/* ============================================================
   Longhunter Gate Co. — styles.css
   Palette & type per BRAND.md
   ============================================================ */

:root {
  --forged: #141414;
  --obsidian: #0a0a0a;
  --brass: #b0894c;
  --brass-bright: #c8a45e;
  --champagne: #d8c9a8;
  --bone: #f4f0e6;
  --iron: #9a9a9a;
  --line: rgba(216, 201, 168, 0.18);
  --line-dark: rgba(20, 20, 20, 0.12);

  --serif: "Playfair Display", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mont: "Montserrat", var(--sans);

  --maxw: 1180px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--bone);
  background: var(--forged);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.hidden { display: none !important; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }
.narrow { max-width: 820px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.12; margin: 0; }

.eyebrow {
  font-family: var(--mont);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--brass);
  margin: 0 0 0.9rem;
}
.eyebrow.center, .center { text-align: center; }
.center.eyebrow { margin-inline: auto; }

.section-title { font-size: clamp(1.7rem, 3.6vw, 2.8rem); }
.section-title.center { margin-inline: auto; max-width: 18ch; }
.section-intro { color: var(--iron); max-width: 60ch; margin: 1rem auto 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--mont);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.95rem 1.7rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.22s ease;
  white-space: nowrap;
}
.btn-sm { padding: 0.6rem 1.1rem; font-size: 0.72rem; }
.btn-brass { background: var(--brass); color: var(--obsidian); }
.btn-brass:hover { background: var(--brass-bright); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--bone); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brass); color: var(--brass-bright); }
.btn-dark { background: var(--forged); color: var(--bone); }
.btn-dark:hover { background: var(--obsidian); transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand-logo { height: 40px; width: auto; }
.nav { display: flex; align-items: center; gap: clamp(0.8rem, 1.8vw, 1.7rem); }
.nav > a {
  font-family: var(--mont); font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.06em; color: var(--bone); transition: color 0.2s;
}
.nav > a:hover { color: var(--brass-bright); }
.nav-phone { color: var(--brass) !important; font-weight: 600 !important; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--bone); margin: 5px 0; transition: 0.3s; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 12vw, 9rem) 0 clamp(3.5rem, 8vw, 6rem);
  border-bottom: 1px solid var(--line);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    linear-gradient(90deg, rgba(8,8,8,0.93) 0%, rgba(8,8,8,0.72) 45%, rgba(8,8,8,0.4) 76%, rgba(8,8,8,0.62) 100%),
    radial-gradient(120% 90% at 85% 0%, rgba(176,137,76,0.14), transparent 55%),
    url("../img/hero-afs.jpg") center / cover no-repeat;
}
.hero-inner { position: relative; z-index: 1; }
.hero-copy { max-width: 640px; }
.hero h1 { font-size: clamp(2.2rem, 5.4vw, 4rem); letter-spacing: -0.01em; }
.lede { color: #ddd7c9; font-size: clamp(1rem, 1.5vw, 1.18rem); max-width: 52ch; margin: 1.4rem 0 2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.trust-strip {
  list-style: none; display: flex; flex-wrap: wrap; gap: 1.4rem;
  padding: 0; margin: 2.6rem 0 0; border-top: 1px solid var(--line); padding-top: 1.4rem;
}
.trust-strip li {
  font-family: var(--mont); font-size: 0.72rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--champagne);
}

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section-dark { background: var(--obsidian); }
.instock { background: var(--bone); color: var(--forged); }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-top: 2.6rem; }
.card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.7rem 1.5rem;
  transition: border-color 0.25s, transform 0.25s;
}
.card:hover { border-color: var(--brass); transform: translateY(-4px); }
.card h3 { font-size: 1.18rem; margin-bottom: 0.6rem; }
.card p { color: var(--iron); font-size: 0.95rem; margin: 0; }

/* ---------- Split layout ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.split-copy p { color: #cfc9bb; }
.split-copy .section-title { margin-bottom: 1.2rem; }
.split-copy .btn { margin-top: 0.8rem; }
.spec-list { list-style: none; padding: 0; margin: 0; }
.spec-list li {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 1rem 0; border-bottom: 1px solid var(--line);
  font-family: var(--sans); color: var(--bone);
}
.spec-list span { font-family: var(--mont); color: var(--brass); font-size: 0.82rem; min-width: 1.6rem; }

/* ---------- Tiers ---------- */
.tiers { grid-template-columns: repeat(3, 1fr); }
.tier { display: flex; flex-direction: column; }
.tier ul { list-style: none; padding: 0; margin: 1rem 0 0; }
.tier li { position: relative; padding: 0.45rem 0 0.45rem 1.4rem; color: var(--iron); font-size: 0.92rem; border: 0; }
.tier li::before { content: "✦"; position: absolute; left: 0; color: var(--brass); font-size: 0.7rem; top: 0.55rem; }
.tier-meta { font-family: var(--mont); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.72rem; color: var(--brass) !important; margin-top: 0.3rem; }
.tier-featured { border-color: var(--brass); background: rgba(176, 137, 76, 0.06); }
.tier-flag { font-family: var(--mont); font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--obsidian); background: var(--brass); display: inline-block; padding: 0.25rem 0.7rem; border-radius: 999px; margin: 0 0 0.7rem; }

/* ---------- Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.6rem; }
.shot {
  position: relative; margin: 0; aspect-ratio: 4 / 3;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: #0d0d0d;
}
.shot img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s ease; }
.shot:hover img { transform: scale(1.05); }
.shot figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.6rem 1rem 0.9rem;
  font-family: var(--mont); font-size: 0.74rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--bone);
  background: linear-gradient(to top, rgba(5,5,5,0.92), rgba(5,5,5,0));
}

/* ---------- In-stock ---------- */
.instock-inner { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.instock .eyebrow { color: #8a6d35; }
.instock p { color: #4a4640; }
.instock-note { font-family: var(--mont); font-size: 0.8rem; letter-spacing: 0.04em; color: var(--forged) !important; font-weight: 600; }
.instock-card { display: flex; flex-wrap: wrap; gap: 0.7rem; align-content: center; justify-content: center; aspect-ratio: 1; background: var(--forged); border-radius: var(--radius); padding: 2rem; }
.instock-chip { font-family: var(--mont); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--champagne); border: 1px solid var(--line); border-radius: 999px; padding: 0.5rem 1rem; }
.instock-photo { border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(20,20,20,0.12); aspect-ratio: 1; }
.instock-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- Service area ---------- */
.area-cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); margin-top: 2.6rem; max-width: 820px; margin-inline: auto; }
.area-cols h3 { font-size: 1.15rem; margin-bottom: 1rem; color: var(--champagne); }
.area-list { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 1.5rem; }
.area-list li { padding: 0.35rem 0; color: var(--iron); border-bottom: 1px solid var(--line); }

/* ---------- FAQ ---------- */
.faq { margin-top: 2.4rem; }
.faq details { border-bottom: 1px solid var(--line); padding: 0.4rem 0; }
.faq summary {
  font-family: var(--serif); font-size: 1.12rem; color: var(--bone);
  cursor: pointer; padding: 1rem 2rem 1rem 0; position: relative; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 0.9rem; color: var(--brass); font-size: 1.4rem; transition: transform 0.25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { color: var(--iron); margin: 0 0 1rem; max-width: 70ch; }

/* ---------- Contact / form ---------- */
.quote-form { margin-top: 1.6rem; }
.field { margin-bottom: 1rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field label { display: block; font-family: var(--mont); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--champagne); margin-bottom: 0.4rem; }
.field input, .field select, .field textarea {
  width: 100%; background: rgba(255,255,255,0.04); border: 1px solid var(--line);
  border-radius: var(--radius); color: var(--bone); padding: 0.8rem 0.9rem;
  font-family: var(--sans); font-size: 0.95rem;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brass); }
.field textarea { resize: vertical; }
.form-note { font-size: 0.85rem; color: var(--champagne); margin-top: 0.8rem; min-height: 1.2em; }

.contact-aside { background: rgba(255,255,255,0.03); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 3vw, 2.2rem); }
.contact-aside h3 { font-size: 1.3rem; margin-bottom: 1.2rem; }
.contact-line { display: grid; gap: 0.15rem; margin: 0 0 1.1rem; }
.contact-line strong { font-family: var(--mont); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brass); }
.contact-line a:hover { color: var(--brass-bright); }
.map { margin-top: 0.6rem; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.map iframe { width: 100%; height: 220px; border: 0; display: block; filter: grayscale(0.4) contrast(1.05); }

/* ---------- Footer ---------- */
.site-footer { background: var(--obsidian); border-top: 1px solid var(--line); padding: 3rem 0 1.5rem; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer-logo { height: 44px; margin-bottom: 1rem; }
.footer-brand p { color: var(--iron); font-size: 0.9rem; max-width: 38ch; }
.footer-nav { display: grid; gap: 0.5rem; align-content: start; }
.footer-nav a { font-family: var(--mont); font-size: 0.8rem; color: var(--iron); }
.footer-nav a:hover { color: var(--brass-bright); }
.footer-contact { display: grid; gap: 0.5rem; align-content: start; }
.footer-contact a, .footer-contact span { font-size: 0.88rem; color: var(--iron); }
.footer-contact a:hover { color: var(--brass-bright); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.footer-bottom span { font-family: var(--mont); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--iron); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .cards, .tiers, .gallery { grid-template-columns: 1fr 1fr; }
  .split, .instock-inner, .area-cols, .footer-inner { grid-template-columns: 1fr; }
  .hero-bg {
    background:
      linear-gradient(180deg, rgba(8,8,8,0.55) 0%, rgba(8,8,8,0.72) 60%, rgba(8,8,8,0.82) 100%),
      url("../img/hero-afs.jpg") center / cover no-repeat;
  }
  .contact-aside { margin-top: 1.5rem; }

  .nav {
    position: fixed; inset: 76px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--obsidian); border-bottom: 1px solid var(--line);
    padding: 1rem var(--pad) 1.5rem;
    transform: translateY(-130%); transition: transform 0.32s ease; pointer-events: none;
  }
  .nav.open { transform: translateY(0); pointer-events: auto; }
  .nav > a { padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 0.8rem; text-align: center; }
  .nav-toggle { display: block; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 560px) {
  .cards, .tiers, .gallery, .field-row { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

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

/* ---------- Four aluminum styles showcase ---------- */
.styles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-top: 2.6rem; }
.style-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: rgba(255,255,255,0.03); transition: border-color 0.25s, transform 0.25s; }
.style-card:hover { border-color: var(--brass); transform: translateY(-4px); }
.style-card .style-img { background: var(--bone); padding: 14px; }   /* panels are shot on white — read best on a light tile */
.style-card .style-img img { width: 100%; height: 150px; object-fit: contain; }
.style-card .style-body { padding: 1.1rem 1.2rem 1.4rem; }
.style-card .style-letter { font-family: var(--mont); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--brass); }
.style-card h3 { font-size: 1.12rem; margin: 0.25rem 0 0.5rem; }
.style-card .style-heights { color: var(--iron); font-size: 0.85rem; }

/* ---------- Partner / turnkey band (light) ---------- */
.partner { background: var(--bone); color: var(--forged); }
.partner .eyebrow { color: #8a6d35; }
.partner .section-title, .partner p { color: var(--forged); }
.partner .section-intro { color: #4a4640; }
.turnkey { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 2.4rem; }
.turnkey .tk { background: #fff; border: 1px solid rgba(20,20,20,0.10); border-radius: var(--radius); padding: 1.5rem 1.2rem; text-align: center; }
.turnkey .tk .tk-ic { font-size: 1.7rem; }
.turnkey .tk h3 { font-size: 1.02rem; margin: 0.5rem 0 0.3rem; }
.turnkey .tk p { color: #5a554d; font-size: 0.9rem; margin: 0; }

/* ---------- Stat row ---------- */
.stats { display: flex; flex-wrap: wrap; gap: 2.4rem; justify-content: center; margin-top: 2.4rem; }
.stat { text-align: center; }
.stat .n { font-family: var(--serif); font-size: 2.5rem; color: var(--brass-bright); line-height: 1; }
.stat .l { font-family: var(--mont); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--iron); margin-top: 0.45rem; }

@media (max-width: 900px) { .styles-grid, .turnkey { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .styles-grid, .turnkey { grid-template-columns: 1fr; } }