/* Pixel Forge AI Hackathon - full theme CSS */
:root {
    color-scheme: dark;
    --bg: #02020a;
    --bg-2: #070b24;
    --bg-3: #101249;
    --card: rgba(9, 13, 39, 0.82);
    --card-strong: rgba(14, 18, 58, 0.94);
    --ink: #f5f7ff;
    --muted: #a8b3d9;
    --muted-2: #707ba6;
    --line: rgba(58, 84, 255, 0.35);
    --line-bright: rgba(17, 233, 255, 0.62);
    --blue: #1525ff;
    --blue-2: #1878ff;
    --cyan: #11e9ff;
    --purple: #762cff;
    --magenta: #d83287;
    --red: #f03c66;
    --white-glow: rgba(235, 244, 255, 0.9);
    --shadow-blue: 0 0 28px rgba(21, 37, 255, 0.55);
    --shadow-cyan: 0 0 34px rgba(17, 233, 255, 0.32);
    --shadow-magenta: 0 0 34px rgba(240, 60, 102, 0.26);
    --radius-sm: 12px;
    --radius: 20px;
    --radius-lg: 30px;
    --container: min(1160px, calc(100% - 40px));
    --header-height: 82px;
    --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 28px);
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 12% 8%, rgba(24, 120, 255, 0.24), transparent 30rem),
        radial-gradient(circle at 90% 12%, rgba(216, 50, 135, 0.22), transparent 26rem),
        radial-gradient(circle at 50% 92%, rgba(118, 44, 255, 0.22), transparent 34rem),
        linear-gradient(180deg, #02020a 0%, #050719 45%, #02020a 100%);
    color: var(--ink);
    font-family: var(--font);
    line-height: 1.6;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(17, 233, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(17, 233, 255, 0.05) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0.12));
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 4px),
        radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.58) 100%);
    mix-blend-mode: screen;
    opacity: 0.38;
}

img,
svg,
canvas {
    display: block;
    max-width: 100%;
}

img {
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

a:not(.button):not(.brand) {
    color: var(--cyan);
}

a:not(.button):not(.brand):hover {
    color: var(--ink);
    text-shadow: 0 0 16px rgba(17, 233, 255, 0.8);
}

button,
input,
textarea,
select {
    font: inherit;
}

::selection {
    color: #02020a;
    background: var(--cyan);
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 999;
    transform: translateY(-140%);
    padding: 0.7rem 1rem;
    border: 2px solid var(--cyan);
    border-radius: 999px;
    background: var(--bg);
    color: var(--ink);
    box-shadow: var(--shadow-cyan);
    transition: transform 180ms ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.page-shell {
    position: relative;
    isolation: isolate;
}

.container {
    width: var(--container);
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    min-height: var(--header-height);
    border-bottom: 1px solid rgba(17, 233, 255, 0.2);
    background: rgba(2, 2, 10, 0.72);
    backdrop-filter: blur(18px);
    transition: background 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
    background: rgba(2, 2, 10, 0.92);
    border-color: rgba(17, 233, 255, 0.45);
    box-shadow: 0 12px 42px rgba(0, 0, 0, 0.45), var(--shadow-blue);
}

.nav-shell {
    min-height: var(--header-height);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    min-width: 0;
    text-decoration: none;
}

.brand-logo {
    width: clamp(128px, 16vw, 210px);
    image-rendering: pixelated;
    filter: drop-shadow(0 0 10px rgba(21, 37, 255, 0.8)) drop-shadow(0 0 18px rgba(17, 233, 255, 0.28));
}

.brand-copy {
    display: grid;
    line-height: 1.08;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.brand-copy strong {
    font-size: clamp(0.95rem, 1.6vw, 1.15rem);
    color: var(--ink);
}

.brand-copy span {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--cyan);
}


.brand:hover .brand-copy strong {
    color: var(--cyan);
}

.primary-nav {
    justify-self: end;
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-menu a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0.48rem 0.68rem;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    transition: color 160ms ease, background 160ms ease, text-shadow 160ms ease;
}

.nav-menu a::after {
    content: "";
    position: absolute;
    left: 18%;
    right: 18%;
    bottom: 6px;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--red));
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 160ms ease;
    box-shadow: 0 0 12px rgba(17, 233, 255, 0.8);
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
    color: var(--ink);
    background: rgba(17, 233, 255, 0.08);
    text-shadow: 0 0 16px rgba(17, 233, 255, 0.6);
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after {
    transform: scaleX(1);
}

