/* ==========================================================================
   Year 2140: solarpunk postcards
   Tokens first, then base, then components, then pages, then print and motion.
   ========================================================================== */

:root {
  color-scheme: light;

  /* palette */
  --mint: #CFEFD9;
  --mint-soft: #E7F6EC;
  --sun: #FFE08A;
  --sun-soft: #FFF1BD;
  --sky: #BFE6FF;
  --sky-soft: #E3F4FF;
  --leaf: #1F6B4A;
  --leaf-deep: #164F37;
  --ink: #12302A;
  --coral: #B83A22;        /* text */
  --coral-art: #E0573D;    /* illustration only */
  --white: #FFFFFF;
  --paper: #FFFDF5;
  --muted: #3A5A51;

  /* type */
  --font-display: ui-rounded, "SF Pro Rounded", "Arial Rounded MT Bold", "Hiragino Maru Gothic ProN", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* spacing scale */
  --s1: 0.25rem;
  --s2: 0.5rem;
  --s3: 0.75rem;
  --s4: 1rem;
  --s5: 1.5rem;
  --s6: 2rem;
  --s7: 3rem;
  --s8: 4.5rem;

  --gutter: clamp(16px, 4vw, 40px);
  --radius: 24px;

  /* depth */
  --shadow-1: 0 1px 0 rgba(18, 48, 42, 0.08), 0 3px 6px rgba(18, 48, 42, 0.08), 0 14px 26px -12px rgba(18, 48, 42, 0.28);
  --shadow-2: 0 1px 0 rgba(18, 48, 42, 0.1), 0 6px 12px rgba(18, 48, 42, 0.1), 0 24px 44px -18px rgba(18, 48, 42, 0.38);

  /* paper grain (inline, no network) */
  --grain: 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='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .07 0 0 0 0 .19 0 0 0 0 .16 0 0 0 .075 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--mint);
  background-image:
    radial-gradient(1100px 520px at 8% -8%, var(--mint-soft), transparent 62%),
    radial-gradient(900px 480px at 100% 6%, rgba(191, 230, 255, 0.75), transparent 60%);
  background-repeat: no-repeat;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }

img, svg { max-width: 100%; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.12;
  margin: 0 0 var(--s3);
  color: var(--ink);
  letter-spacing: -0.015em;
}
h1 { font-size: clamp(2.2rem, 1.1rem + 4.4vw, 4.4rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.02; }
h2 { font-size: clamp(1.6rem, 1.1rem + 1.9vw, 2.6rem); font-weight: 800; }
h3, .h3 { font-size: clamp(1.15rem, 1rem + 0.55vw, 1.45rem); font-weight: 750; }
.h3 { font-family: var(--font-display); line-height: 1.2; margin: 0 0 var(--s3); letter-spacing: -0.01em; }

p { margin: 0 0 var(--s4); }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding-left: 1.25rem; }
a { color: var(--leaf); text-underline-offset: 0.2em; text-decoration-thickness: 2px; }
a:hover { color: var(--leaf-deep); text-decoration-thickness: 3px; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap;
}

[hidden] { display: none !important; }

/* focus: ink ring over a white halo, visible on mint, white, sky, sun and leaf */
:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px var(--white);
  border-radius: 8px;
}
.site-footer :focus-visible { outline-color: var(--sun); box-shadow: none; }

.skip-link {
  position: absolute;
  left: 12px; top: -80px;
  z-index: 100;
  background: var(--ink);
  color: var(--white);
  padding: 0.7rem 1.1rem;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.wrap { width: min(1180px, 100% - 2 * var(--gutter)); margin-inline: auto; }

.site-header, main, .site-footer { position: relative; z-index: 1; }

/* ---------- floating blobs ---------- */
.bg-blobs { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.blob { position: absolute; display: block; }
.blob path { stroke: none; }
.blob-a { width: min(52vw, 640px); left: -12vw; top: 6vh; fill: var(--sun); opacity: 0.42; animation: floatA 26s ease-in-out infinite alternate; }
.blob-b { width: min(46vw, 560px); right: -10vw; top: 38vh; fill: var(--sky); opacity: 0.6; animation: floatB 32s ease-in-out infinite alternate; }
.blob-c { width: min(40vw, 480px); left: 18vw; bottom: -14vh; fill: var(--white); opacity: 0.5; animation: floatC 29s ease-in-out infinite alternate; }
.blob-d { width: min(30vw, 360px); right: 14vw; top: -8vh; fill: var(--leaf); opacity: 0.1; animation: floatA 36s ease-in-out infinite alternate-reverse; }

@keyframes floatA { from { transform: translate3d(0, 0, 0) rotate(0deg); } to { transform: translate3d(5vw, 6vh, 0) rotate(14deg); } }
@keyframes floatB { from { transform: translate3d(0, 0, 0) rotate(0deg) scale(1); } to { transform: translate3d(-6vw, -5vh, 0) rotate(-12deg) scale(1.08); } }
@keyframes floatC { from { transform: translate3d(0, 0, 0) rotate(0deg); } to { transform: translate3d(7vw, -6vh, 0) rotate(10deg); } }

/* ---------- header ---------- */
.site-header {
  background: var(--mint);
  border-bottom: 3px dashed rgba(18, 48, 42, 0.55);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  min-height: 68px;
  position: relative;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--ink); }
.brand-mark { width: 44px; height: 44px; flex: none; filter: drop-shadow(0 2px 0 rgba(18, 48, 42, 0.18)); }
.bm-blob { fill: var(--leaf); }
.bm-sun { fill: var(--sun); stroke: var(--ink); stroke-width: 2; }
.bm-hill { fill: none; stroke: var(--mint); stroke-width: 4; stroke-linecap: round; }
.brand-num { color: var(--coral); }

