:root {
    --bg-color: #0A0A0A;
    --surface-color: rgba(20, 20, 20, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #EAEAEA;
    --text-secondary: #888888;
    --accent-tech: #00FFFF;
    --accent-tech-rgb: 0, 255, 255;
    --accent-athlete: #FF4500;

    --font-primary: 'Inter', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

@font-face {
    font-family: 'Inter';
    src: url('fonts/Inter-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('fonts/Inter-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('fonts/Inter-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Roboto Mono';
    src: url('fonts/RobotoMono-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 8px 2px rgba(var(--accent-tech-rgb), 0.2), 0 0 0 2px transparent; }
    50% { box-shadow: 0 0 16px 4px rgba(var(--accent-tech-rgb), 0.4), 0 0 0 2px var(--accent-tech); }
    100% { box-shadow: 0 0 8px 2px rgba(var(--accent-tech-rgb), 0.2), 0 0 0 2px transparent; }
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100dvh;
    padding: 20px;
    box-sizing: border-box;
}

.container {
    max-width: 600px;
    width: 90%;
    margin: 20px auto;
    text-align: center;
}

.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 20px;
    object-fit: cover;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    animation: pulse-glow 4s infinite ease-in-out;
    border: 2px solid var(--border-color);
}

.profile-img:hover {
    transform: scale(1.05);
    animation: none;
    box-shadow: 0 0 25px 5px rgba(var(--accent-tech-rgb), 0.5), 0 0 0 2px var(--accent-tech);
}

h1 {
    color: var(--text-primary);
    margin-bottom: 5px;
    font-weight: 700;
    font-size: 2.5rem;
}

.subtitle {
    font-size: 1.2rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.location {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    display: block;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.link-card {
    background-color: var(--surface-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px 20px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    position: relative;
    overflow: hidden;
    text-align: center;
}

/* === Dual-Feel Hover States === */

/* 1. Professional / Technical Hover */
.professional-section .link-card, .tech-card {
    transition: background-color 0.3s ease;
}
.professional-section .link-card:hover, .tech-card:hover {
    background-color: rgba(255, 255, 255, 0.05);
}
.professional-section .link-card::before, .tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--accent-tech);
    transition: left 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.professional-section .link-card:hover::before, .tech-card:hover::before {
    left: 0;
}

/* 2. Athletic / Dynamic Hover */
.athletic-section .link-card, .athlete-card {
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.2s ease;
}
.athletic-section .link-card:hover, .athlete-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-athlete);
}

.section-title {
    margin-top: 40px;
    margin-bottom: 15px;
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

@media (max-width: 640px) {
    .links-grid {
        grid-template-columns: 1fr;
    }
    h1 {
        font-size: 2rem;
    }
    .subtitle {
        font-size: 1rem;
    }
}