/* =========================================================
   THE ART OF DOING NOTHING — style.css
   Minimal editorial layout: 12-column grid, two typefaces,
   three colours, a barely visible layer of film grain.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --paper: #F1EFE9;
  --ink: #191919;
  --muted: #77736D;

  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Geist Mono", "Courier New", Courier, monospace;

  --gutter: clamp(1rem, 3.2vw, 3rem);      /* page side margins */
  --col-gap: clamp(0.75rem, 1.6vw, 1.5rem);
  --section-space: clamp(6rem, 18vw, 16rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1); /* calm ease-out */
  --t-slow: 1200ms;
  --t-mid: 900ms;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1,
h2,
p,
figure {
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

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

/* ---------- Paper grain ----------
   An SVG noise tile at very low opacity sits above everything.
   It never catches clicks and is almost invisible on purpose. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.07;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.1 0 0 0 0 0.1 0 0 0 1.1 -0.2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Micro typography ---------- */
.meta {
  font-family: var(--mono);
  font-size: clamp(0.6875rem, 0.62rem + 0.2vw, 0.8125rem); /* 11–13px */
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Shared grid ---------- */
.hero,
.pause-visual,
.invite {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--col-gap);
  padding-inline: var(--gutter);
}

/* ---------- Content wrapper (fades out in pause mode) ---------- */
.content {
  transition: opacity var(--t-mid) var(--ease);
}

.content.is-fading {
  opacity: 0;
}

/* =========================================================
   01 — HERO
   ========================================================= */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  grid-template-rows: auto 1fr auto auto;
  padding-top: var(--gutter);
  padding-bottom: var(--gutter);
}

.hero__index {
  grid-column: 1 / 3;
  grid-row: 1;
}

.hero__title {
  grid-column: 1 / -1;
  grid-row: 2;
  align-self: end;
  font-weight: 700;
  font-size: clamp(3rem, 10vw, 12.5rem);
  line-height: 0.86;
  letter-spacing: -0.055em;
  text-transform: uppercase;
  /* optical correction: heavy caps look indented at large sizes */
  margin-left: -0.05em;
}

.hero__line {
  display: block;
  white-space: nowrap; /* exactly two lines on desktop & tablet */
}

/* The second line steps in by a column — the composition leans right */
.hero__line--indent {
  padding-left: calc((100% / 12) * 1);
}

.hero__lead {
  grid-column: 8 / 13;
  grid-row: 3;
  margin-top: clamp(2rem, 5vw, 4.5rem);
  font-size: clamp(1.0625rem, 0.9rem + 0.6vw, 1.5rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.hero__caption {
  grid-column: 1 / 7;
  grid-row: 4;
  margin-top: clamp(3rem, 7vw, 6rem);
}

/* =========================================================
   02 — VISUAL PAUSE
   ========================================================= */
.pause-visual {
  padding-top: var(--section-space);
}

.pause-visual__index {
  grid-column: 1 / 3;
  grid-row: 1;
}

/* The photo sits right of centre, never full width */
.figure {
  grid-column: 6 / 11;
  grid-row: 1;
}

.figure__frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #DDD9D0; /* shows while the image is loading */
}

.figure__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure__caption {
  margin-top: 0.9rem;
  max-width: 36ch;
}

/* =========================================================
   03 — INTERACTION
   ========================================================= */
.invite {
  padding-top: var(--section-space);
  padding-bottom: clamp(5rem, 12vw, 10rem);
  row-gap: clamp(2.5rem, 5vw, 4.5rem);
}

.invite__index {
  grid-column: 1 / 3;
  grid-row: 1;
}

.invite__title {
  grid-column: 3 / 12;
  grid-row: 1;
  font-weight: 700;
  font-size: clamp(2.25rem, 6.6vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  max-width: 11ch;
}

/* Editorial button: plain type, hairline underline, no box */
.invite__button {
  grid-column: 3 / 12;
  grid-row: 2;
  justify-self: start;
  display: inline-flex;
  align-items: baseline;
  gap: 1.25rem;
  min-height: 48px;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: clamp(0.8125rem, 0.75rem + 0.25vw, 0.9375rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: gap 500ms var(--ease), color 300ms var(--ease);
}

