:root {
    --bg: #25384A;
    --bg-elev: #1D2E3D;
    --glass: rgba(255, 255, 255, 0.055);
    --glass-strong: rgba(255, 255, 255, 0.09);
    --text: #F4F6F2;
    --text-dim: #AEC0CE;
    --accent: #F2B134;
    --accent-2: #EF8B6E;
    --border: rgba(244, 246, 242, 0.14);
    box-sizing: border-box;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #25384A;
        --bg-elev: #1D2E3D;
        --glass: rgba(255, 255, 255, 0.055);
        --glass-strong: rgba(255, 255, 255, 0.09);
        --text: #F4F6F2;
        --text-dim: #AEC0CE;
        --accent: #F2B134;
        --accent-2: #EF8B6E;
        --border: rgba(244, 246, 242, 0.14);
    }
}

:root[data-theme="dark"] {
    --bg: #25384A;
    --bg-elev: #1D2E3D;
    --glass: rgba(255, 255, 255, 0.055);
    --glass-strong: rgba(255, 255, 255, 0.09);
    --text: #F4F6F2;
    --text-dim: #AEC0CE;
    --accent: #F2B134;
    --accent-2: #EF8B6E;
    --border: rgba(244, 246, 242, 0.14);
}

html {
    scroll-padding-top: env(safe-area-inset-top, 0px);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--text);
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    background: var(--bg);
    position: relative;
    overflow-x: hidden;
}

h1,
h2,
.wordmark,
.chip,
.brand-text {
    font-family: 'Space Grotesk', system-ui, sans-serif;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

/* --- atmosfera: nebulose sfocate in movimento --- */
.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(90px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.35;
}

.orb-1 {
    width: 520px;
    height: 520px;
    background: var(--accent);
    top: -180px;
    left: -120px;
    animation: drift1 22s ease-in-out infinite;
}

.orb-2 {
    width: 460px;
    height: 460px;
    background: var(--accent-2);
    bottom: -160px;
    right: -140px;
    animation: drift2 26s ease-in-out infinite;
}

@keyframes drift1 {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(60px, 50px);
    }
}

@keyframes drift2 {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(-50px, -40px);
    }
}

.grain {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(29, 46, 61, 0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-text {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}

.brand-text span {
    color: var(--accent);
}

.school {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.logo-mark path,
.logo-mark rect.frame {
    stroke-dasharray: 140;
    stroke-dashoffset: 140;
    animation: draw 1.1s ease forwards;
}

.logo-mark rect.pixel {
    animation-delay: 0.9s;
    animation: pixel-in 0.4s ease forwards;
    opacity: 0;
    transform-origin: center;
}

@keyframes draw {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes pixel-in {
    to {
        opacity: 1;
        transform: scale(1);
    }

    from {
        transform: scale(0.3);
    }
}

main {
    position: relative;
    z-index: 1;
}

.hero {
    max-width: 1080px;
    margin: 0 auto;
    padding: 72px 24px 20px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px 6px 10px;
    border-radius: 100px;
    background: var(--glass);
    border: 1px solid var(--border);
    font-size: 0.82rem;
    color: var(--text-dim);
    margin-bottom: 22px;
    opacity: 0;
    animation: rise 0.6s ease 0.05s forwards;
}

.badge .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-2);
    position: relative;
}

.badge .dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--accent-2);
    opacity: 0.5;
    animation: pulse 1.8s ease-out infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.6);
        opacity: 0.6;
    }

    100% {
        transform: scale(2.2);
        opacity: 0;
    }
}

.wordmark {
    font-size: clamp(2.6rem, 7vw, 4.8rem);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.03em;
    margin: 0 0 18px;
    max-width: 15ch;
    background: linear-gradient(100deg, var(--text) 30%, var(--text-dim) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    opacity: 0;
    animation: rise 0.6s ease 0.15s forwards;
}

.wordmark .cursor {
    display: inline-block;
    color: var(--accent);
    -webkit-text-fill-color: var(--accent);
    animation: blink 1.1s step-end infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero p {
    max-width: 52ch;
    color: var(--text-dim);
    font-size: 1.08rem;
    line-height: 1.65;
    margin: 0 0 32px;
    opacity: 0;
    animation: rise 0.6s ease 0.3s forwards;
}

