@charset "UTF-8";
/* ==========================================================================
   KÜGERR Warranty Page — Premium Design System
   Fonts: DM Sans (body) & Jost (headings)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,400&family=Jost:wght@400;500;600;700&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  /* Colors */
  --c-navy: #0a1628;
  --c-navy-light: #1a2a4a;
  --c-teal: #0d9488;
  --c-teal-dark: #0f766e;
  --c-teal-light: #14b8a6;
  --c-amber: #d97706;
  --c-amber-hover: #b45309;
  --c-text-dark: #1a1a2e;
  --c-text-body: #4b5563;
  --c-text-muted: #9ca3af;
  --c-bg: #f8fafc;
  --c-bg-card: #ffffff;
  --c-border: #e2e8f0;
  --c-white: #ffffff;

  /* Validation */
  --c-error: #ef4444;
  --c-error-bg: #fef2f2;
  --c-success: #10b981;
  --c-success-bg: #ecfdf5;

  /* Typography */
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'Jost', system-ui, -apple-system, sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glass: 0 8px 32px 0 rgba(10, 22, 40, 0.08);
  --shadow-focus: 0 0 0 3px rgba(13, 148, 136, 0.25);

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition: 300ms var(--ease-out);
  --transition-slow: 500ms var(--ease-out);

  /* Layout */
  --container-max: 1200px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--c-text-dark);
  line-height: 1.2;
}

a { text-decoration: none; color: var(--c-teal); transition: color var(--transition-fast); }
a:hover { color: var(--c-teal-dark); }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul, ol { list-style: none; }

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

/* Icon size helpers */
.icon-sm { width: 18px; height: 18px; }
.icon-md { width: 24px; height: 24px; }
.icon-lg { width: 32px; height: 32px; }
.icon-xl { width: 48px; height: 48px; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow var(--transition);
}
.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header-logo { display: flex; align-items: center; }
.logo-img { height: 40px; width: auto; }

.header-nav { display: flex; gap: 2rem; }
.nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--c-text-body);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-teal);
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--c-teal); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.header-contact { display: flex; align-items: center; }
.header-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--c-teal);
  font-size: 0.9rem;
}

.mobile-menu-btn { display: none; padding: 0.5rem; color: var(--c-text-dark); }

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}
.mobile-menu-overlay.open { opacity: 1; visibility: visible; }

.mobile-menu {
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  background: var(--c-white);
  transform: translateX(100%);
  transition: transform var(--transition);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}
.mobile-menu-overlay.open .mobile-menu { transform: translateX(0); }

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 1.5rem;
}
.mobile-logo { height: 32px; }
.mobile-close-btn { padding: 0.25rem; color: var(--c-text-body); }

.mobile-nav { display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--c-text-dark);
  padding: 0.875rem 0.5rem;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}
.mobile-nav-link:hover { background: var(--c-bg); color: var(--c-teal); }
.mobile-nav-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  color: var(--c-teal);
  border-top: 1px solid var(--c-border);
  padding-top: 1.5rem;
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 1.5rem 80px;
  overflow: hidden;
  margin-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 22, 40, 0.88) 0%, rgba(13, 148, 136, 0.7) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  animation: fadeUp 0.6s var(--ease-out) forwards;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  color: var(--c-white);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Stats strip */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}
.stat-item { text-align: center; }
.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.25rem;
  display: block;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.3);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--c-white);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  transition: all var(--transition);
  font-size: 0.95rem;
}
.hero-cta:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--c-white);
  transform: translateY(2px);
}

/* ==========================================================================
   WARRANTY SECTION (Tabs + Form)
   ========================================================================== */
.warranty-section {
  padding: 4rem 0;
  position: relative;
}

/* Tabs */
.tabs {
  display: flex;
  position: relative;
  background: var(--c-white);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-border);
  border-bottom: none;
}

.tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.25rem 1rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-text-muted);
  transition: all var(--transition);
  position: relative;
  z-index: 1;
}
.tab:hover { color: var(--c-teal); background: rgba(13, 148, 136, 0.03); }
.tab.active { color: var(--c-teal); }
.tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--c-teal);
}

/* Tab Content */
.tab-content {
  display: none;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-top: none;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 2.5rem;
  animation: fadeIn 0.3s var(--ease-out);
}
.tab-content.active { display: block; }

/* Form Header */
.form-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--c-border);
}
.form-header h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.form-header p {
  color: var(--c-text-muted);
  font-size: 0.95rem;
}

