/* ═══════════════════════════════════════════════
   atAll Power Suite — Landing Page Stylesheet
   ═══════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
  --bg:          #07090f;
  --bg-card:     #0c1020;
  --bg-card2:    #101828;
  --border:      #1c2840;
  --border2:     #263354;
  --accent:      #f59e0b;
  --accent-dim:  #f59e0b22;
  --cyan:        #06b6d4;
  --cyan-dim:    #06b6d415;
  --text:        #e2e8f5;
  --muted:       #64748b;
  --muted2:      #94a3b8;
  --font-head:   'Syne', system-ui, sans-serif;
  --font-body:   'DM Sans', system-ui, sans-serif;
  --radius:      16px;
  --radius-sm:   8px;
  --nav-h:       64px;
  --max-w:       1160px;
}

/* ── CJK / Regional Font Overrides ── */
html[lang="zh-CN"] body,
html[lang="zh-TW"] body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
html[lang="ja"] body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic Pro', 'Meiryo', sans-serif;
}
html[lang="ko"] body {
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
}
html[lang="th"] body {
  font-family: 'Noto Sans Thai', 'Leelawadee UI', 'Tahoma', sans-serif;
}

html[lang="zh-CN"] h1, html[lang="zh-CN"] h2, html[lang="zh-CN"] h3,
html[lang="zh-TW"] h1, html[lang="zh-TW"] h2, html[lang="zh-TW"] h3 {
  font-family: 'Noto Sans SC', 'PingFang SC', sans-serif;
  font-weight: 700;
  letter-spacing: 0;
}
html[lang="ja"] h1, html[lang="ja"] h2, html[lang="ja"] h3 {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  letter-spacing: 0;
}
html[lang="ko"] h1, html[lang="ko"] h2, html[lang="ko"] h3 {
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 700;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── Grid dot background ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, #1e2d50 1px, transparent 0);
  background-size: 36px 36px;
  opacity: .45;
  pointer-events: none;
  z-index: 0;
}

/* ── Ambient glow blobs ── */
.blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.blob-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, #f59e0b18, transparent 70%);
  top: -200px; right: -200px;
}
.blob-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #06b6d412, transparent 70%);
  bottom: -100px; left: -200px;
}

/* ── Layout helpers ── */
section { position: relative; z-index: 1; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -1px;
  line-height: 1.1;
  color: var(--text);
}

.section-sub {
  margin-top: 14px;
  font-size: 17px;
  color: var(--muted2);
  max-width: 560px;
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: var(--nav-h);
  background: rgba(7, 9, 15, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  animation: fadeDown .6s ease both;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
}

.nav-logo-text {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--text);
  letter-spacing: -.3px;
}

.nav-logo-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid #f59e0b40;
  letter-spacing: .5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--muted2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-cta {
  padding: 8px 18px;
  background: var(--accent);
  color: #07090f;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  letter-spacing: .2px;
}
.nav-cta:hover {
  background: #fbbf24;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px #f59e0b40;
}

/* ── Language Switcher ── */
.lang-switcher { position: relative; }

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  color: var(--muted2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}
.lang-btn:hover,
.lang-btn[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
}

.lang-btn .flag    { font-size: 16px; }
.lang-btn .chevron { font-size: 10px; color: var(--muted); transition: transform .2s; }
.lang-btn[aria-expanded="true"] .chevron { transform: rotate(180deg); }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #0d1427;
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 6px;
  min-width: 200px;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  box-shadow: 0 24px 60px rgba(0,0,0,.6);
  z-index: 200;
  animation: fadeUp .15s ease;
}
.lang-dropdown.open { display: grid; }

.lang-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted2);
  transition: all .15s;
  user-select: none;
}
.lang-option:hover   { background: var(--bg-card2); color: var(--text); }
.lang-option.active  { background: var(--accent-dim); color: var(--accent); }
.lang-option .flag   { font-size: 15px; }
.lang-option .name   { font-weight: 500; flex: 1; }
.lang-option .code   { font-size: 11px; color: var(--muted); }

