/*
 * NovaLaunch - Modern HTML5 & Bootstrap Landing Page Template
 * Version: 1.0.0
 * Author: NovaLaunch Team
 * Copyright 2023 NovaLaunch
 */

/* ========================================
   CSS Variables for Theme Colors
   ======================================== */
:root {
    /* Primary Colors */
    --primary-color: #6366F1;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    
    /* Light Theme Colors */
    --bg-color: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-color: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --footer-bg: #1a1d29;
    --footer-text: #cbd5e0;
    
    /* Spacing & Layout */
    --section-padding: 100px;
    --border-radius: 12px;
    --box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    
    /* Typography */
    --font-family: 'Inter', sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
}

/* Dark Theme Colors */
[data-theme="dark"] {
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --text-color: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --card-bg: #1e293b;
    --nav-bg: rgba(15, 23, 42, 0.95);
    --box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* ========================================
   Global Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-color);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
}

section {
    position: relative;
}

.section-padding {
    padding: var(--section-padding) 0;
}

/* Background Variations */
.bg-light {
    background-color: var(--bg-secondary) !important;
}

/* Section Headers */
.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   Navigation Bar
   ======================================== */
.navbar {
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

.brand-text {
    color: var(--text-color);
}

.navbar-nav .nav-link {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: 8px;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color);
    background-color: rgba(99, 102, 241, 0.1);
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-color);
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--primary-color);
    background-color: rgba(99, 102, 241, 0.1);
    border-radius: 8px;
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.hero-shape.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.hero-shape.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    bottom: 100px;
    right: -50px;
    animation-delay: 3s;
}

.hero-shape.shape-3 {
    width: 250px;
    height: 250px;
    background: var(--accent-color);
    top: 50%;
    right: 20%;
    animation-delay: 6s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: var(--text-color);
}

.typed-text {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.typed-cursor {
    color: var(--primary-color);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    z-index: 1;
    animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-stats {
    padding-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4f46e5, var(--primary-color));
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
    color: #ffffff;
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* ========================================
   Features Section
   ======================================== */
.features-section {
    background-color: var(--bg-color);
}

.feature-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: #ffffff;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature-description {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    background-color: var(--bg-secondary);
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.about-content {
    padding-left: 2rem;
}

.about-features {
    margin-top: 2rem;
}

.about-feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.about-feature-item i {
    font-size: 1.5rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.about-feature-text h5 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

.about-feature-text p {
    margin-bottom: 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ========================================
   Services Section
   ======================================== */
.services-section {
    background-color: var(--bg-color);
}

.service-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.15);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), #059669);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: #ffffff;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--secondary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.service-link:hover {
    gap: 0.75rem;
    color: var(--secondary-color);
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing-section {
    background-color: var(--bg-secondary);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.toggle-label {
    font-weight: 600;
    color: var(--text-color);
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: var(--transition);
    border-radius: 30px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.pricing-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border-color);
    position: relative;
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    z-index: 1;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
}

.pricing-header {
    text-align: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.pricing-plan {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.pricing-price {
    margin-bottom: 1rem;
}

.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.pricing-price .amount {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary-color);
}

.pricing-price .period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-description {
    color: var(--text-secondary);
    margin-bottom: 0;
}

.pricing-features {
    padding: 2rem 0;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    color: var(--text-color);
}

.pricing-features li i {
    margin-right: 0.75rem;
    font-size: 1.125rem;
}

.pricing-features li .bi-check-circle-fill {
    color: var(--secondary-color);
}

.pricing-features li.disabled {
    opacity: 0.5;
}

.pricing-features li.disabled .bi-x-circle-fill {
    color: var(--text-secondary);
}

.pricing-footer {
    padding-top: 2rem;
}

/* ========================================
   Portfolio Section
   ======================================== */
.portfolio-section {
    background-color: var(--bg-color);
}

.portfolio-filter {
    margin-bottom: 3rem;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 0.625rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    margin: 0.25rem;
    transition: var(--transition);
    cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.portfolio-grid {
    margin-top: 2rem;
}

