/* ============================================================
   OLVEX — Industrial precision design system
   Fonts: Archivo (display/body) + IBM Plex Mono (labels/specs)
   ============================================================ */

:root {
  --ink: #0f100d;            /* near-black, warm */
  --ink-2: #16170f;          /* raised panel */
  --ink-3: #1e1f15;          /* hover panel */
  --line: #2b2c20;           /* hairlines */
  --paper: #ece9dd;          /* warm off-white text */
  --paper-dim: #a3a190;      /* secondary text */
  --amber: #ff6b1a;          /* signal accent */
  --amber-deep: #c94e08;
  --live: #8fd460;           /* status: live */
  --font-display: "Archivo", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --max: 82rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.6;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Grain overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

::selection { background: var(--amber); color: var(--ink); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- Mono labels ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--amber);
  flex: none;
}
.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--paper-dim);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.site-header .wrap {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  height: 4rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}
.logo .mark {
  width: 0.85rem;
  height: 0.85rem;
  background: var(--amber);
  flex: none;
}
.logo em {
  font-style: normal;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.62rem;
  color: var(--paper-dim);
  letter-spacing: 0.14em;
  align-self: flex-end;
  padding-bottom: 0.3rem;
}
.main-nav {
  display: flex;
  align-items: stretch;
}
.main-nav a {
  display: flex;
  align-items: center;
  padding: 0 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
  border-left: 1px solid var(--line);
  transition: color 0.2s, background 0.2s;
  position: relative;
}
.main-nav a:last-child { border-right: 1px solid var(--line); }
.main-nav a:hover { color: var(--paper); background: var(--ink-3); }
.main-nav a.active { color: var(--amber); }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--amber);
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  align-self: center;
}

/* ---------- Hero ---------- */
.hero {
  padding-top: 10rem;
  padding-bottom: 5rem;
  position: relative;
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 70% at 30% 20%, transparent 30%, var(--ink) 85%);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(16rem, 1fr);
  gap: 3rem;
  align-items: end;
}
h1 {
  font-size: clamp(2.6rem, 6.5vw, 5.4rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin: 1.5rem 0 1.75rem;
}
h1 .accent { color: var(--amber); }
h1 .outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--paper);
}
.hero-sub {
  max-width: 34rem;
  color: var(--paper-dim);
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
}
.btn-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 1rem 1.6rem;
  border: 1px solid var(--paper);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
  background: none;
  color: var(--paper);
}
.btn .arrow { transition: transform 0.2s; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-solid {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 600;
}
.btn-solid:hover { background: var(--paper); border-color: var(--paper); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

/* Spec card */
.spec-card {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 1.5rem;
  position: relative;
}
.spec-card::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 1.1rem; height: 1.1rem;
  border-top: 2px solid var(--amber);
  border-left: 2px solid var(--amber);
}
.spec-card h3 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 1.25rem;
}
.spec-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.spec-card dt { color: var(--paper-dim); }
.spec-card dd { text-align: right; color: var(--paper); }
.spec-card dd.hl { color: var(--amber); }

/* ---------- Marquee ---------- */
.marquee {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 0.85rem 0;
  background: var(--ink-2);
}
.marquee-track {
  display: flex;
  gap: 3rem;
  white-space: nowrap;
  width: max-content;
  animation: marquee 30s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.marquee-track .dot { color: var(--amber); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- Sections ---------- */
.section { padding: 6rem 0; border-bottom: 1px solid var(--line); }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}
h2 {
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-top: 0.9rem;
}
.section-head .count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--paper-dim);
}

/* ---------- Product index (home) ---------- */
.product-index { border-top: 1px solid var(--line); }
.product-row {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1.4fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.9rem 1rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s, color 0.25s;
  position: relative;
}
.product-row .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--paper-dim);
}
.product-row .name {
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.product-row .tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--paper-dim);
  transition: color 0.25s;
}
.product-row .go {
  font-size: 1.4rem;
  transition: transform 0.25s;
}
.product-row:hover {
  background: var(--amber);
  color: var(--ink);
}
.product-row:hover .num,
.product-row:hover .tag { color: var(--ink); }
.product-row:hover .go { transform: translate(6px, -2px); }

/* ---------- Services strip ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
}
.service-cell {
  padding: 2.25rem 1.9rem;
  border-right: 1px solid var(--line);
  position: relative;
  transition: background 0.25s;
}
.service-cell:last-child { border-right: none; }
.service-cell:hover { background: var(--ink-3); }
.service-cell .idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
  display: block;
  margin-bottom: 2.6rem;
}
.service-cell h3 {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}
.service-cell p { color: var(--paper-dim); font-size: 0.95rem; }

/* ---------- Product detail blocks (products page) ---------- */
.page-hero {
  padding-top: 9rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { margin-bottom: 1rem; }
.page-hero p { max-width: 40rem; color: var(--paper-dim); font-size: 1.1rem; }

