/* ============================================================
   TEJAS — style.css
   Dark corporate theme · charcoal + amber accent
   ============================================================ */

/* ---------- Fonts (self-hosted) ---------- */
@font-face {
  font-family: "Space Grotesk";
  src: url("/assets/fonts/SpaceGrotesk-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("/assets/fonts/SpaceGrotesk-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/Inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
  --bg: #0b0b0d;
  --bg-alt: #101013;
  --surface: #16161a;
  --line: rgba(255, 255, 255, 0.09);
  --line-soft: rgba(255, 255, 255, 0.05);
  --text: #f2f1ee;
  --text-2: #a8a6a2;
  --text-3: #898681;
  --accent: #e8a33d;
  --accent-dim: rgba(232, 163, 61, 0.14);
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --container: 1080px;
  --radius: 10px;
  --ease: cubic-bezier(0.22, 0.9, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
[class] { margin: 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;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--accent-dim); color: var(--text); }

.container {
  width: min(100% - 3rem, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.5rem 0.9rem;
  background: var(--accent);
  color: #0b0b0d;
  font-weight: 500;
  border-radius: 6px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Typography ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); }
h3 { font-size: 1.13rem; line-height: 1.3; }

.eyebrow {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.lead, .section-sub {
  color: var(--text-2);
  font-size: 1.06rem;
  max-width: 36em;
}

.accent { color: var(--accent); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(11, 11, 13, 0.82);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line-soft);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  letter-spacing: 0.28em;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.9rem;
}
.site-nav a {
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.02em;
  transition: color 0.2s var(--ease);
}
.site-nav a:hover { color: var(--text); }
.site-nav a.is-active { color: var(--accent); }
.nav-cta {
  padding: 0.42rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text) !important;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav-cta:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: transform 0.25s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 9.5rem 0 5.5rem;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}
/* Fine blueprint grid — anchored to the section, not decorative noise */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 80% at 24% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 24% 20%, #000 30%, transparent 75%);
}
.hero-content { position: relative; max-width: 44rem; }
.hero-title {
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  margin-bottom: 1.6rem;
}
.hero-intro {
  color: var(--text-2);
  font-size: 1.09rem;
  max-width: 34em;
  margin-bottom: 2.3rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 3.2rem;
}
.hero-facts {
  display: flex;
  gap: 2.6rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line-soft);
  max-width: 30rem;
}
.hero-facts dt {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.2rem;
}
.hero-facts dd {
  font-family: var(--font-display);
  font-size: 0.98rem;
  color: var(--text);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.5rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease),
              border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: #14100a;
}
.btn-primary:hover { background: #f0b257; }
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Sections ---------- */
.section { padding: 6.5rem 0; border-bottom: 1px solid var(--line-soft); }
.section:last-of-type { border-bottom: 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 42rem; margin-bottom: 3.4rem; }
.section-sub { margin-top: 1rem; }

/* ---------- Vision ---------- */
.vision-body { max-width: 46rem; }
.vision-points {
  margin-top: 3rem;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.vision-point {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: 1.4rem;
  padding: 1.9rem 0;
  border-bottom: 1px solid var(--line);
}
.point-index {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--accent);
  font-size: 0.9rem;
  padding-top: 0.2rem;
}
.vision-point h3 { margin-bottom: 0.4rem; }
.vision-point p, .about-col p { color: var(--text-2); font-size: 0.97rem; }

/* ---------- Ecosystem pillars ---------- */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.pillar {
  padding: 2.1rem 1.7rem 1.9rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background 0.25s var(--ease);
}
.pillar:hover { background: rgba(255, 255, 255, 0.022); }
.pillar-icon {
  width: 34px;
  height: 34px;
  color: var(--text);
  margin-bottom: 1.3rem;
}
.pillar-icon svg { width: 100%; height: 100%; }
.pillar h3 { margin-bottom: 0.55rem; }
.pillar p { color: var(--text-2); font-size: 0.9rem; line-height: 1.62; }
.status-tag {
  display: inline-block;
  margin-top: 1.2rem;
  padding: 0.22rem 0.68rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}
.status-active {
  color: var(--accent);
  border-color: rgba(232, 163, 61, 0.35);
  background: var(--accent-dim);
}
.status-future { color: var(--text-3); border-style: dashed; }

