/*
 * LACA primary-section design system
 * Shared by the five first-level research landing pages.
 */
:root {
    --laca-page-width: 1280px;
    --laca-reading-width: 72ch;
    --laca-section-gap: clamp(4rem, 7vw, 7rem);
    --laca-surface: rgba(10, 1, 24, 0.68);
    --laca-surface-strong: rgba(5, 0, 15, 0.86);
    --laca-border: rgba(255, 255, 255, 0.11);
    --laca-border-accent: color-mix(in srgb, var(--page-accent, #00f0ff) 36%, transparent);
    --laca-muted: rgba(255, 255, 255, 0.7);
    --laca-soft: rgba(255, 255, 255, 0.55);
    --laca-radius: 20px;
    --laca-shadow: 0 24px 80px rgba(0, 0, 0, 0.26);
}

.laca-landing {
    --page-accent: var(--bright-cyan);
    --page-accent-2: var(--primary-purple);
    isolation: isolate;
}

.laca-landing,
.laca-landing * {
    box-sizing: border-box;
}

.laca-landing .landing-hero {
    position: relative;
    width: min(var(--laca-page-width), 90%);
    min-height: clamp(490px, 64vh, 690px);
    margin: 0 auto;
    padding: clamp(9.5rem, 14vw, 12rem) 0 clamp(4rem, 7vw, 6rem);
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
    gap: clamp(2.5rem, 6vw, 6.5rem);
    align-items: center;
}

.laca-landing .landing-hero::before {
    content: "";
    position: absolute;
    width: min(44vw, 620px);
    aspect-ratio: 1;
    right: -8%;
    top: 14%;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--page-accent) 22%, transparent), transparent 68%);
    filter: blur(14px);
    pointer-events: none;
    z-index: -1;
}

.laca-landing .landing-eyebrow,
.laca-landing .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--page-accent);
    font-family: "Azeret Mono", "JetBrains Mono", monospace;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    line-height: 1.4;
    text-transform: uppercase;
}

.laca-landing .landing-eyebrow::before,
.laca-landing .section-kicker::before {
    content: "";
    width: 34px;
    height: 1px;
    background: currentColor;
    box-shadow: 0 0 14px currentColor;
}

.laca-landing .landing-hero h1 {
    margin: 1.15rem 0 1.25rem;
    max-width: 12ch;
    font-family: "Orbitron", sans-serif;
    font-size: clamp(2.8rem, 5.6vw, 5.6rem);
    font-weight: 900;
    letter-spacing: -0.045em;
    line-height: 1.02;
    color: #fff;
}

.laca-landing .landing-hero h1 span {
    background: linear-gradient(118deg, #fff 0%, var(--page-accent) 48%, var(--page-accent-2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.laca-landing .landing-lede {
    width: 100%;
    max-width: 100%;
    margin: 0;
    color: rgba(255, 255, 255, 0.74);
    font-family: "Crimson Pro", Georgia, serif;
    font-size: clamp(1.25rem, 2vw, 1.62rem);
    font-weight: 300;
    line-height: 1.62;
}

.laca-landing .landing-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 2rem;
}

.laca-landing .landing-button {
    min-height: 48px;
    padding: 0.85rem 1.25rem;
    border: 1px solid color-mix(in srgb, var(--page-accent) 52%, transparent);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    color: #fff;
    background: linear-gradient(135deg, color-mix(in srgb, var(--page-accent) 20%, transparent), rgba(107, 70, 193, 0.2));
    box-shadow: 0 10px 34px color-mix(in srgb, var(--page-accent) 11%, transparent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-decoration: none;
    text-transform: uppercase;
    transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease, background 220ms ease;
}

.laca-landing .landing-button.secondary {
    color: var(--page-accent);
    background: rgba(5, 0, 15, 0.42);
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: none;
}

.laca-landing .landing-button:hover,
.laca-landing .landing-button:focus-visible {
    color: #fff;
    transform: translateY(-3px);
    border-color: var(--page-accent);
    box-shadow: 0 14px 42px color-mix(in srgb, var(--page-accent) 20%, transparent);
}

.laca-landing .landing-visual {
    position: relative;
    min-height: 390px;
    border: 1px solid var(--laca-border);
    border-radius: 30px;
    display: grid;
    place-items: center;
    overflow: hidden;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.055), transparent 35%),
        radial-gradient(circle at 50% 42%, color-mix(in srgb, var(--page-accent) 14%, transparent), transparent 58%),
        var(--laca-surface);
    box-shadow: var(--laca-shadow), inset 0 1px rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px);
}

