/* ==========================================================
   VANVAAR — SHARP / HARD-SHADOW THEME
   White canvas, black ink, electric blue accent
   ========================================================== */
:root {
  --black:        #0D0D0D;
  --white:        #FFFFFF;
  --off-white:    #F5F5F6;
  --blue:         #47596C;
  --blue-dark:    #34424F;
  --gray:         #6B7280;
  --gray-light:   #A1A7B0;
  --line:         #E4E4E7;

  --font-main:    'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --topbar-h:     56px;
  --bottombar-h:  52px;
  --transition:   0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 4px 4px 0 var(--black);
  --shadow-sm-hover: 6px 6px 0 var(--blue);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font-main);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--blue); color: var(--white); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.icon-btn {
  background: none;
  border: none;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--black);
  border-radius: 0;
  transition: color var(--transition), transform var(--transition);
}
.icon-btn:hover { color: var(--blue); transform: translateY(-1px); }
.icon-btn svg { width: 20px; height: 20px; }

/* ==========================================================
   TOP BAR
   ========================================================== */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--topbar-h);
  background: var(--white);
  border-bottom: 2px solid var(--black);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(0.75rem, 4vw, 2rem);
}

.brand-logo {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  height: 32px;
  display: flex;
  align-items: center;
  animation: logoDropIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  transition: transform var(--transition);
}
.brand-logo:hover { transform: translate(-50%, -50%) rotate(-3deg) scale(1.05); }
.logo-text {
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  color: var(--black);
  text-transform: uppercase;
}
.accent { color: var(--blue); }

@keyframes logoDropIn {
  0%   { opacity: 0; transform: translate(-50%, -80%) scale(0.7); }
  60%  { opacity: 1; transform: translate(-50%, -45%) scale(1.08); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.search-box {
  position: absolute;
  left: clamp(0.75rem, 4vw, 2rem);
  top: 50%;
  transform: translateY(-50%) scaleX(0);
  transform-origin: left center;
  display: flex;
  align-items: center;
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: 0;
  width: min(90vw, 380px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition), opacity var(--transition), box-shadow var(--transition);
  z-index: 2;
}
.search-box.open {
  transform: translateY(-50%) scaleX(1);
  opacity: 1;
  pointer-events: auto;
  box-shadow: var(--shadow-sm);
}
.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--black);
  padding: 0.55rem 0.85rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
}
.search-box input:focus { outline: none; }
.search-box input::placeholder { color: var(--gray-light); }

/* ==========================================================
   SIDE MENU
   ========================================================== */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,13,13,0.5);
  z-index: 250;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.menu-overlay.open { opacity: 1; pointer-events: auto; }

.side-menu {
  position: fixed;
  top: 0; right: 0;
  height: 100%;
  width: min(80vw, 300px);
  background: var(--white);
  border-left: 2px solid var(--black);
  z-index: 260;
  transform: translateX(100%);
  transition: transform var(--transition);
  display: flex;
  flex-direction: column;
}
.side-menu.open { transform: translateX(0); }

.side-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 2px solid var(--black);
}
.side-menu-brand {
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--black);
}

.side-menu-list { list-style: none; padding: 0.5rem 0; overflow-y: auto; }
.side-menu-list li a {
  display: block;
  color: var(--black);
  padding: 0.85rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-left: 4px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.side-menu-list li a:hover {
  background: var(--off-white);
  border-left-color: var(--blue);
  color: var(--blue);
}
.side-menu-list .divider {
  height: 2px;
  background: var(--line);
  margin: 0.4rem 1.25rem;
}

/* ==========================================================
   MAIN CONTENT AREA
   ========================================================== */
main#mainContent {
  padding-top: var(--topbar-h);
  padding-bottom: calc(var(--bottombar-h) + 10px);
  min-height: 100vh;
}

.view { display: none; }
.view.active { display: block; }

/* ---------- HERO ---------- */
.hero {
  padding: clamp(2.75rem, 9vw, 4.75rem) clamp(1.25rem, 6vw, 3rem) clamp(2rem, 6vw, 3rem);
}
.hero-title {
  font-family: var(--font-main);
  font-size: clamp(2.5rem, 10vw, 4.8rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}
.hero-sub {
  color: var(--gray);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  line-height: 1.6;
  max-width: 28rem;
}

/* ---------- ROW HEAD ---------- */
.row-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 2.2rem clamp(1.25rem, 6vw, 3rem) 1rem;
}
.row-head h2 {
  font-family: var(--font-main);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.005em;
  text-transform: uppercase;
}
.see-all {
  font-family: var(--font-main);
  font-size: 0.85rem;
  color: var(--black);
  font-weight: 700;
  letter-spacing: 0.02em;
  border-bottom: 2px solid var(--black);
  padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}
.see-all:hover { color: var(--blue); border-color: var(--blue); }

