/* define CSS variables */
:root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --primary-color: #58a6ff;
    --secondary-color: #8b949e;
    --accent-color: #238636;
    --card-bg: #161b22;
    --card-border: #30363d;
    --nav-bg: rgba(13, 17, 23, 0.85);
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: #ffffff;
    font-weight: 700;
}

.text-primary-custom {
    color: var(--primary-color);
}

/* Navbar */
.navbar {
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: #ffffff !important;
}

.nav-link {
    color: var(--text-color) !important;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
}

/* Sections */
section {
    padding: 80px 0;
}

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

.hero-name {
    font-size: 4rem;
    background: linear-gradient(45deg, var(--primary-color), #bc8cff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.card-title {
    color: #ffffff;
}

.card-text {
    color: var(--secondary-color);
}

/* Skills Badges */
.badge-skill {
    background-color: rgba(56, 139, 253, 0.15);
    color: #58a6ff;
    border: 1px solid rgba(56, 139, 253, 0.4);
    font-weight: 500;
    padding: 0.5em 0.8em;
    margin: 0.25em;
    border-radius: 20px;
    transition: all 0.2s ease;
}

.badge-skill:hover {
    background-color: rgba(56, 139, 253, 0.25);
    transform: scale(1.05);
}

/* Timeline/Experience */
.timeline-item {
    border-left: 2px solid var(--card-border);
    padding-left: 20px;
    margin-bottom: 30px;
    position: relative;
}

.timeline-dot {
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    left: -7px;
    top: 5px;
}

/* Footer */
footer {
    background-color: #05070a;
    padding: 40px 0;
    margin-top: 60px;
    border-top: 1px solid var(--card-border);
}

/* Button */
.btn-primary-custom {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-primary-custom:hover {
    background-color: #4f96e8;
    border-color: #4f96e8;
    transform: translateY(-2px);
}

.btn-outline-custom {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

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