/* ============================================
   Smart Factories — Design System
   ============================================ */

:root {
  --bg: #0b0c10;
  --bg-alt: #14161d;
  --bg-card: #1a1d27;
  --border: #262a36;
  --text: #f2f2f0;
  --text-dim: #a3a7b3;
  --text-faint: #6b7080;
  --accent: #00bcff;
  --accent-hover: #45cdff;
  --accent-dim: rgba(0, 188, 255, 0.12);
  --accent-2: #ffb020;
  --max-width: 1160px;
  --radius: 10px;
  --font-display: 'Sora', 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { color: var(--text-dim); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.lede {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 640px;
}

/* ---------- Header ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 12, 16, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.logo-mark { height: 30px; width: auto; display: block; }
footer .logo-mark { height: 26px; }
.wordmark { height: 22px; width: auto; display: block; }
footer .wordmark { height: 20px; }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-dim);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.nav-cta {
  background: var(--accent);
  color: #0b0c10 !important;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.9rem;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--accent-hover); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px; height: 2px; background: var(--text);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #0b0c10; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-outline { border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--text-dim); }

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--border);
}
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

/* ---------- Sections ---------- */
section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Grid / Cards ---------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: #3a3f4f; transform: translateY(-2px); }

.card .icon {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim);
  border-radius: 9px;
  color: var(--accent);
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.95rem; }
.card a.card-link {
  display: inline-block; margin-top: 16px; font-size: 0.88rem;
  color: var(--accent); font-weight: 600;
}

/* ---------- Stats ---------- */
.stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  padding-top: 40px;
  margin-top: 40px;
  border-top: 1px solid var(--border);
}
.stat .num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text);
}
.stat .label { font-size: 0.85rem; color: var(--text-faint); margin-top: 4px; }

/* ---------- Work items ---------- */
.work-item {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  padding: 44px 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.work-item:first-of-type { padding-top: 0; }
.work-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  border: 1px solid rgba(255, 176, 32, 0.3);
  background: rgba(255, 176, 32, 0.08);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.work-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-align: center;
  padding: 20px;
}
.work-list { margin: 18px 0 0; }
.work-list li {
  color: var(--text-dim);
  font-size: 0.92rem;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}
.work-list li::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--accent);
}

/* ---------- Process ---------- */
.process-step {
  display: flex;
  gap: 22px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.process-step:last-child { border-bottom: none; }
.process-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--accent);
  min-width: 44px;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 64px 48px;
  text-align: center;
}
.cta-band h2 { margin-bottom: 16px; }
.cta-band p { max-width: 480px; margin: 0 auto 30px; }

/* ---------- Contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
}
.contact-detail { display: flex; gap: 16px; margin-bottom: 26px; }
.contact-detail .icon {
  width: 38px; height: 38px; flex-shrink: 0;
  background: var(--accent-dim); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.contact-detail h4 { font-size: 0.95rem; margin-bottom: 3px; }
.contact-detail p { font-size: 0.92rem; margin: 0; }

form.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label {
  display: block; font-size: 0.85rem; font-weight: 600;
  margin-bottom: 7px; color: var(--text-dim);
}
input, textarea, select {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent);
}
textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.82rem; color: var(--text-faint); }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: 40px;
}
.footer-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 32px; margin-bottom: 32px;
}
.footer-links { display: flex; gap: 40px; flex-wrap: wrap; }
.footer-col h4 {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-faint); margin-bottom: 14px;
}
.footer-col a {
  display: block; font-size: 0.92rem; color: var(--text-dim);
  margin-bottom: 10px; transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--border);
  font-size: 0.82rem; color: var(--text-faint); flex-wrap: wrap; gap: 12px;
}

/* ---------- Page header (inner pages) ---------- */
.page-header { padding: 64px 0 56px; border-bottom: 1px solid var(--border); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 760px; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  margin-top: 14px;
  font-size: 0.95rem;
  max-width: 640px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .work-item { grid-template-columns: 1fr; }
  .work-visual { order: -1; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .footer-top { flex-direction: column; }
}

@media (max-width: 860px) {
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
  }
}


/* --- work media (added 2026-09-02) --- */
.work-media {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0 0 18px;
}
.work-media video,
.work-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: block;
  background: var(--bg-card);
}
.work-media-note {
  font-size: 0.75rem;
  color: var(--text-faint);
  margin: -8px 0 16px;
}
@media (max-width: 640px) {
  .work-media { gap: 8px; }
}

/* 16:9-sourced work (3D renders, film) cropped to 4:3 — wider than the 4:5 product strip */
.work-media--wide video,
.work-media--wide img {
  aspect-ratio: 4 / 3;
}