/* ============================================================================
   HEADER & FOOTER STYLES - Arpan Classes (FINAL FIX - GUARANTEED WORKING)
   - Light/Dark Support (CSS variables + html[data-theme])
   - FIXED POSITIONING (Always works, no parent container issues)
   - Working mobile drawer
   - Footer redesigned for Coaching Institute (modern + elegant)
============================================================================ */

/* -------------------------------------------
   THEME TOKENS (Light/Dark)
------------------------------------------- */

:root {
  --fe-bg: #ffffff;
  --fe-surface: rgba(255, 255, 255, 0.92);
  --fe-surface-2: #f8fafc;
  --fe-border: rgba(37, 99, 235, 0.12);
  --fe-border-strong: rgba(37, 99, 235, 0.18);

  --fe-text: #0f172a;
  --fe-text-muted: #475569;
  --fe-text-soft: #64748b;

  --fe-primary: #2563eb;
  --fe-accent: #7c3aed;

  --fe-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --fe-shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.08);
  
  --fe-header-height: 72px; /* Header height for scroll padding */
}

/* Dark theme is applied by theme.js via: html[data-theme="dark"] */
html[data-theme="dark"] {
  --fe-bg: #0b1220;
  --fe-surface: rgba(11, 18, 32, 0.78);
  --fe-surface-2: #0f172a;
  --fe-border: rgba(148, 163, 184, 0.16);
  --fe-border-strong: rgba(148, 163, 184, 0.22);

  --fe-text: #e2e8f0;
  --fe-text-muted: #cbd5e1;
  --fe-text-soft: #94a3b8;

  --fe-primary: #60a5fa;
  --fe-accent: #a78bfa;

  --fe-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
  --fe-shadow-soft: 0 10px 26px rgba(0, 0, 0, 0.28);
}

/* -------------------------------------------
   BODY - Padding for fixed header
------------------------------------------- */
body {
  padding-top: var(--fe-header-height);
  background: var(--fe-bg);
  color: var(--fe-text);
  margin: 0;
}

/* -------------------------------------------
   HEADER - FIXED POSITIONING (GUARANTEED TO WORK)
------------------------------------------- */

.fe-header {
  /* FIXED POSITIONING - Always works, no parent issues */
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 1200;
  width: 100%;

  background: var(--fe-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);

  border-bottom: 1px solid var(--fe-border);
  transition: background .25s ease, box-shadow .25s ease, border-color .25s ease;
}

/* Class for JavaScript sticky behavior (optional, same as fixed) */
.fe-header-sticky {
  position: fixed !important;
  top: 0 !important;
}

/* Scrolled state (enhanced shadow and background) */
.fe-header.scrolled {
  background: color-mix(in srgb, var(--fe-surface) 96%, var(--fe-bg));
  box-shadow: var(--fe-shadow);
  border-bottom-color: var(--fe-border-strong);
}

/* Remove underline across header */
.fe-header a,
.fe-header a:hover,
.fe-header a:focus,
.fe-header a:active {
  text-decoration: none !important;
}

/* Layout */
.fe-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  min-width: 0;
}

/* Brand */
.fe-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--fe-text);
}

.fe-brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--fe-surface-2);
  border: 1px solid var(--fe-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.fe-brand-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.fe-brand-fallback {
  color: var(--fe-text);
  font-weight: 900;
  font-size: 12px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.1;
}

.fe-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}

.fe-brand-name {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--fe-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 240px;
}

.fe-brand-tagline {
  font-size: 11px;
  font-weight: 700;
  color: var(--fe-text-soft);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Desktop Links */
.fe-nav-links {
  display: none; /* enabled on md+ */
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex: 1 1 auto;
  justify-content: center;
}

.fe-nav-links a {
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14px;
  color: var(--fe-text);
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.fe-nav-links a:hover {
  background: color-mix(in srgb, var(--fe-primary) 10%, transparent);
  color: var(--fe-primary);
}

.fe-nav-links a.active {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--fe-primary) 18%, transparent),
    color-mix(in srgb, var(--fe-accent) 10%, transparent)
  );
  color: var(--fe-primary);
}

/* Actions */
.fe-nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

/* Icon-only button (theme) */
.fe-icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--fe-border);
  background: color-mix(in srgb, var(--fe-primary) 6%, transparent);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
  flex-shrink: 0;
}

.fe-icon-btn:hover {
  background: color-mix(in srgb, var(--fe-primary) 10%, transparent);
  border-color: var(--fe-border-strong);
}

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

.fe-theme-ic i {
  font-size: 16px;
  color: var(--fe-primary);
}

/* Mobile hamburger */
.fe-nav-toggle {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 2px solid var(--fe-border);
  background: color-mix(in srgb, var(--fe-primary) 6%, transparent);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.fe-nav-toggle:hover {
  background: color-mix(in srgb, var(--fe-primary) 10%, transparent);
  border-color: var(--fe-border-strong);
}

.fe-nav-toggle-icon {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 20px;
}

.fe-nav-toggle-icon span {
  height: 2px;
  width: 100%;
  background: var(--fe-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.fe-nav-toggle.active .fe-nav-toggle-icon span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}
.fe-nav-toggle.active .fe-nav-toggle-icon span:nth-child(2) {
  opacity: 0;
}
.fe-nav-toggle.active .fe-nav-toggle-icon span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Utilities */
.fe-hide-mobile { display: none; }
.fe-nav-btn-text { display: inline; }

/* -------------------------------------------
   MOBILE DRAWER (Dark-aware)
------------------------------------------- */

.fe-mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 1100; /* Below header */
}

html[data-theme="dark"] .fe-mobile-overlay {
  background: rgba(2, 6, 23, 0.72);
}