.site-nav ul { list-style: none; display: flex; gap: 0.35rem; padding: 0; margin: 0; flex-wrap: wrap; }
.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  border: 2px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.site-nav a:hover { background: var(--white); border-color: var(--ink); color: var(--ink); }
.site-nav a[aria-current="page"] {
  background: var(--leaf);
  color: var(--white);
  border-color: var(--ink);
  box-shadow: 0 3px 0 var(--ink);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  border: 2px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  font: 700 1rem var(--font-display);
  cursor: pointer;
}
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  display: block;
  width: 18px; height: 2.5px;
  background: var(--ink);
  border-radius: 2px;
  position: relative;
  transition: transform 0.2s ease;
}
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .js .site-nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: calc(100% + 3px);
    background: var(--mint);
    border: 3px solid var(--ink);
    border-radius: 24px;
    padding: 0.75rem;
    box-shadow: var(--shadow-2);
    z-index: 30;
  }
  .js .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; }
  .site-nav a { width: 100%; font-size: 1.1rem; }
  html:not(.js) .header-row { flex-wrap: wrap; padding-block: 0.5rem; }
}

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  margin-top: var(--s8);
  background: var(--ink);
  color: var(--mint);
  padding-top: var(--s7);
}
.site-footer::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -27px;
  height: 28px;
  background: radial-gradient(circle 22px at 22px 28px, var(--ink) 21px, transparent 22px) 0 0 / 44px 28px repeat-x;
}
.site-footer a { color: var(--sun); }
.site-footer a:hover { color: var(--white); }
.footer-grid { display: grid; gap: var(--s6); grid-template-columns: 1.4fr 1fr 1.2fr; padding-bottom: var(--s6); }
.footer-name { font: 800 1.6rem var(--font-display); color: var(--white); margin-bottom: var(--s3); letter-spacing: -0.02em; }
.footer-name .brand-num { color: var(--sun); }
.footer-label { font: 700 0.8rem var(--font-display); letter-spacing: 0.12em; text-transform: uppercase; color: var(--mint); margin-bottom: var(--s3); }
.footer-links { list-style: none; padding: 0; display: grid; gap: 0.1rem; }
.footer-links a { display: inline-flex; align-items: center; min-height: 40px; }
.mail-link { overflow-wrap: anywhere; font-weight: 700; display: inline-flex; align-items: center; min-height: 40px; }
.footer-small { font-size: 0.95rem; }
.footer-base { border-top: 2px dashed rgba(207, 239, 217, 0.4); padding-block: var(--s5); font-size: 0.92rem; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- type helpers ---------- */
.lede { font-size: clamp(1.1rem, 1rem + 0.5vw, 1.3rem); line-height: 1.55; color: var(--ink); max-width: 62ch; }
.fine { font-size: 0.95rem; color: var(--muted); margin-top: var(--s4); }
.help { font-size: 0.93rem; color: var(--muted); margin: var(--s2) 0 0; }
.eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin-bottom: var(--s4); }
.eyebrow-text { font: 700 0.82rem var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 0; }
.mark { background: linear-gradient(transparent 56%, var(--sun) 56% 94%, transparent 94%); padding: 0 0.12em; border-radius: 6px; }
.text-link { font-weight: 700; display: inline-flex; align-items: center; min-height: 40px; }
.error { color: var(--coral); font-weight: 700; font-size: 0.93rem; margin: 0; }
.error:not(:empty) { margin-top: var(--s2); }
.error:not(:empty)::before { content: "Heads up: "; }
.status-line { margin-top: var(--s3); min-height: 1.5em; font-weight: 600; color: var(--leaf-deep); }

/* tags / stamps of honesty */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.22em 0.8em 0.22em 0.35em;
  border-radius: 999px;
  border: 2px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  font: 800 0.74rem/1.2 var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}
.tag::before {
  content: "?";
  display: inline-grid;
  place-items: center;
  width: 1.7em; height: 1.7em;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: var(--sun);
  font-size: 0.95em;
  letter-spacing: 0;
}
.tag--spec { background: var(--sun-soft); border-style: dashed; }
.tag--math { background: var(--sky-soft); }
.tag--math::before { content: "="; background: var(--sky); }
.tag--yours { background: var(--mint-soft); }
.tag--yours::before { content: "\201C"; background: var(--mint); font-size: 1.2em; padding-top: 0.2em; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.6rem 1.35rem;
  border-radius: 999px;
  border: 2.5px solid var(--ink);
  font: 800 1rem/1.2 var(--font-display);
  letter-spacing: -0.005em;
  text-decoration: none;
  cursor: pointer;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 4px 0 var(--ink);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--ink); text-decoration: none; color: var(--ink); }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--ink); }
.btn--primary { background: var(--leaf); color: var(--white); }
.btn--primary:hover { background: var(--leaf-deep); color: var(--white); }
.btn--sun { background: var(--sun); }
.btn--sun:hover { background: #FFD65C; }
.btn--ghost { background: var(--white); }
.btn--ghost:hover { background: var(--mint-soft); }
.btn--danger { background: var(--white); color: var(--coral); border-color: var(--coral); box-shadow: 0 4px 0 var(--coral); }
.btn--danger:hover { color: var(--coral); box-shadow: 0 6px 0 var(--coral); background: #FFF1EC; }
.btn--danger.is-armed { background: var(--coral); color: var(--white); }
.btn--lg { min-height: 56px; padding: 0.8rem 1.8rem; font-size: 1.12rem; }
.btn--sm { min-height: 44px; padding: 0.4rem 1rem; font-size: 0.95rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: var(--s5); }
.btn-row--tight { gap: 0.6rem; margin-top: var(--s4); }
.text-btn {
  background: none; border: 0; padding: 0.4rem 0.2rem; min-height: 44px;
  font: 700 0.98rem var(--font-display); color: var(--leaf); cursor: pointer;
  text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.2em;
}
.text-btn:hover { color: var(--leaf-deep); }

.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--s4); }
.chip {
  min-height: 44px;
  padding: 0.35rem 1.05rem;
  border-radius: 999px;
  border: 2px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  font: 700 0.95rem var(--font-display);
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.chip:hover { background: var(--sun-soft); transform: translateY(-1px); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--white); box-shadow: inset 0 0 0 2px var(--white); }

