/* ===== CSS CUSTOM PROPERTIES (Malus Design System) ===== */
:root {
  --white: #ffffff;
  --brand-blue: #4d55e8;
  --neutral-light: #f3f3f3;
  --surface-base: #f2f2ff;
  --body-text: #333333;
  --golden-yellow: #ffbe00;
  --heading-text: #222222;
  --secondary-text: #7b7b7b;
  --warm-orange: #ff960c;
  --lavender-muted: #babce6;
  --verified-green: #07bb07;
  --font-main: "Chinese Quote", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --shadow-card: 0px 2px 24px 0px rgba(0,0,0,0.06);
  --shadow-float: 0px 20px 20px 0px rgba(0,0,0,0.03);
  --shadow-elevated: 0px 6px 24px 0px rgba(0,0,0,0.09);
  --shadow-dropdown: 0px 8px 20px 0px rgba(0,0,0,0.1);
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-card: 16px;
  --radius-pill: 100px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; max-width: 100%; scroll-behavior: smooth; }
body { font-family: var(--font-main); font-size: 16px; color: var(--body-text); background: var(--white); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===== CONTAINER ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== HEADER / NAV ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--white);
  box-shadow: 0 1px 0 0 #f0f0f0;
  height: 64px; display: flex; align-items: center;
}
.nav { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nav-logo img { height: 32px; width: auto; }
.nav-logo span { font-size: 18px; font-weight: 600; color: var(--heading-text); }

.nav-center { display: flex; align-items: center; gap: 4px; }
.nav-link {
  font-size: 14px; font-weight: 500; color: var(--body-text);
  padding: 8px 14px; border-radius: var(--radius-md);
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--brand-blue); background: var(--surface-base); }
.nav-link.active { color: var(--brand-blue); }

/* Dropdown */
.nav-item { position: relative; }
.nav-dropdown {
  display: none; position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  min-width: 200px; background: var(--white); border-radius: var(--radius-card);
  box-shadow: var(--shadow-dropdown); padding: 8px; z-index: 200;
  border: 1px solid #f0f0f6;
}
.nav-item:hover .nav-dropdown { display: block; }
.nav-dropdown a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; font-size: 14px; font-weight: 500; color: var(--body-text);
  border-radius: var(--radius-md); transition: background 0.15s, color 0.15s;
}
.nav-dropdown a:hover { background: var(--surface-base); color: var(--brand-blue); }
.nav-dropdown .dropdown-icon { font-size: 18px; }
.chevron { font-size: 10px; margin-left: 2px; opacity: 0.6; }

.nav-right { display: flex; align-items: center; gap: 12px; }

/* Lang switcher desktop */
.lang-switcher { display: flex; align-items: center; gap: 4px; }
.lang-btn {
  font-size: 13px; font-weight: 500; color: var(--secondary-text);
  padding: 4px 8px; border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s; border: none; background: none; cursor: pointer;
}
.lang-btn:hover { color: var(--brand-blue); background: var(--surface-base); }
.lang-btn.active { color: var(--brand-blue); font-weight: 600; }
.lang-sep { color: var(--lavender-muted); font-size: 12px; }

/* CTA button */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 22px; border-radius: var(--radius-pill); font-size: 14px; font-weight: 500; cursor: pointer; transition: all 0.2s; border: none; }
.btn-primary { background: var(--brand-blue); color: var(--white); }
.btn-primary:hover { background: #3d45d8; box-shadow: 0 4px 16px rgba(77,85,232,0.3); }
.btn-outline { background: transparent; color: var(--brand-blue); border: 1.5px solid var(--brand-blue); }
.btn-outline:hover { background: var(--surface-base); }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-xl { padding: 16px 40px; font-size: 16px; }

/* Hamburger */
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  font-size: 26px; color: var(--heading-text); line-height: 1; padding: 4px;
  flex-shrink: 0;
}

/* ===== MOBILE NAV ===== */
@media (max-width: 768px) {
  .nav-center, .nav-right .btn, .nav-right .lang-switcher { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }

  .mobile-menu {
    display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
    width: 100vw; background: var(--white);
    flex-direction: column; align-items: stretch;
    overflow-y: auto; z-index: 999;
    padding: 16px 0 40px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  }
  .mobile-menu.open { display: flex; }

  .mobile-nav-link {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 24px; font-size: 16px; font-weight: 500; color: var(--heading-text);
    border-bottom: 1px solid #f3f3f3; min-height: 54px;
    transition: background 0.15s, color 0.15s;
  }
  .mobile-nav-link:hover { background: var(--surface-base); color: var(--brand-blue); }
  .mobile-nav-link.active { color: var(--brand-blue); }

