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

:root {
    --primary-color: #4a5568;
    --secondary-color: #2d3748;
    --accent-color: #667eea;
    --text-color: #2d3748;
    --light-bg: #f7fafc;
    --surface: #ffffff;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Dark theme variables */
.dark-theme {
    --primary-color: #a0aec0;
    --secondary-color: #1f2937;
    --accent-color: #8b9cff;
    --text-color: #e5e7eb;
    --light-bg: #0f172a;
    --surface: #111827;
    --white: #0b1220;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: var(--surface);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent-color);
    letter-spacing: .3px;
}

.nav-links {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    margin-left: auto; /* push links to the right */
    align-items: center;
    padding-top: 4px; /* nudge links down slightly */
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.admin-link {
    background: var(--accent-color);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.theme-toggle {
    margin-left: .5rem;
    border: 1px solid rgba(0,0,0,0.1);
    background: transparent;
    color: var(--text-color);
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    cursor: pointer;
}

.theme-toggle:hover {
    background: var(--light-bg);
}

/* Hero Section */
.hero {
    position: relative;
    background: radial-gradient(1200px 500px at 50% -10%, var(--accent-color) 0%, transparent 70%),
                linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 6rem 0 4rem;
    text-align: left;
    overflow: hidden;
}

.hero-blur {
    position: absolute;
    inset: 0;
    background: radial-gradient(600px 200px at 30% 30%, rgba(255,255,255,0.08), transparent 60%),
                radial-gradient(600px 200px at 70% 60%, rgba(255,255,255,0.06), transparent 60%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
}

.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2rem; align-items: center; }
.hero-name {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1rem;
    font-weight: 900;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease-out;
}

.gradient-text {
    background: linear-gradient(90deg, #ff6b6b, #f7b733, #6ee7b7, #60a5fa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hello-chip { display: inline-block; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25); padding: .25rem .6rem; border-radius: 999px; margin-bottom: .75rem; font-weight: 600; }
.typed-line { font-size: 1.15rem; margin-bottom: .35rem; opacity: .9; }
.typed-cursor { margin-left: .2rem; animation: blink 1s steps(2, start) infinite; }
@keyframes blink { to { visibility: hidden; } }

.hero-bio {
    font-size: 1rem;
    opacity: 0.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-ctas { margin-top: 1.25rem; display: flex; gap: 1rem; }
.btn { display: inline-block; border-radius: 10px; padding: .8rem 1.2rem; font-weight: 700; text-decoration: none; }
.cta-primary { background: var(--accent-color); color: #fff; box-shadow: var(--shadow); }
.cta-secondary { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.25); }
.cta-primary:hover, .cta-secondary:hover { filter: brightness(1.05); transform: translateY(-1px); }

.avatar-placeholder { display: none; }

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

/* Sections */
.section {
    padding: 5rem 0;
}

.bg-light {
    background: var(--light-bg);
}

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    margin-bottom: 2rem;
    text-align: center;
    color: var(--accent-color);
    font-weight: 800;
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.skill-item {
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.06);
    padding: 1rem 1.1rem;
    border-radius: 14px;
    text-align: left;
    box-shadow: 0 8px 16px rgba(0,0,0,0.22);
    transition: transform 0.25s, box-shadow 0.25s, border-color .25s;
}

.skill-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 28px rgba(0,0,0,0.28);
}

.skills-section {
    background: radial-gradient(900px 400px at 50% 0%, rgba(99,102,241,0.12), transparent 60%), var(--white);
}

.skill-item::after {
    content: '';
    display: block;
    height: 3px;
    margin-top: .6rem;
    background: linear-gradient(90deg, rgba(255,255,255,0.15), rgba(255,255,255,0.02));
    border-radius: 999px;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,255,255,0.3));
    background: color-mix(in srgb, var(--surface) 90%, transparent);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.25s, box-shadow 0.25s, border-color .25s;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.18);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--light-bg);
    border-radius: 8px;
}

.project-content {
    padding: 1.4rem;
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.project-description {
    margin-bottom: 1rem;
    color: #666;
}

.project-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tech-tag {
    background: var(--light-bg);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.project-link {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.project-link:hover {
    color: var(--secondary-color);
}

/* Contact Section */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-email {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.contact-email a {
    color: var(--accent-color);
    text-decoration: none;
}

.social-links {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.social-button {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem .9rem;
    border-radius: 8px;
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    font-size: .95rem;
    box-shadow: var(--shadow);
    transition: transform .15s ease, filter .15s ease;
}

.social-button:hover { transform: translateY(-2px); filter: brightness(1.05); }

.social-button.disabled {
    opacity: 0.5;
    pointer-events: none;
    filter: grayscale(20%);
}

.btn-github { background: #24292e; }
.btn-linkedin { background: #0a66c2; }
.btn-youtube { background: #ff0000; }
.btn-tiktok { background: #000000; }
.btn-instagram { background: linear-gradient(45deg,#f58529,#feda77,#dd2a7b,#8134af,#515bd4); }

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-ctas { justify-content: center; }
    .hero-name {
        font-size: 2.25rem;
    }

    .hero-title {
        font-size: 1.3rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

/* Dark overrides */
.dark-theme .project-card { background: rgba(17,24,39,0.75); border-color: rgba(255,255,255,0.06); }
.dark-theme body { background: #0b1220; }