/**
 * =============================================================
 * RUSTY RAFTS WIKI — STYLESHEET
 * =============================================================
 * Post-apocalyptic ocean aesthetic
 * Primary: Rust/Orange (#c45c26)
 * Secondary: Dark Teal/Steel Blue (#1a3a4a)
 * Accent: Ocean Blue (#2d8bab)
 * Surface: Dark weathered metals/greys
 * =============================================================
 */

:root {
  /* ── Core Brand Colors ─────────────────────────────── */
  --color-primary:   #c45c26;   /* Rust Orange */
  --color-secondary: #1a3a4a;   /* Dark Teal */
  --color-accent:     #2d8bab;   /* Ocean Blue */
  --color-success:    #3d8b5f;   /* Sea Green */
  --color-danger:     #b54040;   /* Warning Red */
  --color-warning:    #d4a03a;   /* Amber */
  --color-gold:       #d4a03a;   /* Gold */

  /* ── Background Surfaces ──────────────────────────── */
  --bg-primary:     #0d1b21;     /* Deep Ocean Dark */
  --bg-secondary:   #152a33;     /* Steel Blue Dark */
  --bg-tertiary:     #1c3642;     /* Weathered Metal */
  --bg-elevated:     #243d4a;     /* Raised Surface */

  /* ── Text Colors ─────────────────────────────────── */
  --text-primary:   #e8e4df;     /* Weathered White */
  --text-secondary: #a8b4bc;     /* Steel Grey */
  --text-muted:     #6b8088;     /* Rust Grey */

  /* ── Typography ─────────────────────────────────── */
  --font-heading: 'Outfit', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Inter', 'Segoe UI', system-ui, sans-serif;

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

  /* ── Border Radius ───────────────────────────────── */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-full: 9999px;

  /* ── Glass Effects ────────────────────────────────── */
  --glass-border: rgba(45, 139, 171, 0.25);
  --glass-shadow: rgba(0, 0, 0, 0.3);

  /* ── Transitions ─────────────────────────────────── */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;
}

/* ================================================================
 * BASE STYLES
 * ================================================================ */

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

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

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

code {
  font-family: 'Courier New', monospace;
  background: var(--bg-tertiary);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

::selection {
  background: var(--color-primary);
  color: var(--text-primary);
}

/* ================================================================
 * UTILITY CLASSES
 * ================================================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-narrow {
  max-width: 800px;
}

.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted     { color: var(--text-muted); }
.text-amber     { color: var(--color-warning); }
.text-rust      { color: var(--color-primary); }
.text-gold      { color: var(--color-gold); }

.flex { display: flex; }
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-sm  { gap: var(--spacing-sm); }
.gap-md  { gap: var(--spacing-md); }
.gap-lg  { gap: var(--spacing-lg); }

.mt-sm  { margin-top: var(--spacing-sm); }
.mt-md  { margin-top: var(--spacing-md); }
.mt-lg  { margin-top: var(--spacing-lg); }
.mt-xl  { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

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

.p-sm  { padding: var(--spacing-sm); }
.p-md  { padding: var(--spacing-md); }
.p-lg  { padding: var(--spacing-lg); }
.p-xl  { padding: var(--spacing-xl); }

.py-xl { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.px-xl { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }

.w-full { width: 100%; }

.hidden { display: none !important; }

.opacity-75 { opacity: 0.75; }

/* ================================================================
 * BUTTONS
 * ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.65rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: var(--text-primary);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: #a84d1f;
  border-color: #a84d1f;
  color: var(--text-primary);
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--text-primary);
  border-color: var(--color-accent);
}
.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--text-primary);
}

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

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
}

/* ================================================================
 * BADGES
 * ================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary   { background: var(--color-primary); color: var(--text-primary); }
.badge-secondary { background: var(--color-secondary); color: var(--color-accent); }
.badge-accent    { background: var(--color-accent); color: var(--text-primary); }
.badge-success   { background: var(--color-success); color: var(--text-primary); }
.badge-danger    { background: var(--color-danger); color: var(--text-primary); }
.badge-warning   { background: var(--color-warning); color: var(--bg-primary); }
.badge-gold      { background: var(--color-gold); color: var(--bg-primary); }
.badge-info      { background: var(--bg-tertiary); color: var(--text-secondary); }

