/* Dragonfruit Society — Sculptures
   Global stylesheet: tokens, reset, layout, and shared components.
   Ported from the Dragonfruit Society design system (DESIGN-SYSTEM.md). */

@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 380;
  font-display: swap;
  src: url('/fonts/hanken-grotesk-380.woff2') format('woff2');
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/hanken-grotesk-500.woff2') format('woff2');
}

:root {
  /* ---- colour — warm neutrals + one deep-violet accent ---- */
  --bg: #fbf9f5;
  --bg-sunk: #f2ede3;
  --bg-raised: #ffffff;
  --ink: #1a1714;
  --ink-soft: #6b635b;
  --ink-faint: #9a9089;
  --line: #e4ddd1;
  --line-strong: #d5ccbc;
  --accent: #23005a;
  --accent-soft: #efe9f7;
  --accent-ink: #fbf9f5;

  /* ---- type ---- */
  --font-sans: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI',
    Roboto, Helvetica, Arial, sans-serif;

  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
  --step-0: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.4rem);
  --step-2: clamp(1.45rem, 1.25rem + 1vw, 1.9rem);
  --step-3: clamp(1.85rem, 1.5rem + 1.75vw, 2.7rem);
  --step-4: clamp(2.3rem, 1.7rem + 3vw, 3.8rem);
  --step-5: clamp(2.9rem, 1.9rem + 5vw, 5.5rem);
  --step-6: clamp(3.4rem, 1.8rem + 8vw, 7.5rem);

  /* ---- space ---- */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;
  --sp-10: 8rem;
  --sp-11: 10rem;

  /* ---- layout ---- */
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --measure: 62ch;
  --content: 1280px;
  --wide: 1520px;

  --radius: 4px;
  --radius-lg: 10px;

  /* ---- motion ---- */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.55s;
}

/* ================= Reset & base ================= */

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  font-weight: 380;
  line-height: 1.6;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }

p { margin: 0 0 var(--sp-4); }

a { color: inherit; text-decoration: none; }

img, picture { display: block; max-width: 100%; }

ul, ol { margin: 0; padding: 0; list-style: none; }

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

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

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ================= Layout ================= */

.wrap {
  width: 100%;
  max-width: var(--content);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--wide { max-width: var(--wide); }

.measure { max-width: var(--measure); }

.stack > * + * { margin-top: var(--sp-4); }

/* ================= Type utilities ================= */

.eyebrow {
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.lede {
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--ink-soft);
  font-weight: 380;
}

/* ================= Links ================= */

.link-underline {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 1.5px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--dur) var(--ease), color 0.2s ease;
  padding-bottom: 2px;
}
.link-underline:hover,
.link-underline:focus-visible {
  background-size: 100% 1.5px;
  color: var(--accent);
}
.link-underline[data-active] {
  background-size: 100% 1.5px;
  color: var(--accent);
}

/* ================= Buttons ================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.7em 1.3em;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  transform: translateY(-2px);
}

/* ================= Skip link ================= */

.skip-link {
  position: fixed; top: 0; left: 0;
  padding: 0.6em 1em;
  background: var(--accent); color: var(--accent-ink);
  font-size: var(--step--1);
  transform: translateY(-120%);
  transition: transform 0.2s var(--ease);
  z-index: 100;
}
.skip-link:focus { transform: translateY(0); }

/* ================= Header ================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.site-header[data-scrolled] { border-bottom-color: var(--line); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  padding-block: var(--sp-4);
}

.site-header__id {
  display: flex;
  align-items: baseline;
  gap: 0.5em;
}
.site-header__logo {
  height: 2.1rem;
  width: auto;
  display: block;
  flex-shrink: 0;
  align-self: center;
}
.site-header__name {
  font-size: calc(var(--step-0) * 1.75);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
}
.site-header__subname {
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.25rem);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.02em;
}

@media (max-width: 600px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-3);
  }
  .site-header__nav { flex-wrap: wrap; gap: var(--sp-4); }
}

/* ================= Footer ================= */

.site-footer {
  margin-top: var(--sp-11);
  border-top: 1px solid var(--line);
  padding-block: var(--sp-9) var(--sp-7);
}
.site-footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--sp-7); }
.site-footer__cta {
  display: inline-block; margin-top: var(--sp-3); font-size: var(--step-3);
  font-weight: 500; letter-spacing: -0.02em; transition: color 0.25s var(--ease);
}
.site-footer__cta span { display: inline-block; transition: transform 0.35s var(--ease); }
.site-footer__cta:hover { color: var(--accent); }
.site-footer__cta:hover span { transform: translateX(0.35em); }
.site-footer__meta { display: flex; flex-direction: column; gap: var(--sp-5); text-align: right; }
.site-footer__socials { display: flex; gap: var(--sp-5); font-weight: 500;
  font-size: var(--step--1); letter-spacing: 0.02em; }
.site-footer__fine { margin: 0; font-size: var(--step--1); color: var(--ink-soft); line-height: 1.7; }

@media (max-width: 640px) {
  .site-footer__meta { text-align: left; align-items: flex-start; }
}

/* ================= Reveal ================= */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

/* ================= View transitions ================= */

@view-transition { navigation: auto; }

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.4s;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ================= Portfolio grid & card ================= */

.grid {
  column-gap: clamp(1.25rem, 4vw, 3.5rem);
  column-count: 1;
}
@media (min-width: 780px) {
  .grid { column-count: 2; }
}

.card {
  display: block;
  margin: 0 0 clamp(1.25rem, 4vw, 3.5rem);
  break-inside: avoid;
}
.card__frame {
  overflow: hidden;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin: 0;
}
.card__frame img {
  width: 100%;
  height: auto;
  transition: transform 0.9s var(--ease), filter 0.9s var(--ease);
}
.card:hover .card__frame img,
.card:focus-visible .card__frame img {
  transform: scale(1.035);
}
.card__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}
.card__title {
  font-size: var(--step-2);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.card__title-inner {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 1.5px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.6s var(--ease);
  padding-bottom: 1px;
}
.card:hover .card__title-inner,
.card:focus-visible .card__title-inner { background-size: 100% 1.5px; }
.card__specs {
  text-align: right;
  font-size: var(--step--1);
  color: var(--ink-soft);
  white-space: nowrap;
}
.card__specs span { display: block; color: var(--ink-faint); }

.card--full { column-span: all; }
.card--full .card__frame {
  width: fit-content;
  margin-inline: auto;
  background: var(--bg-sunk);
}
.card--full .card__frame img {
  max-height: calc(100vh - 17rem);
  width: auto;
}

@media (max-width: 640px) {
  .card__meta { flex-direction: column; align-items: flex-start; gap: var(--sp-1); }
  .card__specs { text-align: left; }
}

/* ================= Reduced motion ================= */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .reveal { opacity: 1; transform: none; }
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) { animation: none !important; }
}