/* Layout: one left-aligned column. Big headline, then the product itself as the hero (a board you can move cards on), then quiet plain-text sections. */

/* hero */
.hero {
    padding-block: clamp(40px, 8vw, 88px) 40px;
    display: grid;
    gap: 26px;
    max-width: 760px
}

.hero h1 {
    font-size: clamp(2.5rem, 7.2vw, 4.6rem);
    font-weight: 560;
    letter-spacing: -.04em;
    line-height: 1
}

.hero p.sub {
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    color: var(--mute);
    max-width: 56ch;
    line-height: 1.55
}

.cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px 20px
}

.cta small {
    color: var(--mute);
    font-size: .92rem
}

/* demo */
.demo {
    margin-top: 8px
}

.frame {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
    overflow: hidden
}

.bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    font-size: .875rem;
    font-weight: 600
}

.bar span {
    color: var(--mute);
    font-weight: 400
}

.cols {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    padding: 12px;
    background: var(--bg)
}

.col {
    background: var(--well);
    border-radius: 12px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0
}

.ch {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 6px 6px;
    font-size: .875rem;
    font-weight: 600
}

.ch .n {
    color: var(--mute);
    font-weight: 400
}

.card {
    all: unset;
    box-sizing: border-box;
    display: block;
    cursor: pointer;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 12px 11px;
    font-size: .9rem;
    line-height: 1.4;
    transition: border-color .12s, transform .12s
}

.card:hover {
    border-color: var(--mute)
}

.card:active {
    transform: scale(.985)
}

.card:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px
}

.cid {
    display: block;
    color: var(--mute);
    font-size: .75rem;
    font-variant-numeric: tabular-nums;
    margin-bottom: 2px
}

.ttl {
    display: block;
    font-weight: 500
}

.meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 8px;
    margin-top: 9px;
    font-size: .75rem;
    color: var(--mute)
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 20px;
    padding-inline: 7px 8px;
    border: 1px solid var(--line);
    border-radius: 10px
}

.dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: hsl(var(--h) 62% 55%)
}

.sp {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-variant-numeric: tabular-nums
}

.due {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap
}

.due.soon {
    color: var(--warn)
}

.due.od {
    color: var(--bad)
}

.due.dn {
    color: var(--mute);
    opacity: .7
}

.card.done .ttl {
    color: var(--mute)
}

.land {
    animation: land .38s cubic-bezier(.2, .9, .3, 1.15)
}

@keyframes land {
    0% {
        transform: scale(1.05) rotate(1.5deg);
        box-shadow: var(--shadow)
    }

    100% {
        transform: none;
        box-shadow: 0 0 0 transparent
    }
}

.hint {
    padding: 12px 16px 14px;
    color: var(--mute);
    font-size: .875rem;
    border-top: 1px solid var(--line)
}

/* sections */
section {
    padding-block: clamp(56px, 9vw, 104px) 0
}

.sec h2 {
    font-size: clamp(1.7rem, 3.6vw, 2.4rem);
    font-weight: 560;
    letter-spacing: -.03em;
    line-height: 1.1;
    max-width: 20ch
}

.sec .lead {
    margin-top: 14px;
    color: var(--mute);
    max-width: 58ch
}

.sec .lead a {
    text-underline-offset: 3px
}

.sec .lead a:hover {
    color: var(--ink)
}

.feat {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 56px
}

.feat h3 {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -.01em
}

.feat p {
    margin-top: 6px;
    color: var(--mute);
    font-size: 1rem;
    max-width: 46ch
}

.end {
    padding-block: clamp(56px, 9vw, 104px) clamp(48px, 8vw, 88px)
}

@media (max-width:760px) {
    .cols {
        grid-template-columns: minmax(0, 1fr)
    }

    .feat {
        grid-template-columns: minmax(0, 1fr);
        gap: 26px
    }
}

@media (prefers-reduced-motion:reduce) {
    .land {
        animation: none
    }

    .card {
        transition: none
    }
}