@font-face {
        font-family: 'ZenTokyoZoo';
        src: url('/assets/fonts/ZenTokyoZoo-Regular.ttf') format('truetype');
        font-display: swap;
    }

    @font-face {
        font-family: 'ShareTechMono';
        src: url('/assets/fonts/ShareTechMono-Regular.ttf') format('truetype');
        font-display: swap;
    }

    :root {
        color-scheme: dark;
    }

    * {
        box-sizing: border-box;
    }

    html, body {
        margin: 0;
        padding: 0;
        min-height: 100%;
        background: #000;
        overflow-x: hidden;
    }

    .title {
        font-family: 'ZenTokyoZoo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        color: #ffffff;
        font-size: clamp(24px, 4.6vw, 74px);
        text-align: center;
        margin-top: clamp(12px, 4vw, 20px);
        margin-bottom: clamp(6px, 2vw, 12px);
        letter-spacing: clamp(0.25px, 0.5vw, 8px);
        position: relative;
        z-index: 10;
        padding: 0 clamp(8px, 2vw, 36px);
        line-height: 1.05;
    }

    /* Cinematic center-out green glow sweep */
    .title::after {
        content: "";
        position: absolute;
        inset: 0;
        margin: auto;
        background: radial-gradient(
            ellipse 80% 45% at center,
            rgba(0, 255, 160, 0.85),
            rgba(0, 255, 160, 0.0) 65%
        );
        filter: blur(7px);
        transform-origin: center;
        transform: scaleX(0.1);
        opacity: 0;
        pointer-events: none;
        z-index: -1;
        animation: titleSweep 2.5s ease-out infinite;
    }

    @keyframes titleSweep {
        0% {
            transform: scaleX(0.1);
            opacity: 0;
        }
        15% {
            opacity: 1;
        }
        60% {
            transform: scaleX(1.15);
            opacity: 1;
        }
        100% {
            transform: scaleX(1.7);
            opacity: 0;
        }
    }

    @media (min-width: 1100px) {
        .title {
            white-space: nowrap;
        }
    }

    .title-link {
        color: inherit;
        text-decoration: none;
        display: inline-block;
        padding: 0.15em 0.35em;
    }

    .title-link:focus-visible {
        outline: 2px solid rgba(255, 204, 0, 0.85);
        outline-offset: 4px;
    }

    .title-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;     /* Centers title + logo horizontally */
        margin: 20px auto 0 auto; /* Center wrapper itself within viewport */
        position: relative;
        z-index: 20;
        width: min(100%, 1200px);
        padding: 0 16px;
    }

    .logo-link {
        display: inline-flex;
        justify-content: center;
        align-items: center;
        border-radius: 50%;
    }

    .logo-link:focus-visible {
        outline: 2px solid rgba(255, 204, 0, 0.85);
        outline-offset: 6px;
    }

    .logo {
        display: block;
        margin: 0 auto;                         /* centers the image in the wrapper */
        width: clamp(70px, 10vw, 110px); 
        height: auto;
        transform: rotate(310deg);

        filter: drop-shadow(0 0 10px rgba(255, 140, 0, 0.85));
        animation: float 3s ease-in-out infinite, glow 2.5s ease-in-out infinite;
        will-change: transform, filter;
    }
    /* rotation + floating */
    @keyframes float {
        0%   { transform: rotate(310deg) translateY(0); }
        50%  { transform: rotate(310deg) translateY(-8px); }
        100% { transform: rotate(310deg) translateY(0); }
    }

    /* orange ambient glow pulse */
    @keyframes glow {
        0%, 100% {
            filter: drop-shadow(0 0 4px rgba(255, 140, 0, 0.6));
        }
        50% {
            filter: drop-shadow(0 0 18px rgba(255, 160, 0, 1));
        }
    }

    /* Container for all stars */
    #sky {
        position: fixed;
        inset: 0;
        overflow: hidden;
        background: #000;
    }

    .star {
        position: absolute;
        border-radius: 50%;
        opacity: 0;
        animation-name: twinkle;
        animation-iteration-count: infinite;
        will-change: transform, opacity;
    }

    .shooting-star {
        position: absolute;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background-color: #ffcc00;
        animation-name: shoot;
        animation-fill-mode: forwards;
        will-change: transform, opacity;
    }

    @keyframes twinkle {
        0% {
            opacity: 0;
            transform: scale(0.8);
        }
        50% {
            opacity: 1;
            transform: scale(1);
        }
        100% {
            opacity: 0;
            transform: scale(0.8);
        }
    }

    @keyframes shoot {
        0% {
            transform: translate(0, 0) scale(1);
            opacity: 1;
        }
        100% {
            transform: translate(400px, 200px) scale(0);
            opacity: 0;
        }
    }
    @media (max-width: 600px) {
        .title {
            font-size: 52px;
            letter-spacing: 4px;
        }

