/* ThornRock home. Iron, charcoal, and one bronze accent. Few words, heavy type. */
:root { --bg: #0E0F11; --panel: #17191C; --line: #2B2F35; --text: #E6E9ED; --muted: #A3AAB4; --steel: #8A939F; --bronze: #C89148; --bronze-fill: #B88440;
  --display: "Archivo", "Arial Black", Arial, sans-serif; --body: "Inter", system-ui, -apple-system, "Segoe UI", Arial, sans-serif; --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace; color-scheme: dark; }
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--body); font-size: 17px; line-height: 1.55; }
svg { max-width: 100%; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 900; text-transform: uppercase; line-height: 1.02; text-wrap: balance; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.label { font-family: var(--mono); font-size: .76rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--bronze); }
.skip { position: absolute; left: -9999px; top: 0; background: var(--bronze-fill); color: #111; padding: 10px 14px; font-weight: 700; z-index: 100; }
.skip:focus { left: 12px; top: 12px; }
:focus-visible { outline: 3px solid var(--text); outline-offset: 3px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 24px; border-radius: 3px; border: 2px solid transparent; font: 700 1rem var(--body); text-decoration: none; cursor: pointer; transition: transform .15s ease, border-color .15s ease, background .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-bronze { background: var(--bronze-fill); color: #101113; }
.btn-bronze:hover { background: #CB9549; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--text); }
.btn-sm { min-height: 44px; padding: 0 16px; font-size: .92rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(14, 15, 17, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(6px); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand .mk { width: 34px; height: 34px; flex: none; }
.brand .word { width: 150px; height: auto; display: block; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a:not(.btn) { color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem; padding: 12px 0; }
.site-nav a:not(.btn):hover { color: var(--bronze); }
.nav-toggle { display: none; width: 48px; height: 48px; background: transparent; border: 1px solid var(--line); border-radius: 3px; cursor: pointer; padding: 0; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); }

.hero { background: radial-gradient(ellipse at 50% 30%, #2C3138 0%, #17191D 48%, #0B0C0E 100%); border-bottom: 1px solid var(--line); padding-block: clamp(48px, 8vw, 92px); text-align: center; }
.hero .wrap { display: flex; flex-direction: column; align-items: center; gap: 26px; }
.lockup { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.lockup .mk { width: min(230px, 46vw); height: auto; filter: drop-shadow(0 18px 24px rgba(0,0,0,.6)); }
.lockup .word { width: min(460px, 84vw); height: auto; filter: drop-shadow(0 8px 12px rgba(0,0,0,.5)); }
.hero h1 { font-size: clamp(1.9rem, 5.4vw, 3.6rem); letter-spacing: .01em; }
.hero h1 span { color: var(--bronze); }
.promise { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--muted); font-weight: 600; }

.section { padding-block: clamp(56px, 8vw, 100px); }
.section + .section { border-top: 1px solid var(--line); }
.head { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; margin-bottom: 40px; }
h2 { font-size: clamp(1.7rem, 4.2vw, 2.9rem); }

.duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-top: 5px solid var(--bronze-fill); border-radius: 3px; padding: clamp(24px, 4vw, 40px); display: flex; flex-direction: column; gap: 14px; }
.card svg.ic { width: 64px; height: 64px; fill: none; stroke: var(--bronze); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
.card p { font-size: 1.15rem; color: var(--muted); }
.col { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.col h2 { text-align: center; }
.col .card { align-items: center; text-align: center; flex: 1; }
.head:has(> .label:only-child) { margin-bottom: 26px; }
.both { margin-top: 22px; text-align: center; font-family: var(--display); font-weight: 800; font-size: 1.15rem; letter-spacing: .06em; text-transform: uppercase; color: var(--steel); }

.scale { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: end; gap: 18px; border-bottom: 4px solid var(--bronze-fill); padding-bottom: 0; }
.stop { display: flex; flex-direction: column; align-items: center; }
.stop .mk { height: auto; display: block; filter: drop-shadow(0 10px 14px rgba(0,0,0,.5)); }
.stop.s1 .mk { width: min(84px, 20vw); } .stop.s2 .mk { width: min(150px, 28vw); } .stop.s3 .mk { width: min(250px, 34vw); }
.scale-labels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 18px; text-align: center; }
.scale-labels b { display: block; font-family: var(--display); font-weight: 900; font-size: clamp(.95rem, 2.2vw, 1.35rem); text-transform: uppercase; }
.scale-labels span { color: var(--muted); font-size: .95rem; }

.feature { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: 32px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 3px; padding: clamp(24px, 4vw, 44px); }
.feature h3 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin: 8px 0 10px; }
.feature p { color: var(--muted); font-size: 1.1rem; margin-bottom: 22px; }
.feature .art { justify-self: center; width: min(220px, 60vw); fill: none; stroke-linecap: round; stroke-linejoin: round; }
.art .ln { stroke: var(--steel); stroke-width: 3; opacity: .7; } .art .ring { stroke: var(--bronze); stroke-width: 3; stroke-dasharray: 10 8; } .art .srv { stroke: var(--text); stroke-width: 2.5; fill: #1E2126; } .art .led { fill: var(--bronze); }

.contact { text-align: center; }
.contact .wrap { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.contact h2 { font-size: clamp(2rem, 6vw, 4rem); }
.contact h2 span { color: var(--bronze); }
.who { font-family: var(--display); font-weight: 800; font-size: 1.4rem; text-transform: uppercase; }
.email { font-family: var(--mono); font-weight: 600; overflow-wrap: anywhere; user-select: all; color: var(--muted); }
.copied { min-height: 1.4em; font-size: .9rem; color: var(--bronze); }

.site-footer { border-top: 1px solid var(--line); padding-block: 26px; }
.foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-size: .85rem; }

@media (max-width: 860px) {
  .duo, .feature { grid-template-columns: minmax(0, 1fr); }
  .feature .art { display: none; }
  .nav-toggle { display: flex; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #0E0F11; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px; }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .site-nav .btn { margin-top: 14px; }
}
@media (max-width: 520px) { body { font-size: 16px; } .cta-row .btn { flex: 1 1 100%; } .scale, .scale-labels { gap: 8px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }