/*
===============================================
ENGAGE LANDING PAGE - STYLES
===============================================
Minimal, clean design inspired by speak.com
Easy to customize with CSS variables
===============================================
*/

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800&display=swap');

/* ============================================= */
/* CSS Variables - Easy Customization */
/* ============================================= */
:root {
    /* Colors - CUSTOMIZE THESE */
    --color-primary: #1a1a1a;
    --color-text: #1a1a1a;
    --color-text-light: #4a5568;
    --color-text-lighter: #718096;
    --color-background: #ffffff;
    --color-background-alt: #f7f7f7;
    --color-border: #e2e8f0;
    --color-hover: #2d3748;

    /* Typography */
    --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 64px;
    --spacing-2xl: 96px;
    --spacing-3xl: 128px;

    /* Container */
    --container-max-width: 1200px;
    --container-padding: 20px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-background);
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

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

/* ============================================= */
/* Container */
/* ============================================= */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================= */
/* Navigation */
/* ============================================= */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.nav.scrolled {
    border-bottom-color: var(--color-border);
    background-color: rgba(255, 255, 255, 0.95);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo {
    height: 40px;
    width: auto;
}

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

.nav-link {
    font-size: 15px;
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-link.active {
    color: var(--color-primary);
    font-weight: 700;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-base);
}

/* ============================================= */
/* Hero Section */
/* ============================================= */
.hero {
    padding: var(--spacing-xl) 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text {
    padding: var(--spacing-md);
}

.app-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.hero-title {
    font-size: clamp(48px, 6vw, 64px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.app-store-button {
    display: inline-block;
}

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

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

.hero-image {
    text-align: center;
}

.phone-mockup {
    max-width: 380px;
    margin: 0 auto;
    border-radius: 20px;
}

/* ============================================= */
/* Features Section with Screenshots */
/* ============================================= */
.features {
    padding: var(--spacing-xl) 0;
}

.feature-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.feature-showcase:last-child {
    margin-bottom: 0;
}

/* Reverse layout for alternating design */
.feature-showcase-reverse {
    direction: rtl;
}

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

.feature-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-screenshot {
    width: 100%;
    max-width: 260px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: transform var(--transition-base);
}

.feature-screenshot:hover {
    transform: scale(1.02);
}

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

.feature-showcase-title {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    line-height: 1.2;
}

.feature-showcase-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-light);
}


/* ============================================= */
/* CTA Section */
/* ============================================= */
.cta {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-background-alt);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(32px, 5vw, 42px);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.cta-subtitle {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* ============================================= */
/* Footer */
/* ============================================= */
.footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.footer-link {
    font-size: 14px;
    color: var(--color-text-light);
}

.footer-link:hover {
    color: var(--color-text);
}

.footer-separator {
    color: var(--color-text-lighter);
}

.footer-copyright {
    font-size: 14px;
    color: var(--color-text-lighter);
}

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

.icon-link {
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.icon-link:hover {
    color: var(--color-primary);
}

/* ============================================= */
/* Legal Pages */
/* ============================================= */
.legal-page {
    min-height: 100vh;
    padding: var(--spacing-xl) 0;
}

.legal-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.legal-title {
    font-size: clamp(36px, 5vw, 48px);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.legal-updated {
    font-size: 14px;
    color: var(--color-text-lighter);
    margin-bottom: var(--spacing-xl);
}

.legal-content {
    line-height: 1.8;
}

.legal-content h2 {
    font-size: 28px;
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.legal-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

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

.legal-content ul,
.legal-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
    color: var(--color-text-light);
}

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

.legal-content a {
    color: var(--color-primary);
    text-decoration: underline;
}

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

.legal-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.legal-footer p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.legal-footer a {
    color: var(--color-primary);
    font-weight: 500;
}

/* ============================================= */
/* Responsive Design */
/* ============================================= */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 48px;
        --spacing-2xl: 64px;
        --spacing-3xl: 80px;
    }

    /* Mobile Navigation */
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 65px;
        left: 0;
        right: 0;
        background-color: var(--color-background);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    /* Hero */
    .hero {
        padding: var(--spacing-xl) 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .hero-text {
        padding: var(--spacing-sm);
    }

    .app-icon {
        width: 80px;
        height: 80px;
        margin-left: auto;
        margin-right: auto;
    }

    .phone-mockup {
        max-width: 300px;
    }

    /* Features with Screenshots */
    .feature-showcase {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-2xl);
    }

    .feature-showcase-reverse {
        direction: ltr;
    }

    .feature-screenshot {
        max-width: 100%;
        margin: 0 auto;
    }

    .feature-content {
        text-align: center;
        padding: var(--spacing-sm);
    }

    .feature-showcase-title {
        font-size: 28px;
    }

    .feature-showcase-description {
        font-size: 16px;
    }

    /* Footer */
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .footer-separator {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 16px;
    }

    .legal-content h2 {
        font-size: 24px;
    }

    .legal-content h3 {
        font-size: 20px;
    }
}

/* ============================================= */
/* Utility Classes */
/* ============================================= */
.text-center {
    text-align: center;
}

.hidden {
    display: none;
}

/* ============================================= */
/* Print Styles */
/* ============================================= */
@media print {

    .nav,
    .footer,
    .app-store-button {
        display: none;
    }

    .legal-page {
        padding: 0;
    }
}