/* ============================================================
   Save Bird Place — campaign site
   Standalone design system. Register: brand.
   Concept: a dignified heritage dossier violated by placard yellow.
   ============================================================ */

:root {
  --paper:      oklch(0.965 0.008 85);
  --paper-2:    oklch(0.932 0.013 84);
  --ink:        oklch(0.215 0.012 60);
  --ink-2:      oklch(0.42 0.012 60);
  --signal:     oklch(0.855 0.16 90);
  --signal-2:   oklch(0.81 0.165 88);
  --signal-ink: oklch(0.19 0.03 88);
  --thames:     oklch(0.46 0.045 172);
  --thames-2:   oklch(0.35 0.04 175);
  --hairline:   oklch(0.22 0.012 60 / 0.14);
  --refused:    oklch(0.5 0.16 28);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  --measure: 62ch;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --maxw: 78rem;
  --shadow-1: 0 1px 2px oklch(0.22 0.012 60 / 0.05), 0 10px 24px oklch(0.22 0.012 60 / 0.09);
  --shadow-2: 0 2px 6px oklch(0.22 0.012 60 / 0.08), 0 24px 50px oklch(0.22 0.012 60 / 0.14);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* faint paper grain over the whole page */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0.5; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}
main, .site-head, .site-foot, .sticky-cta { position: relative; z-index: 2; }

img { max-width: 100%; display: block; }
a { color: var(--thames-2); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--thames); }
.mono { font-family: var(--mono); }

.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--paper); padding: 0.6rem 1rem; z-index: 100; }
.skip:focus { left: 0; }

/* ---------- section shell ---------- */
.section { padding: clamp(3.75rem, 9vw, 8rem) var(--gutter); max-width: var(--maxw); margin-inline: auto; }
.section--band { background: var(--paper-2); max-width: none; border-block: 1px solid var(--hairline); }
.section--band > * { max-width: var(--maxw); margin-inline: auto; }

.eyebrow {
  display: flex; align-items: center; gap: 0.7rem;
  font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--thames-2); margin: 0 0 1.2rem;
}
.eyebrow__rule { width: 2rem; height: 1px; background: currentColor; opacity: 0.55; flex: none; }
.eyebrow--light { color: oklch(0.9 0.04 92); }
.eyebrow--dark { color: var(--signal-ink); opacity: 0.72; }

