/* ==========================================================================
   SeferLog - Modern Light Theme & Admin Design System
   ========================================================================== */

:root {
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-alt: #f1f5f9;
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  --border-glow: rgba(37, 99, 235, 0.25);
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-glow: rgba(37, 99, 235, 0.15);
  
  --accent: #10b981;
  --accent-hover: #059669;
  --accent-light: #ecfdf5;
  --accent-purple: #7c3aed;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 30px -4px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.12);
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

.gradient-text {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-accent {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-accent {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-danger {
  background: #ef4444;
  color: #ffffff;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.75rem 1.4rem;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.btn-store:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-store svg {
  width: 28px;
  height: 28px;
  fill: var(--text-main);
}

.btn-store .store-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.1;
}

.btn-store .store-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-store .store-title {
  font-size: 1.05rem;
  font-weight: 700;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: var(--transition);
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header.scrolled {
  padding: 0.8rem 0;
  background: rgba(255, 255, 255, 0.98);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

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

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 9.5rem 0 4.5rem;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 50% 0%, #eff6ff 0%, #f8fafc 70%);
}

.hero-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 450px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, rgba(16, 185, 129, 0.04) 60%, rgba(0,0,0,0) 80%);
  filter: blur(60px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 850px;
  margin: 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  background: var(--primary-light);
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.3rem;
  letter-spacing: -1.2px;
  margin-bottom: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-weight: 400;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-preview {
  position: relative;
  margin-top: 2rem;
  border-radius: var(--radius-xl);
  padding: 12px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.dashboard-mockup {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.mockup-dots {
  display: flex;
  gap: 8px;
}

.mockup-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
}

.mockup-card {
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  text-align: left;
}

.mockup-card-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 0.4rem;
}

.mockup-card-sub {
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 0.2rem;
  font-weight: 600;
}

/* Section Cards & Features */
.features {
  padding: 5.5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: 2.3rem;
  margin-bottom: 0.8rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.8rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.4rem;
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 0.7rem;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Customer Reviews / Testimonials Section */
.reviews-section {
  padding: 5.5rem 0;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.8rem;
  margin-bottom: 2.5rem;
}

.review-card {
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.review-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}

.review-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.review-text {
  color: var(--text-muted);
  font-size: 0.98rem;
  font-style: italic;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  border: 1px solid var(--border-color);
}

.author-info h4 {
  font-size: 1rem;
  margin-bottom: 0.1rem;
}

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

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.show {
  display: flex;
}

.modal-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  max-width: 540px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-dim);
  cursor: pointer;
}

.form-group {
  margin-bottom: 1.2rem;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-body);
  color: var(--text-main);
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Admin Dashboard Layout */
.admin-wrapper {
  padding-top: 6.5rem;
  min-height: 85vh;
}

.admin-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
  overflow-x: auto;
}

.admin-tab {
  padding: 0.8rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.admin-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.stat-card-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.stat-card-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
}

.admin-table-container {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.admin-table th {
  background: var(--bg-body);
  padding: 1rem 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
}

.admin-table td {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}

.status-badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 12px;
}

.status-approved {
  background: var(--accent-light);
  color: var(--accent-hover);
}

.status-pending {
  background: #fef3c7;
  color: #d97706;
}

/* FAQ Accordion */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  padding: 1.4rem 1.8rem;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-question svg {
  transition: transform 0.3s ease;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--text-muted);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.8rem;
  color: var(--text-muted);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.8rem 1.4rem;
}

/* Legal Box */
.page-wrapper {
  padding: 7.5rem 0 4.5rem;
  min-height: 80vh;
}

.legal-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.legal-title {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.legal-meta {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.legal-content h2 {
  font-size: 1.4rem;
  margin: 2rem 0 1rem;
  color: var(--primary);
}

.legal-content p, .legal-content ul {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.legal-content ul {
  padding-left: 1.5rem;
}

/* Contact Cards */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-card {
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  padding: 1.8rem;
  border-radius: var(--radius-md);
  text-align: center;
}

.contact-card-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  background: #ffffff;
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 1rem;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 1.2rem;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-dim);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-title { font-size: 2.6rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-links.show { display: flex; }
  .hero-title { font-size: 2.1rem; }
  .hero-subtitle { font-size: 1.05rem; }
  .legal-box { padding: 1.8rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}