* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --ink: #0c1729;
    --muted: #617086;
    --panel: rgba(255, 255, 255, 0.58);
    --panel-strong: rgba(255, 255, 255, 0.78);
    --line: rgba(255, 255, 255, 0.7);
    --shadow: 0 24px 80px rgba(45, 89, 139, 0.18);
    --blue: #246bfe;
    --cyan: #20d6ff;
    --green: #48d6a4;
    --nav-glass-tint: rgba(255, 255, 255, 0);
    --nav-glass-line: rgba(255, 255, 255, 0.34);
    --nav-glass-shadow: rgba(45, 89, 139, 0.08);
    --nav-glass-ink: rgba(12, 23, 41, 0.92);
    --nav-button-bg: rgba(248, 252, 255, 0.92);
    --nav-button-hover: rgba(255, 255, 255, 1);
    --nav-button-border: rgba(12, 23, 41, 0.1);
    --dark-glass: rgba(8, 17, 34, 0.78);
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    background:
        radial-gradient(circle at 14% 10%, rgba(88, 199, 250, 0.35), transparent 30%),
        radial-gradient(circle at 88% 8%, rgba(111, 255, 218, 0.28), transparent 26%),
        linear-gradient(135deg, #effaff 0%, #f8fbff 42%, #e7f3ff 100%);
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.42) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.42) 1px, transparent 1px);
    background-size: 58px 58px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 72%);
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 25% 18%, rgba(255, 255, 255, 0.64) 0 8%, transparent 20%),
        radial-gradient(ellipse at 78% 34%, rgba(255, 255, 255, 0.48) 0 7%, transparent 18%),
        radial-gradient(ellipse at 54% 82%, rgba(255, 255, 255, 0.38) 0 8%, transparent 20%);
    filter: blur(18px);
}

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

.content {
    width: 100%;
}

.navbar {
    position: sticky;
    top: 18px;
    z-index: 1000;
    width: min(920px, calc(100% - 32px));
    height: 74px;
    margin: 18px auto 0;
    padding: 9px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--nav-glass-ink);
    isolation: isolate;
    overflow: hidden;
    background: var(--nav-glass-tint);
    border: 1px solid var(--nav-glass-line);
    border-radius: 999px;
    box-shadow:
        0 18px 54px var(--nav-glass-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(255, 255, 255, 0.12);
    transform: scale(1.018);
    backdrop-filter: saturate(135%) contrast(106%);
    -webkit-backdrop-filter: saturate(135%) contrast(106%);
}

.navbar::before {
    content: "";
    position: absolute;
    inset: 1px;
    z-index: -1;
    pointer-events: none;
    border-radius: inherit;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0) 42%, rgba(255, 255, 255, 0.08)),
        radial-gradient(ellipse at 16% 0%, rgba(255, 255, 255, 0.28), transparent 30%);
    opacity: 0.5;
}

.navbar::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    border-radius: inherit;
    box-shadow:
        inset 1px 1px 1px rgba(255, 255, 255, 0.52),
        inset -1px -1px 2px rgba(44, 85, 115, 0.1);
}

.nav_logo {
    width: 56px;
    height: 56px;
    flex: 0 0 auto;
}

.logo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-image: url("../../icons/main_logo.png");
    background-position: center;
    background-size: cover;
    border: 1px solid rgba(255, 255, 255, 0.42);
    box-shadow: inset 0 0 18px rgba(255, 255, 255, 0.18), 0 8px 28px rgba(0, 0, 0, 0.18);
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.logo:hover {
    transform: translateY(-1px) scale(1.03);
    border-color: rgba(255, 255, 255, 0.85);
}

.mobile-menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    place-items: center;
    color: white;
    cursor: pointer;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
}

.nav_links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.aboutme,
.secondary,
.CTFs,
.MyProfile {
    min-width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: var(--nav-glass-ink);
    font-size: 0.94rem;
    font-weight: 700;
    letter-spacing: 0;
    background: var(--nav-button-bg);
    border: 1px solid var(--nav-button-border);
    box-shadow: 0 8px 24px rgba(12, 23, 41, 0.08);
    transition: transform 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.aboutme,
.secondary,
.CTFs {
    padding: 0 18px;
}

