/* ============================================================
   LADOCK Website — style.css
   Theme: Dark, Catppuccin-inspired (Mocha palette)
   ============================================================ */

:root {
  --base:    #1e1e2e;
  --mantle:  #181825;
  --crust:   #11111b;
  --surface0: #313244;
  --surface1: #45475a;
  --surface2: #585b70;
  --overlay0: #6c7086;
  --overlay1: #7f849c;
  --text:    #cdd6f4;
  --subtext0: #a6adc8;
  --subtext1: #bac2de;
  --blue:    #89b4fa;
  --sapphire:#74c7ec;
  --sky:     #89dceb;
  --teal:    #94e2d5;
  --green:   #a6e3a1;
  --mauve:   #cba6f7;
  --pink:    #f38ba8;
  --peach:   #fab387;
  --yellow:  #f9e2af;
  --lavender:#b4befe;

  --accent:  var(--blue);
  --accent2: var(--mauve);

  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(137,180,250,0.15);

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --nav-h: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--base);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--lavender); }

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.btn-lg { padding: 13px 28px; font-size: 1rem; border-radius: var(--radius); }

.btn-primary {
  background: var(--blue);
  color: var(--crust);
  font-weight: 600;
}
.btn-primary:hover { background: var(--lavender); color: var(--crust); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(137,180,250,0.3); }

.btn-ghost {
  background: transparent;
  color: var(--subtext1);
  border: 1.5px solid var(--surface1);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
  padding: 10px 24px;
  border-radius: var(--radius);
}
.btn-outline:hover { background: var(--blue); color: var(--crust); }

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(24,24,37,0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--surface0);
  transition: background 0.2s;
}
.navbar.scrolled { background: rgba(17,17,27,0.95); }

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}
.nav-logo:hover { color: var(--blue); }
.logo-icon { font-size: 1.4rem; color: var(--blue); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  margin: 0;
  flex: 1;
}
.nav-links a {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--subtext1);
  font-weight: 500;
  transition: all 0.15s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: var(--surface0);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: calc(var(--nav-h) + 60px);
  padding-bottom: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}
.orb1 { width: 600px; height: 600px; background: var(--blue); top: -200px; left: -150px; }
.orb2 { width: 500px; height: 500px; background: var(--mauve); bottom: -150px; right: -100px; }
.orb3 { width: 300px; height: 300px; background: var(--teal); top: 40%; left: 60%; }

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(137,180,250,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(137,180,250,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(137,180,250,0.12);
  border: 1px solid rgba(137,180,250,0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--blue);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  color: var(--text);
}

.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--mauve) 60%, var(--pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--subtext0);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--overlay1);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 4px;
  display: block;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--surface1);
}

.hero-image-wrap {
  position: relative;
  z-index: 1;
  margin-top: 64px;
  padding: 0 24px;
  width: 100%;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.app-screenshot {
  background: var(--mantle);
  border: 1px solid var(--surface0);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.screenshot-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--crust);
  border-bottom: 1px solid var(--surface0);
}
.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot-red    { background: #f38ba8; }
.dot-yellow { background: #f9e2af; }
.dot-green  { background: #a6e3a1; }
.screenshot-title {
  font-size: 0.78rem;
  color: var(--overlay0);
  font-family: var(--font-mono);
  margin-left: 8px;
}

.screenshot-img {
  width: 100%;
  display: block;
  background: #0d0d14;
  min-height: 200px;
  object-fit: cover;
}

/* ── Sections ────────────────────────────────────────────── */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(137,180,250,0.1);
  border: 1px solid rgba(137,180,250,0.25);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.8px;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.2;
}
.section-header p {
  color: var(--subtext0);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ── Features Grid ───────────────────────────────────────── */
.features-grid-section { background: var(--mantle); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--base);
  border: 1px solid var(--surface0);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.2s;
}
.feature-card:hover {
  border-color: rgba(137,180,250,0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}
.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.875rem;
  color: var(--subtext0);
  line-height: 1.6;
}

.section-cta {
  text-align: center;
  margin-top: 48px;
}

/* ── Workflow ─────────────────────────────────────────────── */
.workflow-section { background: var(--base); }

