/* ============================================
   MEMORYINTELLIGENCE.IO — DESIGN SYSTEM
   Read DESIGN.md before editing this file.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Knewave&family=Martian+Mono:wght@400;500&family=Inter:wght@400;500&display=swap');

:root {
  /* Colors */
  --lime:       #DEFF63;
  --black:      #0A0A0A;
  --white:      #FFFFFF;
  --red:        #E85555;
  --slate:      #49556D;
  --blue:       #668DED;
  --orange:     #EF9540;
  --muted:      rgba(10,10,10,0.4);
  --muted-lite: rgba(10,10,10,0.12);

  /* Fonts */
  --font-display: 'Knewave', cursive;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'Martian Mono', monospace;

  /* Spacing / Effects */
  --shadow: 6px 6px 0px rgba(10,10,10,0.08);
  --radius: 0px;
}

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-style: normal !important;
}

body {
  font-family: var(--font-body);
  background: var(--lime);
  color: var(--black);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-style: normal;
  color: var(--black);
  line-height: 1.1;
}

p, li, td, th, label, input, button, a {
  font-family: var(--font-body);
  font-style: normal;
}

.mono, .tag, .label, .eyebrow, .hash, .receipt, time {
  font-family: var(--font-mono);
  font-style: normal;
}

/* ── Navigation ── */
.site-nav {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--lime);
  border-bottom: 2px solid var(--black);
  padding: 0 32px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav .wordmark {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--black);
  text-decoration: none;
  margin-right: 40px;
  font-style: normal;
  white-space: nowrap;
}

.site-nav a.nav-link {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: rgba(10,10,10,0.45);
  text-decoration: none;
  padding: 6px 14px;
  border-right: 1px solid rgba(10,10,10,0.1);
  transition: color 0.1s, background 0.1s;
  height: 56px;
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.site-nav a.nav-link:first-of-type {
  border-left: 1px solid rgba(10,10,10,0.1);
}

.site-nav a.nav-link:hover {
  color: var(--black);
  background: rgba(10,10,10,0.05);
}

.site-nav a.nav-link.active {
  color: var(--black);
  background: rgba(10,10,10,0.07);
  font-weight: 500;
}

.site-nav .nav-cta {
  margin-left: auto;
  background: var(--black);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 10px 18px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow);
  font-style: normal;
  white-space: nowrap;
  height: 36px;
  display: flex;
  align-items: center;
}

.site-nav .nav-cta:hover {
  background: var(--slate);
}

/* ── Buttons ── */
.btn-primary {
  background: var(--black);
  color: var(--lime);
  font-family: var(--font-display);
  font-size: 16px;
  padding: 14px 28px;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow);
  text-decoration: none;
  display: inline-block;
  font-style: normal;
}

.btn-primary:hover {
  background: var(--lime);
  color: var(--black);
  outline: 2px solid var(--black);
}

.btn-secondary {
  background: transparent;
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 12px 24px;
  border: 2px solid var(--black);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-style: normal;
}

.btn-secondary:hover {
  background: var(--black);
  color: var(--lime);
}

/* ── Cards ── */
.card {
  background: var(--white);
  border: 1px solid rgba(10,10,10,0.12);
  box-shadow: var(--shadow);
  padding: 24px;
  border-radius: 0;
}

/* ── Stats ── */
.stat-card {
  background: var(--red);
  color: var(--white);
  padding: 20px 24px;
  border-radius: 0;
}

.stat-card .number {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--white);
  font-style: normal;
  line-height: 1;
}

.stat-card .stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

/* ── Tags / Pills ── */
.tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border: 1px solid rgba(10,10,10,0.2);
  display: inline-block;
  border-radius: 0;
}

/* ── Footer ── */
.site-footer {
  background: var(--black);
  padding: 20px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.site-footer .footer-left {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
}

.site-footer .footer-right {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.6);
}

/* ── Verified receipt badge ── */
.receipt-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  background: var(--lime);
  color: var(--black);
  padding: 3px 8px;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ── Section spacing ── */
.section {
  padding: 80px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--black);
  font-style: normal;
  margin-bottom: 16px;
  line-height: 1.1;
}

.section-body {
  font-family: var(--font-body);
  font-size: 16px;
  color: rgba(10,10,10,0.7);
  max-width: 560px;
  line-height: 1.7;
}