/* leaf notes — public landing (index.html).
   Tokens come from leaf-tokens.css; this file only adds landing layout and motion. */

:root {
  --gold: var(--leaf-color-gold-200);
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 48px);
  --header-h: 72px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.045 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply; opacity: .55;
}
::selection { background: var(--forest); color: var(--cream); }
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:where(a, button, summary, [tabindex]):focus-visible { outline: 2px solid var(--forest); outline-offset: 3px; border-radius: 6px; }
kbd { display: inline-block; min-width: 1.6em; padding: 1px 6px; border: 1px solid var(--rule-strong); border-bottom-width: 2px; border-radius: 6px; background: var(--paper); font-family: var(--mono); font-size: .78em; line-height: 1.5; text-align: center; }

.wrap { position: relative; z-index: 2; width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: 10px; background: var(--ink); color: var(--cream); font-size: 14px; font-weight: 600; }
.skip-link:focus { top: 12px; }

/* ── Type ─────────────────────────────────────────────── */
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.display { font-family: var(--serif); font-weight: 400; letter-spacing: -.02em; line-height: 1.02; }
.display em, .hero-title em { font-style: italic; font-weight: 500; color: var(--forest); }
.lead { max-width: 58ch; color: var(--ink-soft); font-size: clamp(16px, 1.4vw, 18px); line-height: 1.65; }

/* ── Brand (shared wordmark: bold forest "leaf", lighter ink "notes") ── */
.brand { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; flex: 0 0 auto; }
.brand img { width: 30px; height: 30px; flex: 0 0 auto; }
.brand-word { color: var(--forest); font-family: var(--sans); font-size: 22px; font-weight: 700; letter-spacing: -.05em; line-height: 1; white-space: nowrap; }
.brand-word em { font-style: normal; font-weight: 450; color: var(--ink); }

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 24px; border: 1px solid transparent; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: .005em; white-space: nowrap;
  transition: background var(--t-slow), color var(--t-slow), border-color var(--t-slow), transform var(--t-slow), box-shadow var(--t-slow);
}
.btn .arrow { transition: transform var(--t-slow); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.btn-primary:hover { background: var(--forest); border-color: var(--forest); transform: translateY(-2px); box-shadow: var(--shadow-cta); }
.btn-quiet { color: var(--ink); border-color: var(--rule-strong); background: color-mix(in srgb, var(--paper) 60%, transparent); }
.btn-quiet:hover { border-color: var(--ink); background: var(--paper); }
.btn-outline { color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--cream); }
.btn-light { background: var(--cream); color: var(--ink); border-color: var(--cream); }
.btn-light:hover { background: var(--sage); border-color: var(--sage); transform: translateY(-2px); }
.glogo { width: 17px; height: 17px; flex: 0 0 auto; }
.play-ico { width: 12px; height: 12px; color: var(--forest); }

/* ── Header ───────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--cream) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.2); -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-slow), background var(--t-slow);
}
.site-header.is-scrolled { border-bottom-color: var(--rule); background: color-mix(in oklab, var(--cream) 92%, transparent); }
.header-inner { display: flex; align-items: center; gap: 24px; height: var(--header-h); }
.site-nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.site-nav a { position: relative; padding: 8px 0; color: var(--ink-soft); font-size: 14px; font-weight: 600; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 1px; background: var(--forest); transform: scaleX(0); transform-origin: left; transition: transform var(--t-slow); }
.site-nav a:hover { color: var(--forest); }
.site-nav a:hover::after, .site-nav a.is-current::after { transform: scaleX(1); }
.site-nav a.is-current { color: var(--forest); }
.site-nav .nav-signin-mobile { display: none; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-btn { min-width: 42px; min-height: 36px; padding: 0 10px; border: 1px solid var(--rule-strong); border-radius: 999px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .12em; transition: color var(--t), border-color var(--t); }
.lang-btn:hover { color: var(--ink); border-color: var(--ink); }
.gbtn { display: inline-flex; align-items: center; gap: 9px; min-height: 40px; padding: 0 18px; border: 1px solid var(--ink); border-radius: 999px; font-size: 14px; font-weight: 600; transition: background var(--t-slow), color var(--t-slow); }
.gbtn:hover { background: var(--ink); color: var(--cream); }
.menu-toggle { display: none; width: 42px; height: 42px; place-items: center; border: 1px solid var(--rule-strong); border-radius: 50%; }
.menu-toggle svg { width: 20px; height: 20px; }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

