/* Need for Speed Karting Championship - custom layer on top of Tailwind CDN */

:root {
  --nfs-yellow: #facc15;
  --nfs-red: #ce1126;
  --nfs-green: #009e49;
  --nfs-ink: #0a0a0a;
  --nfs-card: #111111;
  --nfs-border: rgba(250, 204, 21, 0.18);
}

html { scroll-behavior: smooth; }

html, body {
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--nfs-ink);
  color: #fff;
  -webkit-font-smoothing: antialiased;
}

.heading-font {
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.03em;
}

/* ---------- layered Guyana flag chevron backdrop ---------- */
.flag-chevron {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.flag-chevron::before,
.flag-chevron::after {
  content: '';
  position: absolute;
  top: 0;
  left: -10%;
  width: 45%;
  height: 100%;
  transform: skewX(-18deg);
  opacity: 0.18;
  filter: blur(1px);
}
.flag-chevron::before {
  background: linear-gradient(180deg, var(--nfs-green) 0%, transparent 100%);
}
.flag-chevron::after {
  left: auto;
  right: -10%;
  transform: skewX(-18deg);
  background: linear-gradient(180deg, var(--nfs-red) 0%, transparent 100%);
}

/* ---------- hero video frame ---------- */
.video-frame {
  position: relative;
  border-radius: 32px;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--nfs-border);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8);
}
.video-frame video,
.video-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.video-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 50% at 50% 100%, rgba(0, 0, 0, 0.55), transparent);
  pointer-events: none;
}

/* 16:9 frame for placeholders */
.aspect-video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
}

/* ---------- cards ---------- */
.nfs-card {
  background: var(--nfs-card);
  border: 1px solid var(--nfs-border);
  border-radius: 28px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.nfs-card:hover {
  transform: translateY(-4px);
  border-color: rgba(250, 204, 21, 0.45);
  box-shadow: 0 22px 45px -20px rgba(250, 204, 21, 0.25);
}

/* ---------- pills ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1rem;
  border-radius: 9999px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pill-yellow { background: rgba(250, 204, 21, 0.12); color: var(--nfs-yellow); }
.pill-red    { background: rgba(206, 17, 38, 0.16);  color: #ff6776; }
.pill-green  { background: rgba(0, 158, 73, 0.16);   color: #4ade80; }
.pill-white  { background: rgba(255, 255, 255, 0.08); color: #fff;   }
.pill-mg-red    { background: #ce1126; color: #fff; }
.pill-mg-yellow { background: var(--nfs-yellow); color: #000; }
.pill-lecont    { background: #fff; color: #000; }

/* ---------- pulse dot ---------- */
.pulse-dot {
  width: .55rem; height: .55rem; border-radius: 9999px;
  background: var(--nfs-yellow);
  box-shadow: 0 0 0 0 rgba(250, 204, 21, 0.7);
  animation: nfsPulse 1.8s infinite;
}
.pulse-dot.red   { background: var(--nfs-red);   box-shadow: 0 0 0 0 rgba(206,17,38,0.6);  }
.pulse-dot.green { background: var(--nfs-green); box-shadow: 0 0 0 0 rgba(0,158,73,0.6);   }
@keyframes nfsPulse {
  0%   { box-shadow: 0 0 0 0 rgba(250, 204, 21, 0.6); }
  70%  { box-shadow: 0 0 0 12px rgba(250, 204, 21, 0); }
  100% { box-shadow: 0 0 0 0 rgba(250, 204, 21, 0); }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  padding: 1rem 1.75rem;
  border-radius: 9999px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--nfs-yellow);
  color: #000;
}
.btn-primary:hover { background: #fff; }
.btn-ghost {
  border: 1px solid rgba(250, 204, 21, 0.5);
  color: #fff;
}
.btn-ghost:hover { border-color: var(--nfs-yellow); color: var(--nfs-yellow); }
.btn-red {
  background: var(--nfs-red); color: #fff;
}
.btn-red:hover { background: #ff233c; }