.badge-mythic    { background: linear-gradient(135deg, #d4a03a, #ffd700); color: #1a1a1a; }
.badge-legendary { background: var(--color-primary); color: var(--text-primary); }
.badge-rare      { background: var(--color-secondary); color: var(--color-accent); }
.badge-uncommon  { background: var(--bg-tertiary); color: var(--color-accent); }
.badge-common    { background: var(--bg-tertiary); color: var(--text-muted); }

.badge-S, .badge-SS { background: var(--color-gold); color: #1a1a1a; }
.badge-A { background: var(--color-primary); color: var(--text-primary); }
.badge-B { background: var(--color-secondary); color: var(--text-primary); }
.badge-C { background: var(--bg-tertiary); color: var(--text-muted); }

/* ================================================================
 * CARDS
 * ================================================================ */

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--glass-shadow);
}

.card-gradient {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.card-header {
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-xs);
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.card-body {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.card-footer {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.border-success { border-left: 4px solid var(--color-success); }
.border-gold    { border-left: 4px solid var(--color-gold); }
.border-primary { border-left: 4px solid var(--color-primary); }

/* ================================================================
 * NAVBAR
 * ================================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: rgba(13, 27, 33, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(13, 27, 33, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
}

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

.navbar-logo {
  font-size: 1.75rem;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  list-style: none;
}

.navbar-link {
  display: block;
  padding: 0.5rem 0.85rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-primary);
  background: rgba(196, 92, 38, 0.1);
}

.navbar-item {
  position: relative;
}

.navbar-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  box-shadow: 0 8px 24px var(--glass-shadow);
}

.navbar-item:hover .navbar-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.dropdown-link:hover,
.dropdown-link.active {
  color: var(--color-primary);
  background: rgba(196, 92, 38, 0.1);
}

.navbar-toggle {
  display: none;
}

.navbar-toggle,
.navbar-search-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.navbar-toggle:hover,
.navbar-search-btn:hover {
  color: var(--color-primary);
  background: rgba(196, 92, 38, 0.1);
}

/* Progress Bar */
#progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 100ms linear;
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 27, 33, 0.9);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}

.search-modal {
  width: 100%;
  max-width: 600px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.search-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--glass-border);
}

.search-input {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
}

.search-input:focus {
  border-color: var(--color-accent);
}

.search-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
}

.search-results {
  max-height: 400px;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.search-result-item:hover {
  background: var(--bg-tertiary);
}

.search-result-emoji {
  font-size: 1.5rem;
}

.search-result-desc {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.search-hint {
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--text-muted);
}

mark {
  background: var(--color-primary);
  color: var(--text-primary);
  padding: 0 2px;
  border-radius: 2px;
}

/* ================================================================
 * HERO & PAGE HEADERS
 * ================================================================ */

.hero {
  padding: 8rem var(--spacing-lg) 4rem;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--glass-border);
}

.hero-block {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

.page-hero {
  padding: 7rem var(--spacing-lg) 3rem;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--glass-border);
}

.section {
  padding: 4rem var(--spacing-lg);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--text-muted);
}
.breadcrumb a:hover { color: var(--color-primary); }

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

/* ================================================================
 * TABLES
 * ================================================================ */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-secondary);
}

.table th,
.table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--bg-tertiary); }

.caption.hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  clip: rect(0, 0, 0, 0);
  overflow: hidden;
}

/* ================================================================
 * TOOL PAGES
 * ================================================================ */

.tool-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-xl);
}

.tool-main { min-width: 0; }

.tool-sidebar .card {
  position: sticky;
  top: 80px;
}

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

.tool-header h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.tool-controls {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.tool-display {
  background: var(--bg-tertiary);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  min-height: 300px;
}

.tool-result {
  background: var(--bg-secondary);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-md);
}

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

.form-input,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-select {
  cursor: pointer;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

/* Filter Bar */
.filter-bar {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

