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

:root {
    /* Light theme (default) */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --text-primary: #212121;
    --text-secondary: #666666;
    --accent-primary: #FF5252;
    --accent-hover: #D32F2F;
    --border-color: #E0E0E0;
    --shadow: rgba(0, 0, 0, 0.1);
    --card-bg: #FFFFFF;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1E1E1E;
        --bg-secondary: #2A2A2A;
        --text-primary: #E0E0E0;
        --text-secondary: #A0A0A0;
        --accent-primary: #FF5252;
        --accent-hover: #D32F2F;
        --border-color: #404040;
        --shadow: rgba(0, 0, 0, 0.5);
        --card-bg: #2A2A2A;
    }
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.speading-signature {
    letter-spacing: -3px;
}

.speading-nav {
    color: var(--text-primary);
    font-size: 32px;
}

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

/* Logo visibility based on theme */
.logo-light,
.footer-logo-light {
    display: block;
}

.logo-dark,
.footer-logo-dark {
    display: none;
}

@media (prefers-color-scheme: dark) {
    .logo-light,
    .footer-logo-light {
        display: none;
    }

    .logo-dark,
    .footer-logo-dark {
        display: block;
    }
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

@media (prefers-color-scheme: dark) {
    .navbar {
        background-color: rgba(30, 30, 30, 0.95);
    }
}

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

.logo img {
    height: 40px;
    width: auto;
}

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

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* Buttons */
.btn-primary {
    background: var(--accent-primary);
    color: white;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

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

.hero-text h1 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.stats {
    display: flex;
    gap: 48px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
}

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

.app-showcase {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 24px;
    box-shadow: 0 20px 60px var(--shadow);
}

/* Features Section */
.features {
    padding: 100px 0;
}

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

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px var(--shadow);
    border-color: var(--accent-primary);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

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

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

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    margin-bottom: 80px;
    flex-wrap: wrap;
}

.step {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    border: 1px solid var(--border-color);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    margin: 0 auto 24px;
}

.step h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step p {
    color: var(--text-secondary);
}

.step-arrow {
    font-size: 32px;
    color: var(--accent-primary);
    font-weight: 800;
}

.orp-explanation {
    background: var(--card-bg);
    padding: 48px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    max-width: 800px;
    margin: 0 auto;
}

.orp-explanation h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.orp-explanation p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.orp-explanation ul {
    list-style: none;
    padding: 0;
}

.orp-explanation li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.orp-explanation li:last-child {
    border-bottom: none;
}

.orp-explanation strong {
    color: var(--text-primary);
}

/* Download Section */
.download {
    padding: 100px 0;
    text-align: center;
}

.download-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-content p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

.download-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.store-button {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 32px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.store-button:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
}

.store-button svg {
    fill: var(--text-primary);
}

.store-button div {
    text-align: left;
}

.store-button small {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
}

.store-button strong {
    display: block;
    font-size: 18px;
    font-weight: 700;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

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

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-primary);
}

.footer-section img {
    height: 48px;
    margin-bottom: 16px;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.footer-bottom p {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 48px;
    }

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

    .stats {
        justify-content: center;
    }

    .nav-links {
        gap: 16px;
    }

    .step-arrow {
        display: none;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 60px 0 40px;
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .stats {
        flex-direction: column;
        gap: 24px;
        align-items: center;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

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

    .nav-links a:not(.btn-primary) {
        display: none;
    }

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

/* Page Styles */
.page-header {
    padding: 120px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.page-header h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 20px;
    color: var(--text-secondary);
}

.page-content {
    padding: 60px 0;
    max-width: 800px;
    margin: 0 auto;
}

.page-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin: 40px 0 16px;
}

.page-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 32px 0 12px;
}

.page-content p {
    margin-bottom: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.page-content ul,
.page-content ol {
    margin: 16px 0 16px 24px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.page-content li {
    margin-bottom: 8px;
}

.page-content strong {
    color: var(--text-primary);
}

.page-content a {
    color: var(--accent-primary);
    text-decoration: none;
}

.page-content a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    background: var(--card-bg);
    padding: 48px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-submit {
    width: 100%;
    padding: 16px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}