/* ============================================================
   GlucoBell — Website Stylesheet
   Domain: glucobell.com
   Primary: #00BCD4 (Aqua/Cyan)
   ============================================================ */

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

:root {
  --primary:       #00BCD4;
  --primary-dark:  #0097A7;
  --primary-light: #B2EBF2;
  --primary-bg:    #E0F7FA;
  --accent-green:  #4CAF50;
  --accent-orange: #FF9800;
  --accent-red:    #F44336;
  --accent-blue:   #2196F3;
  --accent-purple: #9C27B0;
  --text-dark:     #1F2328;
  --text-secondary:#60646C;
  --text-light:    #8B8F96;
  --bg-white:      #FFFFFF;
  --bg-soft:       #F1F9FA;
  --border-light:  #E0F2F1;
  --shadow-sm:     0 2px 8px rgba(0,0,0,.06);
  --shadow-md:     0 4px 20px rgba(0,0,0,.08);
  --shadow-lg:     0 8px 40px rgba(0,0,0,.10);
  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     24px;
  --radius-xl:     32px;
  --font-family:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width:     1200px;
  --transition:    .3s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-family);
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-dark); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }

/* ---------- Utility ---------- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; clip: rect(0,0,0,0); overflow: hidden; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.25; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 640px;
  margin: 12px auto 0;
  line-height: 1.7;
}
.section-tag {
  display: inline-block;
  background: var(--primary-bg);
  color: var(--primary-dark);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 12px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,188,212,.35);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,188,212,.45);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-white {
  background: #fff;
  color: var(--primary-dark);
}
.btn-white:hover {
  background: var(--primary-bg);
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 22px; font-size: .9rem; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-dark);
}
.navbar-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}
.navbar-brand span {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
  border-radius: 2px;
}
.nav-links a:hover { color: var(--primary-dark); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { margin-left: 8px; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(170deg, var(--bg-white) 0%, var(--primary-bg) 50%, var(--bg-white) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,188,212,.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,188,212,.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-text h1 {
  margin-bottom: 20px;
}
.hero-text h1 .highlight {
  color: var(--primary);
}
.hero-text p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 520px;
  line-height: 1.8;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  gap: 40px;
}
.hero-stat {
  text-align: left;
}
.hero-stat .number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-dark);
}
.hero-stat .label {
  font-size: .85rem;
  color: var(--text-light);
}
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.hero-phone-mockup {
  width: 300px;
  height: 600px;
  background: var(--bg-soft);
  border-radius: 40px;
  border: 3px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero-phone-mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 37px;
}
.hero-phone-mockup .placeholder-text {
  color: var(--text-light);
  font-size: .9rem;
  text-align: center;
  padding: 20px;
}
.hero-floating-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .85rem;
  font-weight: 500;
  animation: float 3s ease-in-out infinite;
}
.hero-floating-card.card-glucose {
  top: 60px;
  right: -30px;
  animation-delay: 0s;
}
.hero-floating-card.card-ai {
  bottom: 100px;
  left: -20px;
  animation-delay: 1.5s;
}
.hero-floating-card .card-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.card-glucose .card-icon { background: #E8F5E9; }
.card-ai .card-icon { background: #F3E5F5; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- Logos / Trust Bar ---------- */
.trust-bar {
  padding: 48px 0;
  border-bottom: 1px solid var(--border-light);
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-light);
  font-size: .9rem;
  font-weight: 500;
}
.trust-item .trust-icon {
  font-size: 1.4rem;
}

/* ---------- Features Section ---------- */
.features {
  padding: 100px 0;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}
.feature-card:hover::before {
  transform: scaleX(1);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.feature-card h3 {
  margin-bottom: 10px;
  color: var(--text-dark);
}
.feature-card p {
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.65;
}

/* Feature icon colors */
.fi-glucose  { background: #E8F5E9; color: #2E7D32; }
.fi-food     { background: #FFF3E0; color: #E65100; }
.fi-medicine { background: #E3F2FD; color: #1565C0; }
.fi-bp       { background: #FCE4EC; color: #C62828; }
.fi-ai       { background: #F3E5F5; color: #6A1B9A; }
.fi-doctor   { background: #E0F7FA; color: #00838F; }
.fi-reports  { background: #FFF8E1; color: #F57F17; }
.fi-offline  { background: #E8EAF6; color: #283593; }
.fi-privacy  { background: #E0F2F1; color: #00695C; }

/* ---------- How It Works ---------- */
.how-it-works {
  padding: 100px 0;
  background: var(--bg-soft);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 56px;
}
.step-card {
  text-align: center;
  position: relative;
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 4px 16px rgba(0,188,212,.3);
}
.step-card h3 {
  margin-bottom: 8px;
}
.step-card p {
  color: var(--text-secondary);
  font-size: .9rem;
}
.step-connector {
  display: none;
}

/* ---------- Screenshots/App Preview ---------- */
.app-preview {
  padding: 100px 0;
}
.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.preview-item {
  text-align: center;
}
.preview-phone {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 9/19;
  background: var(--bg-soft);
  border: 2px solid var(--border-light);
  border-radius: 28px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.preview-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 26px;
}
.preview-phone .placeholder-text {
  color: var(--text-light);
  font-size: .8rem;
}
.preview-item h4 {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* ---------- AI Section ---------- */
.ai-section {
  padding: 100px 0;
  background: linear-gradient(170deg, var(--bg-white) 0%, #F3E5F5 40%, var(--bg-white) 100%);
}
.ai-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.ai-features-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}
.ai-feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.ai-feature-icon {
  width: 44px;
  min-width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.ai-feature-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}
.ai-feature-item p {
  font-size: .9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.ai-visual {
  display: flex;
  justify-content: center;
}
.ai-mockup {
  width: 280px;
  height: 480px;
  background: #fff;
  border-radius: 32px;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.ai-mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 30px;
}
.ai-mockup .placeholder-text {
  color: var(--text-light);
  font-size: .85rem;
  text-align: center;
  padding: 20px;
}

/* ---------- Doctor-Patient Section ---------- */
.doctor-section {
  padding: 100px 0;
  background: var(--bg-soft);
}
.doctor-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.doctor-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}
.doctor-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}
.doctor-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.doctor-card .dc-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
}
.doctor-card h4 {
  font-size: .95rem;
  margin-bottom: 6px;
}
.doctor-card p {
  font-size: .82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---------- Security Section ---------- */
.security-section {
  padding: 100px 0;
}
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}
.security-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}
.security-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.security-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary-bg);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
}
.security-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.security-card p {
  font-size: .9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Testimonials ---------- */
.testimonials {
  padding: 100px 0;
  background: var(--bg-soft);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}
.testimonial-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-sm);
}
.testimonial-stars {
  color: #FFC107;
  font-size: 1rem;
  margin-bottom: 14px;
}
.testimonial-card blockquote {
  font-size: .95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-bg);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .9rem;
}
.testimonial-info .name {
  font-weight: 600;
  font-size: .9rem;
}
.testimonial-info .role {
  font-size: .8rem;
  color: var(--text-light);
}

/* ---------- FAQ ---------- */
.faq {
  padding: 100px 0;
}
.faq-list {
  max-width: 760px;
  margin: 56px auto 0;
}
.faq-item {
  border-bottom: 1px solid var(--border-light);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary-dark); }
.faq-question .faq-icon {
  font-size: 1.3rem;
  transition: transform var(--transition);
  color: var(--primary);
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}
.faq-answer p {
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.7;
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  text-align: center;
}
.cta-section h2 {
  color: #fff;
  margin-bottom: 16px;
}
.cta-section p {
  color: rgba(255,255,255,.85);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
  background: #0A1628;
  color: rgba(255,255,255,.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand p {
  font-size: .9rem;
  line-height: 1.7;
  margin-top: 12px;
  max-width: 320px;
}
.footer h5 {
  color: #fff;
  font-size: .95rem;
  margin-bottom: 16px;
}
.footer ul li { margin-bottom: 10px; }
.footer ul li a {
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  transition: color var(--transition);
}
.footer ul li a:hover { color: var(--primary-light); }
.footer-bottom {
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p {
  font-size: .85rem;
}
.footer-social {
  display: flex;
  gap: 16px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--primary);
  color: #fff;
}

/* ---------- Legal Pages ---------- */
.legal-page {
  padding: 120px 0 80px;
}
.legal-page .legal-content {
  max-width: 800px;
  margin: 0 auto;
}
.legal-page h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
}
.legal-page .legal-updated {
  color: var(--text-light);
  font-size: .9rem;
  margin-bottom: 40px;
}
.legal-page h2 {
  font-size: 1.4rem;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--primary-dark);
}
.legal-page h3 {
  font-size: 1.15rem;
  margin-top: 28px;
  margin-bottom: 8px;
}
.legal-page p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.legal-page ul {
  margin-bottom: 16px;
  padding-left: 24px;
}
.legal-page ul li {
  list-style: disc;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.7;
}
.legal-page a {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .preview-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 24px;
    box-shadow: var(--shadow-md);
    gap: 16px;
    border-top: 1px solid var(--border-light);
  }
  .nav-cta { margin-left: 0; }

  .hero { padding: 110px 0 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-text p { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-phone-mockup { width: 240px; height: 480px; }
  .hero-floating-card { display: none; }

  .ai-inner { grid-template-columns: 1fr; }
  .ai-visual { order: -1; }
  .doctor-inner { grid-template-columns: 1fr; }
  .doctor-visual { order: -1; }

  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .preview-grid { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-stats { flex-direction: column; gap: 16px; text-align: center; }
  .preview-grid { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; align-items: center; }
}