/* =========================================================
   Gold Star Mountain — app.css
   Dark alpine editorial theme. Fixed left rail navigation.
   Fraunces (display serif) + Public Sans (body).
   ========================================================= */

:root {
  /* Ink / navy scale */
  --ink:        #0d1b2a;
  --ink-2:      #112740;
  --ink-3:      #0a1521;
  --ink-line:   rgba(212, 175, 55, 0.18);

  /* Gold scale */
  --gold:       #d4af37;
  --gold-2:     #ecc964;
  --gold-deep:  #b8901f;

  /* Paper / cream scale */
  --paper:      #fbf9f4;
  --cream:      #f4efe4;
  --cream-2:    #eae0cd;

  /* Text */
  --on-paper:   #1b2331;
  --on-paper-mut: #5d6675;
  --on-ink:     #eef2f7;
  --on-ink-mut: #9db0c6;

  --rail-w: 268px;
  --maxw: 1080px;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --shadow: 0 18px 50px -22px rgba(8, 18, 32, 0.45);
  --radius: 4px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--on-paper);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.12; margin: 0; letter-spacing: -0.01em; }

a { color: inherit; }

img { max-width: 100%; display: block; }

/* ---------- Layout shell ---------- */
.shell { min-height: 100vh; }

.content {
  margin-left: var(--rail-w);
  min-height: 100vh;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* ---------- Left rail ---------- */
.rail {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--rail-w);
  background: var(--ink);
  color: var(--on-ink);
  border-right: 1px solid var(--ink-line);
  display: flex;
  flex-direction: column;
  padding: 30px 26px;
  z-index: 50;
}

.rail::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 4px;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold-2), var(--gold-deep));
}

.brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--on-ink);
}
.brand .logo { width: 42px; height: 42px; flex: 0 0 auto; }
.brand .words { display: flex; flex-direction: column; line-height: 1.05; }
.brand .words .t { font-family: var(--serif); font-weight: 600; font-size: 1.18rem; }
.brand .words .t b { color: var(--gold-2); font-weight: 600; }
.brand .words .s { font-family: var(--sans); font-size: 0.62rem; letter-spacing: 0.28em; text-transform: uppercase; color: var(--on-ink-mut); margin-top: 3px; }

.rail-nav { margin-top: 42px; display: flex; flex-direction: column; gap: 2px; }
.rail-nav a {
  text-decoration: none; color: var(--on-ink-mut);
  font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600;
  padding: 11px 12px; border-radius: var(--radius);
  display: flex; align-items: center; gap: 11px;
  transition: color .15s, background .15s;
}
.rail-nav a .num { font-family: var(--serif); color: var(--gold); font-size: 0.78rem; opacity: 0.8; }
.rail-nav a:hover { color: var(--on-ink); background: var(--ink-2); }

.rail-cta { margin-top: auto; padding-top: 28px; }
.rail-cta .note { font-size: 0.74rem; color: var(--on-ink-mut); margin: 14px 2px 0; line-height: 1.5; }

.rail-foot { margin-top: 22px; font-size: 0.7rem; color: var(--on-ink-mut); border-top: 1px solid var(--ink-line); padding-top: 16px; }
.rail-foot a { color: var(--on-ink-mut); }
.rail-foot a:hover { color: var(--gold-2); }

/* ---------- Mobile topbar + drawer (hidden on desktop) ---------- */
.topbar { display: none; }
.drawer { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans); font-weight: 700; font-size: 0.86rem;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 13px 22px; border-radius: var(--radius);
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform .12s, background .15s, color .15s, box-shadow .15s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-gold { background: var(--gold); color: var(--ink-3); border-color: var(--gold-deep); }
.btn-gold:hover { background: var(--gold-2); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 28px; font-size: 0.92rem; }
.btn-outline { background: transparent; color: var(--gold-2); border-color: var(--gold); }
.btn-outline:hover { background: var(--gold); color: var(--ink-3); }
.btn-ink { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.btn-ink:hover { background: var(--ink-2); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(120% 90% at 70% -10%, #16314f 0%, var(--ink) 48%, var(--ink-3) 100%);
  color: var(--on-ink);
  padding: 88px 0 0;
}
.hero .wrap { position: relative; z-index: 3; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.72rem; letter-spacing: 0.26em; text-transform: uppercase; font-weight: 700;
  color: var(--gold-2);
}
.eyebrow .star { color: var(--gold); }
.hero h1 {
  font-size: clamp(2.5rem, 5.6vw, 4.3rem);
  margin: 22px 0 0; max-width: 16ch;
}
.hero h1 .accent { color: var(--gold-2); font-style: italic; }
.hero .lead { font-size: 1.18rem; color: var(--on-ink-mut); max-width: 54ch; margin: 22px 0 0; }

