/* ===================================
   Robert Lee Amphitheater - Styles
   Rustic Hill Country Aesthetic
   =================================== */

:root {
    /* Earthy Texas palette */
    --color-sand: #E8DDD3;
    --color-sandstone: #D4C4B0;
    --color-terracotta: #C67B5C;
    --color-rust: #8B4513;
    --color-sage: #87907D;
    --color-mesquite: #2C2416;
    --color-charcoal: #1C1915;
    --color-cream: #FAF7F2;
    --color-warm-white: #FDFCFA;
    
    /* Typography */
    --font-display: 'Libre Baskerville', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-medium: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-charcoal);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ===================================
   Hero Section
   =================================== */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: 
        linear-gradient(135deg, var(--color-mesquite) 0%, var(--color-charcoal) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(198, 123, 92, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(135, 144, 125, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Subtle texture overlay */
.hero-overlay {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    color: var(--color-cream);
    z-index: 1;
    padding: var(--space-md);
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-location {
    font-family: var(--font-body);
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-sandstone);
    margin-bottom: var(--space-md);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-tagline {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-sandstone);
    margin-bottom: var(--space-lg);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--color-terracotta);
    color: var(--color-cream);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all var(--transition-medium);
    animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-cta:hover {
    background-color: var(--color-rust);
    transform: translateY(-2px);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-sandstone);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: fadeIn 1s ease-out 1.2s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-sandstone), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.1); }
}

/* ===================================
   Section Common Styles
   =================================== */

.section-number {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-terracotta);
    display: block;
    margin-bottom: var(--space-xs);
}

.section-name {
    font-family: var(--font-body);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-sage);
    display: block;
}

section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400;
    margin-top: var(--space-sm);
    margin-bottom: var(--space-md);
}

/* ===================================
   About Section
   =================================== */

.about {
    padding: var(--space-xl) 0;
    background-color: var(--color-warm-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-lg);
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

.about-label {
    position: sticky;
    top: var(--space-lg);
    height: fit-content;
}

.about-content h2 {
    margin-top: 0;
}

.about-lead {
    font-family: var(--font-display);
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-mesquite);
    margin-bottom: var(--space-md);
}

.about-content > p:not(.about-lead) {
    color: var(--color-charcoal);
    opacity: 0.85;
    max-width: 65ch;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-sandstone);
}

@media (max-width: 600px) {
    .about-stats {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-terracotta);
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-sage);
    margin-top: var(--space-xs);
    display: block;
}

/* ===================================
   Phases/Timeline Section
   =================================== */

.phases {
    padding: var(--space-xl) 0;
    background-color: var(--color-sand);
}

.phases-header {
    margin-bottom: var(--space-lg);
}

.timeline {
    position: relative;
    padding-left: var(--space-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-terracotta), var(--color-sandstone));
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-lg);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--space-lg) - 6px);
    top: 0;
    width: 14px;
    height: 14px;
    background-color: var(--color-sandstone);
    border: 3px solid var(--color-sand);
    border-radius: 50%;
    transition: all var(--transition-medium);
}

.timeline-item.active .timeline-marker {
    background-color: var(--color-terracotta);
    box-shadow: 0 0 0 4px rgba(198, 123, 92, 0.2);
}

.phase-status {
    position: absolute;
    left: 24px;
    top: -4px;
    font-size: 0.625rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-sage);
    white-space: nowrap;
}

.timeline-item.active .phase-status {
    color: var(--color-terracotta);
    font-weight: 600;
}

.timeline-content {
    padding-top: var(--space-md);
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
}

.timeline-content > p {
    color: var(--color-charcoal);
    opacity: 0.8;
    max-width: 55ch;
    margin-bottom: var(--space-sm);
}

.phase-tasks {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.phase-tasks li {
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
    background-color: var(--color-cream);
    border-radius: 2px;
    color: var(--color-mesquite);
}

/* ===================================
   Progress Gallery Section
   =================================== */

.progress {
    padding: var(--space-xl) 0;
    background-color: var(--color-warm-white);
}

.progress-header {
    margin-bottom: var(--space-lg);
}

.progress-intro {
    color: var(--color-charcoal);
    opacity: 0.75;
    max-width: 50ch;
}

.progress-grid {
    display: grid;
    gap: var(--space-lg);
}

.progress-entry {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: var(--space-md);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-sandstone);
}

@media (max-width: 768px) {
    .progress-entry {
        grid-template-columns: 1fr;
    }
}

.progress-entry:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.progress-date {
    position: sticky;
    top: var(--space-md);
    height: fit-content;
}

.progress-date-day {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-terracotta);
    line-height: 1;
}