  /* Mobile dropdown accordion */
  .mobile-dropdown-toggle { cursor: pointer; }
  .mobile-dropdown-toggle .caret { transition: transform 0.2s; }
  .mobile-dropdown-toggle.expanded .caret { transform: rotate(180deg); }
  .mobile-sub-links { display: none; background: var(--surface-base); }
  .mobile-sub-links.open { display: block; }
  .mobile-sub-link {
    display: block; padding: 13px 36px; font-size: 15px; color: var(--body-text);
    border-bottom: 1px solid rgba(186,188,230,0.3);
    transition: color 0.15s;
  }
  .mobile-sub-link:hover { color: var(--brand-blue); }

  /* Mobile lang switcher inside menu */
  .mobile-lang { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 20px 24px; margin-top: 8px; }
  .mobile-lang .lang-btn { font-size: 15px; padding: 8px 16px; background: var(--neutral-light); border-radius: var(--radius-pill); }
  .mobile-lang .lang-btn.active { background: var(--brand-blue); color: var(--white); }
  .mobile-lang .lang-sep { display: none; }

  /* Mobile CTA */
  .mobile-cta { margin: 16px 24px 0; }
  .mobile-cta .btn { width: 100%; justify-content: center; font-size: 16px; padding: 15px; }
}

/* ===== HERO ===== */
.hero {
  background: var(--surface-base);
  padding: 80px 0 60px;
  position: relative; overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--white); border: 1px solid var(--verified-green);
  border-radius: var(--radius-pill); padding: 6px 14px;
  font-size: 13px; font-weight: 500; color: var(--heading-text);
  margin-bottom: 20px;
}
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--verified-green); }
.hero h1 { font-size: 44px; font-weight: 500; color: var(--heading-text); line-height: 1.2; margin-bottom: 20px; }
.hero h1 span { color: var(--brand-blue); }
.hero-desc { font-size: 16px; color: var(--secondary-text); line-height: 1.7; margin-bottom: 32px; max-width: 480px; }
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat strong { font-size: 22px; font-weight: 600; color: var(--heading-text); }
.hero-stat span { font-size: 13px; color: var(--secondary-text); }
.hero-img-wrap { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-elevated); position: relative; }
.hero-img-wrap img { width: 100%; height: 380px; object-fit: cover; }

/* Stars */
.stars { display: flex; align-items: center; gap: 6px; margin-bottom: 16px; }
.star { color: var(--golden-yellow); font-size: 18px; }
.stars-text { font-size: 14px; color: var(--secondary-text); }
.stars-text strong { color: var(--heading-text); }

/* Platform badges */
.platform-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.platform-pill {
  display: flex; align-items: center; gap: 6px; padding: 6px 14px;
  background: var(--white); border-radius: var(--radius-pill); font-size: 13px; font-weight: 500;
  box-shadow: var(--shadow-card); border: 1px solid #f0f0f0;
}

/* ===== SECTIONS ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--neutral-light); }
.section-blue { background: var(--surface-base); }
.section-title { font-size: 32px; font-weight: 500; color: var(--heading-text); text-align: center; margin-bottom: 12px; }
.section-sub { font-size: 16px; color: var(--secondary-text); text-align: center; margin-bottom: 48px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ===== FEATURE GRID ===== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--white); border-radius: var(--radius-card); padding: 32px 28px;
  box-shadow: var(--shadow-card); border: 1px solid #f0f0f6;
  transition: box-shadow 0.2s, transform 0.2s;
}
.feature-card:hover { box-shadow: var(--shadow-elevated); transform: translateY(-2px); }
.feature-icon {
  width: 56px; height: 56px; border-radius: var(--radius-lg); background: var(--surface-base);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 28px;
}
.feature-card h3 { font-size: 18px; font-weight: 500; color: var(--heading-text); margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--secondary-text); line-height: 1.7; }

/* ===== IMAGE + TEXT ===== */
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-section.reverse { direction: rtl; }
.split-section.reverse > * { direction: ltr; }
.split-img { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-elevated); }
.split-img img { width: 100%; height: 320px; object-fit: cover; }
.split-text h2 { font-size: 32px; font-weight: 500; color: var(--heading-text); margin-bottom: 16px; line-height: 1.3; }
.split-text p { font-size: 16px; color: var(--secondary-text); line-height: 1.7; margin-bottom: 20px; }
.check-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.check-item { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: var(--body-text); }
.check-icon { color: var(--verified-green); font-size: 18px; margin-top: 1px; flex-shrink: 0; }

/* ===== STATS ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card {
  background: var(--white); border-radius: var(--radius-card); padding: 32px 24px; text-align: center;
  box-shadow: var(--shadow-card); border: 1px solid #f0f0f6;
}
.stat-card .num { font-size: 40px; font-weight: 600; color: var(--brand-blue); margin-bottom: 8px; }
.stat-card .label { font-size: 14px; color: var(--secondary-text); }

