@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff;
    --dark: #0f172a;
    --gray-700: #334155;
    --gray-500: #64748b;
    --gray-400: #94a3b8;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --white: #ffffff;
    --success: #10b981;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--white);
    color: var(--dark);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

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

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--gray-200);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

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

nav ul {
    display: flex;
    gap: 8px;
    align-items: center;
}

nav ul li {
    position: relative;
}

nav ul li a {
    color: var(--gray-500);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: 8px;
    display: block;
}

nav ul li a:hover {
    color: var(--dark);
    background: var(--gray-100);
}

nav ul li.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 220px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    padding: 8px;
    margin-top: 8px;
    flex-direction: column;
    align-items: stretch;
}

.dropdown-menu li a {
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--gray-700);
}

.dropdown-menu li a:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-cta {
    background: var(--primary) !important;
    color: var(--white) !important;
    border-radius: 8px !important;
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hero {
    padding: 160px 32px 100px;
    background: linear-gradient(180deg, var(--primary-light) 0%, var(--white) 100%);
}

.hero-inner {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--dark);
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.25rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto 40px;
}

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

.btn {
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,99,235,0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 80px;
}

.hero-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 24px;
    text-align: left;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.hero-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hero-card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.hero-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.hero-card p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin: 0;
}

.section {
    padding: 100px 32px;
}

.section-alt {
    background: var(--gray-100);
}

.section-dark {
    background: var(--dark);
    color: var(--white);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 20px;
}

.section-header.center {
    text-align: center;
}

.section-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 700;
}

.section-header h2 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--dark);
}

.section-dark .section-header h2 {
    color: var(--white);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 550px;
}

.section-header.center p {
    margin: 0 auto;
}

.section-dark .section-header p {
    color: var(--gray-400);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.step {
    position: relative;
}

.step::after {
    content: '→';
    position: absolute;
    right: -24px;
    top: 30px;
    font-size: 1.5rem;
    color: var(--gray-400);
}

.step:last-child::after {
    display: none;
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--white);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step p {
    font-size: 0.95rem;
    color: var(--gray-500);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.7;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.pricing-card.featured {
    border-color: var(--primary);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-tier {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 4px;
}

.pricing-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.pricing-card .price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-500);
}

.pricing-card ul {
    margin-bottom: 28px;
}

.pricing-card li {
    padding: 10px 0;
    color: var(--gray-700);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.stats-section {
    background: var(--dark);
    color: var(--white);
    padding: 80px 32px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
    max-width: 1280px;
    margin: 0 auto;
}

.stat-value {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.content-grid.reverse {
    direction: rtl;
}

.content-grid.reverse > * {
    direction: ltr;
}

.content-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--dark);
}

.content-text p {
    color: var(--gray-500);
    margin-bottom: 16px;
    line-height: 1.8;
}

.content-text ul {
    margin: 24px 0;
}

.content-text ul li {
    padding: 10px 0;
    padding-left: 28px;
    position: relative;
    color: var(--gray-700);
}

.content-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.specs-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
}

.specs-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-200);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    color: var(--gray-500);
}

.spec-value {
    font-weight: 600;
    color: var(--primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.benefit-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
}

.benefit-text h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.benefit-text p {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin: 0;
}

.cta-section {
    text-align: center;
    background: linear-gradient(180deg, var(--white) 0%, var(--primary-light) 100%);
    padding: 100px 32px;
}

.cta-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 24px;
    padding: 60px;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.cta-card h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-card p {
    color: var(--gray-500);
    font-size: 1.1rem;
    margin-bottom: 22px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-hero {
    padding: 160px 32px 80px;
    background: linear-gradient(180deg, var(--primary-light) 0%, var(--white) 100%);
    text-align: center;
}

.page-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 1.2rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

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

.contact-info h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--gray-500);
    margin-bottom: 32px;
    line-height: 1.8;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.contact-item strong {
    display: block;
    margin-bottom: 4px;
}

.contact-item a {
    color: var(--primary);
}

.contact-form {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    background: var(--white);
}

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

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

footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 80px 32px 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    max-width: 1280px;
    margin: 0 auto;
}

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

.footer-brand .logo-icon {
    background: var(--primary);
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.8;
    max-width: 280px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

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

.footer-col a {
    color: var(--gray-400);
    font-size: 0.95rem;
}

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

.footer-bottom {
    max-width: 1280px;
    margin: 60px auto 0;
    padding-top: 40px;
    border-top: 1px solid #1e293b;
    text-align: center;
    font-size: 0.9rem;
}

@media (max-width: 1024px) {
    .hero-cards,
    .steps-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .content-grid.reverse {
        direction: ltr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step::after {
        display: none;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.tldr-box {
    background: var(--white);
    border: 2px solid var(--primary);
    border-radius: 12px;
    padding: 20px 24px;
    margin: 30px auto;
    max-width: 700px;
    text-align: left;
    box-shadow: var(--shadow);
}

.tldr-box strong {
    color: var(--primary);
    font-size: 1rem;
}

.tldr-box ul {
    margin: 12px 0 0 0;
    padding-left: 20px;
}

.tldr-box li {
    color: var(--gray-700);
    padding: 4px 0;
    font-size: 0.95rem;
}

.direct-answer {
    font-size: 1.1rem;
    color: var(--gray-600);
    background: var(--primary-light);
    padding: 16px 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    margin-top: 12px;
}

.quick-answer {
    background: var(--gray-100);
    border-radius: 12px;
    padding: 24px;
    margin: 20px 0;
}

.quick-answer h4 {
    color: var(--primary);
    margin-bottom: 8px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.comparison-table th {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover td {
    background: var(--primary-light);
}

.entity-definition {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 30px;
    margin: 30px 0;
}

.entity-definition h3 {
    color: var(--primary);
    margin-bottom: 12px;
}

.answer-box {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 24px;
    margin: 20px 0;
    box-shadow: var(--shadow);
}

.answer-box .question {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

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

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        padding: 20px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        border-top: 1px solid var(--gray-200);
    }
    
    nav.active {
        transform: translateX(0);
    }
    
    nav ul {
        flex-direction: column;
        gap: 8px;
    }
    
    nav ul li a {
        padding: 14px 16px;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--gray-100);
        margin: 8px 0;
        display: none;
    }
    
    nav ul li.dropdown.active .dropdown-menu {
        display: block;
    }
    
    .header-inner {
        padding: 12px 20px;
    }
    
    .hero {
        padding: 140px 20px 60px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-cards,
    .steps-grid,
    .pricing-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: 60px 20px;
    }
    
    .page-hero {
        padding: 140px 20px 60px;
    }
    
    .page-hero h1 {
        font-size: 2.5rem;
    }
    
    .cta-card {
        padding: 40px 24px;
    }
    
    .cta-card h2 {
        font-size: 2rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: none;
    }
}