/* 
 * Portfolio Website Styles
 * Faique Ahmad - PHP Developer
 */

:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #1e293b;
    --accent-color: #06b6d4;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.display-1 { font-size: 3.5rem; font-weight: 800; }
.display-2 { font-size: 3rem; font-weight: 700; }
.display-3 { font-size: 2.5rem; font-weight: 600; }

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: var(--transition);
    position: relative;
}

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

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background: var(--bg-gradient);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 60px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="white" opacity="0.1"/><circle cx="10" cy="90" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    white-space: nowrap;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-buttons .btn {
    margin: 0.5rem;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary-color);
    border: none;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6);
}

.btn-outline-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* Profile Image */
.profile-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 5px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    object-fit: cover;
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-title::after {
    content: '';
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
}

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

.service-card {
    text-align: center;
    padding: 2rem;
    height: 100%;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Portfolio Cards */
.portfolio-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(59, 130, 246, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

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

/* Testimonials */
.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    margin: 1rem 0;
}

.testimonial-card::before {
    content: '"';
    font-size: 4rem;
    color: var(--primary-color);
    position: absolute;
    top: -10px;
    left: 20px;
    font-family: serif;
}

.testimonial-rating {
    color: #fbbf24;
    margin-bottom: 1rem;
}

/* Stats */
.stats-section {
    background: var(--secondary-color);
    color: white;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-control {
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.whatsapp-btn {
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-btn:hover {
    background: #128c7e;
    color: white;
    transform: scale(1.1);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Back to Top Button */
.btn-back-to-top {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.btn-back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Blog Cards */
.blog-card {
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.blog-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    display: block;
}

.blog-meta {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Pricing Cards */
.pricing-card {
    text-align: center;
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    position: relative;
    transition: var(--transition);
}

.pricing-card.featured {
    background: var(--bg-gradient);
    color: white;
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

/* FAQ Section */
.faq-item {
    margin-bottom: 1rem;
}

.faq-question {
    background: var(--bg-light);
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem;
    width: 100%;
    text-align: left;
    font-weight: 600;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--primary-color);
    color: white;
}

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

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

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 0;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .navbar-toggler {
        border: none;
        padding: 0.25rem 0.5rem;
    }
    
    .navbar-toggler:focus {
        box-shadow: none;
    }
    
    .navbar-collapse {
        margin-top: 1rem;
        background: rgba(255, 255, 255, 0.98);
        border-radius: 10px;
        padding: 1rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        margin: 0.25rem 0;
        border-radius: 8px;
        transition: all 0.3s ease;
    }
    
    .navbar-nav .nav-link:hover {
        background: rgba(59, 130, 246, 0.1);
        color: var(--primary-color) !important;
    }
    
    .navbar-nav .nav-item:last-child .nav-link {
        background: var(--primary-color);
        color: white !important;
        text-align: center;
        margin-top: 1rem;
    }
    
    .navbar-nav .nav-item:last-child .nav-link:hover {
        background: var(--primary-dark);
        color: white !important;
    }
    
    .hero-title {
        font-size: 2rem;
        white-space: normal;
        line-height: 1.1;
        margin-bottom: 1rem;
        text-align: center;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        text-align: center;
        margin-bottom: 1.5rem;
    }
    
    .hero-section {
        padding-top: 80px;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .profile-image {
        width: 200px;
        height: 200px;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .whatsapp-float {
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 0.25rem 0;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .navbar-collapse {
        margin-top: 0.75rem;
        padding: 0.75rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.95rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
        white-space: normal;
        line-height: 1.1;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .display-1 { font-size: 2.5rem; }
    .display-2 { font-size: 2rem; }
    .display-3 { font-size: 1.75rem; }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin: 0.5rem 0;
        padding: 0.75rem 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* Client Logos Carousel */
.client-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.client-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(59,130,246,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.5;
}

.clients-carousel-wrapper {
    position: relative;
    overflow: hidden;
    padding: 2rem 0;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.clients-carousel {
    display: flex;
    animation: slide 20s linear infinite;
    width: calc(200% + 40px);
}

.client-slide {
    flex: 0 0 auto;
    width: 300px;
    margin: 0 20px;
}

.client-logo-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
    position: relative;
    overflow: hidden;
}

.client-logo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.6s ease;
}

.client-logo-card:hover::before {
    left: 100%;
}

.client-logo-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.2);
    border-color: var(--primary-color);
}

.client-logo-card .client-logo {
    max-height: 80px;
    max-width: 120px;
    width: auto;
    height: auto;
    object-fit: contain;
    margin-bottom: 1rem;
    transition: all 0.4s ease;
    filter: grayscale(20%);
}

.client-logo-card:hover .client-logo {
    filter: grayscale(0%);
    transform: scale(1.1);
}

.client-info h6 {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.client-info small {
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
}

/* Client Stats */
.client-stats {
    margin-top: 4rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
    position: relative;
    overflow: hidden;
}

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

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

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.15);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
    transition: all 0.4s ease;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: block;
}

.stat-card p {
    color: var(--text-light);
    font-weight: 500;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

/* Carousel Animation */
@keyframes slide {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Pause animation on hover */
.clients-carousel-wrapper:hover .clients-carousel {
    animation-play-state: paused;
}

/* Responsive adjustments for client section */
@media (max-width: 768px) {
    .client-slide {
        width: 250px;
        margin: 0 15px;
    }
    
    .client-logo-card {
        padding: 1.5rem;
    }
    
    .client-logo-card .client-logo {
        max-height: 60px;
        max-width: 100px;
    }
    
    .clients-carousel {
        animation-duration: 15s;
    }
    
    .stat-card {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .stat-card .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .client-slide {
        width: 200px;
        margin: 0 10px;
    }
    
    .clients-carousel-wrapper {
        padding: 1rem 0;
    }
    
    .client-stats {
        margin-top: 2rem;
    }
}

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-light-50 { color: rgba(255, 255, 255, 0.7) !important; }
.bg-gradient { background: var(--bg-gradient) !important; }
.shadow-custom { box-shadow: var(--shadow) !important; }
.border-radius-custom { border-radius: var(--border-radius) !important; }