/* ============================================
   BITCOIN BEERS - INDUSTRIAL CRAFT BREWING STYLE
   Inspired by vintage brewery typography & labels
   ============================================ */

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

:root {
    /* Industrial Color Palette */
    --color-black: #0D0D0D;
    --color-charcoal: #1A1A1A;
    --color-slate: #2A2A2A;
    --color-gray-dark: #3D3D3D;
    --color-gray: #5A5A5A;
    --color-gray-medium: #888888;
    --color-gray-light: #AAAAAA;
    
    --color-cream: #F5EEE6;
    --color-cream-dark: #EAE2D9;
    --color-tan: #D4C4B0;
    --color-white: #FFFEF9;
    
    /* Accent Colors */
    --color-bronze: #C4956A;
    --color-gold: #D4A84B;
    --color-copper: #B87333;
    --color-bitcoin: #F7931A;
    --color-bitcoin-dark: #E8850F;
    
    --color-green: #4A7C59;
    --color-green-bright: #5FAD56;
    --color-red: #8B2635;
    
    /* Typography */
    --font-headline: 'Oswald', 'Bebas Neue', 'Impact', sans-serif;
    --font-display: 'Bebas Neue', 'Oswald', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-mono: 'IBM Plex Mono', 'SF Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Effects */
    --transition-speed: 0.3s;
    --transition-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --shadow-deep: 8px 8px 0 var(--color-black);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
    --border-heavy: 4px solid var(--color-black);
    --border-medium: 3px solid var(--color-black);
    --border-light: 2px solid var(--color-black);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background-color: var(--color-cream);
    color: var(--color-black);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Noise Texture Overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' 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");
}

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

/* ============================================
   HEADER - SIMPLE LOGO
   ============================================ */

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

.header a, .header a:visited {
    display: inline-block;
}

.header .logo {
    width: 190px;
    height: auto;
    display: block;
    margin: 0 auto;
    mix-blend-mode: plus-darker;
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    color: var(--color-gray);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-headline);
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.section-title em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    text-transform: none;
    color: var(--color-bronze);
}

.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.divider-line {
    width: 60px;
    height: 2px;
    background: var(--color-black);
}

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

.section-subtitle {
    font-family: var(--font-mono);
    font-size: clamp(0.85rem, 1.8vw, 1rem);
    color: var(--color-gray);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ============================================
   HERO CALCULATOR SECTION
   ============================================ */

/* Hero Headline Frame */
.hero-headline {
    margin-bottom: -4px;
}

.headline-frame {
    position: relative;
    background: var(--color-charcoal);
    border: var(--border-heavy);
    padding: var(--spacing-xl);
    text-align: center;
}

.frame-line {
    position: absolute;
    left: 20px;
    right: 20px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-bronze), transparent);
}

.frame-top {
    top: 20px;
}

.frame-bottom {
    bottom: 20px;
}

.hero-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    color: var(--color-bronze);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--color-bronze);
}

.hero-title {
    font-family: var(--font-headline);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-cream);
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.hero-title em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    text-transform: none;
    color: var(--color-gold);
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: clamp(0.85rem, 1.8vw, 1rem);
    color: var(--color-gray-light);
    max-width: 500px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.5;
}

.hero-divider {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-divider .divider-icon {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    color: var(--color-bitcoin);
    padding: 0 var(--spacing-md);
    position: relative;
}

.hero-divider .divider-icon::before,
.hero-divider .divider-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40px;
    height: 1px;
    background: var(--color-gray);
}

.hero-divider .divider-icon::before {
    right: 100%;
}

.hero-divider .divider-icon::after {
    left: 100%;
}

/* Calculator Card */
.calculator-card {
    position: relative;
    background: var(--color-cream);
    border: var(--border-heavy);
    padding: var(--spacing-xl);
}

.card-corner {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color-black);
}

.card-corner-tl { top: -4px; left: -4px; }
.card-corner-tr { top: -4px; right: -4px; }
.card-corner-bl { bottom: -4px; left: -4px; }
.card-corner-br { bottom: -4px; right: -4px; }

.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.input-group label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.input-label {
    font-family: var(--font-headline);
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-charcoal);
}

.input-value {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-bitcoin);
    letter-spacing: 0.02em;
}

/* Custom Slider - Industrial Style */
.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--color-tan);
    border: 2px solid var(--color-charcoal);
    border-radius: 0;
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    background: var(--color-charcoal);
    border: 3px solid var(--color-bitcoin);
    cursor: grab;
    transition: all var(--transition-speed);
    position: relative;
}

.slider::-webkit-slider-thumb:hover {
    background: var(--color-bitcoin);
    border-color: var(--color-charcoal);
    transform: scale(1.1);
}

