/* ==========================================================================
   Vercel Geist Design System & Utility Styles
   Adapted from DESIGN.md
   ========================================================================== */

:root {
  /* Light Theme (Default) */
  --color-canvas: #fafafa;
  --color-canvas-elevated: #ffffff;
  --color-canvas-subtle: #f5f5f5;
  --color-canvas-hover: #f0f0f0;

  --color-ink: #171717;
  --color-on-ink: #ffffff;
  --color-body: #4d4d4d;
  --color-mute: #8f8f8f;
  --color-faint: #a1a1a1;

  --color-hairline: #ebebeb;
  --color-hairline-soft: #f2f2f2;
  --color-hairline-strong: #d4d4d4;

  --color-primary: #171717;
  --color-on-primary: #ffffff;

  --color-blue: #0070f3;
  --color-blue-deep: #0761d1;
  --color-blue-soft: #e8f2ff;
  
  --color-emerald: #10b981;
  --color-emerald-soft: #ecfdf5;

  --color-amber: #f5a623;
  --color-amber-soft: #fffbeb;

  --color-rose: #ee0000;
  --color-rose-soft: #fef2f2;

  --color-violet: #7928ca;
  --color-violet-soft: #fbf5ff;
  --color-cyan: #00dfd8;

  /* Typography */
  --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-flat: none;
  --shadow-whisper: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-floating: 0 4px 14px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-elevated: 0 12px 32px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme */
html.dark {
  --color-canvas: #0a0a0a;
  --color-canvas-elevated: #121212;
  --color-canvas-subtle: #181818;
  --color-canvas-hover: #222222;

  --color-ink: #ededed;
  --color-on-ink: #000000;
  --color-body: #a1a1a1;
  --color-mute: #737373;
  --color-faint: #525252;

  --color-hairline: #262626;
  --color-hairline-soft: #1c1c1c;
  --color-hairline-strong: #383838;

  --color-primary: #ededed;
  --color-on-primary: #0a0a0a;

  --color-blue: #3291ff;
  --color-blue-deep: #0070f3;
  --color-blue-soft: #081a33;

  --color-emerald: #34d399;
  --color-emerald-soft: #052e16;

  --color-amber: #fbbf24;
  --color-amber-soft: #2d1c03;

  --color-rose: #f87171;
  --color-rose-soft: #2e0808;

  --color-violet: #a855f7;
  --color-violet-soft: #240838;
  --color-cyan: #22d3ee;

  --shadow-whisper: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-floating: 0 4px 20px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-elevated: 0 14px 40px rgba(0, 0, 0, 0.7), 0 2px 8px rgba(0, 0, 0, 0.4);
}

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

html {
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--color-canvas);
  color: var(--color-body);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--color-body);
  background-color: var(--color-canvas);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  overflow-x: hidden;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-ink);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.display-xl {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
  font-weight: 700;
}

.heading-lg {
  font-size: 1.875rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
  font-weight: 600;
}

.heading-md {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
  font-weight: 600;
}

.mono-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-mute);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Hero Mesh Glow */
.hero-glow-wrap {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1100px;
  height: 480px;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.hero-mesh {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 450px;
  background: radial-gradient(circle at 20% 30%, rgba(0, 223, 216, 0.16), transparent 50%),
              radial-gradient(circle at 50% 20%, rgba(121, 40, 202, 0.18), transparent 55%),
              radial-gradient(circle at 80% 35%, rgba(255, 0, 128, 0.14), transparent 50%),
              radial-gradient(circle at 50% 80%, rgba(249, 203, 40, 0.12), transparent 50%);
  filter: blur(60px);
  border-radius: 50%;
  opacity: 0.85;
}

html.dark .hero-mesh {
  opacity: 0.55;
  filter: blur(80px);
}

/* Accessibility */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border-width: 0 !important;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Cards & Surfaces */
.geist-card {
  background-color: var(--color-canvas-elevated);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-whisper);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.geist-card:hover {
  border-color: var(--color-hairline-strong);
}

.geist-card-floating {
  box-shadow: var(--shadow-floating);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  padding: 0.5rem 0.875rem;
  line-height: 1.25;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: scale(0.985);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-pill {
  border-radius: var(--radius-pill);
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
}

.btn-secondary {
  background-color: var(--color-canvas-elevated);
  color: var(--color-ink);
  border-color: var(--color-hairline);
}

.btn-secondary:hover {
  background-color: var(--color-canvas-subtle);
  border-color: var(--color-hairline-strong);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-body);
  border-color: transparent;
}

