/* ─── TUNDRA FUEL LINE KIT PAGE STYLES (extends main /style.css) ─── */

/* Pull in the same CSS custom properties aliases that buy-with-me uses */
:root {
  --dark:    var(--ink);
  --dark-2:  var(--ink-2);
  --dark-3:  var(--panel);
  --text-muted: var(--muted);
  --transition: var(--t);
}

.flk-page {
  background:
    linear-gradient(180deg, rgba(10,10,10,0) 0, var(--ink) 640px),
    radial-gradient(circle at 22% 18%, rgba(232,93,4,0.11), transparent 32%),
    radial-gradient(circle at 80% 34%, rgba(244,140,6,0.07), transparent 28%),
    var(--ink);
}
.flk-page .container {
  max-width: 1320px;
  padding-left: 32px;
  padding-right: 32px;
}

/* ─── HERO ───────────────────────────────────────────────────── */
.flk-hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 132px 0 80px;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.14) 0%, rgba(0,0,0,0.36) 36%, rgba(0,0,0,0.88) 62%, rgba(0,0,0,0.93) 100%),
    linear-gradient(0deg, rgba(0,0,0,0.70) 0%, rgba(0,0,0,0.1) 40%),
    url('/hero.jpg') left center / cover no-repeat;
  overflow: hidden;
}
.flk-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.52;
  pointer-events: none;
}
.flk-hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.16) 0%, rgba(10,10,10,0) 38%, var(--ink) 100%),
    radial-gradient(circle at 74% 44%, rgba(232,93,4,0.14), transparent 30%);
  pointer-events: none;
}
.flk-hero__content {
  position: relative;
  z-index: 2;
  width: min(64vw, 840px);
  max-width: 840px;
  margin-left: auto;
}
.flk-hero .hero__title {
  font-size: clamp(3.4rem, 5.8vw, 6.6rem);
  max-width: 800px;
}
.flk-hero .hero__sub {
  max-width: 740px;
  color: #d8d8d8;
  text-shadow: 0 3px 18px rgba(0,0,0,0.6);
}
.flk-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -14px 0 32px;
}
.flk-hero__facts span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius);
  background: rgba(10,10,10,0.56);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

/* ─── FITMENT BAR ────────────────────────────────────────────── */
.flk-fitment-bar {
  background: rgba(255,106,26,0.08);
  border-top: 1px solid rgba(255,106,26,0.22);
  border-bottom: 1px solid rgba(255,106,26,0.22);
  padding: 14px 0;
  overflow-x: auto;
}
.flk-fitment-bar__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.flk-fitment-bar__label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  white-space: nowrap;
}
.flk-fitment-bar__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.flk-fitment-bar__chips span {
  font-size: 0.82rem;
  color: var(--text);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}
.flk-fitment-bar__engines {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
  margin-left: auto;
}

/* ─── KIT GRID ───────────────────────────────────────────────── */
.flk-kit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.flk-kit-item {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.007)),
    var(--panel);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: 0 16px 36px rgba(0,0,0,0.22);
  transition: transform var(--t), border-color var(--t);
}
.flk-kit-item:hover {
  transform: translateY(-3px);
  border-color: rgba(255,106,26,0.38);
}
.flk-kit-item__icon {
  font-size: 1.9rem;
  margin-bottom: 12px;
}
.flk-kit-item h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.flk-kit-item p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ─── REASONS ────────────────────────────────────────────────── */
.flk-reasons {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}
.flk-reason {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.025), transparent),
    var(--ink);
  border: 1px solid rgba(255,255,255,0.08);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 14px 32px rgba(0,0,0,0.18);
}
.flk-reason__num {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  opacity: 0.7;
}
.flk-reason h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.flk-reason p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ─── BUY PANEL ──────────────────────────────────────────────── */
.flk-buy-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 1060px;
  margin: 40px auto 0;
  background:
    linear-gradient(135deg, rgba(255,106,26,0.07), rgba(255,255,255,0.015)),
    var(--panel);
  border: 1px solid rgba(255,106,26,0.3);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 24px 56px rgba(0,0,0,0.32), 0 0 0 1px rgba(255,106,26,0.12);
}
.flk-price-block {
  margin-bottom: 24px;
}
.flk-price-block__main {
  font-family: var(--font-head);
  font-size: 3.8rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.flk-price-block__ship {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 6px;
}
.flk-price-block__total {
  font-family: var(--font-head);
  color: var(--orange);
  font-size: 1rem;
  letter-spacing: 0.06em;
  margin-top: 4px;
}
.flk-includes-list {
  list-style: none;
  margin-bottom: 20px;
}
.flk-includes-list li {
  padding: 7px 0 7px 22px;
  position: relative;
  font-size: 0.94rem;
  color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.flk-includes-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}
.flk-note {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}
.flk-buy-panel__right h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.flk-buy-panel__right > p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 22px;
  line-height: 1.6;
}
.btn--full { width: 100%; justify-content: center; }

