/* KeyStamp — AI-first landing additions (v4). Pairs with landing2.css. */

/* ---- AI studio hero mockup ---- */
.ai-studio {
    display: grid;
    grid-template-columns: .92fr 1.1fr .82fr;
    gap: 0;
}

.ais-col {
    padding: 1rem;
    border-right: 1px solid var(--ks-line);
}

.ais-col:last-child {
    border-right: 0;
}

.ais-label {
    font-size: .58rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--ks-fg3);
    margin-bottom: .6rem;
    display: flex;
    align-items: center;
    gap: .35rem;
}

.ais-label .ks-icon {
    color: var(--ks-primary);
}

.ai-prompt {
    background: var(--ks-soft);
    border: 1px solid var(--ks-line);
    border-radius: var(--ks-r-md);
    padding: .65rem .7rem;
    font-size: .72rem;
    font-weight: 600;
    color: var(--ks-fg1);
    line-height: 1.45;
    position: relative;
}

.ai-prompt .caret {
    display: inline-block;
    width: 2px;
    height: 11px;
    background: var(--ks-primary);
    margin-left: 1px;
    vertical-align: -1px;
    animation: caret 1.1s step-end infinite;
}

@keyframes caret {
    50% {
        opacity: 0;
    }
}

.ai-cmds {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    margin-top: .7rem;
}

.ai-cmd {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    font-size: .62rem;
    font-weight: 700;
    color: var(--ks-primary-deep);
    background: var(--ks-primary-soft);
    border: 1px solid #fff;
    border-radius: 999px;
    padding: .25rem .5rem;
}

.ai-cmd .ks-icon {
    width: 10px;
    height: 10px;
    color: var(--ks-primary);
}

.ai-gen-btn {
    margin-top: .7rem;
    width: 100%;
    background: var(--ks-gradient-strong);
    color: #fff;
    border: 0;
    border-radius: var(--ks-r-md);
    padding: .5rem;
    font-size: .72rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    box-shadow: 0 8px 18px rgba(37, 99, 255, .22);
}

.ais-preview {
    background: linear-gradient(135deg, var(--ks-primary-soft), #E6FAFE);
    border-radius: var(--ks-r-md);
    padding: 1rem;
    display: grid;
    place-items: center;
    min-height: 150px;
}

.ais-sig {
    background: #fff;
    border-radius: var(--ks-r-md);
    box-shadow: var(--ks-shadow-card);
    padding: .9rem;
    width: 100%;
}

.ais-ctrl {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .4rem 0;
    border-bottom: 1px solid var(--ks-line);
    font-size: .68rem;
    font-weight: 700;
    color: var(--ks-fg2);
}

.ais-ctrl:last-child {
    border-bottom: 0;
}

.swatches {
    display: flex;
    gap: .28rem;
}

.sw {
    width: 16px;
    height: 16px;
    border-radius: 5px;
    border: 1.5px solid #fff;
    box-shadow: 0 0 0 1px var(--ks-line);
}

.sw.on {
    box-shadow: 0 0 0 2px var(--ks-primary);
}

.ais-export {
    display: grid;
    gap: .35rem;
    margin-top: .7rem;
}

.ais-export .xb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .3rem;
    font-size: .64rem;
    font-weight: 800;
    border: 1px solid var(--ks-line);
    border-radius: var(--ks-r-sm);
    padding: .4rem;
    color: var(--ks-fg1);
    background: #fff;
}

.ais-export .xb.primary {
    background: var(--ks-primary);
    color: #fff;
    border-color: var(--ks-primary);
}

.ais-variations {
    grid-column: 1/-1;
    border-top: 1px solid var(--ks-line);
    padding: .7rem 1rem;
    display: flex;
    align-items: center;
    gap: .5rem;
    overflow: hidden;
}

.var-chip {
    font-size: .64rem;
    font-weight: 800;
    border: 1px solid var(--ks-line);
    border-radius: 999px;
    padding: .3rem .65rem;
    color: var(--ks-fg2);
    white-space: nowrap;
    background: #fff;
}

.var-chip.active {
    background: var(--ks-primary-soft);
    border-color: var(--ks-primary);
    color: var(--ks-primary-deep);
}

@media (max-width: 560px) {
    .ai-studio {
        grid-template-columns: 1fr;
    }

