/* ============================================
   Frantz Micro Holding Website Styles
   Authored, editorial, cinematic.
   ============================================ */

/* CSS Variables - Color Palette */
:root {
    /* Warm coastal palette inspired by San Diego light and Caribbean warmth */
    --color-bg: #fafaf8;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #6b6b6b;
    --color-accent: #d4773c; /* Warm terracotta */
    --color-accent-light: #e8a87c;
    --color-border: #e5e5e0;

    /* Typography */
    --font-serif: 'Georgia', 'Times New Roman', serif;
    --font-sans: 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;

    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 720px;
}

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

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-bg);
    line-height: 1.6;
}

/* Navigation */
.nav {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.95);
}

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

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.nav-link {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
}

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

/* Hero Section */
.hero {
    padding: calc(var(--space-xl) / 2) 0;
    max-width: 900px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.7125rem;
    color: var(--color-accent);
    font-family: var(--font-serif);
}

.hero-vision {
    margin-top: var(--space-sm);
    font-size: 1rem;
    color: var(--color-text-muted);
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Philosophy Section */
.philosophy {
    padding: calc(var(--space-lg) / 2) 0;
    border-top: 1px solid var(--color-border);
}

.philosophy-content {
    max-width: var(--max-width-narrow);
}

.philosophy-content h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
}

.philosophy-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

/* Tracks Section */
.tracks {
    padding: calc(var(--space-xl) / 2) 0;
}

.tracks-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.01em;
}

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

.track {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--space-md);
    border-radius: 4px;
    transition: border-color 0.2s ease;
}

.track-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.track:hover {
    border-color: var(--color-accent-light);
}

.track-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-xs);
}

.track h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.track-status {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-weight: 500;
}

.track-status.active {
    background: rgba(212, 119, 60, 0.1);
    color: var(--color-accent);
}

.track-status.planning {
    background: rgba(107, 107, 107, 0.1);
    color: var(--color-text-muted);
}

.track-role {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    font-style: italic;
}

.track-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

/* Scratchpad Specific Styles */
.scratchpad-container {
    max-width: var(--max-width-narrow);
}

.scratchpad-header {
    padding: calc(var(--space-lg) / 2) 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: calc(var(--space-lg) / 2);
}

.scratchpad-header h1 {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.scratchpad-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Post Styles */
.post {
    padding: calc(var(--space-lg) / 2) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.post-date {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.post-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-md);
}

.post-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.post-content p:last-child {
    margin-bottom: 0;
}

.scratchpad-footer {
    padding: calc(var(--space-lg) / 2) 0;
    text-align: center;
}

.scratchpad-footer p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Footer */
.footer {
    border-top: 1px solid var(--color-border);
    padding: calc(var(--space-lg) / 2) var(--space-md);
    text-align: center;
    margin-top: calc(var(--space-xl) / 2);
}

.footer p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: var(--space-sm);
    }

    .container {
        padding: var(--space-md) var(--space-sm);
    }

    .hero {
        padding: var(--space-md) 0;
    }

    .track-grid,
    .principles-grid {
        grid-template-columns: 1fr;
    }
}

/* Page Load Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero,
.philosophy,
.tracks,
.scratchpad-header,
.post {
    animation: fadeIn 0.6s ease-out;
}