.product-block {
  padding: 5rem 0;
  border-bottom: 1px solid var(--line);
}
.product-block .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(17rem, 1fr);
  gap: 3.5rem;
  align-items: start;
}
.product-block:nth-child(even) .wrap { direction: rtl; }
.product-block:nth-child(even) .wrap > * { direction: ltr; }
.product-block .num-big {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
  display: block;
  margin-bottom: 1rem;
}
.product-block h2 { margin-bottom: 1.1rem; }
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--line);
  margin-bottom: 1.4rem;
}
.status .pulse {
  width: 0.5rem; height: 0.5rem;
  border-radius: 50%;
  flex: none;
}
.status.live .pulse { background: var(--live); box-shadow: 0 0 8px var(--live); }
.status.live { color: var(--live); border-color: color-mix(in srgb, var(--live) 40%, var(--line)); }
.status.dev .pulse { background: var(--amber); box-shadow: 0 0 8px var(--amber); animation: blink 1.4s infinite; }
.status.dev { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 40%, var(--line)); }
@keyframes blink { 50% { opacity: 0.25; } }

.product-block .desc { color: var(--paper-dim); margin-bottom: 1.6rem; max-width: 38rem; }
.feature-list { margin-bottom: 2.2rem; }
.feature-list li {
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--line);
  display: flex;
  gap: 0.9rem;
  font-size: 0.97rem;
}
.feature-list li::before {
  content: "→";
  color: var(--amber);
  flex: none;
}

/* ---------- About page ---------- */
.about-body {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(16rem, 1fr);
  gap: 3.5rem;
}
.about-body .lede {
  font-size: clamp(1.25rem, 2.3vw, 1.7rem);
  line-height: 1.45;
  font-weight: 500;
  margin-bottom: 1.75rem;
}
.about-body p + p { margin-top: 1.2rem; }
.about-body .copy p { color: var(--paper-dim); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  margin-top: 4rem;
}
.stat-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  background: var(--ink-2);
}
.stat-cell {
  padding: 2rem 1.75rem;
  border-right: 1px solid var(--line);
}
.stat-cell:last-child { border-right: none; }
.stat-cell .big {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
  display: block;
  margin-bottom: 0.5rem;
}
.stat-cell .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 3.5rem;
  align-items: start;
}
.person-card {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
  position: relative;
  transition: border-color 0.25s;
}
.person-card:hover { border-color: var(--amber); }
.person-card .role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  display: block;
  margin-bottom: 0.6rem;
}
.person-card h3 {
  font-size: 1.45rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.person-card a {
  display: flex;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.4rem 0;
  color: var(--paper-dim);
  transition: color 0.2s;
}
.person-card a:hover { color: var(--amber); }
.person-card a .k { color: var(--line); }

/* Form */
.contact-form {
  border: 1px solid var(--line);
  padding: 2.25rem;
  background: var(--ink-2);
}
.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}
.field { margin-bottom: 1.4rem; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 0.55rem;
}
.field input,
.field textarea {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  transition: border-color 0.2s;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--amber);
}
.field textarea { min-height: 9rem; resize: vertical; }
.hp { position: absolute; left: -9999px; opacity: 0; }
.form-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--paper-dim);
  margin-top: 1rem;
}
.form-status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-top: 1rem;
  display: none;
}
.form-status.ok { display: block; color: var(--live); }
.form-status.err { display: block; color: var(--amber); }

/* ---------- CTA band ---------- */
.cta-band {
  padding: 6rem 0;
  text-align: center;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 90% at 50% 100%, color-mix(in srgb, var(--amber) 14%, transparent), transparent 70%),
    var(--ink);
}
.cta-band h2 { margin-bottom: 1.2rem; }
.cta-band p { color: var(--paper-dim); margin-bottom: 2.4rem; }

/* ---------- Footer ---------- */
.site-footer { padding: 4rem 0 2rem; }
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(9rem, auto));
  gap: 3rem;
  margin-bottom: 3.5rem;
}
.footer-word {
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
  transition: color 0.4s, -webkit-text-stroke-color 0.4s;
  user-select: none;
}
.footer-word:hover { color: var(--amber); -webkit-text-stroke-color: var(--amber); }
.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 1.1rem;
}
.site-footer li { margin-bottom: 0.55rem; }
.site-footer li a {
  font-size: 0.92rem;
  color: var(--paper-dim);
  transition: color 0.2s;
}
.site-footer li a:hover { color: var(--amber); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--paper-dim);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-1 { transition-delay: 0.08s; }
.reveal-2 { transition-delay: 0.16s; }
.reveal-3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid,
  .product-block .wrap,
  .about-body,
  .contact-grid { grid-template-columns: 1fr; }
  .services-grid, .values-grid { grid-template-columns: 1fr; }
  .service-cell { border-right: none; border-bottom: 1px solid var(--line); }
  .service-cell:last-child { border-bottom: none; }
  .stat-band { grid-template-columns: repeat(2, 1fr); }
  .stat-cell:nth-child(2n) { border-right: none; }
  .stat-cell:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .product-row { grid-template-columns: 3rem minmax(0, 1fr) auto; }
  .product-row .tag { display: none; }
}

@media (max-width: 700px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 4rem;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    padding: 1.1rem var(--gutter);
    border-left: none;
    border-top: 1px solid var(--line);
  }
  .main-nav a:last-child { border-right: none; }
  .hero { padding-top: 7.5rem; }
  .page-hero { padding-top: 7rem; }
  .section { padding: 4rem 0; }
}