/* ── Hero ─────────────────────────────────────────────── */
.hero { position: relative; padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 8vw, 104px); overflow: hidden; }
.hero-glow { position: absolute; z-index: 0; inset: -20% -10% auto; height: 900px; background: radial-gradient(40% 50% at 70% 40%, color-mix(in srgb, var(--sage) 90%, transparent) 0%, transparent 70%), radial-gradient(30% 40% at 15% 20%, color-mix(in srgb, var(--gold) 55%, transparent) 0%, transparent 70%); opacity: .7; pointer-events: none; animation: glow 18s ease-in-out infinite alternate; }
@keyframes glow { to { transform: translate3d(-4%, 3%, 0) scale(1.06); } }
.hero-eyebrow { margin-bottom: 26px; letter-spacing: .16em; }
.pulse-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--forest); }
.pulse-dot::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--forest); animation: ping 2.2s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(1); opacity: .6; } 80%, 100% { transform: scale(3.2); opacity: 0; } }
.hero-title { max-width: 16ch; font-family: var(--serif); font-size: clamp(46px, 8.4vw, 132px); font-weight: 400; line-height: .95; letter-spacing: -.03em; }
.hero-sub { display: grid; grid-template-columns: minmax(0, 1.1fr) auto; gap: 24px 64px; align-items: end; margin-top: clamp(24px, 3vw, 40px); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.hero-meta { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; color: var(--muted); font-size: 13px; font-weight: 600; }
.hero-meta li { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta li::before { content: ""; width: 14px; height: 14px; border-radius: 50%; background: var(--forest-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='m6 12.5 4 4L18 8.5' fill='none' stroke='%23123D2D' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / 10px no-repeat; }

.hero-stage { position: relative; margin-top: clamp(40px, 6vw, 72px); }
.mock-note { margin-top: 14px; color: var(--muted-2); font-size: 12px; text-align: center; }

/* Live demo window */
.demo-window { position: relative; overflow: hidden; border: 1px solid var(--rule-strong); border-radius: 18px; background: var(--paper); box-shadow: 0 1px 0 color-mix(in srgb, var(--paper) 70%, transparent) inset, 0 40px 80px -40px color-mix(in srgb, var(--ink) 30%, transparent), 0 80px 140px -60px color-mix(in srgb, var(--forest) 30%, transparent); }
.demo-bar { display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 0 18px; border-bottom: 1px solid var(--rule); background: var(--cream-deep); }
.demo-dots { display: flex; gap: 6px; }
.demo-dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--rule-strong); }
.demo-brand { display: inline-flex; align-items: center; gap: 6px; margin-left: 6px; }
.demo-brand .brand-word { font-size: 16px; }
.demo-badge { padding: 4px 10px; border-radius: 999px; background: var(--sage); color: var(--forest); font-size: 12px; font-weight: 700; }
.demo-status { display: inline-flex; align-items: center; gap: 7px; margin-left: auto; padding: 4px 10px; border: 1px solid var(--rule); border-radius: 999px; background: var(--paper); color: var(--muted); font-family: var(--mono); font-size: 11px; letter-spacing: .04em; }
.demo-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--forest); }
.demo-status[data-state="typing"] i { background: var(--leaf-color-gold-600); animation: blinkdot 1s steps(2) infinite; }
.demo-status[data-state="processing"] i { background: var(--forest); animation: ping-soft 1.1s ease-in-out infinite; }
@keyframes blinkdot { 50% { opacity: .2; } }
@keyframes ping-soft { 50% { transform: scale(1.6); opacity: .5; } }
.demo-close { padding: 6px 12px; border-radius: 999px; background: var(--ink); color: var(--cream); font-size: 12px; font-weight: 600; }
.demo-body { display: grid; grid-template-columns: minmax(0, 1.08fr) 1px minmax(0, 1fr); min-height: 460px; }
.demo-divider { position: relative; background: var(--rule); }
.demo-divider span { position: absolute; top: 50%; left: 50%; display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--rule-strong); border-radius: 50%; background: var(--cream); color: var(--forest); font-family: var(--serif); font-style: italic; transform: translate(-50%, -50%); }
.demo-pane { position: relative; display: flex; flex-direction: column; min-width: 0; padding: 22px clamp(18px, 2.4vw, 32px); }
.demo-pane-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 16px; color: var(--muted-2); font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.demo-tools { display: inline-flex; gap: 4px; letter-spacing: 0; text-transform: none; }
.demo-tools > * { display: grid; place-items: center; min-width: 24px; height: 24px; padding: 0 5px; border-radius: 6px; background: var(--cream); color: var(--ink-soft); font-size: 11px; font-weight: 600; }
.demo-tools mark { background: var(--gold); }
.demo-doc { flex: 1; font-family: var(--serif); font-size: 17px; line-height: 1.7; color: var(--ink-soft); }
.demo-doc h4 { margin-bottom: 10px; font-family: var(--serif); font-size: 24px; font-weight: 500; letter-spacing: -.01em; color: var(--ink); line-height: 1.2; }
.demo-doc ul { padding-left: 20px; }
.demo-doc li { margin-bottom: 6px; }
.demo-doc li::marker { color: var(--forest); }
.demo-doc mark { background: var(--gold); color: inherit; padding: 0 2px; border-radius: 2px; }
.caret { display: inline-block; width: 2px; height: 1.05em; margin-left: 1px; background: var(--ink); vertical-align: -3px; animation: blinkdot 1s steps(2) infinite; }
.demo-foot { display: flex; justify-content: space-between; gap: 10px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--rule); color: var(--muted-2); font-family: var(--mono); font-size: 11px; }
.demo-saved { color: var(--forest); }
.demo-ai { background: color-mix(in srgb, var(--cream) 55%, var(--paper)); }
.demo-tabs { display: flex; gap: 18px; margin-bottom: 16px; border-bottom: 1px solid var(--rule); }
.demo-tabs > span { padding: 0 0 10px; color: var(--muted); font-size: 13px; font-weight: 600; }
.demo-tabs > span em { font-family: var(--serif); font-style: italic; }
.demo-tabs .is-active { color: var(--forest); box-shadow: inset 0 -2px 0 var(--forest); }
.demo-cards { flex: 1; display: grid; align-content: start; gap: 10px; }
.demo-empty { color: var(--muted-2); font-family: var(--serif); font-style: italic; font-size: 16px; }
.demo-card { padding: 13px 15px; border: 1px solid var(--rule); border-radius: 12px; background: var(--paper); box-shadow: 0 8px 18px -14px color-mix(in srgb, var(--ink) 40%, transparent); animation: card-in .7s var(--ease) both; }
.demo-card strong { display: flex; align-items: baseline; gap: 8px; margin-bottom: 3px; font-family: var(--serif); font-size: 18px; font-weight: 500; line-height: 1.25; }
.demo-card .tag { padding: 2px 7px; border-radius: 4px; background: var(--sage); color: var(--forest); font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; }
.demo-card p { color: var(--muted); font-size: 13px; line-height: 1.5; }
@keyframes card-in { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
.demo-context { display: flex; align-items: center; gap: 8px; margin-top: 14px; padding: 9px 12px; border: 1px dashed var(--rule-strong); border-radius: 10px; color: var(--muted); font-size: 12px; font-weight: 600; }
.demo-context svg { width: 15px; height: 15px; color: var(--forest); }