/* ---------- forms ---------- */
.field { margin-top: var(--s4); }
.field:first-child { margin-top: 0; }
label { display: block; font: 750 1rem var(--font-display); margin-bottom: 0.4rem; color: var(--ink); }
.optional { font-weight: 500; color: var(--muted); font-family: var(--font-body); }
input[type="text"], input[type="number"], select, textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.65rem 0.9rem;
  border: 2.5px solid var(--leaf);
  border-radius: 14px;
  background: var(--white);
  color: var(--ink);
  font: 1rem/1.5 var(--font-body);
}
input::placeholder, textarea::placeholder { color: #4A675E; opacity: 1; }
select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.6rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='10' viewBox='0 0 16 10'%3E%3Cpath d='M2 2l6 6 6-6' fill='none' stroke='%2312302A' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.95rem center;
}
textarea { resize: vertical; min-height: 10rem; }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--coral); box-shadow: 0 0 0 3px #FFE3DC; }

/* ---------- postcard ---------- */
.postcard, .face {
  position: relative;
  border: 9px solid transparent;
  border-radius: 30px;
  padding: clamp(1.1rem, 2.6vw, 2.1rem);
  background:
    var(--grain) padding-box,
    linear-gradient(var(--paper), var(--paper)) padding-box,
    repeating-linear-gradient(-45deg, var(--coral-art) 0 14px, var(--paper) 14px 28px, var(--sky) 28px 42px, var(--paper) 42px 56px) border-box;
  background-color: var(--paper);
  box-shadow: var(--shadow-2);
}
.card--sun { --paper: #FFF4C9; }
.card--sky { --paper: #EAF6FF; }
.card--mint { --paper: #E8F7EE; }

.tilt-l, .tilt-r { transition: transform 0.35s cubic-bezier(0.3, 0.7, 0.2, 1); }
@media (min-width: 980px) {
  .tilt-l { transform: rotate(-1.1deg); }
  .tilt-r { transform: rotate(1.1deg) translateY(1.6rem); }
  .tilt-l:hover, .tilt-r:hover { transform: rotate(0deg) translateY(-4px); }
}

/* stamps: dotted border reads as perforation, using the card colour as the "holes" */
.stamp {
  position: relative;
  display: grid;
  place-items: center;
  width: 78px;
  aspect-ratio: 4 / 5;
  padding: 3px;
  background: var(--white);
  border: 6px dotted var(--paper);
  box-shadow: 0 2px 0 rgba(18, 48, 42, 0.14), 0 10px 14px -8px rgba(18, 48, 42, 0.5);
  transform: rotate(3deg);
  flex: none;
}
.stamp svg { display: block; width: 100%; height: 100%; }
.stamp--num { background: var(--sun); color: var(--ink); font: 800 1.5rem var(--font-display); }
.stamp--corner { position: absolute; top: -20px; right: 22px; width: 64px; background: var(--sky); color: var(--ink); font: 800 1.4rem var(--font-display); border-color: var(--paper); }
.stamp--leaf { background: var(--mint); }
.stamp--sun { background: var(--sun); }
.card .stamp--num { position: absolute; top: -22px; right: 22px; width: 62px; }
.stamp--sun .st-bg { fill: var(--sun-soft); }
.st-sun { fill: var(--coral-art); stroke: var(--ink); stroke-width: 2; }
.st-hill { fill: var(--leaf); }
.st-hill2 { fill: var(--leaf-deep); }

/* illustration vocabulary */
.card-art { display: block; width: 120px; height: auto; margin-bottom: var(--s4); }
.art-paper { fill: var(--white); stroke: var(--ink); stroke-width: 3; stroke-linejoin: round; }
.art-line { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.art-line--light { stroke: var(--white); }
.art-line--soft { stroke-width: 2.5; opacity: 0.55; }
.art-line--thick { stroke-width: 4; }
.art-tick { fill: none; stroke: var(--white); stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.art-coral { fill: var(--coral-art); stroke: var(--ink); stroke-width: 3; stroke-linejoin: round; }
.art-leaf { fill: var(--leaf); stroke: var(--ink); stroke-width: 3; stroke-linejoin: round; }
.art-leaf-dark { fill: var(--leaf-deep); stroke: var(--ink); stroke-width: 3; stroke-linejoin: round; }
.art-leafline { fill: none; stroke: var(--leaf); stroke-width: 4; stroke-linecap: round; }
.art-sun { fill: var(--sun); stroke: var(--ink); stroke-width: 3; }
.art-sun-soft { fill: var(--sun-soft); stroke: var(--ink); stroke-width: 3; }
.art-sky { fill: var(--sky); stroke: var(--ink); stroke-width: 3; }
.art-mint { fill: var(--mint); stroke: var(--ink); stroke-width: 3; }
.art-night { fill: #1C4650; stroke: var(--ink); stroke-width: 3; }
.art-star { fill: var(--white); }
.art-drop { fill: var(--sky); stroke: var(--ink); stroke-width: 2.5; stroke-linejoin: round; }
.art-window { fill: none; stroke: var(--sun); stroke-width: 5; stroke-linecap: round; }
.art-rail { fill: none; stroke: var(--sun); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 2 8; }

/* ---------- sections ---------- */
.section { padding-block: clamp(2.5rem, 6vw, 5rem); }
.section-head { max-width: 760px; margin-bottom: var(--s6); }
.section-head--row { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s5); flex-wrap: wrap; max-width: none; }
.section-lede { font-size: 1.12rem; color: var(--ink); max-width: 62ch; }

.section--band {
  position: relative;
  background: var(--sky-soft);
  margin-block: var(--s6);
}
.section--band::before, .section--band::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 28px;
}
.section--band::before {
  top: -27px;
  background: radial-gradient(circle 22px at 22px 28px, var(--sky-soft) 21px, transparent 22px) 0 0 / 44px 28px repeat-x;
}
.section--band::after {
  bottom: -27px;
  background: radial-gradient(circle 22px at 22px 0, var(--sky-soft) 21px, transparent 22px) 0 0 / 44px 28px repeat-x;
}