.btn-ghost:hover {
  color: var(--color-ink);
  background-color: var(--color-canvas-subtle);
}

.btn-danger {
  background-color: var(--color-rose-soft);
  color: var(--color-rose);
  border-color: transparent;
}

.btn-danger:hover {
  background-color: var(--color-rose);
  color: #ffffff;
}

.btn-icon {
  padding: 0.5rem;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

/* Form Controls */
.form-input, .form-select {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-hairline);
  background-color: var(--color-canvas-elevated);
  color: var(--color-ink);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 1px var(--color-blue);
}

.form-input::placeholder {
  color: var(--color-faint);
}

.form-input-mono {
  font-family: var(--font-mono);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-hairline);
  background-color: var(--color-canvas-subtle);
  color: var(--color-ink);
}

.badge-blue {
  background-color: var(--color-blue-soft);
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.badge-green {
  background-color: var(--color-emerald-soft);
  border-color: var(--color-emerald);
  color: var(--color-emerald);
}

.badge-amber {
  background-color: var(--color-amber-soft);
  border-color: var(--color-amber);
  color: var(--color-amber);
}

.badge-red {
  background-color: var(--color-rose-soft);
  border-color: var(--color-rose);
  color: var(--color-rose);
}

/* Tab Navigation */
.tabs-header {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--color-canvas-subtle);
  padding: 0.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-hairline);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-header::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-mute);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

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

.tab-btn.active {
  background: var(--color-canvas-elevated);
  color: var(--color-ink);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Secondary Calculator Navigation Suite */
.subnav-calc-section {
  max-width: 960px;
  margin: 0 auto 2.25rem auto;
  padding: 0 1rem;
}

.subnav-calc-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 768px) {
  .subnav-calc-columns {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.subnav-calc-group {
  background: var(--color-canvas-subtle);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.875rem;
}

.subnav-calc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  padding: 0 0.25rem;
}

.subnav-calc-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-mute);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.subnav-calc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.subnav-calc-card {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.7rem;
  background: var(--color-canvas-elevated);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-sm);
  color: var(--color-body);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  outline: none;
  position: relative;
  min-height: 48px;
}

.subnav-calc-card:hover {
  border-color: var(--color-hairline-hover);
  color: var(--color-ink);
  transform: translateY(-1px);
}

.subnav-calc-card.active {
  border-color: var(--color-blue);
  background: var(--color-canvas-elevated);
  color: var(--color-ink);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.subnav-calc-card.active .subnav-card-icon {
  color: var(--color-blue);
}

.subnav-calc-card.active::after {
  content: '';
  position: absolute;
  top: 6px;
  right: 6px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-blue);
}

.subnav-card-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mute);
  transition: color var(--transition-fast);
}

.subnav-card-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.subnav-card-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.subnav-card-desc {
  font-size: 0.6875rem;
  color: var(--color-mute);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-panel {
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-canvas-elevated);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
  padding: 1.75rem;
  transform: scale(0.96) translateY(8px);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.open .modal-panel {
  transform: scale(1) translateY(0);
}

/* Mobile-only element hiding on desktop */
.mobile-input-label {
  display: none;
}

.quick-sem-card-row .sem-sgpa-input {
  max-width: 200px;
}

.quick-sem-card-row .sem-credits-input {
  max-width: 220px;
}

/* ==========================================================================
   Mobile Responsiveness & Adaptive Utilities
   ========================================================================== */

/* ==========================================================================
   Header Navigation Bar & Component Alignment
   ========================================================================== */

.site-header {
  border-bottom: 1px solid var(--color-hairline);
  background: var(--color-canvas);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.site-header-inner {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  height: 60px;
  gap: 0.5rem;
  flex-wrap: nowrap !important;
}

/* Left Group */
.header-left-group {
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem;
  min-width: 0;
  flex: 0 1 auto;
}

.header-brand {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-ink);
  flex-shrink: 0;
}

.header-brand-icon {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-on-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.header-brand-title {
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.header-divider {
  color: var(--color-hairline);
  font-size: 1.125rem;
  line-height: 1;
  user-select: none;
  flex-shrink: 0;
}

/* Course Selector & Plus Button */
.header-course-wrap {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.35rem;
  min-width: 0;
}

.header-course-select {
  height: 32px !important;
  min-height: 32px !important;
  max-height: 32px !important;
  font-size: 0.8125rem !important;
  padding: 0 0.5rem !important;
  line-height: 30px !important;
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--color-hairline) !important;
  background-color: var(--color-canvas-elevated) !important;
  color: var(--color-ink) !important;
  width: auto;
  max-width: 140px;
  min-width: 75px;
  text-overflow: ellipsis;
  box-sizing: border-box !important;
  vertical-align: middle;
}

