/*
Theme Name: Road to One Bitcoin
Theme URI: https://roadtoonebitcoin.com
Author: Road to One Bitcoin
Description: Minimal, responsive Bitcoin progress theme with fixed bottom navigation and a reusable skin system.
Version: 0.1.0
Text Domain: road-to-one-bitcoin
*/

:root {
  --bg: #07131f;
  --bg-deep: #030a11;
  --panel: rgba(7, 19, 31, 0.78);
  --panel-border: rgba(144, 210, 255, 0.22);
  --text: #f4f8fb;
  --muted: #a7b7c5;
  --accent: #8bd8ff;
  --accent-strong: #e7f8ff;
  --track: rgba(255,255,255,0.14);
  --shadow: 0 22px 70px rgba(0,0,0,.42);
  --content-width: 1320px;
  --nav-height: 86px;
  --radius: 28px;
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--bg-deep);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 72% 20%, rgba(102, 186, 255, .18), transparent 26rem),
    linear-gradient(180deg, rgba(4,13,22,.18), rgba(3,10,17,.94)),
    var(--bg);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.site-shell {
  position: relative;
  min-height: 100vh;
  padding: 34px 30px calc(var(--nav-height) + 48px);
  isolation: isolate;
}

.site-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(180deg, rgba(2,8,14,.18), rgba(2,8,14,.78)),
    url("assets/images/glacier-mountain.svg") center bottom / cover no-repeat;
}

.site-shell::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(3,10,17,.78), transparent 35%, transparent 66%, rgba(3,10,17,.62)),
    radial-gradient(circle at center, transparent 32%, rgba(1,5,9,.48) 100%);
}

.site-header,
.hero {
  width: min(100%, var(--content-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  letter-spacing: .12em;
  font-weight: 700;
  text-transform: uppercase;
}

.brand-mark {
  width: 54px;
  aspect-ratio: 1;
  filter: drop-shadow(0 0 18px rgba(139,216,255,.28));
}

.brand-copy {
  display: grid;
  line-height: 1.03;
}

.brand-copy small {
  margin-top: 9px;
  color: var(--muted);
  font-size: .69rem;
  font-weight: 500;
  letter-spacing: .22em;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: rgba(4,14,23,.5);
  color: var(--muted);
  font-size: .76rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  backdrop-filter: blur(18px);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #67e8a6;
  box-shadow: 0 0 15px #67e8a6;
}

.hero {
  min-height: calc(100vh - 170px);
  display: grid;
  grid-template-columns: minmax(220px, .82fr) minmax(420px, 1.35fr) minmax(210px, .72fr);
  align-items: center;
  gap: clamp(26px, 4vw, 72px);
  padding-block: 28px 20px;
}

.hero-copy {
  align-self: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .23em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0;
  max-width: 8ch;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.8rem, 5.2vw, 5.9rem);
  font-weight: 500;
  line-height: .98;
  letter-spacing: -.045em;
}

.hero-copy p {
  max-width: 34rem;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.7;
}

.progress-card {
  display: grid;
  justify-items: center;
  text-align: center;
}

.progress-ring {
  --progress: 1.05;
  position: relative;
  width: min(46vw, 610px);
  min-width: 400px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(5,16,26,.82) 0 56%, transparent 57%),
    conic-gradient(from -90deg,
      var(--accent) calc(var(--progress) * 1%),
      var(--track) 0);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.10),
    inset 0 0 55px rgba(120,205,255,.07),
    var(--shadow);
}

.progress-ring::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: inherit;
  box-shadow: inset 0 0 45px rgba(0,0,0,.32);
}

.progress-ring::after {
  content: "";
  position: absolute;
  width: 13px;
  height: 13px;
  top: 5px;
  left: 50%;
  border-radius: 50%;
  background: var(--accent-strong);
  box-shadow: 0 0 24px var(--accent);
  transform: translateX(-50%);
}

.progress-inner {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  padding: 20px;
}

