/* 
   RADS Design System: Frutiger Aero / Windows XP / Mac OS Glass
   Premium glossy aesthetic with vibrant colors and smooth animations
*/

:root {
    --primary-blue: #0078D7;
    --primary-hover: #005A9E;
    --secondary-green: #4CAF50;
    --accent-cyan: #00D9FF;
    --accent-purple: #9D4EDD;
    --accent-pink: #FF006E;
    --accent-orange: #FF8C00;
    --accent-lime: #7FFF00;
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-bg-strong: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: rgba(31, 38, 135, 0.37);
    --text-main: #1A1A1A;
    --text-muted: #555;
    --shadow-soft: 0 8px 32px 0 rgba(31, 38, 135, 0.2);
    --shadow-hover: 0 16px 56px 0 rgba(31, 38, 135, 0.35);
    --shadow-glow: 0 0 40px rgba(0, 217, 255, 0.5);
    --shadow-glow-green: 0 0 40px rgba(76, 175, 80, 0.5);
    --animation-speed: 0.6s;
}

* {
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(215deg, #E0F2FF 0%, #F5F5FF 25%, #FFFFFF 50%, #F0FFF4 75%, #E6FFFA 100%);
    background-attachment: fixed;
    color: var(--text-main);
    margin: 0;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Base Entrance Animation */
@keyframes pageFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

main {
    animation: pageFadeIn 0.8s ease-out;
}

/* Glossy Background Elements */
.bg-blur {
    position: fixed;
    z-index: -1;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.4;
}

.blur-1 {
    top: -10%;
    right: -10%;
    width: 50%;
    height: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    animation: float 20s ease-in-out infinite, pulse 8s ease-in-out infinite;
}

.blur-2 {
    bottom: -10%;
    left: -10%;
    width: 40%;
    height: 40%;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-green));
    animation: float 15s ease-in-out infinite reverse, pulse 10s ease-in-out infinite;
}

.blur-3 {
    top: 30%;
    left: 20%;
    width: 35%;
    height: 35%;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-pink));
    animation: float 18s ease-in-out infinite, pulse 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -20px) scale(1.05); }
    50% { transform: translate(-10px, 10px) scale(0.95); }
    75% { transform: translate(-20px, -10px) scale(1.02); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.6; }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* Navigation */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border-bottom: 2px solid var(--glass-border);
    padding: 0.8rem 2rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.logo-img {
    height: 42px;
    width: auto;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.logo-link:hover .logo-img {
    transform: scale(1.1);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-blue);
    background: rgba(0, 120, 215, 0.05);
}

.nav-links a.active {
    color: var(--primary-blue);
    background: rgba(0, 120, 215, 0.1);
}

/* Sections */
section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.hero-sub {
    text-align: center;
    padding: 6rem 1rem;
}

.hero-sub h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #0078D7, #00BFA5);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 2px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.glass-card:hover::before {
    left: 100%;
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover), inset 0 1px 0 rgba(255, 255, 255, 1), var(--shadow-glow);
    border-color: rgba(0, 217, 255, 0.6);
}

/* Comparison Table Refinement */
.comparison-container {
    overflow-x: auto;
    margin-top: 2rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    /* Better grid control */
    background: rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.comparison-table th,
.comparison-table td {
    padding: 1.2rem 1.5rem;
    text-align: left;
    border: 1px solid rgba(0, 0, 0, 0.05);
    /* Soft grid lines */
}

.comparison-table th {
    background: linear-gradient(135deg, #0078D7, #005A9E);
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.comparison-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.3);
    /* Zebra striping */
}

.comparison-table tbody tr:hover {
    background: rgba(0, 120, 215, 0.05);
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.2);
    width: 25%;
}

.high-light {
    color: var(--primary-blue);
    font-weight: 700;
}

/* Feature Cards */
.feature-card {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.feature-card:hover {
    transform: translateY(-6px) scale(1.02);
    background: rgba(255, 255, 255, 0.7);
    border-color: var(--accent-cyan);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15), 0 0 30px rgba(0, 217, 255, 0.3);
}

.feature-card h3 {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 1rem 0;
}

/* Comparison Cards */
.compare-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    /* Forced 3 columns on desktop */
    gap: 2rem;
}

@media (max-width: 1100px) {
    .compare-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

.code-window {
    background: #1E1E1E;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.window-header {
    background: #333;
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #AAA;
    font-size: 0.8rem;
    font-weight: 600;
}

.window-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #555;
}

.dot.red {
    background: #FF5F56;
}

.dot.yellow {
    background: #FFBD2E;
}

.dot.green {
    background: #27C93F;
}

.pre-container {
    padding: 2rem;
    margin: 0;
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
    font-size: clamp(0.75rem, 2vw, 0.95rem);
    line-height: 1.6;
    color: #D4D4D4;
}