.slider::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.15);
}

.slider::-moz-range-thumb {
    width: 28px;
    height: 28px;
    background: var(--color-charcoal);
    border: 3px solid var(--color-bitcoin);
    border-radius: 0;
    cursor: grab;
}

.slider-hints {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Calculate Button - Industrial Badge Style */
.calculate-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-charcoal);
    color: var(--color-cream);
    border: none;
    font-family: var(--font-headline);
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all var(--transition-speed);
    position: relative;
    overflow: hidden;
}

.calculate-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(247, 147, 26, 0.3), transparent);
    transition: left 0.5s ease;
}

.calculate-btn:hover {
    background: var(--color-bitcoin);
    color: var(--color-black);
    box-shadow: 0 6px 20px rgba(247, 147, 26, 0.4);
}

.calculate-btn:hover::before {
    left: 100%;
}

.btn-frame-left,
.btn-frame-right {
    width: 20px;
    height: 2px;
    background: var(--color-bronze);
    transition: width var(--transition-speed);
}

.calculate-btn:hover .btn-frame-left,
.calculate-btn:hover .btn-frame-right {
    width: 30px;
    background: var(--color-black);
}

/* ============================================
   CALCULATOR RESULTS
   ============================================ */

.calculator-results {
    margin-top: var(--spacing-xl);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.6s ease;
}

.calculator-results.visible {
    opacity: 1;
    max-height: 2000px;
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.results-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

.results-title {
    font-family: var(--font-headline);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-charcoal);
}

.results-divider {
    width: 80px;
    height: 3px;
    background: var(--color-bronze);
    margin: var(--spacing-sm) auto 0;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.result-card {
    position: relative;
    background: var(--color-white);
    border: var(--border-medium);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    transition: all var(--transition-speed);
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-tan);
    transition: background var(--transition-speed);
}

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

.result-card:hover::before {
    background: var(--color-bronze);
}

.result-card.result-main {
    grid-column: 1 / -1;
    background: var(--color-charcoal);
    color: var(--color-cream);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.result-card.result-main::before {
    display: none;
}

.result-card.result-main::after {
    content: '₿';
    position: absolute;
    right: -10px;
    bottom: -10px;
    font-family: var(--font-headline);
    font-size: 15rem;
    font-weight: 700;
    opacity: 0.05;
    color: var(--color-cream);
}

.result-badge {
    position: absolute;
    top: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-bronze);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-bronze);
}

.result-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
}

.result-main .result-label {
    color: var(--color-gray-light);
    margin-top: var(--spacing-lg);
}

.result-value {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.02em;
    color: var(--color-charcoal);
}

.result-main .result-value {
    font-size: clamp(3rem, 9vw, 5.5rem);
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-gold) 50%, var(--color-bitcoin) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-value.secondary {
    color: var(--color-gray-dark);
}

.result-value.profit {
    color: var(--color-green);
}

.result-value.sats {
    color: var(--color-bitcoin);
}

.result-sublabel {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.result-main .result-sublabel {
    color: var(--color-gray-light);
}

/* Results Message */
.results-message {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-cream-dark);
    border-left: 4px solid var(--color-bronze);
}

.share-summary {
    font-family: var(--font-mono);
    font-size: clamp(0.9rem, 1.8vw, 1.05rem);
    font-weight: 500;
    line-height: 1.7;
    color: var(--color-charcoal);
}

/* CTA Card */
.cta-card {
    background: linear-gradient(135deg, var(--color-bitcoin) 0%, var(--color-copper) 100%);
    border: var(--border-heavy);
}

.cta-frame {
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
}

.cta-frame::before,
.cta-frame::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
    left: 20%;
}

.cta-frame::before {
    top: var(--spacing-md);
}

.cta-frame::after {
    bottom: var(--spacing-md);
}

.cta-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-sm);
}

.cta-title {
    font-family: var(--font-headline);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.cta-title em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    text-transform: none;
    color: var(--color-white);
}

.cta-text {
    font-family: var(--font-mono);
    font-size: clamp(0.9rem, 1.8vw, 1rem);
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-lg);
    max-width: 450px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-charcoal);
    color: var(--color-cream);
    border: none;
    font-family: var(--font-headline);
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.cta-button:hover {
    background: var(--color-black);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.arrow-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-speed);
}

.cta-button:hover .arrow-icon {
    transform: translateX(4px);
}

.cta-disclaimer {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-charcoal);
    margin-top: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

/* ============================================
   TIMELINE SECTION
   ============================================ */

.timeline-section {
    position: relative;
    padding-top: var(--spacing-xxl);
}

/* Timeline Navigation Sidebar */
.timeline-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    left: var(--spacing-sm);
    width: 60px;
    max-height: 80vh;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.timeline-nav.visible {
    opacity: 1;
    pointer-events: auto;
}

