/* ==========================================================================
   2play Design System — Component Library
   Depends on: tokens.css
   ========================================================================== */

/* ============================================================
   BASE RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition-base); }
a:hover { color: var(--color-accent-hover); }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { cursor: pointer; font-family: var(--font-body); }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.h400 { font-family: var(--font-heading); font-size: var(--text-h400); font-weight: var(--weight-bold); line-height: var(--leading-tight); letter-spacing: var(--tracking-tight); }
.h300 { font-family: var(--font-heading); font-size: var(--text-h300); font-weight: var(--weight-bold); line-height: var(--leading-tight); letter-spacing: var(--tracking-tight); }
.h200 { font-family: var(--font-heading); font-size: var(--text-h200); font-weight: var(--weight-bold); line-height: var(--leading-snug); letter-spacing: var(--tracking-tight); }
.h100 { font-family: var(--font-heading); font-size: var(--text-h100); font-weight: var(--weight-bold); line-height: var(--leading-snug); }

.title-200 { font-size: var(--text-title-200); font-weight: var(--weight-medium); line-height: var(--leading-snug); }
.title-100 { font-size: var(--text-title-100); font-weight: var(--weight-medium); line-height: var(--leading-normal); }
.title-50  { font-size: var(--text-title-50);  font-weight: var(--weight-medium); line-height: var(--leading-normal); }

.body-400 { font-size: var(--text-body-400); font-weight: var(--weight-regular); line-height: var(--leading-relaxed); }
.body-300 { font-size: var(--text-body-300); font-weight: var(--weight-regular); line-height: var(--leading-relaxed); }
.body-200 { font-size: var(--text-body-200); font-weight: var(--weight-regular); line-height: var(--leading-relaxed); }
.body-100 { font-size: var(--text-body-100); font-weight: var(--weight-regular); line-height: var(--leading-normal); }

.link-200 { font-size: var(--text-link-200); font-weight: var(--weight-medium); color: var(--color-accent); text-decoration: underline; }
.link-100 { font-size: var(--text-link-100); font-weight: var(--weight-medium); color: var(--color-accent); text-decoration: underline; }

.text-muted  { color: var(--color-text-muted); }
.text-subtle { color: var(--color-text-subtle); }
.text-accent { color: var(--color-accent); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-500);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-300);
  padding: var(--padding-100) var(--padding-300);
  font-size: var(--text-button);
  font-weight: var(--weight-medium);
  font-family: var(--font-body);
  line-height: 1;
  border-radius: var(--radius-300);
  border: 1.5px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  outline: none;
}
.btn:focus-visible {
  box-shadow: 0 0 0 3px var(--primary-200);
}

/* Sizes */
.btn-sm {
  padding: var(--spacing-300) var(--spacing-400);
  font-size: var(--text-title-50);
}
.btn-lg {
  padding: var(--spacing-400) var(--spacing-700);
  font-size: var(--text-title-200);
  border-radius: var(--radius-300);
}
.btn-pill { border-radius: var(--radius-400); }

/* Variants */
.btn-primary {
  background: var(--primary-300);
  color: #fff;
  border-color: var(--primary-300);
}
.btn-primary:hover {
  background: var(--primary-400);
  border-color: var(--primary-400);
  color: #fff;
  box-shadow: var(--elevation-200);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); box-shadow: none; }

.btn-secondary {
  background: var(--primary-100);
  color: var(--primary-400);
  border-color: var(--primary-100);
}
.btn-secondary:hover {
  background: var(--primary-200);
  color: #fff;
  border-color: var(--primary-200);
}

.btn-outline {
  background: transparent;
  color: var(--primary-300);
  border-color: var(--primary-300);
}
.btn-outline:hover {
  background: var(--primary-300);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-subtle);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.btn-dark {
  background: var(--neutral-500);
  color: #fff;
  border-color: var(--neutral-500);
}
.btn-dark:hover {
  background: var(--neutral-400);
  border-color: var(--neutral-400);
  color: #fff;
}

