/* Terrapin Truck GPS: marketing site.
   Concept: the app's night-driving instrument panel. Sign amber on asphalt, a dashed road line as the section divider, hexagon cells from the shell mark as bullets.
   No inline styles anywhere (CSP style-src 'self'), no third-party fonts or scripts. */

@font-face { font-family: "Barlow"; font-weight: 400; font-style: normal; font-display: swap; src: url("/assets/fonts/barlow-400.woff2") format("woff2"); }
@font-face { font-family: "Barlow"; font-weight: 600; font-style: normal; font-display: swap; src: url("/assets/fonts/barlow-600.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 600; font-style: normal; font-display: swap; src: url("/assets/fonts/barlow-condensed-600.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 700; font-style: normal; font-display: swap; src: url("/assets/fonts/barlow-condensed-700.woff2") format("woff2"); }

:root {
  --asphalt: #0b0e11;
  --panel: #141a20;
  --panel-2: #1c242c;
  --line: #2a3540;
  --text: #edf1f4;
  --muted: #a3afba;
  --amber: #ffb400;
  --amber-deep: #b87f00;
  --on-amber: #1a1300;
  --go: #19b86b;
  --stop: #ff5a4d;
  --paper: #e8edf0;
  --ink: #10161c;
  --ink-muted: #4a5864;
  --display: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --radius: 18px;
  --gutter: max(20px, env(safe-area-inset-left, 0px));
  --max: 1160px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--asphalt); color: var(--text); font: 400 18px/1.6 var(--body); text-rendering: optimizeLegibility; }
img, svg { max-width: 100%; height: auto; }
a { color: var(--amber); text-underline-offset: 3px; }
a:hover { color: #ffd166; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.04; letter-spacing: 0.2px; margin: 0 0 0.5em; text-wrap: balance; text-transform: uppercase; }
h1 { font-size: clamp(2.6rem, 6.2vw, 4.9rem); }
h2 { font-size: clamp(2rem, 4.4vw, 3.2rem); }
h3 { font-size: 1.5rem; letter-spacing: 0.6px; }
p { margin: 0 0 1em; max-width: 68ch; }
ul, ol { padding-left: 1.2em; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--amber); color: var(--on-amber); padding: 10px 16px; font-weight: 600; z-index: 100; border-radius: 8px; }
.skip:focus { left: 8px; }
.wrap { width: min(100% - 2 * var(--gutter), var(--max)); margin-inline: auto; }
.eyebrow { font: 600 0.95rem/1 var(--display); letter-spacing: 3px; text-transform: uppercase; color: var(--amber); margin: 0 0 14px; }
.lede { font-size: clamp(1.15rem, 2.2vw, 1.4rem); color: var(--muted); max-width: 54ch; }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(11, 14, 17, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font: 700 1.5rem/1 var(--display); letter-spacing: 1.5px; text-transform: uppercase; }
.brand img { width: 40px; height: 40px; }
.brand small { display: block; font: 600 0.72rem/1.2 var(--display); letter-spacing: 3px; color: var(--amber); }
.nav { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.nav a { color: var(--text); text-decoration: none; font: 600 1.05rem/1 var(--display); letter-spacing: 1.5px; text-transform: uppercase; padding: 12px 12px; border-radius: 8px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--amber); }
.nav .btn { margin-left: 6px; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 10px 14px; font: 600 1rem/1 var(--display); letter-spacing: 2px; text-transform: uppercase; cursor: pointer; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; background: var(--amber); color: var(--on-amber); font: 700 1.15rem/1 var(--display); letter-spacing: 1.5px; text-transform: uppercase; text-decoration: none; padding: 16px 26px; border-radius: 999px; border: 2px solid var(--amber); cursor: pointer; transition: transform 0.15s ease, background 0.15s ease; }
.btn:hover { background: #ffc633; color: var(--on-amber); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--amber); color: var(--amber); }
.btn.sm { padding: 11px 18px; font-size: 1rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* hero */
.hero { position: relative; overflow: hidden; padding: clamp(36px, 5vw, 72px) 0 clamp(150px, 16vw, 230px); background: linear-gradient(180deg, #0b0e11 0%, #10171e 100%); }
.hero-road { position: absolute; inset: auto 0 0 0; width: 100%; height: 34%; opacity: 0.8; pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: clamp(24px, 5vw, 80px); align-items: center; }
.badge { display: inline-flex; align-items: center; gap: 10px; border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 8px 16px; font: 600 0.95rem/1 var(--display); letter-spacing: 2px; text-transform: uppercase; color: var(--muted); margin-bottom: 22px; }
.badge i { width: 10px; height: 10px; border-radius: 50%; background: var(--go); box-shadow: 0 0 0 4px rgba(25, 184, 107, 0.2); }
.hero h1 em { font-style: normal; color: var(--amber); }
.phone { width: min(100%, 320px); margin-inline: auto; filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.6)); }
.caption { text-align: center; margin: 14px 0 0; font-size: 0.85rem; color: var(--muted); }

