/* ============================================
   VetCare Pro — Landing Page Styles
   ============================================ */

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

:root {
  --primary: #00897B;
  --primary-dark: #00695C;
  --primary-light: #B2DFDB;
  --secondary: #1565C0;
  --secondary-dark: #0D47A1;
  --accent: #FF6F00;
  --text: #1a1a2e;
  --text-light: #555;
  --text-muted: #888;
  --bg: #ffffff;
  --bg-alt: #f8fafb;
  --bg-dark: #0f1923;
  --border: #e5e7eb;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }
img { max-width: 100%; display: block; }

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

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text);
}

.nav-logo strong {
  font-weight: 800;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: white;
  border-radius: 10px;
  font-size: 1.4rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 137, 123, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-1px);
}

.btn-nav {
  background: var(--primary);
  color: white !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
}

.btn-nav:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: 140px 0 100px;
  background: linear-gradient(135deg, #e0f2f1 0%, #e3f2fd 50%, #f3e5f5 100%);
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Hero Mockup */
.hero-mockup {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.mockup-header {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: #f5f5f5;
  border-bottom: 1px solid var(--border);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
}

.mockup-dot:first-child { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }

.mockup-body {
  display: flex;
  min-height: 300px;
}

.mockup-sidebar {
  width: 60px;
  background: var(--bg-dark);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup-nav-item {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
}

.mockup-nav-item.active {
  background: var(--primary);
}

.mockup-content {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mockup-card {
  height: 50px;
  background: linear-gradient(135deg, var(--primary-light), #bbdefb);
  border-radius: var(--radius-sm);
}

.mockup-card.small {
  height: 70px;
  flex: 1;
}

.mockup-card-row {
  display: flex;
  gap: 12px;
}

.mockup-table {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mockup-row {
  height: 20px;
  background: #f0f0f0;
  border-radius: 4px;
}

.mockup-row:nth-child(2) { width: 85%; }
.mockup-row:nth-child(3) { width: 70%; }

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  line-height: 0;
}

.hero-wave svg {
  width: 100%;
  height: 80px;
}

/* --- Sections --- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* --- Problems --- */
.problems {
  background: var(--bg);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.problem-card {
  padding: 32px 24px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.problem-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: #fce4ec;
  color: #c62828;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* --- Features --- */
.features {
  background: var(--bg-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px 24px;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.feature-icon.reception { background: #e0f2f1; color: #00695C; }
.feature-icon.vet { background: #e3f2fd; color: #1565C0; }
.feature-icon.inpatient { background: #fce4ec; color: #c62828; }
.feature-icon.lab { background: #fff3e0; color: #e65100; }
.feature-icon.pharmacy { background: #f3e5f5; color: #7b1fa2; }
.feature-icon.customer { background: #e8f5e9; color: #2e7d32; }
.feature-icon.owner { background: #fff8e1; color: #f57f17; }
.feature-icon.admin { background: #eceff1; color: #37474f; }

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.feature-list li {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* --- How It Works --- */
.how-it-works {
  background: var(--bg);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  padding: 0 24px;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

.step-connector {
  width: 80px;
  height: 2px;
  background: var(--primary-light);
  margin-top: 32px;
  flex-shrink: 0;
}

/* --- Screenshots --- */
.screenshots {
  background: var(--bg-alt);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.screenshot-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.screenshot-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.screenshot-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 260px;
  background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  overflow: hidden;
}

.screenshot-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.app-showcase-card {
  text-decoration: none;
  display: block;
  cursor: pointer;
}

.app-showcase-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 260px;
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
}
.app-showcase-placeholder svg { opacity: 0.9; }
.app-showcase-placeholder span { opacity: 0.85; font-size: 0.85rem; }

.reception-bg { background: linear-gradient(135deg, #00897B 0%, #00695C 100%); }
.vet-bg { background: linear-gradient(135deg, #1565C0 0%, #0D47A1 100%); }
.lab-bg { background: linear-gradient(135deg, #E65100 0%, #BF360C 100%); }
.pharmacy-bg { background: linear-gradient(135deg, #7B1FA2 0%, #4A148C 100%); }
.customer-bg { background: linear-gradient(135deg, #2E7D32 0%, #1B5E20 100%); }
.owner-bg { background: linear-gradient(135deg, #F57F17 0%, #E65100 100%); }
.admin-bg { background: linear-gradient(135deg, #546E7A 0%, #37474F 100%); }
.super-admin-bg { background: linear-gradient(135deg, #263238 0%, #1a1a2e 100%); }

.showcase-arrow {
  margin-left: auto;
  color: var(--primary);
  font-weight: 700;
  transition: var(--transition);
}
.app-showcase-card:hover .showcase-arrow { margin-right: -4px; }

.screenshot-label {
  padding: 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  text-align: center;
}

/* --- Benefits --- */
.benefits {
  background: var(--bg);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit {
  display: flex;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.benefit:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.benefit-icon {
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 2px;
}

.benefit h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.benefit p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* --- Pricing --- */
.pricing {
  background: var(--bg-alt);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: white;
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 2px solid var(--border);
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-header {
  text-align: center;
  margin-bottom: 32px;
}

.pricing-header h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.price-currency {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.price-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-light);
}

.pricing-features svg {
  flex-shrink: 0;
  color: var(--primary);
}

/* --- Testimonials --- */
.testimonials {
  background: var(--bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
}

.testimonial-quote {
  position: relative;
  margin-bottom: 24px;
}

.testimonial-quote svg {
  position: absolute;
  top: -8px;
  left: -4px;
  color: var(--primary);
}

.testimonial-quote p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
  font-style: italic;
  padding-top: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- FAQ --- */
.faq {
  background: var(--bg-alt);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  background: white;
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer p {
  padding: 0 24px 18px;
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* --- Contact --- */
.contact {
  background: var(--bg);
  padding-bottom: 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 60px;
  border: 1px solid var(--border);
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.contact-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.contact-item a {
  color: var(--text-light);
  transition: color var(--transition);
}

.contact-item a:hover {
  color: var(--primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select {
  padding: 12px 16px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: white;
  color: var(--text);
  font-family: inherit;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 137, 123, 0.1);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* --- Footer --- */
.footer {
  background: var(--bg-dark);
  color: #ccc;
  padding: 60px 0 0;
  margin-top: 100px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .nav-logo {
  color: white;
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background: var(--primary);
}

.footer-brand p {
  font-size: 0.88rem;
  color: #999;
  line-height: 1.6;
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: #999;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary);
  color: white;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: #999;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.82rem;
  color: #666;
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.6rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .problems-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: white;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .nav-links.active { display: flex; }

  .hero { padding: 120px 0 80px; }
  .hero-container { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 2.2rem; }
  .hero-visual { order: -1; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }

  .section { padding: 60px 0; }
  .section-header h2 { font-size: 1.7rem; }
  .section-header { margin-bottom: 40px; }

  .problems-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }

  .steps { flex-direction: column; align-items: center; gap: 16px; }
  .step-connector { width: 2px; height: 40px; }
  .step { padding: 0 16px; }

  .screenshot-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .testimonials-grid { grid-template-columns: 1fr; }

  .contact-wrapper {
    grid-template-columns: 1fr;
    padding: 32px;
    gap: 40px;
  }

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

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 1.8rem; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .stat-divider { display: none; }
  .pricing-card { padding: 32px 24px; }
  .contact-wrapper { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
}