.hero p strong {
    color: var(--text);
    font-weight: 600;
}

.stats {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--border);
    opacity: 0;
    animation: rise 0.6s ease 0.42s forwards;
}

.stat b {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.stat span {
    font-size: 0.82rem;
    color: var(--text-dim);
}

.filters {
    max-width: 1080px;
    margin: 0 auto;
    padding: 32px 24px 0;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.chip {
    background: var(--glass);
    color: var(--text-dim);
    border: 1px solid var(--border);
    padding: 9px 18px;
    border-radius: 100px;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color .2s ease, color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
    backdrop-filter: blur(8px);
}

.chip:hover {
    color: var(--text);
    border-color: rgba(244, 246, 242, 0.35);
    transform: translateY(-2px);
}

.chip.active {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #26190A;
    border-color: transparent;
    box-shadow: 0 8px 22px rgba(242, 177, 52, 0.28);
}

.chip:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.grid {
    max-width: 1080px;
    margin: 0 auto;
    padding: 28px 24px 90px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 22px;
}

.card {
    position: relative;
    background: var(--glass);
    border: 1px solid var(--border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .35s cubic-bezier(.2, .8, .2, 1), border-color .3s ease, box-shadow .3s ease, background .3s ease;
    opacity: 0;
    transform: translateY(16px);
    animation: card-in 0.55s ease forwards;
    will-change: transform;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease;
    background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%), rgba(244, 246, 242, 0.16), transparent 70%);
}

.card::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transition: width .35s ease;
}

.card:hover {
    border-color: rgba(244, 246, 242, 0.3);
    background: var(--glass-strong);
    box-shadow: 0 20px 40px rgba(9, 16, 24, 0.35), 0 0 0 1px rgba(244, 246, 242, 0.06);
}

.card:hover::before {
    opacity: 1;
}

.card:hover::after {
    width: 100%;
}

.card:focus-within {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@keyframes card-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.thumb {
    height: 150px;
    position: relative;
    overflow: hidden;
}

.thumb.game {
    background:
        radial-gradient(circle at 30% 30%, rgba(242, 177, 52, 0.32), transparent 55%),
        repeating-linear-gradient(45deg, rgba(244, 246, 242, 0.07) 0 2px, transparent 2px 14px),
        var(--bg-elev);
}

.thumb.other {
    background:
        radial-gradient(circle at 70% 30%, rgba(239, 139, 110, 0.30), transparent 55%),
        repeating-linear-gradient(0deg, rgba(244, 246, 242, 0.06) 0 1px, transparent 1px 18px),
        var(--bg-elev);
}

.thumb .icon {
    position: absolute;
    bottom: 12px;
    left: 14px;
    font-size: 1.6rem;
    animation: float 3.2s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

.card:hover .thumb .icon {
    animation-duration: 1.1s;
}

.card-body {
    padding: 18px 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.tag {
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 100px;
    letter-spacing: 0.01em;
}

.tag.game {
    background: var(--accent);
    color: #3E2E08;
}

.tag.other {
    background: var(--accent-2);
    color: #3A1710;
}

.card h2 {
    margin: 2px 0 0;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.card p {
    margin: 0;
    color: var(--text-dim);
    font-size: 0.92rem;
    line-height: 1.5;
    flex: 1;
}

.meta {
    margin-top: 6px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--text-dim);
}

.meta .authors {
    font-weight: 500;
    color: var(--text);
}

.meta a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    transition: color .15s ease, transform .15s ease;
    display: inline-block;
}

.meta a:hover {
    color: var(--accent);
    transform: translateX(2px);
}

.meta a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 2px;
}

.empty {
    max-width: 1080px;
    margin: 0 auto;
    padding: 40px 24px 80px;
    color: var(--text-dim);
    display: none;
}

footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 26px 24px;
    padding-bottom: calc(26px + env(safe-area-inset-bottom, 0px));
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
}