.section__title {
  font-family: var(--serif); font-optical-sizing: auto; font-weight: 500;
  font-size: clamp(2rem, 1.35rem + 3.5vw, 3.85rem); line-height: 1.03;
  letter-spacing: -0.018em; margin: 0 0 1.5rem; max-width: 20ch; text-wrap: balance;
}
.section__intro { max-width: 58ch; color: var(--ink-2); font-size: 1.1rem; margin: 0 0 2.75rem; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.8rem var(--gutter);
  background: oklch(0.965 0.008 85 / 0.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease), padding 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.site-head[data-scrolled] { border-bottom-color: var(--hairline); padding-block: 0.55rem; box-shadow: 0 6px 20px oklch(0.22 0.012 60 / 0.06); }
.brand { display: inline-flex; align-items: center; gap: 0.65rem; text-decoration: none; color: var(--ink); }
.brand__emblem { width: 44px; height: 44px; border-radius: 8px; box-shadow: var(--shadow-1); transition: transform 0.35s var(--ease); }
.brand:hover .brand__emblem { transform: rotate(-3deg) scale(1.03); }
.brand__words { display: inline-flex; flex-direction: column; line-height: 0.88; }
.brand__l1, .brand__l2 { font-family: var(--sans); font-weight: 800; letter-spacing: 0.07em; color: var(--ink); }
.brand__l1 { font-size: 0.76rem; }
.brand__l2 { font-size: 0.92rem; }
.site-nav { display: flex; align-items: center; gap: clamp(0.8rem, 2vw, 1.9rem); }
.site-nav a { font-family: var(--sans); font-weight: 700; font-size: 0.88rem; color: var(--ink); text-decoration: none; letter-spacing: 0.01em; }
.site-nav a:hover { color: var(--thames-2); }
.site-nav__cta { background: var(--ink); color: var(--paper) !important; padding: 0.5rem 0.95rem; border-radius: 3px; }
.site-nav__cta:hover { background: var(--thames-2); }
@media (max-width: 720px) { .site-nav a:not(.site-nav__cta) { display: none; } }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: grid; align-items: center;
  padding: clamp(5.5rem, 13vh, 9rem) var(--gutter) clamp(4rem, 10vh, 7rem);
  overflow: hidden; color: oklch(0.97 0.01 92);
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__photo {
  position: absolute; inset: -4%;
  background: url("/assets/photos/bird-front.jpg") center 38% / cover no-repeat;
  animation: kenburns 30s var(--ease) infinite alternate;
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 50% 12%, transparent, oklch(0.16 0.01 60 / 0.35) 78%),
    linear-gradient(180deg, oklch(0.14 0.012 60 / 0.55), oklch(0.12 0.01 60 / 0.62) 45%, oklch(0.1 0.008 60 / 0.82));
}
.hero__grain { position: absolute; inset: 0; opacity: 0.4; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.hero__inner { position: relative; z-index: 2; max-width: 54rem; margin-inline: auto; text-align: center; }
.hero .eyebrow { justify-content: center; }
.hero__sub {
  font-family: var(--serif); font-weight: 400; font-size: clamp(1.1rem, 0.98rem + 0.7vw, 1.5rem);
  line-height: 1.5; max-width: 40ch; margin: 1.9rem auto 0; color: oklch(0.95 0.012 92);
  text-shadow: 0 1px 20px oklch(0.1 0.01 60 / 0.4);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; margin-top: 2.3rem; }
.hero__scroll { position: absolute; bottom: 1.3rem; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 0.6rem; text-decoration: none; color: oklch(0.96 0.01 92); }
.hero__scroll-label { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; opacity: 0.85; }
.hero__scroll-dot { width: 24px; height: 38px; border: 2px solid oklch(0.95 0.01 92 / 0.55); border-radius: 12px; position: relative; }
.hero__scroll-dot::after { content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%); width: 4px; height: 8px; border-radius: 2px; background: var(--signal); animation: scrolldot 1.8s var(--ease) infinite; }
@keyframes kenburns { from { transform: scale(1) translate(0,0); } to { transform: scale(1.1) translate(-1.2%, -1.8%); } }
@keyframes scrolldot { 0% { opacity: 0; top: 8px; } 40% { opacity: 1; } 80% { opacity: 0; top: 22px; } 100% { opacity: 0; } }

/* ---------- banner (placard) ---------- */
.banner {
  background: var(--signal); color: var(--signal-ink);
  padding: clamp(1rem, 3vw, 2rem) clamp(1.2rem, 4vw, 3rem);
  max-width: 40rem; margin: 0 auto; transform: rotate(-0.5deg);
  box-shadow: 8px 10px 0 oklch(0.12 0.01 60 / 0.5), var(--shadow-2);
}
.banner p { margin: 0; font-family: var(--sans); text-transform: uppercase; }
.banner__l1 { font-weight: 800; letter-spacing: 0.005em; font-size: clamp(1.15rem, 0.85rem + 2vw, 2.1rem); line-height: 1.08; }
.banner__l2 { font-weight: 800; font-style: italic; letter-spacing: 0.005em; font-size: clamp(0.95rem, 0.7rem + 1.5vw, 1.6rem); line-height: 1.1; margin-top: 0.5em; }
.banner__tag { font-weight: 800; font-size: clamp(1.5rem, 1.05rem + 3vw, 3rem); line-height: 1; margin-top: 0.42em; text-transform: none; }

