/* Reset & Base Styles - Manga Pop / Neo-Brutalist */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    /* Manga Pop Palette */
    --bg-body: #ffffff;
    --bg-surface: #ffffff;
    --bg-surface-alt: #f0f0f0; /* Light Gray for contrast patterns */
    
    /* VIBRANT ACCENTS */
    --primary-color: #ff90e8; /* Pop Pink */
    --secondary-color: #ffc900; /* Manga Yellow */
    --accent-color: #23a094; /* Retro Teal */
    --action-color: #000000; /* Black for text/borders */
    
    /* Text Colors */
    --text-primary: #000000;
    --text-secondary: #000000; /* High contrast always */
    
    /* Borders & Shadows - THE BRUTALIST LOOK */
    --border-black: 3px solid #000000;
    --border-thin: 2px solid #000000;
    
    /* Hard Shadows - No Blur */
    --shadow-pop: 5px 5px 0px 0px #000000;
    --shadow-pop-hover: 2px 2px 0px 0px #000000;
    --shadow-pop-large: 8px 8px 0px 0px #000000;
    
    /* Typography */
    --font-heading: 'Space Grotesk', 'Archivo Black', sans-serif;
    --font-body: 'Space Grotesk', 'Inter', sans-serif;
    
    --radius-sm: 0px; /* Sharp corners preferred, maybe slight rounded for "sticker" look */
    --radius-md: 8px; /* Slight round for "sticker" feel */
    --radius-lg: 12px;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-body);
    /* Manga Dot Pattern Background */
    background-image: radial-gradient(#000 1px, transparent 1px);
    background-size: 20px 20px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.1;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -1px;
}

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

/* Navigation - Chunky & Bold */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: var(--border-black);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

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

.nav-brand h2 {
    font-size: 2rem;
    font-weight: 900;
    color: #000;
    background: var(--secondary-color); /* Highlight background */
    padding: 0 10px;
    border: var(--border-thin);
    box-shadow: 3px 3px 0 0 #000;
    transform: rotate(-2deg);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #000;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    padding: 5px 10px;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.nav-menu a:hover {
    background: var(--primary-color);
    border: var(--border-black);
    box-shadow: 3px 3px 0 0 #000;
    transform: translateY(-2px);
}

.btn-download {
    background: #000 !important;
    color: #fff !important;
    border: var(--border-thin);
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 900 !important;
    box-shadow: 4px 4px 0 0 var(--accent-color);
    transition: all 0.2s;
}

.btn-download:hover {
    transform: translate(2px, 2px) !important;
    box-shadow: 2px 2px 0 0 var(--accent-color) !important;
}

/* Mobile Menu Toggle - Boxy */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 2000;
    position: relative;
    border: var(--border-thin);
    padding: 8px;
    background: white;
    box-shadow: 3px 3px 0 0 #000;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: #000;
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background: white; /* Clear dot pattern for readability if needed, or keeping it transparent */
    position: relative;
    overflow: hidden;
    border-bottom: var(--border-black);
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: #000;
    text-shadow: 4px 4px 0px white, 6px 6px 0px #000; /* Pop shadow */
}

.hero-title span {
    background: var(--primary-color);
    padding: 0 10px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #000;
    font-weight: 500;
    margin-bottom: 2.5rem;
    background: white;
    border: var(--border-thin);
    padding: 1.5rem;
    box-shadow: var(--shadow-pop);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 800;
    text-transform: uppercase;
    transition: all 0.2s;
    cursor: pointer;
    font-size: 1.1rem;
    border: var(--border-black);
}

.btn-primary {
    background: var(--secondary-color);
    color: #000;
    box-shadow: var(--shadow-pop);
}

.btn-primary:hover {
    transform: translate(2px, 2px);
    box-shadow: var(--shadow-pop-hover);
    background: #ffdb4d;
}

.badge {
    display: inline-block;
    background: #000;
    color: #fff;
    padding: 0.5rem 1rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    transform: rotate(-1deg);
    box-shadow: 3px 3px 0 0 var(--secondary-color);
}

/* Hero Image / Phone Mockup - Comic Style */
.hero-image {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 320px;
    height: 640px;
    background: #fff;
    border-radius: 40px;
    padding: 15px;
    border: 4px solid #000;
    box-shadow: 15px 15px 0 0 rgba(0,0,0,0.2);
    position: relative;
    transform: rotate(3deg);
    transition: transform 0.5s ease;
}

