/* =========================================================
   Aitana Garcia · Portfolio
   Tokens mirror the "Aitana Garcia" design system (tokens.json v2).
   ========================================================= */

/* Self-hosted fonts (latin subset from the design system, includes ñ and accents) */
@font-face { font-family: "Instrument Serif"; src: url("../fonts/InstrumentSerif-Regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("../fonts/InstrumentSerif-Italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Geist"; src: url("../fonts/GeistSans-Regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Geist"; src: url("../fonts/GeistSans-Medium.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }

:root {
  /* color */
  --paper: #ffffff;
  --paper-alt: #f5f5f5;
  --ink: #0a0a0a;
  --ink-muted: #5c5c5c;
  --line: #e5e5e5;
  --line-strong: var(--ink);
  --accent: #6b1d2e;
  --accent-ink: #6b1d2e;
  --on-accent: #ffffff;
  --focus-ring: var(--accent);

  /* type */
  --serif: "Instrument Serif", "Times New Roman", Georgia, serif;
  --sans: "Geist", "Inter", system-ui, -apple-system, sans-serif;

  /* spacing */
  --space-1: 4px;  --space-2: 8px;  --space-3: 16px; --space-4: 24px;
  --space-5: 40px; --space-6: 64px; --space-7: 120px;
  --margin: var(--space-5);
  --section: var(--space-7);
  --header: 72px;

  /* radius */
  --radius-sm: 2px;
  --radius-pill: 999px;

  /* motion */
  --ease: cubic-bezier(.2, .7, 0, 1);
  --ease-pop: cubic-bezier(.3, 1.4, .5, 1);

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0a0a0a;
    --paper-alt: #171717;
    --ink: #fafafa;
    --ink-muted: #a3a3a3;
    --line: #262626;
    --accent: #b3405a;
    --accent-ink: #d9869a;
  }
}

@media (max-width: 720px) {
  :root { --margin: var(--space-3); --section: var(--space-6); --header: 60px; }
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 400; }
em { font-style: italic; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
::selection { background: var(--accent); color: var(--on-accent); }

.wrap { width: 100%; max-width: 1520px; margin-inline: auto; padding-inline: var(--margin); }

.skip {
  position: fixed; left: var(--space-3); top: var(--space-3); z-index: 100;
  background: var(--accent); color: var(--on-accent); padding: 12px 18px; border-radius: var(--radius-pill);
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

/* ---------- type ---------- */
.display, .h1, .h2, .h3, .footer-title, .psr-text, .metric-val, .next-title, .stack-title, .big-link, .intro-headline, .display-sm {
  font-family: var(--serif); font-weight: 400;
}
.display { font-size: clamp(56px, 9vw, 96px); line-height: .95; letter-spacing: -0.02em; }
.h1 { font-size: clamp(48px, 8vw, 96px); line-height: .95; letter-spacing: -0.02em; }
.h2 { font-size: clamp(32px, 4vw, 40px); line-height: 1.1; letter-spacing: -0.01em; }
.h3 { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.2; }
.lead { font-size: clamp(18px, 1.6vw, 20px); line-height: 1.5; color: var(--ink-muted); max-width: 52ch; }
.small { font-size: 14px; line-height: 1.5; color: var(--ink-muted); }
.label {
  font: 500 12px/1.3 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted);
}
.label .num, .num { color: var(--accent-ink); }
.muted { color: var(--ink-muted); }
.display em, .footer-title em, .intro-lead em { color: var(--accent-ink); }

.i { width: 1.1em; height: 1.1em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: square; }

.link {
  text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 4px;
  display: inline-flex; align-items: center; gap: 6px; transition: color .2s;
}
.link:hover, .link-quiet:hover { color: var(--accent-ink); }
.link-quiet { display: inline-flex; align-items: center; gap: 8px; font: 500 15px/1 var(--sans); transition: color .2s; }

.btn {
  display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 14px 24px;
  border-radius: var(--radius-pill); border: 1px solid transparent; cursor: pointer;
  font: 500 15px/1 var(--sans); transition: transform .3s var(--ease), background-color .2s;
}
.btn .i { transition: transform .4s var(--ease); }
.btn:hover .i { transform: translateX(4px); }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-secondary { background: transparent; border-color: var(--line-strong); }

.tags { display: flex; flex-wrap: wrap; gap: var(--space-2); list-style: none; margin: var(--space-2) 0 0; padding: 0; }
.tags li { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 6px 10px; font-size: 13px; line-height: 1.2; }

.pip { display: inline-block; width: 6px; height: 6px; background: var(--accent); margin-right: 10px; vertical-align: 1px; }
.img-missing { display: grid; place-items: center; aspect-ratio: 4 / 3; background: var(--paper-alt); color: var(--ink-muted); font-size: 13px; }

.section-head {
  display: flex; align-items: baseline; gap: var(--space-3);
  padding-bottom: var(--space-3); border-bottom: 1px solid var(--line-strong);
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header);
  background: var(--paper); view-transition-name: site-header;
  transition: transform .45s var(--ease), border-color .3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.site-header.is-hidden { transform: translateY(-100%); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.logo { font: 400 26px/1 var(--serif); letter-spacing: -0.01em; white-space: nowrap; }
.logo .dot { color: var(--accent); }
.nav { display: flex; align-items: center; gap: var(--space-5); font: 500 15px/1 var(--sans); }
.nav > a { padding-block: 14px; transition: color .2s; }
.nav > a:hover { color: var(--accent-ink); }
.nav > a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 6px; }
.lang { display: inline-flex; align-items: center; gap: 2px; color: var(--ink-muted); }
.lang a { padding: 14px 6px; transition: color .2s; }
.lang a:hover { color: var(--ink); }
.lang a[aria-current="true"] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 6px; }
@media (max-width: 720px) {
  .logo { font-size: 22px; }
  .nav { gap: var(--space-3); font-size: 14px; }
}

/* ---------- home: intro ---------- */
.intro {
  min-height: calc(100svh - var(--header));
  display: flex; flex-direction: column; gap: var(--space-5);
  padding-block: var(--space-5) var(--space-6);
}
.intro-name {
  margin-top: auto; font-family: var(--serif); font-weight: 400;
  font-size: clamp(64px, 15vw, 224px); line-height: .88; letter-spacing: -0.035em;
}
.intro-name .dot { color: var(--accent); }
.intro-headline {
  font-size: clamp(28px, 3.4vw, 52px); line-height: 1.08; letter-spacing: -0.015em; max-width: 26ch;
}
:lang(es) .intro-headline { max-width: 31ch; }
.intro-name .w, .intro-headline .w { display: inline-block; }
.intro-lead { font-size: clamp(18px, 1.6vw, 20px); line-height: 1.5; color: var(--ink-muted); max-width: 44ch; }
.intro-lead em { font-family: var(--serif); font-size: 1.25em; line-height: 1; }
.js .intro-name .w, .js .intro-headline .w { opacity: 0; transform: translateY(.4em); animation: rise 1s var(--ease) forwards; animation-delay: calc(var(--i) * 30ms + 80ms); }
.js .intro-name .w { transform: translateY(.25em); animation-duration: 1.2s; }
.js .intro-lead { opacity: 0; animation: fade 1s var(--ease) 1.1s forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes fade { to { opacity: 1; } }

/* ---------- home: stacking websites ---------- */
.selected .section-head { margin-bottom: var(--space-5); }
.stack { position: relative; }
.stack-card {
  position: sticky; top: 0; display: block; height: 100svh; overflow: hidden;
  background: var(--paper-alt); isolation: isolate;
}
.stack-inner { position: absolute; inset: 0; transform: scale(var(--s, 1)); transform-origin: 50% 0; will-change: transform; }
.stack-img, .stack-img img { width: 100%; height: 100%; }
.stack-img img { object-fit: cover; object-position: top center; }
.stack-shade { position: absolute; inset: 0; background: var(--paper); opacity: var(--shade, 0); pointer-events: none; }
.stack-meta {
  position: absolute; left: var(--margin); top: var(--space-4); z-index: 1;
  display: flex; align-items: baseline; gap: var(--space-3);
  background: var(--paper); padding: 14px 20px; border: 1px solid var(--line);
}
.stack-title { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.1; }
.stack-card:hover .stack-img img { transform: scale(1.015); }
.stack-img img { transition: transform 1.2s var(--ease); }

@media (max-width: 720px) {
  .stack { display: grid; gap: var(--space-2); padding-inline: var(--margin); }
  .stack-card { position: relative; height: auto; aspect-ratio: 16 / 11; }
  .stack-inner { transform: none; }
  .stack-meta { left: var(--space-2); top: auto; bottom: var(--space-2); padding: 10px 14px; }
}

