/* ============================================================
   PickScope - Global Stylesheet
   Design: Clean, modern, content-forward review site
   ============================================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  --color-primary: #1e40af;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1e3a8a;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-bg: #f8fafc;
  --color-white: #ffffff;
  --color-border: #e2e8f0;
  --color-success: #10b981;
  --color-danger: #ef4444;

  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 4px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.1);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --max-width: 1200px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition);
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  color: var(--color-text);
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.15rem; }

p { margin-bottom: 1rem; }

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-stack);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.btn-accent:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

/* --- Navigation --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.logo:hover {
  color: var(--color-primary-dark);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--color-bg);
  color: var(--color-primary);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  background: none;
  border: none;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

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

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

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

/* --- Hero Section --- */
.hero {
  padding: 4rem 0;
  text-align: center;
  background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 50%, #ecfdf5 100%);
}

.hero-content {
  max-width: 720px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Section Common --- */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--color-text-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.bg-white {
  background: var(--color-white);
}

.bg-light {
  background: var(--color-bg);
}

/* --- Category Cards --- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}

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

.category-icon {
  width: 60px;
  height: 60px;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: 50%;
  transition: background var(--transition);
}

.category-card:hover .category-icon {
  background: #eff6ff;
}

.category-card h3 {
  font-size: 1rem;
  margin: 0;
}

.category-card span {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* --- Process Steps --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
}

.step-card {
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 1.4rem;
  font-weight: 800;
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

.step-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.step-card p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin: 0;
}

/* Connector line between steps */
.step-card:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 28px;
  right: -1rem;
  width: 2rem;
  height: 2px;
  background: var(--color-border);
}

/* --- Trust Section --- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.trust-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.trust-card:hover {
  box-shadow: var(--shadow-md);
}

.trust-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.trust-card h3 {
  margin-bottom: 0.75rem;
}

.trust-card p {
  color: var(--color-text-light);
  margin: 0;
}

/* --- Featured Product Card --- */
.featured-card {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

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

.featured-image {
  min-height: 280px;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}

.featured-info {
  padding: 2.5rem 2.5rem 2.5rem 0;
}

.featured-badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 100px;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.featured-info h3 {
  margin-bottom: 0.5rem;
}

.featured-info p {
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
}

/* Star rating */
.stars {
  display: flex;
  gap: 2px;
  color: var(--color-accent);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

/* --- Blog Preview Cards --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

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

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

.blog-card-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 50%, #ecfdf5 100%);
}

.blog-card-body {
  padding: 1.5rem;
}

.blog-card-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.blog-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.blog-card-body p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-tag {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: #eff6ff;
  color: var(--color-primary);
  border-radius: 100px;
}

.read-more {
  font-weight: 600;
  font-size: 0.9rem;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
  padding: 4rem 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* --- Footer --- */
.footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--color-white);
  margin-bottom: 1.25rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  color: #94a3b8;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
}

.footer-bottom p {
  margin: 0.25rem 0;
}

.footer-disclosure {
  font-style: italic;
  color: #64748b;
}

/* --- Page Header (inner pages) --- */
.page-header {
  background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 50%, #ecfdf5 100%);
  padding: 4rem 0 3rem;
  text-align: center;
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--color-text-light);
  font-size: 1.1rem;
}

/* --- Content Page Layout --- */
.content-section {
  padding: 4rem 0;
}

.content-body {
  max-width: 800px;
  margin: 0 auto;
}

.content-body h2 {
  margin: 2.5rem 0 1rem;
}

.content-body h3 {
  margin: 1.5rem 0 0.75rem;
}

.content-body ul,
.content-body ol {
  margin: 0 0 1.5rem 1.5rem;
  list-style: disc;
}

.content-body ol {
  list-style: decimal;
}

.content-body li {
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.showcase-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 1.5rem;
  margin: 2rem 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.showcase-copy {
  flex: 1;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #dbeafe;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.showcase-copy h2 {
  color: var(--color-white);
  font-size: clamp(1.4rem, 2vw, 2rem);
  margin: 0;
}

.showcase-actions {
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.75rem 0;
}

.article-gallery img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info h2 {
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #eff6ff;
  border-radius: 50%;
  font-size: 1.2rem;
}

.contact-item h4 {
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
}

.contact-item span {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: var(--font-stack);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-error {
  color: var(--color-danger);
  font-size: 0.85rem;
  margin-top: 0.25rem;
  display: none;
}

.form-success {
  display: none;
  padding: 1rem;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-sm);
  color: #065f46;
  margin-bottom: 1.5rem;
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.stat-item p {
  color: var(--color-text-light);
  margin: 0;
}

/* --- Comparison Table --- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.comparison-table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
}

.comparison-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table tr:nth-child(even) td {
  background: var(--color-bg);
}

.comparison-table tr:hover td {
  background: #eff6ff;
}

/* --- Pros/Cons --- */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.pros, .cons {
  padding: 1.5rem;
  border-radius: var(--radius-md);
}

.pros {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}

.cons {
  background: #fef2f2;
  border: 1px solid #fecaca;
}

.pros h4, .cons h4 {
  margin-bottom: 0.75rem;
}

.pros ul, .cons ul {
  margin: 0 0 0 1.25rem;
  list-style: none;
}

.pros li::before {
  content: '✓ ';
  color: var(--color-success);
  font-weight: 700;
}

.cons li::before {
  content: '✗ ';
  color: var(--color-danger);
  font-weight: 700;
}

/* --- Product Card (blog posts) --- */
.product-highlight {
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 2rem 0;
  text-align: center;
}

.product-highlight .stars {
  justify-content: center;
}

.product-highlight .price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0.5rem 0;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-primary-light);
}

.breadcrumb .sep {
  color: var(--color-border);
}

/* --- Blog Sidebar (optional, for blog listing) --- */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .featured-card {
    grid-template-columns: 1fr;
  }

  .featured-image {
    min-height: 200px;
  }

  .featured-info {
    padding: 0 1.5rem 2rem;
  }

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

  .process-steps {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .step-card:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .showcase-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .showcase-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    width: 100%;
    padding: 0.75rem 1rem;
  }

  .hero {
    padding: 3rem 0;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section {
    padding: 3rem 0;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .article-gallery {
    grid-template-columns: 1fr;
  }

  .pros-cons {
    grid-template-columns: 1fr;
  }

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

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .category-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .category-card {
    padding: 1.25rem 0.75rem;
  }

  .category-icon {
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-lg {
    width: 100%;
    max-width: 300px;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }
}