/* Global Styles */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
    color: white;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../img/programmer-night.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(3px) brightness(0.5);
    transform: scale(1.05);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.85) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    animation: fadeInUp 1s ease-out;
}

.profile-circle {
    width: 180px;
    height: 180px;
    margin: 0 auto;
    animation: fadeInScale 1s ease-out 0.2s both;
}

.profile-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

.profile-circle img:hover {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: fadeIn 1s ease-out 1s both;
}

.animate-bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Profile Image */
.profile-image-wrapper {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
    animation: fadeInScale 1s ease-out 0.4s both;
}

.profile-image {
    width: 100%;
    height: auto;
    border-radius: 50%;
    border: 8px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.05);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Social Links */
.social-links {
    display: flex;
    gap: 20px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.5rem;
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-5px);
}

/* About Section */
.about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* Skill Cards */
.skill-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: none;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.skill-card h4 {
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.skill-card p {
    font-size: 0.95rem;
}

/* Project Cards */
.project-card {
    transition: all 0.3s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.project-img {
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.project-card h4 {
    color: #333;
    font-weight: 600;
}

.project-card .btn {
    transition: all 0.3s ease;
}

.project-card .btn:hover {
    transform: translateX(5px);
}

/* Contact Section */
.contact-form {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-control {
    border-radius: 5px;
    border: 1px solid #ddd;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
}

/* Sections */
section {
    scroll-margin-top: 80px;
}

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #0056b3;
    border-color: #0056b3;
    transform: translateY(-2px);
}

.btn-outline-light:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }

    .hero-section p {
        font-size: 1rem;
    }

    .social-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

section {
    animation: fadeIn 0.5s ease-in;
}