        .logo {
            width: 60px; /* smaller on very small screens, but still centered */
        }
    }

    .about-content {
        position: relative;
        z-index: 20;
        width: min(95%, 960px);
        margin: 40px auto 60px auto;
        padding: 32px 48px;
        border: 1px solid rgba(255, 255, 255, 0.35);
        border-radius: 16px;
        background: rgba(0, 0, 0, 0.22);
        color: #f7f7f7;
        font-family: 'ShareTechMono', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        line-height: 1.5;
        backdrop-filter: blur(6px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
    }

    .about-content h2 {
        margin-top: 0;
        margin-bottom: 16px;
        font-size: 32px;
        letter-spacing: 4px;
        text-align: center;
    }

    .about-content p {
        margin: 0 0 16px 0;
        font-size: 20px;
        opacity: 0.9;
        position: relative;
    }

    .about-content p:first-of-type {
        padding-left: 32px;
    }

    .about-content p:first-of-type::before {
        content: "✦";
        position: absolute;
        left: 0;
        top: 0;
        color: #ffcc00;
        font-size: 22px;
        line-height: 1;
    }

    .experiment-list {
        margin-top: 32px;
        display: grid;
        gap: 18px;
    }

    .experiment-item {
        border: 1px solid rgba(255, 255, 255, 0.25);
        border-radius: 14px;
        padding: 20px;
        background: rgba(0, 0, 0, 0.45);
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
    }

    .experiment-series {
        font-size: 0.8rem;
        letter-spacing: 4px;
        text-transform: uppercase;
        color: #ff9100;
        margin: 0 0 8px 0;
    }

    .experiment-item-title {
        margin: 0 0 10px 0;
        font-size: 1.35rem;
    }

    .experiment-item-summary {
        margin: 0 0 16px 0;
        color: rgba(255, 255, 255, 0.85);
    }

    .experiment-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 10px 18px;
        border-radius: 999px;
        text-decoration: none;
        text-transform: uppercase;
        letter-spacing: 1.5px;
        font-size: 0.85rem;
        color: #000;
        background: #ffcc00;
        font-weight: 700;
    }

    .experiment-link:hover,
    .experiment-link:focus-visible {
        box-shadow: 0 0 12px rgba(255, 204, 0, 0.6);
    }

    .about-highlights {
        list-style: none;
        padding: 0;
        margin: 0;
        text-align: left;
    }

    .about-highlights li {
        position: relative;
        padding-left: 28px;
        margin-bottom: 12px;
        font-size: 16px;
        letter-spacing: 1px;
    }

    .about-highlights li::before {
        content: "✦";
        position: absolute;
        left: 0;
        color: #ffcc00;
    }

    .nav-links {
        position: relative;
        z-index: 20;
        display: flex;
        justify-content: center;
        gap: 12px;
        margin-top: 40px;
        flex-wrap: nowrap;
        width: min(100%, 720px);
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: 1 1 auto;
        min-width: 120px;
        max-width: 180px;
        white-space: nowrap;
        padding: clamp(10px, 1.4vw, 12px) clamp(14px, 3vw, 22px);
        border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, 0.4);
        text-decoration: none;
        color: #ffffff;
        font-family: 'ZenTokyoZoo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        letter-spacing: clamp(0.5px, 0.4vw, 2px);
        font-size: clamp(13px, 1.6vw, 18px);
        transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        background: rgba(0, 0, 0, 0.65);
        text-transform: uppercase;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
        border-color: #ffcc00;
        box-shadow: 0 0 12px rgba(255, 204, 0, 0.6);
        transform: translateY(-2px);
    }

    .hero-tagline {
        margin: clamp(32px, 7vw, 52px) auto 0 auto;
        width: min(92%, 540px);
        text-align: center;
        font-size: clamp(16px, 2.4vw, 22px);
        line-height: 1.45;
        color: rgba(255, 255, 255, 0.9);
        font-family: 'ShareTechMono', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        letter-spacing: clamp(0.5px, 0.5vw, 2px);
        padding: 0 1rem;
    }

    .notice-banner {
        margin: clamp(18px, 4vw, 36px) auto 0 auto;
        width: min(90%, 520px);
        padding: 14px 24px;
        display: flex;
        flex-direction: column;
        gap: 6px;
        text-align: center;
        font-family: 'ShareTechMono', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        background: rgba(0, 0, 0, 0.65);
        border: 1px solid rgba(255, 255, 255, 0.4);
        border-radius: 14px;
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.55);
    }

    .notice-title {
        font-size: clamp(15px, 2vw, 20px);
        letter-spacing: 2px;
        text-transform: uppercase;
        color: #ffcc00;
    }

