@import url('https://api.fontshare.com/v2/css?f[]=satoshi@1,2&display=swap');

:root {
    --bg-color: #ffffff;
    --text-color: #0c0c0c;
    --accent-color: #000000;
    --secondary-color: #666666;
    --glass-bg: rgba(0, 0, 0, 0.03);
    --glass-border: rgba(0, 0, 0, 0.1);
    --font-main: 'Satoshi', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

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

/* Typography */
h1,
h2,
h3,
.premium-title {
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.1;
    color: var(--text-color);
}

.text-gradient {
    /* Subtle dark gradient for light theme */
    background: linear-gradient(180deg, #000000 0%, #444444 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 120px 0;
}

/* Glassmorphism for Light Theme */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 5px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 1000;
    padding: 0 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.logo {
    font-weight: 900;
    font-size: 24px;
    text-decoration: none;
    color: var(--text-color);
    letter-spacing: -2px;
}

nav a {
    text-decoration: none;
    color: var(--secondary-color);
    margin-left: 30px;
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition-smooth);
}

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

/* Buttons (No Movement) */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 15px;
}

.btn-primary {
    background: var(--text-color);
    color: var(--bg-color);
}

.btn-primary:hover {
    background: #333333;
    /* No translateY movement */
}

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

.btn-glass:hover {
    background: rgba(0, 0, 0, 0.1);
}

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

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

.reveal {
    animation: reveal 1s var(--transition-smooth) forwards;
}

/* SEO Friendly Hidden elements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Bio Toggles (Tabs) */
details {
    margin-bottom: 20px;
    border: 1px solid var(--glass-border);
    border-radius: 5px;
    background: #fff;
    overflow: hidden;
    transition: var(--transition-smooth);
}

summary {
    padding: 24px 32px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    background: #fafafa;
    border-radius: 5px;
    position: relative;
    display: block;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    position: absolute;
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    font-weight: 300;
    transition: transform 0.3s ease;
}

details[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

details[open] {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.03);
}

.details-content {
    padding: 32px;
    font-size: 16px;
    color: #444;
    line-height: 1.8;
    border-top: 1px solid var(--glass-border);
}

/* Video Responsive Container */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 5px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.08);
    transform: translateZ(0);
    /* Forces Safari webkit clipping */
    -webkit-mask-image: -webkit-radial-gradient(white, black);
    mask-image: radial-gradient(white, black);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Footer */
footer {
    padding: 80px 0 40px 0;
    border-top: 1px solid var(--glass-border);
    color: var(--secondary-color);
    background: #f9f9f9;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px !important;
    }

    header, nav.navbar {
        width: 100% !important;
        padding: 10px 20px !important;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
    
    main {
        padding-top: 90px !important;
        padding-bottom: 40px !important;
    }
}