/**
 * Plotbloop Landing Page Styles
 * Japandi design language - minimal, serene, warm earth tones
 */

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

:root {
    /* Japandi Color Palette (from iOS Theme.swift) */
    --color-background: #FAFAF8;
    --color-surface: #F5F3EF;
    --color-text: #2C2C2A;
    --color-text-secondary: #A09A90;
    --color-accent: #6366F1;
    --color-accent-hover: #4F46E5;
    --color-border: #E8E4DC;
    --color-charcoal: #262624;

    /* Typography */
    --font-serif: 'New York', Georgia, 'Times New Roman', serif;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;

    /* Layout */
    --container-max-width: 1200px;
    --content-max-width: 800px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
}

/* Base Typography */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text);
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 500;
    letter-spacing: -0.5px;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    transition: all 0.2s ease;
}

.header-cta:hover {
    background-color: var(--color-border);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: center;
    max-width: var(--content-max-width);
    margin: 0 auto;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.hero-subheadline {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 16px;
    font-weight: 600;
    color: white;
    text-decoration: none;
    background-color: var(--color-charcoal);
    border-radius: var(--border-radius-lg);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.hero-cta:hover {
    background-color: var(--color-text);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

/* Hero Illustration */
.hero-illustration {
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl);
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.illustration-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--color-text-secondary);
    font-size: 14px;
    min-height: 200px;
}

.illustration-star {
    font-size: 48px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

/* Benefits Section */
.benefits {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background-color: var(--color-surface);
}

.benefits-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.section-label {
    display: block;
    text-align: center;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    text-align: center;
}

.benefit-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.benefit-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.benefit-description {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-xxl) var(--spacing-lg);
    max-width: var(--content-max-width);
    margin: 0 auto;
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--color-accent);
    background-color: var(--color-surface);
    border-radius: 50%;
}

.step-content {
    flex: 1;
}

.step-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.step-description {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background-color: var(--color-surface);
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer-tagline {
    font-family: var(--font-serif);
    font-size: 24px;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.footer-cta {
    margin-bottom: var(--spacing-xl);
}

.app-store-badge {
    height: 44px;
    width: auto;
}

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

.footer-link {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.footer-copyright {
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* Responsive Design - Tablet */
@media (min-width: 640px) {
    .hero-headline {
        font-size: 48px;
    }

    .hero-subheadline {
        font-size: 20px;
    }

    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .steps-container {
        flex-direction: row;
        justify-content: space-between;
    }

    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
        flex: 1;
    }
}

/* Responsive Design - Desktop */
@media (min-width: 1024px) {
    .header {
        padding: var(--spacing-lg) var(--spacing-xl);
    }

    .hero {
        padding: var(--spacing-xxl) var(--spacing-xl);
        padding-top: 80px;
    }

    .hero-headline {
        font-size: 56px;
    }

    .hero-subheadline {
        font-size: 22px;
    }

    .benefits {
        padding: 80px var(--spacing-xl);
    }

    .benefit-card {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .how-it-works {
        padding: 80px var(--spacing-xl);
    }

    .footer {
        padding: 80px var(--spacing-xl);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .hero-cta,
    .header-cta,
    .footer-link {
        transition: none;
    }

    .hero-cta:hover {
        transform: none;
    }
}

/* Print Styles */
@media print {
    .header-cta,
    .hero-cta,
    .footer-cta {
        display: none;
    }

    .hero,
    .benefits,
    .how-it-works,
    .footer {
        padding: var(--spacing-lg) 0;
    }
}