/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #06b6d4;
    --text: #334155;
    --text-light: #64748b;
    --text-dark: #0f172a;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
}

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

ul {
    list-style: none;
}

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

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(37, 99, 235, 0.5);
}

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

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

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

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    overflow: hidden;
}

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

.hero-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero h1 {
    margin-bottom: 24px;
}

.hero h1 .highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
}

.hero-shape {
    width: 400px;
    height: 400px;
    background: var(--gradient);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    opacity: 0.1;
    animation: morph 8s ease-in-out infinite;
    margin-left: auto;
}

@keyframes morph {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    50% { border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%; }
}

.hero-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    display: flex;
    gap: 40px;
    background: var(--white);
    padding: 30px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* ===================================
   Services Overview
   =================================== */
.services-overview {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    padding: 40px 30px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: var(--white);
    border-radius: var(--radius);
    margin-bottom: 24px;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

.services-cta {
    text-align: center;
    margin-top: 50px;
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--gray-50);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about h2 {
    margin-bottom: 24px;
}

.about p {
    color: var(--text-light);
    font-size: 1.125rem;
}

.about-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 40px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature svg {
    color: var(--primary);
}

.feature span {
    font-weight: 500;
}

/* ===================================
   CTA Section
   =================================== */
.cta {
    background: var(--gradient);
    text-align: center;
    padding: 80px 0;
}

.cta h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 32px;
}

/* ===================================
   Page Header
   =================================== */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    text-align: center;
}

.page-header h1 {
    margin-bottom: 16px;
}

.page-header p {
    color: var(--text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Services Detail
   =================================== */
.services-detail {
    padding: 60px 0;
}

.service-detail-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 50px;
    padding: 50px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: 30px;
    align-items: start;
}

.service-detail-card.reverse {
    direction: rtl;
}

.service-detail-card.reverse > * {
    direction: ltr;
}

.service-detail-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: var(--white);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.service-detail-content h2 {
    margin-bottom: 16px;
    font-size: 1.75rem;
}

.service-detail-content p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}

.service-features li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===================================
   Pricing Section
   =================================== */
.pricing {
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
}

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

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pricing-card h3 {
    margin-bottom: 20px;
}

.price {
    margin-bottom: 8px;
}

.price .currency {
    font-size: 1.5rem;
    vertical-align: top;
    color: var(--text-light);
}

.price .amount {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.price-desc {
    color: var(--text-light);
    margin-bottom: 30px;
}

.pricing-features {
    text-align: left;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: 60px 0 100px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h2 {
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-method {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: var(--radius);
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: 4px;
    font-size: 1rem;
}

.contact-details p {
    color: var(--text-light);
    margin-bottom: 0;
    font-size: 0.95rem;
}

.social-links {
    margin-top: 40px;
}

.social-links h4 {
    margin-bottom: 16px;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    color: var(--text);
    border-radius: var(--radius);
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--primary);
    color: var(--white);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.contact-form h3 {
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===================================
   FAQ Section
   =================================== */
.faq {
    background: var(--gray-50);
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.faq-item {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.faq-item h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.faq-item p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--secondary);
    color: var(--gray-300);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: var(--white);
    display: inline-block;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--gray-300);
    line-height: 1.7;
}

.footer h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer ul li {
    margin-bottom: 12px;
}

.footer ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 0;
    font-size: 0.875rem;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero p {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        padding: 15px 0;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 30px;
    }
    
    .service-detail-card.reverse {
        direction: ltr;
    }
    
    .service-detail-icon {
        margin: 0 auto;
    }
    
    .service-features {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-features {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .pricing-card {
        padding: 30px 20px;
    }
}