/* SCF Hackathon — unified visual system */
.hackathon-body {
    --hk-ink: #0a1919;
    --hk-ink-soft: #263c3b;
    --hk-deep: #071718;
    --hk-deep-soft: #102727;
    --hk-paper: #f7f5ef;
    --hk-white: #fffefa;
    --hk-mist: #e8efeb;
    --hk-mint: #9ce9df;
    --hk-mint-dark: #1f716c;
    --hk-lime: #d9f99d;
    --hk-line: rgba(10, 25, 25, .12);
    --hk-line-dark: rgba(255, 255, 255, .13);
    --hk-shadow: 0 24px 70px rgba(10, 25, 25, .09);
    background: var(--hk-paper);
    color: var(--hk-ink);
    overflow-x: clip;
}

.hackathon-body *, .hackathon-body *::before, .hackathon-body *::after { box-sizing: border-box; }
.hackathon-body h1, .hackathon-body h2, .hackathon-body h3, .hackathon-body h4, .hackathon-body p, .hackathon-body ul, .hackathon-body ol, .hackathon-body figure { margin: 0; }
.hackathon-body ul, .hackathon-body ol { padding: 0; }
.hackathon-main, .hackathon-nav, .hackathon-footer { overflow-x: clip; }
.hackathon-body .landing-shell { width: min(1280px, calc(100% - 48px)); }

.hackathon-nav { background: rgba(5, 19, 20, .92); border-bottom: 1px solid rgba(255, 255, 255, .08); backdrop-filter: blur(18px); }
.hackathon-nav .landing-nav-bar { grid-template-columns: auto 1fr; min-height: 76px; }
.hackathon-nav .landing-nav-links { justify-self: end; }
.hackathon-nav .liquid-glass-nav { border-color: rgba(255, 255, 255, .12); background: rgba(255, 255, 255, .035); }
.hackathon-nav .liquid-glass-nav a { min-height: 42px; }

.hackathon-hero {
    position: relative;
    min-height: 820px;
    padding: 154px 0 92px;
    background: radial-gradient(circle at 76% 26%, rgba(156, 233, 223, .13), transparent 27%), linear-gradient(135deg, #061516 0%, #0a2021 60%, #061314 100%);
    color: #fff;
}
.hackathon-hero::after { content: ""; position: absolute; right: 0; bottom: 0; width: 42%; height: 1px; background: var(--hk-mint); opacity: .65; }
.hackathon-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, .95fr) minmax(520px, 1.05fr); gap: clamp(52px, 6vw, 92px); align-items: center; }
.hackathon-eyebrow, .hackathon-kicker { color: var(--hk-mint-dark); font-size: .72rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.hackathon-eyebrow { color: var(--hk-lime); }
.hackathon-eyebrow span { display: inline-flex; padding: 9px 13px; border: 1px solid rgba(217, 249, 157, .34); border-radius: 999px; }
.hackathon-hero-overline { margin-top: 28px !important; color: rgba(255, 255, 255, .62); font-size: .95rem; }

.hackathon-hero h1, .hackathon-section-heading h2, .hackathon-wide-heading h2, .hackathon-large-copy, .hackathon-phase-content h3, .hackathon-track-card h3, .hackathon-deliverable-card h3, .hackathon-score-card h3, .hackathon-project-card h3, .hackathon-prep h3 { font-family: Georgia, "Songti SC", "STSong", serif; font-weight: 500; }
.hackathon-hero h1 { max-width: 720px; margin-top: 18px; font-size: clamp(3.7rem, 4.7vw, 5.2rem); line-height: 1.04; letter-spacing: -.045em; }
.hackathon-hero h1 em { display: inline-block; margin-top: .1em; color: var(--hk-mint); font-style: normal; }
.hackathon-hero-lead { max-width: 610px; margin-top: 27px !important; color: rgba(255, 255, 255, .72); font-size: 1.05rem; line-height: 1.85; }

