/* Hallmark · macrostructure: Working Demo · tone: focused utility · anchor hue: ember */
html, body { overflow-x: clip; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--color-paper); color: var(--color-ink); font-family: var(--font-body); font-size: 1rem; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
.shell { width: min(1120px, calc(100% - 3rem)); margin-inline: auto; }
.site-header { min-height: 5.5rem; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--color-line); }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-family: var(--font-mono); font-size: .82rem; letter-spacing: .04em; white-space: nowrap; }
.brand-mark { width: 1.8rem; height: 1.8rem; display: grid; place-items: center; border: 1px solid var(--color-accent); color: var(--color-accent); border-radius: 50%; font-family: var(--font-display); }
.nav-links { display: flex; align-items: center; gap: 1.4rem; font-size: .87rem; color: var(--color-ink-muted); }
.nav-links a { white-space: nowrap; }
.nav-links a:hover { color: var(--color-ink); }
.nav-links a:focus-visible, .text-link:focus-visible, .brand:focus-visible, .site-footer a:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 4px; }
.nav-cta { padding: .55rem .9rem; border: 1px solid var(--color-line); border-radius: 999px; color: var(--color-ink) !important; }
.nav-cta:hover { border-color: var(--color-accent); }
.eyebrow { margin: 0 0 1rem; color: var(--color-accent); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .13em; line-height: 1.3; }
.signal-dot, .live-label i { display: inline-block; width: .45rem; height: .45rem; margin-right: .45rem; border-radius: 50%; background: var(--color-success); box-shadow: 0 0 0 .22rem oklch(78% 0.16 150 / .12); }
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(2rem, 7vw, 6rem); align-items: center; padding-block: clamp(4.5rem, 11vw, 8rem); }
.hero h1, h2, h3 { font-family: var(--font-display); font-style: normal; line-height: 1.12; letter-spacing: -.045em; }
.hero h1 { max-width: 9ch; margin: 0; font-size: clamp(3.5rem, 7vw, 6.8rem); overflow-wrap: anywhere; }
.accent-text { color: var(--color-accent); }
.hero-lede { max-width: 34rem; margin: 1.7rem 0 0; color: var(--color-ink-muted); font-size: 1.1rem; }
.hero-actions { display: flex; align-items: center; gap: 1.25rem; margin-top: 2.2rem; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; min-height: 3rem; padding: .75rem 1.15rem; border: 1px solid transparent; border-radius: 999px; font-weight: 700; white-space: nowrap; cursor: pointer; transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(1px); }
.button:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.button-primary { background: var(--color-accent); color: var(--color-paper); }
.button-primary:hover { background: var(--color-accent-strong); }
.button-primary:disabled, .button-primary[aria-disabled="true"] { opacity: .5; cursor: not-allowed; transform: none; }
.button-compact { min-height: 2.7rem; padding: .6rem .9rem; background: var(--color-accent); color: var(--color-paper); font-size: .86rem; }
.text-link { color: var(--color-ink-muted); font-size: .9rem; white-space: nowrap; }
.text-link:hover { color: var(--color-accent); }
.trust-row { display: flex; flex-wrap: wrap; gap: .55rem .8rem; margin-top: 3rem; color: var(--color-ink-muted); font-family: var(--font-mono); font-size: .66rem; }
.trust-row span { padding-right: .8rem; border-right: 1px solid var(--color-line); }
.trust-row span:last-child { border-right: 0; }
.demo-card { position: relative; padding: clamp(1.25rem, 3vw, 2rem); background: var(--color-paper-raised); border: 1px solid var(--color-line); border-radius: var(--radius-lg); box-shadow: 1.2rem 1.2rem 0 var(--color-paper-soft); }
.demo-card::before { content: ""; position: absolute; top: -1px; left: 2rem; width: 4rem; height: 2px; background: var(--color-accent); }
.demo-topline { display: flex; justify-content: space-between; color: var(--color-ink-muted); font-family: var(--font-mono); font-size: .65rem; letter-spacing: .09em; }
.live-label { color: var(--color-success); }
.demo-context { margin: 2.2rem 0 1.6rem; padding: .8rem 1rem; background: var(--color-paper-soft); border-radius: var(--radius-sm); color: var(--color-ink-muted); font-size: .85rem; }
.input-label { display: block; margin-bottom: .45rem; color: var(--color-ink-muted); font-size: .8rem; }
.input-row { display: flex; gap: .6rem; }
input { min-width: 0; width: 100%; padding: .7rem .8rem; border: 1px solid var(--color-line); border-radius: var(--radius-sm); background: var(--color-paper); color: var(--color-ink); font: inherit; }