/* Annotations under the demo: fixed, one per column */
.demo-notes-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 18px; list-style: none; }
.demo-notes-row li { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border: 1px solid var(--rule); border-radius: 14px; background: var(--paper); color: var(--ink-soft); font-size: 14px; font-weight: 600; }
.demo-notes-row svg { width: 18px; height: 18px; flex: 0 0 auto; color: var(--forest); }

/* ── Sections ─────────────────────────────────────────── */
.section { position: relative; padding: clamp(72px, 10vw, 128px) 0; }
.section-tint { background: linear-gradient(180deg, var(--cream-deep), color-mix(in srgb, var(--cream-deep) 40%, var(--cream))); }
.section-head { display: grid; gap: 18px; max-width: 760px; margin-bottom: clamp(40px, 6vw, 64px); }
.section-head .display { font-size: clamp(36px, 5.4vw, 68px); }
.section-head-center { margin-inline: auto; text-align: center; justify-items: center; }

/* Steps */
.steps { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2.4vw, 28px); list-style: none; }
.steps::before { content: ""; position: absolute; left: 0; right: 0; top: 22px; height: 1px; background: var(--rule-strong); }
.steps::after { content: ""; position: absolute; left: 0; top: 22px; height: 1px; width: calc(var(--progress, 0) * 100%); background: var(--forest); transition: width .2s linear; }
.step { position: relative; display: flex; flex-direction: column; }
.step-num { position: relative; z-index: 1; display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 24px; border: 1px solid var(--forest); border-radius: 50%; background: var(--cream); color: var(--forest); font-family: var(--serif); font-size: 17px; font-weight: 500; letter-spacing: .04em; }
.step-art { position: relative; height: 188px; margin-bottom: 26px; overflow: hidden; border: 1px solid var(--rule); border-radius: 18px; background: var(--paper); }
.step-kicker { margin-bottom: 6px; color: var(--forest); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.step h3 { margin-bottom: 10px; font-family: var(--serif); font-size: clamp(26px, 2.4vw, 32px); font-weight: 400; line-height: 1.1; letter-spacing: -.01em; }
.step p:last-child { color: var(--muted); font-size: 15px; line-height: 1.65; }

