/* Duoly Website Styles */
/* Theme based on the Flutter app design */

:root {
    /* Primary Colors (Soft violet - Lavande) */
    --primary: #7C6A9C;
    --primary-light: #A08BC0;
    --primary-dark: #5E4D7A;
    --primary-glow: #D4C4E8;

    /* Background Colors */
    --background: #FAF8FC;
    --surface: #F8F6FA;
    --card: #F5F2F8;

    /* Text Colors */
    --text-primary: #3D3548;
    --text-secondary: #6B5F78;
    --text-muted: #9A8FA6;
    --text-on-primary: #FFFFFF;

    /* Accent & Secondary */
    --secondary: #E8E0F0;
    --accent: #D4A373;
    --muted: #DED6E8;

    /* Border & Divider */
    --border: #DED6E8;
    --divider: #EDE8F4;

    /* Status Colors */
    --success: #7BC47F;
    --warning: #F5B87A;
    --error: #E06C75;
    --info: #8ECAE6;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(61, 53, 72, 0.05);
    --shadow-md: 0 4px 6px rgba(61, 53, 72, 0.07);
    --shadow-lg: 0 10px 15px rgba(61, 53, 72, 0.1);
    --shadow-xl: 0 20px 25px rgba(61, 53, 72, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(250, 248, 252, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #FAF8FC 0%, #E8E0F0 50%, #D4C4E8 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero h1 {
    font-size: 4rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.tagline {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background-color: var(--surface);
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn .icon {
    width: 20px;
    height: 20px;
}

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

.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--background);
    border-radius: 32px;
    overflow: hidden;
}

.app-preview {
    height: 100%;
    padding: var(--spacing-lg);
}

.preview-header {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.preview-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.preview-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.preview-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.card-emoji {
    font-size: 2rem;
}

.card-label {
    font-weight: 500;
    color: var(--text-primary);
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--surface);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-3xl);
}

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

.feature-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

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

/* How it Works */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--surface) 0%, var(--secondary) 100%);
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-3xl);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.step {
    text-align: center;
    padding: var(--spacing-xl);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--text-on-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

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

/* Testimonials */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--background);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-3xl);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.testimonial-content p {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

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

.author-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Download CTA */
.download-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-glow) 100%);
    text-align: center;
}

.download-cta h2 {
    color: var(--text-on-primary);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.download-cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.download-cta .btn-primary {
    background: var(--text-on-primary);
    color: var(--primary);
}

.download-cta .btn-primary:hover {
    background: var(--surface);
}

.download-cta .btn-secondary {
    background: transparent;
    color: var(--text-on-primary);
    border-color: var(--text-on-primary);
}

.download-cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-on-primary);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: var(--text-on-primary);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

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

.footer-brand .logo-icon {
    font-size: 2rem;
}

.footer-brand .logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 600;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    color: var(--text-on-primary);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

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

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: var(--text-on-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Page Header (for subpages) */
.page-header {
    padding: 8rem 0 3rem;
    background: linear-gradient(135deg, #FAF8FC 0%, #E8E0F0 50%, #D4C4E8 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Content Section */
.content-section {
    padding: var(--spacing-3xl) 0;
    background: var(--surface);
}

.content-section .container {
    max-width: 800px;
}

.content-section h2 {
    font-size: 1.75rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.content-section h2:first-child {
    margin-top: 0;
}

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

.content-section ul {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.content-section li {
    margin-bottom: var(--spacing-sm);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: var(--surface);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 106, 156, 0.15);
}

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

/* Alert Box */
.alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.alert-warning {
    background: rgba(245, 184, 122, 0.2);
    border: 1px solid var(--warning);
    color: var(--text-primary);
}

.alert-info {
    background: rgba(142, 202, 230, 0.2);
    border: 1px solid var(--info);
    color: var(--text-primary);
}

/* Card */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

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

    .hero {
        padding: 6rem 0 3rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

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

    .hero-image {
        display: none;
    }

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

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

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

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

    .page-header h1 {
        font-size: 2rem;
    }
}