/* ============================================================
   TRS Technical Ltd — Tim Spilman
   Dark & premium theme
   ============================================================ */

:root {
  --bg:        #0a0a0b;
  --bg-2:      #111114;
  --bg-3:      #16161a;
  --ink:       #f3efe6;   /* warm off-white */
  --muted:     #968f82;   /* warm grey */
  --gold:      #c9a24b;   /* brass */
  --gold-soft: #d8b96f;
  --gold-dim:  rgba(201, 162, 75, 0.18);
  --line:      rgba(243, 239, 230, 0.10);
  --line-soft: rgba(243, 239, 230, 0.06);

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --max:   1180px;
  --pad:   clamp(20px, 5vw, 64px);
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding-inline: var(--pad); }

/* ---------- Brand wordmark (live text) ---------- */
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.9rem;
  letter-spacing: 0.02em;
  line-height: 0.8;
  color: var(--ink);
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-line-1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.34em;
  color: var(--ink);
}
.brand-line-2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.5rem;
  letter-spacing: 0.46em;
  color: var(--gold);
  margin-top: 2px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 22px 0;
  transition: padding .35s ease, background .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  padding: 12px 0;
  background: rgba(10, 10, 11, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }

.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .2s ease;
}
.nav a:hover { color: var(--ink); }
.nav-cta {
  color: var(--bg) !important;
  background: var(--gold);
  padding: 9px 18px;
  border-radius: var(--radius);
  transition: background .2s ease, transform .2s ease;
}
.nav-cta:hover { background: var(--gold-soft); transform: translateY(-1px); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 26px; height: 2px; background: var(--ink); transition: .3s; }
.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); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  cursor: pointer;
}
.btn-gold { background: var(--gold); color: var(--bg); }
.btn-gold:hover { background: var(--gold-soft); transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-lg { padding: 17px 40px; font-size: 1rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 70% 10%, rgba(201,162,75,0.10), transparent 55%),
    linear-gradient(180deg, #0c0c0e 0%, #0a0a0b 60%, #08080a 100%);
  background-image:
    radial-gradient(120% 90% at 70% 10%, rgba(201,162,75,0.10), transparent 55%),
    url('../assets/photos/hero.jpg');
  background-size: cover; background-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(8,8,10,0.94) 0%, rgba(8,8,10,0.78) 45%, rgba(8,8,10,0.45) 100%);
}
.hero-inner { position: relative; z-index: 2; padding-top: 120px; padding-bottom: 120px; }
.hero-kicker {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.78rem;
  color: var(--gold);
  margin: 0 0 22px;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.92;
  letter-spacing: 0.005em;
  font-size: clamp(3rem, 11vw, 8.5rem);
  margin: 0 0 28px;
}
.hero-title span { display: block; }
.hero-title em { font-style: normal; color: var(--gold); }
.hero-sub {
  max-width: 620px; font-size: clamp(1rem, 1.4vw, 1.18rem);
  color: #d8d3c8; margin: 0 0 14px;
}
.hero-sub strong { color: var(--ink); }
.hero-availability {
  color: var(--muted); font-size: 0.95rem; margin: 0 0 36px;
  border-left: 2px solid var(--gold); padding-left: 14px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-motto {
  position: absolute; bottom: 26px; right: var(--pad); z-index: 2;
  font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: 0.3em; font-size: 0.72rem; color: var(--muted);
}

/* ---------- Marquee ---------- */
.marquee {
  background: var(--gold);
  color: var(--bg);
  padding: 16px 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex; align-items: center; gap: 28px;
  font-family: var(--font-display); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.18em; font-size: 1.05rem;
  animation: marquee 34s linear infinite;
  will-change: transform;
}
.marquee-track .dot { font-size: 0.6rem; opacity: 0.6; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: clamp(70px, 11vw, 140px) 0; }
.section-alt { background: var(--bg-2); }
.eyebrow {
  font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: 0.3em; font-size: 0.74rem; color: var(--gold);
  margin: 0 0 18px;
}
.eyebrow.centered { text-align: center; }
.section-title {
  font-family: var(--font-display); font-weight: 600;
  text-transform: uppercase; line-height: 1.02;
  font-size: clamp(1.9rem, 4.2vw, 3.4rem); margin: 0;
  letter-spacing: 0.005em;
}
.section-head { margin-bottom: 56px; max-width: 760px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 90px); }

