:root {
    /* App-matching colors - Teal/Cyan primary with Orange accent */
    --primary: #0891B2;
    --primary-dark: #0E7490;
    --primary-light: #22D3EE;
    --secondary: #F97316;
    --secondary-dark: #EA580C;
    --accent: #0EA5E9;

    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Semantic */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   HEADER
============================================ */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow 0.3s ease;
}

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

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo img {
    height: 48px;
    width: auto;
}

.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--gray-900);
}

.logo-text span {
    color: var(--primary);
}

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

.nav-links a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--gray-700);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================
   BUTTONS
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-white:hover {
    background: var(--gray-50);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

/* ============================================
   HERO SECTION
============================================ */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.03) 0%, rgba(14, 165, 233, 0.05) 100%);
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(8, 145, 178, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-logo {
    margin-bottom: 1.5rem;
}

.hero-logo img {
    max-width: 300px;
    height: auto;
}

.hero h1 {
    font-size: 3.25rem;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.hero h1 span {
    color: var(--primary);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    max-width: 520px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.hero-feature i {
    color: var(--success);
}

.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
}

.hero-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

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

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

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

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    background: rgba(8, 145, 178, 0.1);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-500);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.feature-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============================================
   SCREENSHOTS SECTION
============================================ */
.screenshots {
    padding: 100px 0;
    background: var(--gray-900);
}

.screenshots .section-header h2,
.screenshots .section-header p {
    color: var(--white);
}

.screenshots .section-header p {
    color: var(--gray-400);
}

.screenshot-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    border: 1px solid var(--gray-700);
    color: var(--gray-400);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    border-color: var(--gray-500);
    color: var(--white);
}

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

.screenshot-content {
    display: none;
}

.screenshot-content.active {
    display: block;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.screenshot-card {
    background: var(--gray-800);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--gray-700);
    transition: all 0.3s ease;
    cursor: pointer;
}

.screenshot-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.screenshot-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--gray-700);
}

.screenshot-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.3s ease;
}

.screenshot-card:hover .screenshot-image img {
    transform: scale(1.03);
}

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(8, 145, 178, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.screenshot-card:hover .screenshot-overlay {
    opacity: 1;
}

.screenshot-overlay i {
    font-size: 2rem;
    color: var(--white);
}

.screenshot-info {
    padding: 1.25rem;
}

.screenshot-info h4 {
    font-size: 1rem;
    color: var(--white);
    margin-bottom: 0.25rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.screenshot-info p {
    color: var(--gray-400);
    font-size: 0.85rem;
}

/* ============================================
   HOW IT WORKS
============================================ */
.how-it-works {
    padding: 100px 0;
    background: var(--gray-50);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-card:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 40px;
    right: -1rem;
    width: calc(100% - 80px);
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--primary-light));
    transform: translateX(50%);
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--white);
    border: 3px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    position: relative;
    z-index: 1;
}

.step-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.step-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    margin-top: 4rem;
    align-items: start;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 2.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.02);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 0.4rem 1.25rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
}

.pricing-subtitle {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.price-wrapper {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.price {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
}

.price-period {
    color: var(--gray-500);
    font-size: 1rem;
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.6rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.pricing-features i {
    margin-top: 3px;
    font-size: 0.8rem;
}

.pricing-features i.fa-check {
    color: var(--success);
}

.pricing-features i.fa-times {
    color: var(--gray-300);
}

.pricing-card .btn {
    width: 100%;
}

/* ============================================
   TESTIMONIALS
============================================ */
.testimonials {
    padding: 100px 0;
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 2rem;
}

.testimonial-stars {
    color: var(--warning);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.testimonial-content {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
}

.author-info h4 {
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.author-info p {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* ============================================
   CTA SECTION
============================================ */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ============================================
   FOOTER
============================================ */
footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 4rem 0 2rem;
}

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

.footer-brand {
    max-width: 280px;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    text-decoration: none;
    transition: all 0.2s ease;
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-col h4 {
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.6rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--gray-400);
    font-size: 0.9rem;
}

.footer-contact i {
    color: var(--primary);
    margin-top: 3px;
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.85rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: var(--gray-500);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

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

/* ============================================
   LIGHTBOX
============================================ */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.lightbox-close:hover {
    opacity: 1;
}

.lightbox-caption {
    text-align: center;
    color: var(--white);
    margin-top: 1rem;
    font-size: 1rem;
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

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

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

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

    .hero-visual {
        max-width: 600px;
        margin: 0 auto;
    }

    .features-grid,
    .screenshot-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .step-card:not(:last-child)::after {
        display: none;
    }

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

    .pricing-card.featured {
        transform: none;
    }
}

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

    .mobile-toggle {
        display: block;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-logo img {
        max-width: 200px;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }

    .features-grid,
    .screenshot-grid,
    .pricing-grid,
    .testimonials-grid,
    .steps-container {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

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

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.875rem;
    }

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

    .hero-cta .btn {
        width: 100%;
    }

    .screenshot-tabs {
        gap: 0.25rem;
    }

    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}