.menu-toggle {
    display: none;
    justify-self: end;
    border: 1px solid var(--line-bright);
    border-radius: 999px;
    padding: 0.58rem 0.88rem;
    background: rgba(8, 14, 46, 0.95);
    color: var(--ink);
    font-family: var(--mono);
    font-weight: 800;
    box-shadow: var(--shadow-cyan);
    cursor: pointer;
}

.button {
    --btn-bg: rgba(14, 18, 58, 0.85);
    --btn-border: rgba(17, 233, 255, 0.55);
    --btn-color: var(--ink);
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 46px;
    padding: 0.75rem 1.05rem;
    border: 2px solid var(--btn-border);
    border-radius: 0;
    background: var(--btn-bg);
    color: var(--btn-color);
    font-weight: 900;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
    box-shadow: 4px 4px 0 rgba(21, 37, 255, 0.65), var(--shadow-blue);
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, filter 160ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translate(-2px, -2px);
    border-color: var(--cyan);
    box-shadow: 7px 7px 0 rgba(216, 50, 135, 0.82), 0 0 26px rgba(17, 233, 255, 0.5);
    filter: saturate(1.12);
}

.button.primary {
    --btn-bg: linear-gradient(135deg, var(--blue) 0%, var(--purple) 48%, var(--red) 100%);
    --btn-border: rgba(235, 244, 255, 0.92);
}

.button.secondary {
    --btn-bg: rgba(17, 233, 255, 0.09);
    --btn-border: rgba(17, 233, 255, 0.75);
}

.button.ghost {
    --btn-bg: rgba(255, 255, 255, 0.04);
    --btn-border: rgba(216, 50, 135, 0.74);
}

.nav-cta {
    justify-self: end;
    min-height: 40px;
    padding: 0.58rem 0.88rem;
    font-size: 0.78rem;
}

.hero-band {
    position: relative;
    overflow: hidden;
    min-height: calc(100svh - var(--header-height));
    display: grid;
    align-items: center;
    padding: clamp(4rem, 8vw, 7rem) 0 clamp(3.5rem, 7vw, 6rem);
    border-bottom: 1px solid rgba(17, 233, 255, 0.2);
}

.hero-canvas,
.hero-grid,
.hero-orb {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-canvas {
    z-index: -4;
    width: 100%;
    height: 100%;
    opacity: 0.72;
}

.hero-grid {
    z-index: -3;
    background:
        linear-gradient(rgba(17, 233, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(17, 233, 255, 0.07) 1px, transparent 1px),
        radial-gradient(circle at 24% 20%, rgba(21, 37, 255, 0.45), transparent 18rem),
        radial-gradient(circle at 78% 28%, rgba(216, 50, 135, 0.35), transparent 20rem),
        linear-gradient(180deg, rgba(2, 2, 10, 0.15), rgba(2, 2, 10, 0.92));
    background-size: 58px 58px, 58px 58px, auto, auto, auto;
    transform: perspective(900px) rotateX(58deg) translateY(18%);
    transform-origin: center bottom;
    opacity: 0.75;
}

.hero-orb {
    z-index: -2;
    width: 30rem;
    height: 30rem;
    border-radius: 50%;
    filter: blur(34px);
    opacity: 0.5;
}

.orb-one {
    inset: 8% auto auto -9rem;
    background: radial-gradient(circle, rgba(17, 233, 255, 0.45), rgba(21, 37, 255, 0.18), transparent 72%);
}

.orb-two {
    inset: auto -9rem 6% auto;
    background: radial-gradient(circle, rgba(240, 60, 102, 0.45), rgba(118, 44, 255, 0.2), transparent 72%);
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: clamp(1.5rem, 5vw, 4.5rem);
    align-items: center;
}

.hero-copy {
    max-width: 820px;
}

.eyebrow {
    margin: 0 0 0.8rem;
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-shadow: 0 0 14px rgba(17, 233, 255, 0.75);
}

