:root {
    --primary-color: #4f46e5;
    --secondary-color: #818cf8;
    --accent-color: #c7d2fe;
    --dark-bg: #111827;
    --light-bg: #f3f4f6;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 800;
    color: var(--primary-color) !important;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-main) !important;
    transition: color 0.2s;
}

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

.btn-login {
    background-color: var(--primary-color);
    color: white !important;
    border-radius: 9999px;
    padding: 0.5rem 1.5rem;
    transition: transform 0.2s;
}

.btn-login:hover {
    transform: translateY(-2px);
    background-color: #4338ca;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    padding: 8rem 0 6rem;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
    margin-bottom: 3rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #e0e7ff;
    margin-bottom: 2.5rem;
}

/* Cards */
.custom-card {
    background: white;
    border-radius: 1rem;
    border: none;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    overflow: hidden;
}

.custom-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.btn-primary:hover {
    background-color: #4338ca;
    transform: translateY(-2px);
}

.btn-outline-light {
    border-width: 2px;
    font-weight: 600;
}

/* Footer */
footer {
    margin-top: auto;
    background-color: white;
    border-top: 1px solid #e5e7eb;
    padding: 3rem 0;
    color: var(--text-muted);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

/* Profile Improvements */
.profile-header-card {
    background: white;
    border-radius: 1.5rem;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.profile-cover {
    height: 350px;
    background: url('/images/profile_bg_3d.png') no-repeat center center;
    background-size: cover;
    position: relative;
}

.profile-cover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.profile-img-container {
    width: 160px;
    height: 160px;
    margin: -80px auto 1rem;
    position: relative;
    border-radius: 50%;
    padding: 4px;
    background: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
    display: block;
}

.skill-badge {
    transition: all 0.3s ease;
    cursor: default;
}

.skill-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

/* Info Items */
.info-item {
    transition: background-color 0.2s;
}

.info-item:hover {
    background-color: var(--light-bg);
}