:root {
    --bg-color: #122b45;
    --card-bg: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-dim: #cbd5e1;
    --accent: #00f2fe;
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Scroll Progress */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--accent);
    z-index: 1001;
    width: 0%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: #122b45;
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    text-decoration: none;
    color: white;
}

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

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

.nav-links li a {
    color: white;
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 400;
    transition: 0.3s;
}

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

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-name {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
}

.hero-title {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.hero-intro {
    max-width: 600px;
    font-size: 1.2rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: var(--transition);
}

.btn-primary {
    background: white;
    color: var(--bg-color);
    margin-right: 1rem;
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.btn-secondary {
    border: 1px solid white;
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Glassmorphism Cards */
.glass {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.skills-grid, .project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-card {
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
}

.skill-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.project-card {
    min-height: 200px;
    padding: 2rem;
    cursor: pointer;
    transition: var(--transition);
}

.project-card:hover {
    transform: scale(1.03);
}

.tag {
    display: inline-block;
    background: rgba(0, 242, 254, 0.2);
    color: var(--accent);
    padding: 0.2rem 0.8rem;
    border-radius: 10px;
    font-size: 0.8rem;
    margin-top: 1rem;
    margin-right: 0.5rem;
}

/* Contact */
.contact-card {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem;
    text-align: center;
}

.email-link {
    display: block;
    font-size: 2rem;
    color: white;
    text-decoration: none;
    margin: 1.5rem 0;
    font-weight: 700;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: 0.3s;
}

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

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Add JS to toggle for mobile */
    }
    .hero-name { font-size: 3rem; }
}