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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #000;
    color: #e2e8f0;
    overflow-x: hidden;
}

/* Premium Glass Effect */
.glass-premium {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

/* Animated Gradient Background */
.animated-gradient {
    background: linear-gradient(-45deg, #000000, #0a0a1a, #0d1117, #020817);
    background-size: 400% 400%;
    animation: gradient-shift 20s ease infinite;
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Premium Button with Shine */
.btn-premium {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 10px 40px -10px rgba(37, 99, 235, 0.5);
}

.btn-premium::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 0.6s;
}

.btn-premium:hover::before {
    left: 100%;
}

.btn-premium:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 20px 60px -10px rgba(37, 99, 235, 0.6);
}

/* Spring Animation Keyframes */
@keyframes spring-up {
    0% {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }

    60% {
        transform: translateY(-8px) scale(1.02);
    }

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

.spring-up {
    animation: spring-up 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Floating Animation */
@keyframes float {

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

    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

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

/* Magnetic Card Effect */
.magnetic-card {
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
}

.magnetic-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 60px -15px rgba(37, 99, 235, 0.3);
}

/* Text Gradient */
.text-gradient {
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-blue {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glow Effect */
.glow-blue {
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.4),
        0 0 80px rgba(59, 130, 246, 0.2);
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.bento-item-large {
    grid-column: span 2;
    grid-row: span 2;
}

.bento-item-wide {
    grid-column: span 2;
}

.bento-item-full {
    grid-column: span 4;
}

.bento-item-tall {
    grid-row: span 2;
}

@media (max-width: 768px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }

    .bento-item-large,
    .bento-item-wide,
    .bento-item-full,
    .bento-item-tall {
        grid-column: span 1;
        grid-row: span 1;
    }
}

/* Subtle Texture */
.texture-overlay {
    position: relative;
}

.texture-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
    opacity: 0.3;
}

/* Smooth Accordion */
details summary {
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

details[open] summary {
    margin-bottom: 1rem;
}

/* Reveal on Scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Navigation Blur */
nav {
    transition: all 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #0a0a0a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #2563eb, #1d4ed8);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #3b82f6, #2563eb);
}

/* Logo Styling */
.logo-img {
    mix-blend-mode: screen;
    filter: invert(1);
    transition: all 0.3s ease;
}

.logo-img:hover {
    filter: invert(1) drop-shadow(0 0 8px rgba(59, 130, 246, 0.8));
}

/* Screen Reader Only - for accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}