/* Premium UI/UX Styles - Apple/Meta Aesthetic */

:root {
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --primary-orange: #FF6B00;
    --primary-gradient: linear-gradient(135deg, #FF6B00 0%, #FF8534 100%);
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --bg-gradient: linear-gradient(180deg, #FFFFFF 0%, #FFF7ED 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.glass-nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

/* Typography Overrides for Premium Feel */
h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.02em;
    color: #111827;
}

.prose h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #111827, #4B5563);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.prose h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: #111827;
}

.prose h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.prose p {
    color: #4B5563;
    line-height: 1.75;
    margin-bottom: 1.25rem;
}

.prose ul {
    list-style-type: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.prose li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #4B5563;
}

.prose li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-orange);
    font-weight: bold;
}

.prose blockquote {
    border-left: 4px solid var(--primary-orange);
    padding-left: 1rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: #4B5563;
    background: rgba(255, 107, 0, 0.03);
    padding: 1rem;
    border-radius: 0 8px 8px 0;
}

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

.animate-entry {
    animation: fade-in-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* Gradient Text */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Button Styles */
.btn-premium {
    background: #000;
    color: white;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-premium:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Navigation Link Styles */
.nav-link-premium {
    position: relative;
    color: #4B5563;
    transition: color 0.2s;
}

.nav-link-premium:hover {
    color: var(--primary-orange);
}

.nav-link-premium.active {
    color: var(--primary-orange);
    font-weight: 500;
}

.nav-link-premium::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-orange);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav-link-premium:hover::after,
.nav-link-premium.active::after {
    transform: scaleX(1);
    transform-origin: left;
}