/* ---------- home: work index ---------- */
.index { padding-top: var(--section); scroll-margin-top: var(--header); }
.index-head { justify-content: space-between; align-items: flex-end; flex-wrap: wrap; row-gap: var(--space-4); }
.chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip {
  min-height: 44px; padding: 10px 18px; border-radius: var(--radius-pill); cursor: pointer;
  background: transparent; border: 1px solid var(--line); font: 500 15px/1 var(--sans);
  transition: background-color .25s, color .25s, border-color .25s;
}
.chip-count { margin-left: 6px; color: var(--ink-muted); font-variant-numeric: tabular-nums; transition: color .25s; }
.chip:hover { border-color: var(--line-strong); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip[aria-pressed="true"] .chip-count { color: inherit; opacity: .6; }

.grid {
  list-style: none; margin: var(--space-5) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6) var(--space-4);
}
.card.is-hidden { display: none; }
.card-link { display: block; }
.card-media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-alt); margin-bottom: var(--space-3); }
.card-media picture, .card-media img { width: 100%; height: 100%; }
.card-media img { object-fit: cover; transition: transform 1s var(--ease); }
.card-link:hover .card-media img { transform: scale(1.045); }
.card .label { margin-bottom: var(--space-2); }
.card-link:hover .h3 { color: var(--accent-ink); }
.card .h3 { transition: color .25s; }
@media (max-width: 1100px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .intro { min-height: 0; padding-top: var(--space-6); gap: var(--space-4); }
}

/* "View" cursor label (fine pointers only; JS adds .is-on) */
.cursor { position: fixed; left: 0; top: 0; z-index: 60; pointer-events: none; display: none; transform: translate3d(-200px, -200px, 0); }
@media (hover: hover) and (pointer: fine) { .js .cursor { display: block; } }
.cursor span {
  display: block; transform: translate(14px, 18px) scale(0); transform-origin: 0 0; transition: transform .35s var(--ease);
  background: var(--accent); color: var(--on-accent); border-radius: var(--radius-pill);
  font: 500 13px/1 var(--sans); padding: 10px 16px;
}
.cursor.is-on span { transform: translate(14px, 18px) scale(1); }

/* ---------- footer ---------- */
.site-footer { margin-top: var(--section); border-top: 1px solid var(--line); background: var(--paper-alt); }
.footer-cta { padding-top: var(--section); }
.footer-title { font-size: clamp(44px, 7vw, 96px); line-height: .95; letter-spacing: -0.02em; max-width: 14ch; }
.footer-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4); margin-top: var(--space-5); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3);
  margin-top: var(--section); padding-block: var(--space-4); border-top: 1px solid var(--line);
}
.page-contact .footer-bottom, .page-notfound .footer-bottom { margin-top: 0; border-top: 0; }

/* ---------- detail: shared ---------- */
.detail-head { padding-top: var(--space-5); }
.back { margin-bottom: var(--space-6); color: var(--ink-muted); }
.detail-head .label { margin-bottom: var(--space-3); }
.detail-head .lead { margin-top: var(--space-4); }
.meta {
  display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-6); margin: var(--space-6) 0 0;
  padding-top: var(--space-3); border-top: 1px solid var(--line-strong);
}
.meta dd { margin: 6px 0 0; }
.status { display: inline-flex; align-items: center; }
.js .detail-head > * { opacity: 0; transform: translateY(24px); animation: rise .9s var(--ease) forwards; }
.js .detail-head > :nth-child(2) { animation-delay: .06s; }
.js .detail-head > :nth-child(3) { animation-delay: .12s; }
.js .detail-head > :nth-child(4) { animation-delay: .2s; }
.js .detail-head > :nth-child(5) { animation-delay: .28s; }

.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5) var(--space-4); padding-top: var(--space-6); }
.facts p:not(.label) { margin-top: var(--space-2); }
@media (max-width: 720px) { .facts { grid-template-columns: 1fr; } }