.hero-signup {
  margin: 34px 0 0; display: flex; gap: 10px; flex-wrap: wrap; max-width: 560px;
}
.hero-signup input {
  flex: 1 1 240px; min-width: 0;
  background: rgba(255,255,255,0.06); border: 1px solid var(--ink-line);
  color: var(--on-ink); border-radius: var(--radius);
  padding: 15px 16px; font-family: var(--sans); font-size: 1rem;
}
.hero-signup input::placeholder { color: var(--on-ink-mut); }
.hero-signup input:focus { outline: none; border-color: var(--gold); background: rgba(255,255,255,0.1); }
.hero-consent { display: flex; gap: 9px; align-items: flex-start; font-size: 0.8rem; color: var(--on-ink-mut); margin: 14px 0 0; max-width: 520px; }
.hero-consent input { margin-top: 3px; accent-color: var(--gold); flex: 0 0 auto; }
.hero-consent a { color: var(--gold-2); }
.hero-trust { display: flex; gap: 22px; flex-wrap: wrap; margin: 20px 0 0; font-size: 0.84rem; color: var(--on-ink-mut); }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust .star { color: var(--gold); }

.hero-range { position: relative; z-index: 2; margin-top: 54px; line-height: 0; }
.hero-range svg { width: 100%; height: auto; display: block; }

/* ---------- Section scaffolding ---------- */
.section { padding: 84px 0; }
.section.on-paper { background: var(--paper); color: var(--on-paper); }
.section.on-cream { background: var(--cream); color: var(--on-paper); }
.section.on-ink { background: var(--ink); color: var(--on-ink); }

.kicker {
  display: inline-block; font-size: 0.72rem; letter-spacing: 0.26em; text-transform: uppercase;
  font-weight: 700; color: var(--gold-deep); margin-bottom: 14px;
}
.section.on-ink .kicker { color: var(--gold-2); }
.head { max-width: 640px; margin-bottom: 46px; }
.head h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
.head p { color: var(--on-paper-mut); font-size: 1.1rem; margin: 14px 0 0; }
.section.on-ink .head p { color: var(--on-ink-mut); }
.head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Terrain (topics) ---------- */
.terrain { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--cream-2); }
.terrain .row {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 6px; border-bottom: 1px solid var(--cream-2);
}
.terrain .row .ix { font-family: var(--serif); color: var(--gold-deep); font-size: 0.95rem; width: 30px; }
.terrain .row .nm { font-weight: 600; }
.terrain .row .ds { color: var(--on-paper-mut); font-size: 0.9rem; margin-left: auto; text-align: right; }

/* ---------- Ledger (article list) ---------- */
.ledger { border-top: 2px solid var(--ink); }
.ledger .item {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 26px; align-items: baseline;
  padding: 28px 8px; border-bottom: 1px solid var(--cream-2);
  text-decoration: none; color: inherit; transition: background .15s;
}
.section.on-ink .ledger { border-top-color: var(--gold); }
.section.on-ink .ledger .item { border-bottom-color: var(--ink-line); }
.ledger .item:hover { background: rgba(0,0,0,0.02); }
.section.on-ink .ledger .item:hover { background: var(--ink-2); }
.ledger .ix { font-family: var(--serif); font-size: 1.7rem; color: var(--gold-deep); }
.section.on-ink .ledger .ix { color: var(--gold-2); }
.ledger .cat { font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 700; color: var(--gold-deep); }
.ledger h3 { font-size: 1.5rem; margin: 8px 0 6px; }
.ledger p { margin: 0; color: var(--on-paper-mut); font-size: 0.98rem; max-width: 60ch; }
.section.on-ink .ledger p { color: var(--on-ink-mut); }
.ledger .go { font-family: var(--serif); font-size: 1.4rem; color: var(--gold-deep); align-self: center; }
.section.on-ink .ledger .go { color: var(--gold-2); }

