/* Crypto Confidence — landing page styles
   Build: 2026-05-03 v1
   Mobile-first. No frameworks. System fonts.
*/

:root {
  --navy-900: #0d1b3d;
  --navy-700: #1f2f5b;
  --navy-500: #475a8a;
  --slate-300: #c8cfdc;
  --gold-500: #c9a961;
  --gold-700: #a78649;
  --cream-50: #fcfaf6;
  --white: #ffffff;
  --ink-900: #0c0f1a;
  --ink-700: #2c3142;
  --ink-500: #5b6378;
  --line: #e7e3da;
  --shadow-sm: 0 1px 2px rgba(13, 27, 61, 0.06);
  --shadow-md: 0 4px 14px rgba(13, 27, 61, 0.08);
  --shadow-lg: 0 18px 40px rgba(13, 27, 61, 0.16);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --max-w: 1180px;
  --serif: "Iowan Old Style", "Apple Garamond", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-900);
  background: var(--cream-50);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy-700); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--navy-900); }

.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }

/* ========== HEADER ========== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(252, 250, 246, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; gap: 16px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--navy-900);
  font-family: var(--serif); font-weight: 600; font-size: 18px;
  letter-spacing: 0.01em;
}
.brand-mark {
  width: 28px; height: 28px; flex-shrink: 0;
  background:
    linear-gradient(135deg, transparent 35%, var(--navy-700) 35% 65%, transparent 65%) 0 0/100% 100% no-repeat,
    linear-gradient(45deg, transparent 35%, var(--gold-500) 35% 65%, transparent 65%) 0 0/100% 100% no-repeat;
  border: 2px solid var(--navy-700); border-radius: 4px;
}
.site-nav { display: none; gap: 22px; }
.site-nav a { text-decoration: none; color: var(--ink-700); font-size: 15px; }
.site-nav a:hover { color: var(--navy-900); }

@media (min-width: 720px) {
  .site-nav { display: inline-flex; }
}

/* ========== HERO ========== */
.hero {
  padding: 48px 0 56px;
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(201, 169, 97, 0.10), transparent 60%),
    radial-gradient(700px 400px at 100% 0%, rgba(71, 90, 138, 0.10), transparent 60%),
    var(--cream-50);
}
.hero-inner {
  display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-700);
  margin: 0 0 14px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  color: var(--navy-900);
}
.lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-700);
  margin: 0 0 28px;
  max-width: 56ch;
}
.cta-row {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-bottom: 18px;
}
.hero-fineprint {
  font-size: 13px; color: var(--ink-500); margin: 0; max-width: 56ch;
}
.hero-fineprint a { color: var(--ink-500); }

.hero-art img {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 880px) {
  .hero { padding: 80px 0 96px; }
  .hero-inner { grid-template-columns: 1.1fr 1fr; gap: 56px; }
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex; flex-direction: column; align-items: flex-start;
  padding: 14px 22px;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease;
  line-height: 1.2;
}
.btn:focus-visible {
  outline: 3px solid var(--gold-500);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--navy-900);
  color: var(--white);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background: var(--navy-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}
.btn-secondary {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--navy-900);
  align-items: center; flex-direction: row;
}
.btn-secondary:hover {
  background: var(--navy-900);
  color: var(--white);
}
.btn-large { padding: 18px 28px; font-size: 18px; }
.btn-meta {
  display: block;
  font-size: 12px;
  font-weight: 400;
  opacity: 0.78;
  margin-top: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ========== VALUE GRID ========== */
.value {
  padding: 64px 0;
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.value h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 36px);
  color: var(--navy-900);
  margin: 0 0 8px;
}
.section-lede {
  font-size: 17px;
  color: var(--ink-700);
  margin: 0 0 36px;
  max-width: 60ch;
}
.value-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.value-grid li {
  background: var(--cream-50);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  transition: transform 150ms ease, box-shadow 150ms ease;
}
.value-grid li:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.value-grid h3 {
  font-family: var(--serif);
  font-size: 19px;
  margin: 0 0 8px;
  color: var(--navy-900);
}
.value-grid p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-700);
  line-height: 1.55;
}
@media (min-width: 720px) {
  .value-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (min-width: 1024px) {
  .value-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ========== CTA BOTTOM ========== */
.cta-bottom {
  padding: 72px 0;
  background:
    linear-gradient(180deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: var(--white);
  text-align: center;
}
.cta-bottom-inner { max-width: 720px; margin: 0 auto; }
.cta-bottom h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 38px);
  margin: 0 0 10px;
  color: var(--white);
}
.cta-bottom p {
  font-size: 17px;
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.78);
}
.cta-bottom .btn-primary {
  background: var(--gold-500);
  color: var(--navy-900);
}
.cta-bottom .btn-primary:hover {
  background: var(--gold-700);
  color: var(--white);
}

/* ========== DISCLAIMER ========== */
.disclaimer {
  padding: 56px 0;
  background: var(--cream-50);
  border-top: 1px solid var(--line);
}
.disclaimer h2 {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--navy-900);
  margin: 0 0 14px;
}
.disclaimer p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-500);
  margin: 0 0 12px;
  max-width: 78ch;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.78);
  padding: 56px 0 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.footer-name {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--white);
  margin: 0 0 4px;
}
.footer-tag { margin: 0 0 12px; font-size: 14px; }
.footer-email a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: 14px;
}
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-nav a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  font-size: 14px;
}
.footer-nav a:hover { color: var(--white); text-decoration: underline; }
.footer-published {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin: 16px 0 0;
}
@media (min-width: 720px) {
  .footer-inner {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }
  .footer-nav { justify-content: flex-end; }
  .footer-published { grid-column: 1 / -1; }
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========== LEGAL/POLICY PAGES ========== */
.legal {
  padding: 64px 0;
  max-width: 760px;
  margin: 0 auto;
}
.legal h1 {
  font-family: var(--serif);
  font-size: clamp(30px, 4.5vw, 42px);
  color: var(--navy-900);
  margin: 0 0 12px;
}
.legal h2 {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--navy-900);
  margin: 32px 0 10px;
}
.legal p, .legal li {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-700);
}
.legal ul { padding-left: 22px; }
.legal .meta { color: var(--ink-500); font-size: 14px; margin-bottom: 24px; }