/* ==========================================================================
   Luneta — site styles
   Dark, fast, accessible. Shared by all pages (pt-BR + en).
   ========================================================================== */

:root {
  --bg: #131316;
  --bg-soft: #17171b;
  --surface: #1d1d21;
  --surface-2: #232328;
  --surface-3: #2a2a30;
  --border: #2e2e35;
  --border-strong: #3a3a42;

  --ink: #f2f0e3;
  --ink-secondary: #b3b1a8;
  --ink-faint: #8a8a80;

  --accent: #f76f53;
  --accent-deep: #d64f36;
  --accent-soft: rgba(247, 111, 83, 0.14);
  --accent-border: rgba(247, 111, 83, 0.45);
  --accent-glow: rgba(247, 111, 83, 0.35);

  --ok: #6fcf97;
  --warn: #f2c94c;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 70px rgba(0, 0, 0, 0.6);

  --container: 1120px;
  --font-head: "Bricolage Grotesque", "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  --font-body: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(247, 111, 83, 0.07), transparent 60%),
    radial-gradient(900px 480px at 8% 8%, rgba(111, 207, 151, 0.04), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { vertical-align: middle; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -64px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #1b0d07;
  font-weight: 700;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; text-decoration: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(19, 19, 22, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  color: var(--ink);
  letter-spacing: 0.2px;
}
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.brand:hover { text-decoration: none; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  color: var(--ink-secondary);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 10px;
}
.main-nav a:hover { color: var(--ink); background: rgba(255, 255, 255, 0.06); text-decoration: none; }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  padding: 13px 22px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: #23100a;
  box-shadow: 0 10px 30px -8px var(--accent-glow);
}
.btn-primary:hover { background: #ff8066; text-decoration: none; box-shadow: 0 14px 38px -8px var(--accent-glow); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--accent-border); background: var(--accent-soft); text-decoration: none; }
.btn-lg { padding: 16px 28px; font-size: 16px; border-radius: 14px; }
.btn-sm { padding: 9px 15px; font-size: 13.5px; border-radius: 10px; }

/* Language switch */
.lang-switch a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--ink-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px 11px;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.lang-switch a:hover { color: var(--ink); border-color: var(--border-strong); text-decoration: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 11px;
  color: var(--ink);
  cursor: pointer;
  line-height: 0;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 88px 0 64px;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 7px 14px;
  margin: 0 0 22px;
}
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 5.4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  font-weight: 800;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-lead {
  font-size: 1.14rem;
  color: var(--ink-secondary);
  margin: 0 0 30px;
  max-width: 34em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--ink-faint); font-size: 14px; }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust svg { color: var(--ok); flex: none; }

kbd {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.82em;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 7px;
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  border-bottom-width: 3px;
  color: var(--ink);
}

/* App window mockup */
.window-scene { position: relative; }
.window-glow {
  position: absolute;
  inset: -6% -8%;
  background: radial-gradient(60% 60% at 50% 45%, rgba(247, 111, 83, 0.18), transparent 70%);
  filter: blur(30px);
  z-index: 0;
}
.app-window {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.window-dot { width: 11px; height: 11px; border-radius: 50%; }
.window-dot:nth-child(1) { background: #f76f53; }
.window-dot:nth-child(2) { background: #f2c94c; }
.window-dot:nth-child(3) { background: #6fcf97; }
.window-bar-label {
  margin-left: auto;
  font-size: 12px;
  color: var(--ink-faint);
}
.window-search {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px;
  padding: 13px 16px;
  border-radius: var(--radius);
  background: var(--surface-3);
  border: 1px solid var(--border);
}
.window-search .logo-mini {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  flex: none;
}
.window-search .query {
  font-size: 15px;
  color: var(--ink);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.window-search .badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}
.window-results { padding: 0 16px 18px; display: grid; gap: 8px; }
.result-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--surface-2);
  font-size: 14.5px;
}
.result-row.hot { border-color: var(--accent-border); background: var(--accent-soft); }
.result-row svg { flex: none; }
.result-row .r-name { color: var(--ink); font-weight: 600; }
.result-row .r-meta { margin-left: auto; color: var(--ink-faint); font-size: 12.5px; }
.result-row .r-arrow { color: var(--accent); }