/* ---------- buttons ---------- */
.btn {
  --btn-bg: var(--ink); --btn-fg: var(--paper);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-weight: 700; font-size: 0.98rem; letter-spacing: 0.01em; text-decoration: none;
  padding: 0.85rem 1.5rem; border-radius: 3px; border: 2px solid transparent;
  background: var(--btn-bg); color: var(--btn-fg); cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { --btn-bg: var(--signal); --btn-fg: var(--signal-ink); box-shadow: 3px 3px 0 var(--signal-ink); }
.btn--primary:hover { --btn-bg: var(--signal-2); box-shadow: 5px 5px 0 var(--signal-ink); }
.btn--ghost { --btn-bg: oklch(0.97 0.01 92 / 0.06); --btn-fg: oklch(0.97 0.01 92); border-color: oklch(0.95 0.01 92 / 0.55); }
.btn--ghost:hover { --btn-bg: oklch(0.97 0.01 92 / 0.16); }
.btn--dark { --btn-bg: var(--signal-ink); --btn-fg: var(--signal); }
.btn--dark:hover { --btn-bg: oklch(0.1 0.01 88); }
.btn--dark-ghost { --btn-bg: transparent; --btn-fg: var(--signal-ink); border-color: oklch(0.19 0.03 88 / 0.45); }
.btn--dark-ghost:hover { --btn-bg: oklch(0.19 0.03 88 / 0.08); }
.btn--outline { --btn-bg: transparent; --btn-fg: var(--ink); border-color: var(--ink); }
.btn--outline:hover { --btn-bg: var(--ink); --btn-fg: var(--paper); }

/* ---------- story ---------- */
.prose { max-width: var(--measure); }
.prose p { margin: 0 0 1.3rem; }
.prose__lead { font-size: clamp(1.25rem, 1.05rem + 1vw, 1.7rem); line-height: 1.45; color: var(--ink); font-weight: 500; }
.prose__lead::first-letter { }
.pullquote { margin: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 5vw, 3.5rem); padding-left: clamp(1rem, 3vw, 2.5rem); border-left: 3px solid var(--thames); max-width: 46ch; }
.pullquote blockquote { margin: 0; font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(1.35rem, 1.1rem + 1.4vw, 2rem); line-height: 1.35; color: var(--thames-2); }
.story__facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); margin: 1rem 0 0; }
.fact { background: var(--paper); padding: 1.15rem 1.25rem; display: flex; flex-direction: column; gap: 0.3rem; margin: 0; }
.fact__k { font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-2); margin: 0; }
.fact__v { font-family: var(--serif); font-weight: 600; font-size: 1.35rem; margin: 0; }

/* ---------- setting (aerial band) ---------- */
.setting { position: relative; min-height: clamp(24rem, 62vh, 40rem); display: grid; align-items: end; overflow: hidden; color: oklch(0.97 0.01 92); }
.setting__photo { position: absolute; inset: 0; background: url("/assets/photos/bird-aerial.jpg") center / cover no-repeat; }
.setting__scrim { position: absolute; inset: 0; background: linear-gradient(180deg, oklch(0.12 0.01 60 / 0.15) 0%, transparent 30%, oklch(0.12 0.01 60 / 0.72) 100%); }
.setting__caption { position: relative; z-index: 2; max-width: var(--maxw); width: 100%; margin-inline: auto; padding: 0 var(--gutter) clamp(2.5rem, 6vw, 4.5rem); }
.setting__line { font-family: var(--serif); font-size: clamp(1.2rem, 1rem + 1vw, 1.8rem); line-height: 1.4; max-width: 30ch; margin: 0; text-shadow: 0 1px 24px oklch(0.1 0.01 60 / 0.5); }
.setting__credit { position: absolute; z-index: 2; right: var(--gutter); top: 1rem; margin: 0; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; color: oklch(0.98 0.01 92 / 0.85); text-transform: uppercase; text-shadow: 0 1px 6px oklch(0.1 0.01 60 / 0.8); }
@media (min-width: 900px) { .setting { background-attachment: fixed; } .setting__photo { background-attachment: fixed; } }