/* ---------- VIDEO GRID (16:9 landscape cards) ---------- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  padding: 0 clamp(1.25rem, 6vw, 3rem) 1.5rem;
}
@media (max-width: 600px) {
  .video-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.video-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  cursor: pointer;
}
.video-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--off-white);
  border: 2px solid var(--black);
  border-radius: 0;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.video-card.empty .video-thumb {
  background-image: repeating-linear-gradient(45deg, #f0f0f0, #f0f0f0 12px, #e6e6e8 12px, #e6e6e8 24px);
}
.video-card:hover .video-thumb {
  border-color: var(--blue);
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-sm-hover);
}
.video-info { display: flex; flex-direction: column; gap: 0.2rem; }
.video-title {
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.35;
}
.video-meta {
  font-size: 0.82rem;
  color: var(--gray);
  font-weight: 500;
}

/* ---------- PAGE HEADINGS ---------- */
.page-head {
  padding: clamp(1.5rem, 6vw, 2.5rem) clamp(1.25rem, 6vw, 3rem) 1.2rem;
  border-bottom: 2px solid var(--black);
  margin-bottom: 1.5rem;
}
.page-head h2 {
  font-family: var(--font-main);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800;
  text-transform: uppercase;
}
.page-head p { color: var(--gray); margin-top: 0.4rem; font-size: 0.95rem; }

.full-grid { padding-bottom: 3rem; }

/* ---------- ABOUT PAGE BODY ---------- */
.about-body {
  padding: 0 clamp(1.25rem, 6vw, 3rem) 3rem;
  max-width: 42rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.about-body p {
  font-size: 1rem;
  line-height: 1.75;
  color: #333;
}

/* ---------- STATIC AUTH FORMS ---------- */
.auth-form {
  max-width: 24rem;
  margin: 0 auto;
  padding: 1.5rem clamp(1.25rem, 6vw, 3rem) 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.auth-form input {
  padding: 0.85rem 1rem;
  border: 2px solid var(--black);
  border-radius: 0;
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.auth-form input:focus { outline: none; border-color: var(--blue); box-shadow: 3px 3px 0 var(--blue); }

/* ---------- SHARP HARD-SHADOW BUTTONS ---------- */
.btn {
  font-family: var(--font-main);
  letter-spacing: 0.02em;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  padding: 0.85rem 1.75rem;
  border-radius: 0;
  border: 2px solid var(--black);
  background: var(--white);
  color: var(--black);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-sm-hover);
  border-color: var(--blue);
  color: var(--blue);
}
.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--black);
}
.btn-primary { background: var(--black); color: var(--white); }
.btn-primary:hover { background: var(--blue); border-color: var(--black); color: var(--white); }
.btn-full { width: 100%; justify-content: center; display: flex; }

/* ==========================================================
   FOOTER
   ========================================================== */
.site-footer {
  background: var(--black);
  color: var(--white);
  padding: 2.5rem clamp(1.25rem, 6vw, 3rem) 2rem;
  text-align: center;
}
.social-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}
.social-icons a {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid #333;
  color: var(--white);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.social-icons a svg { width: 17px; height: 17px; fill: currentColor; }
.social-icons a:hover { background: var(--blue); border-color: var(--blue); transform: translateY(-2px); }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #B0B0B0;
  margin-bottom: 1.2rem;
}
.footer-links a:hover { color: var(--blue); }

.copyright {
  font-size: 0.78rem;
  color: #777;
}

/* ==========================================================
   BOTTOM BAR
   ========================================================== */
.bottombar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--bottombar-h);
  display: flex;
  align-items: center;
  justify-content: space-around;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 2px solid var(--black);
  padding-bottom: env(safe-area-inset-bottom);
  transition: transform var(--transition), opacity var(--transition);
}
.bottombar.hidden {
  transform: translateY(110%);
  opacity: 0;
  pointer-events: none;
}
.tab-btn {
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  color: var(--gray);
  padding: 3px 8px;
  transition: color var(--transition);
}
.tab-btn svg { width: 19px; height: 19px; transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1); }
.tab-btn span {
  font-family: var(--font-main);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.tab-btn:hover { color: var(--blue); }
.tab-btn.active { color: var(--blue); }

/* Click-pop animation on bottom nav icons */
.tab-btn.pop svg { animation: navPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); }
@keyframes navPop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.35) rotate(-6deg); }
  70%  { transform: scale(0.92) rotate(3deg); }
  100% { transform: scale(1) rotate(0); }
}