.btn-danger {
  background: var(--feedback-error-100);
  color: #fff;
  border-color: var(--feedback-error-100);
}
.btn-danger:hover {
  background: var(--feedback-error-200);
  border-color: var(--feedback-error-200);
  color: #fff;
}

.btn[disabled], .btn.disabled {
  opacity: 0.45;
  pointer-events: none;
}

.btn-icon {
  padding: var(--padding-100);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-300);
}
.btn-icon.btn-sm { width: 32px; height: 32px; }
.btn-icon.btn-lg { width: 48px; height: 48px; }

/* ============================================================
   BADGES / TAGS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-200);
  padding: var(--spacing-100) var(--spacing-300);
  font-size: var(--text-body-100);
  font-weight: var(--weight-medium);
  line-height: 1;
  border-radius: var(--radius-400);
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-primary { background: var(--primary-100); color: var(--primary-400); border-color: var(--primary-200); }
.badge-neutral  { background: var(--neutral-200); color: var(--neutral-400); border-color: var(--neutral-200); }
.badge-info     { background: var(--background-info); color: var(--feedback-info-200); border-color: #C3DCFC; }
.badge-success  { background: var(--background-success); color: var(--feedback-success-200); border-color: #B3E4D8; }
.badge-warning  { background: var(--background-warning); color: var(--feedback-warning-200); border-color: #DECCAA; }
.badge-error    { background: var(--background-error); color: var(--feedback-error-200); border-color: #F8BFBF; }
.badge-dot::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ============================================================
   INPUTS
   ============================================================ */
.form-group { display: flex; flex-direction: column; gap: var(--spacing-200); }

.form-label {
  font-size: var(--text-body-200);
  font-weight: var(--weight-medium);
  color: var(--color-text);
}
.form-hint {
  font-size: var(--text-body-100);
  color: var(--color-text-muted);
}
.form-error-msg {
  font-size: var(--text-body-100);
  color: var(--feedback-error-100);
}

.input {
  width: 100%;
  padding: var(--padding-100) var(--padding-200);
  font-family: var(--font-body);
  font-size: var(--text-body-300);
  font-weight: var(--weight-regular);
  color: var(--color-text);
  background: var(--background-100);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-300);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input::placeholder { color: var(--color-text-muted); }
.input:hover { border-color: var(--neutral-300); }
.input:focus {
  border-color: var(--primary-300);
  box-shadow: 0 0 0 3px rgba(89, 82, 231, 0.15);
}
.input.input-error { border-color: var(--feedback-error-100); }
.input.input-error:focus { box-shadow: 0 0 0 3px rgba(242, 87, 87, 0.15); }
.input.input-success { border-color: var(--feedback-success-100); }
.input[disabled] { opacity: 0.5; background: var(--color-surface); pointer-events: none; }

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

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23464D57' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--padding-200) center;
  padding-right: 40px;
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}
.input-group .input { padding-left: 40px; }
.input-group .input-icon {
  position: absolute;
  left: var(--padding-200);
  color: var(--color-text-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
}
.input-group .input-suffix {
  position: absolute;
  right: var(--padding-200);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
}

/* Checkbox & Radio */
.checkbox-label, .radio-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-300);
  cursor: pointer;
  font-size: var(--text-body-300);
  color: var(--color-text);
  user-select: none;
}
.checkbox-input, .radio-input {
  appearance: none;
  width: 18px; height: 18px;
  min-width: 18px;
  border: 1.5px solid var(--color-border-strong);
  background: var(--background-100);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
  margin-top: 2px;
}
.checkbox-input { border-radius: var(--radius-200); }
.radio-input { border-radius: 50%; }
.checkbox-input:checked, .radio-input:checked {
  background: var(--primary-300);
  border-color: var(--primary-300);
}
.checkbox-input:checked::after {
  content: '';
  display: block;
  width: 4px; height: 8px;
  border: 2px solid #fff;
  border-top: 0; border-left: 0;
  transform: rotate(45deg) translateY(-1px);
}
.radio-input:checked::after {
  content: '';
  display: block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #fff;
}

