/* ═══════════════════════════════════════════════════
   ELEVARE — shared.css
   ═══════════════════════════════════════════════════ */

:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --accent: #cc0000;
  --accent2: #003366;
  --border: rgba(0,0,0,0.18);
  --muted: rgba(0,0,0,0.45);
  --card-bg: #f7f7f5;
}
.dark {
  --bg: #050505;
  --fg: #f0f0ee;
  --border: rgba(255,255,255,0.15);
  --muted: rgba(255,255,255,0.45);
  --card-bg: rgba(255,255,255,0.04);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px; /* Increased base font size */
  transition: background 0.4s, color 0.4s;
  scroll-behavior: smooth;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.corner-bracket {
  position: fixed; width: 28px; height: 28px;
  border: 2px solid var(--fg); z-index: 9000; pointer-events: none; opacity: 0.25;
}
.corner-bracket.top-left    { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.corner-bracket.top-right   { top: 12px; right: 12px; border-left: none; border-bottom: none; }
.corner-bracket.bottom-left { bottom: 12px; left: 12px; border-right: none; border-top: none; }
.corner-bracket.bottom-right{ bottom: 12px; right: 12px; border-left: none; border-top: none; }

.site-wrap {
  max-width: 1200px; margin: 0 auto;
  border-left: 1px solid var(--border); border-right: 1px solid var(--border);
  min-height: 100vh;
}

.site-nav {
  position: sticky; top: 0; z-index: 8000;
  background: var(--bg); border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 32px; gap: 16px;
}
.nav-left { flex-shrink: 0; }
.centre-tag {
  font-family: 'Space Mono', monospace; font-size: 11px; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  border: 3px solid var(--border); padding: 7px 11px; opacity: 0.8; display: block;
}
.nav-logo { flex-shrink: 0; }
.nav-logo img { height: 38px; width: auto; display: block; object-fit: contain; }
.nav-logo span { display: none !important; }

/* Hides the logo on iPads/small laptops before the mobile menu kicks in */
@media (max-width: 1024px) and (min-width: 769px) {
  .nav-logo { display: none !important; }
}
.nav-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

/* Separated, identifiable desktop navigation buttons */
.page-nav { display: flex; gap: 8px; }
.page-nav a { 
  font-family: 'Space Mono', monospace; font-size: 12px; font-weight: 700; 
  text-transform: uppercase; letter-spacing: 0.1em; padding: 10px 16px; 
  border: 1px solid var(--border); transition: background 0.2s, color 0.2s; 
}
.page-nav a:hover, .page-nav a.active { background: var(--fg); color: var(--bg); border-color: var(--fg); }

.theme-btn {
  background: none; border: 1px solid var(--border); color: var(--fg);
  width: 40px; height: 40px; cursor: pointer; display: flex;
  align-items: center; justify-content: center; font-size: 16px;
  transition: background 0.2s; flex-shrink: 0;
}
.theme-btn:hover { background: var(--fg); color: var(--bg); }

.enroll-btn {
  background: var(--fg); color: var(--bg); font-family: 'Unbounded', sans-serif;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  padding: 14px 24px; border: 2px solid var(--fg); display: inline-block;
  transition: background 0.2s, color 0.2s; cursor: pointer; text-align: center;
}
.enroll-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.ghost-btn {
  font-family: 'Space Mono', monospace; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em; padding: 12px 24px;
  border: 1px solid var(--border); display: inline-block; transition: background 0.2s, color 0.2s; cursor: pointer;
}
.ghost-btn:hover { background: var(--fg); color: var(--bg); }

.social-btn {
  font-family: 'Space Mono', monospace; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em; padding: 10px 16px;
  border: 1px solid var(--border); display: inline-flex; align-items: center;
  gap: 8px; transition: background 0.2s, color 0.2s;
}
.social-btn:hover { background: var(--fg); color: var(--bg); }

.section { padding: 64px 32px; }
.border-b { border-bottom: 1px solid var(--border); }
.border-t { border-top: 1px solid var(--border); }

.section-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 8px;
}
.section-title {
  font-family: 'Unbounded', sans-serif; font-weight: 900;
  font-size: clamp(18px, 3vw, 28px); text-transform: uppercase; letter-spacing: -0.01em;
}
.mono-label {
  font-family: 'Space Mono', monospace; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.2em; opacity: 0.5;
  border-bottom: 1px solid var(--border); padding-bottom: 8px;
}

.ink-gradient {
  background: linear-gradient(to right, var(--accent2), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.dark .ink-gradient {
  background: linear-gradient(to right, #60a5fa, #f87171);
  -webkit-background-clip: text; background-clip: text;
}

.barcode-strip {
  background: repeating-linear-gradient(90deg, var(--fg) 0px, var(--fg) 1px, transparent 1px, transparent 3px, var(--fg) 3px, var(--fg) 4px, transparent 4px, transparent 7px);
  opacity: 0.35;
}

