/* ============================================================
   coachOS — site.css  ·  shared public-island foundation
   ------------------------------------------------------------
   Loaded by the marketing, tour, and users_auth layouts (via
   layouts/_brand_head), BEFORE each page's own stylesheet. Single
   source of truth for: design tokens, self-hosted fonts, base reset,
   the centered width-constraint band, buttons, the brand mark, and
   the unified header + footer. Page-unique styling lives in
   marketing.css / tour.css.
   ============================================================ */

/* ---- Self-hosted fonts (run `bin/rails fonts:vendor`) ----
   Files live in app/assets/fonts/. Propshaft rewrites url() to the
   fingerprinted path automatically. */
@font-face{font-family:"Schibsted Grotesk";font-style:normal;font-weight:400;font-display:swap;src:url("/assets/SchibstedGrotesk-Regular-6e9507bb.woff2") format("woff2");}
@font-face{font-family:"Schibsted Grotesk";font-style:normal;font-weight:500;font-display:swap;src:url("/assets/SchibstedGrotesk-Medium-6e9507bb.woff2") format("woff2");}
@font-face{font-family:"Schibsted Grotesk";font-style:normal;font-weight:600;font-display:swap;src:url("/assets/SchibstedGrotesk-SemiBold-6e9507bb.woff2") format("woff2");}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url("/assets/Newsreader-Italic-Regular-a9778940.woff2") format("woff2");}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("/assets/IBMPlexMono-Regular-a258e185.woff2") format("woff2");}

:root{
  --gold:#C8A24C; --gold-polished:#E6C878; --gold-deep:#B0883A;
  --blued:#2A5896; --flame:#4A82C4; --rhodium:#CBD0D6; --ruby:#A23F4E;
  --shadow:#14110B; --shadow-raised:#1A150D; --ink:#1C1A12; --paper:#EFE9DC;
  --muted-dark:#B4AC9B; --muted-light:#5C5446;
  --sans:"Schibsted Grotesk", system-ui, -apple-system, sans-serif;
  --serif:"Newsreader", Georgia, serif;       /* italic only — the whisper */
  --mono:"IBM Plex Mono", ui-monospace, monospace;
  /* mobile-first spatial tokens */
  --rail:18px; --gutter:24px; --maxw:1080px; --pad-y:84px;
  /* Gap between the spine/rail and the content column (marketing) — generous on
     mobile so the section number clears the rail node; widens toward desktop. */
  --rail-gap:28px;
  /* Outer/right inset: a tight gutter on small screens, auto-centering margins
     once the viewport exceeds the comfortable band (--maxw). This is the ONE
     centered width constraint — used by both islands' chrome AND the Tour's
     content column. */
  --inset:max(var(--gutter), calc((100% - var(--maxw)) / 2));
  /* Spine x-position + rail offset — marketing's edge-spine only. */
  --spine-x:max(var(--rail), calc((100% - var(--maxw)) / 2 - var(--rail-gap)));
  --pad-x-left:calc(var(--spine-x) + var(--rail-gap));
}
@media (min-width:600px){ :root{ --gutter:40px; --rail:22px; --pad-y:96px; --rail-gap:34px; } }
@media (min-width:768px){ :root{ --gutter:72px; --rail:36px; --pad-y:108px; --rail-gap:42px; } }
@media (min-width:1024px){ :root{ --gutter:104px; --rail:54px; --pad-y:120px; --rail-gap:50px; } }

/* ---------------- base ---------------- */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;font-family:var(--sans);background:var(--shadow);color:var(--paper);
  -webkit-font-smoothing:antialiased;line-height:1.6;font-size:17px;text-rendering:optimizeLegibility;}
@media (min-width:768px){ body{font-size:18px;} }
::selection{background:var(--gold);color:var(--shadow);}
a{color:inherit;}
img,svg{display:block;max-width:100%;}
h1,h2,h3,h4{font-family:var(--sans);font-weight:500;line-height:1.06;letter-spacing:-0.02em;margin:0;}
em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--gold-polished);}