.laca-landing .landing-visual::after {
    content: "";
    position: absolute;
    inset: 18px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 22px;
    pointer-events: none;
}

.laca-landing .landing-metrics {
    position: absolute;
    left: 1.2rem;
    right: 1.2rem;
    bottom: 1.2rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
    z-index: 2;
}

.laca-landing .landing-metric {
    min-width: 0;
    padding: 0.72rem;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 12px;
    background: rgba(5, 0, 15, 0.72);
    backdrop-filter: blur(12px);
}

.laca-landing .landing-metric strong,
.laca-landing .landing-metric span {
    display: block;
}

.laca-landing .landing-metric strong {
    color: #fff;
    font-family: "Orbitron", sans-serif;
    font-size: 0.78rem;
    line-height: 1.35;
}

.laca-landing .landing-metric span {
    margin-top: 0.3rem;
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.58rem;
    line-height: 1.4;
}

.laca-landing .landing-section {
    width: min(var(--laca-page-width), 90%);
    margin: 0 auto;
    padding: 0 0 var(--laca-section-gap);
}

.laca-landing .landing-section-head {
    width: 100%;
    max-width: 100%;
    margin-bottom: clamp(1.8rem, 4vw, 3rem);
}

.laca-landing .landing-section-head h2 {
    margin: 0.75rem 0 0.8rem;
    color: #fff;
    font-family: "Orbitron", sans-serif;
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.laca-landing .landing-section-head p {
    width: 100%;
    max-width: 100%;
    margin: 0;
    color: var(--laca-muted);
    font-family: "Crimson Pro", Georgia, serif;
    font-size: clamp(1.08rem, 1.5vw, 1.3rem);
    line-height: 1.7;
}

.laca-landing .landing-panel,
.laca-landing .landing-card {
    position: relative;
    border: 1px solid var(--laca-border);
    border-radius: var(--laca-radius);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.045), transparent 45%),
        var(--laca-surface);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.045);
    backdrop-filter: blur(16px);
}

.laca-landing .landing-panel {
    padding: clamp(1.5rem, 3vw, 2.4rem);
}

.laca-landing .landing-panel p {
    width: 100%;
    max-width: 100%;
    color: var(--laca-muted);
    font-size: 0.94rem;
    line-height: 1.85;
}

.laca-landing .landing-panel p + p {
    margin-top: 1rem;
}

.laca-landing .landing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.laca-landing .landing-card {
    min-height: 230px;
    padding: clamp(1.35rem, 2.5vw, 2rem);
    display: flex;
    flex-direction: column;
    color: inherit;
    overflow: hidden;
    text-decoration: none;
    transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease, background 240ms ease;
}

.laca-landing .landing-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--card-accent, var(--page-accent)), transparent);
    opacity: 0.85;
}

.laca-landing .landing-card:hover,
.laca-landing .landing-card:focus-visible {
    color: inherit;
    transform: translateY(-5px);
    border-color: color-mix(in srgb, var(--card-accent, var(--page-accent)) 46%, transparent);
    box-shadow: 0 18px 46px color-mix(in srgb, var(--card-accent, var(--page-accent)) 11%, transparent);
}

.laca-landing .landing-card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.25rem;
    border: 1px solid color-mix(in srgb, var(--card-accent, var(--page-accent)) 30%, transparent);
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: var(--card-accent, var(--page-accent));
    background: color-mix(in srgb, var(--card-accent, var(--page-accent)) 9%, transparent);
    font-size: 1.35rem;
}

.laca-landing .landing-card h3 {
    margin: 0 0 0.65rem;
    color: #fff;
    font-family: "Orbitron", sans-serif;
    font-size: 1rem;
    line-height: 1.45;
}

.laca-landing .landing-card p {
    margin: 0;
    color: var(--laca-muted);
    font-size: 0.8rem;
    line-height: 1.7;
}

.laca-landing .landing-card-cta {
    margin-top: auto;
    padding-top: 1.35rem;
    color: var(--card-accent, var(--page-accent));
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.laca-landing .landing-card-cta::after {
    content: "  →";
    display: inline-block;
    transition: transform 220ms ease;
}

