/* ==========================================================================
   CarXNeo — Design System
   Palette: #D2E060 neon · #00AFEA blue · #000000 black
   Type:    Space Grotesk (display) + Inter (body)
   ========================================================================== */

:root {
  /* Brand */
  --neon:   #D2E060;
  --blue:   #00AFEA;
  --black:  #000000;
  --white:  #FFFFFF;

  /* Surfaces (derived neutrals) */
  --bg-0:   #000000;            /* page */
  --bg-1:   #0A0A0B;            /* sections */
  --bg-2:   #111114;            /* cards */
  --bg-3:   #17171C;            /* card hover */
  --line:   rgba(255,255,255,0.08);
  --line-2: rgba(255,255,255,0.14);

  /* Text */
  --text:        #F4F4F5;
  --text-dim:    #A1A1AA;
  --text-mute:   #71717A;

  /* Accents (semantic) */
  --accent:      var(--neon);
  --accent-2:    var(--blue);
  --accent-grad: linear-gradient(90deg, var(--blue) 0%, var(--neon) 100%);

  /* Type scale */
  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', Arial, sans-serif;
  --fs-xs:    0.75rem;     /* 12 */
  --fs-sm:    0.875rem;    /* 14 */
  --fs-base:  1rem;        /* 16 */
  --fs-lg:    1.125rem;    /* 18 */
  --fs-xl:    1.375rem;    /* 22 */
  --fs-2xl:   1.75rem;     /* 28 */
  --fs-3xl:   2.25rem;     /* 36 */
  --fs-4xl:   3rem;        /* 48 */
  --fs-5xl:   4rem;        /* 64 */
  --fs-6xl:   5.5rem;      /* 88 */

  /* Spacing */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4rem;
  --s-9: 6rem;
  --s-10: 8rem;

  /* Radii */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 18px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* Motion */
  --ease:  cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 160ms;
  --t-med: 320ms;
  --t-slow: 600ms;

  /* Layout */
  --container: 1240px;
  --nav-h: 72px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
h1,h2,h3,h4,h5,h6 { margin: 0; font-family: var(--font-display); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; }
p { margin: 0; }
::selection { background: var(--neon); color: var(--black); }

/* ==========================================================================
   Layout primitives
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(var(--s-5), 4vw, var(--s-7));
}
.section {
  padding-block: clamp(var(--s-8), 10vw, var(--s-10));
}
.section--tight { padding-block: clamp(var(--s-7), 7vw, var(--s-9)); }
.section--alt { background: var(--bg-1); }

.eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon);
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
}
.eyebrow::before {
  content: '';
  width: 28px; height: 1px;
  background: currentColor;
}

.h-display { font-size: clamp(var(--fs-4xl), 7vw, var(--fs-6xl)); }
.h-1 { font-size: clamp(var(--fs-3xl), 5vw, var(--fs-5xl)); }
.h-2 { font-size: clamp(var(--fs-2xl), 3.6vw, var(--fs-4xl)); }
.h-3 { font-size: clamp(var(--fs-xl), 2.4vw, var(--fs-3xl)); }
.lead { font-size: clamp(var(--fs-lg), 1.6vw, var(--fs-xl)); color: var(--text-dim); max-width: 60ch; }

.text-grad {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 0.95rem 1.6rem;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform var(--t-fast) var(--ease), background var(--t-med) var(--ease), color var(--t-med) var(--ease), border-color var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
  white-space: nowrap;
  text-align: center;
  user-select: none;
}
.btn .arrow {
  display: inline-block;
  transition: transform var(--t-med) var(--ease);
}
.btn:hover .arrow { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--neon);
  color: var(--black);
}
.btn--primary:hover {
  background: var(--white);
  box-shadow: 0 12px 30px -10px rgba(210, 224, 96, 0.55);
}

.btn--secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--line-2);
}
.btn--secondary:hover {
  border-color: var(--neon);
  color: var(--neon);
}

.btn--blue {
  background: var(--blue);
  color: var(--black);
}
.btn--blue:hover {
  background: var(--white);
  box-shadow: 0 12px 30px -10px rgba(0, 175, 234, 0.55);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  padding-inline: 0;
}
.btn--ghost::after {
  content: '';
  display: block;
  height: 1px;
  background: currentColor;
  width: 0;
  transition: width var(--t-med) var(--ease);
  position: absolute;
  bottom: -2px; left: 0;
}
.btn--ghost { position: relative; }
.btn--ghost:hover::after { width: 100%; }