/* ---------- evidence gallery ---------- */
.gallery { columns: 3 16rem; column-gap: 1rem; }
.shot { break-inside: avoid; margin: 0 0 1rem; background: var(--paper); box-shadow: var(--shadow-1); border: 1px solid var(--hairline); overflow: hidden; transition: box-shadow 0.35s var(--ease), transform 0.35s var(--ease); }
.shot:hover { box-shadow: var(--shadow-2); transform: translateY(-3px); }
.shot__img { width: 100%; height: auto; display: block; }
.shot--placeholder { background: repeating-linear-gradient(45deg, oklch(0.885 0.012 84) 0 12px, oklch(0.85 0.014 84) 12px 24px); position: relative; }
.shot--placeholder::after { content: "PHOTO TO FOLLOW"; position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.18em; color: var(--ink-2); }
.shot__cap { font-family: var(--mono); font-size: 0.75rem; line-height: 1.5; color: var(--ink-2); padding: 0.75rem 0.85rem; }
.shot__cap em { color: oklch(0.55 0.09 60); font-style: normal; }
.shot__date { color: var(--thames-2); font-weight: 500; }
.gallery__note, .record__note { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-2); margin-top: 1.5rem; opacity: 0.85; }

/* ---------- record / timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; max-width: 46rem; }
.tl { position: relative; padding: 0 0 2.2rem 2.2rem; }
.tl::before { content: ""; position: absolute; left: 5px; top: 0.4rem; bottom: -0.4rem; width: 2px; background: var(--hairline); }
.tl:last-child::before { display: none; }
.tl__marker { position: absolute; left: 0; top: 0.35rem; width: 12px; height: 12px; border-radius: 50%; background: var(--paper); border: 2px solid var(--thames); }
.tl__meta { font-family: var(--mono); font-size: 0.78rem; margin: 0 0 0.3rem; display: flex; gap: 0.9rem; flex-wrap: wrap; }
.tl__date { color: var(--ink); font-weight: 500; }
.tl__ref { color: var(--thames-2); }
.tl__title { font-family: var(--serif); font-weight: 600; font-size: 1.3rem; margin: 0 0 0.35rem; }
.tl__desc { margin: 0 0 0.5rem; color: var(--ink-2); }
.tl__decision { display: inline-block; font-family: var(--sans); font-weight: 800; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; padding: 0.22rem 0.6rem; border-radius: 3px; }
.tl__decision--refused { background: oklch(0.5 0.16 28 / 0.12); color: var(--refused); }

/* ---------- the ask ---------- */
.ask { background: var(--signal); max-width: none; color: var(--signal-ink); position: relative; overflow: hidden; }
.ask::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.5; mix-blend-mode: multiply; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E"); }
.ask__inner { max-width: 52rem; margin-inline: auto; position: relative; z-index: 1; }
.ask__title { font-family: var(--serif); font-weight: 600; font-size: clamp(2.5rem, 1.5rem + 4.8vw, 5.25rem); line-height: 0.97; letter-spacing: -0.022em; margin: 0 0 1.2rem; }
.ask__lead { font-family: var(--serif); font-style: italic; font-size: clamp(1.25rem, 1.05rem + 1.1vw, 1.9rem); line-height: 1.4; max-width: 32ch; margin: 0 0 1.3rem; }
.ask__body { font-size: 1.1rem; max-width: 46ch; margin: 0 0 2.3rem; }
.ask__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* ---------- involved ---------- */
.involved__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); gap: clamp(2rem, 5vw, 4rem); }
.involved__h { font-family: var(--serif); font-weight: 600; font-size: 1.5rem; margin: 0 0 0.6rem; }
.involved__col > p { color: var(--ink-2); margin: 0 0 1.3rem; max-width: 40ch; }
.involved__col .btn { margin-bottom: 1.2rem; }
.share { display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; }
.share__link { font-family: var(--mono); font-size: 0.8rem; color: var(--thames-2); }

.form { display: grid; gap: 0.9rem; max-width: 26rem; }
.form__row { display: grid; gap: 0.3rem; }
.form__row span { font-family: var(--sans); font-weight: 700; font-size: 0.82rem; letter-spacing: 0.01em; }
.form input, .form textarea { font-family: var(--serif); font-size: 1rem; color: var(--ink); background: var(--paper); border: 1px solid var(--hairline); border-radius: 3px; padding: 0.7rem 0.8rem; width: 100%; transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease); }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--thames); box-shadow: 0 0 0 3px oklch(0.46 0.045 172 / 0.18); }
.form .btn { justify-self: start; }
.hp { position: absolute; left: -9999px; }
.form__status { font-family: var(--mono); font-size: 0.82rem; margin: 0; min-height: 1.2em; }
.form__status[data-state="ok"] { color: var(--thames-2); }
.form__status[data-state="err"] { color: var(--refused); }
.form__fallback { font-size: 0.9rem; color: var(--ink-2); margin: 0.2rem 0 0; }

