:root {
    --primary-color: #0f172a;
    --accent-color: #3b82f6;
    --text-color: #1e293b;
    --bg-color: #f8fafc;
    --secondary-bg: rgba(255, 255, 255, 0.4);
    --border-color: rgba(226, 232, 240, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glow-color: rgba(59, 130, 246, 0.2);
}

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(at 0% 0%, hsla(214, 100%, 94%, 1) 0, transparent 50%),
        radial-gradient(at 50% 0%, hsla(217, 100%, 92%, 1) 0, transparent 50%),
        radial-gradient(at 100% 0%, hsla(220, 100%, 95%, 1) 0, transparent 50%);
    background-attachment: fixed;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 100;
}

.container {
    width: 100%;
    padding: 0 4rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

header {
    position: fixed;
    top: 1.5rem;
    left: 4rem;
    right: 4rem;
    z-index: 1000;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    margin-bottom: 4rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo span {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
}

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 18rem 0;
}

.hero-content {
    max-width: 900px;
}

.hero-content h1 {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.05em;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.hero-content h1 span {
    background: linear-gradient(to right, #3b82f6, #2563eb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.5rem;
    font-weight: 500;
    color: #64748b;
    margin: 0 auto 3.5rem;
    max-width: 700px;
    letter-spacing: -0.01em;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    background: var(--primary-color);
    color: white;
    padding: 1.25rem 3rem;
    border-radius: 1.25rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.125rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-button:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 25px -5px var(--glow-color);
    background: #000;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.features {
    padding: 10rem 0;
    background-color: var(--secondary-bg);
    backdrop-filter: blur(10px);
}

.section-title {
    text-align: center;
    margin-bottom: 6rem;
}

.section-title h2 {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.6);
    padding: 4rem 3rem;
    border-radius: 2.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-12px);
    background: #fff;
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
}

.feature-card h3 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
    color: var(--primary-color);
}

.feature-card p {
    font-size: 1.125rem;
    color: #64748b;
    font-weight: 500;
}

.download-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6rem 0;
    margin-top: 100px;
}

.download-card {
    background: var(--glass-bg);
    padding: 6rem;
    border-radius: 4rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 800px;
    width: 100%;
    backdrop-filter: blur(24px);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.download-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 50px 120px -20px rgba(0, 0, 0, 0.15);
}

.download-card h2 {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    background: var(--primary-color);
    color: white;
    padding: 1.5rem 2rem;
    border-radius: 1.5rem;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.25rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.download-btn.btn-windows {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--border-color);
}

.download-btn.btn-windows:hover {
    background: rgba(0, 0, 0, 0.02);
    box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.05);
}

.download-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 30px 40px -10px var(--glow-color);
}

.blob {
    position: fixed;
    top: -100px;
    left: -100px;
    width: 600px;
    height: 600px;
    background: rgba(59, 130, 246, 0.1);
    filter: blur(80px);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
    animation: pulse 10s infinite alternate;
}

@keyframes pulse {
    from {
        opacity: 0.5;
        transform: scale(1);
    }

    to {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.hero-content {
    animation: fadeIn 1s ease-out;
}

.security-viz {
    padding: 10rem 0;
    overflow: hidden;
}

.viz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    margin-top: 4rem;
}

.viz-item {
    background: var(--glass-bg);
    padding: 3rem;
    border-radius: 2.5rem;
    border: 1px solid var(--border-color);
    text-align: center;
    backdrop-filter: blur(12px);
    transition: all 0.4s ease;
}

.viz-item:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
}

.viz-svg {
    width: 100%;
    height: 140px;
    margin-bottom: 2rem;
}

.viz-item h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.viz-item p {
    color: #64748b;
    font-size: 1rem;
}

.animate-stream {
    stroke-dasharray: 60 140;
    animation: stream-flow 2s linear infinite;
}

@keyframes stream-flow {
    0% {
        stroke-dashoffset: 200;
    }

    100% {
        stroke-dashoffset: 0;
    }
}

.animate-dissolve {
    transform-origin: center;
    animation: dissolve-data 3s ease-in-out infinite;
}

@keyframes dissolve-data {

    0%,
    15% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }

    40%,
    80% {
        opacity: 0;
        transform: scale(0.95) translateY(-4px);
    }

    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

footer {
    padding: 8rem 0 3rem;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
    overflow: hidden;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.footer-title {
    font-size: clamp(3rem, 11vw, 12rem);
    font-weight: 900;
    letter-spacing: -0.06em;
    line-height: 0.85;
    color: var(--primary-color);
    margin-bottom: 3rem;
    white-space: nowrap;
    position: relative;
    cursor: help;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.footer-title:hover {
    color: transparent;
    text-shadow: none;
}

.footer-title::after {
    content: "OR DON'T, WE DON'T CARE";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: var(--primary-color);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
    font-size: clamp(2rem, 8vw, 8rem);
    width: 100%;
}

.footer-title:hover::after {
    opacity: 1;
}

.footer-bottom {
    color: #94a3b8;
    font-size: 0.875rem;
    font-weight: 500;
}

@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 4rem 0;
    }

    .hero-content h1 {
        font-size: 4rem;
    }

    .hero-content p {
        margin: 0 auto 2.5rem;
    }

    .download-card {
        padding: 4rem 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    header {
        left: 1.5rem;
        right: 1.5rem;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .section-title h2 {
        font-size: 2.5rem;
    }

    .feature-card {
        padding: 2rem;
    }

    .download-card {
        padding: 3rem 1.5rem;
        border-radius: 2rem;
    }

    .download-card h2 {
        font-size: 2.5rem;
        margin-bottom: 2rem;
    }

    .download-btn {
        padding: 1.25rem 1.5rem;
        font-size: 1.1rem;
    }

    footer {
        padding: 4rem 0 2rem;
        margin-top: 2rem;
    }

    .footer-title {
        font-size: clamp(2.5rem, 15vw, 6rem);
    }

    .footer-title::after {
        font-size: clamp(1.5rem, 8vw, 4rem);
    }
}

@media (max-width: 480px) {
    header {
        left: 1rem;
        right: 1rem;
        top: 1rem;
        padding: 0.5rem 1rem;
        height: 60px;
    }

    .hero {
        padding: 18rem 0 4rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
        margin-top: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .logo {
        gap: 0.5rem;
    }

    .download-btn {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        padding: 1rem;
        font-size: 1rem;
    }

    .footer-title {
        font-size: clamp(2rem, 11vw, 3.5rem);
    }

    .footer-title::after {
        font-size: clamp(1.2rem, 8vw, 2.5rem);
        white-space: normal;
    }
}