/* ==========================================================================
   Nav
   ========================================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(0,0,0,0.35);
  border-bottom: 1px solid transparent;
  transition: background var(--t-med) var(--ease), border-color var(--t-med) var(--ease);
}
.nav.is-scrolled {
  background: rgba(0,0,0,0.85);
  border-bottom-color: var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(var(--s-5), 4vw, var(--s-7));
}
.nav__logo img { height: 28px; width: auto; }
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--s-7);
}
.nav__menu a {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-dim);
  position: relative;
  padding-block: var(--s-2);
  transition: color var(--t-fast) var(--ease);
}
.nav__menu a:hover, .nav__menu a[aria-current="page"] { color: var(--text); }
.nav__menu a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--neon);
}
.nav__cta { display: flex; align-items: center; gap: var(--s-3); }
.nav__burger {
  display: none;
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
  color: var(--text);
}
.nav__burger span {
  position: relative;
  display: block;
  width: 18px; height: 2px;
  background: currentColor;
}
.nav__burger span::before,
.nav__burger span::after {
  content: '';
  position: absolute;
  left: 0; width: 18px; height: 2px;
  background: currentColor;
  transition: transform var(--t-med) var(--ease);
}
.nav__burger span::before { top: -6px; }
.nav__burger span::after  { top:  6px; }
.nav.is-open .nav__burger span { background: transparent; }
.nav.is-open .nav__burger span::before { transform: translateY(6px) rotate(45deg); }
.nav.is-open .nav__burger span::after  { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav__menu, .nav__cta .btn--secondary { display: none; }
  .nav__burger { display: inline-flex; }
  .nav.is-open .nav__menu {
    display: flex;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: var(--bg-0);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-4);
    padding: var(--s-7) clamp(var(--s-5), 4vw, var(--s-7));
    border-top: 1px solid var(--line);
  }
  .nav.is-open .nav__menu a { font-size: var(--fs-2xl); color: var(--text); }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 80% 20%, rgba(0,175,234,0.18), transparent 60%),
    radial-gradient(40% 35% at 15% 85%, rgba(210,224,96,0.18), transparent 70%),
    linear-gradient(180deg, #050507 0%, #000 100%);
}
.hero__bg::after {
  /* will be overridden once /assets/hero.jpg exists */
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/hero.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  mix-blend-mode: screen;
}
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 60%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 60%, #000 30%, transparent 75%);
}
.hero__content {
  max-width: 880px;
  padding-block: var(--s-9);
}
.hero__title {
  margin-top: var(--s-5);
}
.hero__sub {
  margin-top: var(--s-6);
  max-width: 56ch;
}
.hero__ctas {
  margin-top: var(--s-7);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}
.hero__stats {
  margin-top: var(--s-9);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--s-6);
  max-width: 720px;
}
.hero__stat .num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}
.hero__stat .lbl {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-top: var(--s-2);
}

/* ==========================================================================
   Cards & product grid
   ========================================================================== */
.grid {
  display: grid;
  gap: var(--s-5);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid--4, .grid--3 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  transition: border-color var(--t-med) var(--ease), background var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}
.card:hover {
  background: var(--bg-3);
  border-color: var(--line-2);
}

.product {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}
.product:hover { border-color: var(--neon); }
.product__media {
  aspect-ratio: 1 / 1;
  position: relative;
  background:
    radial-gradient(circle at 50% 40%, rgba(0,175,234,0.18), transparent 60%),
    linear-gradient(135deg, #15151B, #0A0A0E);
  overflow: hidden;
}
.product__media img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease-out);
}
.product:hover .product__media img { transform: scale(1.04); }
.product__tag {
  position: absolute;
  top: var(--s-4); left: var(--s-4);
  background: var(--neon);
  color: var(--black);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: var(--r-pill);
}
.product__body {
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  flex: 1;
}
.product__name {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}
.product__spec {
  color: var(--text-dim);
  font-size: var(--fs-sm);
  flex: 1;
}
.product__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--s-3);
}
.product__price {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  color: var(--text);
}
.product__price small { color: var(--text-mute); font-weight: 400; }

/* Filter chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-bottom: var(--s-6);
}
.chip {
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 500;
  padding: 0.5rem 1.1rem;
  transition: all var(--t-med) var(--ease);
}
.chip:hover { color: var(--text); border-color: var(--text); }
.chip.is-active {
  background: var(--neon);
  color: var(--black);
  border-color: var(--neon);
}

/* ==========================================================================
   Feature row / value props
   ========================================================================== */
.feature {
  padding: var(--s-6);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.feature__icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  background: rgba(210, 224, 96, 0.12);
  color: var(--neon);
}
.feature__icon svg { width: 22px; height: 22px; }
.feature h3 {
  font-size: var(--fs-xl);
}
.feature p { color: var(--text-dim); }

/* ==========================================================================
   Forms
   ========================================================================== */
.form {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(var(--s-5), 4vw, var(--s-7));
}
.form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
}
@media (max-width: 700px) { .form__grid { grid-template-columns: 1fr; } }
.form__row { display: flex; flex-direction: column; gap: var(--s-2); }
.form__row.full { grid-column: 1 / -1; }
.form__label {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.form__input,
.form__select,
.form__textarea {
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  padding: 0.9rem 1rem;
  color: var(--text);
  font-size: var(--fs-base);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--neon);
  background: var(--bg-0);
}
.form__textarea { min-height: 130px; resize: vertical; }
.form__submit { margin-top: var(--s-5); }
.form__note {
  margin-top: var(--s-4);
  color: var(--text-mute);
  font-size: var(--fs-sm);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 1px solid var(--line);
  padding-block: var(--s-8) var(--s-6);
  background: var(--bg-0);
  margin-top: var(--s-10);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--s-7);
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__brand img { height: 28px; margin-bottom: var(--s-4); }
.footer__brand p { color: var(--text-dim); max-width: 36ch; }
.footer__col h4 {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  font-weight: 500;
  margin-bottom: var(--s-4);
}
.footer__col li { margin-bottom: var(--s-2); }
.footer__col a { color: var(--text-dim); font-size: var(--fs-sm); transition: color var(--t-fast) var(--ease); }
.footer__col a:hover { color: var(--neon); }
.footer__base {
  margin-top: var(--s-8);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  color: var(--text-mute);
  font-size: var(--fs-sm);
  flex-wrap: wrap;
}

/* ==========================================================================
   Marquee strip (trust signals)
   ========================================================================== */
.marquee {
  border-block: 1px solid var(--line);
  background: var(--bg-1);
  padding-block: var(--s-5);
  overflow: hidden;
}
.marquee__track {
  display: flex;
  gap: var(--s-9);
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  width: max-content;
}
.marquee__item {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: inline-flex;
  align-items: center;
  gap: var(--s-4);
}
.marquee__item::after {
  content: '';
  width: 6px; height: 6px;
  background: var(--neon);
  border-radius: 50%;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band {
  background: var(--accent-grad);
  color: var(--black);
  border-radius: var(--r-xl);
  padding: clamp(var(--s-7), 6vw, var(--s-9));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
  flex-wrap: wrap;
}
.cta-band h2 { color: var(--black); max-width: 22ch; }
.cta-band .btn--primary { background: var(--black); color: var(--white); }
.cta-band .btn--primary:hover { background: var(--white); color: var(--black); }

/* ==========================================================================
   Split section (image + content)
   ========================================================================== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--s-6), 5vw, var(--s-9));
  align-items: center;
}
.split--reverse > :first-child { order: 2; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .split--reverse > :first-child { order: 0; }
}
.split__media {
  aspect-ratio: 4 / 5;
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 30% 30%, rgba(0,175,234,0.25), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(210,224,96,0.20), transparent 50%),
    linear-gradient(135deg, #13131A, #050508);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.split__media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   Scroll-in animations (handled by main.js adding .is-in)
   ========================================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
}
.fade-up.is-in { opacity: 1; transform: none; }
.fade-up[data-delay="1"] { transition-delay: 80ms; }
.fade-up[data-delay="2"] { transition-delay: 160ms; }
.fade-up[data-delay="3"] { transition-delay: 240ms; }
.fade-up[data-delay="4"] { transition-delay: 320ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .fade-up { opacity: 1; transform: none; }
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq details {
  border-bottom: 1px solid var(--line);
  padding-block: var(--s-5);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  color: var(--neon);
  font-size: var(--fs-2xl);
  font-weight: 300;
  transition: transform var(--t-med) var(--ease);
}
.faq details[open] summary::after { content: '−'; transform: rotate(180deg); }
.faq p {
  margin-top: var(--s-3);
  color: var(--text-dim);
  max-width: 70ch;
}

/* ==========================================================================
   Utility
   ========================================================================== */
.muted { color: var(--text-dim); }
.center { text-align: center; }
.maxw-lg { max-width: 60ch; margin-inline: auto; }
.divider {
  height: 1px;
  background: var(--line);
  margin-block: var(--s-7);
}

/* ==========================================================================
   PRODUCT DETAIL PAGE
   ========================================================================== */

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--fs-sm);
  color: var(--text-mute);
  margin-bottom: var(--s-5);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-dim); transition: color var(--t-fast) var(--ease); }
.breadcrumb a:hover { color: var(--neon); }
.breadcrumb span[aria-current] { color: var(--text); }
.breadcrumb .sep { color: var(--text-mute); }

/* Sub-brand badge (e.g. BikeXNeo under CarXNeo) */
.sub-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 0.35rem 0.85rem;
  background: rgba(0, 175, 234, 0.12);
  border: 1px solid rgba(0, 175, 234, 0.3);
  border-radius: var(--r-pill);
  color: var(--blue);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.sub-brand::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--blue);
  border-radius: 50%;
}

/* Product hero — split layout */
.pdp-hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(var(--s-6), 5vw, var(--s-9));
  padding-top: calc(var(--nav-h) + var(--s-7));
  align-items: start;
}
@media (max-width: 900px) {
  .pdp-hero { grid-template-columns: 1fr; gap: var(--s-6); }
}

/* Image gallery */
.gallery {
  position: sticky;
  top: calc(var(--nav-h) + var(--s-5));
}
.gallery__main {
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 50% 40%, rgba(0,175,234,0.18), transparent 60%),
    linear-gradient(135deg, #15151B, #0A0A0E);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  display: grid; place-items: center;
}
.gallery__main img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-3);
  margin-top: var(--s-4);
}
.gallery__thumb {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  cursor: pointer;
  background:
    radial-gradient(circle at 50% 40%, rgba(0,175,234,0.12), transparent 60%),
    linear-gradient(135deg, #15151B, #0A0A0E);
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.gallery__thumb:hover { border-color: var(--text-dim); }
.gallery__thumb.is-active { border-color: var(--neon); }
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }

/* Product details panel */
.pdp-details .eyebrow { margin-bottom: var(--s-4); }
.pdp-details h1 {
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
  margin-top: var(--s-4);
}
.pdp-details .tag-line {
  margin-top: var(--s-4);
  color: var(--text-dim);
  font-size: var(--fs-lg);
}

/* Price block */
.price-block {
  margin-top: var(--s-6);
  padding-block: var(--s-5);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.price-block__amount {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.price-block__from { color: var(--text-mute); font-weight: 400; font-size: var(--fs-base); }
.price-block__note { color: var(--text-mute); font-size: var(--fs-sm); margin-top: var(--s-2); }

/* Key spec chips row */
.spec-chips {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  margin-top: var(--s-5);
}
.spec-chip {
  flex: 1 1 0;
  min-width: 120px;
  padding: var(--s-4) var(--s-4);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  text-align: center;
}
.spec-chip__val {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-2xl);
  color: var(--neon);
  letter-spacing: -0.02em;
}
.spec-chip__lbl {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-top: var(--s-2);
}

/* CTA row */
.pdp-cta {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  margin-top: var(--s-6);
}
.pdp-cta .btn { flex: 1 1 auto; min-width: 200px; }

/* Warranty / trust strip */
.trust-strip {
  display: flex;
  gap: var(--s-5);
  flex-wrap: wrap;
  margin-top: var(--s-5);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
}
.trust-strip__item {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  color: var(--text-dim);
  font-size: var(--fs-sm);
}
.trust-strip__item svg { width: 18px; height: 18px; color: var(--neon); flex-shrink: 0; }

/* Specs table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-base);
}
.spec-table tr { border-bottom: 1px solid var(--line); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table th, .spec-table td {
  padding: var(--s-4) var(--s-3);
  text-align: left;
  vertical-align: top;
}
.spec-table th {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  width: 38%;
}
.spec-table td { color: var(--text); }

/* Compatibility grid */
.compat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--s-3);
  margin-top: var(--s-5);
}
.compat-tile {
  padding: var(--s-4);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--text);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.compat-tile:hover { border-color: var(--neon); color: var(--neon); }

/* Conditions grid (Rain, Snow, etc.) */
.conditions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--s-3);
  margin-top: var(--s-5);
}
.cond {
  aspect-ratio: 1 / 1;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 30% 30%, rgba(0,175,234,0.18), transparent 50%),
    linear-gradient(135deg, #15151B, #0A0A0E);
  display: grid;
  place-items: end center;
  padding: var(--s-4);
  position: relative;
}
.cond__lbl {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--blue);
  letter-spacing: -0.01em;
}

/* Comparison row (our vs other) */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5);
  margin-top: var(--s-6);
}
@media (max-width: 700px) { .compare { grid-template-columns: 1fr; } }
.compare__side {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-6);
}
.compare__side--ours { border-color: rgba(210, 224, 96, 0.3); }
.compare__head {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--s-4);
}
.compare__side--ours .compare__head { color: var(--neon); }
.compare__side--other .compare__head { color: var(--text-mute); }
.compare__list { display: flex; flex-direction: column; gap: var(--s-3); }
.compare__list li {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-size: var(--fs-base);
}
.compare__list li.yes { color: var(--text); }
.compare__list li.yes::before {
  content: '✓';
  color: var(--neon);
  font-weight: 700;
  font-size: var(--fs-lg);
}
.compare__list li.no { color: var(--text-mute); }
.compare__list li.no::before {
  content: '✕';
  color: #999;
  font-weight: 700;
  font-size: var(--fs-lg);
}

/* In the box */
.in-box {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-top: var(--s-5);
}
.in-box__item {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-4);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
.in-box__num {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--neon);
  font-weight: 600;
  width: 32px;
}
.in-box__name { font-weight: 500; }
.in-box__desc { color: var(--text-dim); font-size: var(--fs-sm); margin-top: 2px; }

/* ==========================================================================
   PREVIEW GATE — Coming-soon overlay (toggle in HTML head + main.js)
   ========================================================================== */

html.cxn-unlocked .preview-gate { display: none !important; }
html:not(.cxn-unlocked) body { overflow: hidden; }

.preview-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-6);
  background: var(--bg-0);
  overflow-y: auto;
  isolation: isolate;
}
.preview-gate::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 80% 20%, rgba(0,175,234,0.18), transparent 60%),
    radial-gradient(40% 35% at 15% 85%, rgba(210,224,96,0.18), transparent 70%),
    linear-gradient(180deg, #050507 0%, #000 100%);
}
.preview-gate::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 30%, transparent 75%);
}
.preview-gate__inner {
  width: 100%;
  max-width: 640px;
  text-align: center;
  padding-block: var(--s-7);
}
.preview-gate__logo {
  width: clamp(220px, 40vw, 360px);
  margin: 0 auto var(--s-6);
  display: block;
}
.preview-gate__sub {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: var(--s-4);
}
.preview-gate__h {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(var(--fs-3xl), 6vw, var(--fs-5xl));
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}
.preview-gate__lead {
  font-size: clamp(var(--fs-base), 1.4vw, var(--fs-lg));
  color: var(--text-dim);
  max-width: 48ch;
  margin: var(--s-5) auto 0;
}

.preview-gate__form {
  display: flex;
  gap: var(--s-3);
  max-width: 480px;
  margin: var(--s-7) auto 0;
  flex-wrap: wrap;
}
.preview-gate__form .btn { white-space: nowrap; }
.preview-gate__input {
  flex: 1;
  min-width: 200px;
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  padding: 0.95rem 1.3rem;
  color: var(--text);
  font-size: var(--fs-base);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.preview-gate__input:focus {
  outline: none;
  border-color: var(--neon);
  background: var(--bg-0);
}
.preview-gate__thanks {
  margin-top: var(--s-5);
  color: var(--neon);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
}

.preview-gate__pass {
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
  max-width: 480px;
  margin-inline: auto;
}
.preview-gate__pass summary {
  list-style: none;
  cursor: pointer;
  color: var(--text-mute);
  font-size: var(--fs-sm);
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  transition: color var(--t-fast) var(--ease);
}
.preview-gate__pass summary::-webkit-details-marker { display: none; }
.preview-gate__pass summary:hover { color: var(--neon); }
.preview-gate__pass summary::before { content: '🔒  '; margin-right: var(--s-2); }
.preview-gate__pass-form {
  display: flex;
  gap: var(--s-3);
  margin-top: var(--s-4);
  flex-wrap: wrap;
}
.preview-gate__err {
  margin-top: var(--s-3);
  color: #ff6b6b;
  font-size: var(--fs-sm);
}

@keyframes cxn-shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}
.preview-gate__pass-form.shake { animation: cxn-shake 0.35s var(--ease); }

.preview-gate__foot {
  margin-top: var(--s-7);
  color: var(--text-mute);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
}