/* Clear Desk Blue — homepage: full-bleed Dock Rail */

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .home-hero-copy,
    .dock-rail {
        animation: none !important;
        transform: none !important;
        opacity: 1 !important;
    }
}

body {
    margin: 0;
    font-family: var(--tq-font-body);
    color: var(--tq-ink);
    background: var(--tq-ice);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--tq-signal);
    outline-offset: 3px;
}

/* —— Hero：文案克制，舞台全幅 —— */
.home-hero {
    position: relative;
    padding: clamp(36px, 5vw, 64px) 0 0;
    overflow: hidden;
}

.home-hero::before {
    content: "";
    position: absolute;
    inset: 0 0 35% 0;
    background:
        radial-gradient(ellipse 80% 70% at 70% 0%, rgba(21, 94, 239, 0.18), transparent 58%),
        radial-gradient(ellipse 45% 50% at 8% 20%, rgba(11, 31, 58, 0.07), transparent 55%);
    pointer-events: none;
}

.home-hero-copy {
    position: relative;
    max-width: 720px;
    margin-bottom: clamp(36px, 5vw, 56px);
    animation: heroRise 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.home-brand {
    font-family: var(--tq-font-display);
    font-size: clamp(3.4rem, 7.2vw, 5.75rem);
    font-weight: 700;
    letter-spacing: -0.055em;
    line-height: 0.98;
    color: var(--tq-ink);
    margin: 0 0 18px;
}

.home-brand span {
    display: inline-block;
    color: var(--tq-signal);
}

.home-headline {
    font-family: var(--tq-font-display);
    font-size: clamp(1.35rem, 2.4vw, 1.85rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.35;
    color: var(--tq-ink-soft);
    margin: 0 0 16px;
    max-width: 28ch;
}

.home-support {
    margin: 0 0 32px;
    color: var(--tq-steel);
    font-size: 1.05rem;
    max-width: 36rem;
    line-height: 1.7;
}

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

.home-cta-note {
    margin: 16px 0 0;
    font-size: 13px;
    color: var(--tq-steel);
    letter-spacing: 0.01em;
}

@keyframes heroRise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

/* Dock Rail — full-bleed signature plane */
.dock-stage {
    position: relative;
    width: 100%;
    margin: 0;
    padding: 0;
    background:
        linear-gradient(180deg, transparent 0%, rgba(11, 31, 58, 0.04) 100%),
        var(--tq-mist);
    border-top: 1px solid var(--tq-line);
}

.dock-stage-frame {
    width: min(100%, 1480px);
    margin: 0 auto;
}

.dock-stage-inner {
    display: grid;
    grid-template-columns: minmax(200px, 0.52fr) minmax(0, 1.8fr);
    gap: 0;
    align-items: stretch;
    box-shadow: 0 -8px 60px rgba(11, 31, 58, 0.08);
}

.dock-chat {
    position: relative;
    padding: clamp(28px, 3.5vw, 40px) clamp(20px, 2.5vw, 32px);
    background: linear-gradient(165deg, #fbfcfe 0%, #eef3fa 100%);
    border-right: 1px solid var(--tq-line);
    display: flex;
    flex-direction: column;
}

.dock-chat-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
}

.dock-chat-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--tq-signal);
    box-shadow: 0 0 0 5px var(--tq-signal-soft);
}

.dock-chat-name {
    font-family: var(--tq-font-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--tq-ink);
}

.dock-chat-thread {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.dock-bubble {
    max-width: 92%;
    padding: 12px 14px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.55;
}

.dock-bubble--in {
    align-self: flex-start;
    background: var(--tq-white);
    border: 1px solid var(--tq-line);
    color: var(--tq-ink-soft);
}

.dock-bubble--out {
    align-self: flex-end;
    background: var(--tq-signal);
    color: var(--tq-white);
    box-shadow: 0 10px 24px rgba(21, 94, 239, 0.22);
}

.dock-rail {
    position: relative;
    background: var(--tq-white);
    transform: translateX(28px);
    opacity: 0;
    animation: dockSnap 0.95s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
    overflow: visible;
    min-width: 0;
}

.dock-rail picture {
    display: block;
    width: 100%;
}

.dock-rail img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    object-position: left top;
    vertical-align: top;
}

.dock-magnet {
    position: absolute;
    left: 0;
    top: 12%;
    bottom: 12%;
    width: 4px;
    background: linear-gradient(180deg, transparent, var(--tq-signal) 20%, var(--tq-signal) 80%, transparent);
    box-shadow: 0 0 24px rgba(21, 94, 239, 0.75);
    z-index: 2;
}

@keyframes dockSnap {
    from {
        transform: translateX(48px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Capabilities */
.home-capabilities {
    padding: clamp(80px, 10vw, 120px) 0;
    background: var(--tq-white);
    border-top: 1px solid var(--tq-line);
}

.home-cap-head {
    margin-bottom: clamp(36px, 5vw, 56px);
    max-width: 40rem;
}

.home-cap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--tq-line);
}

.home-cap-item {
    padding: clamp(28px, 3vw, 40px) clamp(20px, 2.5vw, 36px) 8px 0;
    border-right: 1px solid var(--tq-line);
}

