/* OffTrail — site styles.
   Layout: a single column of full-width bands over a slow topographic canvas;
   content sits in a 1120px measure, phone-first.
   Dark-first (the app is dark); a light theme follows the viewer's setting. */

:root {
  --bg: #0B1220;          /* app backdrop */
  --bg-2: #111A2B;        /* raised band */
  --surface: #16213A;     /* card */
  --line: #253352;        /* hairlines */
  --fg: #EEF2FA;
  --fg-2: #9AA6C0;
  --fg-3: #5F6B85;
  --accent: #DF500A;      /* logo orange */
  --accent-ink: #FFFFFF;
  --accent-soft: rgba(223, 80, 10, 0.14);
  --good: #10B981;
  --info: #3B82F6;
  --topo: rgba(223, 80, 10, 0.12);

  --display: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  --measure: 1120px;
  --radius: 18px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #F7F4EE; --bg-2: #EFEAE0; --surface: #FFFFFF; --line: #DDD6C8;
    --fg: #15181F; --fg-2: #4E5566; --fg-3: #7A8194;
    --accent: #C9460A; --accent-soft: rgba(201, 70, 10, 0.12); --topo: rgba(201, 70, 10, 0.16);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #F7F4EE; --bg-2: #EFEAE0; --surface: #FFFFFF; --line: #DDD6C8;
  --fg: #15181F; --fg-2: #4E5566; --fg-3: #7A8194;
  --accent: #C9460A; --accent-soft: rgba(201, 70, 10, 0.12); --topo: rgba(201, 70, 10, 0.16);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); line-height: 1.02; margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
h1 { font-size: clamp(44px, 8vw, 92px); font-weight: 800; }
h2 { font-size: clamp(32px, 5vw, 56px); font-weight: 700; }
h3 { font-size: 24px; font-weight: 700; }
p { margin: 0; }
.muted { color: var(--fg-2); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.eyebrow {
  font-family: var(--display); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.14em; font-size: 14px; color: var(--accent);
}

/* Topo canvas sits behind everything */
#topo { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.page { position: relative; z-index: 1; }

/* Bands and measure */
.band { padding-block: clamp(56px, 9vw, 120px); }
.band.raised { background: color-mix(in srgb, var(--bg-2) 82%, transparent); border-block: 1px solid var(--line); }
.wrap {
  max-width: var(--measure); margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* Nav */
.nav {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-weight: 800; font-size: 24px; letter-spacing: 0.01em; }
.brand img { width: 34px; height: 34px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; font-size: 15px; }
.nav-links a { text-decoration: none; color: var(--fg-2); }
.nav-links a:hover { color: var(--fg); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  font-family: var(--display); font-weight: 700; font-size: 18px; letter-spacing: 0.02em;
  padding: 12px 20px; border-radius: 999px; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--line); color: var(--fg); background: color-mix(in srgb, var(--surface) 60%, transparent); }
.btn-ghost:hover { border-color: var(--fg-3); }
.btn:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Hero */
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero-copy { display: grid; gap: 22px; }
.hero-copy p.lead { font-size: 21px; max-width: 34ch; color: var(--fg-2); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { font-size: 14px; color: var(--fg-3); }
.phone { justify-self: center; width: min(320px, 80vw); position: relative; }
.phone img { border-radius: 40px; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0,0,0,0.45); }
.phone::after {
  content: ""; position: absolute; inset: -14% -20% auto; height: 60%;
  background: radial-gradient(closest-side, var(--accent-soft), transparent 70%); z-index: -1;
}
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } .phone { margin-top: 12px; } }

/* Feature grid */
.grid { display: grid; gap: 18px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.card {
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  display: grid; gap: 10px; align-content: start; min-width: 0;
}
.card .ic {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-family: var(--mono); font-weight: 700;
}
.card p { color: var(--fg-2); font-size: 16px; }
.section-head { display: grid; gap: 12px; max-width: 60ch; margin-bottom: 40px; }
.section-head p { color: var(--fg-2); font-size: 19px; }

/* Data strip: real units from the methodology */
.strip { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
@media (max-width: 760px) { .strip { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.stat { border-left: 2px solid var(--accent); padding-left: 16px; display: grid; gap: 4px; }
.stat .n { font-family: var(--display); font-weight: 800; font-size: 44px; line-height: 1; font-variant-numeric: tabular-nums; }
.stat .l { color: var(--fg-2); font-size: 15px; }

/* Two-up (screens + copy) */
.twoup { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.twoup.flip > :first-child { order: 2; }
@media (max-width: 860px) { .twoup { grid-template-columns: 1fr; } .twoup.flip > :first-child { order: 0; } }
.shots { display: flex; gap: 16px; justify-content: center; }
.shots img { width: min(240px, 42vw); border-radius: 28px; border: 1px solid var(--line); box-shadow: 0 20px 50px rgba(0,0,0,0.35); }
.shots img:nth-child(2) { transform: translateY(28px); }
.copy { display: grid; gap: 14px; }
.copy ul { margin: 6px 0 0; padding-left: 18px; color: var(--fg-2); display: grid; gap: 6px; }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
@media (max-width: 860px) { .plans { grid-template-columns: 1fr; } }
.plan { position: relative; }
.plan.featured { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.plan .price { font-family: var(--display); font-weight: 800; font-size: 48px; line-height: 1; }
.plan .price small { font-size: 18px; font-weight: 600; color: var(--fg-2); }
.plan ul { margin: 8px 0 0; padding-left: 18px; color: var(--fg-2); display: grid; gap: 6px; font-size: 16px; }
.tag { position: absolute; top: -12px; right: 18px; background: var(--accent); color: var(--accent-ink); font-family: var(--display); font-weight: 700; font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding-block: 40px; font-size: 15px; color: var(--fg-2); }
.footer .wrap { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: center; }
.footer a { color: var(--fg-2); text-decoration: none; }
.footer a:hover { color: var(--fg); }
.footer .spacer { flex: 1; }

/* Prose pages (privacy, terms, support) */
.prose { max-width: 70ch; display: grid; gap: 18px; }
.prose h1 { font-size: clamp(40px, 6vw, 64px); }
.prose h2 { font-size: 28px; margin-top: 18px; }
.prose h3 { font-size: 20px; margin-top: 8px; }
.prose p, .prose li { color: var(--fg-2); }
.prose ul { padding-left: 20px; display: grid; gap: 6px; margin: 0; }
.prose .updated { color: var(--fg-3); font-size: 14px; }
.prose code { font-family: var(--mono); font-size: 0.92em; background: var(--accent-soft); padding: 1px 6px; border-radius: 6px; color: var(--fg); }
.faq details { border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; background: color-mix(in srgb, var(--surface) 92%, transparent); }
.faq summary { cursor: pointer; font-weight: 600; color: var(--fg); font-size: 17px; }
.faq details p { margin-top: 10px; }
.faq { display: grid; gap: 10px; }
.contact { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.contact .addr { font-family: var(--mono); background: var(--accent-soft); padding: 8px 12px; border-radius: 10px; user-select: all; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } #topo { display: none; } }