.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin: 0 auto;
}

.workflow-step {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  background: var(--mantle);
  border: 1px solid var(--surface0);
  border-radius: var(--radius);
  padding: 28px 32px;
  transition: border-color 0.2s;
}
.workflow-step:hover { border-color: rgba(137,180,250,0.35); }

.step-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--surface1);
  font-family: var(--font-mono);
  line-height: 1;
  min-width: 48px;
  flex-shrink: 0;
}
.workflow-step:hover .step-number { color: var(--blue); }

.step-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.step-content p { font-size: 0.88rem; color: var(--subtext0); line-height: 1.65; }

.workflow-connector {
  width: 2px;
  height: 24px;
  background: linear-gradient(to bottom, var(--surface0), var(--surface1));
  margin: 0 0 0 55px;
}

/* ── Tools Table ─────────────────────────────────────────── */
.tools-section { background: var(--mantle); }

.tools-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--surface0);
}

.tools-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.tools-table thead { background: var(--crust); }
.tools-table th {
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--subtext0);
  border-bottom: 1px solid var(--surface0);
}
.tools-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--surface0);
  color: var(--subtext1);
}
.tools-table tr:last-child td { border-bottom: none; }
.tools-table tbody tr:hover { background: rgba(137,180,250,0.04); }

.tool-name {
  color: var(--text);
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
}
.badge-blue   { background: rgba(137,180,250,0.15); color: var(--blue); }
.badge-purple { background: rgba(203,166,247,0.15); color: var(--mauve); }
.badge-teal   { background: rgba(148,226,213,0.15); color: var(--teal); }
.badge-green  { background: rgba(166,227,161,0.15); color: var(--green); }

.tools-note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--overlay1);
  text-align: center;
}

/* ── CTA ─────────────────────────────────────────────────── */
.cta-section { background: var(--base); }

.cta-box {
  position: relative;
  background: linear-gradient(135deg, var(--mantle) 0%, rgba(137,180,250,0.06) 100%);
  border: 1px solid rgba(137,180,250,0.2);
  border-radius: var(--radius-xl);
  padding: 80px 40px;
  text-align: center;
  overflow: hidden;
}
.cta-orb {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(137,180,250,0.12) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.cta-box h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
  position: relative;
}
.cta-box p {
  color: var(--subtext0);
  font-size: 1rem;
  margin-bottom: 36px;
  position: relative;
}
.cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--crust);
  border-top: 1px solid var(--surface0);
}
.footer-inner {
  display: flex;
  gap: 60px;
  padding: 60px 24px 40px;
  flex-wrap: wrap;
}
.footer-brand { flex: 1; min-width: 200px; }
.footer-brand .logo-icon { font-size: 1.8rem; color: var(--blue); }
.footer-name { font-size: 1rem; font-weight: 700; color: var(--text); margin-left: 6px; }
.footer-brand p { font-size: 0.85rem; color: var(--overlay0); margin-top: 10px; }

.footer-links {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--subtext0);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { font-size: 0.875rem; color: var(--overlay1); transition: color 0.15s; }
.footer-col a:hover { color: var(--blue); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 24px;
  border-top: 1px solid var(--surface0);
  max-width: 1100px;
  margin: 0 auto;
  font-size: 0.8rem;
  color: var(--overlay0);
}

/* ── Features Page ───────────────────────────────────────── */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  text-align: center;
  background: var(--mantle);
  border-bottom: 1px solid var(--surface0);
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.page-hero p {
  color: var(--subtext0);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

.features-detail {
  padding: 80px 0;
}
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}
.feature-block.reverse { direction: rtl; }
.feature-block.reverse > * { direction: ltr; }

.feature-block-text h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  color: var(--text);
}
.feature-block-text p {
  color: var(--subtext0);
  line-height: 1.7;
  margin-bottom: 18px;
  font-size: 0.95rem;
}
.feature-block-text ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feature-block-text li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--subtext1);
}
.feature-block-text li::before {
  content: '✓';
  color: var(--teal);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.feature-visual {
  background: var(--mantle);
  border: 1px solid var(--surface0);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}
.feature-icon-large { font-size: 5rem; text-align: center; }