.hackathon-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 34px !important; list-style: none; }
.hackathon-facts li { min-height: 92px; padding: 16px; border: 1px solid rgba(255, 255, 255, .13); border-radius: 14px; background: rgba(255, 255, 255, .035); }
.hackathon-facts strong { display: block; color: var(--hk-mint); font-family: Georgia, serif; font-size: 1.18rem; }
.hackathon-facts span { display: block; margin-top: 7px; color: rgba(255, 255, 255, .52); font-size: .7rem; line-height: 1.45; }
.hackathon-hero-note { display: flex; align-items: center; gap: 18px; margin-top: 23px; }
.hackathon-hero-note span { color: var(--hk-lime); font-size: .68rem; font-weight: 850; letter-spacing: .14em; }
.hackathon-hero-note p { color: rgba(255, 255, 255, .6); font-size: .86rem; }

.hackathon-hero-media { display: grid; grid-template-columns: 1.08fr .92fr; grid-template-rows: repeat(2, minmax(0, 1fr)); gap: 14px; min-height: 570px; }
.hackathon-hero-media .hackathon-media { box-shadow: 0 24px 70px rgba(0, 0, 0, .22); }
.hackathon-hero-media .hackathon-media:first-child { grid-row: 1 / 3; }
.hackathon-hero-media .hackathon-media { min-width: 0; height: 100%; aspect-ratio: auto; }
.hackathon-media { position: relative; overflow: hidden; border: 1px solid rgba(10, 25, 25, .13); border-radius: 18px; background: #dce6e2; }
.hackathon-media--4-3 { aspect-ratio: 4 / 3; }
.hackathon-media--8-5 { aspect-ratio: 8 / 5; }
.hackathon-media--3-2 { aspect-ratio: 3 / 2; }
.hackathon-media--16-10 { aspect-ratio: 16 / 10; }
.hackathon-media-image, .hackathon-media-placeholder { width: 100%; height: 100%; }
.hackathon-media-image { display: block; object-fit: cover; }
.hackathon-media-placeholder { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; padding: 24px; color: var(--hk-ink); background: linear-gradient(145deg, #e4ebe8, #cbdad5); }
.hackathon-media-index { position: absolute; top: 20px; right: 22px; color: rgba(10, 25, 25, .25); font-family: Georgia, serif; font-size: 2rem; }
.hackathon-media-placeholder strong { color: var(--hk-mint-dark); font-size: .92rem; }
.hackathon-media-placeholder > span:not(.hackathon-media-index) { margin-top: 7px; font-size: .72rem; }
.hackathon-media-placeholder small { margin-top: 5px; color: rgba(10, 25, 25, .48); font-size: .66rem; line-height: 1.4; }
.hackathon-hero .hackathon-media { border-color: rgba(255, 255, 255, .13); }
.hackathon-hero .hackathon-media-placeholder { color: #fff; background: linear-gradient(145deg, #173031, #0e2425); }
.hackathon-hero .hackathon-media-index { color: rgba(156, 233, 223, .25); }
.hackathon-hero .hackathon-media-placeholder strong { color: var(--hk-mint); }
.hackathon-hero .hackathon-media-placeholder small { color: rgba(255, 255, 255, .46); }

.hackathon-section { padding: clamp(92px, 9vw, 132px) 0; }
.hackathon-intro, .hackathon-values, .hackathon-audience { background: var(--hk-paper); color: var(--hk-ink); }
.hackathon-phases, .hackathon-projects { background: var(--hk-mist); color: var(--hk-ink); }
.hackathon-ai { background: var(--hk-deep-soft); color: #fff; }
.hackathon-tracks, .hackathon-faq { background: var(--hk-deep); color: #fff; }
.hackathon-schedule { background: #f0eee7; color: var(--hk-ink); }
.hackathon-deliverables { background: var(--hk-deep-soft); color: #fff; }
.hackathon-two-column, .hackathon-audience-grid, .hackathon-faq-grid { display: grid; grid-template-columns: minmax(380px, .82fr) minmax(0, 1.18fr); gap: clamp(54px, 8vw, 110px); }
.hackathon-two-column, .hackathon-audience-grid { align-items: center; }
.hackathon-two-column > .hackathon-section-heading, .hackathon-audience-grid > .hackathon-section-heading { display: flex; align-items: center; justify-content: center; flex-direction: column; text-align: center; }
.hackathon-section-no { display: block; margin-bottom: 17px; color: currentColor; font-family: Georgia, serif; font-size: 2.8rem; line-height: 1; opacity: .17; }
.hackathon-section-heading h2, .hackathon-wide-heading h2 { margin-top: 17px; font-size: clamp(2.9rem, 4vw, 4.8rem); line-height: 1.1; letter-spacing: -.045em; }
.hackathon-section-heading em, .hackathon-wide-heading em { color: var(--hk-mint-dark); font-style: normal; }
.hackathon-tracks .hackathon-wide-heading em, .hackathon-faq .hackathon-section-heading em, .hackathon-deliverables .hackathon-wide-heading em { color: var(--hk-mint); }

