/* ==========================================================================
   StealthFyre — landing page
   Brand tokens sampled from the original logo artwork. Dark-native by design;
   there is no light theme because the brand is a black brand.
   ========================================================================== */

:root {
  /* Canonical brand ------------------------------------------------------ */
  --sf-red:       #890011;   /* sampled from StealthFyre---Logo-icon2.png */
  --sf-black:     #0E0E0F;
  --sf-panel:     #1A1B1D;
  --sf-steel:     #8C9196;
  --sf-white:     #F2F2F0;

  /* Interface variants --------------------------------------------------- */
  /* #890011 is unreadable as TEXT on near-black, so accent text and hover
     states use brightened members of the same red family. Fills and rules
     still use the canonical brand red. */
  --sf-red-text:  #E0293D;
  --sf-red-fill:  #A30016;
  --sf-red-hi:    #C4001E;

  --sf-line:      #2A2C2F;
  --sf-dim:       #6E7378;

  --font-head: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --wrap: 1140px;
  --radius: 3px;   /* nearly square — the product is folded sheet metal */
}

/* --- reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--sf-black);
  color: var(--sf-steel);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--sf-red-fill); color: #fff; padding: .75rem 1.25rem;
}
.skip:focus { left: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 620px; }
.center { text-align: center; }

/* --- type ----------------------------------------------------------------- */
.h2, .hero__title, .kit__name {
  font-family: var(--font-head);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--sf-white);
  line-height: 1.05;
  margin: 0;
}
.h2 { font-size: clamp(1.9rem, 4.2vw, 2.9rem); margin-bottom: .75rem; }
.accent { color: var(--sf-red-text); }

.eyebrow {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: .28em;
  font-size: .74rem;
  font-weight: 700;
  color: var(--sf-red-text);
  margin: 0 0 1.1rem;
}
.lede { font-size: 1.06rem; max-width: 60ch; margin: 0 auto 2.6rem; }
p { margin: 0 0 1.1rem; }
strong { color: var(--sf-white); font-weight: 700; }

/* --- buttons -------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .85rem;
  text-decoration: none;
  padding: .8rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn--primary { background: var(--sf-red-fill); color: #fff; }
.btn--primary:hover { background: var(--sf-red-hi); }
.btn--ghost {
  background: transparent; color: var(--sf-white); border-color: var(--sf-line);
}
.btn--ghost:hover { border-color: var(--sf-red-text); color: var(--sf-red-text); }
.btn--lg { padding: 1rem 2.1rem; font-size: .95rem; }
.btn--block { display: block; width: 100%; }
.btn:disabled { opacity: .55; cursor: default; }

:where(a, button, input, select, [tabindex]):focus-visible {
  outline: 2px solid var(--sf-red-text);
  outline-offset: 3px;
}

/* --- nav ------------------------------------------------------------------ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .2s ease, border-color .2s ease;
}
.nav.is-stuck {
  background: rgba(14,14,15,.94);
  border-bottom-color: var(--sf-line);
  backdrop-filter: blur(8px);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 74px; gap: 1rem;
}
.nav__logo img { width: 190px; height: auto; }

/* --- hero ----------------------------------------------------------------- */
.hero { position: relative; display: flex; align-items: center; min-height: 92vh; padding: 8rem 0 5rem; }
.hero__media {
  position: absolute; inset: 0;
  background: url("img/hero.jpg") center 40% / cover no-repeat;
}
/* Weighted to the LEFT, where the text sits — so the stove on the right stays
   visible. An even scrim buried the product, which is the one thing the hero
   photo is there to show. */
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(14,14,15,.60) 0%, rgba(14,14,15,.30) 45%, rgba(14,14,15,.93) 100%),
    linear-gradient(90deg, rgba(14,14,15,.88) 0%, rgba(14,14,15,.55) 42%, rgba(14,14,15,.12) 78%);
}
.hero__inner { position: relative; max-width: 720px; }
.hero__title { font-size: clamp(2.9rem, 8.5vw, 5.4rem); margin-bottom: 1.4rem; }
.hero__sub {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: #C9CDD1; max-width: 34em; margin-bottom: 1rem;
}
.hero__note {
  font-size: .97rem; color: var(--sf-steel);
  border-left: 3px solid var(--sf-red); padding-left: 1rem;
  max-width: 34em; margin-bottom: 2.2rem;
}

/* --- sections ------------------------------------------------------------- */
.section { padding: 5.5rem 0; border-top: 1px solid var(--sf-line); }
.section--alt { background: #121315; }

/* The nav is fixed, so an anchor jump would otherwise land the section heading
   underneath it. Offset every jump target by the nav's height. */
[id] { scroll-margin-top: 90px; }

/* --- split ---------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.split__media img { border: 1px solid var(--sf-line); border-radius: var(--radius); }

.ticks { list-style: none; padding: 0; margin: 1.6rem 0 0; }
.ticks li { position: relative; padding-left: 1.6rem; margin-bottom: .6rem; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 8px; height: 8px; background: var(--sf-red); transform: rotate(45deg);
}

/* --- kits ----------------------------------------------------------------- */
/* Explicit column counts rather than auto-fit. With five kits, auto-fit landed on
   four columns and orphaned Guerrilla Master alone on a second row — the flagship
   kit stranded beside three empty slots. Five, three, two, one never orphans. */
.kits {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(5, 1fr);
}
.kit {
  background: var(--sf-panel);
  border: 1px solid var(--sf-line);
  border-top: 3px solid var(--sf-line);
  border-radius: var(--radius);
  padding: 1.75rem 1.4rem;
  display: flex; flex-direction: column;
  transition: border-color .18s ease, transform .18s ease;
}
.kit:hover { border-color: #3A3D41; border-top-color: var(--sf-red); transform: translateY(-3px); }
.kit--flag { border-top-color: var(--sf-red); }

.kit__icon {
  height: 62px; display: flex; align-items: center; justify-content: flex-start;
  margin-bottom: 1.1rem; opacity: .85;
}
.kit__icon img { max-height: 56px; width: auto; }
.kit__name { font-size: 1.2rem; margin-bottom: .35rem; }
.kit__panels {
  font-family: var(--font-head); text-transform: uppercase;
  letter-spacing: .12em; font-size: .7rem; color: var(--sf-dim);
  margin: 0 0 .9rem;
}
.kit__cap { font-size: .95rem; flex: 1; margin-bottom: 1rem; }
.kit__price { margin: 0 0 1.1rem; display: flex; align-items: baseline; gap: .5rem; flex-wrap: wrap; }
.kit__now {
  font-family: var(--font-head); font-weight: 800; font-size: 1.45rem;
  color: var(--sf-white); line-height: 1;
}
.kit__was { font-size: .88rem; color: var(--sf-dim); text-decoration: line-through; }
.kit__cta {
  font-family: var(--font-head); text-transform: uppercase;
  letter-spacing: .08em; font-size: .78rem; font-weight: 700;
  color: var(--sf-red-text); text-decoration: none;
  border-top: 1px solid var(--sf-line); padding-top: .9rem;
}
.kit__cta:hover { color: var(--sf-white); }

.accessories {
  margin: 2.5rem 0 0; text-align: center; font-size: .95rem; color: var(--sf-dim);
}

/* --- field grid ----------------------------------------------------------- */
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(4, 1fr); }
.grid__item { margin: 0; overflow: hidden; border: 1px solid var(--sf-line); border-radius: var(--radius); }
.grid__item img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  transition: transform .35s ease; filter: saturate(.92);
}
.grid__item:hover img { transform: scale(1.05); filter: saturate(1); }

/* --- form ----------------------------------------------------------------- */
.form { margin-top: 2rem; }
.field { margin-bottom: 1.15rem; }
.field label {
  display: block; margin-bottom: .45rem;
  font-family: var(--font-head); text-transform: uppercase;
  letter-spacing: .1em; font-size: .72rem; font-weight: 700; color: var(--sf-white);
}
.field .opt { color: var(--sf-dim); font-weight: 400; letter-spacing: .04em; }
.field input, .field select {
  width: 100%; padding: .85rem 1rem;
  background: var(--sf-black);
  border: 1px solid var(--sf-line); border-radius: var(--radius);
  color: var(--sf-white); font-family: var(--font-body); font-size: 1rem;
}
.field input::placeholder { color: #55595D; }
.field input:focus, .field select:focus { border-color: var(--sf-red-text); }

.form__msg { min-height: 1.4em; margin: .9rem 0 0; font-size: .93rem; }
.form__msg.is-ok    { color: #4ED17A; }
.form__msg.is-error { color: var(--sf-red-text); }
.form__fine { font-size: .85rem; color: var(--sf-dim); margin: .5rem 0 0; text-align: center; }

/* --- footer --------------------------------------------------------------- */
.footer { border-top: 1px solid var(--sf-line); padding: 3.5rem 0 2.5rem; background: #0A0A0B; }
.footer__inner { text-align: center; }
.footer__logo { width: 210px; height: auto; margin: 0 auto 1.1rem; opacity: .9; }
.footer__line {
  font-family: var(--font-head); text-transform: uppercase;
  letter-spacing: .28em; font-size: .7rem; color: var(--sf-dim); margin-bottom: 1.4rem;
}
.footer__meta { font-size: .87rem; color: var(--sf-dim); margin-bottom: .6rem; }
.footer__privacy { font-size: .78rem; color: #4E5256; max-width: 46ch; margin: 0 auto; }

/* --- kit product pages ---------------------------------------------------- */
/* The nav is fixed and already opaque on these pages, so the first section has
   to clear it manually — there is no hero to absorb the overlap. */
.product { padding: 8rem 0 4.5rem; }

.crumb {
  font-family: var(--font-head); text-transform: uppercase;
  letter-spacing: .14em; font-size: .72rem; color: var(--sf-dim);
  margin: 0 0 2rem;
}
.crumb a { color: var(--sf-dim); text-decoration: none; }
.crumb a:hover { color: var(--sf-red-text); }
.crumb span { margin: 0 .45rem; color: var(--sf-line); }

.product__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start;
}
.product__media img {
  width: 100%; border: 1px solid var(--sf-line); border-radius: var(--radius);
}
.product__tag {
  font-size: 1.15rem; color: var(--sf-white); margin: .4rem 0 1.4rem;
}
.product__cap { font-size: 1rem; margin-bottom: 1.6rem; }

/* Price: the launch figure is the one being paid, so it carries the visual
   weight. The list price sits beside it struck through — present for honesty
   about what the discount is off, not competing for attention. */
.price { display: flex; align-items: baseline; flex-wrap: wrap; gap: .8rem; margin-bottom: .5rem; }
.price__now {
  font-family: var(--font-head); font-weight: 800; font-size: 2.5rem;
  color: var(--sf-white); line-height: 1;
}
.price__was {
  font-size: 1.15rem; color: var(--sf-dim); text-decoration: line-through;
}
.price__tag {
  font-family: var(--font-head); text-transform: uppercase;
  letter-spacing: .12em; font-size: .68rem; font-weight: 700;
  color: #fff; background: var(--sf-red-fill);
  padding: .3rem .6rem; border-radius: var(--radius);
}
.price__note { font-size: .87rem; color: var(--sf-dim); margin-bottom: 1.5rem; }
.cta__note { font-size: .85rem; color: var(--sf-dim); text-align: center; margin: .7rem 0 0; }

/* Lead time is a purchase term, not fine print — it is stated at the point of
   sale where the buyer decides, and is deliberately hard to miss. */
.leadtime {
  margin: 1.6rem 0 2rem; padding: 1rem 1.1rem;
  background: var(--sf-panel); border-left: 3px solid var(--sf-red);
  border-radius: var(--radius); font-size: .93rem;
}

.spec { width: 100%; border-collapse: collapse; font-size: .93rem; }
.spec th, .spec td {
  text-align: left; padding: .6rem 0; border-bottom: 1px solid var(--sf-line);
  vertical-align: top;
}
.spec th {
  font-family: var(--font-head); text-transform: uppercase;
  letter-spacing: .1em; font-size: .7rem; font-weight: 700;
  color: var(--sf-dim); width: 38%; padding-right: 1rem;
}
.spec td { color: var(--sf-white); }
.spec__q { color: var(--sf-dim); font-size: .82rem; }

.accessory { margin-top: 1.8rem; font-size: .95rem; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --- responsive ----------------------------------------------------------- */
@media (max-width: 1080px) {
  .kits { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 2.25rem; }
  .split__media { order: -1; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .product__grid { grid-template-columns: 1fr; gap: 2.25rem; }
}

@media (max-width: 760px) {
  .kits { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .section { padding: 3.75rem 0; }
  .product { padding: 6.5rem 0 3rem; }
  .price__now { font-size: 2.1rem; }
  .hero { min-height: 88vh; padding: 7rem 0 4rem; }
  .hero__scrim {
    background: linear-gradient(180deg, rgba(14,14,15,.78) 0%, rgba(14,14,15,.62) 40%, rgba(14,14,15,.96) 100%);
  }
  .nav__cta { padding: .65rem 1.05rem; font-size: .78rem; }
  .nav__logo img { width: 155px; }
  .grid { gap: .6rem; }
  .kits { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
  .grid { grid-template-columns: 1fr; }
}