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

:root {
    --bg: #0b1020;
    --panel: rgba(15, 23, 42, 0.76);
    --panel-strong: rgba(15, 23, 42, 0.94);
    --line: rgba(148, 163, 184, 0.22);
    --text: #f8fafc;
    --muted: #94a3b8;
    --accent: #22c55e;
    --accent-strong: #38bdf8;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at 18% 18%, rgba(34, 197, 94, 0.16), transparent 30%),
        radial-gradient(circle at 86% 26%, rgba(56, 189, 248, 0.13), transparent 28%),
        radial-gradient(circle at 70% 88%, rgba(168, 85, 247, 0.11), transparent 30%),
        var(--bg);
    color: var(--text);
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    overflow-x: hidden;
}

.knowledge-page {
    width: min(1120px, calc(100% - 36px));
    min-height: 100vh;
    margin: 0 auto;
    padding: clamp(44px, 7vw, 82px) 0;
    transition: filter 260ms ease, transform 260ms ease, opacity 260ms ease;
}

.knowledge-page.is-blurred {
    filter: blur(7px);
    transform: scale(0.985);
    opacity: 0.42;
    pointer-events: none;
}

.knowledge-header {
    max-width: 760px;
    animation: pageEnter 850ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.eyebrow,
.panel-kicker {
    color: var(--accent);
    font-family: monospace;
    font-size: 0.92rem;
    font-weight: 800;
    text-transform: uppercase;
}

h1 {
    margin-top: 14px;
    font-family: monospace;
    font-size: clamp(2.7rem, 7vw, 5.8rem);
    line-height: 0.95;
    letter-spacing: 0;
}

.knowledge-header p:last-child {
    max-width: 680px;
    margin-top: 20px;
    color: var(--muted);
    font-size: clamp(1rem, 1.8vw, 1.16rem);
    line-height: 1.75;
}

.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
    margin-top: clamp(34px, 6vw, 66px);
}

.knowledge-card {
    min-height: 132px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(34, 197, 94, 0.08), transparent 42%),
        var(--panel);
    color: var(--text);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.26);
    cursor: pointer;
    font-family: monospace;
    font-size: clamp(1.05rem, 2vw, 1.38rem);
    font-weight: 800;
    line-height: 1.16;
    text-align: left;
    backdrop-filter: blur(14px);
    transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease, background 200ms ease;
    animation: cardEnter 780ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.knowledge-card:nth-child(2) { animation-delay: 70ms; }
.knowledge-card:nth-child(3) { animation-delay: 140ms; }
.knowledge-card:nth-child(4) { animation-delay: 210ms; }
.knowledge-card:nth-child(5) { animation-delay: 280ms; }
.knowledge-card:nth-child(6) { animation-delay: 350ms; }
.knowledge-card:nth-child(7) { animation-delay: 420ms; }
.knowledge-card:nth-child(8) { animation-delay: 490ms; }
.knowledge-card:nth-child(9) { animation-delay: 560ms; }

.knowledge-card:hover {
    transform: translateY(-6px);
    border-color: rgba(56, 189, 248, 0.42);
    background:
        linear-gradient(135deg, rgba(56, 189, 248, 0.12), transparent 42%),
        var(--panel-strong);
    box-shadow: 0 26px 64px rgba(0, 0, 0, 0.34);
}

.knowledge-modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    place-items: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 240ms ease;
}

.knowledge-modal.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.58);
    backdrop-filter: blur(12px);
}

.knowledge-panel {
    position: relative;
    width: min(900px, 94vw);
    min-height: min(520px, 72vh);
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: clamp(22px, 4vw, 44px);
    align-items: center;
    padding: clamp(24px, 4vw, 42px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    background: var(--panel-strong);
    box-shadow: 0 32px 90px rgba(0, 0, 0, 0.54);
    overflow: hidden;
    transform: translateY(46vh) scale(0.96);
    transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.knowledge-modal.is-visible .knowledge-panel {
    transform: translateY(0) scale(1);
}

.close-panel {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 4;
    width: 38px;
    height: 38px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    cursor: pointer;
    font-family: monospace;
    font-size: 1.3rem;
}

.close-panel:hover {
    background: rgba(255, 255, 255, 0.16);
}

.floating-logos {
    position: relative;
    min-height: 340px;
}

.floating-logos i {
    position: absolute;
    display: grid;
    place-items: center;
    color: white;
    font-size: clamp(3.8rem, 8vw, 5.8rem);
    text-shadow: 0 16px 32px rgba(0, 0, 0, 0.32);
    animation: floatLogo 4.8s ease-in-out infinite;
}

.floating-logos i:nth-child(1) {
    top: 18%;
    left: 12%;
}

.floating-logos i:nth-child(2) {
    top: 4%;
    right: 14%;
    animation-delay: 450ms;
    animation-direction: reverse;
}

.floating-logos i:nth-child(3) {
    bottom: 15%;
    left: 20%;
    animation-delay: 800ms;
}

.floating-logos i:nth-child(4) {
    right: 18%;
    bottom: 8%;
    animation-delay: 1200ms;
    animation-direction: reverse;
}

.knowledge-panel.area-devops .floating-logos {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
    align-content: center;
    justify-items: center;
}

.knowledge-panel.area-devops .floating-logos i {
    position: static;
    font-size: clamp(3.2rem, 6vw, 4.6rem);
}

.knowledge-details {
    position: relative;
    z-index: 2;
}

.knowledge-details h2 {
    margin-top: 12px;
    font-family: monospace;
    font-size: clamp(2.1rem, 5vw, 4.2rem);
    line-height: 1;
    letter-spacing: 0;
}

.panel-description {
    margin-top: 18px;
    color: #cbd5e1;
    font-size: clamp(1rem, 1.6vw, 1.12rem);
    line-height: 1.75;
}

.knowledge-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
    padding: 0;
    list-style: none;
}

.knowledge-list li {
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.7);
    color: #e2e8f0;
    font-family: monospace;
    font-size: 0.92rem;
}

@keyframes pageEnter {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

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

@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(28px) scale(0.96);
    }

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

@keyframes floatLogo {
    0%, 100% {
        translate: 0 0;
        rotate: -2deg;
    }

    50% {
        translate: 0 -18px;
        rotate: 3deg;
    }
}

@media (max-width: 760px) {
    .knowledge-grid {
        grid-template-columns: 1fr;
    }

    .knowledge-card {
        min-height: 96px;
    }

    .knowledge-panel {
        grid-template-columns: 1fr;
        min-height: auto;
        max-height: 86vh;
        overflow-y: auto;
    }

    .floating-logos {
        min-height: 170px;
    }

    .floating-logos i {
        font-size: clamp(2.8rem, 13vw, 4.3rem);
    }
}