.center-row { text-align: center; margin-top: 44px; }

/* ---------- Providers (marketplace rows) ---------- */
.providers { display: flex; flex-direction: column; border-top: 1px solid var(--ink-line); }
.provider {
  display: grid; grid-template-columns: 150px 200px 1fr auto; gap: 28px; align-items: center;
  padding: 22px 10px; border-bottom: 1px solid var(--ink-line);
}
.provider .vert { font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 700; color: var(--gold-2); }
.provider .logo { height: 58px; width: 172px; background: #fff; border: 1px solid var(--cream-2); border-radius: 6px; display: flex; align-items: center; justify-content: center; padding: 8px 14px; }
.provider .logo img { max-height: 40px; max-width: 100%; width: auto; object-fit: contain; }
.provider .desc { color: var(--on-ink-mut); font-size: 0.95rem; }
.disclosure { color: var(--on-ink-mut); font-size: 0.8rem; margin-top: 26px; max-width: 70ch; }

/* ---------- CTA band ---------- */
.band {
  background: linear-gradient(120% 100% at 0% 0%, var(--gold) 0%, var(--gold-deep) 100%);
  color: var(--ink-3); border-radius: 8px; padding: 56px 48px; text-align: center;
}
.band h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.band p { max-width: 52ch; margin: 14px auto 26px; font-weight: 500; }

/* ---------- Magazine (guides library) ---------- */
.lead-guide {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 40px; align-items: center;
  border-bottom: 2px solid var(--ink); padding-bottom: 48px; margin-bottom: 48px;
}
.lead-guide .media { border-radius: 6px; overflow: hidden; box-shadow: var(--shadow); }
.lead-guide .cat { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 700; color: var(--gold-deep); }
.lead-guide h2 { font-size: clamp(2rem, 4vw, 3rem); margin: 12px 0 14px; }
.lead-guide p { color: var(--on-paper-mut); font-size: 1.1rem; }

.guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px 44px; }
.guide-row {
  display: grid; grid-template-columns: 132px 1fr; gap: 20px; align-items: start;
  text-decoration: none; color: inherit;
}
.guide-row .media { border-radius: 5px; overflow: hidden; background: var(--ink); aspect-ratio: 8/5; }
.guide-row .cat { font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 700; color: var(--gold-deep); }
.guide-row h3 { font-size: 1.22rem; margin: 7px 0 6px; transition: color .15s; }
.guide-row:hover h3 { color: var(--gold-deep); }
.guide-row p { margin: 0; color: var(--on-paper-mut); font-size: 0.92rem; }

/* ---------- Article (guide page) ---------- */
.guide-hero {
  background: var(--ink); color: var(--on-ink); padding: 64px 0 0;
}
.guide-hero .crumb { font-size: 0.78rem; color: var(--on-ink-mut); letter-spacing: 0.04em; }
.guide-hero .crumb a { color: var(--gold-2); text-decoration: none; }
.guide-hero .cat { display: inline-block; margin: 20px 0 0; font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 700; color: var(--gold-2); }
.guide-hero h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); margin: 12px 0 0; max-width: 22ch; }
.guide-hero .meta { color: var(--on-ink-mut); font-size: 0.9rem; margin: 18px 0 0; }
.guide-hero .banner { margin-top: 44px; line-height: 0; border-radius: 6px 6px 0 0; overflow: hidden; }

.article { max-width: 740px; margin: 0 auto; padding: 60px 32px 30px; }
.article > p, .article > h2, .article > blockquote, .article > ul { max-width: 680px; }
.article h2 { font-size: 1.6rem; margin: 38px 0 12px; }
.article p { margin: 0 0 18px; }
.article ul { margin: 0 0 18px; padding-left: 22px; }
.article li { margin: 6px 0; }
.article blockquote {
  margin: 26px 0; padding: 18px 26px; border-left: 3px solid var(--gold);
  background: var(--cream); font-family: var(--serif); font-size: 1.2rem; font-style: italic; color: var(--on-paper);
  border-radius: 0 4px 4px 0;
}