.header-course-add-btn {
  width: 32px !important;
  min-width: 32px !important;
  max-width: 32px !important;
  height: 32px !important;
  min-height: 32px !important;
  max-height: 32px !important;
  padding: 0 !important;
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--color-hairline) !important;
  background-color: var(--color-canvas-elevated) !important;
  color: var(--color-body) !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.header-course-add-btn:hover {
  color: var(--color-ink) !important;
  border-color: var(--color-hairline-strong) !important;
  background-color: var(--color-canvas-subtle) !important;
}

/* Right Action Controls */
.header-actions-group {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.35rem;
  flex-shrink: 0;
  flex-wrap: nowrap !important;
}

.header-action-btn {
  height: 32px !important;
  min-height: 32px !important;
  max-height: 32px !important;
  padding: 0 0.625rem !important;
  font-size: 0.8125rem !important;
  border-radius: var(--radius-sm) !important;
  border: 1px solid transparent !important;
  background: transparent !important;
  color: var(--color-body) !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.35rem !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
  white-space: nowrap !important;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.header-action-btn:hover {
  color: var(--color-ink) !important;
  background-color: var(--color-canvas-subtle) !important;
}

.header-action-btn.icon-only {
  width: 32px !important;
  min-width: 32px !important;
  max-width: 32px !important;
  padding: 0 !important;
}

/* Breakpoints for Header */
@media (max-width: 768px) {
  .site-header-inner {
    height: 56px;
    gap: 0.4rem;
  }
  .header-btn-label {
    display: none !important;
  }
  .header-action-btn {
    width: 32px !important;
    min-width: 32px !important;
    max-width: 32px !important;
    padding: 0 !important;
  }
  .header-print-btn {
    display: none !important;
  }
}

/* Mobile (max-width: 520px) -> Clean single horizontal row:
   Logo/brand → Course selector → Language → Theme */
@media (max-width: 520px) {
  .site-header-inner {
    height: 52px;
    padding: 0 0.5rem !important;
    gap: 0.35rem !important;
    justify-content: space-between !important;
  }

  .header-divider {
    display: none !important;
  }

  /* Secondary controls hidden on mobile to guarantee a clean, non-overlapping single row */
  #open-scale-modal-btn,
  #share-state-btn,
  .header-print-btn {
    display: none !important;
  }

  .header-left-group {
    gap: 0.35rem !important;
    flex: 1 1 auto;
    min-width: 0;
  }

  .header-brand {
    gap: 0.35rem !important;
    flex-shrink: 0;
  }

  .header-brand-icon {
    width: 26px !important;
    height: 26px !important;
  }

  .header-brand-icon svg {
    width: 14px !important;
    height: 14px !important;
  }

  .header-brand-title {
    font-size: 0.875rem !important;
  }

  .header-course-wrap {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 140px;
    gap: 0.25rem !important;
  }

  .header-course-select {
    height: 30px !important;
    min-height: 30px !important;
    max-height: 30px !important;
    line-height: 28px !important;
    font-size: 0.75rem !important;
    padding: 0 0.35rem !important;
    min-width: 0 !important;
    width: 100% !important;
    max-width: 105px !important;
    flex: 1 1 auto;
  }

  .header-course-add-btn {
    width: 30px !important;
    min-width: 30px !important;
    max-width: 30px !important;
    height: 30px !important;
    min-height: 30px !important;
    max-height: 30px !important;
    padding: 0 !important;
  }

  .header-actions-group {
    gap: 0.3rem !important;
    flex-shrink: 0;
  }

  #theme-toggle-btn {
    width: 30px !important;
    min-width: 30px !important;
    max-width: 30px !important;
    height: 30px !important;
    min-height: 30px !important;
    max-height: 30px !important;
    padding: 0 !important;
  }
}

/* Extra small mobile (max-width: 360px down to 320px) */
@media (max-width: 360px) {
  .site-header-inner {
    padding: 0 0.35rem !important;
    gap: 0.25rem !important;
  }

  .header-left-group {
    gap: 0.25rem !important;
  }

  .header-brand-title {
    font-size: 0.8125rem !important;
  }

  .header-course-select {
    max-width: 80px !important;
    font-size: 0.6875rem !important;
    padding: 0 0.25rem !important;
  }

  .header-actions-group {
    gap: 0.2rem !important;
  }
}

/* Ultra small mobile (max-width: 335px) */
@media (max-width: 335px) {
  .header-brand-title {
    display: none !important;
  }
}

