/*
Theme Name: MXH1UP Theme - Light
Description: Light version of MXH1UP theme
Version: 1.0.0
*/

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&display=swap');

:root {
  --primary-color: #6366f1;
  --primary-light: #e0e7ff;
  --primary-dark: #4f46e5;
  --secondary-color: #8b5cf6;
  --primary-600: #6366f1;
  --primary-500: #818cf8;
  --primary-400: #a5b4fc;
  --primary-300: #c7d2fe;
  --green-500: #22c55e;
  --green-50: #f0fdf4;
  --red-500: #ef4444;
  --red-50: #fef2f2;
  --yellow-500: #eab308;
  --blue-400: #60a5fa;
  --blue-50: #eff6ff;
  --purple-400: #c084fc;
  --pink-400: #f472b6;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --dark-900: #ffffff;
  --dark-800: #ffffff;
  --dark-700: #e5e7eb;
  --dark-600: #d1d5db;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Be Vietnam Pro', 'Segoe UI', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  background-color: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary-600); }

img { max-width: 100%; height: auto; }
button { cursor: pointer; font-family: inherit; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Navigation */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo img {
  width: 32px;
  height: 32px;
  border-radius: 0.5rem;
}

.nav-logo span {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--gray-900);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}

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

.nav-link {
  color: var(--gray-600);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover { color: var(--primary-600); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.desktop-only { display: none; }

@media (min-width: 768px) {
  .desktop-only { display: flex; }
}

.nav-btn-login {
  color: var(--gray-600);
  font-size: 0.875rem;
  font-weight: 500;
}

.nav-btn-register {
  background: var(--primary-600);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.2s;
}

.nav-btn-register:hover {
  background: var(--primary-500);
  color: white;
}

main { padding-top: 64px; }

/* Footer */
.site-footer {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
  padding: 3rem 0;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
}

.footer-section h4 {
  color: var(--gray-900);
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-section li { color: var(--gray-500); font-size: 0.875rem; }
.footer-section li a:hover { color: var(--primary-600); }

.footer-bottom {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
  text-align: center;
  color: var(--gray-400);
  font-size: 0.875rem;
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 4rem 1rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.08), var(--gray-50) 50%, rgba(139,92,246,0.08));
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: rgba(99, 102, 241, 0.12);
  border-radius: 9999px;
  filter: blur(80px);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
}

.hero-logo {
  width: 5rem;
  height: 5rem;
  margin: 0 auto 2rem;
  border-radius: 1rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .hero h1 { font-size: 3.5rem; }
}

.hero h1 span { color: var(--primary-600); }

.hero p {
  font-size: 1.125rem;
  color: var(--gray-500);
  margin-bottom: 2.5rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-600);
  color: white;
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
  background: var(--primary-500);
  color: white;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-600);
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  font-size: 1.125rem;
  font-weight: 500;
  transition: color 0.2s;
}

.btn-secondary:hover { color: var(--primary-600); }

.hero-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--gray-400);
}

/* Sections */
.section { padding: 5rem 1rem; }

.section-dark {
  background: var(--gray-100);
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--gray-500);
  text-align: center;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .section-title { font-size: 2.25rem; }
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.card h3 { color: var(--gray-900); font-weight: 600; margin-bottom: 0.5rem; }
.card p { color: var(--gray-500); font-size: 0.875rem; }

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  text-align: left;
}

@media (min-width: 768px) {
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 1rem;
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.pricing-card.popular {
  border-color: var(--primary-500);
  box-shadow: var(--shadow-xl), 0 0 0 2px rgba(99, 102, 241, 0.2);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-600);
  color: white;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}

.pricing-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.pricing-desc {
  color: var(--gray-500);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.pricing-price { margin-bottom: 1.5rem; }

.pricing-price .amount {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.pricing-price .period { color: var(--gray-400); }

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-600);
  font-size: 0.875rem;
}

.pricing-features li svg { color: var(--green-500); flex-shrink: 0; }

.btn-outline {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--gray-100);
  color: var(--gray-700);
  padding: 0.75rem;
  border-radius: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--gray-200);
  transition: all 0.2s;
}

.btn-outline:hover {
  background: var(--primary-50);
  border-color: var(--primary-300);
  color: var(--primary-600);
}