.art-files .art-folder { position: absolute; left: 50%; bottom: 20px; display: flex; align-items: center; gap: 10px; padding: 12px 18px; border: 1px solid var(--forest); border-radius: 14px; background: var(--forest-soft); color: var(--forest); font-weight: 700; font-size: 14px; transform: translateX(-50%); white-space: nowrap; }
.art-files .art-folder svg { width: 20px; height: 20px; }
.art-file { position: absolute; top: 0; padding: 7px 12px; border: 1px solid var(--rule-strong); border-radius: 9px; background: var(--cream); font-family: var(--mono); font-size: 11px; white-space: nowrap; opacity: 0; }
.is-visible .art-file { animation: drop 4.8s var(--ease) infinite; }
.art-file.f1 { left: 5%; }
.art-file.f2 { left: 36%; top: 14px; animation-delay: .5s !important; }
.art-file.f3 { right: 5%; animation-delay: 1s !important; }
@keyframes drop { 0% { opacity: 0; transform: translateY(-10px) rotate(-4deg); } 15% { opacity: 1; transform: translateY(26px) rotate(2deg); } 55% { opacity: 1; transform: translateY(38px) rotate(0); } 75%, 100% { opacity: 0; transform: translateY(96px) scale(.7); } }

.art-organize { display: flex; align-items: center; justify-content: center; gap: 18px; padding: 24px; }
.art-lines, .art-cards { display: grid; gap: 9px; width: 42%; }
.art-lines i { display: block; height: 8px; border-radius: 4px; background: var(--rule-strong); transform-origin: left; }
.art-lines i:nth-child(2) { width: 82%; } .art-lines i:nth-child(3) { width: 92%; } .art-lines i:nth-child(4) { width: 60%; }
.art-cards i { display: block; height: 30px; border: 1px solid var(--rule); border-left: 3px solid var(--forest); border-radius: 8px; background: var(--cream); }
.art-arrow { color: var(--forest); font-family: var(--serif); font-style: italic; font-size: 22px; }
.is-visible .art-lines i { animation: write 4.2s var(--ease) infinite; }
.is-visible .art-lines i:nth-child(2) { animation-delay: .35s; } .is-visible .art-lines i:nth-child(3) { animation-delay: .7s; } .is-visible .art-lines i:nth-child(4) { animation-delay: 1.05s; }
.is-visible .art-cards i { animation: pop 4.2s var(--ease) infinite; }
.is-visible .art-cards i:nth-child(1) { animation-delay: 1.2s; } .is-visible .art-cards i:nth-child(2) { animation-delay: 1.6s; } .is-visible .art-cards i:nth-child(3) { animation-delay: 2s; }
@keyframes write { 0% { transform: scaleX(0); } 25%, 85% { transform: scaleX(1); } 100% { transform: scaleX(0); opacity: .3; } }
@keyframes pop { 0%, 10% { opacity: 0; transform: translateX(-10px); } 25%, 70% { opacity: 1; transform: none; } 90%, 100% { opacity: 0; } }

.art-close { display: grid; align-content: center; gap: 10px; padding: 22px 26px; }
.art-check { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid var(--rule); border-radius: 10px; background: var(--cream); font-size: 14px; font-weight: 600; }
.art-check svg { width: 20px; height: 20px; padding: 3px; border: 1px solid var(--rule-strong); border-radius: 6px; color: transparent; transition: color .3s, background-color .3s, border-color .3s; }
.is-visible .art-check svg { animation: tick 4.5s var(--ease) infinite; }
.is-visible .art-check.c2 svg { animation-delay: .5s; } .is-visible .art-check.c3 svg { animation-delay: 1s; }
@keyframes tick { 0%, 12% { color: transparent; background: transparent; border-color: var(--rule-strong); } 22%, 88% { color: var(--cream); background: var(--forest); border-color: var(--forest); } 100% { color: transparent; background: transparent; } }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.tile { position: relative; display: flex; flex-direction: column; gap: 10px; padding: clamp(22px, 2.4vw, 30px); overflow: hidden; border: 1px solid var(--rule); border-radius: 22px; background: var(--paper); transition: transform var(--t-slow), box-shadow var(--t-slow), border-color var(--t-slow); }
.tile:hover { transform: translateY(-4px); border-color: var(--rule-strong); box-shadow: 0 24px 40px -28px color-mix(in srgb, var(--ink) 45%, transparent); }
.tile h3 { font-family: var(--serif); font-size: clamp(22px, 2vw, 27px); font-weight: 500; line-height: 1.15; letter-spacing: -.01em; }
.tile p { color: var(--muted); font-size: 15px; line-height: 1.6; }
.tile-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 4px; border-radius: 12px; background: var(--forest-soft); color: var(--forest); }
.tile-icon svg { width: 21px; height: 21px; }
.tile-editor { grid-column: span 4; grid-row: span 2; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 28px; align-items: center; }
.tile-editor .tile-copy { display: grid; gap: 10px; align-content: start; }
.tile-ai { grid-column: span 2; grid-row: span 2; background: var(--forest); color: var(--cream); border-color: var(--forest); }
.tile-ai p { color: color-mix(in srgb, var(--cream) 75%, transparent); }
.tile-ai .tile-icon { background: color-mix(in srgb, var(--cream) 14%, transparent); color: var(--sage); }
.tile-context, .tile-library { grid-column: span 3; }
.tile-safe, .tile-export { grid-column: span 3; }
.tile-mini { grid-column: span 2; }
.tile-visual { margin-top: auto; }

