/* ==========================================================================
   D1 UNIVERSITY - DESIGN SYSTEM & STYLESHEET
   Based on Figma: D1 University Final UI & Components (node-id: 668-1292)
   Technologies: HTML5, CSS3, Bootstrap 5.3, Vanilla JavaScript
   ========================================================================== */

/* --- 1. DESIGN TOKENS & VARIABLES --- */
:root {
  /* Brand Primary & Accents (Extracted directly from Figma tokens) */
  --d1-primary: #5D5FEE;
  --d1-primary-hover: #4B4DDF;
  --d1-primary-active: #3C3ECA;
  --d1-primary-light: #EEF0FD;
  --d1-primary-subtle: rgba(93, 95, 238, 0.08);
  
  --d1-secondary: #272742;
  --d1-secondary-hover: #1A1A2E;
  
  --d1-accent-pink: #EF5EA7;
  --d1-accent-pink-hover: #D9468E;
  --d1-accent-pink-light: #FDF0F6;
  
  --d1-accent-teal: #10B981;
  --d1-accent-teal-light: #EBFBF7;
  
  --d1-peach: #F4DDDE;
  --d1-peach-dark: #8F4C52;
  
  --d1-gold: #F59E0B;
  --d1-gold-light: #FEF3C7;
  
  /* Neutrals & Surfaces */
  --d1-dark: #121324;
  --d1-text-main: #272742;
  --d1-text-muted: #6B7280;
  --d1-text-light: #9CA3AF;
  
  --d1-bg-page: #FAFAFC;
  --d1-surface: #FFFFFF;
  --d1-surface-alt: #F3F4F6;
  --d1-border: #E5E7EB;
  --d1-border-focus: #5D5FEE;
  
  /* Typography */
  --d1-font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --d1-font-crest: 'Cinzel', serif;
  --d1-font-mono: 'Space Grotesk', monospace;
  
  /* Radii */
  --d1-radius-sm: 6px;
  --d1-radius-md: 10px;
  --d1-radius-lg: 16px;
  --d1-radius-xl: 24px;
  --d1-radius-pill: 9999px;
  
  /* Elevations & Shadows */
  --d1-shadow-xs: 0 1px 2px rgba(39, 39, 66, 0.04);
  --d1-shadow-sm: 0 2px 6px rgba(39, 39, 66, 0.06);
  --d1-shadow-md: 0 8px 24px -4px rgba(39, 39, 66, 0.08);
  --d1-shadow-lg: 0 16px 40px -8px rgba(39, 39, 66, 0.12);
  --d1-shadow-primary: 0 8px 20px -4px rgba(93, 95, 238, 0.38);
  
  /* Transitions */
  --d1-transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --d1-transition-base: 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- 2. GLOBAL RESET & BASE RULES --- */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  font-family: var(--d1-font-main);
  background-color: var(--d1-bg-page);
  color: var(--d1-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--d1-primary);
  text-decoration: none;
  transition: color var(--d1-transition-fast);
}

a:hover {
  color: var(--d1-primary-hover);
}

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

/* --- 3. TYPOGRAPHY SYSTEM (MATCHING FIGMA SPEC) --- */
.h1-hero {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--d1-secondary);
}

.h1-figma, h1.d1-heading {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--d1-secondary);
}

.h2-figma, h2.d1-heading {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--d1-secondary);
}

.h3-figma, h3.d1-heading {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--d1-secondary);
}

.h4-figma, h4.d1-heading {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--d1-secondary);
}

.subtitle-figma {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--d1-text-muted);
}

.body-figma {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--d1-text-main);
}

.smaller-figma {
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--d1-text-muted);
}

.micro-figma {
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* Section Kickers / Editorial Eyebrows */
.d1-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--d1-primary);
  margin-bottom: 0.5rem;
}

.d1-eyebrow i {
  font-size: 1rem;
}

/* --- 4. TOP BAR & NAVIGATION --- */
.d1-utility-bar {
  background-color: var(--d1-secondary);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.4rem 0;
}

.d1-utility-link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  transition: color var(--d1-transition-fast);
}

.d1-utility-link:hover {
  color: #FFFFFF;
}

.d1-main-nav {
  background-color: var(--d1-surface);
  border-bottom: 1px solid var(--d1-border);
  transition: all var(--d1-transition-base);
  z-index: 1030;
}

.d1-main-nav.scrolled {
  box-shadow: var(--d1-shadow-md);
  border-bottom-color: transparent;
}