@media (max-width: 680px) {
  .display-xl {
    font-size: 1.875rem !important;
    letter-spacing: -0.03em;
    line-height: 1.15 !important;
  }

  .heading-lg {
    font-size: 1.35rem !important;
    letter-spacing: -0.02em;
  }

  .heading-md {
    font-size: 1.05rem !important;
  }

  .container {
    padding: 0 0.875rem !important;
  }

  .geist-card {
    padding: 1.125rem !important;
  }

  /* Prevent iOS auto-zoom on input focus */
  .form-input, .form-select {
    font-size: 16px !important;
    padding: 0.5rem 0.65rem !important;
  }

  .btn {
    min-height: 38px;
    font-size: 0.8125rem;
    padding: 0.45rem 0.75rem;
  }

  /* Tab navigation on mobile */
  .tabs-header {
    width: 100%;
    display: flex;
    gap: 0.25rem;
    padding: 0.25rem;
  }

  .tab-btn {
    flex: 1;
    justify-content: center;
    padding: 0.5rem 0.4rem;
    font-size: 0.75rem;
  }

  .tab-btn svg {
    display: none;
  }

  .tab-label-full {
    display: none !important;
  }

  .tab-label-short {
    display: inline !important;
  }

  /* Column dividers when stacked */
  .responsive-col-divider {
    border-left: none !important;
    border-top: 1px solid var(--color-hairline) !important;
    padding-left: 0 !important;
    padding-top: 1rem !important;
  }

  /* Mobile Card view for dynamic tables */
  .mobile-table-card-wrap table,
  .mobile-table-card-wrap thead,
  .mobile-table-card-wrap tbody,
  .mobile-table-card-wrap tr,
  .mobile-table-card-wrap td {
    display: block;
    width: 100%;
  }

  .mobile-table-card-wrap thead {
    display: none !important;
  }

  /* Compact, content-fitted cards on mobile */
  .mobile-card-row {
    display: grid !important;
    grid-template-columns: repeat(6, 1fr) !important;
    gap: 0.5rem 0.5rem !important;
    padding: 0.875rem 1rem !important;
    background: var(--color-canvas-subtle) !important;
    border: 1px solid var(--color-hairline) !important;
    border-radius: var(--radius-md) !important;
    margin-bottom: 0.75rem !important;
    box-shadow: var(--shadow-whisper);
    height: auto !important;
    min-height: 0 !important;
    align-content: start !important;
    box-sizing: border-box !important;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  }

  .mobile-card-row:focus-within {
    border-color: var(--color-blue);
    box-shadow: 0 0 0 1px var(--color-blue), var(--shadow-whisper);
  }

  .mobile-card-row td {
    padding: 0 !important;
    border: none !important;
  }

  /* Row 1: Assignment / Course Name and Delete button */
  .mobile-card-row .td-name {
    grid-column: 1 / 6 !important;
    grid-row: 1 !important;
  }

  .mobile-card-row .td-delete {
    grid-column: 6 / 7 !important;
    grid-row: 1 !important;
    display: flex !important;
    justify-content: flex-end !important;
    align-items: flex-end !important;
  }

  .mobile-card-row .td-delete .btn-icon {
    width: 36px !important;
    height: 36px !important;
    padding: 0.35rem !important;
    border-radius: var(--radius-sm);
    color: var(--color-mute);
  }

  .mobile-card-row .td-delete .btn-icon:hover {
    color: var(--color-rose);
    background: var(--color-rose-soft);
  }

  /* Row 2: Inputs side-by-side */
  .mobile-card-row .td-score {
    grid-column: 1 / 4 !important;
    grid-row: 2 !important;
  }

  .mobile-card-row .td-weight {
    grid-column: 4 / 7 !important;
    grid-row: 2 !important;
  }

  /* Points mode: 3 columns */
  .mobile-card-row.has-max .td-score {
    grid-column: 1 / 3 !important;
    grid-row: 2 !important;
  }

  .mobile-card-row.has-max .td-max {
    grid-column: 3 / 5 !important;
    grid-row: 2 !important;
    display: block !important;
  }

  .mobile-card-row.has-max .td-weight {
    grid-column: 5 / 7 !important;
    grid-row: 2 !important;
  }

  /* Row 3: Drop lowest or footer */
  .mobile-card-row .td-drop {
    grid-column: 1 / 7 !important;
    grid-row: 3 !important;
    padding-top: 0.4rem !important;
    border-top: 1px solid var(--color-hairline-soft) !important;
    display: flex !important;
    align-items: center;
    justify-content: space-between;
  }

