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

:root {
    --primary-color: #002F5F;
    --secondary-color: #0056CC;
    --accent-color: #00D4FF;
    --background-color: #F2F2F7;
    --surface-color: #FFFFFF;
    --text-primary: #1C1C1E;
    --text-secondary: #6D6D70;
    --text-tertiary: #8E8E93;
    --border-color: #E5E5EA;
    --gradient-primary: linear-gradient(135deg, #002F5F 0%, #0056CC 100%);
    --gradient-secondary: linear-gradient(135deg, #00D4FF 0%, #0056CC 100%);
    --shadow-light: 0 2px 10px rgba(0, 47, 95, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 47, 95, 0.15);
    --shadow-heavy: 0 8px 40px rgba(0, 47, 95, 0.2);
    --border-radius: 12px;
    --border-radius-large: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link.cta-button {
    background: var(--gradient-primary);
    color: white;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: white;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--gradient-primary);
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--gradient-secondary);
    top: 60%;
    right: -5%;
    animation-delay: 2s;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #00D4FF 0%, #FF6B6B 100%);
    top: 30%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-light);
}

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

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

.btn-secondary:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.platform-availability {
    margin-bottom: 40px;
}

.platform-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    text-align: center;
}

.platform-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.platform-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 20px;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    min-width: 100px;
    border: 2px solid transparent;
}

.platform-badge:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.platform-badge.web {
    border-color: var(--secondary-color);
}

.platform-badge.ios {
    border-color: #A6A6A6;
}

.platform-badge.android {
    border-color: #3DDC84;
}

.platform-badge i {
    font-size: 2rem;
    margin-bottom: 8px;
}

.platform-badge.web i {
    color: var(--secondary-color);
}

.platform-badge.ios i {
    color: #A6A6A6;
}

.platform-badge.android i {
    color: #3DDC84;
}

.platform-badge span {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.platform-badge small {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

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

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    margin: 0 auto;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 20px;
    box-shadow: var(--shadow-heavy);
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    transition: var(--transition);
}

.phone-mockup:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(2deg) scale(1.05);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--surface-color);
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}

.app-preview {
    padding: 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.receipt-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-light);
    width: 100%;
    max-width: 250px;
}

.receipt-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.merchant-logo {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 8px;
}

.merchant-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.merchant-info p {
    font-size: 12px;
    color: var(--text-secondary);
}

.receipt-items {
    margin-bottom: 16px;
}

.item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
}

.receipt-total {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: var(--surface-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--surface-color);
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-color: var(--secondary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
}

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

/* How It Works Section */
.how-it-works {
    padding: 120px 0;
    background: var(--background-color);
}

.steps-container {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 80px;
    position: relative;
}

.step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
}

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

.step-visual {
    width: 120px;
    height: 120px;
    background: var(--gradient-secondary);
    border-radius: var(--border-radius-large);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-visual i {
    font-size: 3rem;
    color: white;
}

/* User Types Section */
.user-types {
    padding: 120px 0;
    background: var(--surface-color);
}

.user-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.user-type-card {
    background: var(--surface-color);
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    text-align: center;
}

.user-type-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.user-type-card.featured {
    border-color: var(--secondary-color);
    transform: scale(1.05);
}

.user-type-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.free-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

.user-icon {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.user-icon i {
    font-size: 2.5rem;
    color: white;
}

.user-type-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.benefits h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 16px;
    text-align: left;
}

.user-type-card ul {
    list-style: none;
    text-align: left;
}

.user-type-card li {
    padding: 12px 0;
    color: var(--text-secondary);
    line-height: 1.6;
    border-bottom: 1px solid var(--border-color);
}

.user-type-card li:last-child {
    border-bottom: none;
}

.user-type-card li strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background: var(--background-color);
}

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

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.contact-info p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.1rem;
}

.contact-item i {
    width: 24px;
    color: var(--secondary-color);
}

.contact-form {
    background: var(--surface-color);
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    background: var(--surface-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 204, 0.1);
}

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

/* Footer */
.footer {
    background: var(--surface-color);
    color: var(--text-primary);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo .logo {
    border-radius: 8px;
}

.footer-logo .logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

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

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

.footer-links a:hover {
    color: var(--secondary-color);
}

.footer-social {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--background-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .platform-badges {
        gap: 16px;
    }
    
    .platform-badge {
        min-width: 80px;
        padding: 12px 16px;
    }
    
    .platform-badge i {
        font-size: 1.5rem;
    }
    
    .platform-badge span {
        font-size: 1rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
        transform: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column !important;
        text-align: center;
        gap: 24px;
    }
    
    .step-visual {
        width: 80px;
        height: 80px;
    }
    
    .step-visual i {
        font-size: 2rem;
    }
    
    .user-types-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .user-type-card {
        padding: 30px;
    }
    
    .user-type-card.featured {
        transform: none;
    }
    
    .user-type-card.featured:hover {
        transform: translateY(-8px);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .feature-card,
    .contact-form {
        padding: 24px;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Success States */
.success {
    color: #10B981;
}

.error {
    color: #EF4444;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}