/* Toggle / Switch */
.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-300);
  cursor: pointer;
}
.toggle-track {
  width: 44px; height: 24px;
  background: var(--neutral-300);
  border-radius: var(--radius-400);
  transition: background var(--transition-base);
  position: relative;
  flex-shrink: 0;
}
.toggle-track::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  top: 3px; left: 3px;
  box-shadow: var(--elevation-100);
  transition: transform var(--transition-base);
}
.toggle-input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle-input:checked + .toggle-track { background: var(--primary-300); }
.toggle-input:checked + .toggle-track::after { transform: translateX(20px); }
.toggle-label { font-size: var(--text-body-300); }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--background-100);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-300);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover {
  box-shadow: var(--elevation-200);
  transform: translateY(-2px);
}
.card-body { padding: var(--padding-300); }
.card-header {
  padding: var(--padding-200) var(--padding-300);
  border-bottom: 1px solid var(--color-border);
  font-weight: var(--weight-medium);
}
.card-footer {
  padding: var(--padding-200) var(--padding-300);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.card-title { font-size: var(--text-title-100); font-weight: var(--weight-medium); margin: 0 0 var(--spacing-300); }
.card-text  { font-size: var(--text-body-200); color: var(--color-text-subtle); margin: 0; line-height: var(--leading-relaxed); }

/* Game Card */
.game-card {
  background: var(--neutral-500);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-300);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.game-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(89, 82, 231, 0.3); }
.game-card-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.game-card-body { padding: var(--padding-200) var(--padding-300); color: #fff; }
.game-card-title { font-size: var(--text-title-100); font-weight: var(--weight-medium); color: #fff; margin: 0 0 var(--spacing-200); }
.game-card-meta  { font-size: var(--text-body-100); color: var(--neutral-300); display: flex; align-items: center; gap: var(--spacing-300); }
.game-card-badge {
  position: absolute; top: var(--spacing-300); right: var(--spacing-300);
}

/* Stat Card */
.stat-card {
  background: var(--background-100);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-300);
  padding: var(--padding-300);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-200);
}
.stat-value { font-size: var(--text-h200); font-weight: var(--weight-bold); color: var(--color-text); line-height: 1; }
.stat-label { font-size: var(--text-body-200); color: var(--color-text-muted); }
.stat-change {
  font-size: var(--text-body-100);
  font-weight: var(--weight-medium);
  display: flex; align-items: center; gap: var(--spacing-100);
}
.stat-change.up   { color: var(--feedback-success-100); }
.stat-change.down { color: var(--feedback-error-100); }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-400);
  padding: var(--padding-200) var(--padding-300);
  border-radius: var(--radius-300);
  border: 1px solid transparent;
  font-size: var(--text-body-300);
}
.alert-icon { flex-shrink: 0; margin-top: 2px; }
.alert-title { font-weight: var(--weight-medium); margin: 0 0 var(--spacing-100); }
.alert-body  { margin: 0; }

.alert-info    { background: var(--background-info);    border-color: #C3DCFC; color: var(--feedback-info-200); }
.alert-success { background: var(--background-success); border-color: #B3E4D8; color: var(--feedback-success-200); }
.alert-warning { background: var(--background-warning); border-color: #DECCAA; color: var(--feedback-warning-200); }
.alert-error   { background: var(--background-error);   border-color: #F8BFBF; color: var(--feedback-error-200); }

/* ============================================================
   AVATAR
   ============================================================ */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  overflow: hidden;
  background: var(--primary-100);
  color: var(--primary-400);
  font-weight: var(--weight-medium);
  flex-shrink: 0;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-xs { width: 24px; height: 24px; font-size: var(--text-body-100); }
.avatar-sm { width: 32px; height: 32px; font-size: var(--text-body-200); }
.avatar-md { width: 40px; height: 40px; font-size: var(--text-body-300); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--text-title-200); }
.avatar-xl { width: 72px; height: 72px; font-size: var(--text-title-200); }