  /* GPA Card Specifics */
  .mobile-card-row .td-gpa-title {
    grid-column: 1 / 6 !important;
    grid-row: 1 !important;
  }

  .mobile-card-row .td-gpa-delete {
    grid-column: 6 / 7 !important;
    grid-row: 1 !important;
    display: flex !important;
    justify-content: flex-end !important;
    align-items: flex-end !important;
  }

  .mobile-card-row .td-gpa-grade {
    grid-column: 1 / 4 !important;
    grid-row: 2 !important;
  }

  .mobile-card-row .td-gpa-credits {
    grid-column: 4 / 7 !important;
    grid-row: 2 !important;
  }

  .mobile-card-row .td-gpa-type {
    grid-column: 1 / 7 !important;
    grid-row: 3 !important;
    padding-top: 0.4rem !important;
    border-top: 1px solid var(--color-hairline-soft) !important;
  }

  /* Semester CGPA Compact Card Layout */
  .mobile-card-row.sem-card-row {
    padding: 0.75rem 0.875rem !important;
    gap: 0.45rem 0.5rem !important;
  }

  .mobile-card-row.sem-card-row .td-cgpa-name {
    grid-column: 1 / 6 !important;
    grid-row: 1 !important;
  }

  .mobile-card-row.sem-card-row .td-cgpa-del {
    grid-column: 6 / 7 !important;
    grid-row: 1 !important;
    display: flex !important;
    justify-content: flex-end !important;
    align-items: flex-end !important;
    padding-bottom: 2px !important;
  }

  .mobile-card-row.sem-card-row .td-cgpa-del .btn-icon {
    width: 36px !important;
    height: 36px !important;
    padding: 0.35rem !important;
    border-radius: var(--radius-sm);
    color: var(--color-mute);
  }

  .mobile-card-row.sem-card-row .td-cgpa-del .btn-icon:hover {
    color: var(--color-rose);
    background: var(--color-rose-soft);
  }

  .mobile-card-row.sem-card-row .td-cgpa-point {
    grid-column: 1 / 4 !important;
    grid-row: 2 !important;
  }

  .mobile-card-row.sem-card-row .td-cgpa-credits {
    grid-column: 4 / 7 !important;
    grid-row: 2 !important;
  }

  .mobile-card-row.sem-card-row .td-cgpa-pts-earned {
    grid-column: 1 / 7 !important;
    grid-row: 3 !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding-top: 0.35rem !important;
    border-top: 1px solid var(--color-hairline-soft) !important;
    margin-top: 0.15rem !important;
  }

  .mobile-card-row.sem-card-row .td-cgpa-pts-earned .mobile-input-label {
    margin-bottom: 0 !important;
  }

  /* Quick Semester SGPA/CGPA Input Cards (Indian CGPA View 2) */
  .mobile-card-row.quick-sem-card-row {
    grid-template-columns: repeat(12, 1fr) !important;
    column-gap: 0.75rem !important;
    row-gap: 0.625rem !important;
    padding: 0.875rem 1rem !important;
  }

  .mobile-card-row.quick-sem-card-row .td-quick-sem-name {
    grid-column: 1 / 11 !important;
    grid-row: 1 !important;
    display: flex !important;
    align-items: center !important;
    min-height: 34px !important;
  }

  .mobile-card-row.quick-sem-card-row .td-quick-sem-name .quick-sem-title {
    font-size: 0.9375rem !important;
    font-weight: 600 !important;
    color: var(--color-ink) !important;
    letter-spacing: -0.01em !important;
  }

  .mobile-card-row.quick-sem-card-row .td-quick-sem-del {
    grid-column: 11 / 13 !important;
    grid-row: 1 !important;
    display: flex !important;
    justify-content: flex-end !important;
    align-items: center !important;
    min-height: 34px !important;
  }

  .mobile-card-row.quick-sem-card-row .td-quick-sem-del .btn-icon {
    width: 34px !important;
    height: 34px !important;
    padding: 0.35rem !important;
    border-radius: var(--radius-sm);
    color: var(--color-mute);
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-card-row.quick-sem-card-row .td-quick-sem-del .btn-icon:hover {
    color: var(--color-rose);
    background: var(--color-rose-soft);
  }