.mini-editor { border: 1px solid var(--rule); border-radius: 14px; background: var(--cream); overflow: hidden; }
.me-toolbar { display: flex; flex-wrap: wrap; gap: 4px; padding: 8px; border-bottom: 1px solid var(--rule); background: var(--cream-deep); }
.me-toolbar > * { display: grid; place-items: center; min-width: 26px; height: 26px; padding: 0 7px; border-radius: 7px; background: var(--paper); font-size: 12px; font-weight: 600; font-style: normal; }
.me-toolbar i { font-style: italic; font-family: var(--serif); font-size: 14px; }
.me-toolbar mark { background: var(--gold); }
.me-doc { padding: 16px 18px 18px; font-family: var(--serif); }
.me-h { font-size: 22px; font-weight: 500; margin-bottom: 4px; }
.me-p { color: var(--ink-soft); font-size: 15px; }
.me-math { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 12px 0; padding: 10px; border-radius: 10px; background: var(--paper); font-size: 20px; }
.me-math var { font-style: italic; }
.frac { display: inline-grid; text-align: center; font-size: 15px; line-height: 1.3; }
.frac span:first-child { border-bottom: 1px solid var(--ink); padding: 0 4px 2px; }
.frac span:last-child { padding-top: 2px; }
.me-table { display: grid; grid-template-columns: 1fr auto; border: 1px solid var(--rule-strong); border-radius: 8px; overflow: hidden; font-family: var(--sans); font-size: 13px; }
.me-table span { padding: 6px 10px; border-bottom: 1px solid var(--rule); }
.me-table span:nth-child(even) { border-left: 1px solid var(--rule); text-align: right; font-family: var(--mono); font-size: 12px; }
.me-table span:nth-child(-n+2) { background: var(--cream-deep); font-weight: 700; }
.me-table span:nth-last-child(-n+2) { border-bottom: 0; }

.ai-stack { display: grid; gap: 8px; margin-top: 18px; }
.ai-card { padding: 11px 14px; border-radius: 12px; background: color-mix(in srgb, var(--cream) 10%, transparent); border: 1px solid color-mix(in srgb, var(--cream) 18%, transparent); font-family: var(--serif); font-size: 17px; }
.ai-card.ai-q { font-style: italic; background: var(--cream); color: var(--forest); }
.is-visible .ai-card { animation: card-in .8s var(--ease) both; }
.is-visible .ai-card:nth-child(2) { animation-delay: .2s; } .is-visible .ai-card:nth-child(3) { animation-delay: .4s; }

.ctx-list { display: grid; gap: 8px; margin-top: 8px; }
.ctx-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border: 1px solid var(--rule); border-radius: 10px; background: var(--cream); color: var(--muted); font-family: var(--mono); font-size: 12px; }
.ctx-item i { position: relative; width: 28px; height: 16px; flex: 0 0 auto; border-radius: 999px; background: var(--rule-strong); transition: background var(--t-slow); }
.ctx-item i::after { content: ""; position: absolute; top: 2px; left: 2px; width: 12px; height: 12px; border-radius: 50%; background: var(--paper); transition: transform var(--t-slow); }
.ctx-item.is-on { color: var(--ink); }
.ctx-item.is-on i { background: var(--forest); }
.ctx-item.is-on i::after { transform: translateX(12px); }

.lib-search { display: grid; gap: 8px; margin-top: 8px; }
.lib-input { display: flex; align-items: center; min-height: 40px; padding: 0 14px; border: 1px solid var(--forest); border-radius: 12px; background: var(--cream); font-size: 14px; box-shadow: 0 0 0 4px var(--forest-soft); }
.lib-caret { width: 1.5px; height: 16px; margin-left: 2px; background: var(--ink); animation: blinkdot 1s steps(2) infinite; }
.lib-hit { padding: 10px 14px; border: 1px solid var(--rule); border-radius: 12px; background: var(--paper); color: var(--muted); font-size: 13px; line-height: 1.5; }
.lib-hit b { color: var(--forest); }
.lib-hit mark { background: var(--gold); color: var(--ink); }

