/*
Theme Name: Obsidian Stone
Description: Official theme for Obsidian Stone LLC (obsidianstonegroup.com).
Author: Obsidian Stone LLC
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: obsidian-stone
*/

:root {
  --bg: #060609;
  --bg-2: #0b0b11;
  --surface: rgba(255, 255, 255, 0.025);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #ecebf2;
  --muted: #8d8b9c;
  --faint: #55536399;
  --accent: #ffffff;
  --accent-2: #d4d4d8;
  --sheen: linear-gradient(115deg, #ffffff 0%, #8a8a90 45%, #ffffff 100%);
  --radius: 14px;
  --max: 1160px;
  --display: "Space Grotesk", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg, canvas { display: block; max-width: 100%; }
::selection { background: #fff; color: #000; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* grain overlay */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 100;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
}
.site-header.scrolled, .site-header.solid {
  background: rgba(6, 6, 9, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 38px; height: 38px; border-radius: 9px; box-shadow: 0 0 0 1px rgba(255,255,255,.08); }
.brand-name {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: 0.28em;
  font-size: 15px;
  text-transform: uppercase;
}
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a {
  font-size: 15px; color: var(--muted);
  letter-spacing: 0.01em;
  transition: color .2s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.menu-btn {
  display: none; background: none; border: 0; color: var(--text);
  width: 40px; height: 40px; cursor: pointer;
}
.menu-btn span { display: block; width: 20px; height: 1.5px; background: currentColor; margin: 5px auto; transition: transform .25s, opacity .25s; }
.menu-open .menu-btn span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-open .menu-btn span:nth-child(2) { opacity: 0; }
.menu-open .menu-btn span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 760px) {
  .menu-btn { display: block; }
  .nav-links {
    position: fixed; top: 84px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(6, 6, 9, 0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 20px;
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity .2s, transform .2s;
  }
  .menu-open .nav-links { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links a { display: block; padding: 14px 0; font-size: 15px; border-bottom: 1px solid var(--border); }
  .menu-open .site-header { background: rgba(6, 6, 9, 0.96); }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  display: flex; align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 60% at 80% 30%, rgba(255, 255, 255, 0.05), transparent 70%),
    linear-gradient(to bottom, transparent 70%, var(--bg));
}
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); align-items: center; gap: 40px;
  padding-top: 124px; padding-bottom: 24px;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 12px var(--accent-2); }
.blade-wrap { position: relative; width: 100%; aspect-ratio: 1; max-width: 430px; justify-self: center; margin: -60px 0; }
.blade-wrap canvas { width: 100%; height: 100%; }
.hero h1 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(36px, 4.6vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
}
.sheen {
  background: var(--sheen);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: sheen 8s ease-in-out infinite alternate;
}
@keyframes sheen { to { background-position: 100% 0; } }
.hero p.lead { color: var(--muted); font-size: clamp(15.5px, 1.3vw, 17px); max-width: 480px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 500;
  border: 1px solid var(--border-strong);
  transition: background .2s, border-color .2s, transform .2s;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,.3); }
.btn-primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn-primary:hover { background: #fff; }
.btn svg { width: 14px; height: 14px; }


@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; padding-top: 100px; gap: 8px; }
  .blade-wrap { order: -1; max-width: 300px; margin: 0 auto; }
}

/* ---------- sections ---------- */
section { position: relative; }
.section { padding: 96px 0; }
.hero + .section { padding-top: 72px; }
.section-head { max-width: 600px; margin-bottom: 48px; }
.section-head h2, .page-hero h1 {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(28px, 3.4vw, 42px); line-height: 1.1; letter-spacing: -0.025em;
  margin-top: 18px;
}
.section-head p { color: var(--muted); margin-top: 16px; font-size: 16px; }


.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.pillar {
  background: var(--bg); padding: 36px 28px 40px; position: relative; overflow: hidden;
  transition: background .3s;
}
.pillar::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(255,255,255,.06), transparent 40%);
  opacity: 0; transition: opacity .3s;
}
.pillar:hover::before { opacity: 1; }
.pillar .num { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .15em; }
.pillar .icon { width: 44px; height: 44px; margin: 40px 0 28px; color: var(--accent-2); }
.pillar h3 { font-family: var(--display); font-weight: 500; font-size: 20px; letter-spacing: -0.01em; margin-bottom: 10px; }
.pillar p { color: var(--muted); font-size: 14.5px; }
@media (max-width: 960px) { .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pillars { grid-template-columns: 1fr; } }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split .core { max-width: 300px; }
  #about { padding-bottom: 0 !important; }
}
.principles { list-style: none; display: grid; gap: 0; }
.principles li { display: grid; grid-template-columns: 56px 1fr; padding: 24px 0; border-top: 1px solid var(--border); }
.principles li:last-child { border-bottom: 1px solid var(--border); }
.principles .k { font-family: var(--mono); font-size: 12px; color: var(--accent); padding-top: 4px; }
.principles h3 { font-family: var(--display); font-weight: 500; font-size: 18px; margin-bottom: 4px; }
.principles p { color: var(--muted); font-size: 14.5px; }