/* ===== PLATFORMS ===== */
.platform-tabs { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 32px; }
.platform-tab {
  display: flex; align-items: center; gap: 8px; padding: 10px 20px;
  border-radius: var(--radius-pill); font-size: 14px; font-weight: 500;
  background: var(--white); border: 1.5px solid #e8e8f0; color: var(--body-text);
  cursor: pointer; transition: all 0.2s;
}
.platform-tab:hover, .platform-tab.active { background: var(--brand-blue); color: var(--white); border-color: var(--brand-blue); }

/* ===== PRICING ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 960px; margin: 0 auto; }
.pricing-card {
  background: var(--white); border-radius: var(--radius-card); padding: 36px 28px;
  box-shadow: var(--shadow-card); border: 1.5px solid #f0f0f6; position: relative;
  transition: box-shadow 0.2s;
}
.pricing-card.featured { border-color: var(--brand-blue); box-shadow: var(--shadow-elevated); }
.pricing-badge-pop {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--brand-blue); color: var(--white);
  padding: 4px 18px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600;
  white-space: nowrap;
}
.pricing-name { font-size: 18px; font-weight: 600; color: var(--heading-text); margin-bottom: 8px; }
.pricing-price { margin-bottom: 4px; }
.pricing-price .amount { font-size: 40px; font-weight: 700; color: var(--heading-text); }
.pricing-price .per { font-size: 14px; color: var(--secondary-text); }
.pricing-desc { font-size: 13px; color: var(--secondary-text); margin-bottom: 28px; }
.pricing-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.pricing-feat { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--body-text); }
.pricing-feat .ok { color: var(--verified-green); }
.pricing-feat .no { color: var(--lavender-muted); }

/* ===== TESTIMONIALS ===== */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--white); border-radius: var(--radius-card); padding: 28px 24px;
  box-shadow: var(--shadow-card); border: 1px solid #f0f0f6;
}
.testimonial-stars { display: flex; gap: 3px; margin-bottom: 14px; }
.testimonial-text { font-size: 15px; color: var(--body-text); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 40px; height: 40px; border-radius: 50%; background: var(--surface-base);
  display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0;
}
.author-name { font-size: 14px; font-weight: 600; color: var(--heading-text); }
.author-loc { font-size: 12px; color: var(--secondary-text); }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: var(--brand-blue); border-radius: var(--radius-card); padding: 56px 48px;
  text-align: center; color: var(--white);
}
.cta-banner h2 { font-size: 36px; font-weight: 500; margin-bottom: 12px; }
.cta-banner p { font-size: 16px; opacity: 0.85; margin-bottom: 32px; }
.cta-banner .btn { background: var(--white); color: var(--brand-blue); font-weight: 600; }
.cta-banner .btn:hover { background: #f0f0ff; }

/* ===== FOOTER ===== */
.site-footer { background: var(--surface-base); padding: 64px 0 32px; border-top: 1px solid var(--lavender-muted); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand img { height: 32px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--secondary-text); line-height: 1.7; max-width: 240px; }
.footer-col h4 { font-size: 14px; font-weight: 600; color: var(--heading-text); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: var(--secondary-text); transition: color 0.2s; }
.footer-col a:hover { color: var(--brand-blue); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; border-top: 1px solid var(--lavender-muted); flex-wrap: wrap; gap: 12px; }
.footer-copy { font-size: 13px; color: var(--secondary-text); }
.footer-lang { display: flex; gap: 12px; }
.footer-lang a { font-size: 13px; color: var(--secondary-text); }
.footer-lang a:hover { color: var(--brand-blue); }
.footer-lang a.active { color: var(--brand-blue); font-weight: 600; }

/* ===== FAQ ===== */
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--white); border-radius: var(--radius-card); box-shadow: var(--shadow-card); border: 1px solid #f0f0f6; overflow: hidden; }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; padding: 20px 24px;
  font-size: 16px; font-weight: 500; color: var(--heading-text); cursor: pointer;
  user-select: none;
}
.faq-q:hover { color: var(--brand-blue); }
.faq-q .faq-caret { font-size: 12px; color: var(--secondary-text); transition: transform 0.2s; flex-shrink: 0; }
.faq-item.open .faq-caret { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 24px 20px; font-size: 15px; color: var(--secondary-text); line-height: 1.7; }
.faq-item.open .faq-a { display: block; }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero { background: var(--surface-base); padding: 64px 0; text-align: center; }
.page-hero h1 { font-size: 40px; font-weight: 500; color: var(--heading-text); margin-bottom: 16px; }
.page-hero p { font-size: 18px; color: var(--secondary-text); max-width: 560px; margin: 0 auto 28px; }

