/* ============================================================
   MARG RENDERS — Global design system
   Shared across every page: reset, tokens, nav, footer, reveals
   ============================================================ */

/* ---- Reset ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { min-height: 100%; }
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
::selection { background: #ece9e1; color: #14120f; }

/* ---- Tokens (warm DARK is the base) ----------------------- */
:root {
  /* warm-black / deep-charcoal cinematic palette — never pure black */
  --bg:        #14120f;   /* page base — warm near-black */
  --bg-2:      #1c1916;   /* figure backing / lifted charcoal */
  --surface:   #1c1916;
  --paper:     #f0ede5;   /* strong foreground (headings) — warm off-white */
  --ink:       #c8c3b7;   /* body text */
  --muted:     #8d877a;
  --muted-2:   #5f5a50;
  --line:      rgba(240, 237, 229, 0.13);
  --line-soft: rgba(240, 237, 229, 0.06);
  --section-bg: var(--bg);

  /* deeper tones for hero / statement (subtle tonal contrast) */
  --deep:      #100e0b;
  --deep-2:    #17140f;

  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --ease:      cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.65, 0, 0.35, 1);

  --pad: clamp(1.25rem, 5vw, 5rem);
  --maxw: 1680px;

  --nav-h: 92px;
}

/* Deeper islands (hero / statement) — subtly darker than the base. */
.dark {
  --bg:        var(--deep);
  --bg-2:      var(--deep-2);
  --surface:   var(--deep-2);
  --section-bg: var(--deep);
  background-color: var(--deep);
  color: var(--ink);
}

/* ---- Base ------------------------------------------------- */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }

/* utility */
.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
}
.idx { font-variant-numeric: tabular-nums; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad);
  transition: transform 0.5s var(--ease), background 0.5s var(--ease), height 0.5s var(--ease);
}
.nav.solid {
  background: rgba(26, 24, 21, 0.78);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid rgba(236, 233, 225, 0.08);
  height: 72px;
}
.nav.hide { transform: translateY(-100%); }

/* wordmark lockup (light — sits over the dark hero / solid bar) */
.lockup { display: inline-flex; flex-direction: column; align-items: flex-start; line-height: 1; }
.lockup .lk-word {
  font-family: var(--serif); font-weight: 600;
  font-size: 1.5rem; letter-spacing: 0.12em; color: #ece9e1;
}
.lockup .lk-rule { height: 1px; width: 100%; background: #ece9e1; margin: 3px 0 2px; opacity: 0.85; }
.lockup .lk-sub {
  font-family: var(--serif); font-weight: 500;
  font-size: 0.6rem; letter-spacing: 0.46em; text-transform: uppercase;
  color: #ece9e1; align-self: stretch; text-align: center;
}

.nav-links { display: flex; align-items: center; gap: clamp(1.4rem, 3vw, 3rem); }
.nav-links a {
  font-family: var(--sans); font-size: 0.74rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: #ece9e1;
  position: relative; padding: 0.4rem 0;
}
.nav-links a .lbl { position: relative; display: inline-block; }
.nav-links a .lbl::after {
  content: ""; position: absolute; left: 0; bottom: -3px; height: 1px; width: 100%;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform 0.5s var(--ease);
}
.nav-links a:hover .lbl::after, .nav-links a.active .lbl::after { transform: scaleX(1); transform-origin: left; }
.nav-num { color: rgba(236, 233, 225, 0.55); margin-right: 0.5em; font-variant-numeric: tabular-nums; }

.nav-toggle { display: none; }

/* ============================================================
   FOOTER (light)
   ============================================================ */
.footer {
  padding: clamp(3rem,7vh,5rem) var(--pad) clamp(1.8rem,4vh,2.6rem);
  border-top: 1px solid var(--line-soft);
  background-color: var(--bg);
}
.footer-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 2rem; align-items: flex-end; justify-content: space-between;
}
.footer .lockup .lk-word { font-size: 1.2rem; color: var(--paper); }
.footer .lockup .lk-rule { background: var(--paper); }
.footer .lockup .lk-sub { font-size: 0.52rem; color: var(--paper); }
.footer .colophon { font-size: 0.72rem; letter-spacing: 0.12em; color: var(--muted); text-align: right; line-height: 1.8; }

/* ============================================================
   REVEAL primitives (JS-driven)
   ============================================================ */
[data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal-line] .ln > span { transform: translateY(110%); transition: transform 1s var(--ease); }
[data-reveal-line].in .ln > span { transform: translateY(0); }
[data-reveal-line].in .ln:nth-child(2) > span { transition-delay: 0.08s; }
[data-reveal-line].in .ln:nth-child(3) > span { transition-delay: 0.16s; }
[data-reveal-line].in .ln:nth-child(4) > span { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal-line] .ln > span { opacity: 1 !important; transform: none !important; }
}

/* ============================================================
   RESPONSIVE — nav
   ============================================================ */
@media (max-width: 900px) {
  body { font-size: 16px; }
  .nav-links { position: fixed; inset: 0; flex-direction: column; justify-content: center; align-items: flex-start;
    gap: 1.6rem; padding: var(--pad); background: var(--deep);
    transform: translateX(100%); transition: transform 0.6s var(--ease); z-index: 99; }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.4rem; font-family: var(--serif); letter-spacing: 0.02em; text-transform: none; }
  .nav-links a .lbl::after { display: none; }
  .nav-num { font-family: var(--sans); font-size: 0.8rem; }
  .nav-toggle { display: inline-flex; flex-direction: column; gap: 5px; z-index: 101; padding: 0.5rem; margin: -0.5rem; }
  .nav-toggle span { width: 26px; height: 1.5px; background: #ece9e1; transition: transform 0.4s var(--ease), opacity 0.3s; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}
@media (max-width: 560px) {
  :root { --nav-h: 72px; }
}