/* ==========================================================================
   THE CITY GRAMMAR SCHOOL (TCGS) - CORE DESIGN SYSTEM & STYLES
   Colors: Primary #1F3A93 | Secondary #0F1F4B | Accent #F5B301 | Background #F6F8FC | Text #1E293B | Success #16A34A
   Fonts: Poppins (Headings) | Inter (Body) | Noto Nastaliq Urdu (Urdu)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Nastaliq+Urdu:wght@400;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand Color Palette */
  --color-primary: #1F3A93;
  --color-primary-dark: #152865;
  --color-primary-light: #2c4eb8;
  --color-secondary: #0F1F4B;
  --color-secondary-dark: #08112b;
  --color-accent: #F5B301;
  --color-accent-hover: #e0a200;
  --color-accent-light: #fff8e6;
  --color-bg: #F6F8FC;
  --color-bg-alt: #EDF2F9;
  --color-surface: #FFFFFF;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;
  --color-border: #E2E8F0;
  --color-border-subtle: #F1F5F9;
  --color-success: #16A34A;
  --color-success-light: #DCFCE7;
  --color-danger: #DC2626;

  /* Typography */
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-urdu: 'Noto Nastaliq Urdu', 'Jameel Noori Nastaleeq', 'Urdu Typesetting', serif;

  /* Spacing */
  --section-py: clamp(4rem, 8vw, 7.5rem);
  --container-max: 1240px;
  --header-height: 100px;
  --header-shrink-height: 72px;

  /* Radii & Shadows */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-arch: 240px 240px 24px 24px;
  --radius-arch-rev: 24px 24px 240px 240px;
  --shadow-sm: 0 4px 12px rgba(15, 31, 75, 0.04);
  --shadow-md: 0 12px 30px rgba(15, 31, 75, 0.08);
  --shadow-lg: 0 24px 50px -10px rgba(15, 31, 75, 0.12);
  --shadow-xl: 0 35px 70px -15px rgba(15, 31, 75, 0.18);
  --shadow-gold: 0 10px 25px rgba(245, 179, 1, 0.35);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Structural Safety: Clip overflow on all major section containers */
section, .section, header, footer {
  position: relative;
  overflow-x: clip;
}

/* Reduced Motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Typography Defaults & Fluid Scaling */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-secondary);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
  word-break: normal;
}

h1 { font-size: clamp(2rem, 8vw, 4.5rem); }
h2 { font-size: clamp(1.625rem, 6vw, 3rem); }
h3 { font-size: clamp(1.25rem, 4.5vw, 1.75rem); }
h4 { font-size: clamp(1.05rem, 3.5vw, 1.35rem); }

p, li, span, a, label {
  overflow-wrap: anywhere;
  word-break: normal;
}

p { margin-bottom: 1rem; color: var(--color-text); font-size: clamp(0.95rem, 2.5vw, 1.05rem); }
p:last-child { margin-bottom: 0; }
a { color: inherit; text-decoration: none; transition: var(--transition-fast); }
img, video, iframe { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; }

/* Grid and Flex item safety */
.container, .grid, [class*="-grid"], [class*="-row"], [class*="-col"] {
  min-width: 0;
}

/* Accessible Focus States */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Common Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 2.5rem);
  padding-right: clamp(1.25rem, 4vw, 2.5rem);
}

.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
  position: relative;
}

/* Section Header standard badge & kicker */
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  background: rgba(31, 58, 147, 0.08);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.section-kicker-gold {
  color: #a86e00;
  background: var(--color-accent-light);
  border: 1px solid rgba(245, 179, 1, 0.35);
}

.section-kicker-white {
  color: var(--color-accent);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Signature Visual Motif: Underline Stroke */
.stroke-highlight {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}

.stroke-highlight::after {
  content: '';
  position: absolute;
  left: -2%;
  bottom: -4px;
  width: 104%;
  height: 8px;
  background-image: url("data:image/svg+xml,%3Csvg width='200' height='12' viewBox='0 0 200 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 9.5C45 2.5 145 2 198 8.5' stroke='%23F5B301' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  z-index: 1;
}

/* Signature Arch Shapes */
.arch-frame {
  border-radius: var(--radius-arch);
  overflow: hidden;
  position: relative;
}

.arch-frame-rev {
  border-radius: var(--radius-arch-rev);
  overflow: hidden;
  position: relative;
}

/* Background Patterns */
.pattern-dots {
  background-image: radial-gradient(rgba(31, 58, 147, 0.15) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
}

.pattern-dots-gold {
  background-image: radial-gradient(rgba(245, 179, 1, 0.25) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
}

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.85rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.98);
}

/* Gold Apply Button (Reserved for Admission/Apply) */
.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-secondary);
  box-shadow: var(--shadow-gold);
  border-color: var(--color-accent);
  font-weight: 700;
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(245, 179, 1, 0.45);
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Outlined Button */
.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

.btn-outline-white {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
}

.btn-outline-white:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1.05rem 2.25rem;
  font-size: 1.05rem;
}

/* Live Office Hours Badge */
.live-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.live-status-pill .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
}

.live-status-pill.is-open .status-dot {
  background-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.25);
  animation: pulse-dot 2s infinite;
}

.live-status-pill.is-closed .status-dot {
  background-color: #94A3B8;
  box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.2);
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.5); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(22, 163, 74, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

/* ==========================================================================
   TOP UTILITY BAR & STICKY HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: 0 10px 30px rgba(15, 31, 75, 0.08);
}



.header-main {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: height var(--transition-normal);
}

.site-header.scrolled .header-main {
  height: var(--header-shrink-height);
}

/* Brand Wordmark */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-logo-img {
  width: 84px;
  height: 84px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
  background: transparent;
  filter: url(#tcgs-logo-filter);
  transition: all var(--transition-fast);
}

.site-header.scrolled .brand-logo-img {
  width: 58px;
  height: 58px;
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.05);
}

.footer-brand .brand-logo-img {
  width: 72px;
  height: 72px;
  background: #FFFFFF;
  padding: 6px;
  border-radius: 16px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
  filter: none;
}

.logo-crest {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  box-shadow: 0 4px 10px rgba(31, 58, 147, 0.3);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-crest::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 400 !important;
  color: var(--color-secondary);
  line-height: 1.15;
  letter-spacing: normal;
}

.logo-subtitle {
  font-size: 0.72rem;
  font-weight: 400 !important;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Main Navigation */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-secondary);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* Header Action Controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Language Switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--color-bg-alt);
  padding: 3px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
}

.lang-btn {
  border: none;
  background: transparent;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 100px;
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background: #FFFFFF;
  color: var(--color-secondary);
  box-shadow: 0 2px 5px rgba(0,0,0,0.08);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 8px;
  color: var(--color-secondary);
}

/* ==========================================================================
   FOOTER (Navy #0F1F4B, TCGS Outline Watermark, Gold Wave)
   ========================================================================== */
.site-footer {
  background-color: var(--color-secondary);
  color: #E2E8F0;
  position: relative;
  overflow: hidden;
  margin-top: auto;
  padding-top: 5rem;
  padding-bottom: 2.5rem;
}

/* Gold Top Wave Border */
.footer-top-wave {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.footer-top-wave svg {
  display: block;
  width: 100%;
  height: 32px;
}

/* Oversized "TCGS" Outline Watermark */
.footer-watermark {
  position: absolute;
  bottom: 0;
  right: -2%;
  font-family: var(--font-heading);
  font-size: clamp(6rem, 18vw, 15rem);
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.05);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.footer-content {
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.3fr 1.3fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.95rem;
  line-height: 1.7;
  margin-top: 1.25rem;
  max-width: 380px;
}

.footer-heading {
  font-size: 1.1rem;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.6rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #CBD5E1;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-fast);
}

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

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: #CBD5E1;
}

.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 0.2rem;
  color: var(--color-accent);
}

.footer-social-group {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background: var(--color-accent);
  color: var(--color-secondary);
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: #94A3B8;
}

/* ==========================================================================
   FLOATING BUTTONS (WhatsApp & Back to Top)
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background-color: #25D366;
  color: #FFFFFF;
  padding: 0.65rem 1.15rem 0.65rem 0.85rem;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-normal);
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 16px 35px rgba(37, 211, 102, 0.55);
  color: #FFFFFF;
}

.whatsapp-icon-circle {
  width: 36px;
  height: 36px;
  background: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #25D366;
  flex-shrink: 0;
}

/* Back to Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-secondary);
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  box-shadow: 0 8px 24px rgba(15, 31, 75, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(0.9);
  transition: all var(--transition-normal);
}

.back-to-top-btn.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.back-to-top-btn:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: #FFFFFF;
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 12px 28px rgba(31, 58, 147, 0.45);
}

/* Scroll reveal utility classes */
.reveal-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   URDU / RTL SPECIALIZED STYLES
   ========================================================================== */
html[dir="rtl"] {
  font-family: var(--font-urdu);
}

html[dir="rtl"] body {
  font-family: var(--font-urdu);
  line-height: 2.1;
}

html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3,
html[dir="rtl"] h4,
html[dir="rtl"] .logo-title,
html[dir="rtl"] .nav-link,
html[dir="rtl"] .btn {
  font-family: var(--font-urdu);
  letter-spacing: 0;
  line-height: 2;
}

html[dir="rtl"] .nav-link.active::after {
  left: auto;
  right: 0;
}

html[dir="rtl"] .footer-heading::after {
  left: auto;
  right: 0;
}

html[dir="rtl"] .footer-link-btn:hover {
  transform: translateX(-4px);
}

html[dir="rtl"] .whatsapp-float {
  right: auto;
  left: 28px;
}

html[dir="rtl"] .back-to-top-btn {
  left: auto;
  right: 28px;
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  :root {
    --section-py: clamp(3.5rem, 6vw, 5.5rem);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 868px) {
  :root {
    --header-height: 76px;
    --section-py: clamp(3rem, 6vw, 4.5rem);
  }

  .brand-logo-img {
    width: 54px;
    height: 54px;
  }

  .logo-title {
    font-size: clamp(0.95rem, 3.6vw, 1.15rem);
  }

  .logo-subtitle {
    font-size: clamp(0.65rem, 2.4vw, 0.72rem);
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    background: #FFFFFF;
    flex-direction: column;
    padding: 1.75rem 1.5rem 2.5rem 1.5rem;
    gap: 1rem;
    border-bottom: 2px solid var(--color-border);
    box-shadow: 0 20px 40px rgba(15, 31, 75, 0.16);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
    z-index: 999;
  }

  .nav-menu.is-active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    width: 100%;
    padding: 0.75rem 0.5rem;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .nav-link.active::after {
    display: none;
  }

  .nav-link.active {
    color: var(--color-primary);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    padding-left: 0.75rem;
  }

  html[dir="rtl"] .nav-link.active {
    padding-left: 0.5rem;
    padding-right: 0.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .footer-watermark {
    font-size: clamp(4rem, 18vw, 9rem);
    right: 0;
    max-width: 100%;
    overflow: hidden;
  }
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 16px;
    right: 16px;
    width: 46px;
    height: 46px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
  }

  .whatsapp-float span {
    display: none;
  }

  .whatsapp-icon-circle {
    width: 30px;
    height: 30px;
  }

  .back-to-top-btn {
    bottom: 16px;
    left: 16px;
    width: 46px;
    height: 46px;
  }

  html[dir="rtl"] .whatsapp-float {
    right: auto;
    left: 16px;
  }

  html[dir="rtl"] .back-to-top-btn {
    left: auto;
    right: 16px;
  }

  .btn-lg {
    padding: 0.85rem 1.65rem;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  :root {
    --header-height: 68px;
  }

  .brand-logo-img {
    width: 44px;
    height: 44px;
  }

  .header-actions .btn {
    display: none; /* Displayed inside slide-down mobile menu */
  }

  .header-actions {
    gap: 0.5rem;
  }

  .lang-btn {
    padding: 0.25rem 0.55rem;
    font-size: 0.75rem;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.65rem;
  }
}

@media (max-width: 360px) {
  .brand-logo-img {
    width: 38px;
    height: 38px;
  }

  .logo-title {
    font-size: 0.9rem;
  }

  .logo-subtitle {
    font-size: 0.62rem;
  }

  .whatsapp-float,
  .back-to-top-btn {
    bottom: 12px;
    width: 42px;
    height: 42px;
  }

  .whatsapp-float { right: 12px; }
  .back-to-top-btn { left: 12px; }

  html[dir="rtl"] .whatsapp-float { left: 12px; right: auto; }
  html[dir="rtl"] .back-to-top-btn { right: 12px; left: auto; }
}

/* ==========================================================================
   ERROR PAGES (404 & 500)
   ========================================================================== */
.error-page-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, #F6F8FC 0%, #FFFFFF 100%);
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-card-container {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.error-badge-sticker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.15rem;
  background: var(--color-accent-light);
  border: 1.5px solid var(--color-accent);
  color: #92400e;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.error-code-graphic {
  font-family: var(--font-heading);
  font-size: clamp(5.5rem, 16vw, 10rem);
  font-weight: 900;
  line-height: 0.95;
  color: var(--color-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #0F1F4B 0%, #1F3A93 50%, #F5B301 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  user-select: none;
}

.error-heading {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.error-lead {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-text-muted);
  max-width: 540px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.7;
}

.error-actions-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.error-quick-links-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  text-align: left;
}

.error-link-tile {
  background: #FFFFFF;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  display: block;
}

.error-link-tile:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.error-link-tile h4 {
  font-size: 0.95rem;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
}

.error-link-tile p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .error-actions-group .btn {
    width: 100%;
  }
  .error-quick-links-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}