/* ---------- Products ---------- */
.product-list { border-top: 1px solid var(--line); }
.product {
  display: grid;
  grid-template-columns: 1.1fr 1.6fr auto;
  gap: 2rem;
  align-items: center;
  padding: 1.9rem 0.4rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s var(--ease);
}
.product:hover { background: rgba(255, 255, 255, 0.02); }
.product-code {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--text-3);
  display: block;
  margin-bottom: 0.35rem;
}
.product h3 { font-size: 1.22rem; }
.product-desc p { color: var(--text-2); font-size: 0.95rem; max-width: 34em; }

/* ---------- Developers ---------- */
.develop-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem;
  align-items: start;
}
/* Prevent grid items from overflowing their tracks (wide pre/code content) */
.develop-grid > *, .contact-grid > * { min-width: 0; }
.develop-steps {
  margin-top: 2.4rem;
  border-top: 1px solid var(--line);
}
.develop-steps li {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: 1.2rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.step-label {
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.develop-steps p { color: var(--text-2); font-size: 0.94rem; }
.develop-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
}
.panel-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1rem;
}
.code-block {
  background: #0d0d10;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  padding: 1.1rem 1.2rem;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  overflow-x: auto;
  color: #ccc9c4;
}
.c-cm { color: #63615d; }
.c-fn { color: var(--accent); }
.c-key { color: #b8b5af; }
.c-str { color: #d9c9a3; }
.panel-note {
  margin-top: 1.1rem;
  color: var(--text-2);
  font-size: 0.88rem;
}

/* ---------- About ---------- */
.about-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.6rem;
}
.about-col h3 {
  padding-bottom: 0.95rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3.5rem;
  align-items: start;
}
.contact-links { display: grid; gap: 0.9rem; }
.contact-link {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 0.95rem;
  align-items: center;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.contact-link:hover { border-color: var(--accent); }
.contact-link svg { width: 26px; height: 26px; }
.contact-link strong {
  display: block;
  font-size: 0.94rem;
  font-weight: 500;
}
.contact-link span {
  display: block;
  font-size: 0.82rem;
  color: var(--text-2);
}
.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.8rem;
  display: grid;
  gap: 1.15rem;
}
.form-row { display: grid; gap: 0.42rem; }
.form-row label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.03em;
}
.form-row input,
.form-row textarea {
  background: #0d0d10;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.72rem 0.9rem;
  color: var(--text);
  font: inherit;
  font-size: 0.93rem;
  resize: vertical;
  transition: border-color 0.2s var(--ease);
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-row input::placeholder,
.form-row textarea::placeholder { color: var(--text-3); }
.hp-field {
  position: absolute !important;
  left: -9999px !important;
}
.btn-submit { justify-self: start; }
.btn-submit[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}
.form-status {
  font-size: 0.88rem;
  min-height: 1.3em;
}
.form-status.is-ok { color: #7fc98a; }
.form-status.is-error { color: #e07a6b; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 4.5rem 0 3rem;
  background: var(--bg-alt);
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.8rem;
  padding-bottom: 2.4rem;
  border-bottom: 1px solid var(--line);
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-nav a, .footer-repo {
  font-size: 0.86rem;
  color: var(--text-2);
  transition: color 0.2s var(--ease);
}
.footer-nav a:hover, .footer-repo:hover { color: var(--text); }
.footer-repo {
  padding: 0.38rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  font-size: 0.82rem;
  color: var(--text-3);
}
.footer-note { max-width: 34em; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
  will-change: auto;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .develop-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.6rem; }
  .about-cols { grid-template-columns: 1fr; gap: 2.2rem; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    padding: 0.8rem 1.5rem 1.4rem;
    background: rgba(11, 11, 13, 0.97);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.25s var(--ease), opacity 0.25s var(--ease), visibility 0.25s;
  }
  .site-nav.is-open {
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .site-nav a { font-size: 1rem; padding: 0.55rem 0; width: 100%; }
  .nav-cta {
    margin-top: 0.7rem;
    text-align: center;
    padding: 0.6rem 0.95rem;
  }
  .hero { min-height: auto; padding-top: 8rem; }
  .hero-facts { gap: 1.6rem; flex-wrap: wrap; }
  .product {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
  .product .status-tag { justify-self: start; }
  .section { padding: 4.5rem 0; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .pillar-grid { grid-template-columns: 1fr; }
  .vision-point { grid-template-columns: 2.4rem 1fr; gap: 1rem; }
  .develop-steps li { grid-template-columns: 1fr; gap: 0.3rem; }
  .hero-facts dd { font-size: 0.9rem; }
}