/* ===========================================================
   Iteiga Tech — Rock Strata Theme
   =========================================================== */

:root {
  --stone-black: #100e0c;
  --stone-charcoal: #1c1916;
  --stone-charcoal-light: #2c2621;
  --stone-white: #f4efe4;
  --stone-grey: #b9b0a2;
  --stone-grey-dark: #6f665c;

  --red-800: #5c1219;
  --red-600: #9c2128;
  --red-500: #c22e2e;

  --orange-600: #a4441a;
  --orange-500: #c1521c;
  --orange-400: #e07a29;

  --yellow-500: #d9a03a;
  --yellow-400: #e8b33d;
  --yellow-300: #f0c94c;

  --font-head: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Work Sans', 'Segoe UI', Arial, sans-serif;

  --max-width: 1120px;
  --strata-gradient: linear-gradient(90deg,
    var(--red-600) 0%, var(--orange-500) 25%, var(--yellow-400) 50%,
    var(--orange-500) 75%, var(--red-600) 100%);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--stone-black);
  color: var(--stone-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0 0 0.6em;
  color: var(--stone-white);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; color: var(--stone-grey); }
a { color: var(--yellow-400); text-decoration: none; }
a:hover { color: var(--orange-400); }
img { max-width: 100%; display: block; }
ul { padding: 0; margin: 0; list-style: none; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--yellow-400);
  color: var(--stone-black);
  padding: 0.6em 1em;
  z-index: 200;
  font-weight: 600;
}
.skip-link:focus { left: 1em; top: 1em; }

/* ---------- Strata line (thin banded rule) ---------- */
.strata-line {
  height: 6px;
  width: 100%;
  background: repeating-linear-gradient(90deg,
    var(--red-600) 0 48px,
    var(--orange-500) 48px 96px,
    var(--yellow-400) 96px 144px,
    var(--stone-black) 144px 176px);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--stone-charcoal);
  border-bottom: 1px solid var(--stone-charcoal-light);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  color: var(--stone-white);
}
.wordmark span {
  background: var(--strata-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.wordmark.small { font-size: 1.1rem; }

.site-nav { display: flex; align-items: center; gap: 1.75rem; }
.site-nav a {
  color: var(--stone-grey);
  font-family: var(--font-head);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover,
.site-nav a.active { color: var(--stone-white); border-bottom-color: var(--orange-500); }
.site-nav a.nav-cta {
  background: var(--strata-gradient);
  color: var(--stone-black);
  border-bottom: none;
  padding: 0.5rem 1rem;
  border-radius: 2px;
  font-weight: 600;
}
.site-nav a.nav-cta:hover { color: var(--stone-black); filter: brightness(1.1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--stone-charcoal-light);
  border-radius: 3px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  margin: 0 7px;
  background: var(--yellow-400);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.95rem;
  padding: 0.85rem 1.7rem;
  border-radius: 2px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--strata-gradient); color: var(--stone-black); font-weight: 600; }
.btn-primary:hover { color: var(--stone-black); filter: brightness(1.08); }
.btn-ghost { background: transparent; border-color: var(--stone-grey-dark); color: var(--stone-white); }
.btn-ghost:hover { border-color: var(--yellow-400); color: var(--yellow-400); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 7rem 1.5rem 6rem;
  background:
    linear-gradient(180deg, rgba(16,14,12,0.72), rgba(16,14,12,0.92)),
    repeating-linear-gradient(180deg,
      var(--stone-black) 0px, var(--stone-black) 58px,
      var(--stone-charcoal) 58px 64px,
      var(--stone-black) 64px 118px,
      var(--red-800) 118px 124px,
      var(--stone-black) 124px 200px,
      var(--orange-600) 200px 205px,
      var(--stone-black) 205px 260px,
      var(--yellow-500) 260px 264px,
      var(--stone-black) 264px 320px);
  background-size: 100% 320px;
  overflow: hidden;
}
.hero--sub { padding: 5.5rem 1.5rem 4.5rem; }
.hero--short { padding-bottom: 3.5rem; }
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.85;
}
.hero-inner { max-width: var(--max-width); margin: 0 auto; position: relative; z-index: 2; }
.eyebrow {
  font-family: var(--font-head);
  color: var(--yellow-400);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}
.hero .lead { max-width: 640px; font-size: 1.15rem; }
.hero-actions { display: flex; gap: 1rem; margin-top: 1.75rem; flex-wrap: wrap; }
.highlight { color: var(--yellow-300); font-weight: 500; }

