/* ===================================
   Global Styles & Variables
   =================================== */
:root {
    --primary-color: #ff2e2e;
    --secondary-color: #ff5757;
    --dark-color: #111;
    --light-color: #fff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: var(--gray-900);
    background: var(--light-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   Animated Background
   =================================== */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 50%, #e9ecef 100%);
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 46, 46, 0.1), rgba(255, 87, 87, 0.05));
    animation: float 20s infinite ease-in-out;
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.circle-2 {
    width: 600px;
    height: 600px;
    top: 50%;
    right: -200px;
    animation-delay: 5s;
}

.circle-3 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: 30%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(50px, 50px) rotate(90deg);
    }
    50% {
        transform: translate(0, 100px) rotate(180deg);
    }
    75% {
        transform: translate(-50px, 50px) rotate(270deg);
    }
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05) rotate(2deg);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding: 100px 0 80px;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

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

.hero-description {
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-color);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

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

.btn-icon {
    width: 20px;
    height: 20px;
}

.hero-image {
    perspective: 1000px;
}

.card-3d {
    transform-style: preserve-3d;
    animation: rotate3d 20s infinite linear;
}

.floating-card {
    width: 100%;
    max-width: 400px;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.2));
    animation: floatCard 6s ease-in-out infinite;
}

@keyframes rotate3d {
    0% {
        transform: rotateY(0deg) rotateX(0deg);
    }
    50% {
        transform: rotateY(180deg) rotateX(10deg);
    }
    100% {
        transform: rotateY(360deg) rotateX(0deg);
    }
}

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

/* ===================================
   Methods Section
   =================================== */
.methods-section {
    padding: 80px 0;
    background: var(--gray-100);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

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

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray-600);
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.method-card {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    transform-style: preserve-3d;
}

.method-card:hover {
    transform: translateY(-10px) rotateX(2deg);
    box-shadow: var(--shadow-xl);
}

.method-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.method-icon svg {
    width: 35px;
    height: 35px;
    stroke: var(--light-color);
}

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

.method-content {
    margin-bottom: 1.5rem;
}

.method-steps {
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.method-steps li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.method-image {
    margin: 1.5rem 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.method-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

.method-tip {
    background: linear-gradient(135deg, #fff3cd, #ffe69c);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #ffc107;
    margin-top: 1rem;
}

.method-stats {
    display: flex;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--gray-200);
}

.stat {
    flex: 1;
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 0.3rem;
}

.stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ===================================
   Comparison Table
   =================================== */
.comparison-section {
    padding: 80px 0;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin-top: 2rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--light-color);
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-color);
}

.comparison-table th,
.comparison-table td {
    padding: 1.2rem;
    text-align: right;
    border-bottom: 1px solid var(--gray-200);
}

.comparison-table th {
    font-weight: 700;
    font-size: 1.1rem;
}

.comparison-table tbody tr {
    transition: var(--transition);
}

.comparison-table tbody tr:hover {
    background: var(--gray-100);
    transform: scale(1.01);
}

/* ===================================
   Issues Section
   =================================== */
.issues-section {
    padding: 80px 0;
    background: var(--gray-100);
}

.issues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.issue-card {
    background: var(--light-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.issue-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.issue-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.issue-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.issue-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===================================
   FAQs Section
   =================================== */
.faqs-section {
    padding: 80px 0;
}

.faqs-grid {
    display: grid;
    gap: 1.5rem;
    max-width: 900px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--light-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: right;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-color);
    cursor: pointer;
    transition: var(--transition);
}

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

.faq-icon {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--gray-600);
    line-height: 1.8;
}

/* ===================================
   Tips Section
   =================================== */
.tips-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.tips-card {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.tips-card h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.tips-list {
    list-style: none;
    text-align: right;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.tips-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--gray-100);
    border-radius: 12px;
    transition: var(--transition);
}

.tips-list li:hover {
    background: var(--gray-200);
    transform: translateX(-5px);
}

.tips-list svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary-color);
    flex-shrink: 0;
}

.tips-cta {
    margin-top: 2rem;
}

.tips-cta p {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-color);
    color: var(--light-color);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo-img {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: var(--gray-400);
    margin-top: 1rem;
}

.footer-links h4 {
    margin-bottom: 1rem;
    color: var(--light-color);
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-right: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-700);
    color: var(--gray-500);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--light-color);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .floating-card {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .methods-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .comparison-table {
        font-size: 0.9rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .method-card,
    .issue-card,
    .tips-card {
        padding: 1.5rem;
    }
    
    .tips-card h2 {
        font-size: 1.8rem;
    }
}

/* ===================================
   Animations & Effects
   =================================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

/* Smooth scrolling for all browsers */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .hero-buttons,
    .btn {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .animated-bg {
        display: none;
    }
}