.avatar-group { display: flex; }
.avatar-group .avatar { border: 2px solid var(--background-100); margin-left: -8px; }
.avatar-group .avatar:first-child { margin-left: 0; }

/* ============================================================
   PROGRESS
   ============================================================ */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-surface);
  border-radius: var(--radius-400);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--primary-300);
  border-radius: var(--radius-400);
  transition: width 0.5s ease;
}
.progress-fill.success { background: var(--feedback-success-100); }
.progress-fill.warning { background: var(--feedback-warning-100); }
.progress-fill.error   { background: var(--feedback-error-100); }

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--spacing-500) 0;
}
.divider-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-400);
  font-size: var(--text-body-200);
  color: var(--color-text-muted);
  margin: var(--spacing-500) 0;
}
.divider-label::before, .divider-label::after {
  content: '';
  flex: 1;
  border-top: 1px solid var(--color-border);
}

/* ============================================================
   TOOLTIP (CSS-only)
   ============================================================ */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--neutral-500);
  color: #fff;
  font-size: var(--text-body-100);
  padding: var(--spacing-200) var(--spacing-300);
  border-radius: var(--radius-200);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: var(--z-overlay);
}
[data-tooltip]:hover::after { opacity: 1; }

/* ============================================================
   NAVIGATION HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-top);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.site-header.scrolled {
  background: rgba(255,255,255,.98);
  box-shadow: var(--elevation-200);
}
.nav-inner {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-500);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-500);
}
.nav-brand {
  font-family: var(--font-heading);
  font-size: var(--text-title-200);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-300);
}
.nav-brand .brand-accent { color: var(--color-accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-600);
}
.nav-link {
  font-size: var(--text-body-200);
  font-weight: var(--weight-medium);
  color: var(--color-text-subtle);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--primary-300);
  border-radius: 1px;
  transition: width var(--transition-base);
}
.nav-link:hover, .nav-link.active {
  color: var(--color-text);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: var(--spacing-300); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--neutral-500);
  color: #fff;
  padding: var(--padding-400) 0;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(89, 82, 231, 0.35) 0%, transparent 60%),
              radial-gradient(ellipse at 10% 80%, rgba(136, 134, 238, 0.15) 0%, transparent 50%);
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-300);
  font-size: var(--text-body-200);
  font-weight: var(--weight-medium);
  color: var(--primary-200);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--spacing-500);
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(48px, 7vw, var(--text-h400));
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--spacing-500);
  color: #fff;
}
.hero-title .accent { color: var(--primary-200); }
.hero-subtitle {
  font-size: var(--text-body-400);
  line-height: var(--leading-relaxed);
  color: var(--neutral-300);
  max-width: 560px;
  margin: 0 0 var(--spacing-800);
}
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--spacing-400); }

/* ============================================================
   SECTION UTILITIES
   ============================================================ */
.section { padding: 80px 0; }
.section-dark { background: var(--neutral-500); color: #fff; }
.section-muted { background: var(--color-surface); }

.section-eyebrow {
  font-size: var(--text-body-100);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--spacing-400);
}
.section-title-main {
  font-family: var(--font-heading);
  font-size: var(--text-h300);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin: 0 0 var(--spacing-400);
}
.section-subtitle {
  font-size: var(--text-body-400);
  color: var(--color-text-subtle);
  max-width: 600px;
  line-height: var(--leading-relaxed);
  margin: 0 0 var(--spacing-800);
}

/* ============================================================
   FEATURE GRID
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-500);
}
@media (max-width: 991px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .feature-grid { grid-template-columns: 1fr; } }

.feature-card {
  padding: var(--padding-300);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-300);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.feature-card:hover {
  border-color: var(--primary-200);
  box-shadow: var(--elevation-200);
}
.feature-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-300);
  background: var(--color-accent-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--spacing-500);
  color: var(--color-accent);
  font-size: 22px;
}
.feature-title { font-size: var(--text-title-100); font-weight: var(--weight-medium); margin: 0 0 var(--spacing-300); }
.feature-body  { font-size: var(--text-body-200); color: var(--color-text-subtle); margin: 0; line-height: var(--leading-relaxed); }

