/* =====================================================
   GPB — test build
   Typography: ABC Monument Grotesk (headings) / Helvetica Neue (body)
   Fluid sizing: Scaling System by Osmo [https://osmo.supply/]
   ===================================================== */

/* ---------- Fonts ---------- */
@font-face {
  font-family: 'ABC Monument Grotesk';
  src: url('../fonts/ABCMonumentGroteskCyrillicVariableVF-Trial.ttf') format('truetype-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ------------------------- Scaling System by Osmo [https://osmo.supply/] ------------------------- */

/* Desktop — Figma frame 1440 */
:root {
  --size-unit: 16;
  --size-container-ideal: 1440;
  --size-container-min: 992px;
  --size-container-max: 1920px;
  --size-container: clamp(var(--size-container-min), 100vw, var(--size-container-max));
  --size-font: calc(var(--size-container) / (var(--size-container-ideal) / var(--size-unit)));

  /* Colors */
  --color-black: #000000;
  --color-body: rgba(0, 0, 0, 0.8);       /* body / eyebrow — 80% */
  --color-white: #ffffff;
  --color-body-inverse: rgba(255, 255, 255, 0.8);
  --color-bg: #ffffff;
  --color-bg-soft: #f1f1ef;
  --color-bg-dark: #050505;

  /* Type scale (px @1440 → em) */
  --text-h1: 3.75em;      /* 60px */
  --text-h2: 2.625em;     /* 42px */
  --text-h3: 1.5em;       /* 24px */
  --text-body: 1.125em;   /* 18px */
  --text-small: 1em;      /* 16px */
  --text-btn: 1em;        /* 16px */
  --text-eyebrow: 0.75em; /* 12px */

  --font-heading: 'ABC Monument Grotesk', Helvetica, Arial, sans-serif;
  --font-body: 'Helvetica Neue', Helvetica, Arial, sans-serif;

  --container-padding: 2.5em; /* 40px */
}

/* Tablet */
@media screen and (max-width: 991px) {
  :root {
    --size-container-ideal: 834;
    --size-container-min: 768px;
    --size-container-max: 991px;
  }
}

/* Mobile Landscape */
@media screen and (max-width: 767px) {
  :root {
    --size-container-ideal: 550;
    --size-container-min: 480px;
    --size-container-max: 767px;
  }
}

/* Mobile Portrait */
@media screen and (max-width: 479px) {
  :root {
    --size-container-ideal: 390;
    --size-container-min: 320px;
    --size-container-max: 479px;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: initial; /* Lenis handles it */
}

body {
  font-size: var(--size-font);
  font-family: var(--font-body);
  color: var(--color-body);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.container {
  width: 100%;
  max-width: var(--size-container);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ---------- Typography ---------- */
.h1 {
  font-family: var(--font-heading);
  font-size: var(--text-h1);
  font-weight: 400;
  line-height: 0.96;
  letter-spacing: -0.04em;
  color: var(--color-black);
}

.h2 {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: 400;
  line-height: 0.96;
  letter-spacing: -0.04em;
  color: var(--color-black);
}

.h3 {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  font-weight: 400;
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--color-black);
}

.body-text {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-body);
}

.small-text {
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-body);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-eyebrow);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-body);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}

.eyebrow__arrow {
  width: 0.834em; /* 10px @ 12px font */
  height: auto;
  flex-shrink: 0;
}

/* Dark theme inversion */
.theme-dark .h1,
.theme-dark .h2,
.theme-dark .h3 { color: var(--color-white); }

.theme-dark .body-text,
.theme-dark .small-text,
.theme-dark .eyebrow { color: var(--color-body-inverse); }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-size: var(--text-btn);
  font-weight: 400;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.75em 1.25em;
  border-radius: 10em;
  transition: opacity 0.2s ease, background-color 0.2s ease;
}

.btn--dark {
  background-color: var(--color-black);
  color: var(--color-white);
}
.btn--dark:hover { opacity: 0.85; }

.btn--light {
  background-color: var(--color-white);
  color: var(--color-black);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
}
.btn--light:hover { background-color: rgba(0, 0, 0, 0.04); }

.btn__dot {
  width: 0.375em;
  height: 0.375em;
  border-radius: 50%;
  background-color: currentColor;
}

/* ---------- Header ----------
   Fixed + mix-blend-mode: difference. Everything inside is painted in the
   INVERSE of how it should look on a white page (difference re-inverts it),
   so on the black section the whole bar flips to light automatically. */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  mix-blend-mode: difference;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25em var(--container-padding);
}