.laca-landing .landing-card:hover .landing-card-cta::after,
.laca-landing .landing-card:focus-visible .landing-card-cta::after {
    transform: translateX(4px);
}

.laca-landing .landing-flow {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.8rem;
}

.laca-landing .landing-flow::before {
    content: "";
    position: absolute;
    top: 25px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--page-accent), var(--page-accent-2), transparent);
    opacity: 0.34;
}

.laca-landing .landing-step {
    position: relative;
    z-index: 1;
    min-width: 0;
    padding: 0 0.8rem;
    text-align: center;
}

.laca-landing .landing-step-index {
    width: 52px;
    height: 52px;
    margin: 0 auto 1rem;
    border: 1px solid color-mix(in srgb, var(--page-accent) 42%, transparent);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: var(--page-accent);
    background: var(--laca-surface-strong);
    box-shadow: 0 0 26px color-mix(in srgb, var(--page-accent) 12%, transparent);
    font-family: "Orbitron", sans-serif;
    font-size: 0.8rem;
}

.laca-landing .landing-step h3 {
    margin: 0 0 0.55rem;
    color: #fff;
    font-family: "Orbitron", sans-serif;
    font-size: 0.82rem;
    line-height: 1.45;
}

.laca-landing .landing-step p,
.laca-landing .landing-step a {
    color: var(--laca-muted);
    font-size: 0.7rem;
    line-height: 1.65;
}

.laca-landing .landing-step a {
    display: inline-block;
    margin-top: 0.55rem;
    color: var(--page-accent);
    text-decoration: none;
}

.laca-landing .landing-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1rem;
}

.laca-landing .landing-chip {
    padding: 0.44rem 0.68rem;
    border: 1px solid color-mix(in srgb, var(--page-accent) 25%, transparent);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.72);
    background: color-mix(in srgb, var(--page-accent) 7%, transparent);
    font-size: 0.62rem;
    line-height: 1.35;
}

.laca-landing .landing-card:focus-visible,
.laca-landing .landing-button:focus-visible,
.laca-landing .landing-step a:focus-visible {
    outline: 3px solid var(--page-accent);
    outline-offset: 4px;
}

@media (max-width: 1050px) {
    .laca-landing .landing-hero {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: 2.5rem;
    }

    .laca-landing .landing-hero-copy {
        max-width: 780px;
    }

    .laca-landing .landing-hero h1 {
        max-width: 14ch;
    }

    .laca-landing .landing-visual {
        min-height: 350px;
    }

    .laca-landing .landing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .laca-landing .landing-hero,
    .laca-landing .landing-section {
        width: min(92%, 680px);
    }

    .laca-landing .landing-hero {
        padding-top: 8rem;
    }

    .laca-landing .landing-hero h1 {
        font-size: clamp(2.35rem, 10vw, 3.6rem);
    }

    .laca-landing .landing-actions,
    .laca-landing .landing-grid,
    .laca-landing .landing-flow {
        grid-template-columns: 1fr;
    }

    .laca-landing .landing-actions {
        display: grid;
    }

    .laca-landing .landing-button {
        width: 100%;
    }

    .laca-landing .landing-flow {
        gap: 1.2rem;
    }

    .laca-landing .landing-flow::before {
        top: 20px;
        bottom: 20px;
        left: 26px;
        right: auto;
        width: 1px;
        height: auto;
        background: linear-gradient(180deg, transparent, var(--page-accent), var(--page-accent-2), transparent);
    }

    .laca-landing .landing-step {
        padding: 0 0 0 4.5rem;
        text-align: left;
    }

    .laca-landing .landing-step-index {
        position: absolute;
        left: 0;
        top: 0;
        margin: 0;
    }
}

@media (max-width: 520px) {
    .laca-landing .landing-visual {
        min-height: 320px;
        border-radius: 22px;
    }

    .laca-landing .landing-metrics {
        grid-template-columns: 1fr;
    }

    .laca-landing .landing-metric:nth-child(n + 3) {
        display: none;
    }

    .laca-landing .landing-card {
        min-height: 210px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .laca-landing *,
    .laca-landing *::before,
    .laca-landing *::after {
        scroll-behavior: auto !important;
        animation: none !important;
        transition-duration: 0.01ms !important;
    }

    .laca-landing .landing-card:hover,
    .laca-landing .landing-card:focus-visible,
    .laca-landing .landing-button:hover,
    .laca-landing .landing-button:focus-visible {
        transform: none;
    }
}