/* =========================================================
   RISLAN — base.css
   Design system: canvas / ink / pigment. OKLCH palette.
   ========================================================= */

:root {
  /* — paper & ink — */
  --canvas:    oklch(0.962 0.012 78);
  --canvas-2:  oklch(0.934 0.016 74);
  --canvas-3:  oklch(0.902 0.018 70);
  --ink:       oklch(0.235 0.016 56);
  --ink-2:     oklch(0.405 0.013 56);
  --ink-3:     oklch(0.560 0.010 58);

  /* — pigments — */
  --cinnabar:  oklch(0.585 0.190 36);
  --cinnabar-d:oklch(0.505 0.175 34);
  --ultra:     oklch(0.470 0.150 264);
  --ochre:     oklch(0.760 0.135 76);
  --viridian:  oklch(0.560 0.100 168);

  --accent: var(--cinnabar);
  --line:   color-mix(in oklab, var(--ink) 15%, transparent);
  --line-2: color-mix(in oklab, var(--ink) 8%, transparent);

  /* — type — */
  --f-display: "Fraunces", "Times New Roman", serif;
  --f-italic:  "Instrument Serif", "Fraunces", serif;
  --f-body:    "Hanken Grotesk", system-ui, sans-serif;

  --step--1: clamp(0.82rem, 0.78rem + 0.2vw, 0.94rem);
  --step-0:  clamp(1rem, 0.95rem + 0.25vw, 1.15rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --step-2:  clamp(1.6rem, 1.35rem + 1.2vw, 2.4rem);
  --step-3:  clamp(2.2rem, 1.7rem + 2.6vw, 4rem);
  --step-4:  clamp(3rem, 2rem + 5vw, 7rem);
  --step-5:  clamp(4rem, 2rem + 11vw, 13rem);

  /* — space & motion — */
  --gutter: clamp(1.25rem, 1rem + 3vw, 4.5rem);
  --section-y: clamp(3.5rem, 2.4rem + 5vw, 8rem);
  --maxw: 88rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 2px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--step-0);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  font-feature-settings: "ss01", "cv05";
}
img, canvas, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; padding: 0; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--cinnabar); color: var(--canvas); }

/* Lenis smooth scroll */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

/* ---------- custom cursor ---------- */
html.js:not(.is-touch), html.js:not(.is-touch) a,
html.js:not(.is-touch) button, html.js:not(.is-touch) [data-magnetic] { cursor: none; }
html.js:not(.is-touch) input,
html.js:not(.is-touch) textarea { cursor: text; }
#brush-cursor {
  position: fixed; inset: 0; width: 100vw; height: 100vh;
  pointer-events: none; z-index: 9999; mix-blend-mode: multiply;
}
html.is-touch #brush-cursor, html.reduced-motion #brush-cursor { display: none; }

/* ---------- typography helpers ---------- */
.section-title {
  font-family: var(--f-display);
  font-weight: 380;
  font-size: var(--step-4);
  line-height: 0.95;
  letter-spacing: -0.02em;
  font-optical-sizing: auto;
}
.section-title em, .about__head em, .foot__head em, .statement__text em,
.hero__tag em, .play h2 em {
  font-family: var(--f-italic);
  font-style: italic;
  font-weight: 400;
  color: var(--cinnabar);
  letter-spacing: 0;
}
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 0.7em;
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink-2);
}
.section-eyebrow__num {
  display: inline-grid; place-items: center;
  width: 2.2em; height: 2.2em;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--cinnabar);
  font-size: 0.85em;
}

/* ---------- buttons ---------- */
.btn {
  --pad-y: 0.95em; --pad-x: 1.6em;
  position: relative; display: inline-flex; align-items: center; gap: 0.7em;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 100px;
  font-weight: 600; font-size: var(--step-0);
  letter-spacing: 0.01em;
  overflow: hidden; isolation: isolate;
  transition: color .5s var(--ease), transform .6s var(--ease);
  will-change: transform;
}
.btn svg { width: 1.1em; height: 1.1em; }
.btn--solid { background: var(--ink); color: var(--canvas); }
.btn--solid::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--cinnabar);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform .55s var(--ease-expo);
}
.btn--solid:hover::before { transform: scaleY(1); }
.btn--ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn--ghost::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform .5s var(--ease-expo);
}
.btn--ghost:hover { color: var(--canvas); border-color: var(--ink); }
.btn--ghost:hover::before { transform: scaleX(1); }
.btn--sm { --pad-y: 0.6em; --pad-x: 1.1em; font-size: var(--step--1); }

