/* SporeFlow Styles - Organic Fungal Aesthetic */

/* CSS Custom Properties */
:root {
    /* Earth tones & mushroom colors */
    --color-cream: #f5f0e6;
    --color-parchment: #ebe3d4;
    --color-sand: #d4c5a9;
    --color-mushroom: #c9b896;
    --color-brown: #6b5b4f;
    --color-dark-brown: #4a3f35;
    --color-bark: #3d3229;
    --color-subtle-green: #8a9a7a;
    --color-moss: #5c6b52;
    
    /* Typography */
    --font-primary: 'Georgia', 'Times New Roman', serif;
    --font-secondary: 'Helvetica Neue', 'Arial', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-cream);
    color: var(--color-dark-brown);
    line-height: 1.8;
    font-size: clamp(19px, 2.5vw, 22px);
}

/* Organic background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(ellipse at 20% 30%, rgba(138, 154, 122, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(107, 91, 79, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(201, 184, 150, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to bottom, var(--color-cream) 0%, rgba(245, 240, 230, 0.95) 100%);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(107, 91, 79, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--color-bark);
    letter-spacing: 0.05em;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-subtle-green), transparent);
}

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

.nav-links a {
    color: var(--color-brown);
    text-decoration: none;
    font-family: var(--font-secondary);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--color-subtle-green);
    transition: width 0.3s ease, left 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
    left: 0;
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(138, 154, 122, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}

.hero-content {
    position: relative;
    max-width: 800px;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(2.8rem, 9vw, 5rem);
    font-weight: normal;
    color: var(--color-bark);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.02em;
}

.tagline {
    font-size: 1.6rem;
    color: var(--color-moss);
    font-style: italic;
    margin-bottom: var(--space-md);
}

.hero-description {
    font-size: 1.35rem;
    color: var(--color-brown);
    max-width: 600px;
    margin: 0 auto;
}

/* Content Sections */
.content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid rgba(107, 91, 79, 0.15);
}

.section:last-of-type {
    border-bottom: none;
}

.section h2 {
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: normal;
    color: var(--color-bark);
    margin-bottom: var(--space-md);
    position: relative;
    display: inline-block;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--color-subtle-green);
}

.section p {
    margin-bottom: var(--space-sm);
    text-align: justify;
}

/* Analogy Visual */
.analogy-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    padding: var(--space-md);
    background: rgba(107, 91, 79, 0.05);
    border-radius: 8px;
}

.spore, .biomass {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-parchment);
    border: 1px solid var(--color-sand);
    border-radius: 4px;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: var(--color-brown);
}

.hyphae {
    font-size: 1.5rem;
    color: var(--color-subtle-green);
    animation: flow 2s ease-in-out infinite;
}

@keyframes flow {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(5px); }
}

/* Charms Section */
.section h3 {
    font-size: 1.5rem;
    color: var(--color-bark);
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
    font-family: var(--font-secondary);
}

.charm-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin: var(--space-md) 0;
}

.charm-example {
    background: var(--color-bark);
    border-radius: 6px;
    padding: var(--space-md);
    overflow: hidden;
}

.charm-example h4 {
    color: var(--color-subtle-green);
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.charm-example pre {
    margin: 0;
    overflow-x: auto;
}

.charm-example code {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--color-parchment);
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
}

.charm-categories {
    list-style: none;
    padding: 0;
    margin: var(--space-md) 0;
}

.charm-categories li {
    padding: var(--space-sm) 0;
    padding-left: var(--space-md);
    border-left: 2px solid var(--color-subtle-green);
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
}

.charm-categories li strong {
    color: var(--color-bark);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.feature {
    padding: var(--space-md);
    background: var(--color-parchment);
    border-radius: 8px;
    border: 1px solid rgba(107, 91, 79, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(107, 91, 79, 0.15);
}

.feature h3 {
    font-size: 1.25rem;
    font-weight: normal;
    color: var(--color-bark);
    margin-bottom: var(--space-sm);
    font-family: var(--font-secondary);
    letter-spacing: 0.05em;
}

.feature p {
    font-size: 1.15rem;
    text-align: left;
    margin-bottom: 0;
}

/* Future Section */
.coming-soon {
    font-style: italic;
    color: var(--color-moss);
    text-align: center;
    padding: var(--space-md);
    background: rgba(138, 154, 122, 0.1);
    border-radius: 4px;
    margin-top: var(--space-md);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--space-lg) var(--space-md);
    background: var(--color-bark);
    color: var(--color-sand);
    margin-top: var(--space-xl);
}

.footer p {
    margin-bottom: var(--space-xs);
}

.credits {
    font-style: italic;
    font-size: 0.9rem;
    color: var(--color-mushroom);
}

/* Responsive */
@media (max-width: 1024px) {
    .content {
        max-width: 700px;
        padding: 0 var(--space-sm);
    }
    
    .section {
        padding: var(--space-lg) var(--space-sm);
    }
}

@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: var(--space-sm);
        padding: var(--space-sm);
    }
    
    .nav-links {
        gap: var(--space-sm);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-links a {
        font-size: 0.85rem;
        padding: var(--space-xs) var(--space-xs);
    }
    
    .hero {
        min-height: 60vh;
        padding: var(--space-lg) var(--space-md);
    }
    
    .hero h1 {
        font-size: clamp(2rem, 10vw, 3rem);
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .section {
        padding: var(--space-md) 0;
    }
    
    .section h2 {
        font-size: 1.8rem;
    }
    
    .section p {
        text-align: left;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .analogy-visual {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .hyphae {
        transform: rotate(90deg);
    }
}

@media (max-width: 480px) {
    :root {
        --space-md: 1.5rem;
        --space-lg: 2.5rem;
    }
    
    body {
        font-size: 18px;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .tagline {
        font-size: 1.3rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .feature {
        padding: var(--space-sm);
    }
    
    .feature p {
        font-size: 1rem;
    }
    
    .charm-examples {
        grid-template-columns: 1fr;
    }
}