  .mobile-card-row.quick-sem-card-row .td-quick-sem-sgpa {
    grid-column: 1 / 6 !important;
    grid-row: 2 !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .mobile-card-row.quick-sem-card-row .td-quick-sem-credits {
    grid-column: 6 / 13 !important;
    grid-row: 2 !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .mobile-card-row.quick-sem-card-row .td-quick-sem-sgpa .mobile-input-label,
  .mobile-card-row.quick-sem-card-row .td-quick-sem-credits .mobile-input-label {
    min-height: 26px !important;
    display: flex !important;
    align-items: flex-end !important;
    font-size: 0.6875rem !important;
    color: var(--color-mute) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    margin-bottom: 0.35rem !important;
    line-height: 1.25 !important;
    font-weight: 600 !important;
  }

  .mobile-card-row.quick-sem-card-row .sem-sgpa-input,
  .mobile-card-row.quick-sem-card-row .sem-credits-input {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    height: 42px !important;
    font-size: 16px !important;
    border-radius: var(--radius-sm) !important;
  }

  .mobile-card-row.quick-sem-card-row .sem-sgpa-input {
    padding: 0.55rem 0.75rem !important;
  }

  .mobile-card-row.quick-sem-card-row .sem-credits-input {
    padding: 0.55rem 0.85rem !important;
  }

  /* Indian CGPA, SGPA & What-If Subject Cards */
  .mobile-card-row.subject-card-row {
    padding: 0.75rem 0.875rem !important;
    gap: 0.45rem 0.5rem !important;
  }

  .mobile-card-row.subject-card-row .td-cgpa-name {
    grid-column: 1 / 6 !important;
    grid-row: 1 !important;
  }

  .mobile-card-row.subject-card-row .td-cgpa-del {
    grid-column: 6 / 7 !important;
    grid-row: 1 !important;
    display: flex !important;
    justify-content: flex-end !important;
    align-items: flex-end !important;
    padding-bottom: 2px !important;
  }

  .mobile-card-row.subject-card-row .td-cgpa-del .btn-icon {
    width: 36px !important;
    height: 36px !important;
    padding: 0.35rem !important;
    border-radius: var(--radius-sm);
    color: var(--color-mute);
  }

  .mobile-card-row.subject-card-row .td-cgpa-del .btn-icon:hover {
    color: var(--color-rose);
    background: var(--color-rose-soft);
  }

  .mobile-card-row.subject-card-row .td-cgpa-grade {
    grid-column: 1 / 4 !important;
    grid-row: 2 !important;
  }

  .mobile-card-row.subject-card-row .td-cgpa-point {
    grid-column: 4 / 7 !important;
    grid-row: 2 !important;
  }

  .mobile-card-row.subject-card-row .td-cgpa-credits {
    grid-column: 1 / 4 !important;
    grid-row: 3 !important;
  }

  .mobile-card-row.subject-card-row .td-cgpa-pts-earned {
    grid-column: 4 / 7 !important;
    grid-row: 3 !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: flex-end !important;
    text-align: right !important;
  }

  .mobile-input-label {
    display: block !important;
    font-size: 0.6875rem;
    color: var(--color-mute);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.25rem;
    font-weight: 600;
  }

  /* Mobile Matrix Table */
  .matrix-table th, .matrix-table td {
    padding: 0.45rem 0.5rem !important;
    font-size: 0.75rem !important;
  }

  /* Modal panel sizing on mobile */
  .modal-panel {
    padding: 1.125rem !important;
    margin: 0.5rem !important;
    max-height: 85vh;
  }
}

@media (min-width: 681px) {
  .tab-label-short {
    display: none !important;
  }
}

/* FAQ Accordion Styling (Universal Desktop & Mobile) */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-sm);
  background: var(--color-canvas-subtle);
  overflow: hidden;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--color-hairline-strong);
  background: var(--color-canvas-elevated);
}

.faq-question {
  padding: 0.875rem 1.125rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  gap: 0.75rem !important;
  list-style: none !important;
  user-select: none;
}

.faq-question::-webkit-details-marker,
.faq-question::marker {
  display: none !important;
}

.faq-question span {
  flex: 1 1 auto;
  min-width: 0;
  line-height: 1.45;
  word-break: break-word;
}

.faq-chevron {
  width: 18px !important;
  min-width: 18px !important;
  max-width: 18px !important;
  height: 18px !important;
  min-height: 18px !important;
  max-height: 18px !important;
  flex: 0 0 18px !important;
  flex-shrink: 0 !important;
  color: var(--color-mute) !important;
  transition: transform var(--transition-fast);
  transform-origin: center;
  display: block !important;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg) !important;
  color: var(--color-ink) !important;
}

