html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}
body {
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.65;
}
a {
    text-decoration: none;
}
.wrap {
    width: min(1180px, calc(100% - 80px));
    margin-inline: auto;
}
.site-header {
    min-height: 96px;
    padding: 20px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}
.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    color: var(--color-text);
    line-height: 1.3;
    font-size: 15px;
    font-weight: 750;
    flex-shrink: 0;
}
.brand img {
    border-radius: 11px;
}
.brand small {
    display: block;
    font-size: 9px;
    letter-spacing: 0.22em;
    font-weight: 500;
    margin-top: 4px;
    color: var(--color-text-muted);
}
.site-header nav {
    display: flex;
    gap: 25px;
    font-size: 12px;
}
.site-header nav a,
.site-footer a {
    color: var(--color-text-muted);
}
.site-header nav a:hover,
.site-footer a:hover {
    color: var(--color-primary);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}
.theme-picker select {
    font-size: 11px;
}
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    background: var(--color-primary-fill);
    color: #fff;
    font-weight: 600;
    font-size: 13px;
    padding: 15px 22px;
    border: 1px solid transparent;
    border-radius: 9px;
    transition:
        background 0.2s,
        transform 0.2s;
    min-height: 48px;
}
.button:hover {
    background: #6336aa;
    color: #fff;
    transform: translateY(-2px);
}
.button-small {
    padding: 10px 16px;
    min-height: 42px;
    font-size: 12px;
    gap: 15px;
}
.button-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border-strong);
}
.button-secondary:hover {
    background: var(--color-hover);
    color: var(--color-text);
}
.landing-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
    padding-block: 92px 100px;
}
.eyebrow {
    display: block;
    font-size: 10px;
    letter-spacing: 0.15em;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 22px;
}
.status-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    background: #34865e;
    border-radius: 50%;
    margin-right: 8px;
}
h1 {
    font-size: clamp(46px, 5.1vw, 70px);
    line-height: 1.06;
    letter-spacing: -0.055em;
    font-weight: 750;
}
h1 em {
    font-style: normal;
    color: var(--color-primary);
}
.hero-copy > p {
    color: var(--color-text-muted);
    font-size: 15px;
    max-width: 460px;
    margin: 26px 0 30px;
    line-height: 1.9;
}
.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.hero-note {
    display: flex;
    gap: 9px;
    margin-top: 23px;
    font-size: 11px;
    color: var(--color-text-muted);
}
.hero-note > span {
    color: var(--success-text);
}
.register-link {
    display: block;
    margin-top: 15px;
    font-size: 12px;
    color: var(--color-primary);
}
.showcase {
    position: relative;
    padding: 40px 10px 46px;
}
.chess-pattern {
    position: absolute;
    inset: -15px -25px 0;
    border-radius: 30px;
    transform: rotate(-5deg);
    background-color: var(--purple-50);
    background-image: conic-gradient(
        var(--purple-100) 25%,
        transparent 0 50%,
        var(--purple-100) 0 75%,
        transparent 0
    );
    background-size: 100px 100px;
    opacity: 0.7;
}
.demo-board {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: 0 24px 60px #24103e18;
    overflow: hidden;
    transform: rotate(2deg);
}
.demo-top {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 19px;
    border-bottom: 1px solid var(--color-border);
    font-size: 12px;
    font-weight: 650;
}
.demo-logo {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    background: var(--purple-50);
    color: var(--color-primary);
    font-size: 26px;
    border-radius: 9px;
}
.demo-top small {
    display: block;
    font-weight: 400;
    font-size: 9px;
    color: var(--color-text-muted);
    margin-top: 3px;
}
.live-badge {
    margin-left: auto;
    font-size: 8px;
    border-radius: 20px;
    padding: 4px 9px;
    background: var(--success-bg);
    color: var(--success-text);
    white-space: nowrap;
}
.demo-heading {
    padding: 22px 20px 10px;
}
.demo-heading strong {
    display: block;
    font-size: 15px;
    letter-spacing: -0.03em;
}
.demo-heading > span {
    color: var(--color-text-muted);
    font-size: 9px;
}
.demo-row {
    margin: 10px 16px;
    padding: 14px 12px;
    display: flex;
    gap: 12px;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: 9px;
}
.table-number {
    font-size: 12px;
    font-weight: 650;
    color: var(--color-text-muted);
    background: var(--color-surface-raised);
    border-radius: 7px;
    padding: 8px;
}
.demo-row > div {
    flex: 1;
    min-width: 0;
}
.demo-row div > span {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    font-size: 11px;
    font-weight: 600;
}
.demo-row small {
    display: block;