    .ais-col {
        border-right: 0;
        border-bottom: 1px solid var(--ks-line);
    }
}

/* ---- AI command list (editor section) ---- */
.cmd-list {
    display: grid;
    gap: .55rem;
    margin-top: 1.4rem;
}

.cmd-row {
    display: flex;
    align-items: center;
    gap: .6rem;
    border: 1px solid var(--ks-line);
    background: #fff;
    border-radius: var(--ks-r-md);
    padding: .7rem .9rem;
    font-size: .88rem;
    font-weight: 600;
    color: var(--ks-fg1);
    box-shadow: var(--ks-shadow-card);
    transition: transform .2s var(--ks-ease), border-color .2s ease;
}

.cmd-row:hover {
    transform: translateX(4px);
    border-color: rgba(37, 99, 255, .4);
}

.cmd-row .ks-icon {
    color: var(--ks-primary);
    flex: 0 0 auto;
}

.cmd-row .qmark {
    font-family: var(--ks-mono);
    color: var(--ks-fg3);
    font-size: .78rem;
}

/* ---- pricing ---- */
.price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    margin-top: 2.5rem;
}

.price-card {
    border: 1px solid var(--ks-line);
    background: #fff;
    border-radius: var(--ks-r-2xl);
    padding: 1.8rem 1.6rem;
    box-shadow: var(--ks-shadow-card);
    display: flex;
    flex-direction: column;
    transition: transform .3s var(--ks-ease), box-shadow .3s ease;
}

.price-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--ks-shadow-pop);
}

.price-card.featured {
    border-color: var(--ks-primary);
    box-shadow: 0 0 0 1px var(--ks-primary), var(--ks-shadow-pop);
    position: relative;
}

.price-tag {
    position: absolute;
    top: -11px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--ks-gradient-strong);
    color: #fff;
    font-size: .64rem;
    font-weight: 800;
    padding: .25rem .7rem;
    border-radius: 999px;
    letter-spacing: .04em;
}

.price-name {
    font-size: .8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ks-primary);
}

.price-amt {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -.03em;
    margin: .6rem 0 0;
}

.price-amt span {
    font-size: .9rem;
    font-weight: 600;
    color: var(--ks-fg2);
}

.price-desc {
    font-size: .84rem;
    color: var(--ks-fg2);
    margin: .3rem 0 1.1rem;
    font-weight: 500;
}

.price-feats {
    display: grid;
    gap: .6rem;
    flex: 1;
    margin-bottom: 1.4rem;
}

.price-feat {
    display: flex;
    align-items: flex-start;
    gap: .5rem;
    font-size: .85rem;
    font-weight: 600;
    color: var(--ks-fg1);
}

.price-feat .ks-icon {
    color: var(--ks-success);
    flex: 0 0 auto;
    margin-top: 1px;
}

@media (max-width: 880px) {
    .price-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* ---- use case cards ---- */
.uc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
    margin-top: 2.5rem;
}

.uc-card {
    border: 1px solid var(--ks-line);
    background: #fff;
    border-radius: var(--ks-r-xl);
    padding: 1.4rem;
    box-shadow: var(--ks-shadow-card);
    transition: transform .3s var(--ks-ease), box-shadow .3s ease, border-color .3s ease;
}

.uc-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ks-shadow-pop);
    border-color: rgba(37, 99, 255, .35);
}

.uc-ic {
    width: 42px;
    height: 42px;
    border-radius: var(--ks-r-md);
    background: var(--ks-primary-soft);
    color: var(--ks-primary-deep);
    display: grid;
    place-items: center;
}

.uc-card h3 {
    font-size: 1rem;
    font-weight: 800;
    margin: .9rem 0 0;
}

.uc-card p {
    font-size: .85rem;
    color: var(--ks-fg2);
    line-height: 1.55;
    margin: .45rem 0 0;
    font-weight: 500;
}

@media (max-width: 880px) {
    .uc-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 560px) {
    .uc-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- AI sparkle pulse ---- */
.spark {
    display: inline-grid;
    place-items: center;
}

.ai-pill {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    border: 1px solid var(--ks-primary-soft);
    background: var(--ks-primary-soft);
    color: var(--ks-primary-deep);
    border-radius: 999px;
    padding: .3rem .7rem;
    font-size: .72rem;
    font-weight: 800;
}