/* ================================================================
 * CONTENT & GUIDES
 * ================================================================ */

.content-body {
  max-width: 700px;
  margin: 0 auto;
}

.content-body h2 {
  color: var(--color-primary);
  margin: var(--spacing-xl) 0 var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--glass-border);
}

.content-body h3 {
  color: var(--color-accent);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.content-body p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.content-body ul,
.content-body ol {
  padding-left: var(--spacing-xl);
  color: var(--text-secondary);
}

.content-body li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.highlight-box {
  background: linear-gradient(135deg, rgba(196, 92, 38, 0.15), rgba(196, 92, 38, 0.05));
  border: 1px solid var(--color-primary);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
}

.steps-container > div {
  padding: 1rem;
  border-left: 4px solid var(--color-primary);
  background: var(--bg-secondary);
  margin-bottom: var(--spacing-md);
}

/* FAQ Accordion */
.faq-container details {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.faq-container summary {
  padding: var(--spacing-md);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-container summary::-webkit-details-marker { display: none; }
.faq-container summary::after {
  content: "+";
  color: var(--color-primary);
  font-size: 1.5rem;
}
.faq-container details[open] summary::after { content: "−"; }

.faq-content {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 30px;
  margin: 2rem 0;
  border-left: 2px solid var(--glass-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--bg-primary);
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
  display: block;
}

.timeline-content {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

/* Promo Codes */
.promo-code {
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

/* Trading Values */
.trend-up   { color: var(--color-success); font-weight: 700; }
.trend-down { color: var(--color-danger); font-weight: 700; }
.trend-stable { color: var(--text-muted); font-weight: 700; }

/* ================================================================
 * FOOTER
 * ================================================================ */

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  margin-top: auto;
}

.footer h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ================================================================
 * ANIMATIONS
 * ================================================================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-fade-in {
  animation: fadeInUp 0.4s ease forwards;
}

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

@media (max-width: 992px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }
  .tool-sidebar .card {
    position: static;
  }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .navbar-container {
    flex-wrap: wrap;
    height: auto;
    padding: 0.75rem var(--spacing-md);
    gap: 0.5rem;
  }
  .navbar-brand {
    flex: 1;
  }
  .navbar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
  }
  .navbar-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    flex-direction: column;
    align-items: stretch;
    padding: 5rem var(--spacing-lg) 2rem;
    gap: 0;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: 9999;
    overflow-y: auto;
  }
  .navbar-menu.active {
    transform: translateX(0);
  }
  .navbar-menu .navbar-item {
    border-bottom: 1px solid var(--glass-border);
  }
  .navbar-link {
    padding: 1rem 0;
    font-size: 1.1rem;
  }
  .navbar-item .navbar-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--bg-secondary);
    padding: 0 0 0 var(--spacing-lg);
    display: none;
  }
  .navbar-item.dropdown-active .navbar-dropdown {
    display: block;
  }
  .dropdown-link {
    padding: 0.75rem 0;
    font-size: 1rem;
  }
  .navbar-item:hover .navbar-dropdown {
    display: none;
  }
  .navbar-item.dropdown-active .navbar-dropdown {
    display: block;
  }
  .flex.items-center.gap-sm {
    gap: 0.25rem;
  }
  body.menu-open {
    overflow: hidden;
  }
  body.menu-open .navbar-menu {
    transform: translateX(0);
  }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
  .section { padding: 3rem var(--spacing-md); }
  .footer .grid-3 {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  .table-container {
    font-size: 0.85rem;
  }
  .table th, .table td {
    padding: 0.65rem;
  }
  .card {
    padding: var(--spacing-md);
  }
  .btn-lg {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  .hero {
    padding: 6rem var(--spacing-md) 3rem;
  }
  .hero-block {
    font-size: 3rem;
  }
  .page-hero {
    padding: 6rem var(--spacing-md) 2rem;
  }
  .promo-code {
    padding: var(--spacing-sm);
  }
  .tool-layout {
    gap: var(--spacing-md);
  }
  .stat-number {
    font-size: 2rem;
  }
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--text-primary);
  padding: 8px 16px;
  z-index: 9999;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 0; }