input:hover { border-color: var(--color-ink-muted); }
input:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; border-color: var(--color-focus); }
input[aria-invalid="true"] { border-color: var(--color-accent-strong); }
.candidate-list { display: grid; gap: .5rem; margin-top: 1.3rem; }
.candidate { display: grid; grid-template-columns: 1.6rem 1fr auto; gap: .7rem; align-items: center; padding: .75rem .8rem; border: 1px solid var(--color-line); border-radius: var(--radius-sm); background: transparent; color: var(--color-ink); font: inherit; text-align: left; cursor: pointer; transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.candidate:hover, .candidate.is-hover { border-color: var(--color-accent); transform: translateX(3px); }
.candidate:active, .candidate.is-active { transform: translateX(1px); }
.candidate:focus-visible, .candidate.is-focus { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.candidate.is-selected { border-color: var(--color-accent); background: oklch(76% 0.16 35 / .1); }
.candidate-key { color: var(--color-accent); font-family: var(--font-mono); font-size: .75rem; }
.candidate-note { color: var(--color-ink-muted); font-size: .72rem; }
.demo-status { min-height: 1.7rem; margin: 1rem 0 0; color: var(--color-ink-muted); font-size: .78rem; }
.demo-status.is-success { color: var(--color-success); }
.section { padding-block: var(--space-3xl); border-top: 1px solid var(--color-line); }
.section-intro { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 2rem; align-items: start; margin-bottom: 3rem; }
.section-intro .eyebrow { margin-top: .5rem; }
h2 { margin: 0; font-size: clamp(2.5rem, 5vw, 4.8rem); overflow-wrap: anywhere; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.feature-card { min-height: 17rem; padding: 1.5rem; border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper-raised); }
.feature-card-dark { background: var(--color-paper-soft); }
.feature-index { color: var(--color-accent); font-family: var(--font-mono); font-size: .72rem; }
.feature-card h3 { margin: 4.5rem 0 1rem; font-size: 1.55rem; letter-spacing: -.03em; }
.feature-card p { margin: 0; color: var(--color-ink-muted); font-size: .92rem; }
.section-contrast { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 2rem; background: var(--color-paper-raised); }
.section-contrast.shell { width: 100%; padding-inline: max(1.5rem, calc((100% - 1120px) / 2)); }
.steps { display: grid; gap: 0; }
.step { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem; padding-block: 1.25rem; border-bottom: 1px solid var(--color-line); }
.step > span { color: var(--color-accent); font-family: var(--font-mono); }
.step h3 { margin: 0 0 .35rem; font-size: 1.35rem; letter-spacing: -.02em; }
.step p { margin: 0; color: var(--color-ink-muted); }
.download-banner { display: flex; justify-content: space-between; align-items: end; gap: 2rem; padding-block: var(--space-3xl); }
.download-banner h2 { font-size: clamp(2.4rem, 5vw, 4.4rem); }
.download-banner p:not(.eyebrow) { max-width: 35rem; color: var(--color-ink-muted); }
.site-footer { display: flex; justify-content: space-between; padding-block: 1.4rem; border-top: 1px solid var(--color-line); color: var(--color-ink-muted); font-family: var(--font-mono); font-size: .72rem; }
.site-footer div { display: flex; gap: 1.2rem; }
.site-footer a:hover { color: var(--color-accent); }
@media (max-width: 780px) { .shell { width: min(100% - 2rem, 680px); } .site-header { min-height: 4.5rem; } .nav-links a:not(.nav-cta) { display: none; } .hero { grid-template-columns: 1fr; padding-block: 4rem; } .hero h1 { max-width: 12ch; font-size: clamp(3.1rem, 15vw, 5.5rem); } .hero-lede { font-size: 1rem; } .demo-card { box-shadow: .7rem .7rem 0 var(--color-paper-soft); } .section-intro, .section-contrast { grid-template-columns: 1fr; } .section-intro { margin-bottom: 2rem; } .feature-grid { grid-template-columns: 1fr; } .feature-card { min-height: auto; } .feature-card h3 { margin-top: 2rem; } .download-banner { align-items: start; flex-direction: column; } .site-footer { align-items: flex-start; flex-direction: column; gap: .7rem; } }
@media (max-width: 420px) { .shell { width: min(100% - 1.25rem, 380px); } .brand { font-size: .72rem; } .hero-actions { align-items: stretch; flex-direction: column; } .button, .text-link { width: 100%; } .input-row { align-items: stretch; flex-direction: column; } .trust-row span { border-right: 0; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; } }