.mini-card {
  background: var(--white);
  border: 2.5px solid var(--ink);
  border-radius: 22px;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  box-shadow: 0 5px 0 var(--ink), var(--shadow-1);
}
.mini-card p { color: var(--ink); font-size: 1rem; }
.mini-card h3 { margin-bottom: var(--s2); }

.tick-list { list-style: none; padding: 0; display: grid; gap: 0.7rem; }
.tick-list li { position: relative; padding-left: 2rem; }
.tick-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.28em;
  width: 1.2rem; height: 1.2rem;
  border-radius: 50% 40% 55% 45%;
  background: var(--leaf);
  border: 2px solid var(--ink);
}
.tick-list li::after {
  content: "";
  position: absolute;
  left: 0.36rem; top: 0.52em;
  width: 0.5rem; height: 0.28rem;
  border-left: 2.5px solid var(--white);
  border-bottom: 2.5px solid var(--white);
  transform: rotate(-45deg);
}

/* ---------- sky ---------- */
.sky {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #7FB0DA, #FFE08A);
  border: 8px solid var(--white);
  border-radius: 40px 40px 40px 120px;
  box-shadow: var(--shadow-2);
  isolation: isolate;
}
.sky--mini { width: 100%; aspect-ratio: 16 / 10; border-width: 6px; border-radius: 28px 28px 28px 70px; box-shadow: var(--shadow-1); }
.sky--big { width: 100%; aspect-ratio: auto; height: clamp(300px, 36vw, 560px); }
.scene { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.sun-core { fill: var(--sun); stroke: #FFF6D2; stroke-width: 4; }
.sun-glow { transform-box: fill-box; transform-origin: center; animation: pulse 7s ease-in-out infinite alternate; }
.sc-stars circle { fill: var(--white); }
.cloud ellipse { fill: var(--white); opacity: 0.88; }
.cloud-1 { animation: drift 46s ease-in-out infinite alternate; }
.cloud-2 { animation: drift 62s ease-in-out infinite alternate-reverse; }
.cloud-3 { animation: drift 54s ease-in-out infinite alternate; }
.hill-far { fill: #A5D8BA; }
.hill-mid { fill: #5DAF86; }
.hill-near { fill: var(--leaf); }
.tw { fill: #FDFEFB; stroke: var(--ink); stroke-width: 2; }
.tw-roof { fill: #DDF3E5; stroke: var(--ink); stroke-width: 2; }
.ledge { fill: #2B7D56; stroke: var(--ink); stroke-width: 1.5; }
.plant { fill: #3FA672; }
.plant-b { fill: #66C795; }
.win { fill: var(--sun); }
.mast { stroke: var(--ink); stroke-width: 2.5; stroke-linecap: round; }
.sail { fill: var(--coral-art); stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; }
.sail-b { fill: var(--sun); }
.ship-body { fill: var(--coral-art); stroke: var(--ink); stroke-width: 2.5; }
.ship-line { fill: none; stroke: var(--white); stroke-width: 3; stroke-linecap: round; opacity: 0.8; }
.ship-fin { fill: var(--sun); stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; }
.ship-gondola { fill: var(--white); stroke: var(--ink); stroke-width: 2; }
.airship { animation: bob 8s ease-in-out infinite alternate; }
.pole { stroke: var(--white); stroke-width: 3.5; stroke-linecap: round; }
.hub { fill: var(--ink); }
.hub-box { fill: none; }
.blade { fill: var(--white); stroke: var(--ink); stroke-width: 1.2; stroke-linejoin: round; }
.blades { transform-box: fill-box; transform-origin: center; animation: spin 10s linear infinite; }
.trunk { fill: #0F3B2A; }
.crown { fill: #2E8A5E; }
.crown-b { fill: #3FA672; }
.tree { transform: scale(var(--grow, 1)); transform-box: fill-box; transform-origin: 50% 100%; }

@keyframes drift { from { transform: translateX(-30px); } to { transform: translateX(46px); } }
@keyframes bob { from { transform: translate(-26px, 4px) rotate(-1.5deg); } to { transform: translate(30px, -8px) rotate(1.5deg); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { from { transform: scale(0.94); opacity: 0.8; } to { transform: scale(1.06); opacity: 1; } }

/* ---------- range slider ---------- */
.range {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 48px;
  margin: 0;
  background: transparent;
  cursor: pointer;
}
.range::-webkit-slider-runnable-track {
  height: 18px;
  border-radius: 999px;
  border: 2.5px solid var(--ink);
  background: var(--track, linear-gradient(90deg, var(--sky), var(--sun)));
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.6);
}
.range::-moz-range-track {
  height: 14px;
  border-radius: 999px;
  border: 2.5px solid var(--ink);
  background: var(--track, linear-gradient(90deg, var(--sky), var(--sun)));
}
.range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 42px; height: 42px;
  margin-top: -14px;
  border-radius: 50%;
  border: 3px solid var(--ink);
  background: radial-gradient(circle at 35% 30%, #FFF8D8 0, var(--sun) 58%, #F6CB52 100%);
  box-shadow: 0 0 0 4px var(--white), 0 8px 14px rgba(18, 48, 42, 0.35);
  transition: transform 0.15s ease;
}
.range::-moz-range-thumb {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 3px solid var(--ink);
  background: radial-gradient(circle at 35% 30%, #FFF8D8 0, var(--sun) 58%, #F6CB52 100%);
  box-shadow: 0 0 0 4px var(--white), 0 8px 14px rgba(18, 48, 42, 0.35);
}
.range:hover::-webkit-slider-thumb { transform: scale(1.08); }
.range:focus-visible { outline: none; box-shadow: none; }
.range:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--white), 0 0 0 8px var(--ink); }
.range:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 4px var(--white), 0 0 0 8px var(--ink); }