.hackathon-editorial-copy { padding-top: 0; }
.hackathon-large-copy { font-size: clamp(1.6rem, 2.25vw, 2.4rem); line-height: 1.48; }
.hackathon-editorial-copy > p:not(.hackathon-large-copy), .hackathon-audience-content > p:not(.hackathon-large-copy) { margin-top: 25px; color: rgba(10, 25, 25, .64); line-height: 1.85; }
.hackathon-process-visual { grid-column: 1 / -1; margin-top: 8px; overflow: hidden; border: 1px solid rgba(17, 107, 99, .22); border-radius: 26px; background: var(--hk-deep-soft); box-shadow: 0 22px 55px rgba(7, 27, 27, .16); }
.hackathon-process-visual picture { display: block; }
.hackathon-process-visual img { display: block; width: 100%; height: auto; }
.hackathon-visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); border: 0; white-space: nowrap; }

.hackathon-ai .hackathon-kicker { color: var(--hk-lime); }
.hackathon-ai .hackathon-wide-heading em { color: var(--hk-mint); }
.hackathon-ai h3 { font-family: Georgia, "Songti SC", "STSong", serif; font-weight: 500; }
.hackathon-ai-lead { max-width: 900px; margin: -24px 0 36px 25%; color: rgba(255, 255, 255, .7); font-size: 1.05rem; line-height: 1.8; }
.hackathon-ai-compact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.hackathon-ai-card { min-width: 0; min-height: 240px; padding: clamp(34px, 4vw, 48px); border: 1px solid var(--hk-line-dark); border-radius: 22px; }
.hackathon-ai-card--reason { background: rgba(255, 255, 255, .055); }
.hackathon-ai-card--method { background: var(--hk-mint); color: var(--hk-ink); }
.hackathon-ai-card--method .hackathon-kicker { color: var(--hk-mint-dark); }
.hackathon-ai-card h3 { margin-top: 22px; font-size: clamp(1.8rem, 2.4vw, 2.55rem); line-height: 1.3; }
.hackathon-ai-card > p:not(.hackathon-kicker) { margin-top: 18px; color: rgba(255, 255, 255, .65); line-height: 1.75; }
.hackathon-ai-card--method > p:not(.hackathon-kicker) { color: rgba(10, 25, 25, .68); }
.hackathon-ai-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 22px; }
.hackathon-ai-stats article { display: grid; grid-template-columns: 112px minmax(0, 1fr); align-items: center; gap: 24px; min-height: 116px; padding: 20px 28px; border: 1px solid var(--hk-line-dark); border-radius: 16px; background: rgba(255, 255, 255, .045); }
.hackathon-ai-stats strong { color: var(--hk-lime); font-family: Georgia, serif; font-size: clamp(2.3rem, 3.1vw, 3.2rem); font-weight: 500; line-height: 1; }
.hackathon-ai-stats p { color: rgba(255, 255, 255, .66); font-size: .86rem; line-height: 1.65; }
.hackathon-ai-source-line { display: flex; justify-content: space-between; gap: 24px; margin-top: 11px; color: rgba(255, 255, 255, .43); font-size: .7rem; line-height: 1.55; }
.hackathon-ai-source-line a { color: var(--hk-mint); text-underline-offset: 4px; }
.hackathon-ai-api-note { display: flex; align-items: center; gap: 28px; margin-top: 22px; padding: 23px 28px; border-radius: 16px; background: var(--hk-lime); color: var(--hk-ink); }
.hackathon-ai-api-note span { flex: 0 0 auto; color: var(--hk-mint-dark); font-size: .68rem; font-weight: 850; letter-spacing: .12em; }
.hackathon-ai-api-note p { line-height: 1.65; }

