/* =========================================================
   Iron Fortress Technologies — site styles
   Brand v2.0 — Bastion identity
   ========================================================= */

:root {
  --iron-gray: #2E3338;
  --tangerine: #F68712;
  --brushed-steel: #6A7078;
  --ivory-stone: #F2EEE6;
  --obsidian: #14171A;
  --white: #FFFFFF;

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --container-max: 1120px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(4rem, 9vw, 7rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--obsidian);
  background: var(--ivory-stone);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--iron-gray);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.15s ease;
}
a:hover { color: var(--tangerine); }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ----- Header ----- */
.site-header {
  background: var(--ivory-stone);
  border-bottom: 1px solid rgba(46, 51, 56, 0.08);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
  background: rgba(242, 238, 230, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--gutter);
  gap: 2rem;
}

.logo-link { display: inline-flex; align-items: center; text-decoration: none; }
.logo { height: 44px; width: auto; }

.site-nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.92rem;
}
.site-nav a {
  color: var(--iron-gray);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--tangerine); border-bottom-color: var(--tangerine); }

/* ----- Hero ----- */
.hero {
  background: var(--iron-gray);
  color: var(--ivory-stone);
  padding: clamp(5rem, 12vw, 9rem) 0 clamp(5rem, 12vw, 9rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: var(--tangerine);
}

.hero-inner { max-width: 760px; }

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  color: var(--tangerine);
  margin: 0 0 1.25rem;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 7vw, 4.75rem);
  line-height: 1.05;
  letter-spacing: -0.005em;
  margin: 0 0 1.5rem;
  text-transform: uppercase;
}

.hero-sub {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.55;
  color: rgba(242, 238, 230, 0.88);
  max-width: 56ch;
  margin: 0 0 2.5rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.btn {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  padding: 0.95rem 1.6rem;
  border-radius: 2px;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.12s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--tangerine);
  color: var(--iron-gray);
}
.btn-primary:hover { background: #ff9826; color: var(--iron-gray); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--ivory-stone);
  border-color: rgba(242, 238, 230, 0.4);
}
.btn-ghost:hover { border-color: var(--tangerine); color: var(--tangerine); }

/* ----- Sections ----- */
.section { padding: var(--section-y) 0; }
.section-light { background: var(--ivory-stone); color: var(--obsidian); }
.section-dark { background: var(--iron-gray); color: var(--ivory-stone); }

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
@media (max-width: 760px) {
  .section-grid { grid-template-columns: 1fr; gap: 2rem; }
}

.section-header.centered { text-align: center; max-width: 720px; margin: 0 auto 3.5rem; }

.section-eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--tangerine);
  margin: 0 0 0.85rem;
}
.section-eyebrow.on-dark { color: var(--tangerine); }

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  color: var(--iron-gray);
}
.section-title.on-dark { color: var(--ivory-stone); }

.section-lede {
  color: var(--brushed-steel);
  font-size: 1.05rem;
  max-width: 48ch;
  margin: 0;
}

.section-body p { margin: 0 0 1.2rem; max-width: 62ch; }
.section-body p:last-child { margin-bottom: 0; }

.rule {
  border: 0;
  border-top: 1px solid rgba(46, 51, 56, 0.12);
  margin: 0;
}

/* ----- Services ----- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
@media (max-width: 760px) {
  .services-grid { grid-template-columns: 1fr; }
}

.service-card {
  background: rgba(242, 238, 230, 0.04);
  border: 1px solid rgba(242, 238, 230, 0.1);
  border-left: 3px solid var(--tangerine);
  padding: clamp(1.75rem, 3vw, 2.25rem);
  border-radius: 2px;
}

.service-number {
  font-family: var(--font-mono);
  color: var(--tangerine);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.service-title {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.005em;
  font-size: 1.4rem;
  line-height: 1.2;
  margin: 0 0 0.9rem;
  color: var(--ivory-stone);
}

.service-body {
  margin: 0;
  color: rgba(242, 238, 230, 0.82);
  line-height: 1.65;
}

/* ----- Contact ----- */
.contact-list { margin: 0; }

.contact-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.25rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(46, 51, 56, 0.1);
}
.contact-row:last-child { border-bottom: 0; }

.contact-row dt {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  color: var(--brushed-steel);
  margin: 0;
}
.contact-row dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.08rem;
  color: var(--iron-gray);
}
.contact-row dd.address {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.55;
}
.contact-row dd a { color: var(--iron-gray); }
.contact-row dd a:hover { color: var(--tangerine); }

/* ----- Footer ----- */
.site-footer {
  background: var(--obsidian);
  color: var(--ivory-stone);
  padding: 3rem 0 2.5rem;
  border-top: 4px solid var(--tangerine);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.footer-mark { height: 56px; width: auto; opacity: 0.95; }

.footer-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 1rem;
  margin: 0;
  color: var(--ivory-stone);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(242, 238, 230, 0.55);
  margin: 0.5rem 0 0;
  letter-spacing: 0.04em;
}

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}