/* ==========================================================================
   Home
   ========================================================================== */
.hero { padding-top: clamp(1.5rem, 4vw, 3rem); }
.hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.25rem, 3.4vw, 3rem);
}
.hero-msg h1 { margin-bottom: var(--s4); }
.hero-side {
  border-left: 3px dashed rgba(18, 48, 42, 0.45);
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--s5);
  min-width: 0;
}
.hero-side-top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--s4); }
.address { flex: 1; min-width: 0; padding-top: 0.4rem; }
.address-label { font: 700 0.8rem var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.2rem; }
.address-line { font: 800 1.2rem/1.25 var(--font-display); margin-bottom: var(--s3); }
.address-rule { display: block; height: 3px; margin-top: 1.1rem; background: repeating-linear-gradient(90deg, rgba(18, 48, 42, 0.55) 0 7px, transparent 7px 12px); }
.stamp-cluster { position: relative; width: 130px; height: 112px; flex: none; }
.stamp-cluster .stamp { position: absolute; right: 0; top: 0; width: 70px; }
.postmark { position: absolute; left: -6px; top: 22px; width: 92px; height: 92px; z-index: 2; transform: rotate(-12deg); opacity: 0.9; }
.pm-ring { fill: none; stroke: var(--coral-art); stroke-width: 3; }
.pm-ring--thin { stroke-width: 1.5; }
.pm-wave { fill: none; stroke: var(--coral-art); stroke-width: 3; stroke-linecap: round; }
.peek-controls { padding-top: var(--s4); }
.peek-label { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s3); }
.peek-label output { font: 800 1.6rem var(--font-display); color: var(--leaf-deep); }
.peek-caption { font-size: 0.98rem; color: var(--muted); margin: var(--s2) 0 var(--s2); min-height: 3em; }

@media (max-width: 920px) {
  .hero-card { grid-template-columns: 1fr; }
  .hero-side { border-left: 0; padding-left: 0; border-top: 3px dashed rgba(18, 48, 42, 0.45); padding-top: var(--s5); }
}

.trio { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); padding-top: var(--s5); }
.card { display: flex; flex-direction: column; align-items: flex-start; }
.card p { flex: 1; }
.card .btn { margin-top: var(--s4); }
@media (max-width: 979px) { .trio { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

.ledger { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2.4vw, 2rem); }
.ledger-item {
  background: var(--white);
  border: 2.5px dashed var(--ink);
  border-radius: 26px 26px 26px 60px;
  padding: clamp(1.1rem, 2.4vw, 1.7rem);
}
.ledger-item .tag { margin-bottom: var(--s3); }
.ledger-item p { font-size: 1rem; }
@media (max-width: 900px) { .ledger { grid-template-columns: 1fr; } }

.why { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
.why-art svg { width: 100%; height: auto; max-width: 420px; display: block; margin-inline: auto; filter: drop-shadow(0 18px 18px rgba(18, 48, 42, 0.25)); }
.why-blob { fill: var(--leaf); stroke: var(--ink); stroke-width: 3; }
.why-ring { fill: none; stroke: var(--mint); stroke-width: 2.5; stroke-dasharray: 3 9; stroke-linecap: round; }
.why-sun { fill: var(--sun); stroke: var(--ink); stroke-width: 3; }
.why-text { font: 800 44px var(--font-display); fill: var(--white); letter-spacing: -1px; }
.note {
  margin-top: var(--s5);
  background: var(--white);
  border: 2.5px solid var(--ink);
  border-left-width: 10px;
  border-left-color: var(--leaf);
  border-radius: 18px;
  padding: var(--s4) var(--s5);
  box-shadow: var(--shadow-1);
}
.note-title { margin-bottom: var(--s2); }
.note p:last-child { font-size: 0.98rem; }
@media (max-width: 880px) { .why { grid-template-columns: 1fr; } .why-art { max-width: 280px; margin-inline: auto; } }

.others { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.25rem, 2.6vw, 2.25rem); }
.others .mini-card:nth-child(2) { transform: translateY(1.2rem); }
@media (max-width: 900px) { .others { grid-template-columns: 1fr; } .others .mini-card:nth-child(2) { transform: none; } }

.cta {
  --paper: #FFF4C9;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--s6);
  align-items: center;
}
.cta h2 { max-width: 20ch; }
.cta p { max-width: 54ch; }
@media (max-width: 760px) { .cta { grid-template-columns: 1fr; } }

/* ==========================================================================
   Page heroes (capsule, contact)
   ========================================================================== */
.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
  padding-top: clamp(1.5rem, 4vw, 3.5rem);
}
.page-hero-art svg { display: block; width: 100%; max-width: 420px; height: auto; margin-inline: auto; }
.ph-blob { fill: var(--sun); stroke: var(--ink); stroke-width: 2.5; }
.ph-env { fill: var(--white); stroke: var(--ink); stroke-width: 3; }
.ph-flap { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.ph-seal { fill: var(--coral-art); stroke: var(--ink); stroke-width: 3; }
.ph-seal-in { fill: none; stroke: var(--white); stroke-width: 2.5; stroke-dasharray: 3 5; stroke-linecap: round; }
.ph-sun { fill: var(--sun); stroke: var(--ink); stroke-width: 3; }
@media (max-width: 820px) { .page-hero { grid-template-columns: 1fr; } .page-hero-art { max-width: 300px; margin-inline: auto; order: -1; } }

/* ==========================================================================
   Capsule
   ========================================================================== */
.desk { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(1.5rem, 3.5vw, 3rem); align-items: start; }
.stationery-top { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: var(--s5); }
.field--year input { max-width: 11rem; }
.label-row { display: flex; justify-content: space-between; align-items: center; gap: var(--s3); flex-wrap: wrap; }
.label-row label { margin-bottom: 0; }
.prompt {
  background: var(--sun-soft);
  border: 2px dashed var(--ink);
  border-radius: 14px;
  padding: 0.6rem 0.9rem;
  margin: 0.3rem 0 0.7rem;
  font-size: 0.98rem;
  color: var(--ink);
}
.field--letter textarea {
  min-height: 22rem;
  line-height: 32px;
  font-size: 1.08rem;
  padding: 8px 18px 8px 22px;
  border-radius: 14px;
  background-color: var(--white);
  background-image:
    linear-gradient(90deg, transparent 0 11px, rgba(224, 87, 61, 0.55) 11px 13px, transparent 13px),
    repeating-linear-gradient(180deg, transparent 0 31px, rgba(31, 107, 74, 0.28) 31px 32px);
  background-attachment: local;
}
.count-row { display: flex; justify-content: space-between; gap: var(--s4); flex-wrap: wrap; margin-top: var(--s2); }
.count { font-size: 0.9rem; color: var(--muted); margin: 0; }
.count.is-near { color: var(--coral); font-weight: 700; }