/* ---------------- bezel (shared hairline motif) ---------------- */
.bezel{height:8px;width:100%;background-image:repeating-linear-gradient(90deg,var(--gold) 0 1px,transparent 1px 8px);
  opacity:.4;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);}

/* ---------------- buttons ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--sans);
  font-weight:600;font-size:16px;min-height:48px;padding:13px 24px;border-radius:999px;text-decoration:none;
  cursor:pointer;border:1px solid transparent;transition:transform .18s ease, background .2s ease, color .2s ease, border-color .2s ease;}
.btn-primary{background:var(--gold);color:var(--shadow);}
.btn-primary:hover{transform:translateY(-2px);background:var(--gold-polished);}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor;opacity:.85;}
.btn-ghost:hover{opacity:1;transform:translateY(-2px);border-color:var(--gold);color:var(--gold);}
.btn svg{width:17px;height:17px;}

/* ---------------- brand mark + wordmark ---------------- */
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--paper);}
.brand .mark{width:26px;height:26px;}
.wordmark{font-size:21px;letter-spacing:-.035em;}
.wordmark .c{font-weight:500;} .wordmark .os{font-weight:600;}

/* ============================================================
   Unified header — one header for every public island.
   Sticky on its own here; the Tour nests it in a sticky .topstack
   (see tour.css). Content is band-aligned via --inset (symmetric).
   ============================================================ */
.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:14px var(--inset);background:rgba(20,17,11,.72);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(200,162,76,.16);}
.site-nav{display:flex;align-items:center;gap:8px;}
.site-nav__links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;
  background:rgba(16,13,8,.98);backdrop-filter:blur(14px);border-bottom:1px solid rgba(200,162,76,.18);
  padding:6px var(--gutter) 18px;box-shadow:0 24px 40px -28px rgba(0,0,0,.8);}
.site-nav__links.open{display:flex;}
.site-nav__links a{text-decoration:none;color:var(--paper);}
.site-nav__links a:not(.nav-cta){padding:15px 2px;font-size:16px;border-bottom:1px solid rgba(239,233,220,.08);opacity:.9;transition:opacity .2s,color .2s;}
.site-nav__links a:not(.nav-cta):hover{opacity:1;}
.site-nav__links a[aria-current="page"]{color:var(--gold);opacity:1;}
.nav-cta{min-height:48px !important;padding:13px 20px !important;font-size:16px !important;margin-top:16px;justify-content:center;}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:10px;
  background:transparent;border:1px solid rgba(200,162,76,.32);border-radius:11px;cursor:pointer;}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--paper);border-radius:2px;transition:transform .26s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (min-width:900px){
  .nav-toggle{display:none;}
  .site-nav__links{position:static;display:flex;flex-direction:row;align-items:center;gap:24px;
    background:none;backdrop-filter:none;border:none;padding:0;box-shadow:none;}
  .site-nav__links a:not(.nav-cta){padding:0;border-bottom:none;font-size:15px;opacity:.72;}
  .nav-cta{margin-top:0;min-height:auto !important;padding:10px 17px !important;font-size:14.5px !important;}
}
@media (min-width:880px){ .site-header{padding:16px var(--inset);} }

/* ============================================================
   Unified footer — band-aligned (--inset), with top breathing room
   so its content clears the section-divider hairline.
   ============================================================ */
.site-footer{background:var(--shadow);color:var(--muted-dark);padding:40px var(--inset) 48px;border-top:1px solid rgba(200,162,76,.18);}
.site-footer .bezel{margin:0 0 40px;width:auto;}
.site-footer .frow{display:flex;flex-direction:column;gap:20px;}
.site-footer .brand{color:var(--paper);}
.site-footer .flinks{display:flex;flex-wrap:wrap;gap:18px;}
.site-footer .flinks a{color:var(--muted-dark);text-decoration:none;font-size:14.5px;transition:color .2s;}
.site-footer .flinks a:hover{color:var(--paper);}
.site-footer small{display:block;margin-top:22px;font-size:13px;color:var(--muted-dark);opacity:.8;}
@media (min-width:760px){ .site-footer .frow{flex-direction:row;justify-content:space-between;align-items:center;}
  .site-footer .flinks a{margin-left:22px;} }

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