.ai-pill .ks-icon {
    color: var(--ks-primary);
}

/* ---- hero editor mockup (replicates the Template Editor) ---- */
.hero-editor-wrap {
    position: relative;
    perspective: 1400px;
}

.he-frame {
    border-radius: 22px;
    background: #fff;
    border: 1px solid rgba(216, 231, 247, .95);
    overflow: hidden;
    box-shadow: 0 40px 90px rgba(37, 99, 235, .18), 0 18px 40px rgba(15, 23, 42, .08);
    transform: rotateX(4deg) rotateY(-7deg);
    transform-style: preserve-3d;
    transition: transform .6s var(--ks-ease);
}

.hero-editor-wrap:hover .he-frame {
    transform: rotateX(2deg) rotateY(-3deg);
}

.he-top {
    display: flex;
    align-items: center;
    gap: .5rem;
    height: 46px;
    padding: 0 .7rem;
    background: linear-gradient(180deg, #F7FBFF, #EEF7FF);
    border-bottom: 1px solid var(--ks-line);
}

.he-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 7px;
    background: #fff;
    border: 1px solid var(--ks-line);
    color: var(--ks-primary);
}

.he-tname {
    font-size: .68rem;
    font-weight: 800;
    color: var(--ks-fg1);
}

.he-badge {
    font-size: .54rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--ks-primary-deep);
    background: var(--ks-primary-soft);
    border: 1px solid #BFD4FF;
    border-radius: 999px;
    padding: .12rem .4rem;
}

.he-center {
    margin: 0 auto;
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-size: .64rem;
    font-weight: 800;
    color: var(--ks-fg1);
}

.he-center .ks-icon {
    color: #67E8F9;
}

.he-save {
    font-size: .6rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #2F80ED, #2563EB);
    border-radius: 8px;
    padding: .3rem .6rem;
    box-shadow: 0 6px 14px rgba(37, 99, 235, .28);
}

.he-chip {
    font-size: .58rem;
    font-weight: 800;
    color: var(--ks-fg2);
    background: #fff;
    border: 1px solid var(--ks-line);
    border-radius: 7px;
    padding: .22rem .45rem;
}

.he-body {
    display: grid;
    grid-template-columns: 58px 168px 1fr;
    min-height: 320px;
}

.he-rail {
    background: linear-gradient(180deg, #F5FAFF, #EAF5FF);
    border-right: 1px solid var(--ks-line);
    padding: .5rem .25rem;
    display: flex;
    flex-direction: column;
    gap: .2rem;
}

.he-rail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .15rem;
    padding: .4rem .25rem;
    border-radius: 11px;
    font-size: .48rem;
    font-weight: 800;
    color: var(--ks-fg2);
}

.he-rail-item .ks-icon {
    width: 15px;
    height: 15px;
}

.he-rail-item.active {
    background: linear-gradient(135deg, #E7F1FF, #D8EAFF);
    color: var(--ks-primary-deep);
    box-shadow: 0 6px 14px rgba(37, 99, 235, .14);
}

.he-rail-item.active .ks-icon {
    color: var(--ks-primary);
}

.he-panel {
    background: #fff;
    border-right: 1px solid var(--ks-line);
    padding: .8rem .7rem;
}

.he-pl {
    font-size: .52rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--ks-fg3);
    display: flex;
    align-items: center;
    gap: .25rem;
    margin-bottom: .5rem;
}

.he-pl .ks-icon {
    color: var(--ks-primary);
}

.he-prompt {
    background: var(--ks-soft);
    border: 1px solid var(--ks-line);
    border-radius: 10px;
    padding: .5rem .55rem;
    font-size: .58rem;
    font-weight: 600;
    color: var(--ks-fg1);
    line-height: 1.45;
}

.he-pchips {
    display: flex;
    flex-wrap: wrap;
    gap: .25rem;
    margin-top: .5rem;
}

.he-pchip {
    font-size: .5rem;
    font-weight: 800;
    color: var(--ks-primary-deep);
    background: var(--ks-primary-soft);
    border: 1px solid #fff;
    border-radius: 999px;
    padding: .15rem .4rem;
}