/* Brand Monogram & Crest */
.d1-brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.d1-brand-crest {
  width: 44px;
  height: 44px;
  border-radius: var(--d1-radius-md);
  background: linear-gradient(135deg, var(--d1-primary) 0%, #3B3DB8 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--d1-font-crest);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  box-shadow: 0 4px 12px rgba(93, 95, 238, 0.3);
}

.d1-brand-text {
  display: flex;
  flex-direction: column;
}

.d1-brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--d1-secondary);
  line-height: 1.1;
}

.d1-brand-tagline {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--d1-primary);
}

/* Nav Links */
.d1-nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--d1-secondary) !important;
  padding: 0.5rem 0.85rem !important;
  border-radius: var(--d1-radius-sm);
  transition: all var(--d1-transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.d1-nav-link:hover, .d1-nav-link.active {
  color: var(--d1-primary) !important;
  background-color: var(--d1-primary-subtle);
}

.d1-nav-link i.dropdown-chevron {
  font-size: 0.75rem;
  transition: transform var(--d1-transition-fast);
}

.nav-item.dropdown:hover .dropdown-chevron {
  transform: rotate(180deg);
}

.d1-dropdown-menu {
  border: 1px solid var(--d1-border);
  border-radius: var(--d1-radius-md);
  box-shadow: var(--d1-shadow-lg);
  padding: 0.75rem 0.5rem;
  min-width: 240px;
}

.d1-dropdown-item {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--d1-radius-sm);
  color: var(--d1-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.d1-dropdown-item:hover {
  background-color: var(--d1-primary-light);
  color: var(--d1-primary);
}

/* --- 5. BUTTONS (FIGMA SYSTEM) --- */
.btn-d1-primary {
  background-color: var(--d1-primary);
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.625rem 1.35rem;
  border-radius: var(--d1-radius-md);
  border: 1px solid var(--d1-primary);
  box-shadow: var(--d1-shadow-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  transition: all var(--d1-transition-fast);
}

.btn-d1-primary:hover {
  background-color: var(--d1-primary-hover);
  border-color: var(--d1-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -2px rgba(93, 95, 238, 0.45);
}

.btn-d1-primary:active {
  background-color: var(--d1-primary-active);
  transform: translateY(0);
}

.btn-d1-secondary {
  background-color: var(--d1-secondary);
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.625rem 1.35rem;
  border-radius: var(--d1-radius-md);
  border: 1px solid var(--d1-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  transition: all var(--d1-transition-fast);
}

.btn-d1-secondary:hover {
  background-color: var(--d1-secondary-hover);
  border-color: var(--d1-secondary-hover);
  transform: translateY(-1px);
}

.btn-d1-outline {
  background-color: transparent;
  color: var(--d1-secondary) !important;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.625rem 1.35rem;
  border-radius: var(--d1-radius-md);
  border: 1.5px solid var(--d1-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  transition: all var(--d1-transition-fast);
}

.btn-d1-outline:hover {
  border-color: var(--d1-primary);
  color: var(--d1-primary) !important;
  background-color: var(--d1-primary-light);
}

.btn-d1-outline-white {
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.625rem 1.35rem;
  border-radius: var(--d1-radius-md);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  transition: all var(--d1-transition-fast);
}

.btn-d1-outline-white:hover {
  background-color: #FFFFFF;
  color: var(--d1-secondary) !important;
  border-color: #FFFFFF;
}

.btn-d1-peach {
  background-color: var(--d1-peach);
  color: var(--d1-peach-dark) !important;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.625rem 1.35rem;
  border-radius: var(--d1-radius-md);
  border: 1px solid rgba(143, 76, 82, 0.2);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--d1-transition-fast);
}

.btn-d1-peach:hover {
  background-color: #ebd0d2;
  color: var(--d1-peach-dark) !important;
}

.btn-d1-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  border-radius: var(--d1-radius-sm);
}

.btn-d1-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.0625rem;
  border-radius: var(--d1-radius-lg);
}

.btn-d1-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--d1-radius-md);
}

/* --- 6. FORMS & INPUT CONTROLS --- */
.d1-form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--d1-secondary);
  margin-bottom: 0.375rem;
  display: block;
}

.d1-input {
  width: 100%;
  height: 48px;
  background-color: #FFFFFF;
  border: 1.5px solid var(--d1-border);
  border-radius: var(--d1-radius-md);
  padding: 0.625rem 1rem;
  font-size: 0.9375rem;
  color: var(--d1-text-main);
  transition: border-color var(--d1-transition-fast), box-shadow var(--d1-transition-fast);
  outline: none;
}

.d1-input::placeholder {
  color: var(--d1-text-light);
}

.d1-input:focus {
  border-color: var(--d1-primary);
  box-shadow: 0 0 0 3px rgba(93, 95, 238, 0.15);
}