.hackathon-wide-heading { display: grid; grid-template-columns: minmax(210px, .45fr) minmax(0, 1.55fr); gap: 40px; align-items: end; margin-bottom: 58px; }
.hackathon-wide-heading h2 { max-width: 900px; margin-top: 0; }
.hackathon-format-heading h2 { max-width: 1020px; font-size: clamp(2.75rem, 3.2vw, 3.85rem); }

.hackathon-phase-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.hackathon-phase-card { overflow: hidden; border: 1px solid var(--hk-line); border-radius: 24px; background: var(--hk-white); box-shadow: var(--hk-shadow); }
.hackathon-phase-card--challenge { transform: none; }
.hackathon-phase-meta { display: flex; justify-content: space-between; align-items: center; padding: 16px 22px; border-bottom: 1px solid var(--hk-line); }
.hackathon-phase-meta span { color: var(--hk-mint-dark); font-size: .68rem; font-weight: 850; letter-spacing: .14em; }
.hackathon-phase-meta strong { color: var(--hk-ink); font-size: .86rem; }
.hackathon-phase-card .hackathon-media { border: 0; border-radius: 0; }
.hackathon-phase-content { padding: 34px; }
.hackathon-phase-content h3 { max-width: 520px; font-size: clamp(1.75rem, 2.5vw, 2.65rem); line-height: 1.25; }
.hackathon-phase-content p { margin-top: 18px; color: rgba(10, 25, 25, .62); line-height: 1.78; }
.hackathon-phase-content ul { margin-top: 22px; padding-left: 19px; color: var(--hk-mint-dark); line-height: 1.85; }

.hackathon-value-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.hackathon-value-grid article { min-height: 250px; padding: 28px; border: 1px solid var(--hk-line); border-radius: 18px; background: var(--hk-white); box-shadow: 0 14px 38px rgba(10, 25, 25, .045); }
.hackathon-value-grid article:nth-child(2), .hackathon-value-grid article:nth-child(4), .hackathon-value-grid article:nth-child(5), .hackathon-value-grid article:nth-child(7) { background: #e5f2ed; }
.hackathon-value-grid span { color: var(--hk-mint-dark); font-family: Georgia, serif; }
.hackathon-value-grid h3 { margin-top: 44px; font-family: Georgia, "Songti SC", serif; font-size: 1.48rem; font-weight: 500; }
.hackathon-value-grid p { margin-top: 14px; color: rgba(10, 25, 25, .62); line-height: 1.7; }

.hackathon-tracks .hackathon-kicker { color: var(--hk-mint); }
.hackathon-section-intro { max-width: none; margin: -20px 0 45px; color: rgba(255, 255, 255, .64); line-height: 1.8; }
.hackathon-track-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.hackathon-track-card { display: flex; overflow: hidden; min-height: 500px; flex-direction: column; border: 1px solid rgba(255, 255, 255, .13); border-radius: 22px; background: rgba(255, 255, 255, .055); }
.hackathon-track-card .hackathon-media { min-width: 0; width: 100%; height: auto; aspect-ratio: 3 / 2; border: 0; border-bottom: 1px solid rgba(255, 255, 255, .13); border-radius: 0; }
.hackathon-track-card .hackathon-media-placeholder { color: #fff; background: linear-gradient(145deg, #1a3434, #102727); }
.hackathon-track-card .hackathon-media-index { color: rgba(156, 233, 223, .28); }
.hackathon-track-card .hackathon-media-placeholder strong { color: var(--hk-mint); }
.hackathon-track-card .hackathon-media-placeholder small { color: rgba(255, 255, 255, .44); }
.hackathon-track-card > div { display: flex; min-width: 0; flex: 1; flex-direction: column; justify-content: center; padding: 28px 25px; }
.hackathon-track-card > div > span { color: var(--hk-lime); font-size: .67rem; font-weight: 850; letter-spacing: .15em; }
.hackathon-track-card h3 { margin-top: 22px; color: #fff; font-size: clamp(1.85rem, 2.2vw, 2.55rem); line-height: 1.18; }
.hackathon-track-card p { margin-top: 14px; color: rgba(255, 255, 255, .66); line-height: 1.7; }
.hackathon-track-card small { margin-top: 24px; color: rgba(255, 255, 255, .38); font-size: .62rem; font-weight: 750; letter-spacing: .08em; }