/* CTA Buttons */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #0078D7, #00D9FF);
    color: white;
    text-decoration: none;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 6px 20px rgba(0, 120, 215, 0.4), 0 0 20px rgba(0, 217, 255, 0.3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 12px 35px rgba(0, 120, 215, 0.5), 0 0 50px rgba(0, 217, 255, 0.8);
    filter: brightness(1.15);
    border-color: rgba(255, 255, 255, 0.6);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: var(--primary-blue);
    color: white;
    box-shadow: 0 12px 35px rgba(0, 120, 215, 0.5), 0 0 50px rgba(0, 120, 215, 0.6);
}

/* Inline Code Improvements */
code {
    background: rgba(0, 0, 0, 0.05);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
}

/* Emblem Blending */
.float-img,
.footer-emblem {
    mix-blend-mode: multiply;
    /* Helps hide white background if on light bg */
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.1));
}

.window-header span {
    flex-grow: 1;
    text-align: center;
    /* Center titles */
    margin-right: 40px;
    /* Offset for symmetry with dots */
}

/* Get Started Now Box */
.install-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.05);
    padding: 2rem;
    border-radius: 16px;
}

.terminal-line {
    font-family: 'Fira Code', monospace;
    color: var(--primary-blue);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    word-break: break-all;
    max-width: 100%;
}

.copy-btn {
    background: var(--primary-blue);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* Animations & Floats */
@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-15px) rotate(3deg);
    }

    100% {
        transform: translateY(0px) rotate(0deg);
    }
}

.float-img {
    animation: float 6s ease-in-out infinite;
}

/* Footer & Icons */
footer {
    padding: 4rem 2rem;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    background: var(--glass-bg);
}

.footer-emblem {
    height: 60px;
    margin-bottom: 1.5rem;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.footer-emblem:hover {
    opacity: 1;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .nav-links {
        gap: 0.5rem;
    }

    .nav-links a {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }

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

    .glass-card {
        padding: 1.5rem;
    }
}

/* Enhanced Glass Effects */
.bg-blur.blur-4 {
    top: 50%;
    right: -5%;
    width: 30%;
    height: 30%;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-lime));
    animation: float 22s ease-in-out infinite, pulse 15s ease-in-out infinite;
}

.bg-blur.blur-5 {
    bottom: 20%;
    right: 40%;
    width: 25%;
    height: 25%;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    animation: float 25s ease-in-out infinite reverse, pulse 18s ease-in-out infinite;
}

/* Mouse-Following Spotlight */
.mouse-spotlight {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 0;
    transition: background 0.1s ease;
}

/* Timeline Enhancements */
.timeline-item {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.6), transparent);
}

.timeline-item:hover {
    transform: translateY(-4px) scale(1.01);
    border-color: rgba(0, 217, 255, 0.8);
    box-shadow: 0 12px 40px rgba(0, 217, 255, 0.2), var(--shadow-glow);
}

.current-release {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15), rgba(157, 78, 221, 0.1));
    border: 3px solid rgba(0, 217, 255, 0.6);
    box-shadow: 0 16px 48px rgba(0, 217, 255, 0.3), var(--shadow-glow);
}

.current-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #0078D7, #00D9FF);
    color: white;
    font-weight: 700;
    border-radius: 50px;
    margin-bottom: 1rem;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 217, 255, 0.5); }
    50% { box-shadow: 0 0 30px rgba(0, 217, 255, 0.8), 0 0 40px rgba(0, 217, 255, 0.4); }
}

.timeline-date {
    font-family: 'Fira Code', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 120, 215, 0.1);
    border-radius: 8px;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.feature-tag {
    background: rgba(0, 120, 215, 0.1);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    border: 1px solid rgba(0, 120, 215, 0.2);
    transition: all 0.3s ease;
}

.feature-tag:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 120, 215, 0.3);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent);
    pointer-events: none;
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.05);
    border-color: var(--accent-cyan);
    box-shadow: 0 16px 48px rgba(0, 217, 255, 0.3), var(--shadow-glow);
}

.stat-card:hover::before {
    opacity: 0.6;
}

/* Enhanced Hover Effects */
.glass-card.enhanced-glow:hover {
    box-shadow: 
        var(--shadow-hover), 
        inset 0 1px 0 rgba(255, 255, 255, 1), 
        var(--shadow-glow),
        0 0 60px rgba(0, 217, 255, 0.4);
    border-color: rgba(0, 217, 255, 0.8);
}

/* Centering Improvements */
section[id="stats"],
section[id="download"] {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Animated Code Window */
.code-window.animated {
    animation: codeWindowFloat 8s ease-in-out infinite;
}

@keyframes codeWindowFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-8px) rotate(0.5deg); }
    50% { transform: translateY(0) rotate(0deg); }
    75% { transform: translateY(-8px) rotate(-0.5deg); }
}

/* Button Shimmer */
.cta-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}