.next { margin-top: var(--section); }
.next-link { display: block; border-top: 1px solid var(--line-strong); padding-top: var(--space-4); }
.next-title {
  display: flex; align-items: center; gap: .25em; margin-top: var(--space-3);
  font-size: clamp(44px, 8vw, 96px); line-height: 1; letter-spacing: -0.02em; transition: color .3s;
}
.next-title .i { width: .6em; height: .6em; stroke-width: 1; transition: transform .5s var(--ease); }
.next-link:hover .next-title { color: var(--accent-ink); }
.next-link:hover .next-title .i { transform: translateX(.2em); }

/* scroll reveal */
.js .reveal { opacity: 0; transform: translateY(48px); transition: opacity .9s var(--ease), transform 1.1s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- detail: website archive viewer ---------- */
.viewer-wrap { margin-top: var(--space-6); }
.viewer { margin: 0; border: 1px solid var(--line); background: var(--paper); }
.viewer-bar {
  display: flex; align-items: center; gap: var(--space-3); height: 48px; padding: 0 2px 0 var(--space-3);
  background: var(--paper-alt); border-bottom: 1px solid var(--line);
}
.dots { display: flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.viewer-url {
  flex: 1; max-width: 460px; margin-inline: auto; padding: 5px 12px; text-align: center;
  background: var(--paper); border: 1px solid var(--line); font-size: 13px; color: var(--ink-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.icon-btn {
  width: 44px; height: 44px; display: grid; place-items: center; background: none; border: 0; cursor: pointer;
  transition: color .2s;
}
.icon-btn:hover { color: var(--accent-ink); }
.viewer-body { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper-alt); }
.viewer-poster, .viewer-poster img { width: 100%; height: 100%; }
.viewer-poster img { object-fit: cover; object-position: top center; transition: transform 1.2s var(--ease), filter .6s; }
.viewer-overlay { position: absolute; inset: 0; display: grid; place-items: center; }
.viewer-overlay .btn { transform: translateY(0); }
.viewer-body:hover .viewer-poster img { transform: scale(1.02); }
.viewer iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: var(--paper); opacity: 0; transition: opacity .6s; }
.viewer.is-live iframe.is-loaded { opacity: 1; }
.viewer.is-live .viewer-overlay { display: none; }
.viewer-overlay { align-content: center; justify-items: center; gap: var(--space-3); }
.viewer.is-loading .viewer-overlay [data-explore] { display: none; }
.viewer.is-error .viewer-overlay { grid-auto-flow: row; }
.viewer-state { order: -1; }
.viewer.is-loading .viewer-poster img { filter: saturate(.6) brightness(1.04); }
.viewer-state {
  display: inline-flex; align-items: center; gap: 10px; margin: 0; padding: 12px 20px;
  background: var(--paper); border: 1px solid var(--line-strong); border-radius: var(--radius-pill);
  font: 500 14px/1.2 var(--sans); color: var(--ink);
}
.viewer-state[hidden], .viewer-live[hidden] { display: none; }
.viewer-spin {
  width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--line); border-top-color: var(--accent);
  animation: viewer-spin .8s linear infinite;
}
.viewer-state[data-mode="error"] .viewer-spin { display: none; }
@keyframes viewer-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .viewer-spin { animation-duration: 2.4s !important; animation-iteration-count: infinite !important; } }
.viewer-loading { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.viewer-caption {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-3);
  padding: 12px var(--space-3); border-top: 1px solid var(--line);
}
.viewer:fullscreen { display: flex; flex-direction: column; border: 0; }
.viewer:fullscreen .viewer-body { flex: 1; aspect-ratio: auto; }
.viewer.is-fs-fallback { position: fixed; inset: 0; z-index: 90; display: flex; flex-direction: column; }
.viewer.is-fs-fallback .viewer-body { flex: 1; aspect-ratio: auto; }

