/* ==========================================================================
   THE CAFS ACADEMY - Custom Design System & Stylesheet
   Color Palette: Deep Royal Navy (#0B193C), Gold (#D48806), Warm Slate (#1E293B)
   ========================================================================== */

:root {
  --color-primary: #0B193C;
  --color-primary-dark: #061029;
  --color-primary-light: #162B5B;
  --color-accent: #D48806;
  --color-accent-hover: #B87402;
  --color-accent-light: #FFF8EB;
  --color-text-main: #1E293B;
  --color-text-muted: #475569;
  --color-text-light: #64748B;
  --color-bg-main: #FAFCFF;
  --color-bg-surface: #FFFFFF;
  --color-bg-alt: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E1;
  --shadow-sm: 0 1px 3px rgba(11, 25, 60, 0.05);
  --shadow-md: 0 4px 12px rgba(11, 25, 60, 0.08);
  --shadow-lg: 0 10px 30px rgba(11, 25, 60, 0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Resets & Global Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
  line-height: 1.6;
  -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, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Layout Containers */
.container-custom {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Typography Hierarchy */
.text-navy { color: var(--color-primary); }
.text-gold { color: var(--color-accent); }
.bg-navy { background-color: var(--color-primary); }
.bg-gold { background-color: var(--color-accent); }
.bg-surface { background-color: var(--color-bg-surface); }
.bg-alt { background-color: var(--color-bg-alt); }

.heading-xl {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.heading-lg {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--color-primary);
}

.heading-md {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-primary);
}

.heading-sm {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--color-accent-light);
  color: var(--color-accent-hover);
  border: 1px solid rgba(212, 136, 6, 0.25);
  border-radius: 9999px;
  font-size: 0.775rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

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

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-accent);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.725rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

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

.nav-link {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-text-main);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

/* Custom Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.925rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(212, 136, 6, 0.25);
  transition: var(--transition-fast);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(212, 136, 6, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.925rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.725rem 1.4rem;
  background-color: transparent;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.925rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Off-canvas mobile drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background-color: var(--color-bg-surface);
  z-index: 1100;
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: right 0.3s ease-in-out;
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(11, 25, 60, 0.4);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Top Announcement Bar */
.top-ribbon-bar {
  background-color: var(--color-primary-dark);
  color: #94A3B8;
  font-size: 0.8rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-ribbon-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-ribbon-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-ribbon-item a {
  color: #CBD5E1;
}

.top-ribbon-item a:hover {
  color: var(--color-accent);
}

/* Custom Cards */
.card-academic {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.contact-card-item {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: var(--transition-fast);
  margin-bottom: 1rem;
}

.contact-card-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

/* Program Filter Tabs */
.program-tab-btn {
  padding: 0.65rem 1.25rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  background-color: #FFFFFF;
  color: var(--color-primary);
  transition: var(--transition-fast);
}

.program-tab-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
}

.program-tab-btn.active {
  background-color: var(--color-accent) !important;
  color: #FFFFFF !important;
  border-color: var(--color-accent) !important;
  box-shadow: 0 4px 12px rgba(212, 136, 6, 0.3);
}

/* FAQ Accordion */
.faq-item {
  background: var(--color-bg-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.85rem;
  overflow: hidden;
  transition: all 0.2s ease-in-out;
}

.faq-item:hover {
  border-color: rgba(212, 136, 6, 0.4);
}

.faq-item.active {
  border-color: var(--color-accent);
  box-shadow: 0 4px 14px rgba(11, 25, 60, 0.06);
}

.faq-question {
  width: 100%;
  padding: 1.15rem 1.25rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.935rem;
  line-height: 1.65;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  padding-top: 0.85rem;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-icon {
  transition: transform 0.25s ease;
  color: var(--color-primary);
  flex-shrink: 0;
}

.card-academic:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-badge-tag {
  align-self: flex-start;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  font-size: 0.725rem;
  font-weight: 700;
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  margin-bottom: 1rem;
}

/* Floating WhatsApp Widget */
.whatsapp-float-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 990;
  width: 58px;
  height: 58px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: var(--transition-fast);
}

.whatsapp-float-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float-btn svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

/* Banner Frame */
.banner-frame {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.banner-frame img {
  width: 100%;
  object-fit: cover;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.925rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--color-text-main);
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 136, 6, 0.15);
}

/* Status Toasts */
.toast-notification {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  font-weight: 600;
  font-size: 0.9rem;
}

.toast-notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Footer Styling */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #CBD5E1;
  padding-top: 4rem;
  padding-bottom: 2rem;
  border-top: 3px solid var(--color-accent);
}

.site-footer a {
  color: #94A3B8;
}

.site-footer a:hover {
  color: #FFFFFF;
}

/* Social Media Buttons & Links */
.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF !important;
  transition: var(--transition-fast);
  text-decoration: none;
}

.social-btn:hover {
  background: var(--color-accent) !important;
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(212, 136, 6, 0.35);
}

.social-btn svg {
  width: 18px;
  height: 18px;
}

.top-ribbon-social {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.top-ribbon-social a {
  color: #CBD5E1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease, transform 0.2s ease;
}

.top-ribbon-social a:hover {
  color: #FBBF24;
  transform: scale(1.15);
}

/* Header CTA Button Responsive */
.header-cta-btn {
  white-space: nowrap;
}

/* Director Section Centering System */
.director-section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: center;
  justify-items: center;
  background: var(--color-bg-main);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.director-card-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  text-align: center;
  margin: 0 auto;
  position: static; /* Always static by default on mobile so it scrolls naturally */
}

@media (min-width: 992px) {
  .director-card-wrapper.sticky-desktop {
    position: sticky;
    top: 90px;
  }
}

.director-img-frame {
  width: 220px;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 3px solid var(--color-accent);
  box-shadow: var(--shadow-md);
  margin: 0 auto;
  display: block;
}

/* Responsive Media Queries */
@media (max-width: 991px) {
  .nav-menu {
    display: none;
  }
  
  .mobile-nav-toggle {
    display: block;
  }

  .director-card-wrapper {
    position: static !important;
    top: auto !important;
  }
}

@media (max-width: 768px) {
  .header-cta-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    line-height: 1.2;
    border-radius: 4px;
    box-shadow: none;
  }

  .brand-title {
    font-size: 0.95rem;
    font-weight: 800;
    line-height: 1.1;
    white-space: nowrap;
  }

  .brand-subtitle {
    font-size: 0.65rem;
    line-height: 1.1;
    white-space: nowrap;
    color: var(--color-text-muted);
  }

  .director-section-grid {
    padding: 1.5rem;
    gap: 2rem;
    text-align: center;
  }
  .director-card-wrapper {
    margin: 0 auto 1.5rem;
    position: static !important;
    top: auto !important;
  }
}

@media (max-width: 640px) {
  .header-cta-btn {
    display: none; /* Hide header CTA on mobile screens to ensure brand name is 100% visible and uncluttered */
  }

  .navbar-inner {
    height: 64px;
  }

  .brand-title {
    font-size: 0.925rem;
    font-weight: 800;
    line-height: 1.15;
    white-space: nowrap;
  }

  .brand-subtitle {
    font-size: 0.625rem;
    line-height: 1.1;
    white-space: nowrap;
    color: var(--color-text-muted);
    font-weight: 600;
  }

  .brand-logo-img {
    width: 40px;
    height: 40px;
  }
}