/* =========================================================
   kcolbchain — Main Stylesheet
   ========================================================= */

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

:root {
  --bg:       #0a0a0f;
  --bg-card:  #12121a;
  --bg-hover: #1a1a26;
  --border:   #1e1e2e;
  --text:     #e0e0e8;
  --text-dim: #8888a0;
  /* Logo yellow + neon cyan — dual accent */
  --brand:       #f5e03a;
  --brand-hover: #e8d030;
  --brand-muted: rgba(245, 224, 58, 0.14);
  --accent:      #2fd4ff;
  --accent-dim:  #1cb8db;
  --accent-muted: rgba(47, 212, 255, 0.12);
  --accent-glow:  rgba(47, 212, 255, 0.32);
  --accent-2:    var(--brand);
  --white:    #f5f5fa;
  --radius:   10px;
  --radius-lg: 14px;
  --shadow:   0 14px 34px rgba(0,0,0,.45);
  --max-w:    1120px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(820px 520px at 10% -8%, rgba(47,212,255,.20), transparent 52%),
    radial-gradient(640px 420px at 96% 12%, rgba(245,224,58,.08), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--brand); }

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

/* --- Utility --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.dot { color: var(--text-dim); margin: 0 6px; }

/* --- Topbar --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, .85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.05rem;
}
.brand:hover { color: var(--white); }

.brand-mark {
  height: 32px;
  width: auto;
  border-radius: 4px;
  transition: transform .4s cubic-bezier(.25,.46,.45,.94), filter .4s;
}
.brand:hover .brand-mark {
  transform: rotate(30deg) scale(1.12);
  filter: drop-shadow(0 0 8px rgba(245,224,58,.5));
}

.brand-name { letter-spacing: -0.02em; }

/* Wordplay animation: kcolb ↔ block */
.wordplay {
  display: inline-block;
  perspective: 400px;
  color: var(--brand);
}
.wp-letter {
  display: inline-block;
  transform-origin: center center;
  will-change: transform, opacity;
}

/* Navigation */
.nav { display: flex; align-items: center; gap: 8px; }

.nav-link {
  color: var(--text-dim);
  font-size: .875rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color .15s, background .15s;
}
.nav-link:hover { color: var(--white); background: var(--bg-hover); }

.nav-link-cta {
  color: var(--brand);
  border: 1px solid var(--brand);
}
.nav-link-cta:hover {
  background: var(--brand);
  color: var(--bg);
  box-shadow: 0 0 20px rgba(245, 224, 58, 0.25);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

/* --- Buttons --- */
.button {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  font-size: .9rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition: all .15s;
}
.button:hover { border-color: var(--text-dim); color: var(--white); background: var(--bg-hover); }

.button.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--bg);
}
.button.primary:hover {
  background: var(--brand-hover);
  border-color: var(--brand-hover);
  color: var(--bg);
  box-shadow: 0 0 24px rgba(245, 224, 58, 0.3), 0 0 40px var(--accent-glow);
}

.button.ghost { border-color: transparent; color: var(--text-dim); }
.button.ghost:hover { color: var(--accent); border-color: transparent; }

/* --- Hero --- */
.hero {
  padding: 100px 0 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: center;
}

.hero-copy { max-width: 640px; }

.kicker {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--brand);
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.accent { color: var(--brand); }

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 24px;
  max-width: 36rem;
}

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }

.hero-links { font-size: .85rem; color: var(--text-dim); }
.hero-links a { color: var(--text-dim); }
.hero-links a:hover { color: var(--accent); }

/* Hero stats */
.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stat {
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.stat-label {
  font-size: .78rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* --- Ticker --- */
.ticker {
  margin-top: 56px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  white-space: nowrap;
}

.ticker-track {
  display: inline-flex;
  gap: 40px;
  animation: scroll-ticker 30s linear infinite;
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.ticker-track span { flex-shrink: 0; }

@keyframes scroll-ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Sections --- */
.section { padding: 96px 0; }

.section-head {
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.section-head p {
  color: var(--text-dim);
  font-size: 1rem;
}

.section-actions {
  margin-top: 40px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Blog cards (homepage + blog index) --- */
.blog-grid{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}
.blog-card{
  grid-column: span 6;
  padding: 18px;
  background: linear-gradient(180deg, rgba(18,18,26,.85), rgba(18,18,26,.55));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform .15s, background .15s, border-color .15s;
  color: var(--text);
}
.blog-card:hover{
  background: linear-gradient(180deg, rgba(26,26,38,.9), rgba(18,18,26,.55));
  border-color: var(--accent);
  box-shadow: 0 0 28px var(--accent-glow);
  transform: translateY(-2px);
}
.blog-card-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  font-size: .78rem;
  color: var(--text-dim);
}
.blog-tag{
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text-dim);
}
.blog-card h2,
.blog-card h3{
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 10px;
}
.blog-card p{
  color: var(--text-dim);
  margin: 0;
}

/* --- Blog / Article typography --- */
.hero-compact{ padding: 72px 0 0; }
.section-tight{ padding-top: 56px; }
.blog-page .hero-title{ margin-bottom: 14px; }

.article-head{
  padding: 84px 0 26px;
  border-bottom: 1px solid var(--border);
}
.breadcrumbs{
  font-size: .85rem;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.breadcrumbs a{ color: var(--text-dim); }
.breadcrumbs a:hover{ color: var(--accent); }

.article-head h1{
  font-size: clamp(2.1rem, 4.2vw, 3.3rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: var(--white);
}
.article-subtitle{
  color: var(--text-dim);
  font-size: 1.1rem;
  line-height: 1.75;
  max-width: 70ch;
  margin-bottom: 14px;
}
.article-meta{
  font-size: .85rem;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.article-figure{ padding: 34px 0 0; }
.illustration{
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255,255,255,.02);
}
.illustration-placeholder{
  min-height: 320px;
  display: grid;
  place-content: center;
  gap: 8px;
  padding: 22px;
  text-align: center;
  background:
    radial-gradient(500px 220px at 20% 10%, rgba(47,212,255,.22), transparent 58%),
    radial-gradient(520px 240px at 80% 80%, rgba(245,224,58,.1), transparent 60%),
    rgba(255,255,255,.02);
}
.illus-title{
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}
.illus-caption{
  color: var(--text-dim);
  font-size: .92rem;
}

.prose{
  padding: 34px 0 40px;
  max-width: 760px;
}
.prose h2{
  margin-top: 28px;
  margin-bottom: 10px;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--white);
}
.prose p{ margin: 12px 0; color: var(--text); }
.prose ul, .prose ol{
  margin: 12px 0 12px 22px;
  color: var(--text);
}
.prose li{ margin: 8px 0; }
.prose blockquote{
  margin: 18px 0;
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  background: var(--accent-muted);
  border-radius: var(--radius);
  color: var(--white);
}
.callout{
  margin-top: 28px;
  padding: 18px;
  border: 1px solid rgba(245, 224, 58, 0.35);
  background: var(--brand-muted);
  border-radius: var(--radius-lg);
}
.callout-title{
  font-weight: 800;
  color: var(--white);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.callout-body{ color: var(--text-dim); margin-bottom: 14px; }
.callout-actions{ display: flex; gap: 12px; flex-wrap: wrap; }
.article-footer{ padding: 0 0 64px; }

@media (max-width: 900px){
  .blog-card{ grid-column: span 12; }
  .illustration-placeholder{ min-height: 260px; }
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: 20px;
}

/* --- Cards --- */
.cards { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s, transform .2s;
}
.card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 28px var(--accent-glow);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 1.6rem;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.card p {
  font-size: .875rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.card-refs {
  display: block;
  margin-top: 12px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: .7rem;
  color: var(--text-dim);
  letter-spacing: -0.02em;
  line-height: 1.45;
}

.card-refs a {
  color: var(--accent);
  text-decoration: none;
}

.card-refs a:hover {
  text-decoration: underline;
}

/* --- Projects --- */
.projects { display: flex; flex-direction: column; gap: 40px; }

.projects-group {}

.projects-title {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.projects-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

.project {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color .2s, transform .2s;
  color: var(--text);
}
.project:hover {
  border-color: var(--accent);
  box-shadow: 0 0 28px var(--accent-glow);
  transform: translateY(-2px);
  color: var(--text);
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.project-name {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-weight: 700;
  font-size: .95rem;
  color: var(--white);
}

.project-meta {
  font-size: .75rem;
  color: var(--text-dim);
}

.project-desc {
  font-size: .85rem;
  color: var(--text-dim);
  line-height: 1.55;
}

a.project-body {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: calc(var(--radius) - 4px);
  margin: -4px;
  padding: 4px;
}
a.project-body:hover .project-name { color: var(--brand); }
a.project-body:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 12px;
}

.project-link-docs {
  display: inline-flex;
  align-items: center;
  font-size: .75rem;
  font-weight: 600;
  color: var(--accent);
  opacity: .9;
  transition: opacity .2s, color .2s;
}
.project-link-docs:hover { opacity: 1; color: var(--white); }