/* ---------- checkered strip ---------- */
.checker-strip {
  background-image:
    linear-gradient(45deg, #fff 25%, transparent 25%),
    linear-gradient(-45deg, #fff 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #fff 75%),
    linear-gradient(-45deg, transparent 75%, #fff 75%);
  background-size: 18px 18px;
  background-position: 0 0, 0 9px, 9px -9px, -9px 0;
  background-color: #000;
  height: 12px;
  width: 100%;
  opacity: 0.85;
}

/* ---------- form ---------- */
.field {
  width: 100%;
  background: #0a0a0a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 14px 16px;
  color: #fff;
  font-size: 15px;
  transition: border-color .2s ease, background .2s ease;
}
.field:focus {
  outline: none;
  border-color: var(--nfs-yellow);
  background: #000;
}
.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 6px;
}

/* ---------- tire badge helpers ---------- */
.tire {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .25rem .65rem;
  border-radius: 6px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- reveal / parallax helpers ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .7s ease, transform .7s ease;
}

/* ---------- multi-step progress bar ---------- */
.stepper-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  overflow: hidden;
}
.stepper-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--nfs-green), var(--nfs-yellow), var(--nfs-red));
  transition: width .4s ease;
}

/* ---------- utility ---------- */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

.diag-stripes {
  background: repeating-linear-gradient(
    135deg,
    rgba(250, 204, 21, 0.08) 0 12px,
    transparent 12px 24px
  );
}

/* signature canvas */
.sig-canvas {
  background: #fff;
  border-radius: 16px;
  touch-action: none;
}

/* class card selected state */
.class-card.selected {
  border-color: var(--nfs-yellow);
  box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.35);
}

/* ---------- PDF thumbnail card ---------- */
.pdf-thumb-link { display: inline-block; }
.pdf-thumb-frame {
  position: relative;
  width: 200px;
  aspect-ratio: 8.5 / 11;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--nfs-border);
  background: #e5e5e5;
  box-shadow: 0 18px 36px -18px rgba(0,0,0,0.8), 0 2px 0 rgba(255,255,255,0.05) inset;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pdf-thumb-link:hover .pdf-thumb-frame {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--nfs-yellow);
  box-shadow: 0 22px 44px -18px rgba(250,204,21,0.35);
}
.pdf-thumb {
  display: block;
  width: 100%;
  height: 100%;
  background: #fff;
}
.pdf-thumb.loading {
  background: repeating-linear-gradient(45deg, #eaeaea 0 10px, #f5f5f5 10px 20px);
}
.pdf-thumb-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 8px 10px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.75));
  color: #fff;
  font-size: 12px;
  text-align: right;
  opacity: 0;
  transition: opacity .2s ease;
}
.pdf-thumb-link:hover .pdf-thumb-overlay { opacity: 1; }
.pdf-thumb-overlay i { color: var(--nfs-yellow); }

/* fade-in overlay for payment modal */
.fade-in { animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }

/* ---------- mobile nav dropdown ----------
   The header uses Tailwind's `hidden lg:flex` pattern. On mobile when the
   hamburger removes `hidden`, we need a proper stacked dropdown since
   flex utilities only kick in at lg:. These rules take over below 1024px. */
@media (max-width: 1023px) {
  header { position: sticky; }
  [data-nav-menu]:not(.hidden) {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--nfs-border);
    border-bottom: 1px solid var(--nfs-border);
    padding: 0.5rem 1.25rem 1rem;
    font-size: 1rem;
    animation: navSlide 0.18s ease-out;
    z-index: 60;
    box-shadow: 0 24px 40px -20px rgba(0, 0, 0, 0.8);
  }
  [data-nav-menu]:not(.hidden) a {
    display: block;
    padding: 0.9rem 0.25rem;
    font-size: 1.0625rem;
    font-weight: 600;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  [data-nav-menu]:not(.hidden) a:last-child {
    border-bottom: none;
  }
  [data-nav-menu]:not(.hidden) a:hover,
  [data-nav-menu]:not(.hidden) a:focus,
  [data-nav-menu]:not(.hidden) a.text-yellow-400 {
    color: var(--nfs-yellow);
  }
  /* morph the hamburger to an X when the menu is open */
  [data-nav-toggle][aria-expanded="true"] i::before {
    content: "\f00d"; /* fa-xmark */
  }
}
@keyframes navSlide {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}