/* About */
.about-body p { color: #cfc9bd; margin: 0 0 20px; }
.about-body strong { color: var(--ink); }
.about-facts {
  list-style: none; padding: 0; margin: 36px 0 0;
  display: flex; gap: 40px; flex-wrap: wrap;
}
.about-facts li {
  font-size: 0.84rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.about-facts span {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: 2.2rem; color: var(--gold); letter-spacing: 0;
  text-transform: none; margin-bottom: 4px;
}

/* Cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); }
.card {
  background: var(--bg); padding: 40px 36px;
  transition: background .3s ease;
}
.section-alt .card { background: var(--bg-2); }
.card:hover { background: var(--bg-3); }
.card-num {
  font-family: var(--font-display); font-weight: 700; font-size: 0.85rem;
  color: var(--gold); letter-spacing: 0.1em; margin-bottom: 18px;
}
.card h3 {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.04em; font-size: 1.25rem; margin: 0 0 12px;
}
.card p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* Skills */
.skills { margin-top: 64px; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li {
  font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: 0.08em; font-size: 0.78rem; color: var(--ink);
  border: 1px solid var(--line); border-radius: 100px;
  padding: 8px 16px; transition: border-color .2s, color .2s;
}
.chips li:hover { border-color: var(--gold); color: var(--gold); }

/* Draughting showcase */
.showcase { padding: clamp(70px, 11vw, 140px) 0; background: var(--bg); border-top: 1px solid var(--line-soft); }
.showcase-inner { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(32px, 6vw, 70px); align-items: center; }
.showcase-copy { color: var(--muted); margin: 22px 0 0; max-width: 460px; }
.showcase-figure {
  margin: 0; border-radius: var(--radius); overflow: hidden;
  background: #f3efe6; padding: 14px;
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.showcase-figure img { width: 100%; border-radius: 2px; }
.showcase-inner.solo { grid-template-columns: 1fr; max-width: 780px; margin-inline: auto; text-align: center; }
.showcase-inner.solo .showcase-copy { max-width: 580px; margin-inline: auto; }
.capability-chips { list-style: none; padding: 0; margin: 32px 0 0; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.capability-chips li { border: 1px solid var(--line); border-radius: 999px; padding: 9px 18px; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 860px) {
  .showcase-inner { grid-template-columns: 1fr; }
}

/* Credits */
.credits-grid { gap: clamp(32px, 6vw, 70px); }
.credits-cat {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.16em; font-size: 1.05rem; color: var(--gold);
  margin: 0 0 22px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.credit-list { list-style: none; padding: 0; margin: 0; }
.credit-list li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 15px 0; border-bottom: 1px solid var(--line-soft);
  transition: padding-left .25s ease;
}
.credit-list li:hover { padding-left: 8px; }
.credit-name {
  font-family: var(--font-display); font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.04em; font-size: 1.02rem;
}
.credit-name em { font-style: normal; color: var(--gold-soft); }
.credit-year { font-size: 0.82rem; color: var(--muted); white-space: nowrap; }