/* sections */
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section.rounded { margin-top: -64px; background: var(--asphalt); border-radius: 48px 48px 0 0; position: relative; z-index: 2; }
.section.alt { background: var(--panel); }
.section.paper { background: var(--paper); color: var(--ink); }
.section.paper .lede, .section.paper p, .section.paper li { color: var(--ink-muted); }
.section.paper h2, .section.paper h3 { color: var(--ink); }
.section.paper a { color: #7a5200; }
.section.paper .eyebrow { color: #7a5200; }
.dash { height: 6px; background: repeating-linear-gradient(90deg, var(--amber) 0 44px, transparent 44px 88px); opacity: 0.85; }
.section-head { max-width: 760px; margin-bottom: clamp(32px, 5vw, 56px); }

/* proof strip */
.proof { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.proof div { background: var(--panel); padding: 26px 22px; }
.proof strong { display: block; font: 700 clamp(2rem, 4vw, 3rem)/1 var(--display); color: var(--amber); letter-spacing: 0.5px; }
.proof span { color: var(--muted); font-size: 0.98rem; line-height: 1.4; display: block; margin-top: 6px; }

/* cards */
.grid { display: grid; gap: 20px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; min-width: 0; }
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card .tag { display: inline-block; font: 700 0.9rem/1 var(--display); letter-spacing: 2px; text-transform: uppercase; color: var(--on-amber); background: var(--amber); padding: 6px 10px; border-radius: 6px; margin-bottom: 16px; }
.hex { width: 44px; height: 50px; margin-bottom: 18px; color: var(--amber); }
.section.paper .card { background: #fff; border-color: #cdd5db; }
.ticks { list-style: none; padding: 0; margin: 0 0 1em; }
.ticks li { position: relative; padding-left: 30px; margin-bottom: 10px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 0.45em; width: 14px; height: 16px; background: var(--amber); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }

/* steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; list-style: none; padding: 0; }
.steps li { counter-increment: step; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--amber); color: var(--on-amber); font: 700 1.5rem/1 var(--display); margin-bottom: 16px; }
.steps h3 { margin-bottom: 8px; }

/* two-column feature rows */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.panel-ui { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.row:last-child { border-bottom: 0; }
.row b { font: 700 1.8rem/1 var(--display); color: var(--amber); }
.row span { color: var(--muted); }
.warn { border: 2px solid var(--stop); background: rgba(255, 90, 77, 0.1); border-radius: 14px; padding: 16px 18px; }
.warn strong { color: var(--stop); font: 700 1.2rem/1.2 var(--display); letter-spacing: 1px; text-transform: uppercase; display: block; }

/* faq */
.faq details { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); margin-bottom: 12px; padding: 0 22px; }
.faq summary { cursor: pointer; font: 700 1.35rem/1.3 var(--display); letter-spacing: 0.6px; text-transform: uppercase; padding: 18px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--amber); font-size: 1.8rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-bottom: 18px; }

/* article pages */
.page-head { padding: clamp(48px, 7vw, 96px) 0 clamp(32px, 5vw, 56px); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #10171e, var(--asphalt)); }
.crumbs { font-size: 0.92rem; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.prose { padding: clamp(40px, 6vw, 80px) 0; }
.prose .wrap { max-width: 820px; }
.prose h2 { margin-top: 1.6em; font-size: clamp(1.8rem, 3.6vw, 2.5rem); }
.prose h3 { margin-top: 1.4em; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: 1rem; }
.prose th, .prose td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font: 700 1rem/1.2 var(--display); letter-spacing: 1.5px; text-transform: uppercase; color: var(--amber); }
.note { border: 1px solid var(--line); background: var(--panel); border-radius: 14px; padding: 16px 20px; margin: 1.4em 0; }
.note strong:first-child { color: var(--amber); }
.note p:last-child { margin-bottom: 0; }

/* footer */
.site-footer { background: #07090b; border-top: 1px solid var(--line); padding: 56px 0 32px; font-size: 0.98rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.site-footer h2 { font-size: 1.05rem; letter-spacing: 3px; color: var(--amber); margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--text); text-decoration: none; }
.site-footer a:hover { color: var(--amber); }
.legal { border-top: 1px solid var(--line); margin-top: 36px; padding-top: 22px; color: var(--muted); font-size: 0.88rem; }
.legal p { max-width: none; margin-bottom: 6px; }

.copy-wrap { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.mail { font: 600 1.3rem/1 var(--display); letter-spacing: 1px; }

@media (max-width: 960px) {
  .hero-grid, .split { grid-template-columns: 1fr; }
  .phone { margin-top: 12px; }
  .grid.three, .steps { grid-template-columns: 1fr; }
  .proof { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 17px; }
  .menu-btn { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; background: var(--asphalt); border-bottom: 1px solid var(--line); padding: 12px var(--gutter) 20px; }
  .nav.open { display: flex; }
  .nav a { padding: 16px 8px; border-bottom: 1px solid var(--line); }
  .nav .btn { margin: 14px 0 0; }
  .grid.two { grid-template-columns: 1fr; }
  .section.rounded { border-radius: 32px 32px 0 0; margin-top: -48px; }
  .foot-grid { grid-template-columns: 1fr; }
  .prose table, .prose thead, .prose tbody { display: block; overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }
@media (forced-colors: active) { .btn { border: 2px solid ButtonText; } }
@media print { .site-header, .site-footer, .hero-road { display: none; } body { background: #fff; color: #000; } }