:root {
    --primary-blue: #2563EB;
    --primary-purple: #7C3AED;
    --dark-blue: #1E3A8A;
    --light-blue: #DBEAFE;
    --light-purple: #EDE9FE;
    --text-main: #1F2937;
    --text-muted: #4B5563;
    --bg-main: #FAFAF9;
    --bg-white: #FFFFFF;
    --gradient-main: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Navbar */
.navbar {
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark-blue);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.nav-links {
    display: flex;
    gap: 32px;
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
    color: white;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.1), transparent 40%),
                radial-gradient(circle at bottom left, rgba(37, 99, 235, 0.1), transparent 40%);
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--light-purple);
    color: var(--primary-purple);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--dark-blue);
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-buttons.center {
    justify-content: center;
}

.btn-store {
    background: var(--bg-white);
    color: var(--text-main);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-md);
    padding: 12px 20px;
    gap: 12px;
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.btn-store i {
    font-size: 1.75rem;
    color: var(--primary-blue);
}

.btn-store span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
}

.btn-store strong {
    font-size: 1.125rem;
    font-weight: 700;
    display: block;
    line-height: 1.2;
}

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

.hero-features-text {
    font-size: 0.875rem !important;
    font-weight: 600;
    color: var(--dark-blue) !important;
    letter-spacing: 0.5px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    width: 320px;
    height: 650px;
    background: var(--bg-white);
    border-radius: 40px;
    box-shadow: var(--shadow-lg), 0 0 0 10px rgba(37, 99, 235, 0.05);
    border: 8px solid #1F2937;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 24px;
    background: #1F2937;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
}

.chat-bubble {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.875rem;
    max-width: 85%;
    animation: fadeIn 0.5s ease-out forwards;
    opacity: 0;
    transform: translateY(10px);
}

.chat-bubble:nth-child(1) { animation-delay: 0.2s; }
.chat-bubble:nth-child(2) { animation-delay: 1.2s; }
.chat-bubble:nth-child(3) { animation-delay: 2.2s; }
.chat-bubble:nth-child(4) { animation-delay: 3.2s; }
.chat-bubble:nth-child(5) { animation-delay: 4.2s; }

.chat-bubble.left {
    background: var(--light-blue);
    color: var(--dark-blue);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-bubble.right {
    background: var(--primary-blue);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-bubble.highlight {
    background: var(--primary-purple);
    color: white;
    font-weight: 600;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    color: var(--dark-blue);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.left-align {
    text-align: left;
    margin-left: 0;
}

.bg-light {
    background: var(--bg-white);
}

/* How it works */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.step-card {
    text-align: center;
    padding: 32px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
    border: 1px solid rgba(0,0,0,0.03);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-icon {
    width: 64px;
    height: 64px;
    background: var(--light-purple);
    color: var(--primary-purple);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 24px;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--dark-blue);
}

.step-card p {
    color: var(--text-muted);
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-item {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--bg-main);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: var(--gradient-main);
    color: white;
    transform: scale(1.02);
}

.feature-item i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 24px;
    transition: color 0.3s ease;
}

.feature-item:hover i {
    color: white;
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--dark-blue);
    transition: color 0.3s ease;
}

.feature-item:hover h4 {
    color: white;
}

.feature-item p {
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.feature-item:hover p {
    color: rgba(255, 255, 255, 0.9);
}

/* Why Us Split */
.split-section {
    display: flex;
    align-items: center;
    gap: 60px;
}

.split-content {
    flex: 1;
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.benefit-list li {
    display: flex;
    gap: 20px;
}

.benefit-list i {
    font-size: 1.5rem;
    color: var(--primary-purple);
    background: var(--light-purple);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.benefit-list h5 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    color: var(--dark-blue);
}

.benefit-list p {
    color: var(--text-muted);
}

.split-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.stats-card {
    background: var(--gradient-main);
    color: white;
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
}

.stat-number {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 16px;
}

.stats-card p {
    font-size: 1.125rem;
    font-weight: 500;
    opacity: 0.9;
}

.stat-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 32px 0;
}

.stat-desc {
    font-size: 0.875rem !important;
    opacity: 0.8 !important;
}

/* CTA Section */
.cta-section {
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.cta-container {
    background: var(--dark-blue);
    border-radius: 40px;
    padding: 80px 40px;
    text-align: center;
    color: white;
    background-image: radial-gradient(circle at top left, var(--primary-purple), transparent 50%),
                      radial-gradient(circle at bottom right, var(--primary-blue), transparent 50%);
}

.cta-container h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.cta-container p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Footer */
.footer {
    background: #111827;
    color: white;
    padding: 80px 0 24px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 2fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 20px;
    display: inline-flex;
}

.footer-brand p {
    color: #9CA3AF;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.link-group h4 {
    font-size: 1.125rem;
    margin-bottom: 24px;
    font-weight: 600;
}

.link-group a {
    display: block;
    color: #9CA3AF;
    margin-bottom: 12px;
}

.link-group a:hover {
    color: white;
}

.footer-newsletter h4 {
    font-size: 1.125rem;
    margin-bottom: 16px;
}

.footer-newsletter p {
    color: #9CA3AF;
    margin-bottom: 24px;
    font-size: 0.875rem;
}

.newsletter-form {
    display: flex;
    gap: 12px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1px solid #374151;
    background: #1F2937;
    color: white;
    outline: none;
}

.newsletter-form input:focus {
    border-color: var(--primary-purple);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #374151;
    color: #9CA3AF;
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container, .split-section {
        flex-direction: column;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        margin: 0 auto 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .left-align {
        text-align: center;
        margin: 0 auto 40px;
    }
    
    .benefit-list li {
        text-align: left;
    }
    
    .steps-grid, .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .steps-grid, .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto 32px;
    }
    
    .cta-container h2 {
        font-size: 2rem;
    }
}