.header__logo-svg {
  height: 1.75em;
  width: auto;
  display: block;
  /* fills are painted white in the SVG → difference reads black on white, white on black */
}

.header__actions {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5em;
}

.header .btn--dark {
  /* looks like a black pill with white text on light bg */
  background-color: #fff;
  color: #000;
}

.header .btn--light {
  /* painted #1A1A1A → difference renders border/hover-bg as #E5E5E5 on white */
  background-color: transparent;
  color: #fff;
  box-shadow: inset 0 0 0 1px #1a1a1a;
}
.header .btn--light:hover { background-color: #1a1a1a; }

.header__clock {
  font-family: var(--font-body);
  font-size: 0.875em;
  color: rgba(255, 255, 255, 0.8);
  font-variant-numeric: tabular-nums;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}

.header__clock-dot {
  width: 0.43em; /* ≈6px, same as the button dot */
  height: 0.43em;
  border-radius: 50%;
  /* painted #202020 → difference renders it #DFDFDF on the white page */
  background-color: #202020;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  /* em-based height so the wheel geometry scales with the Osmo scale system
     (100svh broke proportions on wide/short screens) */
  min-height: max(100svh, 58.75em);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10em;
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5em;
}

.hero__content .h1 { max-width: 10.5em; }
.hero__sub { max-width: 24em; }

/* Radial wheel — center pinned to the hero's bottom edge */
.radial-wheel {
  --wheel-radius: 23em; /* per concept PDF: top card sits ~6em below the hero copy */
  position: absolute;
  left: 50%;
  bottom: 0;
  width: calc(var(--wheel-radius) * 2);
  height: calc(var(--wheel-radius) * 2);
  transform: translate(-50%, 50%);
  pointer-events: none;
}

.radial-wheel__parallax {
  width: 100%;
  height: 100%;
  position: relative;
}

.radial-wheel__inner {
  width: 100%;
  height: 100%;
  position: relative;
  will-change: transform;
}

/* 10 cards × 36° — chord ≈ 14.2em vs card ≈ 12.9em diagonal support → cards never touch */
.radial-wheel__item {
  --angle: 0deg;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9.5em; /* 152px */
  aspect-ratio: 160 / 211;
  margin: -6.26em 0 0 -4.75em; /* center the card on the wheel center */
  transform: rotate(var(--angle)) translateY(calc(var(--wheel-radius) * -1));
}

.radial-wheel__item:nth-child(1)  { --angle: 0deg; }
.radial-wheel__item:nth-child(2)  { --angle: 36deg; }
.radial-wheel__item:nth-child(3)  { --angle: 72deg; }
.radial-wheel__item:nth-child(4)  { --angle: 108deg; }
.radial-wheel__item:nth-child(5)  { --angle: 144deg; }
.radial-wheel__item:nth-child(6)  { --angle: 180deg; }
.radial-wheel__item:nth-child(7)  { --angle: 216deg; }
.radial-wheel__item:nth-child(8)  { --angle: 252deg; }
.radial-wheel__item:nth-child(9)  { --angle: 288deg; }
.radial-wheel__item:nth-child(10) { --angle: 324deg; }

.radial-wheel__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0.375em;
}

/* ---------- Section 2 — Focus (glass) ---------- */
.section-focus {
  position: relative;
  z-index: 2;
  background-color: var(--color-bg-soft);
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 7.5em 0;
}

.section-focus__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-focus__content .eyebrow { margin-bottom: 1.5em; }
.section-focus__content .h2 { max-width: 11em; }
.section-focus__sub { max-width: 20em; margin-top: 1.35em; }

.fact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25em;
  margin-top: 4.5em;
  width: 100%;
  max-width: 52em;
}

.fact-card {
  background-color: var(--color-white);
  border: 1px solid rgb(207, 207, 207);
  border-radius: 0.8em;
  padding: 1.75em 1.5em;
  min-height: 15.5em;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  text-align: left;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.fact-card__icon { margin-bottom: 2.5em; }
.fact-card__icon svg { width: 3.25em; height: 3.25em; }

.fact-card__body { display: flex; flex-direction: column; gap: 0.65em; }

/* ----- Liquid glass canvas (three.js) — full-section background ----- */
.glass-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  z-index: 1;
}

/* ---------- Section 3 — Dark / 3D Cards Tornado ---------- */
.section-brands {
  position: relative;
  z-index: 2;
  background-color: var(--color-bg-dark);
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: clip;
}

.section-brands__layout {
  position: relative;
  z-index: 2;
  pointer-events: none;
}

