/* ==========================================================================
   r2modman.me — Static site stylesheet
   Dark gamer/mod-manager theme, electric cyan accent
   ========================================================================== */

:root {
  --bg: #0a0e1a;
  --bg-elevated: #10162a;
  --bg-card: #141b30;
  --bg-alt: linear-gradient(180deg, #0c1124 0%, #111a33 100%);
  --border: #1f2a45;
  --border-hover: #2d3f68;
  --text: #e8ecf5;
  --text-muted: #8791a8;
  --text-dim: #5d6883;
  --accent: #00d4ff;
  --accent-hover: #22e3ff;
  --accent-deep: #0098bc;
  --secondary: #a855f7;
  --secondary-hover: #c084fc;
  --danger: #f87171;
  --success: #4ade80;
  --warn: #fbbf24;
  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #a855f7 100%);
  --gradient-hero: radial-gradient(ellipse at top, rgba(0,212,255,0.12) 0%, transparent 55%),
                   radial-gradient(ellipse at bottom right, rgba(168,85,247,0.1) 0%, transparent 50%),
                   linear-gradient(180deg, #0a0e1a 0%, #070a15 100%);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(0,212,255,0.2);
  --radius: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --container: 1180px;
  --nav-h: 64px;
  --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--accent-hover); }

:target, section[id] { scroll-margin-top: calc(var(--nav-h) + 20px); }

/* ---- Headings ---- */
h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 0.6em;
  color: var(--text);
}
h1 { font-size: clamp(2rem, 4.2vw, 3.25rem); font-weight: 700; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.28rem; }
h4 { font-size: 1.07rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.88rem; }

p { margin: 0 0 1em; color: var(--text-muted); }
p strong, li strong { color: var(--text); font-weight: 600; }

ul, ol { color: var(--text-muted); padding-left: 1.3em; margin: 0.5em 0 1em; }
li { margin: 0.35em 0; }

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-elevated);
  color: var(--accent);
  padding: 0.15em 0.45em;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(10, 14, 26, 0.78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--text); }
.brand img { width: 30px; height: 30px; }
.brand .version {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  background: rgba(0,212,255,0.1);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0,212,255,0.3);
  font-weight: 500;
}
.main-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}
.main-nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 14px;
  border-radius: 6px;
  transition: color .15s, background .15s;
}
.main-nav a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.main-nav a.cta {
  color: #0a0e1a;
  background: var(--accent);
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  margin-left: 6px;
}
.main-nav a.cta:hover { background: var(--accent-hover); color: #0a0e1a; transform: translateY(-1px); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}
.nav-toggle:hover { background: rgba(255,255,255,0.06); }

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-115%);
    transition: transform .25s ease;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 12px 16px; }
  .main-nav a.cta { margin: 8px 0 0; text-align: center; }
}

/* ---- Hero ---- */
.hero {
  position: relative;
  background: var(--gradient-hero);
  padding: 80px 0 100px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at center, #000 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at center, #000 30%, transparent 85%);
}
.hero-orb {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0,212,255,0.18) 0%, transparent 60%);
  filter: blur(30px);
  animation: orb-drift 14s ease-in-out infinite alternate;
}
@keyframes orb-drift {
  from { transform: translate(-55%, -5%); }
  to   { transform: translate(-45%, 5%); }
}
.hero-glow {
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.26) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity .25s;
  mix-blend-mode: screen;
  filter: blur(8px);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.3);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero h1 {
  margin-bottom: 20px;
  background: linear-gradient(180deg, #fff 0%, #b4c0dd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero h1 .accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-sub {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.6;
}
.hero-ctas {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .15s;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.btn-primary {
  background: var(--accent);
  color: #0a0e1a;
  box-shadow: 0 4px 24px rgba(0,212,255,0.35), 0 0 0 1px rgba(0,212,255,0.2);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #0a0e1a;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,212,255,0.45), 0 0 0 1px rgba(0,212,255,0.3);
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-hover);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.btn-ghost {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--bg-card);
  color: var(--text);
  border-color: var(--border-hover);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.9rem;
}
.btn svg, .btn .icon { width: 18px; height: 18px; flex-shrink: 0; }

/* ---- Sections ---- */
section { padding: 80px 0; position: relative; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title {
  text-align: center;
  margin-bottom: 16px;
}
.section-lead {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 56px;
}

/* ---- Stats bar ---- */
.stats-bar {
  padding: 40px 0;
  background: linear-gradient(90deg, var(--bg) 0%, var(--bg-card) 50%, var(--bg) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-bar .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: block;
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}
@media (max-width: 640px) {
  .stats-bar .container { grid-template-columns: repeat(2, 1fr); }
  .stat-num { font-size: 1.6rem; }
}

/* ---- Feature grid ---- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform .25s ease, border-color .25s;
  position: relative;
  overflow: hidden;
}
.feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.feature:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}
.feature:hover::before { opacity: 0.6; }
.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,212,255,0.15) 0%, rgba(168,85,247,0.15) 100%);
  border: 1px solid rgba(0,212,255,0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 18px;
}
.feature-icon svg { width: 24px; height: 24px; }
.feature h3 {
  color: var(--text);
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.feature p { color: var(--text-muted); font-size: 0.96rem; margin: 0; }