.MyProfile {
    width: 46px;
    padding: 0;
    font-size: 1.1rem;
    cursor: pointer;
}

.theme_toggle button {
    width: 74px;
    height: 42px;
    padding: 0;
    border: 0;
    outline: 0;
    background: transparent;
    cursor: pointer;
}

.toggle-track {
    width: 74px;
    height: 42px;
    padding: 4px;
    display: flex;
    align-items: center;
    border-radius: 999px;
    background: var(--nav-button-bg);
    border: 1px solid var(--nav-button-border);
    box-shadow: 0 8px 24px rgba(12, 23, 41, 0.08);
    transition: background 0.22s ease, border-color 0.22s ease;
}

.toggle-thumb {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #172033;
    background: #ffffff;
    box-shadow: 0 4px 14px rgba(12, 23, 41, 0.18);
    transform: translateX(0);
    transition: transform 0.24s ease, color 0.22s ease, background 0.22s ease;
}

.theme_toggle i {
    font-size: 0.95rem;
}

.border:hover,
.MyProfile:hover {
    transform: translateY(-1px);
    color: var(--nav-glass-ink);
    background: var(--nav-button-hover);
    border-color: var(--nav-glass-line);
}

.theme_toggle button:hover .toggle-track {
    background: var(--nav-button-hover);
    border-color: var(--nav-glass-line);
}

.home-page {
    padding: 34px 20px 96px;
}

.hero-shell {
    position: relative;
    width: min(1180px, 100%);
    min-height: calc(100vh - 148px);
    margin: 0 auto;
    display: flex;
    align-items: center;
    isolation: isolate;
}

.hero-grid {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.72fr);
    gap: 32px;
    align-items: center;
}

.hero-copy {
    padding: 34px 0;
}

.eyebrow,
.section-kicker {
    color: #2261d7;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero-copy h1 {
    max-width: 760px;
    margin-top: 14px;
    color: #08111f;
    font-size: clamp(3.2rem, 8vw, 7.6rem);
    line-height: 0.9;
    letter-spacing: 0;
}

.hero-alias {
    margin-top: 14px;
    color: rgba(12, 23, 41, 0.72);
    font-size: clamp(1.35rem, 3vw, 2.3rem);
    font-weight: 800;
}

.hero-text {
    max-width: 660px;
    margin-top: 22px;
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.primary-action,
.ghost-action {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: 999px;
    padding: 0 20px;
    font-weight: 800;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.primary-action {
    color: white;
    background: linear-gradient(135deg, #111827, #246bfe 58%, #20d6ff);
    box-shadow: 0 16px 34px rgba(36, 107, 254, 0.28);
}

.ghost-action {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.52);
    border: 1px solid rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.primary-action:hover,
.ghost-action:hover {
    transform: translateY(-2px);
}

.ice-panel {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.34)),
        radial-gradient(circle at 18% 10%, rgba(255, 255, 255, 0.92), transparent 18%),
        radial-gradient(circle at 100% 100%, rgba(32, 214, 255, 0.18), transparent 36%);
    border: 1px solid var(--line);
    border-radius: 30px;
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(26px) saturate(155%);
    -webkit-backdrop-filter: blur(26px) saturate(155%);
}

.ice-panel::before {
    content: "";
    position: absolute;
    inset: 12px auto auto 16px;
    width: 44%;
    height: 28%;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    filter: blur(18px);
    transform: rotate(-18deg);
}

.hero-card {
    min-height: 420px;
    padding: 30px;
}

.drop-shine {
    position: absolute;
    right: -56px;
    top: -46px;
    width: 210px;
    height: 210px;
    border-radius: 47% 53% 58% 42% / 38% 42% 58% 62%;
    background:
        radial-gradient(circle at 34% 28%, rgba(255, 255, 255, 0.95) 0 8%, transparent 9%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.55), rgba(64, 199, 255, 0.22));
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: inset -16px -20px 38px rgba(74, 172, 245, 0.18), inset 16px 18px 30px rgba(255, 255, 255, 0.45);
}