/* ---------- Strata divider (jagged rock edge) ---------- */
.strata-divider {
  height: 46px;
  width: 100%;
  background: var(--strata-gradient);
  clip-path: polygon(
    0% 100%, 0% 30%, 5% 70%, 10% 10%, 15% 60%, 20% 20%, 25% 80%,
    30% 15%, 35% 65%, 40% 5%, 45% 55%, 50% 25%, 55% 75%, 60% 10%,
    65% 60%, 70% 20%, 75% 85%, 80% 15%, 85% 70%, 90% 10%, 95% 55%,
    100% 20%, 100% 100%
  );
}

/* ---------- Sections ---------- */
.section { padding: 5rem 1.5rem; }
.section--alt { background: var(--stone-charcoal); }
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section-tag {
  display: inline-block;
  font-family: var(--font-head);
  color: var(--orange-400);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
  border-bottom: 2px solid var(--orange-500);
  padding-bottom: 0.35rem;
}
.section p { max-width: 760px; }

/* ---------- Cards ---------- */
.card-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.stone-card {
  position: relative;
  background: var(--stone-charcoal-light);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 3px;
  padding: 1.75rem;
}
.stone-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--strata-gradient);
}
.stone-card h3 { margin-bottom: 0.5rem; color: var(--yellow-300); }
.stone-card p { margin: 0; font-size: 0.95rem; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.feature-card { padding-top: 2.25rem; }
.feature-mark {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--red-500);
  display: block;
  margin-bottom: 0.5rem;
  opacity: 0.85;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--stone-charcoal);
  border-top: 1px solid var(--stone-charcoal-light);
  border-bottom: 1px solid var(--stone-charcoal-light);
  text-align: center;
}
.cta-inner { max-width: 640px; }
.cta-inner p { margin-left: auto; margin-right: auto; }
.cta-band .btn { margin-top: 0.75rem; }

.coming-soon { max-width: 760px; }

/* ---------- Forms ---------- */
.contact-inner { max-width: 720px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-field { margin-bottom: 1.25rem; display: flex; flex-direction: column; }
.form-field label {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
  color: var(--stone-grey);
  margin-bottom: 0.4rem;
}
.form-field input {
  background: var(--stone-charcoal-light);
  border: 1px solid var(--stone-grey-dark);
  border-radius: 2px;
  padding: 0.75rem 0.9rem;
  color: var(--stone-white);
  font-family: var(--font-body);
  font-size: 1rem;
}
.form-field input:focus {
  outline: none;
  border-color: var(--yellow-400);
}
.form-field--hidden { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-alert {
  padding: 1rem 1.25rem;
  border-radius: 3px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.form-alert--success { background: rgba(224,138,41,0.15); border: 1px solid var(--orange-500); color: var(--yellow-300); }
.form-alert--error { background: rgba(194,46,46,0.15); border: 1px solid var(--red-500); color: #ffb4b4; }

/* ---------- Footer ---------- */
.site-footer { background: var(--stone-black); border-top: 1px solid var(--stone-charcoal-light); }
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-brand p { max-width: 320px; font-size: 0.9rem; margin-top: 0.75rem; }
.footer-nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-nav a { color: var(--stone-grey); font-size: 0.9rem; }
.footer-nav a:hover { color: var(--yellow-400); }
.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem 2rem;
  font-size: 0.8rem;
  color: var(--stone-grey-dark);
}

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--stone-charcoal);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-bottom: 1px solid var(--stone-charcoal-light);
  }
  .site-nav.is-open { max-height: 320px; padding: 0.5rem 1.5rem 1.25rem; }
  .site-nav a { width: 100%; padding: 0.75rem 0; border-bottom: 1px solid var(--stone-charcoal-light); }
  .site-nav a.nav-cta { margin-top: 0.5rem; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
}