/* === CSS Custom Properties === */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #222240;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --accent-1: #7c3aed;
    --accent-2: #06b6d4;
    --accent-3: #f59e0b;
    --accent-4: #ef4444;
    --accent-5: #10b981;
    --gradient-1: linear-gradient(135deg, #7c3aed, #06b6d4);
    --gradient-2: linear-gradient(135deg, #f59e0b, #ef4444);
    --gradient-3: linear-gradient(135deg, #06b6d4, #10b981);
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

::selection {
    background: var(--accent-1);
    color: white;
}

/* === Animated Background === */
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(rgba(124, 58, 237, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 58, 237, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.floating-shapes {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s ease-in-out infinite;
}

.shape-1 { width: 400px; height: 400px; background: var(--accent-1); top: 10%; left: 10%; animation-delay: 0s; }
.shape-2 { width: 350px; height: 350px; background: var(--accent-2); top: 60%; right: 10%; animation-delay: -4s; }
.shape-3 { width: 300px; height: 300px; background: var(--accent-3); top: 40%; left: 50%; animation-delay: -8s; }
.shape-4 { width: 250px; height: 250px; background: var(--accent-4); bottom: 10%; left: 20%; animation-delay: -12s; }
.shape-5 { width: 200px; height: 200px; background: var(--accent-5); top: 5%; right: 30%; animation-delay: -16s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.02); }
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 40px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(124, 58, 237, 0.15);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 40px;
    background: rgba(10, 10, 15, 0.95);
    border-bottom-color: rgba(124, 58, 237, 0.3);
}

.nav-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--gradient-1) !important;
    -webkit-text-fill-color: white !important;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    transition: var(--transition);
}

.mobile-menu a:hover {
    color: var(--accent-1);
}

/* === Hero Section === */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    padding: 120px 60px 80px;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-content {
    animation: slideUp 0.8s ease-out;
}

.hero-badge {
    display: inline-block;
    background: rgba(124, 58, 237, 0.15);
    color: var(--accent-1);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(124, 58, 237, 0.3);
}

.hero-greeting {
    display: block;
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 8px;
}

.hero-name {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.6;
}

.highlight {
    color: var(--accent-2);
    font-weight: 600;
}

.hero-tagline {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(124, 58, 237, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(124, 58, 237, 0.4);
}

.btn-secondary:hover {
    background: rgba(124, 58, 237, 0.1);
    border-color: var(--accent-1);
    transform: translateY(-2px);
}

/* Code Window */
.hero-visual {
    animation: slideUp 0.8s ease-out 0.2s both;
}

.code-window {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid rgba(124, 58, 237, 0.2);
    overflow: hidden;
    box-shadow: var(--shadow), 0 0 60px rgba(124, 58, 237, 0.1);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(124, 58, 237, 0.08);
    border-bottom: 1px solid rgba(124, 58, 237, 0.15);
}

.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.code-title {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: 'Space Grotesk', monospace;
}

.code-body {
    padding: 20px 24px;
    overflow-x: auto;
}

.code-body pre {
    margin: 0;
    font-family: 'Space Grotesk', 'Fira Code', monospace;
    font-size: 0.88rem;
    line-height: 1.8;
}

.code-keyword { color: var(--accent-1); }
.code-class { color: var(--accent-2); }
.code-func { color: var(--accent-3); }
.code-string { color: var(--accent-5); }

/* === Sections === */
.section {
    position: relative;
    z-index: 1;
    padding: 100px 40px;
}

.section-alt {
    background: rgba(124, 58, 237, 0.03);
}

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

.section-header {
    margin-bottom: 60px;
}

.section-number {
    display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-1);
    background: rgba(124, 58, 237, 0.1);
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 16px;
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 8px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* === About Section === */
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    align-items: start;
}

.about-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 40px;
    border: 1px solid rgba(124, 58, 237, 0.1);
}

.about-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.about-main p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-main p:last-child { margin-bottom: 0; }

.about-main strong { color: var(--accent-2); }
.about-main em { color: var(--accent-3); font-style: normal; }

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

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    border: 1px solid rgba(124, 58, 237, 0.1);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: rgba(124, 58, 237, 0.3);
    transform: translateY(-2px);
}

