/* ============================================================================
 *  layout.css — page composition for Supernova Tobacco & Vape.
 *  Deep-space backdrop, sticky glass header, supernova hero, the
 *  three-locations centerpiece, product grid, photo bands, reviews, footer.
 * ========================================================================== */

/* ---- Cosmic backdrop (fixed layers behind everything) ------------------ */
body::before {  /* nebula glows */
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(60% 45% at 50% -8%, oklch(83% 0.165 88 / 0.18), transparent 70%),
    radial-gradient(45% 38% at 88% 8%, oklch(62% 0.20 318 / 0.16), transparent 70%),
    radial-gradient(50% 45% at 8% 32%, oklch(66% 0.23 352 / 0.10), transparent 72%),
    radial-gradient(60% 50% at 80% 92%, oklch(80% 0.13 222 / 0.12), transparent 72%);
}
body::after {  /* starfield */
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.6;
  background-image:
    radial-gradient(1.2px 1.2px at 12% 22%, oklch(98% 0.02 90 / 0.9), transparent 60%),
    radial-gradient(1px 1px at 28% 64%, oklch(95% 0.02 222 / 0.8), transparent 60%),
    radial-gradient(1.4px 1.4px at 47% 12%, oklch(98% 0.01 90 / 0.9), transparent 60%),
    radial-gradient(1px 1px at 63% 78%, oklch(96% 0.02 318 / 0.7), transparent 60%),
    radial-gradient(1.3px 1.3px at 81% 34%, oklch(98% 0.02 90 / 0.85), transparent 60%),
    radial-gradient(1px 1px at 92% 70%, oklch(95% 0.02 128 / 0.7), transparent 60%),
    radial-gradient(1px 1px at 7% 88%, oklch(96% 0.01 90 / 0.7), transparent 60%),
    radial-gradient(1.2px 1.2px at 38% 92%, oklch(98% 0.02 90 / 0.8), transparent 60%);
  background-size: 520px 520px, 360px 360px, 600px 600px, 420px 420px, 540px 540px, 480px 480px, 300px 300px, 660px 660px;
}
@media (prefers-reduced-motion: no-preference) {
  body::after { animation: twinkle 7s ease-in-out infinite alternate; }
}
@keyframes twinkle { from { opacity: 0.42; } to { opacity: 0.7; } }

main { position: relative; z-index: 1; }
[id] { scroll-margin-top: calc(var(--header-h, 72px) + 1rem); }

/* ---- Header ------------------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: oklch(14% 0.025 264 / 0.55); backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid transparent; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-header.is-scrolled { background: oklch(12% 0.024 264 / 0.85); border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; gap: var(--space-m); padding-block: 0.85rem; }

.brand { display: inline-flex; align-items: center; gap: 0.6em; text-decoration: none; color: var(--ink); margin-right: auto; }
.brand__mark { width: 2rem; height: 2rem; color: var(--gold); flex: none; filter: drop-shadow(0 0 8px oklch(83% 0.16 86 / 0.55)); }
.brand__name { font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; letter-spacing: -0.01em; line-height: 1; }
.brand__name small { display: block; font-family: var(--font); font-weight: 600; font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); margin-top: 0.28em; }

.nav__links { display: flex; align-items: center; gap: var(--space-m); }
.nav__links > a:not(.btn) { font-weight: 500; color: color-mix(in oklab, var(--ink) 85%, var(--space)); text-decoration: none; font-size: var(--step--1); letter-spacing: 0.01em; }
.nav__links > a:not(.btn):hover { color: var(--gold); }
.nav__cta { font-size: var(--step--1); }

.nav__toggle { display: none; background: none; border: 1px solid var(--line-strong); border-radius: var(--r-sm); color: var(--ink); width: 2.6rem; height: 2.6rem; cursor: pointer; }
.nav__toggle svg { width: 1.4rem; height: 1.4rem; margin: 0 auto; }
.nav__toggle .icon-close { display: none; }

.nav__scrim { position: fixed; inset: 0; z-index: 90; background: oklch(8% 0.02 264 / 0.6); backdrop-filter: blur(3px); opacity: 0; transition: opacity var(--dur) var(--ease); pointer-events: none; }
.nav__scrim.is-open { opacity: 1; pointer-events: auto; }
.nav__scrim[hidden] { display: none; }

@media (max-width: 880px) {
  .nav__toggle { display: grid; place-items: center; }
  .nav__links {
    position: fixed; inset: auto 0 0 0; top: var(--header-h, 64px); z-index: 95;
    flex-direction: column; align-items: stretch; gap: 0;
    background: linear-gradient(180deg, var(--space-rise), var(--space-deep));
    border-top: 1px solid var(--line); padding: var(--space-s) var(--gutter) var(--space-l);
    transform: translateY(-120%); transition: transform var(--dur) var(--ease); height: max-content;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links > a:not(.btn) { padding: 0.9em 0; border-bottom: 1px solid var(--line); font-size: var(--step-1); }
  .nav__cta { margin-top: var(--space-s); }
  body.nav-open { overflow: hidden; }
  .nav__toggle[aria-expanded="true"] .icon-open { display: none; }
  .nav__toggle[aria-expanded="true"] .icon-close { display: block; }
}

/* ---- Hero -------------------------------------------------------------- */
.hero { position: relative; padding-block: clamp(3.5rem, 9vh, 7rem) clamp(3rem, 7vh, 5.5rem); text-align: center; overflow: hidden; }
.hero::before {  /* concentrated supernova core behind the headline */
  content: ""; position: absolute; left: 50%; top: 18%; width: min(120vw, 1100px); aspect-ratio: 1; translate: -50% 0; z-index: -1; pointer-events: none;
  background: radial-gradient(circle, oklch(86% 0.16 88 / 0.30) 0%, oklch(66% 0.23 352 / 0.16) 32%, oklch(62% 0.20 318 / 0.06) 52%, transparent 66%);
  filter: blur(8px);
}
.hero__inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-m); }
.hero__badges { display: flex; flex-wrap: wrap; gap: var(--space-s); justify-content: center; }
.hero h1 { max-width: 16ch; }
.hero__lede { max-width: 56ch; margin-inline: auto; }
.hero__cta { display: flex; gap: var(--space-s); flex-wrap: wrap; justify-content: center; }
.hero__facts { display: flex; flex-wrap: wrap; gap: var(--space-s) var(--space-l); justify-content: center; margin-top: var(--space-s); color: var(--muted); font-size: var(--step--1); }
.hero__facts li { display: inline-flex; align-items: center; gap: 0.5em; }
.hero__facts b { color: var(--ink); }
.hero__facts .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gold); box-shadow: var(--glow-gold-sm); }

/* ---- Trust strip ------------------------------------------------------- */
.trust { border-block: 1px solid var(--line); background: oklch(13% 0.024 264 / 0.5); }
.trust__row { display: flex; flex-wrap: wrap; gap: var(--space-s) var(--space-xl); justify-content: center; padding-block: var(--space-m); }

/* ---- Section heads ----------------------------------------------------- */
.sec-head { max-width: 60ch; margin-bottom: var(--space-xl); display: grid; gap: var(--space-xs); }
.sec-head.center { margin-inline: auto; justify-items: center; text-align: center; }
.sec-head p { color: var(--muted); font-size: var(--step-1); }

/* ---- LOCATIONS (centerpiece) ------------------------------------------ */
.locations { background:
  radial-gradient(80% 60% at 50% 0%, oklch(20% 0.03 266 / 0.6), transparent 70%); }
.loc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-m); }
@media (max-width: 980px) { .loc-grid { grid-template-columns: 1fr; max-width: 34rem; margin-inline: auto; } }

.loc-card {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: var(--space-l); backdrop-filter: blur(12px); box-shadow: var(--shadow-1);
  display: flex; flex-direction: column; gap: var(--space-s); position: relative; overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.loc-card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow-2); }
.loc-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--accent-edge, var(--gold)); box-shadow: 0 0 16px var(--accent-edge, var(--gold)); opacity: 0.9; }
.loc-card[data-accent="gold"] { --accent-edge: var(--gold); }
.loc-card[data-accent="lime"] { --accent-edge: var(--lime); }
.loc-card[data-accent="cyan"] { --accent-edge: var(--cyan); }

.loc-card__head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-s); flex-wrap: wrap; }
.loc-card__city { font-family: var(--font-display); font-weight: 700; font-size: var(--step-2); letter-spacing: -0.02em; }
.loc-card__flag { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-text); background: var(--gold); padding: 0.3em 0.6em; border-radius: var(--r-pill); }
.loc-card__rating { display: inline-flex; align-items: center; gap: 0.45em; font-size: var(--step--1); color: var(--muted); }
.loc-card__rating b { color: var(--ink); }
.loc-card__rows { display: grid; gap: var(--space-xs); margin-top: var(--space-2xs); }
.loc-row { display: flex; gap: 0.7em; align-items: flex-start; font-size: var(--step--1); line-height: 1.45; }
.loc-row svg { width: 1.1em; height: 1.1em; color: var(--gold); flex: none; margin-top: 0.2em; }
.loc-row a { color: var(--ink); text-decoration: none; }
.loc-row a:hover { color: var(--gold); }
.loc-row .open-late { color: var(--lime-ink); font-weight: 600; }
.loc-card__cta { display: flex; gap: var(--space-2xs); margin-top: auto; padding-top: var(--space-s); }
.loc-card__cta .btn { flex: 1; font-size: var(--step--1); padding-inline: 0.8em; }

/* ---- Product / "what we carry" grid ----------------------------------- */
.shop__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-m); }
@media (max-width: 920px) { .shop__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .shop__grid { grid-template-columns: 1fr; } }
.prod {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: var(--space-l); backdrop-filter: blur(10px); display: grid; gap: var(--space-2xs);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.prod:hover { transform: translateY(-3px); border-color: var(--gold); background: var(--surface); }
.prod__icon { width: 2.6rem; height: 2.6rem; display: grid; place-items: center; border-radius: var(--r); color: var(--gold);
  background: oklch(83% 0.165 88 / 0.12); border: 1px solid color-mix(in oklab, var(--gold) 35%, transparent); margin-bottom: var(--space-2xs); }
.prod__icon svg { width: 1.5rem; height: 1.5rem; }
.prod h3 { font-size: var(--step-1); }
.prod p { color: var(--muted); font-size: var(--step--1); }
.shop__note { margin-top: var(--space-l); color: var(--muted); font-size: var(--step--1); }

/* ---- Photo bands (storefront + sign) ----------------------------------- */
.band { position: relative; isolation: isolate; overflow: hidden; }
.band--inside { padding-block: 0; }
.inside__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: stretch; gap: 0; min-height: clamp(420px, 60vh, 620px); }
@media (max-width: 900px) { .inside__grid { grid-template-columns: 1fr; } }
.inside__media { position: relative; overflow: hidden; }
.inside__media img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
.inside__media::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 40%, var(--space) 96%), linear-gradient(0deg, oklch(12% 0.02 264 / 0.45), transparent 50%); }
@media (max-width: 900px) { .inside__media::after { background: linear-gradient(0deg, var(--space) 2%, transparent 60%); } }
.inside__body { display: flex; flex-direction: column; justify-content: center; gap: var(--space-s); padding: var(--space-2xl) 0; padding-left: var(--gutter); }
@media (max-width: 900px) { .inside__body { padding: var(--space-xl) 0; } }
.inside__body p { color: color-mix(in oklab, var(--ink) 85%, var(--space)); }

/* ---- Reviews ----------------------------------------------------------- */
.reviews__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-m); }
@media (max-width: 920px) { .reviews__grid { grid-template-columns: 1fr; max-width: 38rem; margin-inline: auto; } }

/* ---- CTA band (glowing sign photo) ------------------------------------- */
.cta-band { position: relative; isolation: isolate; text-align: center; padding-block: var(--space-3xl); overflow: hidden; }
.cta-band__bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; opacity: 0.5; }
.cta-band::after { content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(80% 120% at 50% 50%, oklch(13% 0.03 264 / 0.55), oklch(11% 0.025 264 / 0.92)); }
.cta-band__inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-s); }
.cta-band h2 { max-width: 18ch; }
.cta-band p { color: color-mix(in oklab, var(--ink) 90%, var(--space)); max-width: 50ch; }
.cta-band .hero__cta { margin-top: var(--space-s); }

/* ---- Contact ----------------------------------------------------------- */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); align-items: start; }
@media (max-width: 900px) { .contact__grid { grid-template-columns: 1fr; gap: var(--space-xl); } }
.contact__form { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg); padding: var(--space-l); backdrop-filter: blur(12px); box-shadow: var(--shadow-1); }
.contact__form h3 { margin-bottom: var(--space-xs); }
.contact__aside { display: grid; gap: var(--space-m); }
.mini-loc { display: grid; gap: 0.2em; padding: var(--space-s) 0; border-bottom: 1px solid var(--line); }
.mini-loc:last-child { border-bottom: 0; }
.mini-loc__city { font-family: var(--font-display); font-weight: 700; font-size: var(--step-1); }
.mini-loc a { color: var(--muted); text-decoration: none; font-size: var(--step--1); }
.mini-loc a:hover { color: var(--gold); }
.mini-loc .phone { color: var(--cyan-ink); }

/* ---- Footer + compliance ----------------------------------------------- */
.compliance { background: var(--space-deep); border-top: 1px solid var(--line); }
.compliance__row { display: flex; flex-wrap: wrap; gap: var(--space-m); align-items: center; justify-content: center; padding-block: var(--space-m); text-align: center; }
.warning { display: flex; gap: 0.7em; align-items: center; max-width: 62ch; font-size: var(--step--1); line-height: 1.45; color: color-mix(in oklab, var(--ink) 85%, var(--space)); }
.warning svg { width: 1.4em; height: 1.4em; color: var(--gold); flex: none; }
.warning b { color: var(--ink); }

.site-footer { background: var(--space-deep); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-l); padding-block: var(--space-2xl) var(--space-l); }
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__brand { display: inline-flex; align-items: center; gap: 0.5em; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--ink); }
.footer__brand .brand__mark { width: 1.6rem; height: 1.6rem; }
.footer__col h4 { color: var(--muted); font-family: var(--font); font-size: var(--step--1); letter-spacing: 0.16em; text-transform: uppercase; font-weight: 700; margin-bottom: var(--space-s); }
.footer__col p, .footer__nap { color: var(--muted); font-size: var(--step--1); line-height: 1.7; font-style: normal; }
.footer__col a { color: var(--muted); text-decoration: none; }
.footer__col a:hover { color: var(--gold); }
.footer__bottom { display: flex; flex-wrap: wrap; gap: var(--space-s); justify-content: space-between; align-items: center; padding-block: var(--space-m); border-top: 1px solid var(--line); color: var(--muted); font-size: var(--step--1); }
.demo-credit { color: color-mix(in oklab, var(--muted) 90%, transparent); }
.demo-credit a { color: var(--cyan-ink); }