.portfolio-item {
    margin-bottom: 2rem;
    transition: var(--transition);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    background: var(--card-bg);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 300px;
}

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

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(99, 102, 241, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-lightbox,
.portfolio-link {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    transition: var(--transition);
}

.portfolio-lightbox:hover,
.portfolio-link:hover {
    transform: scale(1.1);
    color: var(--primary-color);
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.portfolio-info p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials-section {
    background-color: var(--bg-secondary);
}

.testimonials-slider {
    padding: 2rem 0;
}

.testimonial-card {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    height: auto;
    border: 1px solid var(--border-color);
}

.testimonial-rating {
    margin-bottom: 1.5rem;
}

.testimonial-rating i {
    color: var(--accent-color);
    font-size: 1.25rem;
    margin-right: 0.25rem;
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.author-name {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

.author-position {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

.swiper-pagination {
    margin-top: 2rem;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: var(--border-color);
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background: var(--primary-color);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-section {
    background-color: var(--bg-color);
}

.faq-accordion .accordion-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-accordion .accordion-button {
    background: var(--card-bg);
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.125rem;
    padding: 1.5rem;
    border: none;
    box-shadow: none;
}

.faq-accordion .accordion-button:not(.collapsed) {
    background: var(--card-bg);
    color: var(--primary-color);
}

.faq-accordion .accordion-button:focus {
    box-shadow: none;
    border: none;
}

.faq-accordion .accordion-button::after {
    background-image: none;
    content: "\F282";
    font-family: "bootstrap-icons";
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-accordion .accordion-button.collapsed::after {
    content: "\F64D";
    color: var(--text-secondary);
}

.faq-accordion .accordion-body {
    padding: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
    background-color: var(--bg-secondary);
}

.contact-info {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    height: 100%;
    border: 1px solid var(--border-color);
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 1.5rem;
    color: white;
}

.info-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.info-content p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.contact-form {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

.form-floating > .form-control {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    height: calc(3.5rem + 2px);
}

.form-floating > .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.15);
}

.form-floating > label {
    color: var(--text-secondary);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--primary-color);
}

.form-floating > textarea.form-control {
    height: auto;
}

.form-control.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    display: none;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.form-control.is-invalid ~ .invalid-feedback {
    display: block;
}

.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #dc3545;
    display: block;
}

.contact-map {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.contact-map iframe {
    width: 100%;
    height: 400px;
    border: 0;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 4rem 0 2rem;
}

.footer-brand {
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
}

.footer-info p {
    color: var(--footer-text);
    line-height: 1.8;
}

.footer .social-links {
    margin-top: 1.5rem;
}

.footer .social-links a {
    background: rgba(255, 255, 255, 0.1);
}

.footer .social-links a:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.footer-links h4 {
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links ul li a {
    color: var(--footer-text);
    transition: var(--transition);
    display: inline-block;
}

.footer-links ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-newsletter h4 {
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-newsletter p {
    color: var(--footer-text);
    margin-bottom: 1rem;
}

.newsletter-form .input-group {
    border-radius: 50px;
    overflow: hidden;
}

.newsletter-form .form-control {
    border: none;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.newsletter-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-form .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: none;
}

.newsletter-form .btn {
    border-radius: 0 50px 50px 0;
    padding: 0.75rem 1.5rem;
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright,
.credits {
    color: var(--footer-text);
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    color: white;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 991.98px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        padding-left: 0;
        margin-top: 2rem;
    }
    
    .pricing-card.featured {
        transform: scale(1);
        margin-top: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 767.98px) {
    :root {
        --section-padding: 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .feature-card,
    .service-card,
    .pricing-card {
        margin-bottom: 2rem;
    }
    
    .testimonial-card {
        padding: 2rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 575.98px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .pricing-price .amount {
        font-size: 2.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

/* ========================================
   Animations & Loading States
   ======================================== */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}