.progress-label,
.holdings-label {
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.progress-percent {
  margin: 18px 0 4px;
  font-size: clamp(5rem, 10vw, 9.5rem);
  font-weight: 300;
  line-height: .9;
  letter-spacing: -.055em;
}

.progress-percent span {
  color: var(--accent);
  font-size: .46em;
}

.progress-divider {
  width: 140px;
  height: 1px;
  margin: 24px 0;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.holdings {
  font-size: clamp(1.65rem, 3vw, 2.65rem);
  letter-spacing: .04em;
}

.holdings strong {
  color: var(--accent);
  font-weight: 500;
}

.fiat {
  margin-top: 10px;
  color: var(--muted);
  font-size: 1rem;
}

.sidebar {
  display: grid;
  gap: 14px;
}

.stat {
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.stat:last-child { border-bottom: 0; }

.stat-label {
  color: var(--muted);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.stat-value {
  margin-top: 8px;
  font-size: clamp(1.25rem, 2vw, 1.72rem);
  font-weight: 500;
}

.stat-sub {
  margin-top: 5px;
  color: var(--muted);
  font-size: .82rem;
}

.mission-note {
  grid-column: 1 / -1;
  align-self: end;
  justify-self: center;
  margin: -6px 0 8px;
  color: rgba(255,255,255,.82);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  font-style: italic;
  text-align: center;
}

.bottom-nav-wrap {
  position: fixed;
  z-index: 20;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0 28px 24px;
  pointer-events: none;
}

.bottom-nav {
  width: min(100%, var(--content-width));
  min-height: var(--nav-height);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  background: rgba(3, 12, 20, .82);
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
  backdrop-filter: blur(24px);
  pointer-events: auto;
  overflow: hidden;
}

.bottom-nav a {
  position: relative;
  min-width: 0;
  display: grid;
  place-items: center;
  gap: 6px;
  padding: 18px 10px 14px;
  color: #c8d2db;
  font-size: .76rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .2s ease, background .2s ease;
}

.bottom-nav a + a {
  border-left: 1px solid rgba(255,255,255,.09);
}

.bottom-nav a:hover,
.bottom-nav a.is-active {
  color: var(--accent-strong);
  background: linear-gradient(180deg, rgba(139,216,255,.08), transparent);
}

.bottom-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 26%;
  right: 26%;
  bottom: 0;
  height: 3px;
  border-radius: 999px 999px 0 0;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent);
}

.nav-icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-size: 1.08rem;
}

.page-content {
  width: min(100%, 960px);
  margin: 80px auto 120px;
  padding: 38px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(20px);
}

.page-content h1 { margin-top: 0; }

@media (max-width: 1060px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 54px;
  }
  .hero-copy {
    display: grid;
    justify-items: center;
  }
  .hero-copy h1 { max-width: 11ch; }
  .sidebar {
    width: min(100%, 720px);
    grid-template-columns: repeat(4, 1fr);
    margin-inline: auto;
  }
  .progress-ring {
    width: min(78vw, 580px);
    min-width: 0;
  }
}

@media (max-width: 720px) {
  :root { --nav-height: 74px; }
  .site-shell { padding: 24px 18px calc(var(--nav-height) + 36px); }
  .status-pill { display: none; }
  .brand-copy small { display: none; }
  .brand-mark { width: 44px; }
  .hero { padding-top: 42px; gap: 34px; }
  .hero-copy h1 { font-size: clamp(2.6rem, 14vw, 4.2rem); }
  .progress-ring { width: min(92vw, 520px); }
  .progress-percent { font-size: clamp(4.5rem, 22vw, 7.3rem); }
  .sidebar { grid-template-columns: repeat(2, 1fr); }
  .bottom-nav-wrap { padding: 0 10px 10px; }
  .bottom-nav { border-radius: 22px; }
  .bottom-nav a { padding-inline: 4px; font-size: .58rem; }
  .nav-icon { font-size: .95rem; }
}

@media (max-width: 460px) {
  .brand-copy { font-size: .84rem; }
  .sidebar { grid-template-columns: 1fr 1fr; }
  .stat-value { font-size: 1rem; }
  .mission-note { display: none; }
}