/* ===== PLATFORM PAGE ===== */
.platform-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 64px 0; }
.dl-box { background: var(--white); border-radius: var(--radius-card); padding: 32px; box-shadow: var(--shadow-elevated); border: 1px solid #f0f0f6; }
.dl-platform-icon { font-size: 48px; margin-bottom: 16px; }
.dl-box h2 { font-size: 28px; font-weight: 500; color: var(--heading-text); margin-bottom: 10px; }
.dl-box p { font-size: 15px; color: var(--secondary-text); margin-bottom: 24px; }
.system-req { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.system-req li { display: flex; gap: 8px; font-size: 14px; color: var(--body-text); }
.system-req li::before { content: "•"; color: var(--brand-blue); }

/* ===== PROSE (privacy/terms) ===== */
.prose { max-width: 800px; margin: 0 auto; padding: 56px 24px; }
.prose h1 { font-size: 36px; font-weight: 500; color: var(--heading-text); margin-bottom: 8px; }
.prose .last-updated { font-size: 14px; color: var(--secondary-text); margin-bottom: 40px; }
.prose h2 { font-size: 22px; font-weight: 500; color: var(--heading-text); margin: 36px 0 14px; }
.prose p { font-size: 15px; color: var(--body-text); line-height: 1.8; margin-bottom: 16px; }
.prose ul { padding-left: 20px; margin-bottom: 16px; }
.prose ul li { font-size: 15px; color: var(--body-text); line-height: 1.8; margin-bottom: 6px; list-style: disc; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.contact-form { background: var(--white); border-radius: var(--radius-card); padding: 40px; box-shadow: var(--shadow-card); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; color: var(--heading-text); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border: 1.5px solid #e8e8f0; border-radius: var(--radius-md);
  font-family: var(--font-main); font-size: 15px; color: var(--body-text); background: var(--white);
  outline: none; transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--brand-blue); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ===== DOWNLOAD PAGE ===== */
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dl-card {
  background: var(--white); border-radius: var(--radius-card); padding: 28px 20px; text-align: center;
  box-shadow: var(--shadow-card); border: 1px solid #f0f0f6;
  transition: box-shadow 0.2s, transform 0.2s;
}
.dl-card:hover { box-shadow: var(--shadow-elevated); transform: translateY(-2px); }
.dl-card .dl-icon { font-size: 40px; margin-bottom: 12px; }
.dl-card h3 { font-size: 16px; font-weight: 600; color: var(--heading-text); margin-bottom: 8px; }
.dl-card p { font-size: 13px; color: var(--secondary-text); margin-bottom: 16px; }

/* ===== BADGE ===== */
.badge {
  display: inline-flex; padding: 3px 10px; border-radius: var(--radius-pill);
  font-size: 12px; font-weight: 600;
}
.badge-sale { background: var(--warm-orange); color: var(--white); }
.badge-new { background: var(--brand-blue); color: var(--white); }
.badge-free { background: var(--neutral-light); color: var(--secondary-text); }

/* ===== IMAGE PANELS ===== */
.img-panel { width: 100%; border-radius: var(--radius-card); overflow: hidden; }
.img-panel img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1199px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 991px) {
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .testimonial-grid { grid-template-columns: 1fr 1fr; }
  .split-section { grid-template-columns: 1fr; gap: 32px; }
  .split-section.reverse { direction: ltr; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 34px; }
  .hero-img-wrap { display: none; }
  .platform-hero { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cta-banner { padding: 40px 24px; }
  .cta-banner h2 { font-size: 26px; }
  .hero-stats { gap: 20px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .page-hero h1 { font-size: 30px; }
  .page-hero p { font-size: 16px; }
  .split-img img { height: 220px; }
}

@media (max-width: 575px) {
  .container { padding: 0 16px; }
  .download-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .platform-tabs { gap: 6px; }
  .hero h1 { font-size: 28px; }
  .hero-stat strong { font-size: 18px; }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-24 { margin-bottom: 24px; }
.color-brand { color: var(--brand-blue); }
.color-green { color: var(--verified-green); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* ===== IMAGE GALLERY (homepage) ===== */
.img-gallery-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template-rows: auto auto;
  gap: 16px; border-radius: var(--radius-card); overflow: hidden;
}
.img-gallery-grid .img-main { grid-row: 1/3; }
.img-gallery-grid img { width: 100%; height: 200px; object-fit: cover; display: block; border-radius: var(--radius-lg); }
.img-gallery-grid .img-main img { height: 416px; }

/* ===== SCROLL HIDE MOBILE NAV ===== */
.mobile-menu.scroll-hidden { display: none !important; }