/* Tutorials */
.tutorials { display: grid; grid-template-columns: minmax(250px, 320px) minmax(0, 1fr); gap: clamp(20px, 3vw, 36px); align-items: start; }
.tut-list { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 8px; }
.tut-tab { position: relative; display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center; padding: 16px 18px; overflow: hidden; border: 1px solid var(--rule); border-radius: 16px; background: var(--paper); text-align: left; transition: border-color var(--t-slow), background var(--t-slow), transform var(--t-slow); }
.tut-tab:hover { border-color: var(--rule-strong); transform: translateX(3px); }
.tut-tab[aria-selected="true"] { border-color: var(--forest); background: var(--forest); color: var(--cream); }
.tut-no { font-family: var(--mono); font-size: 12px; color: var(--muted-2); }
.tut-tab[aria-selected="true"] .tut-no { color: var(--sage); }
.tut-name strong { display: block; font-family: var(--serif); font-size: 19px; font-weight: 500; line-height: 1.2; }
.tut-name small { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; font-weight: 600; }
.tut-tab[aria-selected="true"] .tut-name small { color: color-mix(in srgb, var(--cream) 70%, transparent); }
.tut-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: transparent; }
.tut-progress i { display: block; height: 100%; width: calc(var(--p, 0) * 100%); background: var(--sage); }
.tut-panel { display: grid; gap: 22px; }
.tut-panel[hidden] { display: none; }
.tut-panel.is-entering { animation: panel-in .5s var(--ease); }
@keyframes panel-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.tut-steps { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; padding: clamp(20px, 2.6vw, 28px); border: 1px solid var(--rule); border-radius: 18px; background: var(--paper); }
.tut-steps h3 { font-family: var(--serif); font-size: 26px; font-weight: 500; letter-spacing: -.01em; }
.tut-steps ol { display: grid; gap: 12px; list-style: none; counter-reset: s; }
.tut-steps li { position: relative; padding-left: 40px; color: var(--ink-soft); font-size: 15px; line-height: 1.6; counter-increment: s; }
.tut-steps li::before { content: counter(s); position: absolute; left: 0; top: -1px; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--forest-soft); color: var(--forest); font-size: 13px; font-weight: 700; }
.tut-tip { padding: 12px 14px; border-radius: 12px; background: var(--cream-deep); color: var(--ink-soft); font-size: 14px; }
.video-note { margin-top: 18px; color: var(--muted-2); font-size: 12px; text-align: center; }

.video-frame { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border: 1px solid var(--rule-strong); border-radius: 18px; background: var(--paper) var(--poster, none) center / cover no-repeat; box-shadow: 0 30px 60px -36px color-mix(in srgb, var(--ink) 45%, transparent); }
.video-frame.is-portrait { aspect-ratio: 9 / 16; max-height: 78vh; margin-inline: auto; }
.video-frame video { width: 100%; height: 100%; object-fit: cover; }
.video-toggle { position: absolute; right: 14px; bottom: 14px; display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 0 14px; border-radius: 999px; background: color-mix(in srgb, var(--ink) 82%, transparent); color: var(--cream); font-size: 13px; font-weight: 600; backdrop-filter: blur(6px); transition: background var(--t); }
.video-toggle:hover { background: var(--forest); }
.video-toggle svg { width: 13px; height: 13px; }
.video-toggle[data-state="paused"] .icon-pause, .video-toggle[data-state="playing"] .icon-play { display: none; }