/* ── Docs Page ───────────────────────────────────────────── */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  max-width: 1100px;
  margin: calc(var(--nav-h) + 40px) auto 80px;
  padding: 0 24px;
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  height: fit-content;
  padding-right: 32px;
}
.docs-sidebar h4 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--overlay0);
  font-weight: 600;
  margin-bottom: 10px;
  margin-top: 24px;
}
.docs-sidebar h4:first-child { margin-top: 0; }
.docs-sidebar ul { list-style: none; }
.docs-sidebar li { margin-bottom: 2px; }
.docs-sidebar a {
  display: block;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--subtext0);
  border-left: 2px solid transparent;
  transition: all 0.15s;
}
.docs-sidebar a:hover, .docs-sidebar a.active {
  color: var(--blue);
  background: rgba(137,180,250,0.08);
  border-left-color: var(--blue);
}

.docs-content h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.docs-content .lead {
  color: var(--subtext0);
  font-size: 1rem;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--surface0);
}
.docs-section {
  margin-bottom: 60px;
  scroll-margin-top: calc(var(--nav-h) + 20px);
}
.docs-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--surface0);
  display: flex;
  align-items: center;
  gap: 10px;
}
.docs-section h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 24px 0 10px;
}
.docs-section p {
  color: var(--subtext1);
  line-height: 1.7;
  font-size: 0.925rem;
  margin-bottom: 14px;
}
.docs-section ul, .docs-section ol {
  padding-left: 22px;
  color: var(--subtext1);
  font-size: 0.925rem;
  line-height: 1.7;
  margin-bottom: 14px;
}
.docs-section li { margin-bottom: 4px; }

pre {
  background: var(--crust);
  border: 1px solid var(--surface0);
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
  margin: 16px 0;
}
code {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--text);
}
:not(pre) > code {
  background: var(--surface0);
  color: var(--peach);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.82rem;
}

.callout {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius);
  margin: 20px 0;
  font-size: 0.88rem;
  line-height: 1.6;
}
.callout-info  { background: rgba(137,180,250,0.1); border: 1px solid rgba(137,180,250,0.25); color: var(--blue); }
.callout-tip   { background: rgba(148,226,213,0.1); border: 1px solid rgba(148,226,213,0.25); color: var(--teal); }
.callout-warn  { background: rgba(249,226,175,0.1); border: 1px solid rgba(249,226,175,0.25); color: var(--yellow); }
.callout-icon  { font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.callout-body  { color: var(--subtext1); }
.callout-body strong { color: inherit; }

.req-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--surface0);
  margin: 16px 0;
}
.req-table th {
  background: var(--crust);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--subtext0);
  border-bottom: 1px solid var(--surface0);
}
.req-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--surface0);
  color: var(--subtext1);
}
.req-table tr:last-child td { border-bottom: none; }
.req-table tbody tr:hover { background: rgba(137,180,250,0.04); }

/* ── Citation Page ───────────────────────────────────────── */
.citation-section {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px;
}
.citation-card {
  background: var(--mantle);
  border: 1px solid var(--surface0);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
  transition: border-color 0.2s;
}
.citation-card:hover { border-color: rgba(137,180,250,0.3); }
.citation-card .journal {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--blue);
  font-weight: 600;
  margin-bottom: 8px;
}
.citation-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.45;
}
.citation-card .authors {
  font-size: 0.85rem;
  color: var(--subtext0);
  margin-bottom: 12px;
}
.citation-card .doi a {
  font-size: 0.8rem;
  color: var(--sapphire);
  font-family: var(--font-mono);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links, .navbar .btn-primary { display: none; }
  .nav-toggle { display: flex; }
  .nav-inner { gap: 16px; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--crust);
    padding: 20px;
    border-bottom: 1px solid var(--surface0);
    z-index: 99;
  }

  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .hero-stats { gap: 16px; }

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

  .workflow-connector { margin-left: 30px; }
  .workflow-step { padding: 20px; gap: 16px; }
  .step-number { font-size: 1.4rem; min-width: 32px; }

  .feature-block, .feature-block.reverse { grid-template-columns: 1fr; direction: ltr; }
  .feature-block.reverse > * { direction: ltr; }

  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { display: none; }

  .footer-inner { gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 48px 20px; }
}