  transition: color 0.2s, border-color 0.2s;
}

.docs-toc a:hover { color: var(--text); }

.docs-toc a.is-current {
  color: var(--accent-cyan);
  border-left-color: var(--accent-cyan);
  font-weight: 600;
}

/* --- Article body --- */

.docs-body { max-width: 760px; min-width: 0; }

.docs-body > section { padding-bottom: 14px; }

.docs-body h2 {
  font-size: clamp(1.35rem, 2.6vw, 1.7rem);
  margin: 52px 0 16px;
  padding-top: 6px;
}

.docs-body > section:first-of-type h2 { margin-top: 8px; }

.docs-body h3 {
  font-size: 1.05rem;
  margin: 30px 0 10px;
  color: var(--text);
}

.docs-body p,
.docs-body li {
  color: var(--text-dim);
  font-size: 0.97rem;
}

.docs-body p { margin-bottom: 14px; }

.docs-body strong { color: var(--text); }

.docs-body ul,
.docs-body ol {
  margin: 0 0 18px 20px;
  display: grid;
  gap: 8px;
}

.docs-body a:not(.btn) {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(0, 229, 255, 0.4);
}
.docs-body a:not(.btn):hover { text-decoration-color: var(--accent-cyan); }

.docs-lead {
  font-size: 1.06rem !important;
  color: var(--text-dim);
  margin-bottom: 26px;
}

/* --- Code --- */

.docs-body code {
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.18);
  border-radius: 6px;
  padding: 1px 6px;
  font-family: ui-monospace, 'SFMono-Regular', 'Cascadia Code', Menlo, Consolas, monospace;
  font-size: 0.86em;
  color: #A6ECFF;
  word-break: break-word;
}

.docs-body pre {
  background: #070A0F;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  overflow-x: auto;
  margin-bottom: 20px;
  line-height: 1.65;
}

.docs-body pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 0.86rem;
  color: #C8D3E4;
  white-space: pre;
}

.docs-body pre code .c { color: #6C7A91; }
.docs-body pre code .k { color: #00E5FF; }
.docs-body pre code .s { color: #00E676; }

/* --- Callouts --- */

.note {
  border: 1px solid var(--line);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(27, 152, 224, 0.06);
  padding: 16px 20px;
  margin: 0 0 20px;
}

.note p:last-child { margin-bottom: 0; }

.note-title {
  display: block;
  font-weight: 700;
  color: var(--text);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.note-warn {
  border-left-color: #FFC400;
  background: rgba(255, 196, 0, 0.06);
}

.note-ok {
  border-left-color: var(--accent-green);
  background: rgba(0, 230, 118, 0.06);
}

/* --- Tables --- */

.table-wrap { overflow-x: auto; margin-bottom: 22px; }

.docs-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 440px;
}

.docs-body th,
.docs-body td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.docs-body th {
  color: var(--text);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: var(--surface);
}

.docs-body td { color: var(--text-dim); }
.docs-body td code { white-space: nowrap; }

/* --- Platform picker --- */

.dl-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.dl-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.dl-box h3 { margin: 0 0 6px; font-size: 1rem; }
.dl-box p { font-size: 0.85rem !important; margin-bottom: 14px; }
.dl-box .btn { width: 100%; }

/* --- Next steps --- */

.docs-next {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 46px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.docs-next a {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  text-decoration: none !important;
  transition: border-color 0.2s, transform 0.2s;
}

.docs-next a:hover { border-color: rgba(0, 229, 255, 0.35); transform: translateY(-2px); }

.docs-next span {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.docs-next strong { color: var(--text); font-size: 1rem; }

@media (max-width: 960px) {
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .docs-toc {
    position: static;
    max-height: none;
    border-left: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    margin-bottom: 34px;
    background: var(--surface);
  }
  .docs-toc h2 { padding-left: 0; }
  .docs-toc a { padding-left: 0; border-left: 0; }
  .docs-toc a.is-current { border-left: 0; }
  .docs-toc ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 22px;
  }
}

@media (max-width: 640px) {
  .dl-row, .docs-next, .docs-toc ol { grid-template-columns: 1fr; }
}