.required-mark { color: var(--c-error); font-weight: 700; }

/* Form Groups (Fieldset) */
.form-group {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  background: var(--c-bg);
}
.form-group-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-teal);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--c-border);
}
.form-group-optional {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--c-text-muted);
}

/* Form Layout */
.form-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}
.form-row:last-child { margin-bottom: 0; }
.form-row.two-cols > .form-field { flex: 1; min-width: 0; }

.form-field { display: flex; flex-direction: column; }
.form-label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--c-text-dark);
  margin-bottom: 0.375rem;
}

/* Input Styles */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--c-text-dark);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  appearance: none;
}
.form-input::placeholder { color: var(--c-text-muted); }
.form-input:focus {
  outline: none;
  border-color: var(--c-teal);
  box-shadow: var(--shadow-focus);
}
.form-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--c-bg);
}

select.form-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 8.825a.7.7 0 0 1-.5-.2L1.7 4.8a.7.7 0 0 1 1-1L6 7.13l3.3-3.33a.7.7 0 0 1 1 1L6.5 8.625a.7.7 0 0 1-.5.2Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px;
  padding-right: 2.5rem;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

/* Validation */
.form-input.is-invalid { border-color: var(--c-error); background: var(--c-error-bg); }
.form-input.is-invalid:focus { box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2); }
.form-error {
  font-size: 0.8rem;
  color: var(--c-error);
  margin-top: 0.25rem;
  min-height: 1.2em;
}

/* File Upload */
.file-upload-area {
  position: relative;
  border: 2px dashed var(--c-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  background: var(--c-white);
  transition: all var(--transition-fast);
  cursor: pointer;
}
.file-upload-area:hover, .file-upload-area.drag-over {
  border-color: var(--c-teal);
  background: rgba(13, 148, 136, 0.03);
}
.file-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}
.file-upload-content { pointer-events: none; }
.upload-icon { color: var(--c-teal); margin-bottom: 0.5rem; margin: 0 auto 0.5rem; display: block; }
.upload-text { color: var(--c-text-body); font-size: 0.9rem; }
.upload-browse { color: var(--c-teal); font-weight: 600; }
.upload-hint { font-size: 0.8rem; color: var(--c-text-muted); margin-top: 0.25rem; }

.file-preview {
  position: relative;
  display: inline-block;
  margin-top: 1rem;
}
.file-preview img {
  max-height: 160px;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
}
.file-remove-btn {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: var(--c-error);
  color: var(--c-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}
.file-remove-btn:hover { transform: scale(1.1); }

/* Submit area */
.form-submit {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-border);
  text-align: center;
}
.form-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  background: rgba(13, 148, 136, 0.06);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--c-text-body);
  margin-bottom: 1.5rem;
  text-align: left;
}
.form-notice svg { flex-shrink: 0; margin-top: 2px; color: var(--c-teal); }

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-white);
  background: linear-gradient(135deg, var(--c-teal) 0%, var(--c-navy) 100%);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3);
  min-width: 260px;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
}
.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   LOOKUP TAB
   ========================================================================== */
.lookup-form { margin-bottom: 2rem; }
.lookup-input-group {
  display: flex;
  gap: 0.75rem;
  max-width: 600px;
  margin: 0 auto;
}
.lookup-input-wrapper {
  flex: 1;
  position: relative;
}
.lookup-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-text-muted);
  pointer-events: none;
}
.lookup-input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 2.75rem;
  font-size: 1rem;
  font-family: var(--font-body);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}
.lookup-input:focus {
  outline: none;
  border-color: var(--c-teal);
  box-shadow: var(--shadow-focus);
}

.btn-lookup {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-white);
  background: var(--c-teal);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-lookup:hover { background: var(--c-teal-dark); }
.btn-lookup:disabled { opacity: 0.7; cursor: not-allowed; }

/* Lookup Results */
.lookup-results { margin-top: 1.5rem; }

.result-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  animation: fadeUp 0.4s var(--ease-out);
  margin-bottom: 1rem;
}
.result-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 1rem;
}
.result-product-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--c-text-dark);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35em 0.85em;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}
.badge-active { background: var(--c-success-bg); color: var(--c-success); }
.badge-expired { background: var(--c-error-bg); color: var(--c-error); }

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
.result-item { padding: 0.5rem 0; }
.result-label { font-size: 0.8rem; color: var(--c-text-muted); margin-bottom: 0.125rem; }
.result-value { font-weight: 600; color: var(--c-text-dark); font-size: 0.95rem; }

