/*
 * ORCACHARTS_AI_LEARNING_LAB_V1
 */

:root {
    --bg: #070b10;
    --bg2: #0b1119;
    --panel: rgba(16, 24, 35, 0.88);
    --panel2: rgba(12, 19, 29, 0.92);
    --line: rgba(255,255,255,.11);
    --line2: rgba(255,255,255,.18);
    --text: #f4f7fb;
    --muted: #9aa8b8;
    --muted2: #718096;
    --green: #6ef3b2;
    --cyan: #60d7ff;
    --yellow: #f5dc4d;
    --radius: 22px;
    --shell: 1220px;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--bg);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(
            circle at 10% 0%,
            rgba(96,215,255,.09),
            transparent 34rem
        ),
        radial-gradient(
            circle at 90% 18%,
            rgba(110,243,178,.07),
            transparent 32rem
        ),
        var(--bg);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

a {
    color: inherit;
}

button,
input {
    font: inherit;
}

.shell {
    width: min(calc(100% - 36px), var(--shell));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--line);
    background: rgba(7,11,16,.88);
    backdrop-filter: blur(18px);
}

.header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    text-decoration: none;
    font-weight: 850;
    letter-spacing: -.04em;
    font-size: 1.18rem;
}

.header-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: center;
}

.header-nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: .91rem;
}

.header-nav a:hover,
.header-nav a:focus-visible {
    color: var(--text);
}

.hero {
    padding:
        clamp(70px, 9vw, 128px)
        0
        72px;
}

.eyebrow,
.section-kicker {
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: .16em;
    font-size: .73rem;
    font-weight: 800;
}

.hero h1 {
    margin: 16px 0 20px;
    max-width: 980px;
    font-size: clamp(2.65rem, 7vw, 6.6rem);
    line-height: .94;
    letter-spacing: -.065em;
}

.hero-copy {
    max-width: 790px;
    color: #c7d0da;
    font-size: clamp(1.02rem, 1.8vw, 1.28rem);
    line-height: 1.7;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.meta-chip {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 9px 12px;
    color: var(--muted);
    background: rgba(255,255,255,.025);
    font-size: .8rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.btn {
    border: 1px solid var(--line2);
    border-radius: 999px;
    padding: 12px 17px;
    text-decoration: none;
    color: var(--text);
    background: rgba(255,255,255,.04);
    cursor: pointer;
}

.btn-primary {
    color: #05100b;
    background: var(--green);
    border-color: var(--green);
    font-weight: 850;
}

.section {
    padding: 74px 0;
    border-top: 1px solid var(--line);
}

.section h2 {
    margin: 9px 0 13px;
    font-size: clamp(2rem, 4.2vw, 4rem);
    letter-spacing: -.055em;
    line-height: 1;
}

.section-intro {
    max-width: 810px;
    color: var(--muted);
    line-height: 1.7;
    font-size: 1.02rem;
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 34px;
}

.lab-card {
    min-height: 240px;
    padding: 25px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255,255,255,.025);
}

.lab-card strong {
    display: block;
    margin: 12px 0 10px;
    font-size: 1.35rem;
}

.lab-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.65;
}

.lab-card a {
    display: inline-block;
    margin-top: 22px;
    color: var(--green);
    text-decoration: none;
    font-weight: 750;
}

.card-number {
    color: var(--muted2);
    font-size: .8rem;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin: 29px 0 18px;
}

.preset {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 10px 13px;
    color: var(--muted);
    background: rgba(255,255,255,.025);
    cursor: pointer;
}

.preset:hover,
.preset:focus-visible,
.preset.active {
    color: var(--text);
    border-color: rgba(110,243,178,.58);
    background: rgba(110,243,178,.09);
}

.chart-tools {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 14px 0;
}

.live-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: .85rem;
}

.live-light {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--green);
}

.chart {
    position: relative;
    height: 530px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 26px;
    background:
        linear-gradient(
            rgba(255,255,255,.045) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255,255,255,.045) 1px,
            transparent 1px
        ),
        var(--panel2);
    background-size:
        100% 20%,
        20% 100%;
}

.chart::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: rgba(255,255,255,.12);
}

.chart::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255,255,255,.12);
}

.axis {
    position: absolute;
    z-index: 2;
    color: var(--muted2);
    text-transform: uppercase;
    letter-spacing: .13em;
    font-size: .65rem;
    font-weight: 800;
}

.axis-x {
    right: 18px;
    bottom: 14px;
}

.axis-y {
    left: 15px;
    top: 16px;
}

.chart-dot {
    position: absolute;
    z-index: 5;
    transform: translate(-50%, -50%);
    min-width: 34px;
    height: 34px;
    padding: 0 9px;
    border: 1px solid rgba(255,255,255,.23);
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #111c28;
    color: white;
    font-size: .68rem;
    font-weight: 850;
    transition:
        left .72s cubic-bezier(.2,.9,.2,1),
        top .72s cubic-bezier(.2,.9,.2,1);
}

.chart-dot[data-top="1"] {
    border-color: var(--green);
}

.chart-caption {
    margin-top: 12px;
    color: var(--muted2);
    line-height: 1.55;
    font-size: .82rem;
}

.directory-head {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: end;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.search-input {
    width: min(100%, 340px);
    border: 1px solid var(--line);
    border-radius: 999px;
    outline: none;
    color: var(--text);
    background: rgba(255,255,255,.035);
    padding: 12px 15px;
}

.directory {
    display: grid;
    gap: 12px;
}

.provider-card {
    display: grid;
    grid-template-columns:
        minmax(170px, .75fr)
        minmax(210px, 1.3fr)
        minmax(130px, .55fr)
        minmax(90px, .4fr);
    gap: 20px;
    align-items: center;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 19px;
    background: var(--panel);
}

.provider-card[hidden] {
    display: none;
}

.provider-name {
    font-size: 1.1rem;
    font-weight: 850;
}

.provider-best {
    margin-top: 5px;
    color: var(--muted);
    font-size: .84rem;
    line-height: 1.45;
}

.provider-access {
    color: #d8e0e8;
    font-size: .86rem;
}

.provider-source {
    text-align: right;
}

.provider-source a {
    color: var(--cyan);
    text-decoration: none;
    font-size: .82rem;
}

.fit-score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 68px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 10px;
    font-size: .75rem;
    color: var(--muted);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 10px;
}

.tag {
    color: var(--muted2);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 999px;
    padding: 4px 7px;
    font-size: .67rem;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 15px;
    margin-top: 30px;
}

.method-card {
    padding: 21px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255,255,255,.025);
}

.method-card p {
    color: var(--muted);
    line-height: 1.62;
}

.disclosure {
    margin-top: 28px;
    padding: 20px;
    border-left: 3px solid var(--yellow);
    background: rgba(245,220,77,.045);
    color: #cbd3dc;
    line-height: 1.65;
}

.footer {
    margin-top: 60px;
    padding: 38px 0 55px;
    border-top: 1px solid var(--line);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: .85rem;
}

.footer a {
    color: var(--muted);
    text-decoration: none;
    margin-left: 14px;
}

.empty-state {
    display: none;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 18px;
    color: var(--muted);
    text-align: center;
}

.empty-state.visible {
    display: block;
}

@media (max-width: 900px) {

    .lab-grid,
    .method-grid {
        grid-template-columns: 1fr;
    }

    .provider-card {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .provider-source {
        text-align: left;
    }

    .chart {
        height: 460px;
    }

}