:root {
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.7);
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent-blue: #58a6ff;
    --accent-cyan: #79c0ff;
    --border-color: rgba(48, 54, 61, 0.6);
    --glass-blur: blur(12px);
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Background Gradients */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(88, 166, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(121, 192, 255, 0.05) 0%, transparent 50%);
    z-index: -1;
}

/* Typography */
h1,
h2,
h3 {
    letter-spacing: -0.02em;
}

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

/* Glassmorphism Classes */
.glass {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

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

nav.scrolled {
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(8px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--accent-blue);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

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

/* Sections */
section {
    padding: 8rem 0;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

/* Experience Cards */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.experience-card {
    padding: 2rem;
    transition: var(--transition-smooth);
}

.experience-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.experience-card h3 {
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.experience-card .company {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.experience-card .period {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Section Headers */
.section-header {
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.section-header a {
    color: var(--accent-blue);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
}

.section-header a:hover {
    border-color: var(--accent-blue);
}

/* Project Cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-icon {
    margin-bottom: 1.5rem;
    color: var(--accent-blue);
}

.project-icon svg {
    width: 32px;
    height: 32px;
}

.project-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 2rem;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--accent-blue);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-cyan);
}

.btn-outline {
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
}

.btn-outline:hover {
    background: rgba(88, 166, 255, 0.1);
}

/* Support Section */
.coffee-icon {
    margin-bottom: 1.5rem;
    color: #FFDD00;
}

.support-card {
    border: 1px solid rgba(255, 221, 0, 0.1);
    background: radial-gradient(circle at top right, rgba(255, 221, 0, 0.05), transparent);
}

.bmac-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #FFDD00;
    color: #000000;
    padding: 0.8rem 2rem;
    font-weight: 700;
    border: none;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.bmac-btn:hover {
    background: #FFBE00;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 20px rgba(255, 221, 0, 0.2);
}

.bmac-btn img {
    height: 24px;
}

/* Footer & Social */
footer {
    padding: 6rem 0 4rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.social-links a:hover {
    color: var(--accent-blue);
    background: rgba(88, 166, 255, 0.1);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.social-links a svg {
    width: 20px;
    height: 20px;
}

/* Animation triggers */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

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

    section {
        padding: 5rem 0;
    }
}