.progress-date-month {
    font-family: var(--font-body);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-sage);
    margin-top: var(--space-xs);
}

.progress-date-year {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--color-charcoal);
    opacity: 0.5;
}

.progress-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
}

.progress-description {
    color: var(--color-charcoal);
    opacity: 0.85;
    margin-bottom: var(--space-md);
    max-width: 65ch;
}

.progress-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-sm);
}

.progress-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: 2px;
    cursor: pointer;
    background-color: var(--color-sandstone);
}

.progress-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.progress-image:hover img {
    transform: scale(1.05);
}

.progress-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(28, 25, 21, 0.3), transparent);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.progress-image:hover::after {
    opacity: 1;
}

.progress-empty {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    color: var(--color-sage);
    font-style: italic;
}

/* ===================================
   Lightbox
   =================================== */

.lightbox {
    position: fixed;
    inset: 0;
    background-color: rgba(28, 25, 21, 0.95);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 85vh;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
}

.lightbox-caption {
    text-align: center;
    color: var(--color-sandstone);
    font-size: 0.875rem;
    margin-top: var(--space-sm);
    padding: 0 var(--space-md);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: none;
    border: none;
    color: var(--color-cream);
    font-size: 2rem;
    cursor: pointer;
    padding: var(--space-sm);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    opacity: 1;
}

.lightbox-close {
    top: var(--space-md);
    right: var(--space-md);
    font-size: 2.5rem;
}

.lightbox-prev {
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
}

.lightbox-next {
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
}

.lightbox-counter {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-sandstone);
    font-size: 0.875rem;
}

/* ===================================
   Historical Photos Section
   =================================== */

.historical {
    padding: var(--space-xl) 0;
    background-color: var(--color-sand);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(198, 123, 92, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(135, 144, 125, 0.08) 0%, transparent 50%);
}

.historical-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.historical-icon {
    color: var(--color-terracotta);
    margin-bottom: var(--space-md);
    opacity: 0.8;
}

.historical h2 {
    color: var(--color-mesquite);
}

.historical > .container > .historical-content > p {
    color: var(--color-charcoal);
    opacity: 0.85;
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.historical-cta {
    background-color: var(--color-cream);
    padding: var(--space-md);
    border-radius: 4px;
    border: 1px solid var(--color-sandstone);
}

.historical-email {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-terracotta);
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    border: 2px solid var(--color-terracotta);
    border-radius: 2px;
    transition: all var(--transition-medium);
    margin-bottom: var(--space-sm);
}

.historical-email:hover {
    background-color: var(--color-terracotta);
    color: var(--color-cream);
}

.email-icon {
    font-size: 1.25rem;
}

.historical-note {
    font-size: 0.875rem;
    color: var(--color-sage);
    margin-top: var(--space-sm);
    margin-bottom: 0;
}

/* ===================================
   Newsletter Section
   =================================== */

.newsletter {
    padding: var(--space-xl) 0;
    background-color: var(--color-mesquite);
    color: var(--color-cream);
}

.newsletter-content {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.newsletter .section-number {
    color: var(--color-terracotta);
}

.newsletter h2 {
    color: var(--color-cream);
}

.newsletter p {
    color: var(--color-sandstone);
    margin-bottom: var(--space-md);
}

.newsletter-form {
    margin-top: var(--space-md);
}

.form-group {
    display: flex;
    gap: var(--space-xs);
    max-width: 400px;
    margin: 0 auto;
}

.form-group input[type="email"] {
    flex: 1;
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-sage);
    border-radius: 2px;
    background-color: transparent;
    color: var(--color-cream);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input[type="email"]::placeholder {
    color: var(--color-sage);
}

.form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--color-terracotta);
}

.form-group button {
    padding: 1rem 1.5rem;
    background-color: var(--color-terracotta);
    color: var(--color-cream);
    border: none;
    border-radius: 2px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.form-group button:hover {
    background-color: var(--color-rust);
}

.form-note {
    font-size: 0.75rem;
    color: var(--color-sage);
    margin-top: var(--space-sm);
}

/* ===================================
   Footer
   =================================== */

.footer {
    padding: var(--space-lg) 0 var(--space-md);
    background-color: var(--color-charcoal);
    color: var(--color-sandstone);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(212, 196, 176, 0.2);
}

@media (max-width: 600px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--color-cream);
    margin-bottom: var(--space-xs);
}

.footer-brand p {
    font-size: 0.875rem;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    font-size: 0.875rem;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    padding-top: var(--space-md);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    opacity: 0.5;
}

/* ===================================
   Utility Classes
   =================================== */

.hidden {
    display: none !important;
}

/* Smooth scroll offset for fixed header if added later */
[id] {
    scroll-margin-top: var(--space-lg);
}