/* Modern Design System */
:root {
    --primary-color: #4facfe;
    --secondary-color: #00f2fe;
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-color: #e2e8f0;
    --text-muted: #cbd5e1;
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

.text-muted {
    color: var(--text-muted) !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Gradient Text */
.text-gradient {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glassmorphism Navbar */
.navbar {
    background: rgba(15, 23, 42, 0.8) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border) !important;
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.nav-link {
    color: var(--text-color) !important;
    position: relative;
    font-weight: 500;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
header {
    position: relative;
    padding-top: 120px;
    padding-bottom: 80px;
}

/* Glassmorphism Cards */
.card-glass {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-glass:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(0, 242, 254, 0.3);
}

/* Skills/Tech Toolkit */
.skill-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.skill-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(to bottom right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary-gradient {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary-gradient:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(79, 172, 254, 0.5);
    color: #fff;
}

.btn-outline-gradient {
    background: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    font-weight: 600;
    padding: 10px 28px;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-outline-gradient:hover {
    background: var(--secondary-color);
    color: #0f172a;
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.5);
}

/* Inputs */
.form-control {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 12px;
}

.form-control::placeholder {
    color: #cbd5e1;
    opacity: 0.8;
}

.form-control:focus {
    background: rgba(15, 23, 42, 0.8);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(79, 172, 254, 0.25);
    color: var(--text-color);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Timeline for Experience (Simple CSS version) */
.timeline-item {
    padding-left: 2rem;
    border-left: 2px solid var(--glass-border);
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

/* Utilities */
.bg-glass {
    background: rgba(255, 255, 255, 0.05);
}