.stat-number {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* === Timeline / Experience === */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-1), var(--accent-2), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-marker {
    position: absolute;
    left: -33px;
    top: 4px;
    width: 20px;
    height: 20px;
    background: var(--accent-2);
    border-radius: 50%;
    border: 4px solid var(--bg-secondary);
    z-index: 2;
}

.timeline-item.current .timeline-marker {
    background: var(--accent-1);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.3);
}

.pulse {
    display: none;
}

.timeline-content {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid rgba(124, 58, 237, 0.1);
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: rgba(124, 58, 237, 0.25);
}

.timeline-header h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.timeline-org {
    display: block;
    color: var(--accent-2);
    font-weight: 600;
    font-size: 1rem;
}

.timeline-location {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.timeline-date {
    display: inline-block;
    color: var(--accent-1);
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(124, 58, 237, 0.1);
    padding: 4px 12px;
    border-radius: 50px;
    margin: 12px 0 16px;
}

.timeline-details {
    list-style: none;
    padding: 0;
}

.timeline-details li {
    color: var(--text-secondary);
    padding: 6px 0 6px 24px;
    position: relative;
    font-size: 0.95rem;
    line-height: 1.6;
}

.timeline-details li::before {
    content: '▸';
    position: absolute;
    left: 4px;
    color: var(--accent-2);
    font-weight: bold;
}

/* === Skills === */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.skill-category {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid rgba(124, 58, 237, 0.1);
    transition: var(--transition);
}

.skill-category:hover {
    border-color: rgba(124, 58, 237, 0.3);
    transform: translateY(-2px);
}

.skill-cat-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.skill-category h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    background: rgba(124, 58, 237, 0.08);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px solid rgba(124, 58, 237, 0.15);
    transition: var(--transition);
}

.skill-tag:hover {
    background: rgba(124, 58, 237, 0.2);
    color: var(--text-primary);
    border-color: rgba(124, 58, 237, 0.4);
}

/* === Education === */
.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.edu-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 36px;
    border: 1px solid rgba(124, 58, 237, 0.1);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.edu-card:hover {
    border-color: rgba(124, 58, 237, 0.3);
    transform: translateY(-2px);
}

.edu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
}

.edu-degree {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.edu-school {
    color: var(--accent-2);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 4px;
}

.edu-location {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.edu-date {
    display: inline-block;
    color: var(--accent-3);
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(245, 158, 11, 0.1);
    padding: 4px 12px;
    border-radius: 50px;
    margin-top: 12px;
}

.edu-icon {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 2.5rem;
    opacity: 0.6;
}

/* === Family === */
.family-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.family-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid rgba(124, 58, 237, 0.1);
    transition: var(--transition);
}

.family-card:hover {
    border-color: rgba(124, 58, 237, 0.3);
    transform: translateY(-2px);
}

.family-emoji {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.family-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.family-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.family-main {
    grid-column: span 1;
}

.family-hobby {
    border-color: rgba(6, 182, 212, 0.15);
}

.family-hobby:hover {
    border-color: rgba(6, 182, 212, 0.4);
}

/* === Contact === */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.contact-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    border: 1px solid rgba(124, 58, 237, 0.1);
    transition: var(--transition);
}

.contact-card:hover {
    border-color: rgba(124, 58, 237, 0.3);
    transform: translateY(-2px);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.contact-icon svg {
    color: var(--accent-1);
}

.contact-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 8px;
}

.contact-card a,
.contact-card span {
    color: var(--accent-2);
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-card a:hover {
    color: var(--accent-1);
}

/* === Footer === */
.footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid rgba(124, 58, 237, 0.1);
}

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

.section .section-container {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.section .section-container.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 968px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 100px 24px 40px;
        text-align: center;
        min-height: auto;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        display: none;
    }

    .hero-actions { justify-content: center; }

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

    .about-side {
        grid-template-columns: 1fr 1fr;
    }

    .nav-links { display: none; }
    .mobile-toggle { display: flex; }
}

@media (max-width: 600px) {
    .section { padding: 60px 20px; }

    .about-side {
        grid-template-columns: 1fr;
    }

    .skills-grid,
    .family-grid {
        grid-template-columns: 1fr;
    }

    .timeline { padding-left: 30px; }

    .hero { padding: 80px 20px 40px; }
}