/* ============================================================================
   TapReview Professional Design System
   ============================================================================ */

:root {
  /* Brand & Primary Colors */
  --color-primary: #0066cc;
  --color-primary-hover: #0052a3;
  --color-primary-light: #f0f4f8;

  /* Text Colors */
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;

  /* Background Colors */
  --color-bg-page: #fafafa;
  --color-bg-surface: #ffffff;
  --color-bg-elevated: #f9f9f9;

  /* Semantic Colors */
  --color-success: #28a745;
  --color-success-light: #d4edda;
  --color-error: #dc3545;
  --color-error-light: #f8d7da;
  --color-warning: #ffc107;
  --color-info: #17a2b8;
  --color-nfc: #00aa44;

  /* Borders & Shadows */
  --color-border: #e0e0e0;
  --color-border-light: #f0f0f0;
  --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 24px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.15);

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Transitions */
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-page);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, var(--font-size-5xl));
  color: var(--color-text-primary);
}

h2 {
  font-size: clamp(1.5rem, 4vw, var(--font-size-3xl));
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
}

h4 {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

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

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

small {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

code {
  background-color: var(--color-bg-elevated);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: var(--font-size-sm);
}

/* Header & Navigation */
.site-header {
  background-color: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--spacing-lg) var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.brand {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  transition: var(--transition-fast);
}

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

nav {
  display: flex;
  gap: var(--spacing-2xl);
  align-items: center;
}

nav a {
  font-weight: 500;
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
  transition: var(--transition-fast);
}

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

.nav-cta {
  background-color: var(--color-primary);
  color: white !important;
  padding: var(--spacing-sm) var(--spacing-lg) !important;
  border-radius: 6px;
  font-weight: 600;
}

.nav-cta:hover {
  background-color: var(--color-primary-hover);
  color: white !important;
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: none;
  border-radius: 8px;
  font-size: var(--font-size-2xl);
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-primary);
  flex-shrink: 0;
}

/* Container & Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

main {
  min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-bg-page) 0%, var(--color-bg-surface) 100%);
  padding: var(--spacing-4xl) var(--spacing-xl);
  margin-bottom: var(--spacing-4xl);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.15;
  color: var(--color-text-primary);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

/* Hero Visual - Real product photo */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-bg-elevated));
  border-radius: 16px;
  padding: var(--spacing-lg);
  min-height: 400px;
}

.hero-product-image {
  width: 78%;
  max-width: 480px;
  height: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.18));
}

/* Buttons */
.button {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-primary);
  color: white;
  font-weight: 600;
  font-size: var(--font-size-base);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  text-align: center;
}

.button:hover {
  background-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0);
}

.button-secondary {
  background-color: var(--color-bg-elevated);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.button-secondary:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-hover);
  color: var(--color-primary-hover);
}

.button-full {
  display: block;
  width: 100%;
}

/* Sections */
.section {
  padding: var(--spacing-4xl) var(--spacing-xl);
}

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

.section-centered {
  text-align: center;
}

.section-intro {
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
}

/* Grid & Layout */
.grid {
  display: grid;
  gap: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Cards */
.card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 0;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

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

.card-visual {
  position: relative;
  background: #f7f7f5;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.product-image {
  width: 100%;
  max-width: 320px;
  height: auto;
  object-fit: contain;
  display: block;
}

.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-content-inner {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card h3 {
  font-size: var(--font-size-xl);
  margin: 0 0 var(--spacing-sm);
  color: var(--color-text-primary);
  font-weight: 700;
}

.card-content-inner > .card-badges {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0 0 var(--spacing-md);
  flex: 1;
  line-height: 1.6;
}

.card-price {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--spacing-md) 0;
}

.card-action {
  margin-top: auto;
  padding-top: var(--spacing-md);
}

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin: 0;
}

.badge {
  display: inline-block;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

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

.badge-custom {
  background-color: #ffe6f0;
  color: #e83e8c;
}

.badge-warning {
  background-color: #fff2d9;
  color: #8a5a00;
}

/* Forms */
form {
  display: grid;
  gap: var(--spacing-lg);
  max-width: 680px;
}

label {
  display: block;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

input,
select,
textarea {
  width: 100%;
  padding: var(--spacing-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background-color: var(--color-bg-surface);
  transition: var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Visible keyboard focus everywhere on the public site */
a:focus-visible,
button:focus-visible,
.button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group {
  display: grid;
  gap: var(--spacing-md);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.checkbox,
.radio {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-weight: 400;
}

.checkbox input,
.radio input {
  width: auto;
  cursor: pointer;
}

/* Flash Messages */
.flash {
  padding: var(--spacing-lg);
  border-radius: 8px;
  margin-bottom: var(--spacing-xl);
  border-left: 4px solid transparent;
  animation: slideIn 0.3s ease;
}