/* Principles */
.principles { background: var(--forest); color: var(--cream); overflow: hidden; }
.principles .eyebrow { color: var(--sage); }
.principles .display em { color: var(--sage); }
.principle-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; list-style: none; border-top: 1px solid color-mix(in srgb, var(--cream) 18%, transparent); }
.principle { padding: 30px 26px 10px 0; border-right: 1px solid color-mix(in srgb, var(--cream) 12%, transparent); }
.principle + .principle { padding-left: 26px; }
.principle:last-child { border-right: 0; }
.principle-no { display: block; margin-bottom: 38px; color: var(--sage); font-family: var(--mono); font-size: 12px; }
.principle h3 { margin-bottom: 10px; font-family: var(--serif); font-size: 25px; font-weight: 400; line-height: 1.15; }
.principle p { color: color-mix(in srgb, var(--cream) 70%, transparent); font-size: 15px; line-height: 1.65; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; max-width: 980px; margin: 0 auto; }
.tier { display: flex; flex-direction: column; padding: clamp(30px, 4vw, 46px); border: 1px solid var(--rule-strong); border-radius: 26px; background: var(--paper); transition: transform var(--t-slow), box-shadow var(--t-slow); }
.tier:hover { transform: translateY(-4px); box-shadow: 0 30px 50px -36px color-mix(in srgb, var(--ink) 50%, transparent); }
.tier-pro { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.tier-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 24px; }
.tname { font-family: var(--serif); font-size: 38px; font-weight: 400; line-height: 1; }
.tier-tag { color: var(--muted); font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-align: right; text-transform: uppercase; }
.tier-pro .tier-tag { color: color-mix(in srgb, var(--cream) 60%, transparent); }
.price { display: flex; align-items: baseline; gap: 8px; }
.price-num { font-family: var(--serif); font-size: clamp(56px, 6vw, 76px); line-height: 1; letter-spacing: -.03em; }
.price-period { color: var(--muted); font-size: 14px; }
.tier-pro .price-period { color: color-mix(in srgb, var(--cream) 60%, transparent); }
.tier-lede { margin: 16px 0 26px; color: var(--muted); font-family: var(--serif); font-size: 19px; font-style: italic; line-height: 1.4; }
.tier-pro .tier-lede { color: color-mix(in srgb, var(--cream) 72%, transparent); }
.feat { display: grid; gap: 13px; margin-bottom: 32px; list-style: none; }
.feat li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; line-height: 1.5; }
.feat li::before { content: ""; flex: 0 0 auto; width: 18px; height: 18px; margin-top: 2px; border: 1px solid var(--forest); border-radius: 50%; background: radial-gradient(circle, var(--forest) 0 3px, transparent 4px); }
.tier-pro .feat li::before { border-color: var(--sage); background: radial-gradient(circle, var(--sage) 0 3px, transparent 4px); }
.tier .btn { margin-top: auto; align-self: flex-start; }
.pricing-note { margin-top: 26px; color: var(--muted); font-family: var(--serif); font-size: 17px; font-style: italic; text-align: center; }

/* FAQ */
.faq-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.faq-layout .section-head { position: sticky; top: calc(var(--header-h) + 24px); margin-bottom: 0; }
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--rule); border-radius: 16px; background: var(--paper); transition: border-color var(--t-slow), box-shadow var(--t-slow); }
.faq details[open] { border-color: var(--rule-strong); box-shadow: 0 16px 30px -26px color-mix(in srgb, var(--ink) 50%, transparent); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 22px; cursor: pointer; list-style: none; font-family: var(--serif); font-size: 20px; line-height: 1.3; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; display: grid; place-items: center; flex: 0 0 auto; width: 30px; height: 30px; border: 1px solid var(--rule-strong); border-radius: 50%; color: var(--forest); font-family: var(--sans); font-size: 18px; transition: transform var(--t-slow), background var(--t-slow), color var(--t-slow); }
.faq details[open] summary::after { transform: rotate(45deg); background: var(--forest); color: var(--cream); border-color: var(--forest); }
.faq .answer { padding: 0 22px 20px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.faq details[open] .answer { animation: panel-in .45s var(--ease); }

/* Closing */
.closing { position: relative; padding: clamp(88px, 12vw, 150px) 0; overflow: hidden; background: var(--forest); color: var(--cream); text-align: center; }
.closing .wrap { display: grid; justify-items: center; gap: 22px; }
.closing .display { max-width: 16ch; font-size: clamp(44px, 7vw, 96px); }
.closing .display em { color: var(--sage); }
.closing .lead { color: color-mix(in srgb, var(--cream) 78%, transparent); }
.closing-leaves img { position: absolute; width: 240px; opacity: .08; filter: invert(1) brightness(2); animation: sway 12s ease-in-out infinite; }
.closing-leaves img:nth-child(1) { left: -40px; top: -30px; transform: rotate(-24deg); }
.closing-leaves img:nth-child(2) { right: -30px; bottom: -40px; width: 320px; animation-delay: -4s; }
.closing-leaves img:nth-child(3) { right: 18%; top: 10%; width: 110px; animation-delay: -8s; }
@keyframes sway { 50% { translate: 0 -14px; rotate: 6deg; } }

/* Footer */
.site-footer { position: relative; z-index: 2; padding: 64px 0 28px; border-top: 1px solid var(--rule); background: var(--paper); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 32px; }
.footer-brand p { max-width: 30ch; margin-top: 14px; color: var(--muted); font-size: 14px; }
.site-footer h2 { margin-bottom: 14px; color: var(--muted-2); font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.site-footer ul { display: grid; gap: 10px; list-style: none; }
.site-footer ul a, .footer-lang { color: var(--ink-soft); font-size: 14px; font-weight: 500; }
.site-footer ul a:hover, .footer-lang:hover { color: var(--forest); }
.footer-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--rule); color: var(--muted-2); font-size: 12px; }

/* ── Reveal ───────────────────────────────────────────── */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .reveal-media { transform: translateY(40px) scale(.98); }