.desk-side { display: grid; gap: clamp(1.25rem, 2.6vw, 2rem); }
.side-card { text-align: left; }
.side-card--sun { --paper: #FFF4C9; }
.side-card:first-child { text-align: center; }
.wax { width: 150px; height: 150px; display: block; margin: 0 auto var(--s3); filter: drop-shadow(0 8px 8px rgba(18, 48, 42, 0.3)); }
.wax--sm { width: 110px; height: 110px; margin: 0; flex: none; }
.wax-blob { fill: var(--coral-art); stroke: var(--ink); stroke-width: 3; }
.wax-ring { fill: none; stroke: rgba(255, 255, 255, 0.75); stroke-width: 3; stroke-dasharray: 2 9; stroke-linecap: round; }
.wax-sun { fill: var(--sun); stroke: var(--ink); stroke-width: 3; }
.wax-wave { fill: none; stroke: var(--white); stroke-width: 5; stroke-linecap: round; }
.side-year { font: 700 1.15rem var(--font-display); margin-bottom: var(--s2); }
.side-year strong { font-size: 2.1rem; color: var(--leaf-deep); display: inline-block; letter-spacing: -0.02em; }
.side-note { color: var(--muted); font-size: 0.95rem; }

.seal-result { margin-top: var(--s6); display: flex; gap: var(--s5); align-items: center; --paper: #E8F7EE; }
.seal-result h2 { margin-bottom: var(--s2); outline-offset: 6px; }
.seal-pop .wax { animation: press 0.8s cubic-bezier(0.2, 0.9, 0.3, 1.2) both; }
@keyframes press { 0% { transform: scale(1.9) rotate(-24deg); opacity: 0; } 55% { transform: scale(0.92) rotate(4deg); opacity: 1; } 100% { transform: scale(1) rotate(0); } }
@media (max-width: 560px) { .seal-result { flex-direction: column; text-align: center; align-items: center; } }

.empty { text-align: center; padding: var(--s6) var(--s4); border: 3px dashed rgba(18, 48, 42, 0.55); border-radius: 36px; background: rgba(255, 255, 255, 0.65); max-width: 720px; }
.empty svg { width: 150px; height: auto; margin-bottom: var(--s3); }
.empty-blob { fill: var(--sun); stroke: var(--ink); stroke-width: 3; }
.empty-box { fill: var(--white); stroke: var(--ink); stroke-width: 3; }
.empty-slot { stroke: var(--ink); stroke-width: 4; stroke-linecap: round; }
.empty-title { font: 800 1.3rem var(--font-display); margin-bottom: var(--s2); }
.empty p:last-child { max-width: 52ch; margin-inline: auto; }

.letter-list { list-style: none; padding: 0; display: grid; gap: var(--s5); margin-top: var(--s4); }
.letter-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s5);
  background: var(--white);
  border: 2.5px solid var(--ink);
  border-radius: 26px;
  padding: var(--s5);
  box-shadow: 0 6px 0 var(--ink), var(--shadow-1);
}
.letter-stamp {
  width: 84px; height: 104px;
  display: grid; place-items: center;
  background: var(--sun);
  border: 7px dotted var(--white);
  box-shadow: 0 0 0 2.5px var(--ink);
  font: 800 1.35rem var(--font-display);
  transform: rotate(-3deg);
}
.letter-title { margin-bottom: var(--s2); }
.status-chip { display: inline-block; padding: 0.25em 0.85em; border-radius: 999px; border: 2px solid var(--ink); font: 800 0.82rem var(--font-display); letter-spacing: 0.04em; }
.status-chip.is-waiting { background: var(--sun); color: var(--ink); border-style: dashed; }
.status-chip.is-ready { background: var(--leaf); color: var(--white); }
.letter-meta { color: var(--muted); font-size: 0.95rem; margin: var(--s3) 0 var(--s2); }
.letter-excerpt { font-style: italic; overflow-wrap: anywhere; }
@media (max-width: 560px) { .letter-card { grid-template-columns: 1fr; } .letter-stamp { width: 74px; height: 92px; } }

.reader { margin-top: var(--s6); --paper: #FFFDF5; }
.reader-head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--s4); flex-wrap: wrap; }
.reader-head h3 { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.2rem); }
.reader-banner { background: var(--mint-soft); border-radius: 14px; padding: 0.7rem 1rem; margin: var(--s4) 0; font-weight: 600; border: 2px solid var(--ink); }
.reader-banner.is-early { background: var(--sun-soft); border-style: dashed; }
.reader-body {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 1.12rem;
  line-height: 32px;
  padding: 8px 20px;
  background-image: repeating-linear-gradient(180deg, transparent 0 31px, rgba(31, 107, 74, 0.25) 31px 32px);
  background-color: var(--white);
  border-radius: 14px;
  border: 2px solid rgba(18, 48, 42, 0.5);
}
.reader-sign { font: 800 1.3rem var(--font-display); margin-top: var(--s4); text-align: right; }

.guide-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.25rem, 2.6vw, 2.25rem); }
@media (max-width: 980px) { .guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .guide-grid { grid-template-columns: 1fr; } }
.step-list { padding-left: 1.3rem; display: grid; gap: 0.5rem; }
.step-list li::marker { font-weight: 800; color: var(--leaf-deep); }

@media (max-width: 980px) { .desk { grid-template-columns: 1fr; } .desk-side { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 680px) { .desk-side { grid-template-columns: 1fr; } .stationery-top { grid-template-columns: 1fr; } }

