/* Modern SaaS Design System for Shiroine */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary-color: #06b6d4;
  --primary-hover: #0891b2;
  --secondary-color: #8b5cf6;
  --secondary-hover: #7c3aed;
  --bg-main: #0b0f19;
  --bg-darker: #070a12;
  --bg-card: #131a2e;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(6, 182, 212, 0.2);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --success-color: #10b981;
  --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.25);
  --shadow-glow-lg: 0 0 45px rgba(6, 182, 212, 0.4);
  --shadow-purple: 0 0 25px rgba(139, 92, 246, 0.25);
  --font-sans: 'Outfit', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Typography & Layout Utility */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

.section-title-wrapper {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--primary-color);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Glowing text gradients */
.text-gradient-cyan {
  background: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #c084fc 0%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation Menu */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 10, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(7, 10, 18, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.nav-brand i {
  color: var(--primary-color);
  text-shadow: var(--shadow-glow);
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
  font-size: 0.95rem;
}

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

.nav-menu a.active {
  color: var(--primary-color);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 1010;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-lg);
  opacity: 0.95;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary-color);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--bg-darker);
  box-shadow: var(--shadow-glow);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
  border-radius: 8px;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 180px 0 100px;
  background: radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
              var(--bg-main);
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 10%;
  right: 15%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.hero-tag i {
  color: var(--primary-color);
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
}

/* Custom SVG Dashboard Mockup */
.mockup-container {
  width: 100%;
  max-width: 480px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5), var(--shadow-glow);
  position: relative;
  overflow: hidden;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-color);
}
.mockup-dot:nth-child(1) { background: #ef4444; }
.mockup-dot:nth-child(2) { background: #eab308; }
.mockup-dot:nth-child(3) { background: #22c55e; }

.mockup-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.mockup-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mockup-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 10px;
}

.mockup-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-text {
  flex: 1;
}

.mockup-line-1 {
  height: 12px;
  width: 70%;
  background: var(--text-secondary);
  border-radius: 4px;
  margin-bottom: 6px;
}

.mockup-line-2 {
  height: 8px;
  width: 40%;
  background: var(--text-muted);
  border-radius: 4px;
}

.mockup-badge {
  padding: 4px 8px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(6, 182, 212, 0.08);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-box {
  background: var(--primary-color);
  color: var(--bg-darker);
  box-shadow: var(--shadow-glow);
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Pricing Section */
.pricing {
  background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-darker) 100%);
}

.pricing-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
}

.pricing-tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 24px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.pricing-tab-btn.active {
  background: var(--primary-color);
  color: var(--bg-darker);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-glow);
}

.pricing-container {
  display: none;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-container.active {
  display: grid;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border: 2px solid var(--primary-color);
  box-shadow: var(--shadow-glow);
}

.popular-tag {
  position: absolute;
  top: -15px;
  right: 30px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #ffffff;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-purple);
}

.pricing-card.featured:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-glow-lg);
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.plan-price-wrapper {
  display: flex;
  align-items: baseline;
  margin-bottom: 28px;
}

.plan-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-right: 4px;
}

.plan-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.plan-period {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-left: 8px;
}

.plan-features-list {
  list-style: none;
  margin-bottom: 40px;
  flex: 1;
}

.plan-features-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.plan-features-list li i {
  color: var(--primary-color);
  font-size: 1.1rem;
}

.plan-features-list li.disabled {
  color: var(--text-muted);
}

.plan-features-list li.disabled i {
  color: var(--text-muted);
}

.pricing-card .btn {
  width: 100%;
}

/* FAQ Section (HTML Accordion using Details/Summary) */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

details {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
}

details[open] {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-glow);
}

summary {
  list-style: none;
  padding: 24px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

details[open] summary::after {
  transform: rotate(180deg);
  color: var(--primary-color);
}

.faq-content {
  padding: 0 24px 24px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  border-top: 1px solid transparent;
}

details[open] .faq-content {
  border-top-color: var(--border-color);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: start;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 16px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(6, 182, 212, 0.08);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.contact-info-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.contact-info-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.contact-info-link:hover {
  color: var(--primary-hover);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: var(--shadow-glow);
}

.contact-form .btn {
  width: 100%;
}

/* Footer Section */
.footer {
  background-color: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand-section p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 16px;
  max-width: 320px;
}

.footer-section h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  text-decoration: none;
  color: var(--text-muted);
  transition: var(--transition);
}

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

/* Legal Pages Styling (Privacy, Terms) */
.legal-page {
  padding-top: 140px;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 48px;
}

.legal-content h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.legal-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.legal-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--primary-color);
}

.legal-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.legal-content ul {
  list-style: square;
  margin-left: 24px;
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.legal-content ul li {
  margin-bottom: 8px;
}

/* Checkout Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  background: rgba(7, 10, 18, 0.85);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-card {
  width: 100%;
  max-width: 480px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--shadow-glow-lg);
  overflow: hidden;
  position: relative;
  animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  padding: 24px 30px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--primary-color);
}

.modal-body {
  padding: 30px;
}

#checkoutDetailsBox {
  background: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

#checkoutDetailsBox h4 {
  font-size: 1.15rem;
  color: var(--primary-color);
  margin-bottom: 6px;
}

#checkoutDetailsBox .price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
}

/* Callback status display (success, pending, error) */
.status-page-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.status-card {
  max-width: 500px;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.status-icon {
  font-size: 4.5rem;
  margin-bottom: 24px;
}

.status-icon.success { color: var(--success-color); }
.status-icon.pending { color: #eab308; }
.status-icon.error { color: #ef4444; }

.status-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.status-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.status-details-list {
  background: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  text-align: left;
  margin-bottom: 32px;
}

.status-details-list p {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.status-details-list p:last-child {
  margin-bottom: 0;
}

.status-details-list p strong {
  color: var(--text-primary);
}

/* Responsive Media Queries */
@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-main);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    transition: var(--transition);
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
}