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 1100px) {
  .site-nav { gap: 22px; }
  .tile-editor { grid-column: span 6; }
  .tile-ai { grid-column: span 6; grid-row: auto; }
  .ai-stack { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .principle-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .principle { padding: 28px 24px 28px 0 !important; border-bottom: 1px solid color-mix(in srgb, var(--cream) 12%, transparent); }
  .principle:nth-child(2n) { padding-left: 24px !important; border-right: 0; }
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .menu-toggle { display: grid; }
  .header-actions .gbtn { display: none; }
  .header-actions { margin-left: auto; }
  .site-nav { position: fixed; inset: var(--header-h) 0 auto; z-index: 49; display: grid; gap: 0; margin: 0; padding: 8px var(--gutter) 22px; border-bottom: 1px solid var(--rule); background: var(--cream); box-shadow: 0 30px 40px -30px color-mix(in srgb, var(--ink) 40%, transparent); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity var(--t-slow), transform var(--t-slow), visibility var(--t-slow); }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .site-nav a { padding: 15px 0; border-bottom: 1px solid var(--rule); font-family: var(--serif); font-size: 24px; font-weight: 400; }
  .site-nav a::after { display: none; }
  .site-nav .nav-signin-mobile { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 18px; padding: 14px; border: 1px solid var(--ink); border-radius: 999px; font-family: var(--sans); font-size: 15px; font-weight: 600; }
  .hero-sub { grid-template-columns: 1fr; }
  .hero-ctas { justify-content: flex-start; }
  .demo-body { grid-template-columns: 1fr; min-height: 0; }
  .demo-divider { display: none; }
  .demo-ai { border-top: 1px solid var(--rule); }
  .demo-doc { min-height: 220px; }
  .demo-cards { min-height: 230px; }
  .steps { grid-template-columns: 1fr; gap: 44px; }
  .steps::before, .steps::after { left: 22px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .steps::after { height: calc(var(--progress, 0) * 100%); width: 1px; }
  .step { padding-left: 64px; }
  .step-num { position: absolute; left: 0; top: 0; }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tile-editor, .tile-ai { grid-column: span 2; }
  .tile-editor { grid-template-columns: 1fr; }
  .tile-context, .tile-library, .tile-safe, .tile-export { grid-column: span 1; }
  .tile-mini { grid-column: span 2; display: grid; grid-template-columns: auto 1fr; column-gap: 16px; align-items: center; }
  .tile-mini .tile-icon { grid-row: span 2; margin: 0; }
  .tutorials { grid-template-columns: 1fr; }
  .tut-list { position: static; display: flex; gap: 8px; margin-inline: calc(var(--gutter) * -1); padding: 0 var(--gutter) 6px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .tut-list::-webkit-scrollbar { display: none; }
  .tut-tab { flex: 0 0 auto; width: min(260px, 72vw); scroll-snap-align: start; }
  .tut-tab:hover { transform: none; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-layout .section-head { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .brand-word { font-size: 20px; }
  .brand img { width: 26px; height: 26px; }
  .hero-title { font-size: clamp(42px, 12.5vw, 64px); }
  .hero-ctas .btn { flex: 1 1 100%; }
  .demo-bar { gap: 8px; padding: 0 12px; }
  .demo-dots, .demo-close { display: none; }
  .demo-brand { margin-left: 0; }
  .demo-brand .brand-word { font-size: 15px; }
  .demo-status { font-size: 10px; }
  .demo-tools { display: none; }
  .demo-doc { font-size: 15px; }
  .demo-doc h4 { font-size: 20px; }
  .demo-pane { padding: 18px 16px; }
  .demo-notes-row { grid-template-columns: 1fr; gap: 8px; }
  .demo-doc { min-height: 190px; }
  .demo-cards { min-height: 200px; }
  .art-file { padding: 6px 9px; font-size: 10px; }
  .step-art { height: 168px; }
  .bento { grid-template-columns: 1fr; }
  .tile-editor, .tile-ai, .tile-context, .tile-library, .tile-safe, .tile-export, .tile-mini { grid-column: auto; }
  .ai-stack { grid-template-columns: 1fr; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle, .principle:nth-child(2n) { padding: 24px 0 !important; border-right: 0; }
  .principle-no { margin-bottom: 16px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .tier .btn { align-self: stretch; }
  .faq summary { padding: 18px; font-size: 18px; }
  .faq .answer { padding: 0 18px 18px; }
  .closing .btn { width: 100%; white-space: normal; }
  .footer-grid { gap: 28px 18px; }
  .video-toggle span { display: none; }
  .video-toggle { width: 40px; padding: 0; justify-content: center; }
}

@media (max-width: 380px) {
  .lang-btn { min-width: 36px; padding: 0 6px; }
  .header-inner { gap: 10px; }
  .demo-badge { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .art-file, .art-cards i { opacity: 1; }
}