/* ---------- take action ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: clamp(1.75rem, 3.5vw, 3rem); max-width: 54rem; }
.step { display: grid; grid-template-columns: auto 1fr; gap: 1.1rem 1.5rem; align-items: start; }
.step__n { font-family: var(--sans); font-weight: 800; font-size: 1.35rem; width: 2.7rem; height: 2.7rem; display: grid; place-items: center; background: var(--signal); color: var(--signal-ink); border-radius: 50%; box-shadow: 3px 3px 0 var(--signal-ink); }
.step__h { font-family: var(--serif); font-weight: 600; font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.75rem); margin: 0.35rem 0 0.5rem; }
.step__body > p { color: var(--ink-2); margin: 0 0 1rem; max-width: 48ch; }
.msg { font-family: var(--serif); font-style: italic; font-size: 1.05rem; line-height: 1.55; color: var(--ink); background: var(--paper-2); border: 1px solid var(--hairline); border-radius: 4px; margin: 0 0 1.1rem; padding: 1rem 1.2rem; max-width: 48ch; }
.step__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.7rem 1.2rem; }
.microsteps { margin: 0 0 1.2rem; padding-left: 1.5rem; display: grid; gap: 0.45rem; max-width: 46ch; color: var(--ink); }
.microsteps li { line-height: 1.5; }
.microsteps strong { font-family: var(--sans); font-weight: 700; }
.step__note { font-size: 0.9rem; color: var(--ink-2); margin: 1.1rem 0 0; max-width: 48ch; line-height: 1.55; }
.step__note a { color: var(--thames-2); }
@media (max-width: 560px) { .step { grid-template-columns: 1fr; } .step__n { width: 2.3rem; height: 2.3rem; font-size: 1.1rem; } }

/* ---------- footer ---------- */
.site-foot { background: var(--ink); color: oklch(0.86 0.01 85); padding: clamp(3rem, 7vw, 5rem) var(--gutter); }
.site-foot__inner { max-width: 60rem; margin-inline: auto; display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: start; }
.site-foot__emblem { width: 72px; height: 72px; border-radius: 10px; box-shadow: var(--shadow-1); }
.site-foot__mark { font-family: var(--sans); font-weight: 800; letter-spacing: 0.12em; color: var(--signal); font-size: 1.1rem; margin: 0 0 0.5rem; }
.site-foot__meta, .site-foot__contact { margin: 0 0 0.5rem; font-size: 0.95rem; }
.site-foot a { color: var(--signal); }
.site-foot__disclaimer { font-size: 0.82rem; color: oklch(0.68 0.01 85); max-width: 60ch; margin: 0.6rem 0 0; line-height: 1.6; }
@media (max-width: 560px) { .site-foot__inner { grid-template-columns: 1fr; } }

/* ---------- sticky CTA ---------- */
.sticky-cta { position: fixed; right: 1rem; bottom: 1rem; z-index: 40; font-family: var(--sans); font-weight: 800; font-size: 0.9rem; letter-spacing: 0.02em; background: var(--signal); color: var(--signal-ink); text-decoration: none; padding: 0.8rem 1.1rem; border-radius: 3px; box-shadow: 3px 3px 0 var(--signal-ink); opacity: 0; transform: translateY(1rem); pointer-events: none; transition: opacity 0.4s var(--ease), transform 0.4s var(--ease); }
.sticky-cta[data-show] { opacity: 1; transform: none; pointer-events: auto; }
@media (min-width: 900px) { .sticky-cta { display: none; } }

/* ---------- scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
[data-reveal][data-in] { opacity: 1; transform: none; }

/* ---------- motion / a11y ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__photo, .hero__scroll-dot::after { animation: none; }
  .setting, .setting__photo { background-attachment: scroll; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .btn:hover, .shot:hover { transform: none; }
}