/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red: #FF4136;
  --orange: #FF851B;
  --bg: #0D0D0D;
  --surface: #1A1A1A;
  --surface-2: #242424;
  --surface-3: #2E2E2E;
  --border: rgba(255,255,255,0.08);
  --text: #F5F5F5;
  --text-muted: #999;
  --text-subtle: #666;
  --radius-card: 20px;
  --radius-btn: 12px;
  --radius-chip: 8px;
  --font: 'Inter', system-ui, sans-serif;
  --gutter: clamp(16px, 5vw, 80px);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--red); color: #fff; }

/* ===== UTILITIES ===== */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 15px;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--red), #e8322a);
  color: #fff;
  padding: 14px 28px;
  box-shadow: 0 0 24px rgba(255,65,54,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 32px rgba(255,65,54,0.5);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--text);
  padding: 14px 28px;
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  background: var(--surface);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn-large { font-size: 17px; padding: 16px 34px; }
.btn-sm { padding: 10px 20px; font-size: 14px; }

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 68px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.nav-logo-img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 16px var(--gutter) 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.nav-mobile.open { display: flex; }
.mobile-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-link:hover { color: var(--text); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px var(--gutter) 60px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,65,54,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,65,54,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 80%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,65,54,0.15), transparent 70%);
  top: -100px; left: -100px;
}
.hero-glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,133,27,0.10), transparent 70%);
  bottom: 0; right: 0;
}
.hero-content {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0;
  flex: 1;
  z-index: 1;
  max-width: 560px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,65,54,0.12);
  border: 1px solid rgba(255,65,54,0.25);
  color: var(--red);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--red);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero-title {
  font-size: clamp(44px, 8vw, 80px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.hero-subtitle {
  font-size: clamp(16px, 2.5vw, 19px);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 40px;
}
.hero-subtitle strong { color: var(--text); }
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -1px;
}
.stat-label { font-size: 13px; color: var(--text-muted); }
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ===== PHONE MOCKUP ===== */
.hero-phone-wrap {
  position: absolute;
  right: clamp(20px, 6vw, 120px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
}
.phone-frame {
  width: 280px;
  height: 570px;
  background: var(--surface);
  border-radius: 40px;
  border: 3px solid rgba(255,255,255,0.12);
  box-shadow:
    0 40px 80px rgba(0,0,0,0.6),
    0 0 0 1px rgba(255,255,255,0.04) inset,
    inset 0 1px 0 rgba(255,255,255,0.12);
  overflow: hidden;
  position: relative;
}
.phone-frame::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 100px; height: 28px;
  background: var(--bg);
  border-radius: 0 0 20px 20px;
  z-index: 10;
}
.phone-screen { padding: 32px 0 0; height: 100%; overflow: hidden; }
.phone-ui { padding: 0 14px; }
.phone-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.phone-app-title { font-weight: 800; font-size: 18px; }
.phone-notif-dot {
  width: 8px; height: 8px;
  background: var(--red);
  border-radius: 50%;
}
.phone-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 11px;
  font-weight: 600;
}
.phone-tab {
  padding: 6px 12px;
  border-radius: 20px;
  color: var(--text-muted);
  background: transparent;
}
.phone-tab.active {
  background: var(--red);
  color: #fff;
}
.phone-card {
  background: var(--surface-3);
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 10px;
  border: 1px solid var(--border);
  animation: cardFloat 5s ease-in-out infinite;
}
.phone-card-2 { animation-delay: 2.5s; }
@keyframes cardFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.phone-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.phone-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.phone-username { font-size: 11px; font-weight: 600; }
.phone-time { font-size: 9px; color: var(--text-subtle); }
.phone-chip {
  margin-left: auto;
  background: rgba(255,65,54,0.15);
  color: var(--red);
  font-size: 9px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
}
.phone-take-text {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 10px;
}
.phone-controversy { margin-bottom: 8px; }
.controversy-label { font-size: 9px; color: var(--text-muted); margin-bottom: 4px; display: block; }
.controversy-bar {
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}
.controversy-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--orange), var(--red));
  border-radius: 2px;
}
.phone-actions { display: flex; gap: 6px; }
.phone-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 9px;
  font-weight: 600;
  padding: 6px 4px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-family: var(--font);
}
.phone-btn.agree { background: rgba(34,197,94,0.15); color: #22c55e; }
.phone-btn.disagree { background: rgba(255,65,54,0.15); color: var(--red); }
.phone-btn.challenge { background: rgba(255,133,27,0.15); color: var(--orange); flex: 0 0 32px; }
.phone-glow {
  position: absolute;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255,65,54,0.3), transparent 70%);
  bottom: -60px; left: 50%;
  transform: translateX(-50%);
  filter: blur(40px);
  pointer-events: none;
}

/* ===== SECTIONS ===== */
.section {
  padding: clamp(80px, 12vw, 140px) 0;
}
.section-dark { background: var(--surface); }
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== STEPS ===== */
.steps-grid {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 40px 32px;
  flex: 1;
  min-width: 260px;
  max-width: 320px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.step-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,65,54,0.3);
}
.step-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,65,54,0.04), transparent);
  pointer-events: none;
}
.step-number {
  font-size: 48px;
  font-weight: 900;
  color: rgba(255,65,54,0.12);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -2px;
}
.step-icon { font-size: 36px; margin-bottom: 16px; }
.step-title { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.step-desc { font-size: 15px; color: var(--text-muted); line-height: 1.6; }
.step-connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,65,54,0.5), transparent);
  flex-shrink: 0;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--orange));
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,65,54,0.2);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.feature-card:hover::before { opacity: 1; }
.feature-card-large { grid-column: span 1; }
.feature-icon-wrap { font-size: 36px; margin-bottom: 16px; }
.feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }
.feature-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--red);
  background: rgba(255,65,54,0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

