* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration-color: var(--line-2); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--dot); }
h1, h2, h3 { font-family: var(--display); }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.dot-pink { color: var(--dot); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) :is(.logo-mark, .foot-brand img) { filter: invert(1) hue-rotate(180deg); }
}
:root[data-theme="dark"] :is(.logo-mark, .foot-brand img) { filter: invert(1) hue-rotate(180deg); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--paper) 84%, transparent); backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.logo-mark { height: 46px; width: auto; display: block; }
.logo-sep { width: 1px; height: 22px; background: var(--line-2); }
.logo-name { font-family: var(--display); font-weight: 700; font-size: 17px; letter-spacing: -.01em; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: 14.5px; font-weight: 600; }
.nav-links a:hover { color: var(--ink); }
.nav-gh { display: inline-flex; align-items: center; gap: 6px; }
.nav-cta { padding: 8px 16px; border-radius: 999px; background: var(--brand); color: var(--on-brand) !important; }
.nav-cta:hover { opacity: .86; }

/* Hero */
.hero { position: relative; padding: 64px 0 56px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(var(--line-2) 1px, transparent 1px); background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 30%, transparent 75%); mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 30%, transparent 75%); }
.hero-in { display: flex; flex-direction: column; align-items: center; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 22px; font-size: 13px; font-weight: 600; color: var(--ink-2);
  padding: 6px 13px; border-radius: 99px; background: var(--card); border: 1px solid var(--line); }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--dot); box-shadow: 0 0 0 3px var(--dot-soft); }
h1 { font-size: clamp(40px, 6.4vw, 72px); line-height: 1.02; letter-spacing: -.035em; margin: 0 0 20px; font-weight: 700; }
.lead { font-size: clamp(17px, 2vw, 19px); color: var(--ink-2); max-width: 600px; margin: 0 0 40px; }
.tool-wrap { position: relative; width: 100%; max-width: 860px; text-align: left; }
.mascot { position: absolute; right: 28px; top: -58px; width: 84px; height: 84px; border-radius: 50%; z-index: 1;
  box-shadow: 0 10px 24px -8px rgba(10,10,10,.35); animation: peek 3.6s ease-in-out infinite; }
@keyframes peek { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-6px) rotate(4deg); } }
.tool-card { position: relative; z-index: 2; padding: 14px; border-radius: 28px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.trust { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px; color: var(--ink-3); font-size: 14px; }
.trust li { display: flex; align-items: center; gap: 6px; }
.trust b { color: var(--ink); }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(30px, 4.2vw, 44px); letter-spacing: -.025em; line-height: 1.1; margin: 0 0 12px; font-weight: 700; }
.sub { color: var(--ink-2); font-size: 17px; margin: 0 0 40px; max-width: 600px; }
#how h2 { margin-bottom: 40px; }
h3 { font-size: 19px; margin: 0 0 6px; letter-spacing: -.01em; font-weight: 700; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat { padding: 28px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.feat p, .tool p { margin: 0; color: var(--ink-2); font-size: 15px; }
.feat-ic, .tool-ic { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--brand); color: var(--on-brand); margin-bottom: 20px; }
.feat-ic svg, .tool-ic svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.tool { display: flex; flex-direction: column; padding: 24px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--paper); text-decoration: none; color: inherit; transition: transform .15s, border-color .15s, box-shadow .15s; }
.tool:hover { transform: translateY(-3px); border-color: var(--line-2); box-shadow: var(--shadow); }
.tool-ic { background: var(--sunk); color: var(--ink); }
.tool h3 { font-size: 17px; }
.tool p { font-size: 14px; flex: 1; }
.tool-go { margin-top: 16px; font-size: 13.5px; font-weight: 650; color: var(--ink-3); transition: color .15s; }
.tool:hover .tool-go { color: var(--dot); }

.ai-band { margin-top: 28px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; padding: 26px 28px; border-radius: 24px; background: #0a0a0a; color: #fff; }
.ai-mascot { width: 64px; height: 64px; border-radius: 50%; flex: none; box-shadow: 0 0 0 3px rgba(255,255,255,.12); }
.ai-text { flex: 1; min-width: 240px; }
.ai-band h3 { color: #fff; }
.ai-band p { margin: 0; color: rgba(255,255,255,.7); font-size: 15px; max-width: 460px; }
.ai-links { display: flex; flex-wrap: wrap; gap: 8px; }
.ai-links a { color: #0a0a0a; background: #fff; text-decoration: none; font-weight: 650; font-size: 14px; padding: 10px 16px; border-radius: 999px; transition: background .15s; }
.ai-links a:hover { background: var(--dot); color: #fff; }

.ext { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.ext .eyebrow { margin-bottom: 18px; }
.ext .sub { margin-bottom: 14px; }
.ext-note { color: var(--ink-3); font-size: 14.5px; margin: 0; }
.ext-mock { position: relative; height: 290px; }
.mock-img { position: absolute; inset: 0 30% 16% 0; border-radius: 20px; background: linear-gradient(140deg, #fcd34d, #f472b6 52%, #7c3aed); box-shadow: var(--shadow); overflow: hidden; }
.mock-img::after { content: ""; position: absolute; left: 14%; bottom: 0; width: 72%; height: 48%; background: rgba(255,255,255,.3); clip-path: polygon(0 100%, 35% 30%, 55% 65%, 75% 20%, 100% 100%); }
.mock-menu { position: absolute; right: 0; bottom: 0; width: 236px; padding: 6px; display: grid; background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 24px 48px -16px rgba(10,10,10,.4); font-size: 14px; }
.mock-menu span { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; color: var(--ink-2); }
.mock-menu .mock-hl { background: var(--brand); color: var(--on-brand); font-weight: 650; }
.mock-hl img { border-radius: 4px; }

.faq > * { max-width: 780px; }
.faq h2 { margin-bottom: 24px; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 36px 18px 0; font-weight: 650; font-size: 17px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 13px; font-size: 24px; font-weight: 400; color: var(--ink-3); transition: transform .2s, color .2s; }
.faq details[open] summary::after { transform: rotate(45deg); color: var(--dot); }
.faq details p { margin: 0 0 20px; color: var(--ink-2); }

.foot { padding: 40px 0 52px; color: var(--ink-3); font-size: 14px; }
.foot-in { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.foot p { margin: 0; }
.foot-brand { display: flex; align-items: center; gap: 12px; }
.foot-brand img { display: block; height: 33px; width: auto; }
.foot a { color: var(--ink-2); }

a:focus-visible, summary:focus-visible { outline: 2px solid var(--dot); outline-offset: 3px; border-radius: 6px; }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .ext { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .logo-sep, .logo-name { display: none; }
  .hero { padding: 40px 0 36px; }
  .mascot { display: none; }
  .tool-card { padding: 8px; border-radius: 22px; }
  .section { padding: 64px 0; }
  .grid-4 { grid-template-columns: 1fr; }
  .ai-band { padding: 22px; }
  .ext-mock { height: 230px; }
}
@media (prefers-reduced-motion: reduce) { .mascot { animation: none; } html { scroll-behavior: auto; } }