/* Provider strip */
.providers {
  padding: 30px 0 70px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.015), transparent);
}
.providers p {
  text-align: center;
  color: var(--ink-faint);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin: 0 0 20px;
}
.provider-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.provider-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-secondary);
  font-size: 14.5px;
  font-weight: 600;
}
.provider-chip svg { flex: none; }
.provider-chip .pro-free {
  color: var(--ok);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.p-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: color-mix(in srgb, var(--pl) 22%, transparent);
  color: var(--pl);
  font-weight: 800;
  font-size: 13px;
  flex: none;
}

/* Screen-reader-only utility */
.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;
}

/* ---------- Sections ---------- */
section { padding: 84px 0; }
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}
.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
  font-weight: 800;
}
.section-head p { color: var(--ink-secondary); font-size: 1.05rem; margin: 0; }

/* Feature cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.feature-card:hover { transform: translateY(-3px); border-color: var(--border-strong); background: var(--surface-2); }
.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  margin-bottom: 16px;
}
.feature-card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 8px;
}
.feature-card p { color: var(--ink-secondary); font-size: 0.95rem; margin: 0; }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px 26px;
}
.step-num {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}
.step h3 { font-family: var(--font-head); font-size: 1.12rem; margin: 0 0 8px; }
.step p { color: var(--ink-secondary); font-size: 0.95rem; margin: 0; }

/* Comparison table */
.comparison-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-md);
  overflow-x: auto;
}
table.comparison { width: 100%; border-collapse: collapse; min-width: 640px; }
.comparison th, .comparison td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.comparison thead th {
  font-family: var(--font-head);
  font-size: 1rem;
  background: var(--surface-2);
}
.comparison thead th:first-child { color: var(--ink-faint); font-weight: 600; }
.comparison tbody tr:last-child th, .comparison tbody tr:last-child td { border-bottom: none; }
.comparison th { color: var(--ink-faint); font-weight: 600; width: 34%; }
.comparison td { color: var(--ink-secondary); }
.comparison .col-luneta { background: var(--accent-soft); }
.comparison .col-luneta td, .comparison thead .col-luneta { color: var(--ink); font-weight: 700; }
.comparison .yes { color: var(--ok); font-weight: 700; }
.comparison .no { color: var(--ink-faint); }
.comparison .luneta-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 3px 10px;
  margin-left: 8px;
  vertical-align: middle;
}

/* Download */
.download-cards { display: grid; grid-template-columns: 1fr; gap: 20px; margin-bottom: 24px; max-width: 640px; margin-left: auto; margin-right: auto; }
.download-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.download-card:hover { transform: translateY(-3px); border-color: var(--accent-border); }
.download-card.recommended { border-color: var(--accent-border); box-shadow: 0 0 0 1px var(--accent-border), var(--shadow-md); }
.download-card .dc-head { display: flex; align-items: center; gap: 10px; }
.download-card .dc-head svg { color: var(--accent); }
.download-card h3 { font-family: var(--font-head); font-size: 1.25rem; margin: 0; }
.download-card .dc-desc { color: var(--ink-secondary); font-size: 0.95rem; margin: 0; }
.download-card .dc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.download-card .dc-meta span {
  font-size: 12.5px;
  color: var(--ink-faint);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 11px;
  background: var(--surface-2);
}
.req-list {
  max-width: 760px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: grid;
  gap: 12px;
}
.req-list li {
  display: flex;
  gap: 12px;
  color: var(--ink-secondary);
  font-size: 0.95rem;
  list-style: none;
}
.req-list svg { color: var(--ok); flex: none; margin-top: 3px; }
.req-list strong { color: var(--ink); font-weight: 600; }
.smartscreen {
  max-width: 760px;
  margin: 24px auto 0;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(242, 201, 76, 0.35);
  background: rgba(242, 201, 76, 0.08);
  color: var(--ink-secondary);
  font-size: 0.92rem;
}

/* FAQ */
.faq-list { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s ease;
}
.faq-item[open] { border-color: var(--border-strong); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  padding: 18px 22px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--ink-faint);
  border-bottom: 2px solid var(--ink-faint);
  transform: rotate(45deg);
  transition: transform 0.18s ease, border-color 0.15s ease;
}
.faq-item[open] summary::after { transform: rotate(-135deg); border-color: var(--accent); }
.faq-item .faq-body { padding: 0 22px 20px; color: var(--ink-secondary); font-size: 0.97rem; }
.faq-item .faq-body p { margin: 0 0 10px; }
.faq-item .faq-body p:last-child { margin-bottom: 0; }

