/* ==========================================================================
   Tune.College — Guitar & Piano Home Tuition Academy (Delhi NCR)
   Design System & Base Styles
   Palette: Jam (#67032F), Crisp White (#FFFFFF), Subtle Blush & Dark Charcoal
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;0,800;0,900;1,600&display=swap');

:root {
  /* Brand Jam Palette */
  --primary: #67032F;
  --primary-hover: #54022A;
  --primary-dark: #3E0120;
  --primary-light: #8B1A4A;
  --primary-subtle: #FBE9F0;
  --primary-badge: #F5D0DF;
  --primary-border: #ECAFC5;
  --primary-glow: rgba(103, 3, 47, 0.18);

  /* Neutrals & Surfaces */
  --bg-white: #FFFFFF;
  --bg-light: #F8F9FA;
  --bg-subtle: #F1F3F5;
  --bg-dark: #12151A;
  --bg-dark-surface: #1A1F26;
  --bg-dark-card: #222831;

  /* Typography Colors */
  --text-dark: #191D24;
  --text-body: #495057;
  --text-muted: #6C757D;
  --text-light: #94A3B8;
  --text-white: #FFFFFF;

  /* Borders & Dividers */
  --border-light: #E9ECEF;
  --border-medium: #DEE2E6;
  --border-subtle: #F1F3F5;
  --border-dark: #2D3748;

  /* Accents & Status */
  --accent-gold: #D97706;
  --accent-green: #2B8A3E;
  --whatsapp-color: #075E54;
  --whatsapp-hover: #054C44;

  /* Elevation Shadows */
  --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 10px 20px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 32px -4px rgba(0, 0, 0, 0.08), 0 8px 16px -4px rgba(0, 0, 0, 0.04);
  --shadow-red: 0 10px 24px -4px rgba(103, 3, 47, 0.28);
  --shadow-hover: 0 22px 35px -5px rgba(0, 0, 0, 0.10);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  /* Sizing & Transitions */
  --container-max: 1240px;
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--text-body);
  background-color: var(--bg-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-spacing {
  padding: 96px 0;
  position: relative;
}

.section-spacing-alt {
  padding: 96px 0;
  background-color: var(--bg-light);
  position: relative;
}

.section-spacing-subtle {
  padding: 96px 0;
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--primary-subtle) 50%, var(--bg-white) 100%);
  position: relative;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-badge.white {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-white);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 56px auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -0.03em;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: clamp(1.05rem, 1.25vw, 1.2rem);
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.65;
}

/* Standard Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-white) !important;
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -4px rgba(103, 3, 47, 0.38);
}

.btn-outline {
  background: transparent;
  color: var(--text-dark);
  border: 1.5px solid var(--border-medium);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-subtle);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--text-white) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  border-color: var(--text-white);
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--bg-white);
  color: var(--primary) !important;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background: var(--bg-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--primary-dark) !important;
}

.btn-whatsapp {
  background: var(--whatsapp-color);
  color: var(--text-white) !important;
  box-shadow: 0 10px 22px -3px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -4px rgba(37, 211, 102, 0.45);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 34px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* Cards & Surfaces */
.card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-border);
}

/* Tag Badges */
.tag-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--primary-subtle);
  color: var(--primary);
  border: 1px solid var(--primary-badge);
}

/* Global Alert / Notice box */
.disclaimer-box {
  background: var(--primary-subtle);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
  font-size: 0.92rem;
  color: var(--text-dark);
  line-height: 1.65;
  margin-top: 28px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.disclaimer-box svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--primary);
}

.disclaimer-box p strong {
  color: var(--primary-dark);
}

/* Icon Box */
.icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: var(--transition-fast);
}

.card:hover .icon-box {
  background: var(--primary);
  color: var(--text-white);
  transform: scale(1.05);
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: stretch;
  }
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

@media (max-width: 480px) {
  .grid-2 {
    gap: 18px;
  }
  .grid-3 {
    gap: 16px;
  }
  .grid-4 {
    gap: 16px;
  }
}

/* Header & Top Navigation */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-symbol {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #67032F 0%, #3E0120 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(103, 3, 47, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.22);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.brand-symbol::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  right: 2px;
  bottom: 2px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 7px;
  pointer-events: none;
}

.brand-symbol:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 18px rgba(103, 3, 47, 0.42);
}

.brand-symbol .tc-monogram {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.32rem;
  letter-spacing: -0.06em;
  color: #FFFFFF;
  line-height: 1;
  display: inline-block;
  transform: translateY(-0.5px);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

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

.brand-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.brand-tagline {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Phone number link (NO BORDER, clean, high-contrast) */
.phone-link-clean {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: none;
  background: transparent;
  color: var(--text-dark);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.phone-link-clean svg {
  color: var(--primary);
  transition: transform var(--transition-fast);
}

.phone-link-clean:hover {
  color: var(--primary);
  background: var(--primary-subtle);
}

.phone-link-clean:hover svg {
  transform: scale(1.1);
}

/* Icon-only header action buttons */
.header-icon-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.header-icon-btn.btn-call {
  background: var(--primary);
  color: var(--text-white) !important;
  box-shadow: 0 4px 12px rgba(103, 3, 47, 0.25);
}

.header-icon-btn.btn-call:hover {
  background: var(--primary-hover);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 16px rgba(103, 3, 47, 0.35);
}

.header-icon-btn.btn-whatsapp {
  background: var(--whatsapp-color);
  color: var(--text-white) !important;
  box-shadow: 0 4px 12px rgba(7, 94, 84, 0.35);
}

.header-icon-btn.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 16px rgba(7, 94, 84, 0.45);
}

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-light);
  border: 1px solid var(--border-medium);
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 84px;
  left: 0;
  width: 100%;
  height: calc(100vh - 84px);
  background: var(--bg-white);
  padding: 24px;
  overflow-y: auto;
  border-top: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

.mobile-nav-drawer.active {
  display: block;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.mobile-nav-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-light);
}

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

.mobile-drawer-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Mobile Sticky Bottom Action Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-light);
  padding: 10px 16px;
  z-index: 999;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
}

.mobile-sticky-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mobile-sticky-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
}

/* Responsive Base & Navigation Queries */
@media (max-width: 1180px) {
  .nav-menu {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
}

/* ==========================================================================
   TRINITY COLLEGE LONDON INSPIRED MOBILE PHONE THEME (max-width: 768px)
   Aesthetic: Prestigious British Conservatory, Shaded Lilac Boxes, Pill Buttons
   ========================================================================== */

@media (max-width: 768px) {
  /* 1. Layout & Spacing (Full Width on Phone) */
  .container {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 16px;
    box-sizing: border-box;
  }
  .section-spacing,
  .section-spacing-alt,
  .section-spacing-subtle {
    padding: 42px 0;
    width: 100%;
  }
  .section-header {
    text-align: left;
    max-width: 100% !important;
    width: 100% !important;
    margin-bottom: 24px;
  }
  .section-title {
    font-size: 1.68rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    line-height: 1.25;
  }
  .section-subtitle {
    font-size: 0.92rem;
    line-height: 1.55;
    color: #495057;
    max-width: 100% !important;
  }

  /* Trinity-style Category Pill Badges */
  .section-badge {
    background: #EADEE7;
    border: 1px solid #D2BFD0;
    color: var(--primary);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    display: inline-block;
    margin-bottom: 12px;
  }

  /* Trinity-style Shaded Cards (.shaded-box) */
  .card {
    background: #F8F5F8;
    border: 1px solid #E2D7E0;
    border-radius: 8px;
    padding: 20px 16px;
    box-shadow: 0 1px 4px rgba(80, 20, 75, 0.04);
    width: 100% !important;
    box-sizing: border-box;
  }
  .card:hover {
    transform: none;
    border-color: var(--primary-border);
  }

  /* Trinity-style Pill Buttons on Phone */
  .btn {
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.88rem;
    letter-spacing: 0.02em;
    padding: 12px 22px;
    box-shadow: none !important;
  }
  .btn-lg {
    padding: 13px 24px;
    font-size: 0.92rem;
  }
  .btn-primary {
    background: var(--primary);
    color: #FFFFFF !important;
    border: 1.5px solid var(--primary);
  }
  .btn-primary:hover {
    background: var(--primary-hover);
    transform: none;
  }
  .btn-outline {
    background: #FFFFFF;
    color: var(--primary);
    border: 1.5px solid var(--primary);
  }
  .btn-outline:hover {
    background: #F8F5F8;
    color: var(--primary);
    transform: none;
  }

  /* 2. Header on Mobile (Trinity TC Emblem Only - No tune.college text) */
  .site-header {
    height: 64px;
    background: #FFFFFF;
    border-bottom: 1.5px solid #EADEE7;
    box-shadow: 0 2px 10px rgba(80, 20, 75, 0.04);
  }
  .header-inner {
    height: 64px;
    width: 100% !important;
    max-width: 100% !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 0 16px;
    box-sizing: border-box;
  }
  .brand-logo {
    gap: 9px;
    display: flex;
    align-items: center;
  }
  .brand-symbol {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: linear-gradient(135deg, #67032F 0%, #3E0120 100%);
    box-shadow: 0 2px 8px rgba(103, 3, 47, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
  }
  .brand-symbol .tc-monogram {
    font-size: 1.15rem;
  }
  /* Remove tune.college wordmark from header in phone aspect; keep tagline */
  .brand-name {
    display: none !important;
  }
  .brand-text {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
  }
  .brand-tagline {
    display: block !important;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.25;
    max-width: 210px;
  }
  .header-actions {
    gap: 8px;
    align-items: center;
  }
  .phone-link-clean {
    display: none !important;
  }
  .header-icon-btn {
    display: none !important;
  }
  .mobile-menu-toggle {
    display: flex !important;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: transparent !important;
    border: none !important;
    color: var(--primary);
    padding: 0;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.15s ease;
  }
  .mobile-menu-toggle:active {
    transform: scale(0.92);
  }