/* ---------- detail: app ---------- */
.devices { padding-block: var(--space-6) var(--space-5); overflow: clip; --p: 1; }
.js .devices { --p: 0; }
.devices-stage { position: relative; height: clamp(440px, 60vw, 780px); max-width: 1520px; margin-inline: auto; --spread: clamp(120px, 22vw, 340px); }
.devices-stage:has(.device--desktop[data-pos="center"]) { --spread: clamp(150px, 31vw, 480px); height: clamp(360px, 46vw, 660px); }
.device {
  position: absolute; left: 50%; top: 50%; background: var(--paper); border: 1px solid var(--line-strong);
  transform: translate(-50%, -50%) translate(var(--tx, 0), var(--ty, 0)) rotate(var(--rot, 0deg));
  will-change: transform;
}
.device-screen { width: 100%; height: 100%; overflow: hidden; background: var(--paper-alt); }
.device-screen picture, .device-screen img { width: 100%; height: 100%; }
.device-screen img { object-fit: cover; object-position: top; }
.device--phone { width: clamp(140px, 20vw, 300px); aspect-ratio: 9 / 19.5; padding: 8px; border-radius: 34px; }
.device--phone .device-screen { border-radius: 26px; }
.device--desktop { width: clamp(280px, 56vw, 860px); aspect-ratio: 16 / 10.6; padding-top: 22px; }
.device--desktop::before {
  content: ""; position: absolute; top: 8px; left: 10px; width: 6px; height: 6px; border-radius: 50%;
  background: var(--line); box-shadow: 10px 0 var(--line), 20px 0 var(--line);
}
.device[data-pos="center"] { z-index: 2; --ty: calc(var(--p) * -28px); }
.device[data-pos="left"] { --tx: calc((.1 + .9 * var(--p)) * var(--spread) * -1); --ty: calc(var(--p) * 36px); --rot: calc(var(--p) * -7deg); }
.device[data-pos="right"] { --tx: calc((.1 + .9 * var(--p)) * var(--spread)); --ty: calc(var(--p) * 36px); --rot: calc(var(--p) * 7deg); }
.device--desktop ~ .device--phone, .device--phone:has(~ .device--desktop) { z-index: 3; }

.psr { padding-top: var(--space-6); }
.psr-item {
  display: grid; grid-template-columns: 3fr 9fr; gap: var(--space-4); align-items: baseline;
  padding-block: var(--space-6); border-top: 1px solid var(--line);
}
.psr-item:first-child { border-top-color: var(--line-strong); }
.psr-text { font-size: clamp(32px, 4.6vw, 64px); line-height: 1.05; letter-spacing: -0.015em; max-width: 22ch; }
.js .psr-item.reveal .label { opacity: 0; transition: opacity .8s var(--ease) .1s; }
.js .psr-item.reveal.is-in .label { opacity: 1; }
.psr-item:last-child .psr-text { color: var(--accent-ink); }
@media (max-width: 720px) { .psr-item { grid-template-columns: 1fr; gap: var(--space-3); padding-block: var(--space-5); } }

.gallery { padding-top: var(--section); }
.gallery-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-4); margin-top: var(--space-5); align-items: start; }
.shot { margin: 0; }
.shot picture { background: var(--paper-alt); padding: var(--space-5); }
.shot img { margin-inline: auto; border: 1px solid var(--line); }
.shot--phone { grid-column: span 4; }
.shot--desktop { grid-column: span 8; }
.shot figcaption { margin-top: 12px; }
@media (max-width: 720px) {
  .shot--phone { grid-column: span 6; }
  .shot--desktop { grid-column: span 12; }
  .shot picture { padding: var(--space-3); }
}

/* ---------- detail: automation ---------- */
.metric { display: grid; gap: var(--space-4); padding-block: var(--space-6) var(--space-5); }
.metric-col .label { margin-bottom: var(--space-2); }
.metric-val { line-height: .9; letter-spacing: -0.03em; }
.metric-before .metric-val { font-size: clamp(36px, 6vw, 88px); color: var(--ink-muted); }
.metric-after .metric-val { font-size: clamp(72px, 15vw, 220px); color: var(--accent-ink); }
.metric-arrow { display: block; width: clamp(36px, 5vw, 72px); color: var(--ink-muted); transform: rotate(90deg); }
.metric-arrow .i { width: 100%; height: auto; stroke-width: 1; }
.js .metric .metric-arrow { opacity: 0; transform: rotate(90deg) translateX(-20px); transition: opacity .8s var(--ease) .6s, transform 1s var(--ease) .6s; }
.js .metric.is-in .metric-arrow { opacity: 1; transform: rotate(90deg); }
.strike { position: relative; display: inline-block; }
.strike::after {
  content: ""; position: absolute; left: -2%; right: -2%; top: 55%; height: max(2px, .05em); background: currentColor;
  transform-origin: left; transform: scaleX(var(--strike, 1));
}
.js .metric .strike { --strike: 0; }
.js .metric.is-in .strike::after { transform: scaleX(1); transition: transform .9s var(--ease) .3s; }
.js .metric .metric-after .metric-val { opacity: 0; transform: translateY(.15em); transition: opacity 1s var(--ease) .8s, transform 1.2s var(--ease) .8s; }
.js .metric.is-in .metric-after .metric-val { opacity: 1; transform: none; }