/* CTA band */
.cta-band {
  border-radius: var(--radius-lg);
  border: 1px solid var(--accent-border);
  background:
    radial-gradient(600px 300px at 85% 0%, rgba(247, 111, 83, 0.16), transparent 65%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  line-height: 1.15;
  margin: 0 0 14px;
  font-weight: 800;
}
.cta-band p { color: var(--ink-secondary); font-size: 1.05rem; max-width: 46em; margin: 0 auto 28px; }
.cta-band .hero-actions { justify-content: center; margin-bottom: 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 60px 0 36px; background: var(--bg-soft); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
.footer-brand p { color: var(--ink-faint); font-size: 0.92rem; margin: 12px 0 0; max-width: 30em; }
.footer-col h4 {
  font-family: var(--font-head);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--ink-secondary);
  margin: 0 0 14px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer-col a { color: var(--ink-faint); font-size: 0.93rem; }
.footer-col a:hover { color: var(--ink); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-faint);
  font-size: 0.86rem;
}
.footer-bottom a { color: var(--ink-faint); }
.footer-bottom a:hover { color: var(--ink); }
.footer-badges { display: flex; gap: 14px; }

/* ---------- Pillar / article pages ---------- */
.article-hero { padding: 64px 0 24px; text-align: center; }
.article-hero .breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--ink-faint);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.article-hero .breadcrumb a { color: var(--ink-faint); }
.article-hero .breadcrumb a:hover { color: var(--ink); }
.article-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 4.6vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 auto 16px;
  font-weight: 800;
  max-width: 22em;
}
.article-hero .lede { color: var(--ink-secondary); font-size: 1.1rem; max-width: 44em; margin: 0 auto; }
.article-body {
  max-width: 780px;
  margin: 0 auto;
  padding: 36px 0 20px;
}
.article-body h2 {
  font-family: var(--font-head);
  font-size: 1.55rem;
  margin: 44px 0 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.article-body h3 { font-family: var(--font-head); font-size: 1.2rem; margin: 30px 0 10px; font-weight: 700; }
.article-body p, .article-body li { color: var(--ink-secondary); }
.article-body ul, .article-body ol { padding-left: 22px; display: grid; gap: 8px; }
.article-body a { text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--ink); }
.article-body blockquote {
  margin: 24px 0;
  padding: 16px 22px;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-secondary);
}
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 0.95rem; }
.article-body th, .article-body td { padding: 12px 14px; border: 1px solid var(--border); text-align: left; }
.article-body th { background: var(--surface-2); color: var(--ink); }
.article-body td { color: var(--ink-secondary); }
.article-body .table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.article-body .table-wrap table { margin: 0; min-width: 480px; }
.article-body .table-wrap th:first-child,
.article-body .table-wrap td:first-child { white-space: nowrap; }
.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 26px 0;
}
.article-card h3 { margin-top: 0; }
.article-nav {
  max-width: 780px;
  margin: 40px auto 70px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.article-nav .btn { padding: 12px 22px; }

/* Privacy page */
.privacy-meta { color: var(--ink-faint); font-size: 0.9rem; text-align: center; margin-top: 14px; }

/* ---------- 404 ---------- */
.error-wrap { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 60px 20px; }
.error-wrap .code { font-family: var(--font-head); font-size: 6rem; font-weight: 800; color: var(--accent); line-height: 1; margin: 0; }
.error-wrap h1 { font-family: var(--font-head); font-size: 1.8rem; margin: 12px 0 10px; }
.error-wrap p { color: var(--ink-secondary); margin: 0 0 26px; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding-top: 60px; }
  .window-scene { max-width: 560px; margin-inline: auto; }
  .features-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(19, 19, 22, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px 20px;
    gap: 4px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 14px; font-size: 16px; }
  .nav-toggle { display: inline-flex; }
  .header-cta .btn-sm { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 64px 0; }
  .features-grid, .steps-grid, .download-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-trust { gap: 10px 14px; }
  .cta-band { padding: 40px 24px; }
  .comparison th, .comparison td { padding: 13px 14px; font-size: 0.88rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}