.flash.success {
  background-color: var(--color-success-light);
  color: var(--color-success);
  border-left-color: var(--color-success);
}

.flash.error,
.flash.danger {
  background-color: var(--color-error-light);
  color: var(--color-error);
  border-left-color: var(--color-error);
}

.flash.info {
  background-color: #d1ecf1;
  color: var(--color-info);
  border-left-color: var(--color-info);
}

/* Error Messages */
small.error {
  display: block;
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: 4px;
}

/* Footer */
footer {
  background-color: var(--color-text-primary);
  color: white;
  padding: var(--spacing-4xl) var(--spacing-xl) var(--spacing-2xl);
  margin-top: var(--spacing-4xl);
}

footer .container {
  max-width: 1200px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-section {
  min-width: 0;
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
  color: white;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-contact a {
  display: inline-block;
  max-width: 100%;
  word-break: normal;
  overflow-wrap: normal;
  white-space: nowrap;
}

/* Email addresses are the one genuinely long value here — allow them to
   wrap safely instead of forcing nowrap overflow. */
.footer-contact a[href^="mailto:"] {
  white-space: normal;
  overflow-wrap: anywhere;
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

.footer-links {
  display: flex;
  gap: var(--spacing-2xl);
  flex-wrap: wrap;
}

.footer-links a {
  font-size: var(--font-size-sm);
}

/* Three-Step Benefits */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin: var(--spacing-3xl) 0;
}

.step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.step h4 {
  margin-bottom: var(--spacing-md);
}

.step p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Benefits List */
.benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.benefit {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-success-light);
  border-radius: 50%;
  color: var(--color-success);
  flex-shrink: 0;
  font-weight: bold;
}

.benefit-text h4 {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: var(--font-size-base);
}

.benefit-text p {
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Contact Section */
.contact-section {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg-elevated) 100%);
  border-radius: 16px;
  padding: var(--spacing-4xl) var(--spacing-2xl);
  text-align: center;
}

.contact-section h2 {
  color: var(--color-text-primary);
  margin-top: 0;
}

.contact-section p {
  max-width: 600px;
  margin: 0 auto var(--spacing-3xl);
  font-size: var(--font-size-lg);
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-2xl);
  max-width: 700px;
  margin: 0 auto;
}

.contact-method {
  background-color: var(--color-bg-surface);
  padding: var(--spacing-2xl);
  border-radius: 12px;
  border: 2px solid var(--color-border-light);
  transition: var(--transition);
  min-width: 0;
}

.contact-method:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.contact-method a {
  display: block;
  max-width: 100%;
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  word-break: normal;
  overflow-wrap: normal;
  white-space: nowrap;
}

/* Email addresses are the one genuinely long value here — allow them to
   wrap safely instead of forcing nowrap overflow. */
.contact-method a[href^="mailto:"] {
  white-space: normal;
  overflow-wrap: anywhere;
}

.contact-method label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  :root {
    --spacing-4xl: 3rem;
    --spacing-3xl: 2rem;
  }

  .header-container {
    position: relative;
  }

  .mobile-menu-btn {
    display: flex;
  }

  nav#mainNav:not(.active) {
    display: none;
  }

  /* Open menu renders as a full-width dropdown panel, taken out of the
     header's flex row so it can never squeeze the logo/button or overflow
     the viewport horizontally. */
  nav#mainNav.active {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-light);
    border-top: none;
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    z-index: 99;
    max-width: 100%;
    box-sizing: border-box;
  }

  nav#mainNav.active a {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-sm);
    text-align: left;
  }

  nav#mainNav.active .nav-cta {
    margin-top: var(--spacing-sm);
    text-align: center;
  }

  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 300px;
    order: -1;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .button {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-divider {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-methods {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  .hero-ctas {
    gap: var(--spacing-md);
  }

  .button {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }

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

  .card-visual {
    min-height: 180px;
  }

  /* Trim stacked padding so contact labels/values have enough width to
     stay on one line instead of being squeezed into a near-zero column. */
  .contact-section {
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .contact-method {
    padding: var(--spacing-lg);
  }
}

/* Product photo cards (real photographed plates) */

.qty-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: #001a4d;
  color: white;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: 700;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.25);
  letter-spacing: 0.3px;
  z-index: 2;
}

.feature-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs, 6px);
  margin: var(--spacing-sm) 0;
}

.feature-chip {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: var(--color-bg-muted, #f4f6f9);
  border: 1px solid var(--color-border-light);
  padding: 3px 10px;
  border-radius: 20px;
}

/* Animations */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Utilities */
.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

.hidden-mobile {
  display: none;
}

@media (min-width: 769px) {
  .hidden-mobile {
    display: block;
  }
}

.hidden-desktop {
  display: block;
}

@media (min-width: 769px) {
  .hidden-desktop {
    display: none;
  }
}