.he-gen {
    margin-top: .6rem;
    width: 100%;
    background: linear-gradient(135deg, #2563FF, #22D3EE);
    color: #fff;
    border-radius: 9px;
    padding: .42rem;
    font-size: .56rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .25rem;
    box-shadow: 0 8px 16px rgba(37, 99, 235, .22);
}

.he-canvas {
    position: relative;
    padding: 1.4rem 1rem;
    display: grid;
    place-items: center;
    background: linear-gradient(rgba(37, 99, 235, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(37, 99, 235, .04) 1px, transparent 1px), linear-gradient(135deg, #F8FBFF, #EEF7FF);
    background-size: 26px 26px, 26px 26px, 100% 100%;
}

.he-sig {
    background: #fff;
    border: 1px solid var(--ks-line);
    border-radius: 14px;
    box-shadow: 0 18px 44px rgba(37, 99, 235, .12);
    padding: 1rem 1.1rem;
    width: 100%;
    max-width: 300px;
    font-family: Arial, sans-serif;
}

.he-sel {
    background: rgba(37, 99, 235, .08);
    outline: 1.5px solid rgba(37, 99, 235, .5);
    border-radius: 6px;
    padding: 1px 4px;
    display: inline-block;
}

.he-pop {
    position: absolute;
    bottom: .7rem;
    right: .8rem;
    width: 184px;
    background: #fff;
    border: 1px solid #CFE1F5;
    border-radius: 12px;
    box-shadow: 0 18px 40px rgba(37, 99, 235, .18);
    padding: .6rem .65rem;
}

.he-pop-h {
    font-size: .56rem;
    font-weight: 800;
    color: var(--ks-fg1);
    display: flex;
    align-items: center;
    gap: .25rem;
    margin-bottom: .4rem;
}

.he-pop-h .ks-icon {
    color: var(--ks-primary);
}

.he-pop-f {
    font-size: .5rem;
    font-weight: 700;
    color: var(--ks-fg3);
    margin: .35rem 0 .1rem;
}

.he-pop-in {
    width: 100%;
    background: var(--ks-soft);
    border: 1px solid var(--ks-line);
    border-radius: 6px;
    padding: .28rem .4rem;
    font-size: .52rem;
    font-weight: 600;
    color: var(--ks-fg1);
    font-family: var(--ks-mono);
}

.he-pop-ai {
    display: flex;
    gap: .2rem;
    margin-top: .4rem;
    flex-wrap: wrap;
}

.he-pop-ai span {
    font-size: .46rem;
    font-weight: 800;
    color: var(--ks-primary-deep);
    background: var(--ks-primary-soft);
    border-radius: 999px;
    padding: .12rem .35rem;
}

/* floating insight cards */
.he-float {
    position: absolute;
    z-index: 3;
    background: rgba(255, 255, 255, .9);
    border: 1px solid var(--ks-line);
    border-radius: 14px;
    padding: .55rem .7rem;
    box-shadow: 0 18px 44px rgba(37, 99, 235, .14), inset 0 1px 0 rgba(255, 255, 255, .8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: .5rem;
    animation: heFloat 5s ease-in-out infinite;
}

.he-float .fi-ic {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
}

.he-float .fi-t {
    font-size: .62rem;
    font-weight: 800;
    color: var(--ks-fg1);
    line-height: 1.2;
}

.he-float .fi-s {
    font-size: .54rem;
    font-weight: 600;
    color: var(--ks-fg2);
}

.he-float.f1 {
    top: -18px;
    right: 8%;
    animation-delay: 0s;
}

.he-float.f2 {
    bottom: 34px;
    left: -26px;
    animation-delay: -1.6s;
}

.he-float.f3 {
    bottom: -16px;
    right: 14%;
    animation-delay: -3.2s;
}

@keyframes heFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-7px);
    }
}

@media (max-width: 1024px) {
    .he-frame {
        transform: none;
    }

    .hero-editor-wrap:hover .he-frame {
        transform: none;
    }

    .he-float.f2 {
        left: -8px;
    }
}

@media (max-width: 560px) {
    .he-body {
        grid-template-columns: 46px 1fr;
    }

    .he-panel {
        display: none;
    }

    .he-float {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .he-float {
        animation: none;
    }
}