  /* 3. Trinity-style Mobile Drawer Menu */
  .mobile-nav-drawer {
    top: 64px;
    height: calc(100vh - 64px - 62px);
    background: #FFFFFF;
    padding: 18px 16px;
    border-top: 1.5px solid #EADEE7;
  }
  .mobile-nav-drawer::before {
    content: 'EXAMINATION BOARDS';
    display: block;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #9A619B;
    margin-bottom: 12px;
    padding-left: 4px;
  }
  .mobile-nav-links {
    gap: 8px;
    margin-bottom: 24px;
  }
  .mobile-nav-link {
    background: #EADEE7;
    color: var(--text-dark);
    font-size: 0.98rem;
    font-weight: 700;
    padding: 14px 18px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-fast);
  }
  .mobile-nav-link::after {
    content: '›';
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--primary);
    line-height: 1;
  }
  .mobile-nav-link:hover,
  .mobile-nav-link.active {
    background: var(--primary);
    color: #FFFFFF !important;
  }
  .mobile-nav-link.active::after {
    color: #FFFFFF;
  }
  .mobile-drawer-cta {
    border-top: 1.5px solid #EADEE7;
    padding-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .drawer-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 700;
    font-size: 0.96rem;
    border-radius: 10px;
    padding: 13px 18px;
    text-decoration: none;
  }
  .drawer-btn svg {
    flex-shrink: 0;
  }

  /* 4. Trinity Floating Action Pill Bar */
  .mobile-sticky-bar {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(103, 3, 47, 0.12);
    padding: 8px 14px;
    padding-bottom: max(8px, env(safe-area-inset-bottom, 8px));
    box-shadow: 0 -4px 20px rgba(103, 3, 47, 0.08);
    z-index: 999;
  }
  .mobile-sticky-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    margin: 0;
  }
  .mobile-sticky-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.01em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    -webkit-tap-highlight-color: transparent;
  }
  .mobile-sticky-btn:active {
    transform: scale(0.96);
  }
  .mobile-sticky-btn .sticky-icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
  }
  .mobile-sticky-btn .sticky-icon-wrap svg {
    display: block;
  }
  .mobile-sticky-btn.mobile-call-btn {
    background: linear-gradient(135deg, #67032F 0%, #4D0223 100%);
    color: #FFFFFF !important;
    box-shadow: 0 4px 14px rgba(103, 3, 47, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
  }
  .mobile-sticky-btn.mobile-wa-btn {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: #FFFFFF !important;
    box-shadow: 0 4px 14px rgba(18, 140, 126, 0.32);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }
  body {
    padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px));
  }
}

@media (max-width: 480px) {
  /* Micro refinements for smaller phones */
  .container {
    padding: 0 14px;
  }
  .section-spacing,
  .section-spacing-alt,
  .section-spacing-subtle {
    padding: 38px 0;
  }
  .section-title {
    font-size: 1.52rem;
  }
  .brand-logo {
    gap: 8px;
  }
  .brand-symbol {
    width: 36px;
    height: 36px;
    border-radius: 7px;
    flex-shrink: 0;
  }
  .brand-symbol .tc-monogram {
    font-size: 1.1rem;
  }
  .brand-name {
    display: none !important;
  }
  .brand-text {
    display: flex !important;
  }
  .brand-tagline {
    display: block !important;
    font-size: 0.62rem;
    max-width: 185px;
    line-height: 1.2;
    letter-spacing: 0.03em;
  }
  .header-actions {
    gap: 5px;
  }
  .mobile-menu-toggle {
    width: 36px;
    height: 36px;
  }
  .card {
    padding: 16px 14px;
  }
  .btn {
    padding: 11px 18px;
    font-size: 0.86rem;
  }
  .mobile-sticky-btn {
    padding: 9px 10px;
    font-size: 0.86rem;
    gap: 7px;
  }
  .mobile-sticky-btn .sticky-icon-wrap {
    width: 24px;
    height: 24px;
  }
  .mobile-sticky-btn .sticky-icon-wrap svg {
    width: 15px;
    height: 15px;
  }
}

/* Footer Styling */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 80px 0 40px 0;
  border-top: 1px solid var(--border-dark);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border-dark);
}

.footer-brand .brand-name {
  color: var(--text-white);
}

.footer-brand p {
  margin-top: 16px;
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.7;
}

.footer-title {
  color: var(--text-white);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 22px;
  position: relative;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: var(--radius-full);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.92rem;
  color: var(--text-light);
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-light);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.92rem;
}

.footer-contact-item svg {
  color: var(--primary-light);
  flex-shrink: 0;
  margin-top: 4px;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.footer-disclaimer {
  padding: 30px 0;
  font-size: 0.82rem;
  color: #64748B;
  line-height: 1.6;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  font-size: 0.85rem;
  color: #64748B;
}

@media (max-width: 992px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 600px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}