/* Timeline */
.timeline { position: relative; margin-left: 6px; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 6px; bottom: 6px;
  width: 1px; background: var(--line);
}
.tl-item {
  display: grid; grid-template-columns: 170px 1fr; gap: 30px;
  padding: 0 0 40px 32px; position: relative;
}
.tl-item::before {
  content: ''; position: absolute; left: -4px; top: 7px;
  width: 9px; height: 9px; background: var(--gold);
  border-radius: 50%; box-shadow: 0 0 0 4px var(--bg);
}
.section-alt .tl-item::before { box-shadow: 0 0 0 4px var(--bg-2); }
.tl-year {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; font-size: 0.88rem; color: var(--gold); padding-top: 2px;
}
.tl-body h3 {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.03em; font-size: 1.2rem; margin: 0 0 6px;
}
.tl-role {
  display: block; font-weight: 400; font-size: 0.8rem; letter-spacing: 0.06em;
  color: var(--muted); text-transform: none; font-family: var(--font-body); margin-top: 4px;
}
.tl-body p { color: var(--muted); font-size: 0.95rem; margin: 8px 0 0; max-width: 640px; }

/* Creds row */
.creds-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px;
  margin-top: 70px; padding-top: 50px; border-top: 1px solid var(--line);
}
.creds-block h4 {
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 0.82rem; color: var(--gold); margin: 0 0 16px;
}
.creds-block ul { list-style: none; padding: 0; margin: 0; }
.creds-block li {
  font-size: 0.9rem; color: var(--muted); padding: 7px 0;
  border-bottom: 1px solid var(--line-soft);
}

/* Gallery */
.gallery {
  display: grid; grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 240px; gap: 14px;
}
.g-item {
  margin: 0; position: relative; overflow: hidden; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--bg-3), var(--bg-2));
  border: 1px solid var(--line-soft);
}
.g-tall { grid-row: span 2; }
.g-wide { grid-column: span 2; }
.g-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease, opacity .3s;
  filter: grayscale(0.25);
}
.g-item:hover img { transform: scale(1.06); filter: grayscale(0); }
.g-item figcaption {
  position: absolute; left: 16px; bottom: 14px; z-index: 2;
  font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: 0.16em; font-size: 0.78rem; color: var(--ink);
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
}
.g-item::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0,0,0,0.55));
  pointer-events: none;
}

/* Contact */
.section-contact { text-align: center; background: var(--bg-2); }
.contact-title {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(2.4rem, 7vw, 5rem); line-height: 1; margin: 0 0 16px;
}
.contact-sub { color: var(--muted); max-width: 540px; margin: 0 auto 50px; }
.contact-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  max-width: 820px; margin: 0 auto 50px;
}
.contact-card {
  background: var(--bg); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 28px 20px; transition: border-color .2s, transform .2s;
}
a.contact-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.contact-label {
  display: block; font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: 0.2em; font-size: 0.7rem; color: var(--gold); margin-bottom: 10px;
}
.contact-value { font-size: 1.02rem; color: var(--ink); word-break: break-word; }

/* Footer */
.site-footer { background: var(--bg); border-top: 1px solid var(--line); padding: 56px 0; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 18px; text-align: center; }
.footer-motto {
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.18em;
  font-size: 0.84rem; color: var(--gold); margin: 0;
}
.footer-legal { font-size: 0.78rem; color: var(--muted); margin: 0; letter-spacing: 0.04em; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px);
    background: var(--bg-2); flex-direction: column; align-items: flex-start;
    justify-content: center; gap: 26px; padding: 40px;
    transform: translateX(100%); transition: transform .35s ease;
    border-left: 1px solid var(--line);
  }
  .nav.open { transform: translateX(0); }
  .nav a { font-size: 1.05rem; }
  .nav-toggle { display: flex; z-index: 110; }
  .grid-2 { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .creds-row { grid-template-columns: 1fr; gap: 32px; }
  .tl-item { grid-template-columns: 1fr; gap: 6px; padding-bottom: 34px; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .g-wide { grid-column: span 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-motto { display: none; }
}
@media (max-width: 480px) {
  .gallery { grid-template-columns: 1fr; }
  .g-wide, .g-tall { grid-column: auto; grid-row: auto; }
  .about-facts { gap: 28px; }
}

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