.inline-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  background: var(--ink); color: var(--on-ink); border-radius: 6px; padding: 26px 30px; margin: 34px 0;
}
.inline-cta h3 { font-size: 1.3rem; }
.inline-cta p { margin: 6px 0 0; color: var(--on-ink-mut); font-size: 0.95rem; }

/* ---------- Mini signup ---------- */
.mini {
  background: var(--cream); border: 1px solid var(--cream-2); border-radius: 8px;
  padding: 30px; margin: 44px 0;
}
.mini h3 { font-size: 1.4rem; }
.mini p { color: var(--on-paper-mut); margin: 6px 0 16px; }
.mini form { display: flex; gap: 10px; flex-wrap: wrap; }
.mini input {
  flex: 1 1 220px; min-width: 0; padding: 14px 16px; font-size: 1rem; font-family: var(--sans);
  border: 1px solid var(--cream-2); border-radius: var(--radius); background: var(--paper); color: var(--on-paper);
}
.mini input:focus { outline: none; border-color: var(--gold); }

.back-link { display: inline-block; margin-top: 14px; color: var(--gold-deep); text-decoration: none; font-weight: 600; }

/* ---------- Forms feedback ---------- */
.form-error { color: #fca5a5; font-size: 0.88rem; min-height: 1px; }
.section.on-paper .form-error, .mini .form-error { color: #b91c1c; }
.signup-state .ok { display: none; }
.signup-state.is-done .form { display: none; }
.signup-state.is-done .ok { display: block; }
.signup-state .ok .ico { font-size: 2rem; color: var(--gold-2); }
.signup-state .ok h3 { font-size: 1.5rem; margin: 8px 0 8px; }
.signup-state .ok p { color: var(--on-ink-mut); }

/* ---------- Legal ---------- */
.legal { max-width: 760px; margin: 0 auto; padding: 64px 32px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.legal h2 { font-size: 1.4rem; margin: 34px 0 10px; }
.legal .crumb { font-size: 0.82rem; color: var(--on-paper-mut); margin-bottom: 8px; }
.legal .crumb a { color: var(--gold-deep); text-decoration: none; }
.legal .meta { color: var(--on-paper-mut); font-size: 0.9rem; margin-bottom: 26px; }
.legal a { color: var(--gold-deep); }

/* ---------- Page footer ---------- */
.foot { background: var(--ink-3); color: var(--on-ink-mut); padding: 26px 0; font-size: 0.84rem; }
.foot .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
.foot a { color: var(--on-ink-mut); text-decoration: none; }
.foot a:hover { color: var(--gold-2); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  :root { --rail-w: 0px; }
  .content { margin-left: 0; }
  .rail { display: none; }

  .topbar {
    display: flex; align-items: center; justify-content: space-between;
    position: sticky; top: 0; z-index: 60;
    background: var(--ink); color: var(--on-ink); padding: 14px 20px;
    border-bottom: 1px solid var(--ink-line);
  }
  .topbar .brand .words .s { display: none; }
  .nav-toggle { background: none; border: 0; cursor: pointer; padding: 8px; display: flex; flex-direction: column; gap: 5px; }
  .nav-toggle span { width: 24px; height: 2px; background: var(--gold-2); display: block; }
  .drawer { display: none; flex-direction: column; background: var(--ink-2); border-bottom: 1px solid var(--ink-line); }
  .drawer.open { display: flex; }
  .drawer a { color: var(--on-ink); text-decoration: none; padding: 14px 22px; border-bottom: 1px solid var(--ink-line); font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600; }
  .drawer a.cta { color: var(--gold-2); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .section { padding: 60px 0; }
  .wrap { padding: 0 20px; }
  .terrain { grid-template-columns: 1fr; }
  .ledger .item { grid-template-columns: 44px 1fr; }
  .ledger .go { display: none; }
  .provider { grid-template-columns: 1fr; gap: 12px; text-align: left; }
  .provider .logo { height: 40px; }
  .lead-guide { grid-template-columns: 1fr; }
  .lead-guide .media { order: -1; }
  .guide-grid { grid-template-columns: 1fr; }
  .band { padding: 40px 24px; }
  .inline-cta { flex-direction: column; align-items: flex-start; }
}