.hero-logo {
    width: min(720px, 100%);
    margin: 0 0 1.25rem;
    image-rendering: pixelated;
    filter: drop-shadow(0 0 10px rgba(21, 37, 255, 0.88)) drop-shadow(0 0 28px rgba(17, 233, 255, 0.3));
}

.hero-copy h1,
.section-heading h2,
.site-footer h2 {
    margin: 0;
    line-height: 0.98;
    letter-spacing: -0.06em;
    text-wrap: balance;
}

.hero-copy h1 {
    max-width: 920px;
    font-size: clamp(2.35rem, 5.8vw, 5.45rem);
    text-transform: uppercase;
    text-shadow:
        4px 4px 0 rgba(21, 37, 255, 0.95),
        8px 8px 0 rgba(216, 50, 135, 0.7),
        0 0 42px rgba(17, 233, 255, 0.24);
}

.hero-copy h1 span {
    display: block;
    color: #ffdce9;
    font-size: 0.34em;
    letter-spacing: -0.02em;
    text-shadow:
        2px 2px 0 rgba(21, 37, 255, 0.85),
        0 0 22px rgba(240, 60, 102, 0.46);
}

.hero-lead {
    max-width: 680px;
    margin: 1.3rem 0 0;
    color: var(--muted);
    font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions,
.footer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 1.8rem;
}

.hero-panel {
    position: relative;
    padding: clamp(1.15rem, 3vw, 1.65rem);
    border: 2px solid var(--line-bright);
    background:
        linear-gradient(135deg, rgba(17, 233, 255, 0.08), transparent 34%),
        linear-gradient(160deg, rgba(216, 50, 135, 0.13), transparent 55%),
        var(--card);
    box-shadow:
        0 0 0 6px rgba(21, 37, 255, 0.14),
        10px 10px 0 rgba(21, 37, 255, 0.45),
        var(--shadow-cyan);
    clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}

.hero-panel::before,
.hero-panel::after,
.feature-card::before,
.submit-card::before,
.prize-card::before,
.criteria-card::before,
.judge-card::before,
.achievement-card::before,
.faq-item::before {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    border: solid var(--cyan);
    opacity: 0.95;
    pointer-events: none;
}

.hero-panel::before,
.feature-card::before,
.submit-card::before,
.prize-card::before,
.criteria-card::before,
.judge-card::before,
.achievement-card::before,
.faq-item::before {
    top: 10px;
    left: 10px;
    border-width: 2px 0 0 2px;
}

.hero-panel::after {
    right: 10px;
    bottom: 10px;
    border-width: 0 2px 2px 0;
}

.panel-label {
    margin: 0 0 1rem;
    color: var(--red);
    font-family: var(--mono);
    font-size: 0.86rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
    margin: 0;
}

.stat-grid div,
.fact-chip {
    min-height: 98px;
    padding: 1rem;
    border: 1px solid rgba(17, 233, 255, 0.26);
    background: rgba(255, 255, 255, 0.04);
}

.stat-grid dt {
    color: var(--muted-2);
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 900;
    text-transform: uppercase;
}

.stat-grid dd {
    margin: 0.35rem 0 0;
    color: var(--ink);
    font-size: 1.05rem;
    font-weight: 900;
}

.section {
    position: relative;
    padding: clamp(4.5rem, 8vw, 7.25rem) 0;
}

.section::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(circle at 12% 10%, rgba(17, 233, 255, 0.08), transparent 24rem);
}

.section.soft {
    border-block: 1px solid rgba(17, 233, 255, 0.15);
    background:
        linear-gradient(135deg, rgba(21, 37, 255, 0.08), transparent 38%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.01));
}

.section.compact {
    padding: clamp(3.5rem, 6vw, 5rem) 0;
}

.two-column {
    display: grid;
    grid-template-columns: minmax(260px, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(1.4rem, 5vw, 4rem);
    align-items: start;
}

.section-heading {
    max-width: 760px;
}

.section-heading.centered {
    margin-inline: auto;
    text-align: center;
}

.section-heading h2,
.site-footer h2 {
    font-size: clamp(1.45rem, 3.5vw, 3.3rem);
    text-transform: uppercase;
    text-shadow:
        3px 3px 0 rgba(21, 37, 255, 0.88),
        6px 6px 0 rgba(216, 50, 135, 0.42),
        0 0 28px rgba(17, 233, 255, 0.2);
}