.flow { padding-top: var(--space-6); }
.flow-stage { margin-top: var(--space-6); }
.flow-svg { width: 100%; height: auto; overflow: visible; }
.flow-svg--v { display: none; max-width: 320px; margin-inline: auto; }
@media (max-width: 900px) { .flow-svg--h { display: none; } .flow-svg--v { display: block; } }
.flow-node rect { fill: var(--paper); stroke: var(--line-strong); stroke-width: 1; }
.flow-node--trigger rect, .flow-node--outcome rect { fill: var(--paper-alt); }
.fn-label { font: 500 11px var(--sans); letter-spacing: .08em; fill: var(--ink-muted); }
.flow-node--outcome .fn-label { fill: var(--accent-ink); }
.fn-title { font: 400 25px var(--serif); fill: var(--ink); }
.fn-tool { font: 400 13px var(--sans); fill: var(--ink-muted); }
.flow-line { fill: none; stroke: var(--line-strong); stroke-width: 1.5; stroke-dasharray: 1; stroke-dashoffset: 0; }
.flow-pulse { fill: var(--accent); opacity: 0; transition: opacity .4s; }
.flow.is-live .flow-pulse { opacity: 1; }
.js .flow-line { stroke-dashoffset: 1; }
.js .flow-node { opacity: 0; transform: translateY(10px) scale(.94); transform-box: fill-box; transform-origin: center; transition: opacity .5s var(--ease), transform .7s var(--ease-pop); }
.js .flow-node.is-on { opacity: 1; transform: none; }

.systems { margin-top: var(--section); padding-block: var(--space-5); border-block: 1px solid var(--line); }
.marquee {
  overflow: hidden; margin-top: var(--space-4);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track { display: flex; width: max-content; animation: marquee 30s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee ul { display: flex; list-style: none; margin: 0; padding: 0; }
.marquee li { font: 400 clamp(44px, 7vw, 104px)/1.1 var(--serif); letter-spacing: -0.02em; white-space: nowrap; padding-right: .7em; }
.marquee li::after { content: ""; display: inline-block; width: .12em; height: .12em; margin-left: .7em; vertical-align: .3em; background: var(--line-strong); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- contact ---------- */
.contact { padding-top: var(--space-6); }
.contact .label { margin-bottom: var(--space-3); }
.contact .lead { margin-top: var(--space-4); }
.contact-links { list-style: none; margin: var(--space-6) 0 0; padding: 0; display: grid; }
.contact-links li {
  display: grid; grid-template-columns: 160px 1fr; align-items: baseline; gap: var(--space-3);
  padding-block: var(--space-3); border-top: 1px solid var(--line);
}
.contact-links li:last-child { border-bottom: 1px solid var(--line); }
.big-link {
  font-size: clamp(28px, 4vw, 48px); line-height: 1.1; overflow-wrap: anywhere; justify-self: start;
  text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 6px;
  transition: color .2s;
}
.big-link:hover { color: var(--accent-ink); }
@media (max-width: 720px) { .contact-links li { grid-template-columns: 1fr; gap: var(--space-2); } }

.contact-grid {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: var(--space-6);
  margin-top: var(--space-6); align-items: start;
}
.contact-aside { border-top: 1px solid var(--line-strong); padding-top: var(--space-3); }
.contact-aside > .label { margin-bottom: var(--space-3); }
.contact-aside .contact-links { margin-top: 0; }
.contact-aside .contact-links li { grid-template-columns: 1fr; gap: var(--space-2); }
.contact-aside .big-link { font-size: clamp(24px, 2.4vw, 32px); }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.form { display: grid; gap: var(--space-4); }
.form fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.form legend { padding: 0; margin-bottom: var(--space-3); }
.field { display: grid; gap: var(--space-2); align-content: start; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
@media (max-width: 720px) { .field-row { grid-template-columns: 1fr; } }
.field input, .field textarea {
  width: 100%; padding: 14px 16px; border: 1px solid var(--line-strong); border-radius: 0;
  background: var(--paper); color: var(--ink); font: 400 16px/1.5 var(--sans);
  -webkit-appearance: none; appearance: none;
}
.field textarea { min-height: 168px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-muted); }
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--accent); }
.chip-opt { position: relative; display: inline-flex; }
.chip-opt input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.chip-opt .chip { pointer-events: none; }
.chip-opt input:checked + .chip { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip-opt input:focus-visible + .chip { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.chip-opt:hover .chip { border-color: var(--line-strong); }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4); }
.form .btn[disabled] { opacity: .7; cursor: progress; }
.form-error { color: var(--accent-ink); }
.form-done { border-top: 1px solid var(--line-strong); padding-top: var(--space-5); }
.form-done:focus { outline: none; }
.display-sm { font-size: clamp(44px, 6vw, 80px); line-height: .95; letter-spacing: -0.02em; margin-bottom: var(--space-3); }
.display-sm em { color: var(--accent-ink); }
.js .form-done:not([hidden]) { animation: rise .9s var(--ease) both; }