.d1-input.is-invalid {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.d1-input:disabled {
  background-color: var(--d1-surface-alt);
  cursor: not-allowed;
  opacity: 0.7;
}

.d1-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23272742' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 14px 10px;
  padding-right: 2.5rem;
}

.d1-input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.d1-input-group i.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--d1-text-light);
  font-size: 1.1rem;
  pointer-events: none;
  z-index: 2;
}

.d1-input-group .d1-input {
  padding-left: 2.75rem;
}

/* --- 7. CARDS (REUSABLE STRUCTURES) --- */
.d1-card {
  background-color: var(--d1-surface);
  border: 1px solid var(--d1-border);
  border-radius: var(--d1-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--d1-shadow-sm);
  transition: transform var(--d1-transition-base), box-shadow var(--d1-transition-base), border-color var(--d1-transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.d1-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--d1-shadow-md);
  border-color: rgba(93, 95, 238, 0.25);
}

.d1-card-media {
  border-radius: var(--d1-radius-md);
  overflow: hidden;
  position: relative;
  margin-bottom: 1.25rem;
  background-color: var(--d1-surface-alt);
}

.d1-card-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.d1-card:hover .d1-card-media img {
  transform: scale(1.04);
}

.d1-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.d1-card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--d1-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Academic Program Card */
.program-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--d1-radius-md);
  background-color: var(--d1-primary-light);
  color: var(--d1-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.program-icon-box.pink {
  background-color: var(--d1-accent-pink-light);
  color: var(--d1-accent-pink);
}

.program-icon-box.teal {
  background-color: var(--d1-accent-teal-light);
  color: var(--d1-accent-teal);
}

/* Quick Stat Metric Card */
.d1-stat-card {
  background-color: #FFFFFF;
  border: 1px solid var(--d1-border);
  border-radius: var(--d1-radius-lg);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--d1-shadow-sm);
  text-align: center;
}

.d1-stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1;
  color: var(--d1-primary);
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.d1-stat-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--d1-secondary);
  line-height: 1.3;
}

.d1-stat-subtext {
  font-size: 0.8125rem;
  color: var(--d1-text-muted);
  margin-top: 0.25rem;
}

/* --- 8. BADGES & STATUS INDICATORS --- */
.d1-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--d1-radius-pill);
  line-height: 1.2;
}

.d1-badge-primary {
  background-color: var(--d1-primary-light);
  color: var(--d1-primary);
}

.d1-badge-secondary {
  background-color: var(--d1-surface-alt);
  color: var(--d1-secondary);
}

.d1-badge-pink {
  background-color: var(--d1-accent-pink-light);
  color: var(--d1-accent-pink);
}

.d1-badge-teal {
  background-color: var(--d1-accent-teal-light);
  color: var(--d1-accent-teal);
}

.d1-badge-peach {
  background-color: var(--d1-peach);
  color: var(--d1-peach-dark);
}

/* --- 9. TABS & SEGMENTED CONTROLS --- */
.d1-tabs-nav {
  display: flex;
  gap: 0.5rem;
  background-color: #EDF1F5;
  padding: 0.35rem;
  border-radius: var(--d1-radius-md);
  border: 1px solid var(--d1-border);
  overflow-x: auto;
  white-space: nowrap;
}

.d1-tab-btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--d1-text-muted);
  border: none;
  background: transparent;
  border-radius: var(--d1-radius-sm);
  transition: all var(--d1-transition-fast);
  cursor: pointer;
}

.d1-tab-btn:hover {
  color: var(--d1-secondary);
}

.d1-tab-btn.active {
  background-color: #FFFFFF;
  color: var(--d1-primary);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

/* --- 10. ACCORDIONS --- */
.d1-accordion .accordion-item {
  border: 1px solid var(--d1-border);
  border-radius: var(--d1-radius-md) !important;
  margin-bottom: 0.75rem;
  overflow: hidden;
  box-shadow: var(--d1-shadow-xs);
}

.d1-accordion .accordion-button {
  font-size: 1rem;
  font-weight: 600;
  color: var(--d1-secondary);
  background-color: #FFFFFF;
  padding: 1.125rem 1.25rem;
  box-shadow: none;
}

.d1-accordion .accordion-button:not(.collapsed) {
  color: var(--d1-primary);
  background-color: var(--d1-primary-light);
}

.d1-accordion .accordion-button:focus {
  border-color: transparent;
  box-shadow: none;
}

.d1-accordion .accordion-body {
  padding: 1.25rem;
  font-size: 0.9375rem;
  color: var(--d1-text-muted);
  line-height: 1.6;
}