.home-cap-item:last-child {
    border-right: none;
    padding-right: 0;
}

.home-cap-item h3 {
    font-family: var(--tq-font-display);
    font-size: clamp(1.2rem, 1.6vw, 1.4rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    margin: 0 0 12px;
    color: var(--tq-ink);
}

.home-cap-item p {
    margin: 0;
    color: var(--tq-steel);
    font-size: 1.02rem;
    line-height: 1.7;
    max-width: 28rem;
}

/* Platforms — editorial lines, not chip clouds */
.home-platforms {
    padding: clamp(80px, 10vw, 120px) 0;
    background: var(--tq-ice);
}

.home-platforms-head {
    margin-bottom: clamp(36px, 5vw, 48px);
    max-width: 40rem;
}

.home-platform-rail {
    border-top: 1px solid var(--tq-line);
}

.home-platform-line {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 24px;
    align-items: baseline;
    padding: 22px 0;
    border-bottom: 1px solid var(--tq-line);
}

.home-platform-k {
    font-family: var(--tq-font-display);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--tq-signal);
}

.home-platform-v {
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    color: var(--tq-ink-soft);
    letter-spacing: 0.01em;
    line-height: 1.55;
}

.home-platform-note {
    margin-top: 28px;
    font-size: 14px;
    color: var(--tq-steel);
}

.home-platform-note a {
    color: var(--tq-signal);
    text-decoration: none;
    font-weight: 500;
}

.home-platform-note a:hover {
    text-decoration: underline;
}

/* Pricing strip — monumental band */
.home-pricing-strip {
    padding: clamp(64px, 8vw, 96px) 0;
    background: var(--tq-ink);
    color: var(--tq-white);
    position: relative;
    overflow: hidden;
}

.home-pricing-strip::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 80% at 100% 50%, rgba(21, 94, 239, 0.28), transparent 60%);
    pointer-events: none;
}

.home-pricing-strip .tq-container {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.home-pricing-strip h2 {
    font-family: var(--tq-font-display);
    font-size: clamp(1.75rem, 3vw, 2.4rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    margin: 0 0 12px;
    max-width: 16ch;
}

.home-pricing-strip p {
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
    max-width: 34rem;
    font-size: 1.05rem;
    line-height: 1.65;
}

/* FAQ */
.home-faq {
    padding: clamp(80px, 10vw, 120px) 0;
    background: var(--tq-white);
}

.home-faq-head {
    margin-bottom: clamp(28px, 4vw, 40px);
}

.home-faq-list {
    max-width: 800px;
    border-top: 1px solid var(--tq-line);
}

.faq-item {
    border-bottom: 1px solid var(--tq-line);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 0;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--tq-ink);
    user-select: none;
}

.faq-question .faq-icon {
    font-family: var(--tq-font-display);
    font-size: 12px;
    color: var(--tq-steel);
    transition: transform 0.2s ease;
}

.faq-question.active .faq-icon {
    transform: rotate(180deg);
    color: var(--tq-signal);
}

.faq-answer {
    display: none;
    padding: 0 0 22px;
    color: var(--tq-steel);
    font-size: 1rem;
    line-height: 1.7;
}

.faq-answer.active {
    display: block;
}

.faq-answer ul {
    margin: 8px 0 0;
    padding-left: 1.2rem;
}

.faq-answer a {
    color: var(--tq-signal);
}

/* Closing CTA */
.home-close {
    padding: clamp(80px, 10vw, 120px) 0;
    background: var(--tq-ice);
    border-top: 1px solid var(--tq-line);
    text-align: center;
}

.home-close h2 {
    font-family: var(--tq-font-display);
    font-size: clamp(2rem, 3.2vw, 2.75rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    margin: 0 0 14px;
}

.home-close p {
    margin: 0 auto 28px;
    max-width: 28rem;
    color: var(--tq-steel);
    font-size: 1.05rem;
}

.home-close .home-cta-row {
    justify-content: center;
}

/* Section title scale bump on home */
.home-capabilities .tq-section-title,
.home-platforms .tq-section-title,
.home-faq .tq-section-title {
    font-size: clamp(2rem, 3.2vw, 2.75rem);
    letter-spacing: -0.04em;
}

.home-capabilities .tq-section-lead,
.home-platforms .tq-section-lead {
    font-size: 1.1rem;
    line-height: 1.7;
}

@media (max-width: 900px) {
    .dock-stage-inner {
        grid-template-columns: 1fr;
    }

    .dock-chat {
        display: none;
    }

    .dock-rail {
        transform: none;
    }

    .home-cap-grid {
        grid-template-columns: 1fr;
    }

    .home-cap-item {
        border-right: none;
        border-bottom: 1px solid var(--tq-line);
        padding: 26px 0;
    }

    .home-cap-item:last-child {
        border-bottom: none;
    }

    .home-platform-line {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

@media (max-width: 640px) {
    .home-cta-row {
        width: 100%;
    }

    .home-cta-row .tq-btn {
        width: 100%;
    }

    .home-pricing-strip .tq-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .home-pricing-strip h2 {
        max-width: none;
    }
}