    font-size: 10px;
    color: var(--color-text-muted);
    margin-top: 3px;
}
.demo-row b {
    font-size: 10px;
    white-space: nowrap;
}
.done-mark {
    color: var(--success-text);
    font-size: 13px;
}
.demo-row-active {
    background: var(--purple-50);
    border-color: var(--purple-200);
}
.demo-row-active b,
.pending-mark {
    color: var(--color-primary);
}
.demo-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 20px 15px;
    font-size: 9px;
    color: var(--color-text-muted);
}
.demo-bottom > span:last-child {
    font-size: 23px;
    color: var(--color-primary);
}
.offline-note {
    position: relative;
    display: flex;
    align-items: center;
    gap: 13px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 17px 19px;
    margin: 0 -15px -25px 40px;
    box-shadow: var(--shadow-lg);
    transform: rotate(-2deg);
}
.offline-icon {
    color: var(--color-primary);
    font-size: 28px;
}
.offline-note strong {
    display: block;
    font-size: 11px;
}
.offline-note small {
    display: block;
    font-size: 9px;
    color: var(--color-text-muted);
    margin-top: 3px;
}
.integration-strip {
    border-block: 1px solid var(--color-border);
    background: var(--color-surface);
}
.integration-strip > .wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 28px;
    padding-block: 23px;
}
.integration-strip span {
    font-size: 9px;
    color: var(--color-text-muted);
    letter-spacing: 0.06em;
}
.integration-strip strong {
    font-size: 17px;
    letter-spacing: -0.04em;
}
.integration-strip .strip-plus {
    color: var(--color-primary);
    font-size: 20px;
}
.integration-strip .strip-detail {
    letter-spacing: 0;
    font-size: 11px;
}
.section {
    padding-block: 90px;
}
.section-intro {
    margin-bottom: 40px;
}
h2 {
    font-size: clamp(29px, 3.4vw, 43px);
    font-weight: 700;
    letter-spacing: -0.045em;
    line-height: 1.18;
}
.section-intro > p {
    color: var(--color-text-muted);
    margin-top: 18px;
    font-size: 14px;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.feature-grid article {
    background: var(--color-surface);
    padding: 30px;
    border: 1px solid var(--color-border);
    border-radius: 15px;
}
.feature-symbol {
    display: grid;
    place-items: center;
    height: 48px;
    width: 48px;
    border-radius: 12px;
    color: var(--color-primary);
    background: var(--purple-50);
    font-size: 30px;
    margin-bottom: 36px;
}
.feature-number {
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    font-size: 9px;
    font-weight: 600;
}
h3 {
    font-size: 17px;
    line-height: 1.45;
    letter-spacing: -0.025em;
    margin: 12px 0;
}
.feature-grid p,
.steps p {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.85;
}
.workflow-section {
    border-block: 1px solid var(--color-border);
    background: var(--color-surface);
}
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    list-style: none;
    gap: 44px;
}
.steps li {
    border-top: 1px solid var(--color-border);
    padding-top: 22px;
}
.steps li > span {
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
}
.app-section {
    background: var(--purple-50);
    border: 1px solid var(--purple-200);
    border-radius: 22px;
    padding: 55px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}
.app-section > div > p {
    color: var(--color-text-muted);
    font-size: 14px;
    margin: 23px 0;
}
.app-section > div > small {
    display: block;
    font-size: 10px;
    color: var(--color-text-muted);
    margin-top: 15px;
}
.app-benefits {
    display: grid;
    gap: 24px;
}
.app-benefits > div {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--purple-200);
}
.app-benefits > div:last-child {
    border: 0;
    padding: 0;
}
.app-benefits > div > span {
    display: grid;
    place-items: center;
    background: var(--color-surface);
    color: var(--color-primary);
    height: 32px;
    width: 32px;
    border-radius: 50%;
    flex-shrink: 0;
}
.app-benefits strong {
    display: block;
    font-size: 14px;
}
.app-benefits small {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 5px;
}
.closing {
    text-align: center;
    padding: 5px 0 90px;
}
.closing .button {
    margin-top: 28px;
}
.site-footer {
    border-top: 1px solid var(--color-border);
    padding-block: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 11px;
    color: var(--color-text-muted);
}
section {
    scroll-margin-top: 20px;
}
@media (min-width: 1500px) {
    .landing-hero {
        padding-block: 120px;
    }
}
@media (max-width: 1100px) {
    .site-header nav {
        display: none;
    }
    .landing-hero {
        gap: 40px;
    }
    .actions .button {
        font-size: 11px;
        padding: 13px 16px;
        gap: 14px;
    }
    .app-section {
        padding: 38px;
        gap: 40px;
    }
}
@media (max-width: 760px) {