.flk-status {
  padding: 13px 15px;
  border-radius: var(--radius);
  margin-bottom: 14px;
  font-size: 0.92rem;
  line-height: 1.5;
}
.flk-status--error {
  background: rgba(239,68,68,0.10);
  border: 1px solid rgba(239,68,68,0.38);
  color: #fca5a5;
}
.flk-status--info {
  background: rgba(59,130,246,0.10);
  border: 1px solid rgba(59,130,246,0.38);
  color: #93c5fd;
}

.flk-secure-note {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 12px;
}
.flk-secure-note svg { flex-shrink: 0; opacity: 0.6; }

.flk-alt-contact {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.flk-alt-contact > p {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 10px;
}

/* ─── OPTION CARDS ───────────────────────────────────────────── */
.flk-option {
  display: block;
  cursor: pointer;
  margin-bottom: 12px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.10);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.005)),
    var(--ink);
  transition: border-color var(--t), background var(--t), box-shadow var(--t);
}
.flk-option:last-of-type { margin-bottom: 16px; }
.flk-option:hover {
  border-color: rgba(255,106,26,0.35);
}
.flk-option--active {
  border-color: var(--orange) !important;
  background:
    linear-gradient(135deg, rgba(255,106,26,0.10), rgba(255,255,255,0.01)),
    var(--ink) !important;
  box-shadow: 0 0 0 1px rgba(255,106,26,0.25), 0 8px 24px rgba(255,106,26,0.12);
}
.flk-option__inner {
  padding: 16px 18px;
}
.flk-option__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}
.flk-option__name {
  font-family: var(--font-head);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--white);
}
.flk-option__price {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--orange);
  white-space: nowrap;
}
.flk-option__price small {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 400;
}
.flk-option__desc {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
  margin-bottom: 8px;
}
.flk-option__badge {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: var(--muted);
}
.flk-option__badge--accent {
  background: rgba(255,106,26,0.12);
  color: var(--orange);
}

/* ─── FAQ ────────────────────────────────────────────────────── */
.flk-faq {
  max-width: 860px;
  margin: 40px auto 0;
  display: grid;
  gap: 10px;
}
.flk-faq__item {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.005)),
    var(--panel);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius);
  overflow: hidden;
}
.flk-faq__item summary {
  list-style: none;
  padding: 18px 22px;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--white);
  letter-spacing: 0.03em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: color var(--t);
}
.flk-faq__item summary::-webkit-details-marker { display: none; }
.flk-faq__item summary::after {
  content: "+";
  color: var(--orange);
  font-size: 1.4rem;
  line-height: 1;
  transition: transform var(--t);
}
.flk-faq__item[open] summary { color: var(--orange); }
.flk-faq__item[open] summary::after { transform: rotate(45deg); }
.flk-faq__item > p {
  padding: 0 22px 18px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}
.flk-faq__item > p a { color: var(--orange); text-decoration: underline; }

/* ─── SECTION HELPERS ────────────────────────────────────────── */
.flk-page .section {
  position: relative;
}
.flk-page .section::before {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, transparent, #000 18%, #000 82%, transparent);
  opacity: 0.48;
}
.flk-page .section > .container { position: relative; z-index: 1; }
.section--alt {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.022), transparent 34%),
    var(--ink-2);
}
.flk-page .footer { padding: 48px 0 32px; margin-top: 0; }
.flk-page .footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
}
.flk-page .footer__mrb a,
.flk-page .footer__group a:hover { color: var(--orange); }

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .flk-kit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 960px) {
  .flk-hero {
    min-height: 82vh;
    background:
      linear-gradient(180deg, rgba(0,0,0,0.44) 0%, rgba(0,0,0,0.70) 52%, rgba(0,0,0,0.93) 100%),
      url('/hero.jpg') 38% center / cover no-repeat;
  }
  .flk-hero__content {
    margin-left: 0;
    width: auto;
    max-width: 720px;
  }
  .flk-buy-panel {
    grid-template-columns: 1fr;
  }
  .flk-page .footer__inner { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .flk-kit-grid {
    grid-template-columns: 1fr;
  }
  .flk-reason {
    grid-template-columns: 44px 1fr;
    gap: 14px;
  }
}
@media (max-width: 640px) {
  .flk-page .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .flk-hero {
    min-height: auto;
    padding: 116px 0 68px;
  }
  .flk-hero .hero__title {
    font-size: clamp(2.8rem, 14vw, 4.4rem);
  }
  .flk-buy-panel {
    padding: 26px 20px;
  }
  .flk-price-block__main {
    font-size: 3rem;
  }
  .flk-fitment-bar__inner {
    gap: 10px;
  }
  .flk-fitment-bar__engines {
    margin-left: 0;
  }
}