/* ===== CATEGORIES ===== */
.categories-track-wrap {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.categories-track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.categories-track:hover { animation-play-state: paused; }
.cat-chip {
  flex-shrink: 0;
  padding: 12px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: default;
  transition: all 0.2s;
  white-space: nowrap;
}
.cat-chip:hover, .cat-chip.active {
  background: rgba(255,65,54,0.1);
  border-color: rgba(255,65,54,0.4);
  color: var(--red);
}

/* ===== LEADERBOARD ===== */
.lb-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.lb-tabs {
  display: flex;
  gap: 8px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.lb-tab {
  padding: 10px 18px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font);
}
.lb-tab:hover { border-color: rgba(255,65,54,0.4); color: var(--text); }
.lb-tab.active {
  background: rgba(255,65,54,0.15);
  border-color: rgba(255,65,54,0.4);
  color: var(--red);
}
.lb-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.lb-card-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background: var(--surface-3);
}
.lb-week { font-size: 14px; font-weight: 700; }
.lb-reset { font-size: 12px; color: var(--text-muted); }
.lb-entries { padding: 12px; display: flex; flex-direction: column; gap: 6px; }
.lb-entry {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  transition: background 0.2s;
}
.lb-entry:hover { background: var(--surface-3); }
.lb-position {
  width: 28px;
  text-align: center;
  font-size: 14px;
  font-weight: 800;
  color: var(--text-muted);
  flex-shrink: 0;
}
.lb-entry.rank-1 .lb-position { color: #FFD700; }
.lb-entry.rank-2 .lb-position { color: #C0C0C0; }
.lb-entry.rank-3 .lb-position { color: #CD7F32; }
.lb-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.lb-name { flex: 1; font-size: 14px; font-weight: 600; }
.lb-score { font-size: 14px; font-weight: 700; color: var(--red); margin-left: auto; }
.lb-footer {
  padding: 14px 24px;
  border-top: 1px dashed var(--border);
  background: rgba(255,65,54,0.04);
}
.lb-you {
  display: flex;
  align-items: center;
  gap: 12px;
}
.lb-you .lb-position { color: var(--text-muted); font-size: 13px; }
.lb-you-avatar { background: var(--red); font-size: 11px; }
.lb-you .lb-name { font-size: 13px; color: var(--text-muted); }

/* ===== POINTS ===== */
.points-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.point-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 140px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.point-item:hover { transform: translateY(-4px); border-color: rgba(255,65,54,0.3); }
.point-value {
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -1px;
}
.point-value.positive { color: #22c55e; }
.point-value.negative { color: var(--red); }
.point-label { font-size: 13px; color: var(--text-muted); font-weight: 600; text-align: center; }

/* ===== CTA / DOWNLOAD ===== */
.section-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(100px, 14vw, 180px) 0;
}
.cta-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.cta-glow-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,65,54,0.2), transparent 70%);
  top: -100px; left: -100px;
}
.cta-glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,133,27,0.15), transparent 70%);
  bottom: -80px; right: -80px;
}
.cta-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.cta-logo {
  width: 80px; height: 80px;
  border-radius: 20px;
  margin-bottom: 24px;
  box-shadow: 0 16px 40px rgba(255,65,54,0.3);
}
.cta-title {
  font-size: clamp(36px, 6vw, 60px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 16px;
}
.cta-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 40px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.store-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 16px 28px;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.store-btn:hover {
  transform: translateY(-3px);
  border-color: rgba(255,65,54,0.4);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}
.store-sub { font-size: 11px; color: var(--text-muted); }
.store-name { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; }
.cta-legal { font-size: 13px; color: var(--text-subtle); }

/* ===== FOOTER ===== */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  padding-bottom: 60px;
  align-items: start;
}
.footer-brand { max-width: 280px; }
.footer-logo { width: 42px; height: 42px; border-radius: 10px; }
.footer-brand-name {
  font-size: 20px;
  font-weight: 800;
  display: block;
  margin: 10px 0 6px;
}
.footer-tagline { font-size: 14px; color: var(--text-muted); }
.footer-links-group {
  display: flex;
  gap: 60px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px var(--gutter);
  text-align: center;
  font-size: 13px;
  color: var(--text-subtle);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1000px) {
  .hero { flex-direction: column; align-items: flex-start; padding-top: 120px; min-height: auto; }
  .hero-phone-wrap { position: relative; right: auto; top: auto; transform: none; margin: 48px auto 0; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .lb-layout { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 700px) {
  .nav-links, .nav .btn { display: none; }
  .nav-hamburger { display: flex; }
  .hero-title { letter-spacing: -1px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { flex-direction: column; }
  .step-connector { width: 2px; height: 40px; background: linear-gradient(180deg, transparent, rgba(255,65,54,0.5), transparent); }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links-group { gap: 40px; }
  .lb-layout { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .hero-stats { gap: 16px; }
}