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
#hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border2);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted2);
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 32px;
  animation: fadeUp .7s .1s both;
}

.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(42px, 6.5vw, 88px);
  line-height: 1.05;
  letter-spacing: -2px;
  max-width: 900px;
  color: var(--text);
  animation: fadeUp .7s .2s both;
}

.hero-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #fb923c 50%, var(--accent) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

.hero-sub {
  margin-top: 24px;
  max-width: 580px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--muted2);
  animation: fadeUp .7s .3s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 40px;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeUp .7s .4s both;
}

/* ── Buttons ── */
.btn-primary {
  padding: 14px 28px;
  background: var(--accent);
  color: #07090f;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
  letter-spacing: .2px;
}
.btn-primary:hover {
  background: #fbbf24;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px #f59e0b50;
}
.btn-primary.btn-large {
  font-size: 16px;
  padding: 16px 36px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 13px 24px;
  background: transparent;
  color: var(--muted2);
  border: 1px solid var(--border2);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
}
.btn-secondary:hover {
  border-color: var(--text);
  color: var(--text);
}

/* Hero meta facts */
.hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 56px;
  animation: fadeUp .7s .5s both;
  flex-wrap: wrap;
  justify-content: center;
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.hero-meta-item svg { color: var(--accent); }
.hero-meta-sep { width: 1px; height: 20px; background: var(--border2); }

/* Platform strip */
.platform-strip {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 40px;
  border-top: 1px solid var(--border);
  background: linear-gradient(to bottom, transparent, var(--bg));
  flex-wrap: wrap;
  animation: fadeUp .7s .6s both;
}
.platform-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  color: var(--muted);
  background: var(--bg-card);
}
.platform-chip span { font-weight: 600; color: var(--muted2); }

/* ═══════════════════════════════════════════════
   MODULES
   ═══════════════════════════════════════════════ */
#modules { padding: 100px 0; }

.modules-header { text-align: center; margin-bottom: 60px; }
.modules-header .section-sub { margin: 14px auto 0; }

.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.mod-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  position: relative;
  overflow: hidden;
}

.mod-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}

.mod-card:hover {
  border-color: var(--border2);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.mod-card:hover::before { opacity: 1; }

/* Per-module color vars */
.mod-a { --cc: #f59e0b; }
.mod-b { --cc: #06b6d4; }
.mod-c { --cc: #10b981; }
.mod-d { --cc: #f43f5e; }
.mod-e { --cc: #8b5cf6; }
.mod-f { --cc: #f97316; }

.mod-card::before {
  background: radial-gradient(ellipse at top left,
    color-mix(in srgb, var(--cc) 7%, transparent),
    transparent 60%);
}

.mod-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
  background: color-mix(in srgb, var(--cc) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--cc) 25%, transparent);
}

.mod-letter {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--cc);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.mod-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -.2px;
  line-height: 1.25;
}

.mod-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted2);
}

.mod-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.mod-tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--cc) 10%, transparent);
  color: color-mix(in srgb, var(--cc) 90%, var(--text));
  font-weight: 600;
}

/* ═══════════════════════════════════════════════
   STATS
   ═══════════════════════════════════════════════ */
#stats { padding: 0 0 100px; }

.stats-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}

.stat-item {
  padding: 32px 24px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }

.stat-num {
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--text);
  line-height: 1;
}
.stat-num .unit { font-size: 24px; color: var(--accent); }

.stat-label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

/* ═══════════════════════════════════════════════
   HOW IT WORKS
   ═══════════════════════════════════════════════ */
#how {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.how-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.how-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  margin-top: 40px;
}

.step {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }

.step-num {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-head);
  color: var(--accent);
  margin-top: 2px;
}

.step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.step-desc {
  font-size: 14px;
  color: var(--muted2);
  line-height: 1.6;
}

/* How-it-works card */
.how-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.how-card::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, #f59e0b15, transparent 70%);
  pointer-events: none;
}

