/* Classinox — Charcoal & Ember */
:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --surface-2: #2d2d2d;
  --border: #2f2f2f;
  --border-2: #4a4a4a;
  --text: #f2efea;
  --muted: #9a9a98;
  --accent: #e85d3a;
  --accent-2: #ff7a52;
  --max: 1280px;
  --radius: 2px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 6vw, 5.5rem); font-weight: 700; }
h2 { font-size: clamp(1.875rem, 4vw, 3.25rem); }
h3 { font-size: 1.375rem; letter-spacing: -0.01em; }
p { color: var(--muted); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 2rem; }
.eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--accent);
}

/* HEADER */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(15,15,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: transform .3s ease;
}
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 0.5rem;
}
.logo-mark {
  width: 28px; height: 28px;
  background: var(--accent);
  display: grid; place-items: center;
  color: #fff; font-weight: 700; font-size: 0.875rem;
}
.nav { display: flex; gap: 2.25rem; align-items: center; }
.nav a {
  font-size: 0.9rem;
  color: var(--text);
  position: relative;
  padding: 0.25rem 0;
  font-weight: 500;
}
.nav a::after {
  content: ""; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--accent);
  transition: width .25s ease;
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a.active { color: var(--accent); }

.lang {
  display: flex; gap: 0.25rem; font-size: 0.8rem;
  font-family: var(--font-display);
  border: 1px solid var(--border-2);
  padding: 0.35rem 0.55rem;
  letter-spacing: 0.1em;
}
.lang a { padding: 0 0.35rem; color: var(--muted); }
.lang a.active { color: var(--text); font-weight: 600; }

.burger { display: none; width: 32px; height: 32px; flex-direction: column; justify-content: center; gap: 5px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--text); transition: transform .25s; }

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 8rem 0 4rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15,15,15,0.4) 0%, rgba(15,15,15,0.85) 70%, var(--bg) 100%),
              radial-gradient(circle at 80% 50%, rgba(232,93,58,0.15), transparent 50%);
}
.hero-content { position: relative; z-index: 2; max-width: 900px; }
.hero h1 { margin: 1.5rem 0; }
.hero h1 .accent { color: var(--accent); }
.hero-lead { font-size: 1.125rem; max-width: 620px; margin-bottom: 2.5rem; color: #cfcfcd; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 0.75rem;
  padding: 1rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all .2s ease;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-2px); }
.btn-ghost { border-color: var(--border-2); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-arrow::after { content: "→"; transition: transform .2s; }
.btn-arrow:hover::after { transform: translateX(4px); }

.hero-stats {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 2;
  border-top: 1px solid var(--border);
  background: rgba(15,15,15,0.5);
}
.hero-stats .container {
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding-top: 2rem; padding-bottom: 2rem;
}
.stat .num {
  font-family: var(--font-display);
  font-size: 2.25rem; font-weight: 600;
  color: var(--text);
}
.stat .label {
  font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); margin-top: 0.25rem;
}

/* SECTIONS */
.section { padding: 7rem 0; position: relative; }
.section-alt { background: var(--surface); }
.section-header { margin-bottom: 4rem; max-width: 760px; }
.section-header h2 { margin: 1.25rem 0 1.25rem; }
.section-header p { font-size: 1.0625rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; align-items: center; }

/* CARDS */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2.25rem 2rem;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform .35s ease;
}
.card:hover { border-color: var(--border-2); transform: translateY(-4px); }
.card:hover::before { transform: scaleX(1); }
.card .num {
  font-family: var(--font-display);
  font-size: 0.75rem; color: var(--accent);
  letter-spacing: 0.2em; font-weight: 500;
}
.card h3 { margin: 1rem 0 0.75rem; }
.card p { font-size: 0.9375rem; }

/* PRODUCT CARDS */
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all .35s ease;
  display: flex; flex-direction: column;
}
.product-img { aspect-ratio: 4/3; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.product-card:hover .product-img img { transform: scale(1.05); }
.product-card:hover { border-color: var(--accent); }
.product-body { padding: 1.75rem; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { margin-bottom: 0.5rem; }
.product-body p { font-size: 0.9375rem; flex: 1; }
.product-tag {
  font-family: var(--font-display);
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.75rem;
}

/* SPLIT */
.split-img {
  position: relative; aspect-ratio: 4/5; overflow: hidden;
  border: 1px solid var(--border);
}
.split-img img { width: 100%; height: 100%; object-fit: cover; }
.split-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 50%, rgba(232,93,58,0.15));
}

/* CTA BAND */
.cta-band {
  background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(232,93,58,0.2), transparent 60%);
}
.cta-band > .container { position: relative; }
.cta-band h2 { margin-bottom: 1rem; }
.cta-band p { font-size: 1.125rem; margin-bottom: 2.5rem; max-width: 540px; margin-left: auto; margin-right: auto; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; }
.contact-info { display: flex; flex-direction: column; gap: 2rem; }
.contact-item {
  border-left: 2px solid var(--accent);
  padding-left: 1.25rem;
}
.contact-item .label {
  font-family: var(--font-display);
  font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.35rem;
}
.contact-item .value { font-size: 1.0625rem; color: var(--text); }
.contact-item .value a:hover { color: var(--accent); }

.form { display: flex; flex-direction: column; gap: 1.25rem; }
.form label { font-family: var(--font-display); font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 0.5rem; }
.form input, .form textarea, .form select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-2);
  color: var(--text);
  padding: 0.9rem 1rem;
  font: inherit;
  font-size: 0.9375rem;
  transition: border-color .2s;
}
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--accent); }
.form textarea { resize: vertical; min-height: 140px; }

.map-embed {
  width: 100%; aspect-ratio: 16/9; margin-top: 3rem;
  border: 1px solid var(--border); background: var(--surface);
  display: grid; place-items: center; color: var(--muted);
}

/* ABOUT BLOCKS */
.about-text p + p { margin-top: 1.25rem; }
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 2.5rem; }
.value-item {
  border: 1px solid var(--border);
  padding: 1.75rem;
  background: var(--surface);
}
.value-item h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.value-item p { font-size: 0.9rem; }

/* PAGE HEADER (inner pages) */
.page-header {
  padding: 10rem 0 5rem;
  background: linear-gradient(180deg, var(--surface), var(--bg));
  border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); margin: 1rem 0 1.25rem; }
.page-header p { font-size: 1.125rem; max-width: 640px; }

/* FOOTER */
.footer {
  background: #0a0a0a;
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  margin-top: 0;
}
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer h4 {
  font-family: var(--font-display);
  font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.25rem; font-weight: 500;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer a { color: #c8c8c6; font-size: 0.9375rem; }
.footer a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8125rem; color: var(--muted);
  flex-wrap: wrap; gap: 1rem;
}

/* REVEAL */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* RESPONSIVE */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-stats .container { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}
@media (max-width: 640px) {
  .container { padding: 0 1.25rem; }
  .nav, .lang { display: none; }
  .burger { display: flex; }
  .nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 76px; left: 0; right: 0;
    background: var(--bg); padding: 2rem;
    border-bottom: 1px solid var(--border);
    gap: 1.5rem;
  }
  .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 5rem 0; }
  .hero { min-height: auto; padding: 7rem 0 3rem; }
  .hero-stats { position: static; }
  .values-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
}