.phone-mockup:hover {
    transform: rotate(0);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    border: 2px solid #000;
}

/* Sections Common */
.section-title {
    font-size: 3rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 1rem;
    color: #000;
    text-transform: uppercase;
    
    /* Underline effect */
    display: inline-block;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    display: block;
    width: 100%;
    height: 8px;
    background: var(--accent-color);
    position: absolute;
    bottom: 5px;
    left: 0;
    z-index: -1;
}

.section-description {
    font-size: 1.25rem;
    color: #000;
    text-align: center;
    max-width: 700px;
    margin: 1.5rem auto 4rem;
    font-weight: 500;
}

/* Features Detailed */
.features-section {
    padding: 100px 0;
    background: var(--primary-color); /* Bold section background */
    border-bottom: var(--border-black);
}

.features-detailed {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

/* Pop Art Card */
.glass-card, .feature-card {
    background: white;
    border: var(--border-black);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-pop);
}

.glass-card:hover, .feature-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 8px 8px 0 0 #000;
    background: #fff;
}

.feature-icon-large {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    filter: drop-shadow(3px 3px 0px #000);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
}

.feature-card p {
    color: #000;
    font-weight: 500;
}

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

.stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border: var(--border-black);
    box-shadow: var(--shadow-pop);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: #000;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-weight: 700;
    text-transform: uppercase;
    background: var(--primary-color);
    display: inline-block;
    padding: 2px 8px;
}

/* Pricing / Free */
.pricing-section {
    background: white !important;
    margin: 4rem 20px !important;
    border: var(--border-black) !important;
    box-shadow: var(--shadow-pop-large) !important;
    border-radius: var(--radius-lg) !important;
}

.free-feature-card {
    background: var(--bg-surface-alt);
    border: var(--border-thin);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    transition: 0.2s;
}

.free-feature-card:hover {
    background: var(--secondary-color);
    transform: rotate(1deg);
}

.free-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.free-feature-card h3 {
    font-weight: 800;
    text-transform: uppercase;
}

/* FAQ */
.faq-section {
    padding: 100px 0;
    background: white;
}

.faq-item {
    background: white;
    border: var(--border-black);
    padding: 1.5rem 2rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-pop);
    transition: all 0.2s;
    cursor: pointer;
}

.faq-item:hover {
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0 0 #000;
}

.faq-question {
    font-size: 1.2rem;
    color: #000;
    font-weight: 800;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    color: #000;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px dashed #000; /* Fun dashed border */
    font-weight: 500;
}

/* Download CTA */
.download-section {
    padding: 80px 0;
    margin: 80px 20px;
    background: #000;
    border-radius: var(--radius-lg);
    text-align: center;
    color: white;
    box-shadow: 10px 10px 0 0 var(--accent-color);
    border: 3px solid #000;
}

.download-content h2 {
    color: var(--secondary-color);
    font-size: 3rem;
}

.download-content p {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.download-section .btn-primary {
    background: white;
    color: #000;
    box-shadow: 5px 5px 0 0 var(--primary-color);
}

.download-section .btn-primary:hover {
    background: var(--secondary-color);
    box-shadow: 3px 3px 0 0 var(--primary-color);
}

/* Footer */
.footer {
    background: white;
    border-top: var(--border-black);
    padding: 80px 0 40px;
}

.footer-brand h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: #000;
    color: white;
    display: inline-block;
    padding: 5px 10px;
    transform: rotate(-2deg);
}

.footer-links h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    border-bottom: 4px solid var(--primary-color);
    display: inline-block;
}

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

.footer-links a {
    color: #000;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.8rem;
}

.footer-links a:hover {
    color: var(--accent-color);
    text-decoration: underline;
    text-decoration-thickness: 3px;
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px dashed #000;
    text-align: center;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        padding: 0 20px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--secondary-color); /* Yellow background for menu */
        border-left: var(--border-black);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        box-shadow: none;
    }

    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-menu a {
        font-size: 2rem;
        font-weight: 900;
        color: #000;
        text-shadow: 2px 2px 0px white;
    }
    
    .nav-menu a:hover {
        background: white;
        transform: rotate(-2deg);
    }

    .mobile-menu-toggle {
        display: flex;
        z-index: 2001; /* Above menu */
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
        margin-bottom: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
}