/* ==========================================================================
   NULO — design layer
   Everything Tailwind can't express: grain, aurora fields, masks, kinetics.
   ========================================================================== */

:root {
  --ink:        #12100E;
  --ink-soft:   #3A342E;
  --ink-mute:   #7A7168;
  --paper:      #F6F1E8;
  --paper-deep: #EBE2D4;
  --line:       #12100E1a;

  --wood-hi:    #F0D6AC;
  --wood:       #C9995E;
  --wood-dark:  #8A5F2E;
  --wood-deep:  #573914;

  --peach:      #FFCDA0;
  --cyan:       #A6E3EE;
  --lilac:      #D6C2F2;
  --mint:       #A9E6C6;

  --spear:      #1E8E74;
  --spear-deep: #0C4B3E;
  --spear-pale: #D3E9E0;
  --foil:       #1F8E86;

  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.76, 0, 0.24, 1);

  --gutter: clamp(1.25rem, 4vw, 4.5rem);
}

/* ---------- base ---------- */

* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

html { scroll-behavior: auto; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter Tight', system-ui, sans-serif;
  overflow-x: clip;
}

body.is-loading { overflow: hidden; height: 100vh; }

::selection { background: var(--ink); color: var(--paper); }

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

/* ---------- typography ---------- */

.font-display {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.86;
}

.font-serif-it {
  font-family: 'Instrument Serif', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.label {
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
}

/* Fluid display scale — real contrast between label and headline */
.d-xxl { font-size: clamp(4rem, 17.5vw, 20rem); }
.d-xl  { font-size: clamp(3rem, 10vw, 10rem); }
.d-lg  { font-size: clamp(2.25rem, 6.2vw, 6rem); }
.d-md  { font-size: clamp(1.75rem, 3.6vw, 3.25rem); }

.balance { text-wrap: balance; }
.pretty  { text-wrap: pretty; }

/* ---------- paper grain ---------- */

.grain::after {
  content: '';
  position: fixed;
  inset: -50%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.42;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  animation: grainShift 0.7s steps(3) infinite;
  mix-blend-mode: multiply;
}

@keyframes grainShift {
  0%   { transform: translate(0, 0); }
  33%  { transform: translate(-2%, 1.5%); }
  66%  { transform: translate(1.5%, -1%); }
  100% { transform: translate(0, 0); }
}

/* ---------- aurora field (the brand signature) ---------- */

.aurora {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.aurora__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  will-change: transform;
  mix-blend-mode: multiply;
  opacity: 0.85;
}

@media (min-width: 768px) {
  .aurora__blob { filter: blur(110px); }
}

.blob--peach { background: var(--peach); }
.blob--cyan  { background: var(--cyan); }
.blob--lilac { background: var(--lilac); }
.blob--mint  { background: var(--mint); }

/* Diagonal light-leak band, echoing the product photography */
.lightband {
  position: absolute;
  inset: -30%;
  pointer-events: none;
  background: linear-gradient(
    118deg,
    transparent 22%,
    var(--cyan) 34%,
    var(--peach) 46%,
    var(--lilac) 56%,
    transparent 70%
  );
  filter: blur(80px);
  opacity: 0.55;
  mix-blend-mode: multiply;
}

/* ---------- product SVG kinetics ---------- */

.stick-wrap { will-change: transform; }

.stick-shadow {
  position: absolute;
  left: 50%;
  bottom: 4%;
  width: 34%;
  height: 5%;
  translate: -50% 0;
  background: radial-gradient(ellipse at center, #8A5F2E55, transparent 72%);
  filter: blur(18px);
}

/* ---------- reveal primitives ---------- */

[data-split] { visibility: hidden; }
.split-line { overflow: hidden; display: block; }
.split-word { display: inline-block; will-change: transform; }
.split-char { display: inline-block; will-change: transform; }

.reveal-img {
  overflow: hidden;
  position: relative;
}
.reveal-img > img,
.reveal-img > svg,
.reveal-img > .reveal-inner {
  will-change: transform;
}

/* ---------- marquee ---------- */

.marquee {
  display: flex;
  width: max-content;
  will-change: transform;
}
.marquee__item {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-right: clamp(1.5rem, 4vw, 3.5rem);
  white-space: nowrap;
}

/* ---------- links & buttons ---------- */

.link-u {
  position: relative;
  display: inline-block;
}
.link-u::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.55s var(--ease-out);
}
.link-u:hover::after { transform: scaleX(1); transform-origin: left; }

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  overflow: hidden;
  border-radius: 999px;
  isolation: isolate;
  transition: color 0.5s var(--ease-out);
}
.btn__fill {
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  transform: translateY(101%);
  transition: transform 0.6s var(--ease-out);
}
.btn:hover .btn__fill { transform: translateY(0); }

.magnetic { will-change: transform; }

/* ---------- custom cursor ---------- */

.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 9998;
  pointer-events: none;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--ink);
  mix-blend-mode: difference;
  will-change: transform;
  opacity: 0;
}
.cursor__ring {
  position: fixed;
  top: 0; left: 0;
  z-index: 9997;
  pointer-events: none;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--ink);
  opacity: 0;
  will-change: transform;
}
@media (hover: none) { .cursor, .cursor__ring { display: none; } }

/* ---------- sticky stack cards ---------- */

.stack-card {
  position: sticky;
  will-change: transform;
}

/* ---------- accordion ---------- */

.acc__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.6s var(--ease-inout);
}
.acc.is-open .acc__panel { grid-template-rows: 1fr; }
.acc__inner { overflow: hidden; }
.acc__sign { transition: transform 0.5s var(--ease-inout); }
.acc.is-open .acc__sign { transform: rotate(135deg); }

/* ---------- nav ---------- */

.nav {
  transition: transform 0.6s var(--ease-out), background-color 0.5s ease, border-color 0.5s ease;
}
.nav.is-hidden { transform: translateY(-110%); }
.nav.is-solid {
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px);
  border-color: var(--line);
}

/* ---------- preloader ---------- */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  place-items: center;
}

/* Title row: counter overlays the corner so the h1 can use the full row width. */
[data-preloader] .flex.items-end.justify-between {
  position: relative;
  padding-right: 3.5rem;
  
}

[data-preloader] h1.d-xl {
  display: flex;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  font-size: clamp(
    1.75rem,
    calc((100vw - (var(--gutter) * 2) - 3.5rem) / (var(--preloader-chars, 4) * 0.62)),
    10rem
  );
}

[data-preloader] [data-preloader-char] {
  display: inline-block;
}

[data-preloader] [data-preloader-num] {
  position: absolute;
  right: 0;
  bottom: 0;
}

.preloader__bar {
  height: 1px;
  background: var(--paper);
  transform-origin: left;
  transform: scaleX(0);
}

/* ---------- flavour meter ---------- */

.meter__fill {
  transform-origin: left;
  transform: scaleX(0);
}

/* ---------- misc ---------- */

.rule { height: 1px; background: var(--line); }

.clip-reveal { clip-path: inset(0 0 100% 0); }

.hover-lift { transition: transform 0.6s var(--ease-out); }
.hover-lift:hover { transform: translateY(-6px); }

.card-img { transition: transform 1.1s var(--ease-out); }
.group:hover .card-img { transform: scale(1.06); }

.noise-edge {
  mask-image: radial-gradient(ellipse at center, #000 55%, transparent 100%);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .grain::after { animation: none; }
  [data-split] { visibility: visible !important; }
}