.hackathon-schedule .hackathon-kicker { color: var(--hk-mint-dark); }
.hackathon-time-rule { display: flex; align-items: center; gap: 20px; margin-bottom: 28px; padding: 17px 20px; border: 1px solid var(--hk-line); border-radius: 14px; background: var(--hk-white); color: rgba(10, 25, 25, .66); }
.hackathon-time-rule strong { color: var(--hk-mint-dark); }
.hackathon-time-rule i { width: 38px; height: 1px; background: var(--hk-line); }
.hackathon-time-rule small { margin-left: auto; color: rgba(10, 25, 25, .46); }
.hackathon-days { display: grid; gap: 16px; }
.hackathon-day { display: grid; grid-template-columns: 240px repeat(3, minmax(0, 1fr)); overflow: hidden; border: 1px solid var(--hk-line); border-radius: 18px; background: var(--hk-white); box-shadow: 0 16px 45px rgba(10, 25, 25, .045); }
.hackathon-day:last-child { grid-template-columns: 240px repeat(4, minmax(0, 1fr)); }
.hackathon-day > header { display: block; min-height: 0; padding: 26px; border: 0; background: var(--hk-deep-soft); color: #fff; }
.hackathon-day--challenge > header { background: #dff2b8; color: var(--hk-ink); }
.hackathon-day > header > span { display: block; color: var(--hk-mint); font-family: Georgia, serif; font-size: 1.8rem; }
.hackathon-day--challenge > header > span { color: var(--hk-mint-dark); }
.hackathon-day > header strong { display: block; margin-top: 30px; color: var(--hk-lime); font-size: .62rem; letter-spacing: .14em; }
.hackathon-day--challenge > header strong { color: var(--hk-mint-dark); }
.hackathon-day > header h3 { margin-top: 10px; font-family: Georgia, "Songti SC", serif; font-size: 1.28rem; font-weight: 500; line-height: 1.4; }
.hackathon-session { display: block; padding: 25px 22px; border: 0; border-left: 1px solid var(--hk-line); }
.hackathon-session time { display: block; color: var(--hk-mint-dark); font-family: Georgia, serif; font-size: .8rem; }
.hackathon-session h4 { margin-top: 22px; font-size: .96rem; line-height: 1.45; }
.hackathon-session p { margin-top: 10px; color: rgba(10, 25, 25, .58); font-size: .82rem; line-height: 1.67; }
.hackathon-session strong { display: block; margin-top: 13px; color: #57751d; font-size: .73rem; line-height: 1.55; }

.hackathon-deliverables .hackathon-kicker { color: var(--hk-mint); }
.hackathon-deliverable-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; }
.hackathon-deliverable-card, .hackathon-score-card { padding: clamp(30px, 4vw, 50px); border: 1px solid rgba(255, 255, 255, .13); border-radius: 22px; }
.hackathon-deliverable-card { background: rgba(255, 255, 255, .055); }
.hackathon-score-card { background: var(--hk-mint); color: var(--hk-ink); }
.hackathon-deliverable-card h3, .hackathon-score-card h3 { font-size: 2rem; }
.hackathon-deliverable-card ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 25px; margin-top: 30px; list-style: none; }
.hackathon-deliverable-card li { padding: 13px 0; border-bottom: 1px solid rgba(255, 255, 255, .12); color: rgba(255, 255, 255, .78); }
.hackathon-deliverable-card p { margin-top: 28px; color: rgba(255, 255, 255, .57); line-height: 1.75; }
.hackathon-score { display: grid; grid-template-columns: 85px 1fr; align-items: center; gap: 15px; padding: 18px 0; border-bottom: 1px solid rgba(10, 25, 25, .14); }
.hackathon-score:first-of-type { margin-top: 18px; }
.hackathon-score strong { color: var(--hk-ink); font-family: Georgia, serif; font-size: 1.75rem; }
.hackathon-score span { color: rgba(10, 25, 25, .72); }