.playground {
  position: relative; height: clamp(520px, 78svh, 820px); margin-top: var(--section);
  border-top: 1px solid var(--line-strong); overflow: hidden;
}
.playground-hint { position: absolute; left: 0; right: 0; top: var(--space-4); pointer-events: none; }
.toss {
  --tw: clamp(130px, 17vw, 240px);
  position: absolute; width: var(--tw);
  left: calc((100% - var(--tw) - 8px) * var(--x));
  top: calc(56px + (100% - 56px - var(--tw) * .75 - 24px) * var(--y));
  padding: 8px; background: var(--paper); border: 1px solid var(--line);
  transform: translate(var(--dx, 0px), var(--dy, 0px)) rotate(var(--r)) scale(var(--sc, 1));
  transition: transform .5s var(--ease-pop), border-color .2s;
  cursor: grab; touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
}
.toss img { pointer-events: none; -webkit-user-drag: none; aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.toss:hover { border-color: var(--line-strong); }
.toss.is-drag { cursor: grabbing; transition: none; --sc: 1.05; border-color: var(--line-strong); }
.js .toss { opacity: 0; --sc: .85; }
.js .playground.is-in .toss { opacity: 1; --sc: 1; transition: transform .7s var(--ease-pop), opacity .5s; transition-delay: calc(var(--n, 0) * 70ms); }
.js .playground.is-in .toss.is-drag, .js .playground.is-in .toss.was-dragged { transition-delay: 0s; }
.js .playground.is-in .toss.is-drag { transition: none; --sc: 1.05; }

/* ---------- page transitions ---------- */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-out .3s var(--ease) both; }
::view-transition-new(root) { animation: vt-in .55s var(--ease) both; }
::view-transition-group(*) { animation-duration: .6s; animation-timing-function: var(--ease); }
@keyframes vt-out { to { opacity: 0; transform: translateY(-10px); } }
@keyframes vt-in { from { opacity: 0; transform: translateY(14px); } }
@supports not (view-transition-name: none) {
  .js main { animation: vt-in .55s var(--ease) both; }
}

/* ---------- reduced motion: final static states ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after, ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) {
    animation-duration: .001ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; transition-delay: 0s !important;
  }
  .stack { display: grid; gap: var(--space-2); padding-inline: var(--margin); }
  .stack-card { position: relative; height: auto; aspect-ratio: 16 / 10; }
  .stack-inner { transform: none !important; }
  .stack-shade { opacity: 0 !important; }
  .js .devices { --p: 1; }
  .js .reveal, .js .flow-node, .js .toss, .js .metric .metric-after .metric-val { opacity: 1; transform: none; }
  .js .toss { --sc: 1; }
  .js .flow-line { stroke-dashoffset: 0 !important; }
  .js .metric .strike { --strike: 1; }
  .flow-pulse { display: none; }
  .marquee { -webkit-mask-image: none; mask-image: none; }
  .marquee-track { animation: none; width: auto; }
  .marquee ul { flex-wrap: wrap; }
  .marquee ul + ul { display: none; }
}

/* "Email copied" toast (mailto links also copy the address) */
.toast {
  position: fixed; left: 50%; bottom: var(--space-5); z-index: 80; margin: 0; padding: 12px 20px;
  background: var(--ink); color: var(--paper); border-radius: var(--radius-pill); font: 500 14px/1 var(--sans);
  transform: translate(-50%, 16px); opacity: 0; pointer-events: none; transition: opacity .3s, transform .4s var(--ease);
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }