/* ============================================
   COLOR CUSTOMIZATION
   ============================================
   Change these CSS variables to update the site colors.
   The primary color is your main brand accent color.
   ============================================ */

:root {
    /* Primary Brand Color - Change this to your preferred accent color */
    --color-primary: #61A991;
    --color-primary-dark: #325b4e;
    --color-primary-light: #61A991;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.5;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Container */
    --container-max-width: 1280px;
    --container-padding: 1.5rem;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--color-gray-200);
    background-color: var(--color-gray-900);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-700);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-white);
}

.logo-placeholder {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: 1rem;
}

.logo-image {
    height: 55px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

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

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

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-300);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

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

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

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

.btn-white:hover {
    background-color: var(--color-gray-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-icon {
    width: 24px;
    height: 24px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-primary-light);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-gray-400);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.download-badges {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.download-badge-footer {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.store-badge {
    height: 50px;
    width: auto;
    transition: transform var(--transition-fast);
}

.store-badge:hover {
    transform: scale(1.05);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

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

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
}

.phone-frame {
    width: 300px;
    background: var(--color-gray-900);
    border-radius: 2.5rem;
    padding: 0.75rem;
    box-shadow: var(--shadow-xl);
}

.phone-screen {
    width: 100%;
    aspect-ratio: 9 / 19.5;
    background: var(--color-white);
    border-radius: 2rem;
    overflow: hidden;
}

.screenshot-placeholder {
    width: 100%;
    height: 100%;
}

.screenshot-placeholder svg {
    width: 100%;
    height: 100%;
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   FEATURES OVERVIEW
   ============================================ */

.features-overview {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-900);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background-color: var(--color-gray-800);
    border: 2px solid var(--color-gray-700);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-gray-400);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-gray-400);
    line-height: 1.6;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */

.benefits {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-gray-800) 0%, var(--color-gray-900) 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-card {
    background-color: var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.benefit-icon {
    width: 56px;
    height: 56px;
    background-color: var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.benefit-icon svg {
    width: 28px;
    height: 28px;
}

.benefit-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.benefit-description {
    color: var(--color-gray-400);
    line-height: 1.6;
}

/* ============================================
   FEATURES SHOWCASE
   ============================================ */

.features-showcase {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-900);
}

.showcase-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.showcase-item.reverse {
    direction: rtl;
}

.showcase-item.reverse > * {
    direction: ltr;
}

.phone-mockup-small .phone-frame {
    width: 250px;
}

.showcase-content {
    padding: var(--spacing-md);
}

.showcase-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.showcase-description {
    font-size: 1.125rem;
    color: var(--color-gray-400);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.showcase-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.showcase-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-300);
}

.showcase-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    width: 100%;
}

.showcase-card {
    background-color: var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.showcase-features li::before {
    content: "✓";
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 700;
    flex-shrink: 0;
}

/* ============================================
   TESTIMONIALS
   ============================================ */

.testimonials {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-gray-800) 0%, var(--color-gray-900) 100%);
}

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

.testimonial-card {
    background-color: var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.testimonial-rating {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--color-gray-300);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
}

.author-name {
    font-weight: 600;
    color: var(--color-white);
}

.author-title {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

/* ============================================
   LEGAL PAGES
   ============================================ */

.legal-page {
    padding: var(--spacing-3xl) 0;
    min-height: 60vh;
}

.legal-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-xl);
}

.legal-content {
    max-width: 800px;
    color: var(--color-gray-300);
    line-height: 1.8;
}

.legal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.legal-content p {
    margin-bottom: var(--spacing-md);
}

.legal-content ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.legal-content li {
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-page {
    padding: var(--spacing-3xl) 0;
    min-height: 60vh;
}

.contact-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.contact-description {
    font-size: 1.125rem;
    color: var(--color-gray-400);
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
}

.contact-info-card {
    background-color: var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.contact-info-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.contact-info-text {
    color: var(--color-gray-400);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   DOWNLOAD CTA
   ============================================ */

.download-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    text-align: center;
}

.cta-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

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

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--color-gray-400);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-800);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: var(--color-gray-500);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .showcase-title {
        font-size: 1.5rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-cta {
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .showcase-pair {
        grid-template-columns: 1fr;
    }

    .showcase-item,
    .showcase-item.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .showcase-image {
        order: -1;
        display: flex;
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-3xl: 3rem;
        --container-padding: 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .phone-frame {
        width: 250px;
    }
    
    .phone-mockup-small .phone-frame {
        width: 200px;
    }
}