/* --- 11. TABLES --- */
.d1-table-wrapper {
  background-color: #FFFFFF;
  border: 1px solid var(--d1-border);
  border-radius: var(--d1-radius-lg);
  overflow: hidden;
  box-shadow: var(--d1-shadow-sm);
}

.d1-table {
  width: 100%;
  margin-bottom: 0;
  border-collapse: collapse;
}

.d1-table th {
  background-color: #F8FAFC;
  color: var(--d1-secondary);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--d1-border);
}

.d1-table td {
  padding: 1rem 1.25rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--d1-border);
  color: var(--d1-text-main);
  font-size: 0.9375rem;
}

.d1-table tbody tr:last-child td {
  border-bottom: none;
}

.d1-table tbody tr:hover td {
  background-color: var(--d1-primary-subtle);
}

/* --- 12. HERO SECTION --- */
.d1-hero {
  position: relative;
  background-color: var(--d1-secondary);
  color: #FFFFFF;
  padding: 5rem 0 6rem;
  overflow: hidden;
}

.d1-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(93, 95, 238, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.d1-hero-media-wrapper {
  position: relative;
  border-radius: var(--d1-radius-xl);
  overflow: hidden;
  box-shadow: var(--d1-shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.d1-hero-media-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.d1-hero-floating-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  padding: 1rem 1.25rem;
  border-radius: var(--d1-radius-lg);
  box-shadow: var(--d1-shadow-md);
  color: var(--d1-secondary);
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 320px;
}

/* --- 13. ATHLETICS TICKER & SECTION --- */
.d1-athletics-strip {
  background: linear-gradient(135deg, #16142C 0%, #272742 100%);
  color: #FFFFFF;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.d1-match-chip {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--d1-radius-md);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8125rem;
}

/* --- 14. FOOTER --- */
.d1-footer {
  background-color: #121324;
  color: rgba(255, 255, 255, 0.7);
  padding: 5rem 0 2rem;
  font-size: 0.9375rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.d1-footer-title {
  color: #FFFFFF;
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.d1-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.d1-footer-links li {
  margin-bottom: 0.65rem;
}

.d1-footer-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color var(--d1-transition-fast);
}

.d1-footer-links a:hover {
  color: #FFFFFF;
  padding-left: 3px;
}

.d1-footer-bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Social Icon Buttons */
.d1-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--d1-transition-fast);
}

.d1-social-btn:hover {
  background-color: var(--d1-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* --- 15. COMPONENT SHOWCASE (For components.html) --- */
.component-section {
  padding: 2.5rem;
  background-color: #FFFFFF;
  border: 1px solid var(--d1-border);
  border-radius: var(--d1-radius-lg);
  margin-bottom: 2rem;
  box-shadow: var(--d1-shadow-xs);
}

.component-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--d1-secondary);
  border-bottom: 2px solid var(--d1-primary-light);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.color-swatch {
  height: 90px;
  border-radius: var(--d1-radius-md);
  margin-bottom: 0.5rem;
  box-shadow: var(--d1-shadow-xs);
  display: flex;
  align-items: flex-end;
  padding: 0.5rem;
  font-weight: 700;
  font-size: 0.75rem;
}

/* --- 16. RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 991.98px) {
  .h1-hero {
    font-size: 2.25rem;
  }
  .d1-hero {
    padding: 3.5rem 0 4rem;
  }
  .d1-hero-media-wrapper img {
    height: 340px;
  }
  .component-section {
    padding: 1.5rem;
  }
  
  /* Mobile Navigation Consistency */
  .d1-main-nav .navbar-collapse {
    background-color: #FFFFFF;
    border-radius: var(--d1-radius-lg);
    box-shadow: var(--d1-shadow-lg);
    padding: 1.25rem;
    margin-top: 0.75rem;
    border: 1px solid var(--d1-border);
  }
  .d1-main-nav .navbar-nav {
    gap: 0.25rem !important;
  }
  .d1-main-nav .d1-nav-link {
    padding: 0.65rem 1rem !important;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .d1-main-nav .nav-cta-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--d1-border);
  }
  .d1-main-nav .nav-cta-group .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 767.98px) {
  .d1-hero-floating-badge {
    position: static;
    max-width: 100%;
    margin-top: 1rem;
  }
  .d1-stat-card {
    padding: 1.25rem 1rem;
  }
  .d1-stat-number {
    font-size: 2.25rem;
  }
  .d1-tabs-nav {
    justify-content: flex-start;
  }
  .d1-footer {
    padding: 3.5rem 0 2rem;
  }
  .d1-footer-bottom {
    margin-top: 2.5rem;
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}