.btn-primary-full {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--primary-600);
  color: white;
  padding: 0.75rem;
  border-radius: 0.75rem;
  font-weight: 500;
  transition: background 0.2s;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
}

.btn-primary-full:hover {
  background: var(--primary-500);
  color: white;
}

/* Platform Icons */
.platform-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: 2.5rem;
}

.platform-item { text-align: center; }

.platform-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.5rem;
}

.platform-icon svg { width: 2rem; height: 2rem; }

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .testimonial-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.testimonial-text {
  color: var(--gray-600);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  background: var(--primary-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--primary-600);
  font-size: 0.875rem;
}

.testimonial-name {
  font-weight: 600;
  color: var(--gray-800);
  font-size: 0.875rem;
}

.testimonial-role {
  color: var(--gray-400);
  font-size: 0.75rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-color));
  padding: 5rem 1rem;
  text-align: center;
  border-radius: 1.5rem;
  margin: 0 1rem;
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .cta-section h2 { font-size: 2.5rem; }
}

.cta-section p {
  color: rgba(255,255,255,0.85);
  font-size: 1.125rem;
  margin-bottom: 2rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn-primary {
  background: white;
  color: var(--primary-600);
  font-size: 1rem;
}

.cta-section .btn-primary:hover {
  background: var(--gray-100);
  color: var(--primary-600);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .faq-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Auth Pages */
.auth-container {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1rem;
}

.auth-card {
  width: 100%;
  max-width: 28rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
}

.auth-logo {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.5rem;
  border-radius: 1rem;
}

.auth-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: 0.5rem;
}

.auth-card .auth-subtitle {
  text-align: center;
  color: var(--gray-500);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.auth-tabs {
  display: flex;
  background: var(--gray-100);
  border-radius: 0.75rem;
  padding: 0.25rem;
  margin-bottom: 2rem;
}

.auth-tab {
  flex: 1;
  padding: 0.75rem;
  text-align: center;
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--gray-500);
}

.auth-tab.active {
  background: var(--white);
  color: var(--gray-900);
  box-shadow: var(--shadow-sm);
}

.auth-form { display: none; }
.auth-form.active { display: block; }

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 0.75rem;
  color: var(--gray-800);
  font-size: 0.875rem;
  transition: border-color 0.2s;
}

.form-input::placeholder { color: var(--gray-400); }
.form-input:focus {
  outline: none;
  border-color: var(--primary-500);
  background: var(--white);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--gray-500);
}

.form-checkbox input {
  margin-top: 0.25rem;
  width: 1rem;
  height: 1rem;
  border-radius: 0.25rem;
  accent-color: var(--primary-600);
}

.form-error {
  background: var(--red-50);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.form-error p { color: var(--red-500); font-size: 0.875rem; text-align: center; }

.form-success {
  background: var(--green-50);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.form-success p { color: var(--green-500); font-size: 0.875rem; text-align: center; }

.form-footer {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--gray-500);
  font-size: 0.875rem;
}

.form-footer a { color: var(--primary-600); font-weight: 500; }
.form-footer a:hover { color: var(--primary-500); }

.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 1rem;
  height: 1rem;
  border: 2px solid transparent;
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Page Headers */
.page-header {
  background: linear-gradient(135deg, rgba(99,102,241,0.06), var(--gray-50));
  border-bottom: 1px solid var(--gray-200);
  padding: 5rem 1rem 3rem;
  text-align: center;
}

.page-header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--gray-500);
  font-size: 1.125rem;
}

/* Content Pages */
.content-page {
  max-width: 48rem;
  margin: 0 auto;
  padding: 3rem 1rem;
}

.content-page h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.content-page h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.content-page p { color: var(--gray-600); margin-bottom: 1rem; line-height: 1.8; }
.content-page ul, .content-page ol { color: var(--gray-600); margin-bottom: 1rem; padding-left: 1.5rem; }
.content-page li { margin-bottom: 0.5rem; }
.content-page strong { color: var(--gray-800); }

.content-page .highlight-box {
  background: rgba(234, 179, 8, 0.08);
  border: 1px solid rgba(234, 179, 8, 0.3);
  border-radius: 0.75rem;
  padding: 1rem;
  margin: 1.5rem 0;
}

.content-page .highlight-box p { color: #a16207; margin: 0; }

/* Alert Boxes */
.alert {
  border-radius: 0.75rem;
  padding: 1rem;
  margin: 1rem 0;
}

