/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --secondary: #8B5CF6;
    --accent-pink: #EC4899;
    --accent-orange: #F59E0B;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-dark: #111827;
    --border: #E5E7EB;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 5rem 2rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 1.5rem;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, #F9FAFB 0%, #EEF2FF 100%);
    margin-top: 4rem;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

/* Hero Visual */
.visual-placeholder {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding: 2rem;
    animation: float 6s ease-in-out infinite;
}

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

.grid-item {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-lg);
    animation: pulse 3s ease-in-out infinite;
}

.grid-item.item-1 {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    animation-delay: 0s;
}

.grid-item.item-2 {
    background: linear-gradient(135deg, var(--secondary), var(--accent-pink));
    animation-delay: 0.5s;
}

.grid-item.item-3 {
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-orange));
    animation-delay: 1s;
}

.grid-item.item-4 {
    background: linear-gradient(135deg, var(--accent-orange), var(--primary));
    animation-delay: 1.5s;
}

.grid-item.item-5 {
    background: linear-gradient(135deg, var(--primary), var(--accent-pink));
    animation-delay: 2s;
}

.grid-item.item-6 {
    background: linear-gradient(135deg, var(--secondary), var(--accent-orange));
    animation-delay: 2.5s;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #F9FAFB 0%, #EEF2FF 100%);
}

.steps {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1rem;
    align-items: start;
}

.step {
    grid-column: span 2;
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-connector {
    grid-column: span 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.step-connector::before {
    content: '';
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    position: absolute;
    top: 80px;
}

/* Benefits Section */
.benefits {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefits-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
}

.benefit-check {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 700;
}

.benefit-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.benefit-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* CTA Section */
.cta {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
}

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

.cta-content > p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-form input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.cta-form button {
    white-space: nowrap;
}

.cta-note {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 2rem 2rem;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .visual-placeholder {
        height: 300px;
    }

    .visual-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-item {
        width: 80px;
        height: 80px;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .step {
        grid-column: span 1;
    }

    .step-connector {
        display: none;
    }

    .benefits-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
    }

    .hero {
        padding: 6rem 0 4rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta a {
        width: 100%;
        text-align: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-form {
        flex-direction: column;
    }

    .cta-form input {
        min-width: 100%;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    :root {
        --section-padding: 3rem 1rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .visual-grid {
        gap: 0.5rem;
        padding: 1rem;
    }

    .grid-item {
        width: 60px;
        height: 60px;
    }

    .step {
        padding: 1.5rem;
    }
}

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

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