.hackathon-audience-content { padding-top: 0; }
.hackathon-check-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 34px !important; list-style: none; }
.hackathon-check-list li { min-height: 82px; padding: 22px; border: 1px solid var(--hk-line); border-radius: 14px; background: var(--hk-white); font-weight: 700; line-height: 1.5; }
.hackathon-check-list li::before { content: "↗"; margin-right: 10px; color: var(--hk-mint-dark); }
.hackathon-projects .hackathon-kicker { color: var(--hk-mint-dark); }
.hackathon-projects-intro { max-width: none; margin: -30px 0 34px; color: rgba(10, 25, 25, .64); font-size: 1.03rem; line-height: 1.8; }
.hackathon-project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.hackathon-project-card { display: flex; overflow: hidden; flex-direction: column; border: 1px solid var(--hk-line); border-radius: 20px; background: var(--hk-white); box-shadow: var(--hk-shadow); }
.hackathon-project-card .hackathon-media { border: 0; border-bottom: 1px solid var(--hk-line); border-radius: 0; }
.hackathon-project-card .hackathon-media-image { object-fit: contain; background: #f7f8f5; }
.hackathon-project-content { display: flex; flex: 1; flex-direction: column; padding: 26px; }
.hackathon-project-content > span { min-height: 32px; color: var(--hk-mint-dark); font-size: .65rem; font-weight: 850; letter-spacing: .12em; line-height: 1.45; }
.hackathon-project-card h3 { margin-top: 18px; font-size: 1.65rem; line-height: 1.08; }
.hackathon-project-card h3 small { display: inline-block; margin-top: 8px; color: rgba(10, 25, 25, .66); font-family: inherit; font-size: .72em; font-weight: 500; }
.hackathon-project-card p { margin-top: 16px; color: rgba(10, 25, 25, .63); line-height: 1.7; }
.hackathon-project-card ul { display: grid; gap: 9px; margin: 20px 0 0; padding: 0; list-style: none; }
.hackathon-project-card li { position: relative; padding-left: 18px; color: rgba(10, 25, 25, .78); font-size: .9rem; line-height: 1.55; }
.hackathon-project-card li::before { content: ""; position: absolute; top: .62em; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--hk-mint-dark); }
.hackathon-project-card .hackathon-project-note { margin-top: 15px; color: rgba(10, 25, 25, .5); font-size: .78rem; }
.hackathon-project-card .hackathon-project-stack { margin-top: auto; padding-top: 24px; border-top: 1px solid var(--hk-line); }
.hackathon-project-stack strong, .hackathon-project-stack span { display: block; }
.hackathon-project-stack strong { color: var(--hk-mint-dark); font-size: .68rem; letter-spacing: .12em; }
.hackathon-project-stack span { margin-top: 7px; color: rgba(10, 25, 25, .56); font-size: .78rem; line-height: 1.6; }

.hackathon-faq .hackathon-kicker { color: var(--hk-mint); }
.hackathon-faq-list { border-top: 1px solid var(--hk-line-dark); }
.hackathon-faq details { border-bottom: 1px solid var(--hk-line-dark); }
.hackathon-faq summary { position: relative; min-height: 76px; padding: 25px 54px 25px 0; cursor: pointer; font-family: Georgia, "Songti SC", serif; font-size: 1.15rem; list-style: none; }
.hackathon-faq summary::-webkit-details-marker { display: none; }
.hackathon-faq summary::after { content: "+"; position: absolute; top: 18px; right: 0; color: var(--hk-mint); font-family: system-ui, sans-serif; font-size: 2rem; font-weight: 300; }
.hackathon-faq details[open] summary::after { content: "−"; }
.hackathon-faq details p { max-width: 760px; padding: 0 60px 26px 0; color: rgba(255, 255, 255, .62); line-height: 1.78; }
.hackathon-footer { background: #030d0e !important; }
.hackathon-body a:focus-visible, .hackathon-body button:focus-visible, .hackathon-body summary:focus-visible { outline: 3px solid var(--hk-lime); outline-offset: 4px; }
.hackathon-reveal, .hackathon-motion-ready .hackathon-reveal, .hackathon-motion-ready .hackathon-reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1180px) {
    .hackathon-hero-grid { grid-template-columns: 1fr; }
    .hackathon-hero-copy { max-width: 850px; }
    .hackathon-hero-media { width: min(900px, 100%); min-height: 520px; }
    .hackathon-value-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hackathon-track-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hackathon-track-card .hackathon-media { height: auto; border-right: 0; border-bottom: 1px solid var(--hk-line-dark); }
    .hackathon-day, .hackathon-day:last-child { grid-template-columns: 220px repeat(2, minmax(0, 1fr)); }
    .hackathon-session { border-bottom: 1px solid var(--hk-line); }
}