.faq-answer {
  padding: 0 1.125rem 1rem 1.125rem !important;
  font-size: 0.875rem !important;
  color: var(--color-body);
  line-height: 1.6 !important;
  border-top: 1px solid var(--color-hairline-soft);
  margin-top: 0.25rem;
  padding-top: 0.75rem !important;
  word-break: break-word;
}

/* Responsive FAQ Adjustments for Mobile (<768px) */
@media (max-width: 767px) {
  .faq-list {
    gap: 0.625rem;
  }

  .faq-question {
    padding: 0.75rem 0.875rem !important;
    font-size: 0.875rem !important;
    gap: 0.5rem !important;
  }

  .faq-chevron {
    width: 16px !important;
    min-width: 16px !important;
    max-width: 16px !important;
    height: 16px !important;
    min-height: 16px !important;
    max-height: 16px !important;
    flex: 0 0 16px !important;
  }

  .faq-answer {
    padding: 0 0.875rem 0.875rem 0.875rem !important;
    font-size: 0.8125rem !important;
    line-height: 1.55 !important;
    padding-top: 0.625rem !important;
  }
}

/* SEO Article Collapsible Preview */
.seo-article-card {
  position: relative;
}

.seo-content-collapsed {
  max-height: 380px;
  overflow: hidden;
  position: relative;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.seo-content-expanded {
  max-height: 5000px !important;
  overflow: visible !important;
  transition: max-height 0.6s ease-in-out;
}

.seo-fade-overlay {
  position: absolute;
  bottom: 4.75rem;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(to bottom, rgba(17, 17, 17, 0) 0%, var(--color-canvas-elevated) 90%);
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1;
}

:root:not(.dark) .seo-fade-overlay {
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, var(--color-canvas-elevated) 90%);
}

.seo-toggle-wrapper {
  text-align: center;
  margin-top: 1.25rem;
  position: relative;
  z-index: 2;
}

.seo-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  border-radius: var(--radius-sm);
  background: var(--color-canvas-subtle);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  box-shadow: var(--shadow-whisper);
}

.seo-toggle-btn:hover {
  background: var(--color-canvas-elevated);
  border-color: var(--color-hairline-strong);
}

@media (max-width: 767px) {
  .seo-content-collapsed {
    max-height: 250px;
  }
  .seo-fade-overlay {
    height: 110px;
    bottom: 4.25rem;
  }
}

/* FAQ Collapsible Preview */
.faq-card {
  position: relative;
}

.faq-more-collapsed {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-more-expanded {
  max-height: 6000px !important;
  opacity: 1 !important;
  overflow: visible !important;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: max-height 0.6s ease-in-out, opacity 0.3s ease;
}

.faq-fade-overlay {
  position: absolute;
  bottom: 4.5rem;
  left: 0;
  right: 0;
  height: 90px;
  background: linear-gradient(to bottom, rgba(17, 17, 17, 0) 0%, var(--color-canvas-elevated) 90%);
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1;
}

:root:not(.dark) .faq-fade-overlay {
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, var(--color-canvas-elevated) 90%);
}

.faq-toggle-wrapper {
  text-align: center;
  margin-top: 1.25rem;
  position: relative;
  z-index: 2;
}

@media (max-width: 767px) {
  .faq-more-collapsed {
    gap: 0.625rem;
  }
  .faq-more-expanded {
    gap: 0.625rem;
  }
  .faq-fade-overlay {
    height: 70px;
    bottom: 4rem;
  }
}

/* ==========================================================================
   Trust Center & Institutional Cards
   ========================================================================== */

.trust-section {
  max-width: 1040px;
  margin-bottom: 4rem;
}

.trust-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.trust-card {
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
  border-radius: var(--radius-md);
  box-sizing: border-box;
  height: 100%;
}

.trust-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-hairline-hover);
}

.trust-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-canvas-subtle);
  border: 1px solid var(--color-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.trust-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.35rem;
}

.trust-card-desc {
  font-size: 0.8125rem;
  color: var(--color-mute);
  line-height: 1.5;
  margin: 0;
}

.trust-card-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-blue);
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  text-decoration: none;
}

@media (max-width: 640px) {
  .trust-cards-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.625rem !important;
  }

  .trust-card {
    padding: 0.875rem 0.625rem !important;
    border-radius: 10px !important;
    min-width: 0 !important;
  }

  .trust-card:hover {
    transform: none !important;
  }

  .trust-card-icon {
    width: 28px !important;
    height: 28px !important;
    margin-bottom: 0.45rem !important;
    border-radius: 6px !important;
  }