    .notice-subtext {
        font-size: clamp(14px, 1.8vw, 18px);
        letter-spacing: 1.5px;
        color: rgba(255, 255, 255, 0.85);
        text-transform: uppercase;
    }

    .notice-link {
        display: inline-flex;
        justify-content: center;
        align-items: center;
        padding: 8px 16px;
        border-radius: 999px;
        text-decoration: none;
        text-transform: uppercase;
        letter-spacing: 1.5px;
        font-size: 0.8rem;
        color: #000;
        background: #ffcc00;
        font-weight: 700;
    }

    .notice-link:hover,
    .notice-link:focus-visible {
        box-shadow: 0 0 12px rgba(255, 204, 0, 0.6);
    }

    .site-footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 25;
        text-align: center;
        color: rgba(255, 255, 255, 0.8);
        font-family: 'ShareTechMono', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        letter-spacing: 1.5px;
        font-size: clamp(14px, 1.8vw, 18px);
        font-weight: 700;
        padding: 18px 16px;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(6px);
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.6);
    }

    .site-footer a {
        margin-left: 12px;
        color: rgba(255, 255, 255, 0.6);
        text-decoration: none;
        font-size: 0.85em;
    }

    .site-footer a:hover,
    .site-footer a:focus-visible {
        color: rgba(255, 255, 255, 0.85);
        text-decoration: underline;
    }

    .construction-banner {
        width: min(90%, 520px);
        margin: 220px auto 90px auto;
        font-family: 'ShareTechMono', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        color: #ff9100;
        background: rgba(0, 0, 0, 0.65);
        padding: 16px 32px;
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.35);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
        letter-spacing: 2px;
        text-transform: uppercase;
        text-align: center;
        position: relative;
        z-index: 20;
    }

    .icon-credit {
        width: min(90%, 520px);
        margin: 0 auto 110px auto;
        font-family: 'ShareTechMono', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.7);
        text-align: center;
    }

    .icon-credit a {
        color: #ff9100;
        text-decoration: none;
    }

    .icon-credit a:hover,
    .icon-credit a:focus-visible {
        text-decoration: underline;
    }

    @media (max-width: 1024px) {
        .title {
            font-size: clamp(50px, 7vw, 72px);
        }

        .hero-tagline {
            width: min(96%, 520px);
        }

        .nav-link {
            padding: 12px 24px;
        }

        .about-content {
            width: min(96%, 760px);
            padding: 26px 34px;
        }
    }

    @media (max-width: 900px) {
        .title {
            font-size: clamp(44px, 10vw, 64px);
            letter-spacing: 5px;
        }

        .hero-tagline {
            width: min(94%, 500px);
            font-size: 17px;
        }

        .nav-link {
            padding: 12px 20px;
        }

        .about-content {
            width: min(96%, 640px);
            padding: 24px 26px;
        }
    }

    @media (max-width: 768px) {
        .nav-links {
            flex-direction: column;
            align-items: stretch;
            width: 100%;
            padding: 0 24px;
            gap: 12px;
        }

        .nav-link {
            width: 100%;
        }
    }

    @media (max-width: 640px) {
        .title {
            font-size: clamp(30px, 9vw, 48px);
            letter-spacing: clamp(0.25px, 0.35vw, 3px);
        }

        .logo {
            width: clamp(52px, 16vw, 76px);
        }

        .hero-tagline {
            margin-top: 40px;
            width: 90%;
            font-size: 16px;
            line-height: 1.35;
        }

        .nav-links {
            padding: 0 20px;
        }

        .nav-link {
            font-size: 15px;
            letter-spacing: 0.5px;
        }

        .about-content {
            width: 94%;
            padding: 22px 18px;
        }

        .about-content h2 {
            font-size: 26px;
            letter-spacing: 2px;
        }

        .about-content p {
            font-size: 18px;
        }
    }

    @media (max-width: 480px) {
        .title {
            font-size: clamp(26px, 9.5vw, 40px);
            letter-spacing: clamp(0px, 0.2vw, 2px);
            padding: 0 3vw;
        }
    }

    @media (max-width: 420px) {
        .title {
            font-size: clamp(24px, 10.5vw, 34px);
            letter-spacing: 1px;
            padding: 0 3vw;
        }

        .hero-tagline {
            font-size: 16px;
            letter-spacing: 0.5px;
        }

        .about-content {
            padding: 20px 16px;
        }

        .about-content p:first-of-type {
            padding-left: 26px;
        }

        .about-content p:first-of-type::before {
            font-size: 18px;
        }

        .nav-links {
            padding: 0 12px;
        }
    }

    @media (max-width: 360px) {
        .title {
            font-size: clamp(22px, 11vw, 30px);
            letter-spacing: 0.5px;
        }

        .hero-tagline {
            font-size: 15px;
        }

        .nav-link {
            font-size: 14px;
            padding: 10px 16px;
        }
    }