.alert-warning {
  background: rgba(234, 179, 8, 0.08);
  border: 1px solid rgba(234, 179, 8, 0.3);
}

.alert-warning svg { color: var(--yellow-500); }

.alert-error {
  background: var(--red-50);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.alert-success {
  background: var(--green-50);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.alert-info {
  background: var(--blue-50);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Steps */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.step-item { display: flex; gap: 1rem; }

.step-number {
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  background: var(--primary-100);
  color: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content h3 { color: var(--gray-800); font-weight: 600; margin-bottom: 0.5rem; }
.step-content p { color: var(--gray-500); font-size: 0.875rem; }

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--gray-800);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.faq-question:hover { color: var(--primary-600); }

.faq-icon { transition: transform 0.2s; }
.faq-item.open .faq-icon { transform: rotate(180deg); }

.faq-answer {
  display: none;
  padding: 0 1.5rem 1rem;
  color: var(--gray-500);
}

.faq-item.open .faq-answer { display: block; }

/* Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .dashboard-grid { grid-template-columns: 2fr 1fr; }
}

.dashboard-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.dashboard-card h3 {
  color: var(--gray-900);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

/* Download Page */
.download-hero {
  text-align: center;
  padding: 5rem 1rem;
}

.download-icon {
  width: 6rem;
  height: 6rem;
  background: var(--primary-50);
  border-radius: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}

.download-icon svg {
  width: 3rem;
  height: 3rem;
  color: var(--primary-500);
}

.download-hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.download-hero p { color: var(--gray-500); font-size: 1.125rem; margin-bottom: 3rem; }

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--primary-600);
  color: white;
  padding: 1.25rem 2.5rem;
  border-radius: 1rem;
  font-size: 1.25rem;
  font-weight: 600;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}

.download-btn:hover {
  background: var(--primary-500);
  color: white;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
  transform: translateY(-1px);
}

.download-version { color: var(--gray-400); font-size: 0.875rem; margin-top: 1rem; }

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--gray-100);
}

.contact-item:last-child { border-bottom: none; }

.contact-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg { width: 1.25rem; height: 1.25rem; }

.contact-info small { color: var(--gray-400); font-size: 0.75rem; }
.contact-info p { color: var(--gray-600); margin-top: 0.25rem; }

/* Toast */
.toast {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  background: var(--green-500);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-white { color: white; }
.text-gray-400 { color: var(--gray-400); }
.text-primary { color: var(--primary-500); }
.text-green { color: var(--green-500); }
.text-red { color: var(--red-500); }
.text-yellow { color: var(--yellow-500); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.hidden { display: none; }
.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-4xl { max-width: 56rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.border { border-width: 1px; }
.border-dark { border-color: var(--gray-200); }
.bg-dark { background: var(--white); }
.bg-dark-700 { background: var(--gray-100); }
.tracking-wider { letter-spacing: 0.05em; }
.font-mono { font-family: 'Courier New', monospace; }
.break-all { word-break: break-all; }

/* Mobile menu */
.mobile-menu-toggle {
  display: flex;
  background: none;
  border: none;
  color: var(--gray-700);
  padding: 0.5rem;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

@media (min-width: 768px) {
  .mobile-menu-toggle { display: none; }
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 0.5rem 0;
  z-index: 9998;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav.open { display: block; }

.mobile-nav a {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100);
  font-size: 1rem;
  touch-action: manipulation;
}

.mobile-nav a:active {
  background: var(--gray-50);
  color: var(--primary-600);
}

/* Purchase/Checkout Page */
.purchase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .purchase-grid { grid-template-columns: 1fr 1fr; }
}

.order-summary {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 80px;
}

.order-summary h3 {
  color: var(--gray-900);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.order-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.875rem;
}

.order-item:last-child { border-bottom: none; }
.order-item .label { color: var(--gray-500); }
.order-item .value { color: var(--gray-800); font-weight: 500; }

.order-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  margin-top: 0.5rem;
  border-top: 2px solid var(--gray-200);
  font-size: 1rem;
  font-weight: 600;
}

.order-total .label { color: var(--gray-800); }
.order-total .value { color: var(--primary-600); font-size: 1.25rem; }

/* Loading state */
.loading-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}