/* ==========================================================================
   Scrubber
   ========================================================================== */
.scrub-head { padding-top: clamp(1.5rem, 4vw, 3rem); padding-bottom: var(--s5); }
.scrub-head h1 { max-width: 16ch; }
.scrub-stage { padding-bottom: var(--s5); }
.sky-badges { position: absolute; top: 14px; left: 14px; z-index: 3; display: flex; flex-wrap: wrap; gap: 8px; }
.sky-year, .sky-era { margin: 0; padding: 0.15em 0.8em; border-radius: 999px; border: 2.5px solid var(--ink); font: 800 clamp(1.1rem, 0.9rem + 1vw, 1.6rem) var(--font-display); color: var(--ink); }
.sky-year { background: var(--white); }
.sky-era { background: var(--sun); font-size: clamp(0.95rem, 0.85rem + 0.5vw, 1.2rem); display: inline-flex; align-items: center; }
.sky-disclaimer { position: absolute; z-index: 3; right: 14px; bottom: 14px; margin: 0; max-width: calc(100% - 28px); background: var(--ink); color: var(--white); padding: 0.3em 0.9em; border-radius: 999px; font-size: 0.85rem; font-weight: 600; }

.scrub-card {
  margin: -56px auto 0;
  width: calc(100% - clamp(16px, 6vw, 80px));
  z-index: 4;
  --paper: #FFFDF5;
}
.scrub-top { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s5); flex-wrap: wrap; }
.scrub-label { margin-bottom: 0.1rem; color: var(--muted); font: 700 0.82rem var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; }
.year-out { display: block; font: 800 clamp(3rem, 2rem + 5vw, 5.5rem)/1 var(--font-display); letter-spacing: -0.04em; color: var(--leaf-deep); font-variant-numeric: tabular-nums; }
.field--inline { margin: 0; }
.field--inline input { width: 8.5rem; }
.track-wrap { margin-top: var(--s5); padding-inline: 0; }
.ticks { position: relative; height: 34px; margin-top: 4px; }
.ticks span {
  position: absolute;
  top: 0;
  left: calc(21px + (100% - 42px) * var(--p, 0));
  transform: translateX(-50%);
  padding-top: 10px;
  font: 700 0.85rem var(--font-display);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.ticks span::before { content: ""; position: absolute; top: 0; left: 50%; width: 2.5px; height: 8px; margin-left: -1.25px; background: var(--ink); border-radius: 2px; }
@media (max-width: 600px) { .tick--opt { display: none; } }
.scrub-buttons { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: var(--s4); }

.scrub-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(1.5rem, 3.5vw, 3rem); align-items: start; }
@media (max-width: 980px) { .scrub-grid { grid-template-columns: 1fr; } }
.calc, .facts { padding-top: clamp(1.6rem, 3vw, 2.4rem); }
.calc-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s5); margin-top: var(--s4); }
.calc-form .field { margin-top: 0; }
@media (max-width: 700px) { .calc-form { grid-template-columns: 1fr; } }

.results { display: grid; gap: var(--s4); margin-top: var(--s5); }
.result { border: 2.5px solid var(--ink); border-radius: 22px; padding: var(--s4) var(--s5); background: var(--white); }
.result--age { background: #FFF4C9; }
.result--gen { background: #EAF6FF; }
.result--today { background: #E8F7EE; }
.result-label { font: 700 0.82rem var(--font-display); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.2rem; }
.result-value { font: 800 clamp(1.5rem, 1.2rem + 1.5vw, 2.3rem)/1.15 var(--font-display); letter-spacing: -0.02em; margin-bottom: 0.3rem; overflow-wrap: anywhere; }
.result-note { font-size: 0.95rem; color: var(--ink); margin: 0; }

.family { margin-top: var(--s5); padding-top: var(--s5); border-top: 3px dashed rgba(18, 48, 42, 0.45); }
.family-line { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: var(--s3); }
.fam-item { display: grid; padding: 0.4rem 0.9rem; background: var(--white); border: 2px solid var(--ink); border-radius: 16px; line-height: 1.25; }
.fam-gen { font: 800 0.88rem var(--font-display); }
.fam-year { font-size: 0.88rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.fam-item--end { background: var(--sun); border-style: dashed; }
.fam-item--end .fam-year { color: var(--ink); }

.fact-list { margin: var(--s4) 0 0; display: grid; gap: 0; }
.fact-list > div { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr); gap: var(--s3); padding: 0.75rem 0; border-bottom: 2px dotted rgba(18, 48, 42, 0.45); }
.fact-list dt { font-weight: 700; color: var(--muted); }
.fact-list dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
@media (max-width: 480px) { .fact-list > div { grid-template-columns: 1fr; gap: 0; } }
.fact-tag { margin-top: var(--s4); font-size: 0.93rem; color: var(--muted); display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.era { margin-top: var(--s5); background: var(--mint-soft); border: 2.5px dashed var(--ink); border-radius: 22px 22px 22px 56px; padding: var(--s5); }
.era-tag { margin-bottom: var(--s3); }
.era-foot { font-size: 0.95rem; color: var(--muted); }

/* ==========================================================================
   Futures
   ========================================================================== */
.fut-head { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; padding-top: clamp(1.5rem, 4vw, 3rem); }
.fut-head h1 { max-width: 14ch; }
.legend-title { font-size: 1.3rem; }
.legend-list { list-style: none; padding: 0; display: grid; gap: var(--s4); }
.legend-list li { display: grid; gap: 0.4rem; justify-items: start; font-size: 0.98rem; }
@media (max-width: 900px) { .fut-head { grid-template-columns: 1fr; } }
.horizon {
  display: inline-block;
  padding: 0.2em 0.75em;
  border-radius: 999px;
  background: var(--white);
  border: 2px solid var(--ink);
  font: 700 0.78rem var(--font-display);
  color: var(--ink);
}

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: var(--s4); flex-wrap: wrap; }
.toolbar .chip-row { margin-top: 0; }
#filter-count { margin-bottom: var(--s5); }

