:root {
    /* SukiUI Blue Base Colors */
    --primary-blue: #2f73f6;
    --primary-blue-hover: #1b5edc;
    --primary-blue-glow: rgba(47, 115, 246, 0.4);

    /* Dark Theme Surface Colors */
    --bg-base: #101215;
    --bg-surface: #1e2025;
    --bg-glass: rgba(30, 32, 37, 0.6);
    --border-glass: rgba(255, 255, 255, 0.08);

    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;

    /* Layout */
    --container-max-width: 1200px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Typography */
    --font-family: "Inter", system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

::selection {
    background-color: var(--primary-blue);
    color: white;
}

/* Background Animated Blobs */
.blob {
    position: absolute;
    filter: blur(120px);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.5;
    animation: float 10s ease-in-out infinite alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(
        circle,
        var(--primary-blue) 0%,
        transparent 60%
    );
}

.blob-2 {
    bottom: 20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(
        circle,
        rgba(94, 28, 230, 0.4) 0%,
        transparent 60%
    );
    animation-delay: -5s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(50px, 30px) scale(1.1);
    }
}

/* Typography elements */
h1,
h2,
h3 {
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, #4da3ff, var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Utilities */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center {
    text-align: center;
}

/* Section spacing */
.section-block {
    margin-bottom: 2rem;
}

/* Indent paragraph and list content after titles */
.section-block p,
.section-block ul {
    padding-left: 1.5rem;
}

/* Glassmorphism */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-glass);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(16, 18, 21, 0.85);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon {
    color: var(--primary-blue);
    font-size: 1.5rem;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: white;
    box-shadow: 0 4px 14px var(--primary-blue-glow);
}

.btn-primary:hover {
    background-color: var(--primary-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(47, 115, 246, 0.6);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    padding-top: 80px;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 550px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: fadeUp 0.8s ease-out;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    animation: fadeUp 1s ease-out;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    animation: fadeUp 1.2s ease-out;
}

.hero-image {
    flex: 1;
    border-radius: var(--radius-xl);
    padding: 0.5rem;
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeRotate 1.5s ease-out;
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.glass-image {
    width: 100%;
    border-radius: var(--radius-lg);
    display: block;
}

/* Features Section */
.features-section {
    padding: 6rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    transition:
        transform 0.3s ease,
        background 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(40, 44, 52, 0.8);
    border-color: rgba(255, 255, 255, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(47, 115, 246, 0.1);
    color: var(--primary-blue);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* Tutorials Section */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.video-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition:
        transform 0.3s ease,
        background 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    background: rgba(40, 44, 52, 0.8);
    border-color: rgba(255, 255, 255, 0.15);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    padding: 1.5rem;
}

.video-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.video-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Download Section */
.download-section {
    padding: 6rem 0;
    position: relative;
}

.download-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.download-card {
    padding: 3rem 2rem;
    border-radius: var(--radius-xl);
    max-width: 450px;
    width: 100%;
    flex: 1 1 350px;
    transition: transform 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
}

.hero-icon {
    font-size: 4rem;
    color: #00a4ef; /* Windows Blue */
    margin-bottom: 1.5rem;
}

.dl-buttons {
    margin-top: 2rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-glass);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
}

.footer-links {
    margin: 8px 0;
    text-align: center;
}

.footer-links a {
    color: var(--text-muted, #94a3b8);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent, #3b82f6);
    text-decoration: underline;
}

.separator {
    color: var(--text-muted, #475569);
    margin: 0 8px;
    font-size: 0.85rem;
}


.social-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--text-primary);
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeRotate {
    from {
        opacity: 0;
        transform: perspective(1000px) rotateY(-15deg) rotateX(10deg)
            translateY(40px);
    }
    to {
        opacity: 1;
        transform: perspective(1000px) rotateY(-5deg) rotateX(2deg)
            translateY(0);
    }
}

/* Responsiveness */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding-top: 120px;
    }

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

    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        transform: none;
    }

    .hero-image:hover {
        transform: none;
    }
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

/* Privacy Policy specific styles */
.policy-meta {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    margin-bottom: 2rem;
}

.policy-content h4 {
    font-size: 1.1rem;
    margin: 1.5rem 0 0.5rem 0;
    color: var(--text-primary);
}

.policy-content h4:first-of-type {
    margin-top: 1rem;
}

.policy-content a {
    color: var(--primary-blue);
    text-decoration: underline;
}

.policy-content a:hover {
    color: var(--primary-blue-hover);
}

.policy-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 1rem 0 1.5rem 0;
    font-size: 0.9rem;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.policy-table th {
    background-color: rgba(255, 255, 255, 0.07);
    color: var(--text-primary);
    font-weight: 600;
    padding: 0.9rem 1rem;
    text-align: left;
    border: none;
    letter-spacing: 0.02em;
}

.policy-table td {
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

.policy-table tbody tr:last-child td {
    border-bottom: none;
}

.policy-table tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.02);
}

.policy-table tbody tr:hover {
    background-color: rgba(47, 115, 246, 0.06);
}

.policy-table tbody tr:hover td {
    color: var(--text-primary);
}

.policy-table code {
    background-color: rgba(140, 180, 248, 0.15);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-size: 0.82rem;
    color: #8cb4f8;
    font-weight: 500;
}

.policy-content strong {
    color: var(--text-primary);
}