:root {
    --bg-dark: #020205;
    --accent-primary: #8b5cf6;
    --accent-secondary: #06b6d4;
    --text-white: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.6);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --nav-blur: 15px;
    --mesh-opacity: 0.1;
    --gradient-start: #ffffff;
}

[data-theme="light"] {
    --bg-dark: #f8fafc;
    --text-white: #0f172a;
    --text-dim: rgba(15, 23, 42, 0.6);
    --card-bg: rgba(0, 0, 0, 0.02);
    --card-border: rgba(0, 0, 0, 0.08);
    --accent-primary: #6366f1;
    --mesh-opacity: 0.05;
    --gradient-start: #0f172a;
}

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

body {
    background: var(--bg-dark);
    color: var(--text-white);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    overflow-x: hidden;
    cursor: default;
}

h1,
h2,
h3,
.logo {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

/* Background Visuals */
.mesh-gradient {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140vw;
    height: 140vh;
    z-index: -2;
    background:
        radial-gradient(circle at 20% 20%, rgba(139, 92, 246, var(--mesh-opacity)) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, var(--mesh-opacity)) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, var(--mesh-opacity)) 0%, transparent 50%);
    filter: blur(100px);
    animation: orbit 20s linear infinite;
}

@keyframes orbit {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.mouse-spotlight {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    background: radial-gradient(800px circle at var(--x) var(--y), rgba(139, 92, 246, 0.1), transparent 80%);
}

@media (max-width: 768px) {
    .mouse-spotlight {
        display: none;
    }
}

/* Typography */
.section-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-primary);
    margin-bottom: 0.75rem;
    display: block;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start) 30%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Nav */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8%;
    background: rgba(2, 2, 5, 0.6);
    backdrop-filter: blur(var(--nav-blur));
    z-index: 1000;
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
}

.logo span {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: transform 0.2s cubic-bezier(0.2, 1, 0.2, 1), color 0.3s;
    display: inline-block;
}

.nav-links a:hover {
    color: white;
}

.mobile-only-link {
    display: none;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 8% 80px;
}

.hero-avatar-container {
    position: relative;
    margin-bottom: 2.5rem;
}

.avatar-glow {
    position: absolute;
    inset: -20px;
    background: var(--accent-primary);
    filter: blur(50px);
    opacity: 0.3;
    border-radius: 50%;
    animation: pulse 4s infinite;
}

.hero-avatar {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    position: relative;
    z-index: 2;
    border: 3px solid var(--card-border);
    padding: 6px;
    background: var(--bg-dark);
}

.hero h1 {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    line-height: 0.95;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 700px;
    line-height: 1.6;
}

/* Layout Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 8% 120px;
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
}

/* Luxury Cards */
.luxury-card {
    grid-column: span 12;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 32px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: 0.6s cubic-bezier(0.2, 1, 0.2, 1);
}

.luxury-card:hover {
    border-color: rgba(139, 92, 246, 0.5);
    transform: translateY(-8px) scale(1.005);
    box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.8);
}

.luxury-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--text-white), transparent 50%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

.luxury-card:hover::after {
    opacity: 0.06;
}

/* Projects */
.project-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.project-visual {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.project-visual img {
    width: 100%;
    display: block;
    transition: 0.8s;
}

.luxury-card:hover .project-visual img {
    transform: scale(1.05);
}

/* Experience & Education Tags */
.timeline-item {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    width: 2px;
    height: 100%;
    background: var(--card-border);
}

.timeline-dot {
    position: absolute;
    left: -4px;
    top: 5px;
    width: 10px;
    height: 10px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-primary);
}

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

.glass-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 20px;
    text-align: left;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-primary);
}

/* Buttons */
.cta-btn {
    padding: 1.2rem 2.5rem;
    border-radius: 100px;
    font-weight: 600;
    text-decoration: none;
    transition: 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.primary-cta {
    background: var(--text-white);
    color: var(--bg-dark);
}

.primary-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

/* Animations */
[data-reveal] {
    opacity: 0;
    transform: translateY(40px);
    transition: 1s cubic-bezier(0.2, 1, 0.2, 1);
}

[data-reveal].visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
}

/* Interactive Elements */
.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    padding: 0.6rem 1.2rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    font-size: 0.9rem;
}

/* Responsive Design Improvements */
@media (max-width: 1100px) {
    nav {
        padding: 0 5%;
    }

    .container {
        padding: 0 5% 80px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }

    #menu-toggle {
        display: flex !important;
    }

    /* Hide social links from nav on mobile to prevent overcrowding */
    .nav-actions a[href*="linkedin"],
    .nav-actions a[href*="github"] {
        display: none !important;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-dark);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
        transform: translateY(-100%);
        opacity: 0;
        transition: 0.5s cubic-bezier(0.2, 1, 0.2, 1);
        pointer-events: none;
        z-index: 999;
        padding-bottom: 80px;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .mobile-only-link {
        display: list-item;
    }

    /* Add social links back inside the mobile menu */
    /* .nav-links::after {
        content: 'Connect with me';
        font-size: 0.8rem;
        text-transform: uppercase;
        letter-spacing: 0.2em;
        color: var(--text-dim);
        margin-top: 2rem;
    } */

    .nav-links a {
        font-size: 1.8rem;
    }

    .hero {
        padding-top: 140px;
        padding-bottom: 60px;
    }

    .hero h1 {
        font-size: clamp(2.2rem, 12vw, 3.5rem);
        line-height: 1.1;
        overflow-wrap: anywhere;
        letter-spacing: -0.04em;
    }

    .hero p {
        font-size: 1.05rem;
        padding: 0 5%;
        margin-bottom: 2rem;
    }

    #close-viewer {
        top: 15px !important;
        right: 15px !important;
        font-size: 2.5rem !important;
    }

    #pdf-frame {
        height: 85vh;
        width: 100%;
        border-radius: 15px;
    }

    .container {
        margin-top: 40px;
    }

    section {
        margin-bottom: 60px;
    }

    .hero-avatar {
        width: 120px;
        height: 120px;
    }

    .luxury-card {
        padding: 1.5rem !important;
        border-radius: 20px;
    }

    .project-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section-grid {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .luxury-card[style*="grid-column"] {
        grid-column: span 12 !important;
    }

    .timeline-item {
        padding-left: 1.5rem;
    }

    .timeline-item h3 {
        font-size: 1.25rem !important;
    }

    .cert-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .cta-btn {
        width: 100%;
        justify-content: center;
        font-size: 1rem;
        padding: 1rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .nav-actions {
        gap: 0.75rem !important;
    }

    .logo {
        font-size: 1.2rem;
    }

    .section-label {
        font-size: 0.65rem;
        letter-spacing: 0.15em;
    }

    .luxury-card h2 {
        font-size: 1.6rem !important;
    }

    #contact h2 {
        font-size: 1.8rem !important;
    }

    form input,
    form textarea {
        padding: 1rem !important;
        font-size: 1rem;
    }
}

/* Fix for horizontal scroll issues */
html,
body {
    width: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    position: relative;
}

* {
    max-width: 100%;
}