/* Premium Portfolio Styles */
:root {
    --primary-gradient: linear-gradient(135deg, var(--primary-color), #6366f1);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --card-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    --hover-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

/* Loader */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader-wrapper.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: var(--primary-gradient);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.1;
    animation: morphingBg 20s ease-in-out infinite;
}

@keyframes morphingBg {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
    }

    33% {
        transform: scale(1.1) rotate(120deg);
    }

    66% {
        transform: scale(0.9) rotate(240deg);
    }
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 500;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    opacity: 0.7;
    max-width: 600px;
    margin-bottom: 2rem;
}

/* Glass Card Effect */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    transition: var(--transition-smooth);
}

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

/* Magnetic Button */
.btn-magnetic {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.btn-magnetic:hover {
    transform: scale(1.05);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: -0.3px;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(var(--primary-color), 0.3);
}

/* Section Styles */
.section-padding {
    padding: 120px 0;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    opacity: 0.7;
    max-width: 600px;
    margin: 0 auto 4rem;
}

/* Skill Progress Bar */
.skill-item {
    margin-bottom: 2rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.skill-progress {
    height: 8px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 50px;
    overflow: hidden;
}

.skill-progress-bar {
    height: 100%;
    border-radius: 50px;
    background: var(--primary-gradient);
    transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.skill-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 100%;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(var(--primary-color), 0.5);
}

/* Service Cards */
.service-card {
    padding: 3rem 2rem;
    border-radius: 24px;
    background: white;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--hover-shadow);
}

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

/* Project Cards */
.project-card {
    border-radius: 24px;
    overflow: hidden;
    background: white;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--hover-shadow);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

/* 3D Tilt Effect */
.tilt-element {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.tilt-element-inner {
    transition: transform 0.1s ease;
}

/* Animated Counter */
.counter-value {
    font-size: 3rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Testimonial Carousel */
.testimonial-card {
    padding: 3rem;
    background: white;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 30px;
    font-size: 8rem;
    color: var(--primary-color);
    opacity: 0.1;
    font-family: serif;
    line-height: 1;
}

/* Blog Cards */
.blog-card {
    border-radius: 24px;
    overflow: hidden;
    background: white;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--hover-shadow);
}

.blog-card-image {
    height: 200px;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.1);
}

/* Contact Section */
.contact-section {
    position: relative;
    overflow: hidden;
}

.contact-form input,
.contact-form textarea {
    border: 2px solid rgba(0, 0, 0, 0.05);
    border-radius: 16px;
    padding: 16px;
    transition: var(--transition-smooth);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(var(--primary-color), 0.1);
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.02);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(var(--primary-color), 0.3);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-animation>* {
    opacity: 0;
    transform: translateY(30px);
}

.stagger-animation>*.visible {
    animation: fadeInUp 0.6s ease forwards;
}

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

/* Parallax */
.parallax-element {
    transition: transform 0.1s linear;
}

/* Dark Mode */
[data-bs-theme="dark"] body {
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
}

[data-bs-theme="dark"] .navbar {
    background: rgba(10, 10, 10, 0.8);
}

[data-bs-theme="dark"] .service-card,
[data-bs-theme="dark"] .project-card,
[data-bs-theme="dark"] .testimonial-card,
[data-bs-theme="dark"] .blog-card,
[data-bs-theme="dark"] .glass-card {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

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

    .section-padding {
        padding: 80px 0;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }
}