/* =========================================
   MMV DATA — style.css
   Aesthetic: Warm Brutalist Editorial
   Palette: cream / near-black / amber
========================================= */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=IBM+Plex+Mono:wght@300;400;500&family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;1,300;1,400&display=swap');

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

/* ---- TOKENS ---- */
:root {
  --cream:    #f4f1ea;
  --cream-2:  #ece8df;
  --cream-3:  #e2ddd3;
  --ink:      #16140f;
  --ink-2:    #2e2b24;
  --ink-3:    #5a5649;
  --ink-4:    #938f85;
  --amber:    #c87f2a;
  --amber-dk: #9e6221;
  --amber-lt: #f5e6cf;
  --rule:     #ccc7bc;

  --font-serif: 'Libre Baskerville', Georgia, serif;
  --font-mono:  'IBM Plex Mono', 'Fira Code', monospace;
  --font-sans:  'IBM Plex Sans', system-ui, sans-serif;

  --ease: cubic-bezier(0.25, 0, 0, 1);
  --nav-h: 56px;
}

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- SELECTION ---- */
::selection { background: var(--amber); color: #fff; }

/* =========================================
   NAV
========================================= */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 80;
  height: var(--nav-h);
  background: var(--ink);
  display: flex;
  align-items: stretch;
  border-bottom: 2px solid var(--amber);
}

.nav-logo {
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  border-right: 1px solid rgba(255,255,255,0.1);
  text-decoration: none;
  gap: 0.5rem;
  flex-shrink: 0;
}
.nav-logo-mmv {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  color: #fff;
  letter-spacing: -0.02em;
}
.nav-logo-data {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: stretch;
  list-style: none;
  flex: 1;
}
.nav-links a {
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover,
.nav-links a.active { color: #fff; background: rgba(255,255,255,0.05); }
.nav-links a.active { border-bottom: 2px solid var(--amber); margin-bottom: -2px; }

.nav-right {
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  gap: 0.75rem;
  border-left: 1px solid rgba(255,255,255,0.1);
  margin-left: auto;
}
.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  border: 1px solid var(--amber);
  padding: 0.35rem 0.85rem;
  border-radius: 2px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.nav-cta:hover { background: var(--amber); color: #fff; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.burger span {
  display: block;
  width: 18px; height: 1.5px;
  background: rgba(255,255,255,0.7);
  transition: transform 0.25s, opacity 0.2s;
}
.burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: absolute;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--ink-2);
  border-bottom: 2px solid var(--amber);
  z-index: 79;
  flex-direction: column;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 1rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-nav a:hover { color: var(--amber); }

@media (max-width: 768px) {
  .nav-links, .nav-right { display: none; }
  .burger { display: flex; margin-left: auto; margin-right: 1rem; }
}

/* =========================================
   RULE UTILITY
========================================= */
.h-rule { width: 100%; height: 1px; background: var(--rule); }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-4);
}
.section-label-amber {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--amber);
}

/* =========================================
   BUTTONS
========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  border-radius: 2px;
  padding: 0.65rem 1.2rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  border: 1.5px solid transparent;
}
.btn-solid {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}
.btn-solid:hover { background: var(--amber); border-color: var(--amber); }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}
.btn-outline:hover { border-color: var(--ink); }

.btn-amber {
  background: var(--amber);
  color: #fff;
  border-color: var(--amber);
}
.btn-amber:hover { background: var(--amber-dk); border-color: var(--amber-dk); }

/* =========================================
   SCROLL REVEAL
========================================= */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  transition-delay: var(--d, 0s);
}
.reveal.visible { opacity: 1; transform: none; }

/* =========================================
   FOOTER
========================================= */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.5);
  border-top: 2px solid var(--amber);
  padding: 3rem 2rem 2rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}
.footer-brand .f-logo {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 500;
  color: #fff;
  display: block;
  margin-bottom: 0.6rem;
}
.footer-brand .f-logo span { color: var(--amber); }
.footer-brand p {
  font-size: 0.84rem;
  line-height: 1.6;
  max-width: 220px;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 1rem;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  margin-bottom: 0.45rem;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--amber); }
.footer-base {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.25);
  text-transform: uppercase;
}