/* Global Vars - Apple Style */
:root {
    --bg-dark: #000000;
    --text-primary: #f5f5f7;
    --text-secondary: #86868b;
    --accent: #2997ff;
    /* Apple Blue */
    --surface: rgba(22, 22, 23, 0.8);
    --surface-hover: rgba(40, 40, 45, 0.8);
    --border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Typography Tweaks */
h1,
h2,
h3,
h4,
h5,
h6 {
    letter-spacing: -0.02em;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Aurora Background Animation */
.aurora-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: #000;
}

.aurora-blob {
    position: absolute;
    filter: blur(80px);
    opacity: 0.4;
    animation: drift 20s infinite alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, #2563eb 0%, transparent 70%);
    animation-delay: 0s;
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, #7e22ce 0%, transparent 70%);
    animation-delay: -5s;
}

.blob-3 {
    top: 40%;
    left: 40%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, #0e7490 0%, transparent 70%);
    animation-delay: -10s;
}

@keyframes drift {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(20px, 40px) scale(1.1);
    }
}

/* Glassmorphism & Bento Grid */
.bento-grid {
    display: grid;
    gap: 24px;
}

.glass-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    /* More rounded */
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    position: relative;
    overflow: hidden;
}

.glass-card:hover {
    transform: scale(1.02);
    background: var(--surface-hover);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Navbar */
nav.glass {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Featured Text Gradient */
.text-gradient {
    background: linear-gradient(135deg, #fff 0%, #86868b 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease-out forwards;
    opacity: 0;
}

.animate-slide-up {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

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

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

/* Utility */
.container {
    max-width: 1024px;
    /* Apple uses tighter containers often */
}

/* Button Reset */
.btn-apple {
    background: #fff;
    color: #000;
    border-radius: 9999px;
    padding: 12px 28px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-apple:hover {
    background: #f5f5f7;
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.btn-apple-outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 9999px;
    padding: 12px 28px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-apple-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
}