/* Global Styles & Variables */
:root {
    --primary: #6c5ce7;
    --secondary: #a29bfe;
    --light: #f8f9fa;
    --dark: #212529;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --fade-in: opacity 0.6s ease-in-out, transform 0.6s ease-in-out;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
    padding-top: 80px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

.hero a {
    margin: 0 10px;
}

/* Typewriter Cursor */
#typewriter {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    color: white;
    border-right: 0.15em solid var(--primary);
    animation: blink-caret 0.75s step-end infinite;
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--primary); }
}

/* Cards */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.card.animate {
    opacity: 1;
    transform: translateY(0);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.skill-card, .project-card, .cert-card {
    background: white;
    transition: var(--transition);
}

.project-card img {
    height: 200px;
    object-fit: cover;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    transition: var(--transition);
}

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

/* Buttons */
.btn {
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: #5649d1;
    border-color: #5649d1;
    transform: translateY(-3px);
}

.btn-outline-light {
    border-color: white;
    color: white;
}

.btn-outline-light:hover {
    background-color: white;
    color: var(--primary);
    transform: translateY(-3px);
}

/* Social Links */
.social-links a {
    color: white;
    transition: var(--transition);
    display: inline-block;
}

.social-links a:hover {
    color: var(--primary);
    transform: translateY(-5px);
}

/* Navbar */
.navbar {
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

.nav-link {
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

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

section h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 30px;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary);
}

/* Contact Form */
.form-control {
    transition: var(--transition);
    border: 1px solid #ddd;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(108, 99, 255, 0.25);
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
}

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

.animate-fade-in {
    animation: fadeIn 0.8s ease-in-out forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-in-out forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }