/* ============================================================
   Essential Door & Hardware LLC — Global Stylesheet
   ============================================================ */

:root {
  --black:       #0a0a0a;
  --charcoal:    #141414;
  --dark:        #1c1c1c;
  --mid:         #2a2a2a;
  --border:      #333333;
  --muted:       #888888;
  --light:       #d4d4d4;
  --white:       #f5f5f0;
  --gold:        #c8a96e;
  --gold-light:  #dfc08a;
  --gold-dark:   #a8843e;
  --font-sans:   'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-serif:  'Georgia', 'Times New Roman', serif;
  --max-w:       1200px;
  --radius:      2px;
  --transition:  0.25s ease;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--black);
  color: var(--light);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }

/* ── Typography ──────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.2;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.1rem; letter-spacing: 0.12em; }
h4 { font-size: 0.8rem; letter-spacing: 0.2em; color: var(--gold); }
p  { color: var(--light); }

.eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.75rem;
}

/* ── Layout helpers ──────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
.section {
  padding: 5rem 0;
}
.section--dark { background: var(--charcoal); }
.section--mid  { background: var(--dark); }

.divider {
  width: 3rem;
  height: 1px;
  background: var(--gold);
  margin: 1.5rem 0;
}

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--white);
  font-weight: 500;
}
.nav__logo span { color: var(--gold); }
.nav__links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav__links a {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--transition);
}
.nav__links a:hover,
.nav__links a.active { color: var(--gold); }

.nav__cta {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  padding: 0.5rem 1.2rem;
  transition: background var(--transition), color var(--transition);
}
.nav__cta:hover {
  background: var(--gold);
  color: var(--black) !important;
}

/* Hamburger (mobile) */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--light);
  transition: all var(--transition);
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--black);
  padding: 8rem 2rem 4rem;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 60%, rgba(200,169,110,0.06) 0%, transparent 70%),
    linear-gradient(180deg, var(--black) 0%, var(--charcoal) 100%);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,169,110,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,169,110,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.hero__subtitle {
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.hero h1 { margin-bottom: 1.5rem; }
.hero__desc {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 3rem;
  font-weight: 300;
}
.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}
.btn--primary {
  background: var(--gold);
  color: var(--black);
}
.btn--primary:hover {
  background: var(--gold-light);
  color: var(--black);
}
.btn--outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--light);
}
.btn--outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ── Cards ───────────────────────────────────────────────── */
.card-grid {
  display: grid;
  gap: 1px;
}
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--dark);
  padding: 2.5rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover { background: var(--mid); }
.card:hover::before { opacity: 1; }

.card__icon {
  width: 2.5rem; height: 2.5rem;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--gold);
  font-size: 1rem;
}
.card__label {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.card h3 { margin-bottom: 0.75rem; font-size: 1rem; text-transform: none; letter-spacing: 0.05em; }
.card p { font-size: 0.9rem; color: var(--muted); }

/* ── Product Cards ───────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
}
.product-card {
  background: var(--dark);
  transition: background var(--transition);
  overflow: hidden;
}
.product-card:hover { background: var(--mid); }
.product-card__img {
  aspect-ratio: 4/3;
  background: var(--mid);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.product-card__img svg {
  width: 64px; height: 64px;
  opacity: 0.2;
}
.product-card__img-label {
  position: absolute;
  bottom: 0.75rem; left: 0.75rem;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(10,10,10,0.8);
  padding: 0.25rem 0.5rem;
}
.product-card__body { padding: 1.5rem; }
.product-card__category {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.4rem;
}
.product-card h3 {
  font-size: 0.95rem;
  text-transform: none;
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
  color: var(--white);
}
.product-card p {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.product-card__link {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition);
}
.product-card:hover .product-card__link { gap: 0.7rem; }

/* ── Finish Swatches ─────────────────────────────────────── */
.finish-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1px;
}
.finish-card {
  background: var(--dark);
  overflow: hidden;
  transition: background var(--transition);
}
.finish-card:hover { background: var(--mid); }
.finish-card__swatch {
  height: 120px;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}
.finish-card__swatch--brass    { background: linear-gradient(135deg, #b8973a, #d4b76a, #a07830); }
.finish-card__swatch--orb      { background: linear-gradient(135deg, #2a1f14, #4a3520, #1a1008); }
.finish-card__swatch--nickel   { background: linear-gradient(135deg, #9a9a9a, #d0d0d0, #808080); }
.finish-card__swatch--black    { background: linear-gradient(135deg, #1a1a1a, #333, #0a0a0a); }
.finish-card__swatch--custom   {
  background: linear-gradient(135deg,
    #b8973a 0%, #9a9a9a 25%, #2a1f14 50%, #1a1a1a 75%, #7a5a8a 100%);
}
.finish-card__badge {
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: rgba(0,0,0,0.7);
  color: var(--gold);
  padding: 0.2rem 0.5rem;
}
.finish-card__body { padding: 1.5rem; }
.finish-card__code {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.3rem;
}
.finish-card h3 {
  font-size: 0.95rem;
  text-transform: none;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}
.finish-card p { font-size: 0.82rem; color: var(--muted); }

/* ── Form ────────────────────────────────────────────────── */
.form {
  max-width: 680px;
  margin: 0 auto;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.form__group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form__group label {
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
}
.form__group input,
.form__group select,
.form__group textarea {
  background: var(--dark);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: border-color var(--transition);
  width: 100%;
  appearance: none;
}
.form__group input::placeholder,
.form__group textarea::placeholder { color: var(--muted); }
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.form__group select { cursor: pointer; }
.form__group textarea { min-height: 140px; resize: vertical; }
.form__submit { text-align: center; margin-top: 0.5rem; }
.form__note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 1rem;
}

/* ── Page hero (inner pages) ─────────────────────────────── */
.page-hero {
  padding: 10rem 2rem 5rem;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 40% at 50% 80%, rgba(200,169,110,0.05) 0%, transparent 70%),
    var(--black);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { margin-bottom: 1rem; }
.page-hero p {
  font-size: 1rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--charcoal);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer__brand {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer__brand strong { color: var(--gold); }
.footer__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.footer__links a {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer__links a:hover { color: var(--gold); }
.footer__copy {
  font-size: 0.62rem;
  color: var(--border);
  letter-spacing: 0.1em;
}

/* ── Utility ─────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-gold   { color: var(--gold); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .card-grid--3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .nav.open .nav__links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--charcoal);
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border);
  }
  .card-grid--3,
  .card-grid--2 { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; text-align: center; }
}