.status-row {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #263852;
    font-weight: 800;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.48);
    border: 1px solid rgba(255, 255, 255, 0.76);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 7px rgba(72, 214, 164, 0.18);
}

.metric-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 150px;
}

.metric-grid div {
    min-height: 116px;
    padding: 16px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.46);
    border: 1px solid rgba(255, 255, 255, 0.68);
}

.metric-grid strong {
    display: block;
    color: #101928;
    font-size: 1.35rem;
    line-height: 1.1;
}

.metric-grid span {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.35;
}

.liquid-orb {
    position: absolute;
    z-index: -1;
    border-radius: 50%;
    background:
        radial-gradient(circle at 32% 26%, rgba(255, 255, 255, 0.9) 0 9%, transparent 10%),
        radial-gradient(circle at 64% 70%, rgba(32, 214, 255, 0.28), transparent 40%),
        rgba(255, 255, 255, 0.38);
    border: 1px solid rgba(255, 255, 255, 0.54);
    box-shadow: inset 18px 18px 42px rgba(255, 255, 255, 0.44), inset -22px -22px 46px rgba(32, 113, 219, 0.16);
    filter: blur(0.2px);
}

.liquid-orb-one {
    width: 190px;
    height: 190px;
    left: -58px;
    top: 20%;
}

.liquid-orb-two {
    width: 118px;
    height: 118px;
    right: 28%;
    bottom: 12%;
}

.content-river {
    width: min(1180px, 100%);
    margin: -20px auto 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.story-card {
    padding: 28px;
}

.wide-card {
    grid-column: 1 / -1;
}

.story-card h2 {
    position: relative;
    z-index: 1;
    margin-top: 12px;
    color: #0b1526;
    font-size: clamp(1.55rem, 3vw, 2.35rem);
    line-height: 1.08;
    letter-spacing: 0;
}

.story-card p {
    position: relative;
    z-index: 1;
    margin-top: 18px;
    color: #4a5b70;
    font-size: 1.02rem;
}
.story-card a {
    color: #145fe8;
    font-weight: 800;
    text-decoration: underline;
    text-decoration-color: rgba(20, 95, 232, 0.28);
    text-underline-offset: 4px;
}
.about-section {
    width: min(1080px, calc(100% - 32px));
    margin: 64px auto 96px;
}

.about-content {
    display: grid;
    gap: 22px;
}

.content-section {
    padding: 30px;
    border-radius: 26px;
    background: var(--panel);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
}

.content-section h3 {
    color: #103f91;
    font-size: 1.45rem;
    margin-bottom: 12px;
}

.content-section p {
    color: #435166;
    font-size: 1.05rem;
    line-height: 1.8;
}

.footer {
    width: min(980px, calc(100% - 32px));
    min-height: 118px;
    margin: 0 auto 26px;
    padding: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    color: rgba(255, 255, 255, 0.9);
    background: var(--dark-glass);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 34px;
    box-shadow: 0 18px 60px rgba(11, 28, 55, 0.2);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
}

.footer_links {
    min-width: 150px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: 999px;
    color: inherit;
    transition: background 0.22s ease, transform 0.22s ease;
}

