:root {
    --bg-color: #0a0a0c;
    --accent-blue: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --card-bg: #16161a;
    --border-color: rgba(255, 255, 255, 0.08);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-color);
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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



/* Header - Dark Premium */
header {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background:
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.02) 0%, transparent 40%);
}

h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 1.5rem;
    color: #fff;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin-bottom: 3rem;
    font-weight: 400;
}

/* Section Styling */
section {
    padding: 120px 0;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 3rem;
    color: #fff;
}

/* Grid & Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.2rem;
    display: inline-block;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

/* Arsenal Box */
.arsenal-box {
    background: #000;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    font-family: var(--font-mono);
    line-height: 1.8;
}

.arsenal-box p {
    margin-bottom: 0.5rem;
    color: #64748b;
}

.arsenal-box .blue {
    color: var(--accent-blue);
    font-weight: bold;
}

.arsenal-box .white {
    color: #f1f5f9;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.8rem 2.2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.05);
    transform: translateY(-5px);
}

.contact-item i {
    font-size: 2rem;
    color: var(--accent-blue);
}

.contact-info .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-info .value {
    font-weight: 600;
    font-size: 1.1rem;
}

/* Button */
.btn {
    display: inline-flex;
    padding: 16px 36px;
    background: var(--accent-blue);
    color: #fff;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
}

.btn:hover {
    background: #2563eb;
    box-shadow: 0 0 20px var(--accent-glow);
    transform: scale(1.02);
}

footer {
    padding: 80px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    header {
        padding: 80px 0;
        height: auto;
    }

    section {
        padding: 80px 0;
    }
}