.section-heading p:not(.eyebrow),
.section-copy p,
.challenge-panel p,
.site-footer p {
    color: var(--muted);
    font-size: 1.05rem;
}

.section-heading p:not(.eyebrow) {
    margin: 1.1rem 0 0;
}

.section-copy p:first-child {
    margin-top: 0;
}

.section-copy p:last-child {
    margin-bottom: 0;
}

.feature-list,
.submit-grid,
.prize-grid,
.criteria-grid,
.judge-grid,
.achievement-grid {
    display: grid;
    gap: 1rem;
}

.feature-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: clamp(2rem, 5vw, 4rem);
}

.feature-card,
.submit-card,
.prize-card,
.criteria-card,
.judge-card,
.achievement-card,
.faq-item {
    position: relative;
    border: 1px solid rgba(17, 233, 255, 0.28);
    background:
        linear-gradient(140deg, rgba(17, 233, 255, 0.07), transparent 35%),
        linear-gradient(310deg, rgba(240, 60, 102, 0.09), transparent 48%),
        var(--card);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.035), 0 16px 36px rgba(0, 0, 0, 0.26);
    clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.feature-card,
.submit-card,
.prize-card,
.criteria-card,
.judge-card,
.achievement-card {
    padding: 1.3rem;
}

.feature-card:hover,
.submit-card:hover,
.prize-card:hover,
.criteria-card:hover,
.judge-card:hover,
.achievement-card:hover,
.faq-item:hover {
    border-color: rgba(17, 233, 255, 0.65);
    box-shadow: 0 0 0 2px rgba(21, 37, 255, 0.2), var(--shadow-cyan), 0 20px 46px rgba(0, 0, 0, 0.36);
}

.card-icon {
    display: inline-grid;
    place-items: center;
    width: 46px;
    height: 46px;
    margin-bottom: 1rem;
    border: 1px solid rgba(17, 233, 255, 0.42);
    background: rgba(17, 233, 255, 0.08);
    font-size: 1.35rem;
    box-shadow: inset 0 0 22px rgba(21, 37, 255, 0.2);
}

.feature-card h3,
.submit-card h3,
.prize-card h3,
.criteria-card h3,
.judge-card h3,
.challenge-panel h3 {
    margin: 0;
    color: var(--ink);
    line-height: 1.08;
    letter-spacing: -0.03em;
    font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.feature-card p,
.submit-card p,
.prize-card li,
.criteria-card p,
.judge-card p {
    color: var(--muted);
}

.feature-card p,
.submit-card p,
.criteria-card p,
.judge-card p {
    margin-bottom: 0;
}

.challenge-panel {
    position: relative;
    display: grid;
    grid-template-columns: minmax(240px, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(1rem, 4vw, 2.5rem);
    margin-top: clamp(2rem, 5vw, 4rem);
    padding: clamp(1.25rem, 3vw, 2rem);
    border: 2px solid rgba(17, 233, 255, 0.58);
    background:
        linear-gradient(135deg, rgba(21, 37, 255, 0.18), transparent 42%),
        linear-gradient(315deg, rgba(240, 60, 102, 0.16), transparent 42%),
        rgba(6, 9, 34, 0.88);
    box-shadow: 8px 8px 0 rgba(21, 37, 255, 0.38), var(--shadow-cyan);
    clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}

.challenge-panel p {
    margin: 0;
}

.challenge-panel p + p {
    margin-top: 0.85rem;
}

.submit-block {
    margin-top: clamp(3rem, 7vw, 5.5rem);
}

.submit-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin-top: 1.35rem;
}

.submit-card span,
.criteria-card span {
    display: inline-flex;
    margin-bottom: 1.1rem;
    color: var(--cyan);
    font-family: var(--mono);
    font-weight: 900;
    text-shadow: 0 0 16px rgba(17, 233, 255, 0.7);
}

.prize-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin-top: 1.5rem;
}

.prize-card {
    grid-column: span 2;
    min-height: 265px;
}

.prize-card.featured {
    grid-column: span 3;
    border-color: rgba(235, 244, 255, 0.85);
    background:
        linear-gradient(135deg, rgba(17, 233, 255, 0.18), transparent 34%),
        linear-gradient(315deg, rgba(240, 60, 102, 0.22), transparent 44%),
        linear-gradient(180deg, rgba(21, 37, 255, 0.38), rgba(8, 10, 38, 0.95));
    box-shadow: 10px 10px 0 rgba(216, 50, 135, 0.5), var(--shadow-cyan), var(--shadow-magenta);
}