/* ---------- header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1rem, 0.6rem + 1.4vw, 1.8rem) var(--gutter);
  mix-blend-mode: multiply;
  transition: transform .6s var(--ease), opacity .4s ease;
}
.site-header.is-hidden { transform: translateY(-110%); }
.brand { display: inline-flex; align-items: center; gap: 0.6em; font-family: var(--f-display); font-weight: 500; font-size: var(--step-1); letter-spacing: -0.01em; }
.brand__dab {
  width: 0.85em; height: 0.85em; border-radius: 46% 54% 60% 40% / 55% 45% 55% 45%;
  background: var(--cinnabar);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--cinnabar) 50%, transparent);
  animation: dab 6s var(--ease) infinite;
}
@keyframes dab { 0%,100%{border-radius:46% 54% 60% 40% / 55% 45% 55% 45%;} 50%{border-radius:60% 40% 42% 58% / 42% 60% 40% 58%;} }
.site-header__right { display: flex; align-items: center; gap: clamp(0.8rem, 2vw, 1.6rem); }
.header-cta {
  font-weight: 600; font-size: var(--step--1);
  padding: 0.5em 0; position: relative;
}
.header-cta::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease); }
.header-cta:hover::after { transform: scaleX(1); transform-origin: left; }
@media (max-width: 600px){ .header-cta { display: none; } }

.menu-toggle { display: inline-flex; align-items: center; gap: 0.6em; font-weight: 600; font-size: var(--step--1); letter-spacing: 0.06em; text-transform: uppercase; }
.menu-toggle__bars { display: inline-grid; gap: 4px; width: 22px; }
.menu-toggle__bars i { height: 1.5px; background: var(--ink); transition: transform .4s var(--ease); }
[data-menu-toggle][aria-expanded="true"] .menu-toggle__bars i:first-child { transform: translateY(2.75px) rotate(20deg); }
[data-menu-toggle][aria-expanded="true"] .menu-toggle__bars i:last-child { transform: translateY(-2.75px) rotate(-20deg); }

/* ---------- fullscreen menu ---------- */
.menu { position: fixed; inset: 0; z-index: 190; display: grid; grid-template-rows: 1fr auto; }
.menu[hidden] { display: none; }
.menu__wash { position: absolute; inset: 0; background: var(--ink); transform-origin: top; }
.menu__nav { position: relative; align-self: center; padding: 0 var(--gutter); }
.menu__nav ul { display: grid; gap: clamp(0.1rem, 1vw, 0.5rem); }
.menu__nav a { display: flex; align-items: baseline; gap: 1em; color: var(--canvas); font-family: var(--f-display); font-weight: 360; font-size: clamp(2.4rem, 1rem + 9vw, 7rem); line-height: 1.04; letter-spacing: -0.02em; }
.menu__idx { font-family: var(--f-body); font-size: var(--step--1); color: color-mix(in oklab, var(--canvas) 50%, transparent); letter-spacing: 0.1em; }
.menu__word { position: relative; transition: color .4s ease; }
.menu__nav a:hover .menu__word { color: var(--ochre); font-style: italic; }
.menu__foot { position: relative; display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: space-between; padding: var(--gutter); color: color-mix(in oklab, var(--canvas) 70%, transparent); font-size: var(--step--1); }
.menu__foot a:hover { color: var(--canvas); }

/* ---------- preloader ---------- */
#preloader { position: fixed; inset: 0; z-index: 9000; background: var(--canvas); display: grid; place-items: center; }
#preloader.is-done { pointer-events: none; }
.preloader__inner { width: min(80vw, 30rem); display: grid; gap: 1.4rem; }
.preloader__brush { width: 5rem; color: var(--cinnabar); margin-inline: auto; }
.preloader__brush path { stroke-dasharray: 1; stroke-dashoffset: 1; }
.preloader__row { display: flex; align-items: baseline; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 0.8rem; }
.preloader__word { font-family: var(--f-display); font-size: var(--step-2); font-style: italic; }
.preloader__count { font-variant-numeric: tabular-nums; color: var(--ink-2); font-size: var(--step-1); }

/* ---------- marquee ---------- */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding-block: clamp(0.8rem, 1.5vw, 1.4rem); background: var(--canvas-2); }
.marquee__track { display: flex; align-items: center; gap: 2.4rem; width: max-content; will-change: transform; }
.marquee__track span { font-family: var(--f-display); font-size: clamp(1.6rem, 1rem + 3vw, 3.4rem); font-weight: 340; letter-spacing: -0.01em; white-space: nowrap; }
.marquee__dot { color: var(--cinnabar); font-size: 0.5em !important; transform: translateY(-0.4em); }

/* ---------- reveal primitives ---------- */
[data-reveal] { opacity: 0; transform: translateY(1.4rem); }
html.reduced-motion [data-reveal], html.no-js [data-reveal] { opacity: 1; transform: none; }
[data-split] { display: inline-block; }

/* ---------- shared layout ---------- */
.section-eyebrow, .section-title { position: relative; }
main { position: relative; z-index: 1; }

/* focus */
:focus-visible { outline: 2px solid var(--cinnabar); outline-offset: 3px; border-radius: 2px; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}