.core { position: relative; aspect-ratio: 1; max-width: 420px; width: 100%; margin: 0 auto; }
.core canvas { width: 100%; height: 100%; }

.cta {
  position: relative; overflow: hidden;
  border: 1px solid var(--border); border-radius: 22px;
  padding: clamp(32px, 5vw, 56px);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(255,255,255,.06), transparent 60%),
    var(--bg-2);
  display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap;
}
.cta h2 { font-family: var(--display); font-weight: 500; font-size: clamp(22px, 2.4vw, 28px); letter-spacing: -0.03em; line-height: 1.1; max-width: 560px; }
.cta p { color: var(--muted); margin-top: 14px; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; }

/* ---------- inner pages ---------- */
.page-hero { padding: 152px 0 56px; border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(50% 80% at 85% 0%, rgba(255,255,255,.05), transparent 70%);
}
.page-hero p { color: var(--muted); margin-top: 16px; max-width: 620px; }
.meta { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 22px; letter-spacing: .05em; }

.doc-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 64px; padding: 64px 0 80px; }
@media (max-width: 860px) { .doc-layout { grid-template-columns: 1fr; gap: 24px; } .toc { position: static !important; } }
.toc { position: sticky; top: 112px; align-self: start; }
.toc p { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.toc ol { list-style: none; display: grid; gap: 8px; counter-reset: t; }
.toc a { font-size: 13.5px; color: var(--muted); transition: color .2s; }
.toc a:hover { color: var(--text); }
@media (max-width: 860px) { .toc { display: none; } }

.prose { max-width: 720px; }
.prose h2 { font-family: var(--display); font-weight: 500; font-size: 24px; letter-spacing: -0.015em; margin: 56px 0 16px; scroll-margin-top: 100px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-family: var(--display); font-weight: 500; font-size: 17px; margin: 28px 0 10px; }
.prose p, .prose li { color: #c4c2d0; font-size: 15.5px; }
.prose p + p { margin-top: 14px; }
.prose ul, .prose ol { padding-left: 20px; margin: 12px 0; display: grid; gap: 8px; }
.prose a { color: var(--accent-2); border-bottom: 1px solid rgba(255,255,255,.3); }
.prose a:hover { border-bottom-color: var(--accent-2); }
.prose strong { color: var(--text); font-weight: 600; }
.prose .caps { text-transform: uppercase; font-size: 14px; letter-spacing: .01em; }
.callout { border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius); padding: 20px 22px; margin: 20px 0; }
.callout p { font-size: 14.5px; }

.ph {
  font-family: var(--mono); font-size: .88em;
  color: #ffd27a; background: rgba(255, 210, 122, .08);
  border: 1px dashed rgba(255, 210, 122, .45);
  padding: 1px 6px; border-radius: 6px;
}

/* support */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 64px 0 0; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.card {
  border: 1px solid var(--border); background: var(--surface);
  border-radius: var(--radius); padding: 28px;
  transition: border-color .2s, transform .2s;
}
a.card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.card .label { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.card .value { font-family: var(--display); font-size: 18px; margin-top: 10px; overflow-wrap: break-word; }
.card .value.email { font-size: clamp(14px, 1.25vw, 18px); }
.card p { color: var(--muted); font-size: 14px; margin-top: 8px; }

.faq { border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 22px 0; font-family: var(--display); font-size: 17px; font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--muted); font-size: 20px; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .answer { padding: 0 0 24px; max-width: 720px; }

/* form */
.form { display: grid; gap: 14px; }
.form label { font-size: 13px; color: var(--muted); display: grid; gap: 8px; }
.form input, .form select, .form textarea {
  font: inherit; font-size: 15px; color: var(--text);
  background: var(--bg-2); border: 1px solid var(--border-strong);
  border-radius: 10px; padding: 12px 14px; width: 100%;
  transition: border-color .2s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: #fff; }
.form textarea { min-height: 140px; resize: vertical; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .form .row { grid-template-columns: 1fr; } }
.form button { justify-self: start; cursor: pointer; font-family: inherit; }
.form-note { font-size: 13px; color: var(--muted); }
.form-status { font-size: 14px; color: var(--muted); min-height: 1.4em; }
.form-status[data-kind="ok"] { color: var(--text); }
.form-status[data-kind="error"] { color: #ff9a9a; }
.form button:disabled { opacity: .6; cursor: default; transform: none; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 56px 0 40px; }
main > .section:last-child { padding-bottom: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); font-weight: 400; margin-bottom: 16px; }
.footer-grid ul { list-style: none; display: grid; gap: 10px; }
.footer-grid a, .footer-grid li { font-size: 14px; color: #b9b7c6; }
.footer-grid a:hover { color: var(--text); }
.footer-about p { color: var(--muted); font-size: 14px; margin-top: 16px; max-width: 300px; }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--border);
  font-size: 12.5px; color: var(--muted);
}
.footer-bottom .mono { font-family: var(--mono); letter-spacing: .08em; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}