/* Lookup Empty State */
.lookup-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--c-text-muted);
}
.lookup-empty h3 {
  font-size: 1.15rem;
  margin: 1rem 0 0.5rem;
  color: var(--c-text-dark);
}
.lookup-empty p { font-size: 0.9rem; max-width: 420px; margin: 0 auto; }

/* ==========================================================================
   POLICY SECTION
   ========================================================================== */
.policy-section {
  padding: 5rem 0;
  background: var(--c-white);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-teal);
  background: rgba(13, 148, 136, 0.08);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}
.section-title {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.section-desc {
  color: var(--c-text-muted);
  font-size: 0.95rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Accordion */
.policy-grid {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.accordion-item:hover { box-shadow: var(--shadow-sm); }

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text-dark);
  background: var(--c-bg);
  transition: all var(--transition-fast);
  text-align: left;
}
.accordion-header:hover { background: rgba(13, 148, 136, 0.04); }
.accordion-header[aria-expanded="true"] {
  color: var(--c-teal);
  background: rgba(13, 148, 136, 0.06);
}

.accordion-icon-wrap {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 148, 136, 0.1);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  color: var(--c-teal);
}

.accordion-title { flex: 1; }

.accordion-chevron {
  transition: transform var(--transition);
  color: var(--c-text-muted);
  flex-shrink: 0;
}
.accordion-header[aria-expanded="true"] .accordion-chevron {
  transform: rotate(180deg);
  color: var(--c-teal);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
  background: var(--c-white);
}
.accordion-body > ul,
.accordion-body > div,
.accordion-body > p {
  padding: 1.25rem;
}

.policy-list {
  list-style: disc;
  padding-left: 1.25rem;
}
.policy-list li {
  padding: 0.375rem 0;
  line-height: 1.6;
  color: var(--c-text-body);
}

/* Steps */
.steps-list { display: flex; flex-direction: column; gap: 1.25rem; }
.step-item { display: flex; gap: 1rem; align-items: flex-start; }
.step-number {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--c-teal), var(--c-navy));
  color: var(--c-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.step-content strong { color: var(--c-text-dark); display: block; margin-bottom: 0.25rem; }
.step-content p { font-size: 0.9rem; color: var(--c-text-body); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: var(--c-navy);
  color: var(--c-white);
  padding: 3rem 0 2rem;
}
.footer-inner { text-align: center; }
.footer-logo { height: 36px; margin: 0 auto 0.75rem; }
.footer-tagline {
  font-style: italic;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}
.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.footer-links a { color: rgba(255, 255, 255, 0.7); font-size: 0.9rem; }
.footer-links a:hover { color: var(--c-white); }
.footer-divider { color: rgba(255, 255, 255, 0.3); }
.footer-copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.toast {
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 500;
  color: var(--c-white);
  box-shadow: var(--shadow-lg);
  transform: translateX(120%);
  transition: transform var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 400px;
}
.toast.show { transform: translateX(0); }
.toast-success { background: var(--c-success); }
.toast-error { background: var(--c-error); }

/* ==========================================================================
   BACK TO TOP
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--c-navy);
  color: var(--c-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 99;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover {
  background: var(--c-teal);
  transform: translateY(-3px);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll-triggered animations */
[data-animate] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Mobile (< 768px) */
@media (max-width: 767px) {
  .header-nav, .header-contact { display: none; }
  .mobile-menu-btn { display: flex; }

  .hero { min-height: 420px; padding: 100px 1rem 60px; }
  .hero-stats { gap: 1rem; }
  .stat-number { font-size: 1.5rem; }
  .stat-label { font-size: 0.75rem; }

  .tab-content { padding: 1.5rem; }
  .form-row.two-cols { flex-direction: column; }
  .tabs .tab span { font-size: 0.9rem; }

  .result-grid { grid-template-columns: 1fr; }
  .lookup-input-group { flex-direction: column; }
}

/* Tablet (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .header-contact { display: none; }
  .mobile-menu-btn { display: flex; }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .mobile-menu-btn { display: none; }
}

/* Large Desktop */
@media (min-width: 1440px) {
  :root { --container-max: 1280px; }
}

/* ==========================================================================
   PRINT
   ========================================================================== */
@media print {
  .header, .hero, .footer, .back-to-top, .toast-container, .tabs { display: none !important; }
  .tab-content { display: block !important; box-shadow: none; border: none; }
  .warranty-section { padding: 0; }
  body { background: white; color: black; }
}