@media (max-width: 1080px) {
    .hackathon-nav .landing-nav-bar { grid-template-columns: auto auto; }
    .hackathon-nav .landing-nav-links { justify-self: auto; }
    .hackathon-wide-heading { grid-template-columns: 1fr; gap: 22px; }
    .hackathon-wide-heading h2 { margin-top: 0; }
    .hackathon-section-intro { margin: -15px 0 40px; }
    .hackathon-day, .hackathon-day:last-child { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hackathon-day > header { grid-column: 1 / -1; }
    .hackathon-ai-compact-grid { grid-template-columns: 1fr; }
    .hackathon-ai-lead { margin-left: 0; }
}

@media (max-width: 780px) {
    .hackathon-body .landing-shell { width: min(1280px, calc(100% - 30px)); }
    .hackathon-hero { min-height: 0; padding: 120px 0 72px; }
    .hackathon-hero h1 { font-size: clamp(3rem, 14vw, 4.6rem); }
    .hackathon-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hackathon-hero-note { align-items: flex-start; flex-direction: column; gap: 7px; }
    .hackathon-hero-media { grid-template-columns: 1fr 1fr; min-height: 0; }
    .hackathon-hero-media .hackathon-media:first-child { grid-column: 1 / -1; grid-row: auto; }
    .hackathon-section { padding: 78px 0; }
    .hackathon-two-column, .hackathon-audience-grid, .hackathon-faq-grid { grid-template-columns: 1fr; gap: 40px; }
    .hackathon-editorial-copy, .hackathon-audience-content { padding-top: 0; }
    .hackathon-section-heading h2, .hackathon-wide-heading h2 { font-size: clamp(2.6rem, 11vw, 4rem); }
    .hackathon-phase-grid, .hackathon-track-grid, .hackathon-deliverable-grid, .hackathon-project-grid { grid-template-columns: 1fr; }
    .hackathon-value-grid { grid-template-columns: 1fr; }
    .hackathon-value-grid article { grid-column: auto; min-height: 220px; }
    .hackathon-process-visual { border-radius: 16px; }
    .hackathon-ai-stats { grid-template-columns: 1fr; }
    .hackathon-ai-stats article { grid-template-columns: 88px minmax(0, 1fr); gap: 16px; padding: 20px 22px; }
    .hackathon-ai-source-line { align-items: flex-start; flex-direction: column; gap: 5px; }
    .hackathon-ai-api-note { align-items: flex-start; flex-direction: column; gap: 9px; }
    .hackathon-time-rule { flex-wrap: wrap; gap: 10px 16px; }
    .hackathon-time-rule small { width: 100%; margin-left: 0; }
    .hackathon-day, .hackathon-day:last-child { grid-template-columns: 1fr; }
    .hackathon-day > header { grid-column: auto; }
    .hackathon-session { border-left: 0; border-top: 1px solid var(--hk-line); }
    .hackathon-deliverable-card ul, .hackathon-check-list { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
    .hackathon-hero h1 { font-size: 3.05rem; }
    .hackathon-hero-media { grid-template-columns: 1fr; }
    .hackathon-hero-media .hackathon-media:first-child { grid-column: auto; }
    .hackathon-media-placeholder { padding: 18px; }
    .hackathon-media-placeholder small { display: none; }
    .hackathon-section-no { font-size: 2.2rem; }
    .hackathon-phase-content, .hackathon-track-card > div { padding: 24px; }
    .hackathon-score { grid-template-columns: 72px 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    .hackathon-body *, .hackathon-body *::before, .hackathon-body *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}