/* ===== ROOT VARIABLES ===== */
:root {
    --primary-orange: #FF9500;
    --primary-red: #E63946;
    --secondary-blue: #3498db;
    --success-green: #2ecc71;
    --dark: #1a1a1a;
    --dark-secondary: #2d2d2d;
    --light: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-900: #212529;
    
    --gradient-primary: linear-gradient(135deg, var(--primary-orange), var(--primary-red));
    --gradient-cool: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hero: linear-gradient(135deg, rgba(255, 149, 0, 0.1) 0%, rgba(230, 57, 70, 0.05) 100%);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--light);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

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

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--light);
    box-shadow: 0 4px 15px rgba(255, 149, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 149, 0, 0.4);
}

.btn-secondary {
    background: var(--light);
    color: var(--dark);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    border-color: var(--primary-orange);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

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

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

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

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 24px;
}

.logo-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.logo-icon-footer {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

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

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

.nav-links a:not(.btn):hover {
    color: var(--primary-orange);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

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

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

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
}

/* ===== PHONE MOCKUP ===== */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    z-index: 1;
}

.phone-frame {
    width: 300px;
    height: 600px;
    background: var(--dark);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screenshot-placeholder {
    text-align: center;
    color: white;
}

.screenshot-placeholder i {
    font-size: 80px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.screenshot-placeholder p {
    font-size: 14px;
    opacity: 0.7;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 28px;
}

/* Floating cards */
.floating-card {
    position: absolute;
    background: white;
    padding: 16px 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 24px;
    color: var(--primary-orange);
}

.card-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -15%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 10%;
    left: -5%;
    animation-delay: 2s;
}

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

/* ===== APP SCREENSHOTS SECTION ===== */
.screenshots-section {
    padding: 100px 0;
    background: var(--gray-100);
}

.screenshots-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.screenshot-item {
    text-align: center;
}

.screenshot-frame {
    background: var(--dark);
    border-radius: 32px;
    padding: 10px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.screenshot-frame:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.screenshot-frame img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    display: block;
}

.screenshot-caption {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-top: 20px;
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--gray-600);
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 100px 0;
    background: var(--light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: 100px 0;
    background: var(--gray-100);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    position: relative;
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    color: white;
    margin-bottom: 24px;
}

.step-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== PRICING SECTION ===== */
.pricing {
    padding: 100px 0;
    background: var(--light);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    transition: all var(--transition-normal);
}

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

.pricing-card.featured {
    border-color: var(--primary-orange);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-5px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    padding-bottom: 32px;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin: 16px 0;
}

.currency {
    font-size: 24px;
    font-weight: 600;
    margin-top: 8px;
}

.amount {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
}

.price-period {
    color: var(--gray-600);
    font-size: 16px;
}

.savings-badge {
    display: inline-block;
    background: var(--success-green);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 8px;
}

.features-list {
    list-style: none;
    margin-bottom: 32px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 16px;
}

.features-list i {
    color: var(--success-green);
    font-size: 18px;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    padding: 100px 0;
    background: var(--gray-100);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.stars {
    color: var(--primary-orange);
    font-size: 20px;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 24px;
    color: var(--gray-900);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
}

.author-name {
    font-weight: 600;
    font-size: 16px;
}

.author-title {
    font-size: 14px;
    color: var(--gray-600);
}

/* ===== CTA SECTION ===== */
.cta {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    margin-bottom: 20px;
}

.cta-note {
    font-size: 14px;
    opacity: 0.8;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 24px;
    margin-bottom: 16px;
}

.footer-section p {
    color: var(--gray-300);
    line-height: 1.6;
    margin-bottom: 24px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--dark-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-orange);
    transform: translateY(-2px);
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-orange);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--dark-secondary);
    color: var(--gray-600);
}

/* ===== VIDEO MODAL ===== */
.video-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.video-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-modal-content {
    position: relative;
    width: 80%;
    max-width: 900px;
    animation: slideUp 0.4s ease;
}

.video-modal-content video {
    width: 100%;
    max-height: 70vh;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    object-fit: contain;
}

.close-modal {
    position: absolute;
    top: -50px;
    right: -10px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid white;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10001;
}

.close-modal:hover {
    transform: scale(1.2);
    color: var(--primary-orange);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-normal);
        pointer-events: none;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-large {
        width: 100%;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .stat-item {
        text-align: center;
    }
    
    .features-grid,
    .steps,
    .pricing-cards,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .video-modal-content {
        width: 95%;
        max-width: none;
        padding: 0 10px;
    }
    
    .video-modal-content video {
        max-height: 60vh;
    }
    
    .close-modal {
        top: -60px;
        font-size: 20px;
        width: 40px;
        height: 40px;
    }
    
    .screenshots-carousel {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

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

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

/* Smooth scroll */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}