/* ============================================================
   GAME GRID
   ============================================================ */
.game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-400);
}
@media (max-width: 1024px) { .game-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px)  { .game-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .game-grid { grid-template-columns: 1fr; } }

/* ============================================================
   FILTER TABS
   ============================================================ */
.filter-tabs {
  display: flex;
  gap: var(--spacing-200);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-600);
}
.filter-tab {
  padding: var(--spacing-300) var(--spacing-400);
  font-size: var(--text-body-200);
  font-weight: var(--weight-medium);
  border-radius: var(--radius-400);
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text-subtle);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-tab:hover { border-color: var(--primary-200); color: var(--color-text); }
.filter-tab.active {
  background: var(--primary-300);
  border-color: var(--primary-300);
  color: #fff;
}

/* ============================================================
   STATS ROW
   ============================================================ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-300);
  overflow: hidden;
}
@media (max-width: 768px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }

.stats-item {
  background: var(--background-100);
  padding: var(--padding-300);
  text-align: center;
}
.stats-number {
  font-family: var(--font-heading);
  font-size: var(--text-h200);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--spacing-200);
}
.stats-desc { font-size: var(--text-body-200); color: var(--color-text-muted); }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: var(--primary-300);
  color: #fff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,.1) 0%, transparent 60%);
  pointer-events: none;
}
.cta-title { font-family: var(--font-heading); font-size: var(--text-h200); font-weight: var(--weight-bold); margin: 0 0 var(--spacing-400); color: #fff; }
.cta-subtitle { font-size: var(--text-body-400); opacity: .85; max-width: 520px; margin: 0 auto var(--spacing-700); line-height: var(--leading-relaxed); }
.cta-actions { display: flex; justify-content: center; gap: var(--spacing-400); flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--neutral-500);
  color: var(--neutral-200);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--spacing-700);
  padding-bottom: var(--spacing-700);
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: var(--spacing-500);
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand-desc { font-size: var(--text-body-200); color: var(--neutral-300); line-height: var(--leading-relaxed); margin-top: var(--spacing-400); }
.footer-col-title { font-size: var(--text-body-200); font-weight: var(--weight-medium); color: #fff; margin-bottom: var(--spacing-400); }
.footer-links { display: flex; flex-direction: column; gap: var(--spacing-300); }
.footer-links a { font-size: var(--text-body-200); color: var(--neutral-300); transition: color var(--transition-fast); text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-body-100);
  color: var(--neutral-300);
  flex-wrap: wrap;
  gap: var(--spacing-400);
}

/* ============================================================
   SOCIAL ICONS
   ============================================================ */
.social-list { display: flex; gap: var(--spacing-300); flex-wrap: wrap; }
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.15);
  color: var(--neutral-300);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: 14px;
}
.social-link:hover { border-color: var(--primary-200); color: var(--primary-200); }

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-2  { gap: var(--spacing-200); }
.gap-3  { gap: var(--spacing-300); }
.gap-4  { gap: var(--spacing-400); }
.gap-5  { gap: var(--spacing-500); }
.gap-6  { gap: var(--spacing-600); }

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

.mt-4  { margin-top: var(--spacing-400); }
.mt-5  { margin-top: var(--spacing-500); }
.mb-4  { margin-bottom: var(--spacing-400); }
.mb-5  { margin-bottom: var(--spacing-500); }
.mb-6  { margin-bottom: var(--spacing-600); }
.mb-8  { margin-bottom: var(--spacing-800); }

.w-full { width: 100%; }

/* Reveal animation */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Back to top */
.back-top {
  position: fixed; right: 24px; bottom: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary-300);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  text-decoration: none;
  opacity: 0; visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-toast);
  border: none;
  cursor: pointer;
  box-shadow: var(--elevation-200);
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { transform: translateY(-3px); background: var(--primary-400); }