.prize-card:nth-child(2) {
    grid-column: span 3;
}

.tier-label {
    display: inline-flex;
    margin: 0 0 0.75rem;
    padding: 0.26rem 0.55rem;
    border: 1px solid rgba(17, 233, 255, 0.5);
    background: rgba(17, 233, 255, 0.08);
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 0.76rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.prize-card ul {
    margin: 1rem 0 0;
    padding-left: 1.15rem;
}

.prize-card li + li {
    margin-top: 0.42rem;
}

.achievement-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 1.5rem;
}

.achievement-card {
    text-align: center;
}

.achievement-card strong {
    display: block;
    color: var(--ink);
    font-size: 1.4rem;
    line-height: 1.1;
}

.achievement-card span {
    display: block;
    margin-top: 0.5rem;
    color: var(--cyan);
    font-family: var(--mono);
    text-transform: uppercase;
}

.judge-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 1.5rem;
}

.judge-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    align-items: center;
}

.avatar {
    display: grid;
    place-items: center;
    width: 76px;
    height: 76px;
    border: 2px solid var(--cyan);
    background: linear-gradient(135deg, var(--blue), var(--purple), var(--red));
    color: var(--ink);
    font-family: var(--mono);
    font-size: 1.25rem;
    font-weight: 900;
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.5);
    box-shadow: 5px 5px 0 rgba(21, 37, 255, 0.55), var(--shadow-cyan);
}

.criteria-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 1.5rem;
}

.rule-list {
    counter-reset: rules;
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
}

.rule-list li {
    counter-increment: rules;
    position: relative;
    display: grid;
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
    min-height: 120px;
    padding: 1.2rem;
    border: 1px solid rgba(17, 233, 255, 0.26);
    background:
        linear-gradient(90deg, rgba(21, 37, 255, 0.2), transparent 34%),
        rgba(7, 11, 36, 0.78);
    clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
}

.rule-list li::before {
    content: counter(rules, decimal-leading-zero);
    display: grid;
    place-items: center;
    width: 72px;
    height: 72px;
    border: 2px solid var(--cyan);
    background: rgba(17, 233, 255, 0.08);
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 1.2rem;
    font-weight: 900;
    box-shadow: 4px 4px 0 rgba(216, 50, 135, 0.55);
}

.rule-list h3 {
    margin: 0 0 0.45rem;
    line-height: 1.08;
    font-size: clamp(1.2rem, 2vw, 1.65rem);
}

.rule-list p {
    margin: 0;
    color: var(--muted);
}

.rule-list p + p {
    margin-top: 0.8rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(1.5rem, 5vw, 4rem);
    align-items: start;
}

.faq-intro h2 {
    margin: 0;
    font-size: clamp(2.6rem, 5vw, 5rem);
    line-height: 0.95;
    text-transform: uppercase;
    text-shadow: 3px 3px 0 rgba(21, 37, 255, 0.88), 6px 6px 0 rgba(216, 50, 135, 0.42);
}

.faq-intro p:not(.eyebrow) {
    color: var(--muted);
}

.faq-list {
    display: grid;
    gap: 0.85rem;
}

.faq-item {
    padding: 0;
    overflow: hidden;
}

.faq-item summary {
    cursor: pointer;
    padding: 1.15rem 1.25rem;
    color: var(--ink);
    font-weight: 900;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    float: right;
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 1.2rem;
}

.faq-item[open] summary::after {
    content: "-";
}

.faq-item div {
    padding: 0 1.25rem 1.25rem;
    color: var(--muted);
}

.faq-item p {
    margin: 0;
}

.faq-item a {
    display: inline-flex;
    margin-top: 0.7rem;
    color: var(--cyan);
    font-weight: 900;
}

.site-footer {
    position: relative;
    padding: clamp(3.5rem, 7vw, 6rem) 0;
    border-top: 2px solid rgba(17, 233, 255, 0.28);
    background:
        radial-gradient(circle at 20% 0%, rgba(17, 233, 255, 0.16), transparent 26rem),
        radial-gradient(circle at 84% 12%, rgba(240, 60, 102, 0.18), transparent 24rem),
        rgba(2, 2, 10, 0.95);
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.5rem;
    align-items: end;
}