.scn-grid { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); }
.scn { display: block; min-width: 0; }
.flip { perspective: 1600px; height: 100%; }
.flip-inner {
  position: relative;
  display: grid;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.75s cubic-bezier(0.3, 0.8, 0.2, 1);
}
.flip.is-flipped .flip-inner { transform: rotateY(180deg); }
.face {
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  gap: var(--s3);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: 30px;
  padding: clamp(1rem, 2.2vw, 1.5rem);
}
.face--back { transform: rotateY(180deg); --paper: #FFF4C9; }
.face--front { --paper: #FFFDF5; }
.face-top { display: flex; justify-content: space-between; align-items: center; gap: var(--s2); flex-wrap: wrap; }
.face-art { display: block; width: 100%; height: auto; border-radius: 16px; }
.face h3 { margin: 0; }
.face p { font-size: 1rem; margin: 0; }
.flip-btn { margin-top: auto; align-self: flex-start; }
.back-list { margin: 0; display: grid; gap: var(--s3); }
.back-list dt { font: 800 0.82rem var(--font-display); letter-spacing: 0.08em; text-transform: uppercase; color: var(--leaf-deep); }
.back-list dd { margin: 0.1rem 0 0; font-size: 0.98rem; }
html:not(.js) .flip-inner { display: block; transform: none; }
html:not(.js) .face { margin-bottom: var(--s4); }
html:not(.js) .face--back { transform: none; }

.builder-wrap { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.3fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; padding-block: clamp(1rem, 3vw, 2.5rem); }
@media (max-width: 900px) { .builder-wrap { grid-template-columns: 1fr; } }
.builder-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s4); }
.builder-fields .field { margin: 0; }
@media (max-width: 700px) { .builder-fields { grid-template-columns: 1fr; } }
.builder-out { font: 750 clamp(1.2rem, 1rem + 1vw, 1.6rem)/1.35 var(--font-display); margin: var(--s5) 0 var(--s3); padding: var(--s4) var(--s5); background: var(--sun-soft); border-radius: 22px; border: 2.5px dashed var(--ink); }
.tag-row { margin-bottom: 0; }

.fact-box { max-width: 860px; margin-inline: auto; padding-top: clamp(1.8rem, 3vw, 2.6rem); --paper: #EAF6FF; }
.fact-box .tick-list { margin: var(--s4) 0; }
.not-affiliated { background: var(--white); border: 2px dashed var(--ink); border-radius: 16px; padding: var(--s4); margin-top: var(--s4); }

.method { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1.25rem, 2.4vw, 2rem); counter-reset: step; }
.method .mini-card { counter-increment: step; position: relative; padding-top: 2.6rem; }
.method .mini-card::before {
  content: counter(step);
  position: absolute;
  top: -20px; left: 20px;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--sun);
  border: 2.5px solid var(--ink);
  border-radius: 50% 45% 55% 50%;
  font: 800 1.2rem var(--font-display);
  box-shadow: 0 3px 0 var(--ink);
}
@media (max-width: 1100px) { .method { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 2.2rem; } }
@media (max-width: 600px) { .method { grid-template-columns: 1fr; } }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(1.5rem, 3.5vw, 3rem); align-items: start; padding-top: clamp(2rem, 4vw, 3rem); }
@media (max-width: 980px) { .contact-grid { grid-template-columns: 1fr; } }
.compose { padding-top: clamp(1.8rem, 3vw, 2.6rem); }
.mail-form { margin-top: var(--s4); }
.contact-side { display: grid; gap: clamp(1.25rem, 2.6vw, 2rem); }
.contact-side h2 { margin-top: 0; }
.contact-side .side-card p + .h3 { margin-top: var(--s5); }
.preview { margin-top: var(--s5); padding-top: var(--s5); border-top: 3px dashed rgba(18, 48, 42, 0.45); }
.preview-box {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 0.95rem/1.55 var(--font-mono);
  background: var(--white);
  border: 2.5px dashed var(--leaf);
  border-radius: 14px;
  padding: var(--s4);
  max-height: 18rem;
  overflow: auto;
  margin: 0 0 var(--s3);
}

.faq { display: grid; gap: var(--s3); max-width: 860px; }
.faq details { background: var(--white); border: 2.5px solid var(--ink); border-radius: 20px; box-shadow: 0 4px 0 var(--ink); }
.faq summary {
  list-style: none;
  cursor: pointer;
  min-height: 56px;
  padding: 0.8rem 3.4rem 0.8rem 1.25rem;
  position: relative;
  font: 750 1.08rem var(--font-display);
  display: flex;
  align-items: center;
  border-radius: 18px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 1rem; top: 50%;
  width: 34px; height: 34px;
  margin-top: -17px;
  display: grid; place-items: center;
  background: var(--sun);
  border: 2px solid var(--ink);
  border-radius: 50%;
  font: 800 1.3rem/1 var(--font-display);
}
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 1.25rem 1.2rem; }
.faq summary:focus-visible { outline-offset: 2px; }

/* ==========================================================================
   Print: letters on paper, nothing else
   ========================================================================== */
@media print {
  body { background: #fff; color: #000; display: block; font-size: 12pt; }
  .bg-blobs, .site-header, .site-footer, .skip-link, .no-print, .btn, .chip { display: none !important; }
  .postcard { box-shadow: none; border: 2px solid #000; background: #fff; }
  body.reader-open .page-hero,
  body.reader-open .desk,
  body.reader-open #seal-result,
  body.reader-open .guide,
  body.reader-open .box-section > *:not(#reader) { display: none !important; }
  body.reader-open #reader { margin: 0; box-shadow: none; border: 0; }
  .reader-body { border: 0; background: none; line-height: 1.6; }
}

/* ==========================================================================
   Reduced motion: no animation, no transition, final static state
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    animation-duration: 0s !important;
    animation-delay: 0s !important;
    transition: none !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }
  .tilt-l, .tilt-r { transform: none; }
  .btn:hover, .btn:active, .chip:hover { transform: none; }
  .blob { transform: none; }
  .flip-inner, .flip.is-flipped .flip-inner { transform: none !important; transform-style: flat; }
  .face { backface-visibility: visible; -webkit-backface-visibility: visible; }
  .face--back { transform: none; display: none; }
  .flip.is-flipped .face--front { display: none; }
  .flip.is-flipped .face--back { display: flex; }
  #play-btn { display: none; }
}