.fe-mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(380px, 88vw);
  background: var(--fe-bg);
  border-left: 1px solid var(--fe-border);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1150; /* Below header, above overlay */
  padding: 16px;
  padding-top: calc(var(--fe-header-height) + 16px); /* Space for fixed header */
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}

.fe-mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--fe-border);
}

.fe-mobile-menu-close {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 2px solid var(--fe-border);
  cursor: pointer;
  color: var(--fe-text);
  flex-shrink: 0;
}

.fe-mobile-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: 14px;
  color: var(--fe-text);
  background: color-mix(in srgb, var(--fe-primary) 7%, transparent);
  border: 1px solid var(--fe-border);
  font-weight: 800;
  text-decoration: none !important;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.08s ease;
}

.fe-mobile-menu a:hover {
  background: color-mix(in srgb, var(--fe-primary) 11%, transparent);
  border-color: var(--fe-border-strong);
}

.fe-mobile-menu a:active {
  transform: scale(0.98);
}

.fe-btn-block {
  width: 100%;
  justify-content: center;
}

/* Divider */
.fe-divider {
  border: none;
  border-top: 1px solid var(--fe-border);
  margin: 8px 0;
}

/* Open state (navbar.js uses html.fe-mobile-open) */
html.fe-mobile-open {
  overflow: hidden; /* Prevent body scroll when menu open */
}

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

html.fe-mobile-open .fe-mobile-menu {
  transform: translateX(0);
}

/* Responsive */
@media (min-width: 768px) {
  .fe-nav { padding: 16px 0; }
  .fe-nav-links { display: flex; }
  .fe-nav-toggle { display: none; }
  .fe-hide-mobile { display: inline-flex; }
}

@media (max-width: 900px) {
  /* keep links accessible on tight desktop widths */
  .fe-nav-links {
    overflow-x: auto;
    scrollbar-width: none;
  }
  .fe-nav-links::-webkit-scrollbar { display: none; }
}

/* Adjust header height variable for mobile if needed */
@media (max-width: 767px) {
  :root {
    --fe-header-height: 64px;
  }
  
  body {
    padding-top: var(--fe-header-height);
  }
  
  .fe-mobile-menu {
    padding-top: calc(var(--fe-header-height) + 16px);
  }
}

/* -------------------------------------------
   FOOTER (REDESIGNED - Coaching Institute)
------------------------------------------- */

.fe-footer {
  margin-top: 80px;
  border-top: 1px solid var(--fe-border);
  background:
    radial-gradient(circle at 20% 10%, color-mix(in srgb, var(--fe-primary) 12%, transparent), transparent 45%),
    radial-gradient(circle at 85% 30%, color-mix(in srgb, var(--fe-accent) 10%, transparent), transparent 50%),
    var(--fe-bg);
}

.fe-footer-top {
  padding: 56px 0 36px;
}

.fe-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.fe-footer-card {
  border: 1px solid var(--fe-border);
  background: color-mix(in srgb, var(--fe-bg) 88%, transparent);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--fe-shadow-soft);
}

.fe-footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.fe-footer-brand .fe-brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
}

.fe-footer-title {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 14px;
  color: var(--fe-text);
}

.fe-footer-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--fe-text-muted);
  margin: 0;
}

.fe-footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.fe-footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--fe-border);
  background: color-mix(in srgb, var(--fe-primary) 7%, transparent);
  color: var(--fe-text);
  font-weight: 800;
  font-size: 13px;
}

.fe-footer-badge i {
  color: var(--fe-primary);
}

/* Links */
.fe-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.fe-footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--fe-text-muted);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.fe-footer-links a:hover {
  color: var(--fe-primary);
  transform: translateX(3px);
}

.fe-footer-links i {
  color: var(--fe-primary);
  font-size: 12px;
}

/* Contact list */
.fe-footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.fe-footer-contact li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--fe-text-muted);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.6;
}

.fe-footer-contact i {
  color: var(--fe-primary);
  margin-top: 3px;
  font-size: 16px;
}

.fe-footer-contact a {
  color: var(--fe-text-muted);
  text-decoration: none;
}

.fe-footer-contact a:hover {
  color: var(--fe-primary);
}

/* Bottom bar */
.fe-footer-bottom {
  border-top: 1px solid var(--fe-border);
  padding: 18px 0;
  background: color-mix(in srgb, var(--fe-bg) 90%, transparent);
}

.fe-footer-bottom-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}

.fe-footer-copyright {
  margin: 0;
  font-size: 13px;
  color: var(--fe-text-soft);
  font-weight: 700;
}

.fe-footer-bottom-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--fe-text-soft);
}

.fe-footer-bottom-links a {
  color: var(--fe-text-soft);
  text-decoration: none;
}

.fe-footer-bottom-links a:hover {
  color: var(--fe-primary);
}

.fe-footer-divider {
  color: color-mix(in srgb, var(--fe-text-soft) 45%, transparent);
}

/* Footer responsive */
@media (min-width: 768px) {
  .fe-footer-grid {
    grid-template-columns: 2fr 1fr 1.35fr;
    gap: 28px;
  }

  .fe-footer-bottom-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* Accessibility */
.fe-nav-links a:focus-visible,
.fe-nav-toggle:focus-visible,
.fe-mobile-menu-close:focus-visible,
.fe-icon-btn:focus-visible,
.fe-footer a:focus-visible {
  outline: 2px solid var(--fe-primary);
  outline-offset: 2px;
}

/* Smooth scroll with offset for fixed header */
html {
  scroll-padding-top: calc(var(--fe-header-height) + 20px);
}

@media (prefers-reduced-motion: reduce) {
  * { 
    transition: none !important; 
    animation: none !important;
  }
}