/* ---- Download card ---- */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  max-width: 980px;
  margin: 0 auto;
}
.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform .22s ease, border-color .22s, box-shadow .22s;
  position: relative;
  overflow: hidden;
}
.download-card.primary {
  border-color: rgba(0,212,255,0.4);
  background: linear-gradient(145deg, rgba(0,212,255,0.06) 0%, var(--bg-card) 50%);
}
.download-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}
.download-card.primary:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(0,212,255,0.2);
}
.download-os {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.download-os svg { width: 18px; height: 18px; color: var(--accent); }
.download-card h3 {
  font-size: 1.25rem;
  margin-bottom: 4px;
}
.download-card .size {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.download-card .btn {
  width: 100%;
}
.download-card .alt-links {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}
.download-card .alt-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.download-card .alt-links a:hover { color: var(--accent); border-color: var(--accent); }
.download-card .alt-links a .bytes { color: var(--text-dim); font-size: 0.72rem; }

/* ---- Games grid ---- */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.game-tile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  transition: transform .2s, border-color .2s;
}
.game-tile:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  color: var(--text);
}
.game-tile .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  flex-shrink: 0;
}
.game-tile.featured { border-color: rgba(0,212,255,0.3); background: linear-gradient(145deg, rgba(0,212,255,0.05), var(--bg-card)); }

/* ---- Steps ---- */
.steps {
  counter-reset: step;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  max-width: 1000px;
  margin: 0 auto;
}
.step {
  counter-increment: step;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 26px 24px 70px;
  position: relative;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 22px;
  left: 22px;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.25);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.step h3 { font-size: 1.06rem; margin-bottom: 6px; }
.step p { margin: 0; font-size: 0.94rem; }

/* ---- FAQ ---- */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item:hover { border-color: var(--border-hover); }
.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 500;
  color: var(--text);
  font-size: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--accent);
  transition: transform .2s;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding: 0 22px 20px; color: var(--text-muted); }
.faq-answer p:last-child { margin-bottom: 0; }

/* ---- Release list ---- */
.release-list {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.release-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  transition: border-color .2s, transform .2s;
}
.release-card:hover { border-color: var(--border-hover); transform: translateY(-1px); }
.release-card.latest { border-color: rgba(0,212,255,0.35); background: linear-gradient(145deg, rgba(0,212,255,0.04), var(--bg-card)); }
.release-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }
.release-ver {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 700;
}
.release-date {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
}
.release-badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: #0a0e1a;
  background: var(--accent);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.release-summary { color: var(--text-muted); margin: 0 0 12px; font-size: 0.96rem; }
.release-card ul { margin: 0 0 12px; padding-left: 18px; }
.release-card li { font-size: 0.92rem; }
.release-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
}

/* ---- Article / Long-form content ---- */
.article {
  max-width: 820px;
  margin: 0 auto;
}
.article h2 {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.article h2:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
.article h3 { margin-top: 36px; }
.article p, .article li { font-size: 1.04rem; color: var(--text-muted); }
.article ol, .article ul { padding-left: 1.4em; }
.article ol li, .article ul li { margin: 0.5em 0; }

/* Info callout box */
.callout {
  background: linear-gradient(135deg, rgba(0,212,255,0.06) 0%, rgba(168,85,247,0.06) 100%);
  border: 1px solid rgba(0,212,255,0.25);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 24px 0;
  color: var(--text);
}
.callout p { color: var(--text); margin: 0; }
.callout.warn {
  background: linear-gradient(135deg, rgba(251,191,36,0.06) 0%, rgba(248,113,113,0.06) 100%);
  border-color: rgba(251,191,36,0.3);
  border-left-color: var(--warn);
}

/* ---- Footer ---- */
.site-footer {
  background: #060912;
  border-top: 1px solid var(--border);
  padding: 56px 0 0;
  margin-top: auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-brand h4 { color: var(--text); margin-bottom: 10px; text-transform: none; letter-spacing: -0.01em; font-size: 1.05rem; font-weight: 600; }
.footer-brand p { font-size: 0.92rem; max-width: 360px; }
.footer-col h4 { color: var(--text); margin-bottom: 12px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin: 6px 0; }
.footer-col a { color: var(--text-muted); font-size: 0.92rem; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 780px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ---- Breadcrumbs ---- */
.crumbs {
  padding: 20px 0 0;
  font-size: 0.86rem;
  color: var(--text-dim);
}
.crumbs a { color: var(--text-muted); }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { margin: 0 8px; color: var(--text-dim); }

/* ---- 404 ---- */
.p404 {
  padding: 100px 0;
  text-align: center;
}
.p404 .code {
  font-family: var(--font-mono);
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 20px;
}

/* ---- Utils ---- */
.text-center { text-align: center; }
.mt-6 { margin-top: 48px; }
.mt-4 { margin-top: 32px; }
.gap { height: 40px; }

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0s !important; transition-duration: 0s !important; }
  .hero-orb { animation: none; }
}

/* ---- Mobile tweaks ---- */
@media (max-width: 640px) {
  section { padding: 56px 0; }
  .hero { padding: 60px 0 70px; }
  .hero-sub { font-size: 1rem; }
  .step { padding: 22px 22px 22px 64px; }
  .step::before { top: 18px; left: 18px; width: 32px; height: 32px; font-size: 1rem; }
  .footer-top { grid-template-columns: 1fr; }
}