:root {
  --black: #111111;
  --ink: #1c1c1c;
  --grey-900: #2a2a2a;
  --grey-600: #6b6b6b;
  --grey-300: #cfcfcf;
  --grey-100: #f1f1f1;
  --white: #ffffff;
  --radius: 4px;
  --max: 1160px;
  --font-display: "Didact Gothic", "Century Gothic", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
svg { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }
.muted { color: var(--grey-600); }
.eyebrow {
  font-size: .75rem; font-weight: 600; letter-spacing: .25em;
  text-transform: uppercase; color: var(--grey-600); margin-bottom: .75rem;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.15; color: var(--black); }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: .5rem; }
h3 { font-size: 1.25rem; margin-bottom: .35rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .95rem 1.6rem; border-radius: var(--radius);
  font-family: var(--font-body); font-size: .95rem; font-weight: 600; letter-spacing: .02em;
  border: 1.5px solid transparent; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-sm { padding: .6rem 1.1rem; font-size: .85rem; }
.btn-block { width: 100%; }
.btn-dark { background: var(--black); color: var(--white); }
.btn-dark:hover { background: var(--grey-900); }
.btn-outline { background: transparent; color: var(--black); border-color: var(--black); }
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-grey { background: var(--grey-300); color: var(--black); }
.btn-grey:hover { background: #bdbdbd; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--grey-100);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: block; }
.brand img { height: 52px; width: auto; }
.footer-logo { height: 64px; width: auto; filter: invert(1); }
.site-nav { display: flex; align-items: center; gap: 2rem; }
.site-nav a:not(.btn) { font-size: .92rem; font-weight: 500; color: var(--grey-900); position: relative; }
.site-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 1.5px;
  background: var(--black); transition: width .25s;
}
.site-nav a:not(.btn):hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--black); margin: 5px 0; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 88px; text-align: center;
  background: linear-gradient(180deg, var(--white) 0%, var(--grey-100) 100%);
}
.hero-logo {
  width: 100%; max-width: 760px; height: auto; margin: 0 auto 40px;
}
.hero h1 { margin-bottom: 1rem; }
.lead { font-size: 1.1rem; color: var(--grey-600); max-width: 560px; margin: 0 auto 2.25rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-grey { background: var(--grey-100); }
.section-dark { background: var(--black); color: var(--grey-300); }
.section-dark h2 { color: var(--white); }
.section-dark .eyebrow { color: #9a9a9a; }
.section-head { text-align: center; margin-bottom: 52px; }

/* ---------- Products ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: var(--white); border: 1px solid var(--grey-100); border-radius: var(--radius);
  overflow: hidden; transition: box-shadow .25s, transform .25s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -20px rgba(0,0,0,.3); }
.product-img { aspect-ratio: 4 / 3; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.placeholder {
  display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(135deg, #ececec 0 14px, #e4e4e4 14px 28px);
  color: var(--grey-600); font-size: .8rem; letter-spacing: .15em; text-transform: uppercase;
}
.product-body { padding: 22px 24px 26px; }
.product-body p { font-size: .92rem; margin-bottom: 1rem; }
.link { font-size: .88rem; font-weight: 600; color: var(--black); border-bottom: 1px solid var(--grey-300); padding-bottom: 2px; }
.link:hover { border-color: var(--black); }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: auto 1fr; gap: 64px; align-items: center; }
.about-year {
  font-family: var(--font-display); font-size: clamp(4rem, 12vw, 9rem); line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px #5a5a5a;
}
.about p:not(.eyebrow) { max-width: 600px; margin-top: 1rem; }

/* ---------- Offer form ---------- */
.offer-form { display: grid; gap: 18px; background: var(--white); padding: 36px; border-radius: var(--radius); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.offer-form label { display: grid; gap: 6px; font-size: .85rem; font-weight: 600; color: var(--grey-900); }
.offer-form input, .offer-form select, .offer-form textarea {
  font: inherit; font-weight: 400; font-size: 1rem; color: var(--ink);
  padding: .8rem .9rem; border: 1px solid var(--grey-300); border-radius: var(--radius); background: var(--white);
  transition: border-color .2s;
}
.offer-form input:focus, .offer-form select:focus, .offer-form textarea:focus { outline: none; border-color: var(--black); }
.offer-form textarea { resize: vertical; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-card {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: .4rem;
  padding: 40px 24px; border: 1px solid var(--grey-300); border-radius: var(--radius);
  transition: border-color .2s, transform .2s;
}
.contact-card:hover { border-color: var(--black); transform: translateY(-3px); }
.contact-card > svg { width: 30px; height: 30px; margin-bottom: .6rem; }
.contact-card .btn { margin-top: 1rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); color: #9a9a9a; padding: 40px 0; font-size: .85rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- Mobile bar ---------- */
.mobile-bar { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .product-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 720px) {
  .container { padding: 0 16px; }
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--grey-100);
    max-height: 0; overflow: hidden; transition: max-height .3s;
  }
  .site-nav.open { max-height: 320px; }
  .site-nav a { padding: 14px 20px; }
  .site-nav .btn { margin: 8px 16px 16px; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { padding: 36px 0 64px; }
  .hero-logo { margin-bottom: 32px; }
  .cta-row .btn { flex: 1 1 100%; }
  .section { padding: 64px 0; }
  .product-grid, .contact-grid, .form-row { grid-template-columns: 1fr; }
  .offer-form { padding: 24px 18px; }

  body { padding-bottom: 60px; }
  .mobile-bar {
    display: grid; grid-template-columns: repeat(3, 1fr);
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: var(--black); border-top: 1px solid var(--grey-900);
  }
  .mobile-bar a {
    padding: 18px 4px; text-align: center; color: var(--white);
    font-size: .85rem; font-weight: 600; border-right: 1px solid var(--grey-900);
  }
  .mobile-bar a:last-child { border-right: 0; }
  .mobile-bar .accent { background: var(--grey-300); color: var(--black); }
}
