/* Iron Rose Technology — brochure site */

:root {
  --bg: #16181c;
  --bg-raised: #1e2127;
  --bg-panel: #23262d;
  --steel: #9aa3ad;
  --steel-bright: #cdd4dc;
  --white: #f2f4f7;
  --accent: #6fb3d8;      /* circuit-glow blue from the mark */
  --accent-dim: #3d6f8e;
  --edge: #34383f;
  --font-head: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: Georgia, "Times New Roman", serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--steel-bright);
  font-family: var(--font-body);
  font-size: 1.06rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 { font-family: var(--font-head); letter-spacing: .04em; }

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(22, 24, 28, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--edge);
}

.nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: .65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
}

.nav-logo { width: 40px; height: auto; }

.nav-name {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--white);
  font-size: .95rem;
}

.nav-name .thorn { color: var(--accent); padding: 0 .1em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-head);
  font-size: .85rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--steel);
  text-decoration: none;
  transition: color .2s;
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
  border: 1px solid var(--accent-dim);
  padding: .4rem .9rem;
  border-radius: 2px;
  color: var(--accent) !important;
}

.nav-cta:hover { background: rgba(111, 179, 216, .1); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 5rem 1.25rem 6rem;
  text-align: center;
  background:
    radial-gradient(ellipse 70% 55% at 50% 28%, rgba(111, 179, 216, .08), transparent 70%),
    linear-gradient(180deg, #1b1e23 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--edge);
}

.hero-inner { max-width: 720px; margin: 0 auto; }

.hero-logo {
  width: min(340px, 70vw);
  margin: 0 auto 2.25rem;
  filter: drop-shadow(0 14px 34px rgba(0, 0, 0, .55));
}

.hero-title {
  font-size: clamp(2rem, 5.5vw, 3.1rem);
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--white);
}

.hero-title span {
  display: block;
  font-size: .52em;
  font-weight: 600;
  letter-spacing: .42em;
  color: var(--steel);
  margin-top: .3rem;
}

.hero-tagline {
  margin-top: 1.4rem;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--accent);
}

.hero-sub {
  margin: 1.1rem auto 2.4rem;
  max-width: 34rem;
  color: var(--steel);
}

.btn-primary {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .88rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--white);
  padding: .85rem 2.2rem;
  border: 1px solid var(--accent-dim);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(111, 179, 216, .14), rgba(111, 179, 216, .04));
  transition: background .25s, transform .25s;
}

.btn-primary:hover {
  background: linear-gradient(180deg, rgba(111, 179, 216, .26), rgba(111, 179, 216, .1));
  transform: translateY(-1px);
}

/* ---------- Sections ---------- */

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 4.5rem 1.25rem;
}

.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--white);
}

.section-lede {
  margin-top: .8rem;
  max-width: 40rem;
  color: var(--steel);
}

/* ---------- Disciplines ---------- */

.cards {
  margin-top: 2.75rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--edge);
  border-radius: 3px;
  padding: 1.9rem 1.7rem 2.1rem;
  transition: border-color .25s, transform .25s;
}

.card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-3px);
}

.card-rule {
  width: 44px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin-bottom: 1.3rem;
}

.card h3 {
  font-size: 1.05rem;
  letter-spacing: .06em;
  color: var(--white);
  margin-bottom: .8rem;
}

.card p { color: var(--steel); font-size: .98rem; }

.disciplines-note {
  margin-top: 2.6rem;
  font-style: italic;
  color: var(--steel);
  font-size: .95rem;
}

/* ---------- Ethos ---------- */

.ethos {
  background: var(--bg-raised);
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}

.ethos-grid {
  display: grid;
  grid-template-columns: minmax(220px, 340px) 1fr;
  gap: 3rem;
  align-items: center;
}

.ethos-lineart {
  border-radius: 3px;
  border: 1px solid var(--edge);
  filter: grayscale(1) contrast(1.05);
  opacity: .92;
}

.ethos-copy p { color: var(--steel-bright); margin-top: 1.1rem; max-width: 36rem; }

.ethos-list {
  margin-top: 1.4rem;
  list-style: none;
}

.ethos-list li {
  padding-left: 1.4rem;
  position: relative;
  margin-bottom: .55rem;
  color: var(--steel);
}

.ethos-list li::before {
  content: "\2720";           /* thorn-cross bullet */
  position: absolute;
  left: 0;
  color: var(--accent);
}

@media (max-width: 720px) {
  .ethos-grid { grid-template-columns: 1fr; }
  .ethos-art { max-width: 300px; margin: 0 auto; }
}

/* ---------- Contact ---------- */

.contact { text-align: center; }

.contact-lede { margin-top: .8rem; color: var(--steel); }

.contact-cards {
  margin-top: 2.4rem;
  display: flex;
  justify-content: center;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.contact-item {
  min-width: 240px;
  padding: 1.5rem 2rem;
  background: var(--bg-panel);
  border: 1px solid var(--edge);
  border-radius: 3px;
  text-decoration: none;
  transition: border-color .25s, transform .25s;
}

.contact-item:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}

.contact-label {
  display: block;
  font-family: var(--font-head);
  font-size: .75rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: .45rem;
}

.contact-value {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--edge);
  padding: 2.2rem 1.25rem 2.6rem;
  text-align: center;
  font-family: var(--font-head);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--steel);
}

.footer-tag { margin-top: .4rem; font-style: italic; color: var(--accent-dim); }

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

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