.site-footer h2 {
    max-width: 900px;
}

.site-footer p {
    margin-bottom: 0;
}

.reveal {
    opacity: 1;
    transform: none;
}

.motion-ready .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 620ms ease, transform 620ms ease;
}

.motion-ready .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes scanline {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100%);
    }
}

.hero-band::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: linear-gradient(180deg, transparent 0%, rgba(17, 233, 255, 0.05) 50%, transparent 100%);
    opacity: 0.45;
    animation: scanline 8s linear infinite;
}

@media (max-width: 1100px) {
    .nav-shell {
        grid-template-columns: auto auto auto;
    }

    .primary-nav {
        order: 4;
        grid-column: 1 / -1;
        justify-self: stretch;
    }

    .nav-menu {
        justify-content: center;
        flex-wrap: wrap;
        padding-bottom: 0.75rem;
    }

    .hero-layout,
    .two-column,
    .challenge-panel,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .hero-panel {
        max-width: 720px;
    }

    .feature-list,
    .criteria-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .submit-card:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 820px) {
    :root {
        --header-height: 72px;
        --container: min(100% - 28px, 1160px);
    }

    .nav-shell {
        grid-template-columns: auto auto;
    }

    .brand-copy {
        display: grid;
    }

    .brand-logo {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .nav-cta {
        display: none;
    }

    .primary-nav {
        grid-column: 1 / -1;
    }

    .nav-menu {
        display: none;
        align-items: stretch;
        padding: 0 0 1rem;
    }

    .nav-menu.active {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
    }

    .nav-menu a {
        justify-content: center;
        border: 1px solid rgba(17, 233, 255, 0.22);
        background: rgba(255, 255, 255, 0.035);
    }

    .hero-band {
        min-height: auto;
        padding-top: 3rem;
    }

    .hero-copy h1 {
        font-size: clamp(2.15rem, 10vw, 3.8rem);
    }

    .stat-grid,
    .feature-list,
    .submit-grid,
    .prize-grid,
    .achievement-grid,
    .judge-grid,
    .criteria-grid {
        grid-template-columns: 1fr;
    }

    .prize-card,
    .prize-card.featured,
    .prize-card:nth-child(2) {
        grid-column: auto;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        align-items: start;
    }
}

@media (max-width: 560px) {
    .hero-actions,
    .footer-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .hero-panel {
        clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
        box-shadow: 6px 6px 0 rgba(21, 37, 255, 0.4), var(--shadow-cyan);
    }

    .rule-list li {
        grid-template-columns: 1fr;
    }

    .rule-list li::before {
        width: 58px;
        height: 58px;
    }

    .nav-menu.active {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}
/* =========================
   SPONSORS
   Old sizes + current AI styling
========================= */

#sponsors {
    position: relative;
    overflow: hidden;
}

#sponsors::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 15% 12%, rgba(94, 234, 255, 0.12), transparent 28%),
        radial-gradient(circle at 85% 35%, rgba(255, 62, 165, 0.11), transparent 30%),
        radial-gradient(circle at 50% 90%, rgba(157, 78, 221, 0.14), transparent 34%);
}

#sponsors .container {
    position: relative;
    z-index: 1;
}

.sponsor-tier-block {
    margin-top: 3.5rem;
}

.sponsor-tier-block + .sponsor-tier-block {
    margin-top: 5rem;
}

.sponsor-tier-heading {
    margin: 0 0 2rem;
    text-align: center;
    color: #ffffff;
    font-size: clamp(1.8rem, 4vw, 3.2rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.04em;
}

.gold-heading {
    color: #ffd36a;
    text-shadow:
        0 0 18px rgba(255, 211, 106, 0.45),
        0 0 34px rgba(255, 62, 165, 0.22);
}

.silver-heading {
    color: #d8e7ff;
    text-shadow:
        0 0 18px rgba(190, 220, 255, 0.38),
        0 0 34px rgba(94, 234, 255, 0.22);
}

.bronze-heading {
    color: #ff9f63;
    text-shadow:
        0 0 18px rgba(255, 159, 99, 0.36),
        0 0 34px rgba(255, 62, 165, 0.2);
}

/* Same organization as old page */
.sponsor-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 4rem;
}

.sponsor-logos a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: fit-content;
    max-width: 100%;
    padding: 1.25rem;
    border: 1px solid rgba(94, 234, 255, 0.18);
    border-radius: 24px;
    background:
        radial-gradient(circle at top left, rgba(94, 234, 255, 0.13), transparent 34%),
        radial-gradient(circle at bottom right, rgba(255, 62, 165, 0.12), transparent 38%),
        rgba(10, 15, 32, 0.78);
    box-shadow:
        0 18px 50px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transition:
        transform 0.22s ease,
        border-color 0.22s ease,
        box-shadow 0.22s ease,
        background 0.22s ease;
}

.sponsor-logos a:hover {
    transform: translateY(-6px);
    border-color: rgba(94, 234, 255, 0.45);
    background:
        radial-gradient(circle at top left, rgba(94, 234, 255, 0.18), transparent 36%),
        radial-gradient(circle at bottom right, rgba(255, 62, 165, 0.17), transparent 40%),
        rgba(12, 18, 40, 0.92);
    box-shadow:
        0 24px 70px rgba(0, 0, 0, 0.38),
        0 0 34px rgba(94, 234, 255, 0.16),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.sponsor-logos img {
    display: block;
    object-fit: contain;
    border-radius: 8px;
    filter:
        drop-shadow(0 0 16px rgba(0, 221, 255, 0.408))
        drop-shadow(0 10px 22px rgba(0, 0, 0, 0.34))
        saturate(1.08);
}


/* Gold sponsors: large */
.sponsor-logos.xlarge img {
    width: clamp(260px, 60vw, 600px);
    height: auto;

}

/* Silver sponsors: medium */
.sponsor-logos.medium img {
    width: clamp(180px, 40vw, 350px);
    height: auto;
}
.sponsor-logos.medium {
    display: grid;
    grid-template-columns: repeat(2, .4fr);
    gap: 20px;
    justify-items: center;
    align-items: center;
}

/* Special gen.xyz sizing from old page */
.sponsor-logos.medium .xyz {
    flex-basis: 100%;
    display: flex;
    justify-content: center;
}

.sponsor-logos.medium .xyz img {
    width: auto;
    height: clamp(120px, 20vw, 180px);
}

/* Bronze sponsors: small */
.sponsor-logos.small img {
    width: clamp(120px, 25vw, 200px);
    height: auto;
}
.sponsor-logos.small {
    display: grid;
    grid-template-columns: repeat(3, .3fr);
    gap: 10px;
    justify-items: center;
    align-items: center;
}

/* Optional sponsor CTA */
.sponsor-callout {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-top: 5rem;
    padding: 1.5rem;
    border: 1px solid rgba(255, 62, 165, 0.22);
    border-radius: 28px;
    background:
        linear-gradient(135deg, rgba(255, 62, 165, 0.13), rgba(94, 234, 255, 0.1)),
        rgba(12, 18, 40, 0.82);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

.sponsor-callout h3 {
    margin: 0 0 0.5rem;
    color: #ffffff;
    font-size: clamp(1.25rem, 2.5vw, 1.9rem);
}

.sponsor-callout p {
    margin: 0;
    color: #b9c4dd;
    line-height: 1.7;
}

.callout-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-end;
}

@media (max-width: 900px) {
    .sponsor-logos {
        gap: 3rem;
    }

    .sponsor-logos a {
        width: 100%;
        padding: 1rem;
    }

    .sponsor-callout {
        align-items: flex-start;
        flex-direction: column;
    }

    .callout-actions {
        justify-content: flex-start;
    }
}

@media (max-width: 560px) {
    .sponsor-logos.xlarge img {
        width: clamp(240px, 82vw, 420px);
    }

    .sponsor-logos.medium img {
        width: clamp(180px, 72vw, 320px);
    }

    .sponsor-logos.small img {
        width: clamp(120px, 60vw, 240px);
    }
}

.jam-link {
    color: #e330ff !important;
    font-weight: 700 !important;
}
.brand img {
            width: 2.75rem;
            height: 2.75rem;
            object-fit: contain;
            border-radius: var(--radius);
        }