.invite__arrow {
  font-family: var(--sans);
  display: inline-block;
}

/* The only hover effect on the page: the arrow drifts a little further away */
@media (hover: hover) {
  .invite__button:hover {
    gap: 2.25rem;
  }
}

.invite__button:focus-visible,
.break__back:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 6px;
}

/* =========================================================
   PAUSE MODE
   ========================================================= */
.break {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  background: var(--paper);
  opacity: 0;
  transition: opacity var(--t-slow) var(--ease);
}

.break.is-open {
  opacity: 1;
}

.break__inner {
  text-align: center;
  transform: translateY(12px);
  transition: transform var(--t-slow) var(--ease);
}

.break.is-open .break__inner {
  transform: none;
}

.break__title {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 0.95;
  outline: none;
}

.break__good {
  display: block;
  font-size: clamp(3rem, 9vw, 8rem);
}

.break__line {
  display: block;
  margin-top: 0.5em;
  font-size: clamp(1.125rem, 2.4vw, 2.125rem);
  letter-spacing: -0.02em;
}

.break__note {
  margin-top: clamp(1.25rem, 2.5vw, 2rem);
  font-size: clamp(0.9375rem, 0.85rem + 0.3vw, 1.125rem);
  color: var(--muted);
}

.break__back {
  position: absolute;
  left: 50%;
  bottom: clamp(1.5rem, 5vh, 3rem);
  min-height: 48px;
  padding: 0.75rem 0.25rem;
  white-space: nowrap;
  color: var(--ink);
  border-bottom: 1px solid currentColor;
  opacity: 0;
  transform: translate(-50%, 6px);
  transition: opacity 1600ms var(--ease), transform 1600ms var(--ease), color 300ms var(--ease);
}

.break__back.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (hover: hover) {
  .break__back:hover {
    color: var(--muted);
  }
}

/* Lock page scroll while pausing (position is restored by JS) */
html.is-paused,
html.is-paused body {
  overflow: hidden;
}

/* =========================================================
   REVEAL ANIMATIONS
   Only applied when JS runs (html.js), so the page is fully
   readable without JavaScript.
   ========================================================= */
.js .reveal-intro {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}

.js .reveal-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

.js .reveal-intro.is-visible,
.js .reveal-scroll.is-visible {
  opacity: 1;
  transform: none;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* Tablet */
@media (max-width: 1024px) {
  .hero__lead {
    grid-column: 7 / 13;
  }

  .figure {
    grid-column: 4 / 12;
  }

  .invite__title {
    grid-column: 2 / 13;
  }

  .invite__button {
    grid-column: 2 / 13;
  }
}

/* Smartphone */
@media (max-width: 640px) {
  /* On phones the headline becomes a 4-line poster stack */
  .hero__title {
    font-size: 18.5vw;
    letter-spacing: -0.055em;
    line-height: 0.86;
  }

  .hero__line {
    white-space: normal;
  }

  .hero__line--indent {
    padding-left: 0;
  }

  .hero__lead {
    grid-column: 4 / 13;
    margin-top: 2rem;
  }

  .hero__caption {
    grid-column: 1 / 13;
    margin-top: 2.5rem;
  }

  .pause-visual {
    padding-top: 7rem;
    row-gap: 1.5rem;
  }

  .figure {
    grid-column: 2 / 13;
    grid-row: 2;
  }

  .invite {
    padding-top: 7rem;
    row-gap: 1.5rem;
  }

  .invite__title,
  .invite__button {
    grid-column: 1 / 13;
  }

  .invite__title {
    grid-row: 2;
    font-size: clamp(2.125rem, 11vw, 3.5rem);
  }

  .invite__button {
    grid-row: 3;
    margin-top: 1rem;
  }
}

/* Very narrow screens: keep the long line from overflowing */
@media (max-width: 360px) {
  .hero__title {
    font-size: 17.5vw;
  }
}

/* =========================================================
   REDUCED MOTION — no movement, near-instant fades
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }

  .js .reveal-intro,
  .js .reveal-scroll,
  .break__inner {
    transform: none;
  }

  .break__back,
  .break__back.is-visible {
    transform: translate(-50%, 0);
  }
}