    .wrap {
        width: calc(100% - 40px);
    }
    .site-header {
        padding: 16px 20px;
        min-height: 80px;
        gap: 12px;
        flex-wrap: wrap;
    }
    .brand {
        font-size: 12px;
    }
    .brand img {
        width: 34px;
        height: 34px;
    }
    .header-actions {
        gap: 10px;
    }
    .header-actions .theme-picker {
        display: none;
    }
    .button-small {
        font-size: 10px;
        padding: 9px 11px;
        gap: 9px;
    }
    .landing-hero {
        grid-template-columns: 1fr;
        padding-block: 55px 60px;
        gap: 35px;
    }
    h1 {
        font-size: 54px;
    }
    .hero-copy > p {
        font-size: 14px;
    }
    .showcase {
        max-width: 500px;
        width: 100%;
        margin-inline: auto;
        padding: 25px 12px 35px;
    }
    .chess-pattern {
        inset: 0;
    }
    .offline-note {
        margin-left: 15px;
        margin-right: 0;
    }
    .integration-strip > .wrap {
        gap: 15px;
    }
    .integration-strip > .wrap > span:first-child {
        width: 100%;
        text-align: center;
    }
    .strip-detail {
        display: none;
    }
    .section {
        padding-block: 60px;
    }
    .feature-grid,
    .steps,
    .app-section {
        grid-template-columns: 1fr;
    }
    .feature-grid {
        gap: 15px;
    }
    .feature-grid article {
        padding: 26px;
    }
    .feature-symbol {
        margin-bottom: 22px;
    }
    .steps {
        gap: 25px;
    }
    .app-section {
        padding: 28px;
        gap: 35px;
    }
    .closing {
        padding-bottom: 60px;
    }
    .site-footer {
        flex-wrap: wrap;
    }
    .site-footer .brand {
        width: 100%;
    }
}
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .button {
        transition: none;
    }
}
/* Constrain the illustration to its column at intermediate widths. */
.landing-hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.hero-copy, .showcase { min-width: 0; }
main { overflow: clip; }
@media(max-width:760px) {
  .landing-hero { grid-template-columns: minmax(0, 1fr); }
  .header-actions .theme-picker { display:flex; }
  .header-actions .theme-picker select { width:80px; padding:7px 4px; font-size:10px; }
  .site-header .brand { font-size:11px; gap:7px; }
  .site-header .brand img { width:28px; height:28px; }
  .header-actions { gap:7px; }
  .site-header { padding-inline:15px; gap:8px; }
}

.launch-banner { display:flex; align-items:center; gap:24px; padding:20px 24px; background:var(--purple-50); border:1px solid var(--purple-200); border-radius:12px; margin-bottom:24px; }
.launch-banner strong { color:var(--color-primary); white-space:nowrap; font-size:14px; }.launch-banner span { font-size:12px; color:var(--color-text-muted); }
.pricing-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:18px; }.pricing-card { border:1px solid var(--color-border); background:var(--color-surface); border-radius:16px; padding:25px; }.pricing-card .eyebrow { min-height:32px; letter-spacing:.06em; margin-bottom:14px; }.regular-price { display:block; font-size:11px; color:var(--color-text-muted); margin-bottom:10px; }.credit-price { font-size:34px; font-weight:750; letter-spacing:-.05em; line-height:1.3; }.price-unit { font-size:12px; color:var(--color-text-muted); }.pricing-card p { font-size:12px; color:var(--color-text-muted); margin:22px 0; }.pricing-card .button { width:100%; font-size:11px; padding:12px; gap:12px; }.pricing-note { font-size:11px; color:var(--color-text-muted); margin-top:22px; }
@media(max-width:1000px) { .pricing-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(max-width:540px) { .pricing-grid { grid-template-columns:1fr; }.launch-banner { flex-direction:column; align-items:flex-start; gap:8px; }.pricing-card .eyebrow { min-height:0; } }

.about-intro { max-width:1180px; }.about-intro h1 { max-width:950px; }.about-lead { max-width:690px; color:var(--color-text-muted); font-size:17px; line-height:1.9; margin-top:30px; }.about-story { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:65px; align-items:start; }.about-story p { font-size:14px; line-height:1.9; color:var(--color-text-muted); margin-bottom:22px; }.about-story .button { margin-top:8px; }.about-actions { justify-content:center; margin-top:28px; }.about-actions .button { margin-top:0; }.site-header a[aria-current="page"] { color:var(--color-primary); font-weight:650; }
@media(max-width:760px) { .about-story { grid-template-columns:1fr; gap:28px; }.about-lead { font-size:15px; }.about-intro h1 { font-size:clamp(36px,8vw,54px); } }

.about-origin { padding-bottom:75px; margin-bottom:65px; border-bottom:1px solid var(--color-border); }.about-origin strong { color:var(--color-text); }
@media(max-width:760px) { .about-origin { padding-bottom:45px; margin-bottom:45px; } }