.section-brands__text {
  max-width: 24em;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.section-brands__text .eyebrow { margin-bottom: 1.5em; }
.section-brands__text .body-text { margin-top: 1.35em; max-width: 20em; }

/* ----- Osmo 3D Cards Tornado (verbatim; placement adapted to right column) ----- */
.cards-tornado {
  cursor: grab;
  touch-action: none;
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  overflow: clip;
}

.cards-tornado__collection {
  width: 100%;
  height: 100%;
  position: relative;
}

.cards-tornado__list {
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  perspective: 75em;
  font-size: clamp(.5em, .75vw, 1.5em);
  position: relative;
}

.cards-tornado__item {
  transform-style: preserve-3d;
  backface-visibility: visible;
  will-change: transform, filter;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.tornado-card {
  aspect-ratio: 4 / 5;
  pointer-events: none;
  user-select: none;
  background-color: #222;
  border-radius: 1em;
  width: 18em;
  position: relative;
}

.tornado-card__img {
  object-fit: cover;
  border-radius: inherit;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

/* ---------- Section 4 — Process ---------- */
.section-process {
  position: relative;
  z-index: 2;
  background-color: var(--color-bg);
  padding: 12em 0;
}

.section-process__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-process__content .eyebrow { margin-bottom: 1.5em; }
.section-process__content .h2 { max-width: 12em; }

.section-process__sub { max-width: 26em; margin-top: 1.35em; }

/* ---------- Section 5 — Rotating gallery (Codrops Variation 1, adapted) ----------
   Demo values kept verbatim where possible; rem@11px converted to em@16:
   item 600px → 37.5em, stack overlap -5rem → -3.4375em, marquee gap 3rem → 2.0625em,
   marquee font clamp(2rem,16vw,8rem) → clamp(1.375em,16vw,5.5em). */
.section-rotate {
  position: relative;
  z-index: 2;
  background-color: #141414;
  overflow: clip;
}

/* demo's body::after vignette, scoped: sticky so it hugs the viewport through the section */
.section-rotate__vignette {
  position: sticky;
  top: 0;
  height: 100svh;
  margin-bottom: -100svh;
  z-index: 3;
  pointer-events: none;
  background: radial-gradient(rgba(0, 0, 0, 0.2) 10%, rgba(0, 0, 0, 0.8) 80%);
  background-repeat: no-repeat;
  background-size: 100%;
}

.rotate-gallery {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 25vh;
  padding-bottom: 35vh;
}

.rotate-gallery__item-wrap {
  width: 100%;
  max-width: 37.5em; /* 600px */
  perspective: 900px;
  margin-bottom: -3.4375em; /* -5rem @ 11px root */
}

.rotate-gallery__item {
  width: 100%;
  aspect-ratio: 14 / 9;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform-style: preserve-3d;
  will-change: transform, filter;
  border-radius: 0;
}

.rotate-mark {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 100vw;
  left: 0;
  z-index: 5;
  overflow: hidden;
  mix-blend-mode: plus-lighter; /* demo-1 */
  pointer-events: none;
}

.rotate-mark__inner {
  display: flex;
  gap: 2.0625em; /* 3rem @ 11px root */
  width: max-content;
  position: relative;
  will-change: transform;
  transform: translateX(100vw); /* parked off-screen until the scrub kicks in */
}

.rotate-mark__inner span {
  white-space: nowrap;
  text-transform: uppercase;
  color: #ffffff; /* was demo-1 khaki rgb(190,175,110) — testing white */
  font-size: clamp(1.375em, 16vw, 5.5em);
  line-height: 1;
  font-family: var(--font-heading);
  font-weight: 772; /* demo font-variation "wght" 772 */
}

/* ---------- Reveal helpers ---------- */
[data-reveal] { visibility: hidden; }
[data-reveal].is-split { visibility: visible; }

/* SplitText mask: at line-height 0.96 the mask's clip edge cuts descenders
   (y, g, p). `overflow: clip` clips at the padding box, so padding-bottom
   enlarges the visible area; the negative margin keeps line spacing intact. */
[data-reveal] .line-mask {
  padding-bottom: 0.2em;
  margin-bottom: -0.2em;
}

[data-fade] { opacity: 0; }

/* ---------- Responsive ---------- */
@media screen and (max-width: 767px) {
  .header__actions { position: static; transform: none; }
  .header__clock { display: none; }

  .fact-cards { grid-template-columns: 1fr; max-width: 26em; }

  .section-brands { align-items: flex-end; padding-bottom: 5em; }
  .cards-tornado { width: 100%; height: 60%; }
  .section-brands__text { max-width: 100%; }
}