/* =====================================================
   LASEM — Design System
   Light: silver-grey  |  Dark: charcoal-black
   All colors are EXPLICIT. No surprise inheritance.
===================================================== */

/* ── LIGHT (default) ── */
:root {
  --bg:         #d8dbe0;
  --surface:    #e2e5e9;
  --card:       #eceef1;
  --card-hi:    #f4f5f7;
  --border:     #b8bcc4;
  --border-soft:#cdd0d6;

  --ink:        #0e1014;
  --body:       #1e2228;
  --muted:      #444a56;
  --faint:      #6e7480;

  --accent:     #0e1014;
  --accent-inv: #d8dbe0;
}

/* ── DARK ── */
[data-theme="dark"] {
  --bg:         #0e0f12;
  --surface:    #151618;
  --card:       #1c1e22;
  --card-hi:    #242629;
  --border:     #3a3e48;
  --border-soft:#2e3138;

  --ink:        #f0f2f5;
  --body:       #d4d8e0;
  --muted:      #a0a8b8;
  --faint:      #6a7080;

  --accent:     #f0f2f5;
  --accent-inv: #0e0f12;
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  background: var(--bg);
  color: var(--body);
  overflow-x: hidden;
  cursor: none;
  transition: background 0.35s, color 0.35s;
}

/* ── GRAIN OVERLAY ── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 9998; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='g'%3E%3CfeTurbulence baseFrequency='0.88' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  opacity: 0.028;
}

/* ── CURSOR ── */
#cur { position: fixed; width: 8px; height: 8px; border-radius: 50%;
  background: var(--ink); pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%); transition: background 0.3s; }
#cur2 { position: fixed; width: 32px; height: 32px; border-radius: 50%;
  border: 1.5px solid var(--ink); pointer-events: none; z-index: 9997;
  transform: translate(-50%,-50%); opacity: 0.45;
  transition: width 0.3s, height 0.3s, opacity 0.3s; }
#cur2.hover { width: 52px; height: 52px; opacity: 0.65; }

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 4rem;
  border-bottom: 1px solid transparent;
  transition: padding 0.35s, background 0.35s, border-color 0.35s;
}
.nav.stuck {
  padding: 1rem 4rem;
  background: var(--surface);
  border-bottom-color: var(--border);
  backdrop-filter: blur(12px);
}
.nav-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.nav-logo svg { width: 28px; height: 28px; color: var(--ink); }
.logo-name { font-family: 'Bebas Neue', sans-serif; font-size: 1.3rem; letter-spacing: 0.18em; color: var(--ink); }
.logo-sub { font-family: 'IBM Plex Mono', monospace; font-size: 0.5rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); display: block; }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a { font-family: 'IBM Plex Mono', monospace; font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); text-decoration: none; transition: color 0.2s; }
.nav-links a:hover { color: var(--ink); }
.nav-end { display: flex; align-items: center; gap: 1rem; }

/* theme pill */
.theme-pill {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); background: none; border: 1px solid var(--border-soft);
  padding: 0.4rem 1rem; cursor: pointer; transition: all 0.2s;
}
.theme-pill:hover { border-color: var(--border); color: var(--ink); }
.theme-icon { font-size: 0.8rem; }

.btn-nav {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.62rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.65rem 1.8rem; background: var(--ink); color: var(--accent-inv);
  border: none; cursor: pointer; text-decoration: none; transition: opacity 0.2s;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.btn-nav:hover { opacity: 0.75; }

/* ── BUTTONS ── */
.btn {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 1rem 2.4rem; display: inline-flex; align-items: center; gap: 0.6rem;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: all 0.25s;
}
.btn-solid { background: var(--ink); color: var(--accent-inv); border-color: var(--ink); }
.btn-solid:hover { opacity: 0.78; }
.btn-outline { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-outline:hover { border-color: var(--ink); color: var(--ink); }

/* ── LAYOUT ── */
.wrap { max-width: 1380px; margin: 0 auto; }
.section { padding: 9rem 4rem; }
.section-md { padding: 6rem 4rem; }
.section-sm { padding: 4rem 4rem; }

/* ── TYPOGRAPHY ── */
.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--faint); display: flex; align-items: center; gap: 0.8rem;
}
.eyebrow::before { content: ''; width: 20px; height: 1px; background: var(--faint); }

h1, .h1 {
  font-family: 'Playfair Display', serif;
  font-weight: 900; line-height: 0.92; letter-spacing: -0.02em; color: var(--ink);
}
h2, .h2 { font-family: 'Playfair Display', serif; font-weight: 900; line-height: 0.95; letter-spacing: -0.02em; color: var(--ink); }
h3, .h3 { font-family: 'Bebas Neue', sans-serif; letter-spacing: 0.06em; color: var(--ink); line-height: 1; }
em { font-style: italic; color: var(--muted); }

.tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.56rem; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.28rem 0.8rem; border: 1px solid var(--border-soft); color: var(--muted);
  display: inline-block;
}

/* ── DIVIDER TICKER ── */
.ticker-outer {
  overflow: hidden; background: var(--surface);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 0.8rem 0;
}
.ticker-inner { display: flex; width: max-content; animation: run 55s linear infinite; }
.ticker-inner span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--faint); padding: 0 2.2rem; white-space: nowrap;
}
.ticker-inner span.hi { color: var(--muted); }
@keyframes run { to { transform: translateX(-50%); } }

/* ── REVEAL ── */
.rv { opacity: 0; transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
.rv.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.08s; } .d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; } .d4 { transition-delay: 0.32s; }

/* ── LIVE DOT ── */
.live { display: inline-flex; align-items: center; gap: 0.45rem; }
.live-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--ink); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:0.3} 50%{opacity:1} }

/* ── CANVAS WRAPPER ── */
.canvas-box {
  background: var(--surface); border: 1px solid var(--border);
  padding: 1.5rem; position: relative; overflow: hidden;
}
.canvas-box canvas { display: block; width: 100%; }

/* ── MONO SMALL ── */
.mono { font-family: 'IBM Plex Mono', monospace; }
.mono-sm { font-family: 'IBM Plex Mono', monospace; font-size: 0.62rem; letter-spacing: 0.08em; }

/* ── STAT BOX ── */
.stat { background: var(--card); border: 1px solid var(--border-soft); padding: 2rem; }
.stat-val { font-family: 'Bebas Neue', sans-serif; font-size: 3.2rem; letter-spacing: 0.04em; color: var(--ink); display: block; line-height: 1; }
.stat-lbl { font-family: 'IBM Plex Mono', monospace; font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); display: block; margin-top: 0.4rem; }

/* ── CARD ── */
.c { background: var(--card); border: 1px solid var(--border-soft); transition: background 0.3s; }
.c:hover { background: var(--card-hi); }

/* ── HR ── */
hr { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ── FOOTER ── */
.footer {
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 2.5rem 4rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.5rem;
}
.footer-links { display: flex; gap: 2.5rem; }
.footer-links a { font-family: 'IBM Plex Mono', monospace; font-size: 0.58rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--ink); }
.footer-copy { font-family: 'IBM Plex Mono', monospace; font-size: 0.56rem; color: var(--faint); letter-spacing: 0.1em; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .nav { padding: 1.2rem 1.5rem; } .nav.stuck { padding: 0.8rem 1.5rem; }
  .nav-links { display: none; }
  .section, .section-md, .section-sm { padding: 5rem 1.5rem; }
  .footer { padding: 2rem 1.5rem; flex-direction: column; align-items: flex-start; }
}