.footer_links:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.1);
}

.footer_links i {
    font-size: 1.45rem;
}

.footer_links p {
    font-size: 0.9rem;
}
body.dark-mode {
    --ink: #eaf6ff;
    --muted: #aec0d2;
    --panel: rgba(10, 20, 38, 0.54);
    --panel-strong: rgba(12, 24, 45, 0.76);
    --line: rgba(255, 255, 255, 0.16);
    --nav-glass-tint: rgba(255, 255, 255, 0);
    --nav-glass-line: rgba(226, 238, 255, 0.2);
    --nav-glass-shadow: rgba(0, 0, 0, 0.18);
    --nav-glass-ink: rgba(248, 251, 255, 0.96);
    --nav-button-bg: rgba(15, 23, 42, 0.94);
    --nav-button-hover: rgba(30, 41, 59, 1);
    --nav-button-border: rgba(226, 238, 255, 0.18);
    --glass-tint: rgba(15, 23, 42, 0.72);
    --glass-line: rgba(226, 238, 255, 0.22);
    --glass-shadow: rgba(0, 0, 0, 0.34);
    --glass-ink: rgba(244, 251, 255, 0.92);
    background: #070f1d;
}
body.dark-mode::before {
    background-image:
        linear-gradient(rgba(226, 238, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(226, 238, 255, 0.05) 1px, transparent 1px);
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.32), transparent 68%);
}
body.dark-mode::after {
    display: none;
}
body.dark-mode .navbar,
body.dark-mode .footer {
    background: var(--glass-tint);
}
body.dark-mode .navbar {
    background: var(--nav-glass-tint);
}
body.dark-mode .hero-copy h1,
body.dark-mode .hero-alias,
body.dark-mode .story-card h2,
body.dark-mode .metric-grid strong {
    color: #f4fbff;
}
body.dark-mode .hero-text,
body.dark-mode .story-card p,
body.dark-mode .metric-grid span,
body.dark-mode .content-section p {
    color: #b8c8d9;
}
body.dark-mode .ice-panel,
body.dark-mode .content-section {
    background:
        linear-gradient(145deg, rgba(17, 31, 55, 0.72), rgba(11, 22, 41, 0.4)),
        radial-gradient(circle at 18% 10%, rgba(255, 255, 255, 0.16), transparent 18%),
        radial-gradient(circle at 100% 100%, rgba(32, 214, 255, 0.15), transparent 36%);
}
body.dark-mode .status-row,
body.dark-mode .metric-grid div,
body.dark-mode .ghost-action {
    color: #eaf6ff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
}
body.dark-mode .content-section h3 {
    color: #8fdfff;
}
body.dark-mode .toggle-thumb {
    color: #f8fbff;
    background: #334155;
    transform: translateX(32px);
}

@media (max-width: 900px) {
    .navbar {
        height: 66px;
        top: 12px;
        margin-top: 12px;
    }

    .nav_logo,
    .logo {
        width: 48px;
        height: 48px;
    }

    .mobile-menu-toggle {
        display: grid;
    }

    .nav_links {
        position: fixed;
        top: 88px;
        left: 50%;
        width: min(420px, calc(100% - 32px));
        padding: 14px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 10px;
        opacity: 0;
        pointer-events: none;
        transform: translate(-50%, -12px) scale(0.98);
        border-radius: 28px;
        background: rgba(131, 164, 226, 0.86);
        border: 1px solid rgba(255, 255, 255, 0.18);
        box-shadow: 0 22px 70px rgba(11, 28, 55, 0.3);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        transition: opacity 0.22s ease, transform 0.22s ease;
    }

    .nav_links.active {
        opacity: 1;
        pointer-events: auto;
        transform: translate(-50%, 0) scale(1);
    }

    .nav_links a,
    .theme_toggle,
    .aboutme,
    .secondary,
    .CTFs {
        width: 100%;
    }

    .aboutme,
    .secondary,
    .CTFs,
    .theme_toggle button {
        justify-content: center;
        height: 48px;
    }

    .MyProfile {
        width: 100%;
    }

    .home-page {
        padding-top: 24px;
    }

    .hero-shell {
        min-height: auto;
        padding-top: 34px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-card {
        min-height: 360px;
    }

    .metric-grid {
        margin-top: 110px;
    }

    .content-river {
        grid-template-columns: 1fr;
        margin-top: 20px;
    }
}

@media (max-width: 560px) {
    .navbar {
        width: min(100% - 20px, 920px);
        height: 62px;
        padding: 7px;
    }

    .nav_links {
        top: 82px;
        width: calc(100% - 20px);
    }

    .home-page {
        padding-left: 12px;
        padding-right: 12px;
    }

    .hero-copy {
        padding-top: 10px;
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .primary-action,
    .ghost-action {
        width: 100%;
    }

    .hero-card,
    .story-card,
    .content-section {
        border-radius: 24px;
        padding: 22px;
    }

    .metric-grid {
        grid-template-columns: 1fr;
        margin-top: 84px;
    }

    .metric-grid div {
        min-height: auto;
    }

    .footer {
        border-radius: 26px;
        align-items: stretch;
    }

    .footer_links {
        width: 100%;
        min-width: 0;
    }
}