:root {
    --color-bg: #050505;
    --color-surface: #161616;
    --color-surface-hover: #222222;
    --color-text-main: #FFFFFF;
    --color-text-muted: #A0A0A0;
    --color-accent: #FF6B00;
    --color-accent-hover: #FF8533;

    --radius-btn: 14px;
    --radius-card: 24px;

    --font-brand: 'MuseoModerno', display;
    --font-body: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background-image: radial-gradient(circle at 50% -10%, #1a0f00 0%, #050505 50%);
}

.container {
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    animation: fadeIn 0.6s cubic-bezier(0.83, 0, 0.17, 1);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    gap: 12px;
}

.brand-text {
    font-family: var(--font-brand);
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -1px;
    color: var(--color-text-main);
    position: relative;
    line-height: 1;
}

.brand-text::after {
    content: '.';
    color: var(--color-accent);
}

.profile-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
    margin-bottom: 10px;
}

.avatar {
    width: 90px;
    height: 90px;
    border-radius: 30%;
    background-color: var(--color-surface);
    border: 2px solid var(--color-surface-hover);
    padding: 4px;
    object-fit: cover;
    margin-bottom: 4px;
}

.tagline {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    font-weight: 300;
}

.btn-group {
    display: flex;
    gap: 12px;
    width: 100%;
    justify-content: center;
    margin-top: 12px;
    flex-wrap: wrap;
}

.btn {
    border: none;
    outline: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 14px 28px;
    border-radius: var(--radius-btn);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.6s cubic-bezier(0.83, 0, 0.17, 1), background-color 0.2s ease, box-shadow 0.6s cubic-bezier(0.83, 0, 0.17, 1);
    will-change: transform;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: scale(1.04);
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.3);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text-main);
    border: 1px solid #333;
}

.btn-secondary:hover {
    background-color: var(--color-surface-hover);
    border-color: #555;
    transform: scale(1.04);
}

.btn:active {
    transform: scale(0.98);
}

.link-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.card-link {
    background-color: var(--color-surface);
    border-radius: var(--radius-card);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    text-decoration: none;
    color: var(--color-text-main);
    border: 1px solid transparent;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.card-link:hover {
    background-color: var(--color-surface-hover);
    border-color: #333;
    transform: scale(1.01);
}

.card-icon {
    font-size: 28px;
    color: var(--color-text-main);
}

.card-link:hover .card-icon {
    color: var(--color-accent);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: auto;
}

.card-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.full-width {
    grid-column: span 2;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

footer {
    margin-top: 40px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    opacity: 0.4;
    padding-bottom: 20px;
}

@media (max-width: 550px) {
    body {
        align-items: flex-start;
        padding: 40px 16px;
    }

    .brand-text {
        font-size: 2rem;
    }

    .link-grid {
        grid-template-columns: 1fr;
    }

    .full-width {
        grid-column: span 1;
    }

    .btn {
        flex: 1;
        padding: 16px 20px;
    }
}