.how-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.how-card-icon {
  width: 36px; height: 36px;
  background: var(--accent-dim);
  border: 1px solid #f59e0b30;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.how-card-title { font-size: 14px; font-weight: 600; color: var(--text); }
.how-card-sub   { font-size: 11px; color: var(--muted); }

/* JSON-LD syntax highlight */
.schema-demo {
  background: #040610;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 12px;
  line-height: 1.7;
  overflow: hidden;
}
.sd-key     { color: #7dd3fc; }
.sd-val     { color: #a3e635; }
.sd-str     { color: #f9a8d4; }
.sd-bracket { color: var(--muted2); }

/* Score bars */
.score-bar   { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.score-row   { display: flex; align-items: center; gap: 10px; }
.score-label { font-size: 12px; color: var(--muted2); width: 80px; flex-shrink: 0; }
.score-track { flex: 1; height: 6px; background: var(--border); border-radius: 10px; overflow: hidden; }
.score-fill  {
  height: 100%;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--accent), #fb923c);
  animation: growBar 1.2s ease both;
}
.score-pct { font-size: 12px; font-weight: 600; color: var(--accent); width: 36px; text-align: right; }

/* ═══════════════════════════════════════════════
   TIERS
   ═══════════════════════════════════════════════ */
#tiers {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.tiers-header { text-align: center; margin-bottom: 56px; }
.tiers-header .section-sub { margin: 14px auto 0; }

.tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.tier-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .25s, box-shadow .25s;
  position: relative;
}
.tier-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}

.tier-featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, #0c1020, #12170a);
}
.tier-featured::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: radial-gradient(ellipse at top, #f59e0b10, transparent 60%);
  pointer-events: none;
}

.tier-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #07090f;
  background: var(--accent);
  padding: 3px 10px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 16px;
}

.tier-name {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}
.tier-desc {
  font-size: 14px;
  color: var(--muted2);
  line-height: 1.6;
  margin-bottom: 24px;
}

.tier-features { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.tier-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--muted2);
  line-height: 1.4;
}
.tier-features .check { color: var(--accent); font-size: 14px; flex-shrink: 0; margin-top: 1px; }

/* ═══════════════════════════════════════════════
   CTA
   ═══════════════════════════════════════════════ */
#cta {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.cta-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 72px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, #f59e0b14, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 16px;
}
.cta-sub {
  font-size: 17px;
  color: var(--muted2);
  max-width: 480px;
  margin: 0 auto 36px;
  line-height: 1.6;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-icon {
  width: 28px !important;
  height: 28px !important;
  font-size: 14px !important;
}

.footer-name    { font-size: 14px; font-weight: 600; color: var(--muted2); }
.footer-tagline { font-size: 13px; color: var(--muted); }
.footer-right   { font-size: 12px; color: var(--muted); }

/* ═══════════════════════════════════════════════
   REVEAL ANIMATIONS (IntersectionObserver)
   ═══════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ═══════════════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════════════ */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.8); }
}
@keyframes shimmer {
  to { background-position: 200% center; }
}
@keyframes growBar {
  from { width: 0; }
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .modules-grid  { grid-template-columns: repeat(2, 1fr); }
  .how-inner     { grid-template-columns: 1fr; gap: 48px; }
  .tiers-grid    { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

@media (max-width: 900px) {
  #navbar        { padding: 0 20px; }
  .nav-links     { display: none; }
  .container     { padding: 0 20px; }
  .stats-bar     { grid-template-columns: 1fr 1fr; border-radius: 14px; }
  .stat-item:nth-child(2) { border-right: none; }
}

@media (max-width: 600px) {
  h1             { letter-spacing: -1.5px; }
  .modules-grid  { grid-template-columns: 1fr; }
  .cta-inner     { padding: 48px 24px; }
  .hero-meta     { flex-direction: column; align-items: center; gap: 12px; }
  .hero-meta-sep { display: none; }
}