.page-stamp {
  display: inline-block; border: 2px solid var(--fg);
  font-family: 'Space Mono', monospace; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.2em; padding: 6px 12px;
  opacity: 0.5; margin-bottom: 16px;
}

/* ── Tutor Cards ── */
.tutor-card { 
  border: 1px solid var(--border); overflow: hidden; 
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s; 
}
.tutor-card:hover { 
  transform: translateY(-4px); box-shadow: 4px 8px 0 0 var(--fg); border-color: var(--fg); 
}
.tutor-card-img-wrap { overflow: hidden; border-bottom: 1px solid var(--border); }
.tutor-card img { 
  display: block; width: 100%; aspect-ratio: 1/1; object-fit: cover; transition: transform 0.4s ease; 
}
.tutor-card:hover img { transform: scale(1.05); }
.tutor-desc {
  font-size: 13px; line-height: 1.6; opacity: 0.7; margin-top: 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.tutor-desc.expanded { -webkit-line-clamp: unset; }
.read-more-btn {
  font-family: 'Space Mono', monospace; font-size: 11px; font-weight: 700;
  text-transform: uppercase; cursor: pointer; margin-top: 10px; 
  border-bottom: 1px solid var(--fg); display: inline-block;
}

/* ── Auto-Sliding Reviews Carousel ── */
.reviews-slider-wrap {
  overflow: hidden; padding: 10px 0; background: transparent; position: relative;
}
.reviews-slider-wrap::before, .reviews-slider-wrap::after {
  content: ""; position: absolute; top: 0; width: 80px; height: 100%; z-index: 2; pointer-events: none;
}
.reviews-slider-wrap::before { left: 0; background: linear-gradient(to right, var(--bg) 0%, transparent 100%); }
.reviews-slider-wrap::after { right: 0; background: linear-gradient(to left, var(--bg) 0%, transparent 100%); }

.reviews-track {
  display: flex; gap: 24px; width: max-content;
  animation: review-slide 25s linear infinite;
}
.reviews-track:hover { animation-play-state: paused; }

@keyframes review-slide {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 12px)); }
}

.review-card {
  width: 380px; aspect-ratio: 4/3; border: 1px solid var(--border);
  background: var(--card-bg); overflow: hidden; flex-shrink: 0;
  cursor: zoom-in; transition: transform 0.3s, box-shadow 0.3s;
}
.review-card:hover { transform: translateY(-4px); box-shadow: 4px 8px 0 0 var(--fg); }
.review-card img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(20%); transition: filter 0.3s; }
.review-card:hover img { filter: grayscale(0%); }

/* ── HTML Pricing Tables ── */
.pricing-wrap { margin-top: 24px; }
.pricing-table { border: 2px solid var(--fg); background: var(--bg); margin-bottom: 32px; }
.pricing-header { 
  background: var(--fg); color: var(--bg); padding: 16px; text-align: center; 
  font-family: 'Unbounded', sans-serif; font-size: 20px; font-weight: 900; 
  text-transform: uppercase; letter-spacing: 0.05em; 
}
.pricing-row { 
  display: flex; justify-content: space-between; padding: 14px 20px; 
  border-bottom: 1px solid var(--border); font-size: 15px; 
}
.pricing-row:last-child { border-bottom: none; }
.pricing-row:hover { background: var(--card-bg); }
.pricing-subject { font-weight: 700; }
.pricing-price { font-family: 'Space Mono', monospace; font-weight: 700; opacity: 0.8; text-transform: uppercase; }
.pricing-grid { display: grid; grid-template-columns: 1fr; }
.pricing-subheader { background: var(--card-bg); text-align: center; padding: 10px; font-weight: 700; border-bottom: 2px solid var(--fg); font-family: 'Space Mono', monospace; text-transform: uppercase; }
.pricing-note { 
  border: 2px solid var(--fg); padding: 20px; text-align: center; 
  font-size: 14px; font-weight: 500; line-height: 1.8; background: var(--card-bg); 
}

@media (min-width: 768px) { 
  .pricing-grid { grid-template-columns: 1fr 1fr; } 
  .pricing-grid > div:first-child { border-right: 2px solid var(--fg); } 
}

/* ── Messenger FAB ── */
.messenger-fab {
  position: fixed; bottom: 24px; right: 24px; z-index: 9000;
  background: #0084ff; color: #fff; width: 64px; height: 64px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 32px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); transition: transform 0.2s; border: 2px solid transparent;
}
.messenger-fab:hover { transform: scale(1.1); color: #fff; border-color: var(--fg); }

/* ── WhatsApp FAB ── */
.whatsapp-fab {
  position: fixed; bottom: 104px; right: 24px; z-index: 9000; /* Stacks above Messenger */
  background: #25D366; color: #fff; width: 64px; height: 64px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 32px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); transition: transform 0.2s; border: 2px solid transparent;
}
.whatsapp-fab:hover { transform: scale(1.1); color: #fff; border-color: var(--fg); }