  .trust-card-icon svg {
    width: 14px !important;
    height: 14px !important;
  }

  .trust-card-title {
    font-size: 0.8125rem !important;
    line-height: 1.25 !important;
    margin-bottom: 0.25rem !important;
    word-break: break-word !important;
    hyphens: auto !important;
  }

  .trust-card-desc {
    font-size: 0.6875rem !important;
    line-height: 1.35 !important;
  }

  .trust-card-link {
    font-size: 0.6875rem !important;
    margin-top: 0.5rem !important;
    gap: 0.15rem !important;
    white-space: nowrap !important;
  }
}

@media (max-width: 360px) {
  .trust-cards-grid {
    gap: 0.45rem !important;
  }

  .trust-card {
    padding: 0.65rem 0.45rem !important;
  }

  .trust-card-icon {
    width: 24px !important;
    height: 24px !important;
    margin-bottom: 0.35rem !important;
  }

  .trust-card-icon svg {
    width: 12px !important;
    height: 12px !important;
  }

  .trust-card-title {
    font-size: 0.75rem !important;
    line-height: 1.2 !important;
  }

  .trust-card-desc {
    font-size: 0.625rem !important;
    line-height: 1.3 !important;
  }

  .trust-card-link {
    font-size: 0.625rem !important;
    margin-top: 0.35rem !important;
  }
}

/* ==========================================================================
/* ==========================================================================
   Site Footer Styling (Refined, Balanced & Professional Layout)
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-hairline);
  background: var(--color-canvas);
  padding: 2.5rem 0 1.5rem 0;
  margin-top: 3.5rem;
}

.site-footer-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.site-footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 0.85fr 1.15fr;
  gap: 2rem;
  align-items: start;
}

.site-footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-width: 320px;
}

.site-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-ink);
  transition: opacity var(--transition-fast);
}

.site-footer-brand:hover {
  opacity: 0.85;
}

.site-footer-brand-icon {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-xs, 4px);
  background: var(--color-ink);
  color: var(--color-on-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.site-footer-brand-title {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.site-footer-brand-desc {
  font-size: 0.8125rem;
  color: var(--color-mute);
  line-height: 1.55;
  margin: 0;
}

.site-footer-col {
  display: flex;
  flex-direction: column;
}

.site-footer-heading {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink);
  margin: 0 0 0.75rem 0;
}

.site-footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.8125rem;
}

.site-footer-links li a {
  color: var(--color-mute);
  text-decoration: none;
  transition: color var(--transition-fast);
  line-height: 1.4;
  display: inline-block;
}

.site-footer-links li a:hover {
  color: var(--color-ink);
}

.site-footer-formula-col {
  display: flex;
  flex-direction: column;
}

.site-footer-formula-box {
  background: var(--color-canvas-subtle);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.site-footer-formula-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.site-footer-formula-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-blue);
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-xs, 4px);
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

.site-footer-formula-note {
  font-size: 0.6875rem;
  color: var(--color-mute);
  line-height: 1.4;
  margin: 0;
}

.site-footer-bottom {
  border-top: 1px solid var(--color-hairline);
  padding-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78125rem;
  color: var(--color-mute);
}

.site-footer-copy {
  line-height: 1.4;
  font-size: 0.78125rem;
}

.site-footer-bottom-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.78125rem;
}

.site-footer-bottom-links a {
  color: var(--color-mute);
  text-decoration: none;
  font-size: 0.78125rem;
  transition: color var(--transition-fast);
}

.site-footer-bottom-links a:hover {
  color: var(--color-ink);
}

.site-footer-dot {
  color: var(--color-hairline);
  font-size: 0.65rem;
  user-select: none;
  opacity: 0.8;
}

/* Tablet & Mobile Layout (max-width: 900px) */
@media (max-width: 900px) {
  .site-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem 1.5rem;
  }
}

@media (max-width: 640px) {
  .site-footer {
    padding: 2rem 0 1.25rem 0;
    margin-top: 2.5rem;
  }

  .site-footer-container {
    gap: 1.5rem;
  }

  .site-footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .site-footer-brand-col {
    max-width: 100%;
  }

  .site-footer-bottom {
    padding-top: 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }
}

/* Print Optimization */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  
  .no-print,
  .hero-glow-wrap,
  .tabs-header,
  header,
  footer,
  .btn,
  .modal-backdrop {
    display: none !important;
  }

  .print-only {
    display: block !important;
  }

  .container {
    max-width: 100% !important;
    padding: 0 !important;
  }

  .geist-card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    page-break-inside: avoid;
  }
}