* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0d1117;
    --secondary-color: #10171f;
    --surface-color: rgba(26, 26, 26, 0.7);
    --accent-color: #6BA3D0;
    --accent-light: #7FB3E0;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0d1117 0%, #10171f 50%, #0a0e16 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Profile Section */
.profile-section {
    text-align: center;
    padding: 48px 20px 32px;
    animation: slideInDown 0.8s ease;
}

.username {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--accent-light), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bio {
    font-size: 1.1em;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.intro {
    max-width: 520px;
    margin: 14px auto 0;
    color: var(--text-primary);
    font-size: 1em;
}

/* PC Specs Section */
.specs-section {
    background: var(--surface-color);
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius);
    padding: 30px;
    margin: 22px 0 0;
    backdrop-filter: blur(10px);
    animation: slideInUp 0.8s ease 0.45s both;
}

.specs-section h2 {
    font-size: 1.8em;
    margin-bottom: 20px;
    color: var(--accent-light);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 36px;
}

.spec-category h3 {
    font-size: 1em;
    color: var(--accent-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(107, 163, 208, 0.25);
}

.spec-category ul {
    list-style: none;
}

.spec-category li {
    padding: 7px 0;
    font-size: 0.95em;
    color: var(--text-secondary);
    border-left: 2px solid transparent;
    padding-left: 10px;
    transition: var(--transition);
}

.spec-category li:hover {
    border-left-color: var(--accent-color);
    color: var(--text-primary);
    padding-left: 15px;
}

/* Links Section */
.links-section {
    display: grid;
    gap: 24px;
    animation: slideInUp 0.8s ease 0.2s both;
}

.link-category {
    margin-bottom: 0;
}

.link-category h3 {
    font-size: 1.3em;
    margin-bottom: 15px;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.button-group {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.link-button {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 16px 20px;
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius);
    background: var(--surface-color);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.link-button:hover {
    border-color: var(--accent-light);
    background: rgba(107, 163, 208, 0.15);
    box-shadow: 0 0 20px rgba(107, 163, 208, 0.4);
    transform: translateY(-2px);
}

.link-button:focus-visible {
    outline: 3px solid rgba(127, 179, 224, 0.55);
    outline-offset: 3px;
}

.link-button i {
    font-size: 1.4em;
    min-width: 1.4em;
    display: flex;
    align-items: center;
    justify-content: center;
}

.link-button .text {
    flex: 1;
    text-align: left;
}

/* Footer */
.footer {
    text-align: center;
    padding-top: 20px;
    margin-top: 40px;
    border-top: 1px solid var(--accent-color);
    font-size: 0.9em;
    color: var(--text-secondary);
    animation: fadeIn 1s ease 0.8s both;
}

/* Animations */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .profile-section {
        padding: 36px 15px 24px;
    }

    .specs-grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .username {
        font-size: 2em;
    }

    .specs-section {
        padding: 20px;
    }

    .container {
        padding: 15px;
    }

    .button-group {
        grid-template-columns: 1fr;
    }

    .link-button {
        padding: 14px 16px;
        font-size: 0.95em;
    }
}

@media (max-width: 480px) {
    .username {
        font-size: 1.8em;
    }

    .bio {
        font-size: 1em;
    }

    .intro {
        font-size: 0.95em;
    }

    .specs-section h2 {
        font-size: 1.4em;
    }

    .spec-category h3 {
        font-size: 1em;
    }

    .spec-category li {
        font-size: 0.9em;
    }

    .link-category h3 {
        font-size: 1.1em;
    }

    .link-button {
        padding: 12px 14px;
        font-size: 0.9em;
    }

}