/* ── Mobile Nav Base State (Hides mobile menu on laptops) ── */
.mobile-menu { display: none; flex-direction: column; gap: 5px; background: transparent; border: none; cursor: pointer; padding: 8px; }
.mobile-menu span { width: 26px; height: 3px; background: var(--fg); display: block; }
#mobile-nav-panel { display: none; }
#mobile-nav-panel.open { display: flex; }

@media (max-width: 768px) {
  .section { padding: 40px 20px; }
  .nav-inner { padding: 16px 20px; }
  .centre-tag { display: none; }
  .review-card { width: 280px; }
  .page-nav { display: none !important; }
  .desktop-enroll { display: none !important; }
  .mobile-menu { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
  .mobile-menu span { width: 26px; height: 3px; background: var(--fg); display: block; }
}

/* ── Professional Footer ── */
.site-footer { border-top: 1px solid var(--border); padding: 48px 32px 24px 32px; background: var(--bg); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 32px; margin-bottom: 32px; }

/* Circular 500x500 Logo Formatting */
.footer-brand img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; margin-bottom: 16px; border: 1px solid var(--border); background: var(--card-bg); }
.footer-brand p { font-size: 13px; opacity: 0.6; line-height: 1.6; max-width: 260px; }

.footer-heading { font-family: 'Space Mono', monospace; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.4; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 13px; font-weight: 500; opacity: 0.7; transition: opacity 0.2s, transform 0.2s; display: inline-block; width: fit-content; }
.footer-links a:hover { opacity: 1; transform: translateX(4px); }

/* Compact Socials */
.footer-socials { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-socials a { width: 36px; height: 36px; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: background 0.2s, color 0.2s; font-size: 14px; opacity: 1; transform: none; }
.footer-socials a:hover { background: var(--fg); color: var(--bg); transform: translateY(-4px); }

/* In-line Tutor Portal Button */
.tutor-portal-link { display: inline-flex !important; align-items: center; gap: 8px; font-family: 'Space Mono', monospace; font-size: 10px !important; font-weight: 700 !important; text-transform: uppercase; padding: 8px 12px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 4px; transition: 0.2s; margin-top: 4px; }
.tutor-portal-link:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); transform: none !important; }

/* Condensed Bottom Bar */
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-family: 'Space Mono', monospace; font-size: 10px; opacity: 0.5; text-transform: uppercase; }

@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
/* ── Responsive Grids & Layouts ── */
.tutor-grid-wrapper { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; margin-top: 32px; }
.contact-action-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* ── New Review Gallery Styles ── */
.reviews-gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 32px; }
.review-tutor-card { border: 1px solid var(--border); background: var(--card-bg); padding: 16px; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; text-align: center; }
.review-tutor-card:hover { transform: translateY(-4px); box-shadow: 4px 8px 0 0 var(--fg); border-color: var(--fg); }
.review-thumbnail { width: 100%; aspect-ratio: 1/1; object-fit: cover; border: 1px solid var(--border); margin-bottom: 12px; }

/* Lightbox Controls */
.lb-controls { display: flex; justify-content: space-between; align-items: center; width: 100%; position: absolute; top: 50%; transform: translateY(-50%); padding: 0 16px; pointer-events: none; z-index: 10001; }
.lb-btn { background: var(--bg); color: var(--fg); border: 2px solid var(--fg); width: 48px; height: 48px; border-radius: 50%; display: flex; justify-content: center; align-items: center; cursor: pointer; pointer-events: auto; font-size: 18px; transition: 0.2s; }
.lb-btn:hover { background: var(--fg); color: var(--bg); }
.lb-counter { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); color: #fff; font-family: 'Space Mono', monospace; font-size: 12px; background: rgba(0,0,0,0.6); padding: 6px 16px; border-radius: 20px; z-index: 10001; font-weight: 700; letter-spacing: 0.1em; }

/* ── Mobile Overrides ── */
@media (max-width: 900px) { 
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; } 
  .footer-brand { grid-column: 1 / -1; border-bottom: 1px dashed var(--border); padding-bottom: 24px; }
  .footer-brand p { max-width: 80%; }
}

@media (max-width: 640px) { 
  .section { padding: 40px 20px; }
  .nav-inner { padding: 16px 20px; }
  .centre-tag { display: none; }
  .page-nav { display: none !important; }
  .desktop-enroll { display: none !important; }
  
  /* Shrinks tutor cards to 2 columns on mobile so they don't consume the screen */
  .tutor-grid-wrapper { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
  
  /* Forces contact buttons into a neat 2x2 grid */
  .contact-action-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .contact-action-btns .social-btn { justify-content: center; width: 100%; }

  /* Compact Footer for Mobile */
  .site-footer { padding: 40px 16px 20px 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 16px; margin-bottom: 24px; } 
  .footer-brand { grid-column: 1 / -1; } /* Keeps brand full width at top */
  .footer-brand img { width: 56px; height: 56px; }
  .footer-brand p { font-size: 12px; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; gap: 12px; }
  
  .lb-btn { width: 40px; height: 40px; font-size: 14px; }
}