.project:hover .project-link-docs { opacity: 1; }

.project-link-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .75rem;
  line-height: 1;
  color: var(--text-dim);
  opacity: .7;
  transition: opacity .2s, color .2s;
  max-width: max-content;
}
/* Inline SVG without width/height can default to 300×150 in some engines inside flex */
.project-link-github svg {
  width: 14px;
  height: 14px;
  min-width: 14px;
  min-height: 14px;
  max-width: 14px;
  max-height: 14px;
  flex: 0 0 14px;
  flex-shrink: 0;
  display: block;
  fill: currentColor;
  overflow: hidden;
}
.project-link-github:hover { opacity: 1; color: var(--white); }

.project:hover .project-link-github { opacity: 1; }

/* --- Scroll-reveal animations --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(.25,.46,.45,.94), transform .7s cubic-bezier(.25,.46,.45,.94);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children inside grids */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s cubic-bezier(.25,.46,.45,.94), transform .5s cubic-bezier(.25,.46,.45,.94);
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: .08s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: .16s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: .24s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: .32s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: .40s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: .48s; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: .56s; }
.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* Glow pulse on project cards */
@keyframes card-glow-pulse {
  0%, 100% { box-shadow: 0 0 0 rgba(47,212,255,0); }
  50%      { box-shadow: 0 0 20px var(--accent-glow); }
}
.project:hover {
  animation: card-glow-pulse 2s ease-in-out infinite;
}

/* --- Newsletter bar --- */
.newsletter-bar {
  padding: 48px 24px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

/* --- Project tags --- */
.project-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.ptag {
  font-size: .65rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; color: var(--accent); background: rgba(78, 140, 255, .08);
  padding: 2px 8px; border-radius: 3px; line-height: 1.6;
}

/* --- Steps --- */
.steps { display: flex; flex-direction: column; gap: 0; }

.step {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.step:first-child { border-top: 1px solid var(--border); }

.step-num {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  width: 40px;
}

.step h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.step p {
  font-size: .875rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* --- Blog Cards --- */
.blog-grid { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }

.blog-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  color: var(--text);
  transition: border-color .2s, transform .2s;
}
.blog-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 28px var(--accent-glow);
  transform: translateY(-2px);
  color: var(--text);
}

.blog-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.blog-date {
  font-size: .75rem;
  color: var(--text-dim);
}

.blog-tag {
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  background: var(--accent-muted);
  padding: 2px 8px;
  border-radius: 4px;
}

.blog-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.4;
}

.blog-card p {
  font-size: .85rem;
  color: var(--text-dim);
  line-height: 1.55;
}

/* --- Collaborate CTA --- */
.collaborate {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--bg) 0%, #0d0d18 100%);
}

.collaborate-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.collaborate h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.collaborate p {
  color: var(--text-dim);
  max-width: 520px;
  line-height: 1.65;
}

.collaborate-actions { display: flex; gap: 12px; flex-shrink: 0; }

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

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

.footer-left {}

.footer-brand {
  font-weight: 700;
  color: var(--white);
  font-size: .9rem;
  margin-bottom: 4px;
}

.footer-meta {
  font-size: .78rem;
  color: var(--text-dim);
}

.footer-right {
  font-size: .8rem;
  color: var(--text-dim);
}
.footer-right a { color: var(--text-dim); }
.footer-right a:hover { color: var(--accent); }

/* --- Page wrapper --- */
.page { min-height: 100vh; }

/* --- Join Form --- */
.join-form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: .85rem;
  font-weight: 500;
  color: var(--white);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: .9rem;
  transition: border-color .2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 18px var(--accent-glow);
}

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

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-dim);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

/* --- Step Cards --- */
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.step-card h3 {
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 8px;
}

.step-card p {
  font-size: .85rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.step-card .step-num {
  width: 28px;
  height: 28px;
  background: var(--brand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  color: var(--bg);
  margin-bottom: 12px;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 768px) {
  .hero { padding: 72px 0 0; }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-stats {
    flex-direction: row;
    gap: 12px;
  }
  .stat { padding: 14px; flex: 1; }
  .stat-value { font-size: 1rem; }

  .hero-title { font-size: 1.8rem; }

  .section { padding: 64px 0; }

  .cards { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }

  .collaborate-inner { flex-direction: column; text-align: center; align-items: center; }
  .collaborate-actions { justify-content: center; }

  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }

  .steps .step { flex-direction: column; gap: 8px; }
  .step-num { width: auto; }

  /* Mobile nav */
  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 4px;
  }
  .nav.open { display: flex; }
  .nav-link { padding: 10px 12px; }
  .nav-toggle { display: block; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; }
  .cta-row { flex-direction: column; }
  .cta-row .button { width: 100%; justify-content: center; }
}