.timeline-nav-title {
    display: none;
}

.timeline-nav-list {
    list-style: none;
    width: 60px;
    padding: 0;
    margin: 0;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.timeline-nav-list::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-tan);
}

.timeline-nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.timeline-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.timeline-nav-link::before {
    content: '';
    width: 16px;
    height: 2px;
    background-color: var(--color-gray);
    transition: all var(--transition-speed);
    flex-shrink: 0;
}

.timeline-nav-link:hover::before {
    width: 20px;
    background-color: var(--color-charcoal);
}

.timeline-nav-link.active::before {
    width: 24px;
    height: 3px;
    background-color: var(--color-bitcoin);
}

.timeline-nav-year {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-gray);
    white-space: nowrap;
    opacity: 0;
    transition: opacity var(--transition-speed);
    pointer-events: none;
}

.timeline-nav-link:hover .timeline-nav-year,
.timeline-nav-link.active .timeline-nav-year {
    opacity: 1;
}

.timeline-nav-link.active .timeline-nav-year {
    color: var(--color-bitcoin);
}

.timeline-nav-event {
    display: none;
}

.timeline-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) 0;
}

/* Timeline vertical line */
.timeline-wrapper::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, 
        var(--color-cream) 0%, 
        var(--color-charcoal) 10%,
        var(--color-charcoal) 100%
    );
    z-index: 0;
}

/* Timeline Entry */
.timeline-entry {
    position: relative;
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    animation: slideIn 0.6s ease-out forwards;
    min-height: 200px;
}

.timeline-entry:nth-child(even) {
    animation-delay: 0.1s;
}

.timeline-entry:nth-child(odd) {
    animation-delay: 0.2s;
}

/* Timeline dot/marker */
.timeline-dot {
    position: absolute;
    left: 50%;
    top: var(--spacing-md);
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--color-bitcoin);
    border: 4px solid var(--color-cream);
    z-index: 2;
    box-shadow: 0 0 0 3px var(--color-charcoal);
    transition: transform var(--transition-speed);
}

.timeline-entry:hover .timeline-dot {
    transform: translateX(-50%) scale(1.3);
}

/* Timeline content container */
.timeline-content {
    width: calc(50% - var(--spacing-lg));
    background-color: var(--color-white);
    border: var(--border-medium);
    padding: var(--spacing-lg);
    position: relative;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-tan);
    transition: background var(--transition-speed);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-deep);
}

.timeline-content:hover::before {
    background: var(--color-bitcoin);
}

/* Alternating left/right layout */
.timeline-entry:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: auto;
    text-align: right;
}

.timeline-entry:nth-child(even) .timeline-content {
    margin-left: auto;
    margin-right: 0;
    text-align: left;
}

/* Timeline arrow pointing to center line */
.timeline-content::after {
    content: '';
    position: absolute;
    top: var(--spacing-md);
    width: 0;
    height: 0;
    border: 12px solid transparent;
}

.timeline-entry:nth-child(odd) .timeline-content::after {
    right: -24px;
    border-left-color: var(--color-charcoal);
}

.timeline-entry:nth-child(even) .timeline-content::after {
    left: -24px;
    border-right-color: var(--color-charcoal);
}

/* Timeline date/year */
.timeline-date {
    font-family: var(--font-mono);
    font-size: clamp(0.85rem, 1.8vw, 1rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-bitcoin);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

/* Timeline event title */
.timeline-event-title {
    font-family: var(--font-headline);
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
    color: var(--color-charcoal);
}

/* Timeline event description */
.timeline-event-description {
    font-family: var(--font-mono);
    font-size: clamp(0.8rem, 1.6vw, 0.9rem);
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

/* Beer visual on opposite side of timeline */
.timeline-beer-visual-opposite {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: calc(50% - 30px);
    background-color: var(--color-cream);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5em;
    min-height: 100px;
}

.timeline-entry:nth-child(odd) .timeline-beer-visual-opposite {
    left: calc(50% + 30px);
}

.timeline-entry:nth-child(even) .timeline-beer-visual-opposite {
    right: calc(50% + 30px);
}

.timeline-beer-visual {
    margin: var(--spacing-md) 0;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5em;
}

.timeline-entry:nth-child(odd) .timeline-beer-visual {
    justify-content: flex-end;
}

.timeline-entry:nth-child(even) .timeline-beer-visual {
    justify-content: flex-start;
}

.timeline-beer-visual img,
.timeline-beer-visual-opposite img,
.beer-visual-img {
    height: clamp(4rem, 12vw, 12rem);
    width: auto;
    display: block;
    margin: 0 auto;
    filter: contrast(1.1) sepia(0.1);
    mix-blend-mode: multiply;
}

/* Beer count in timeline */
.timeline-beer-count {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4.5vw, 3rem);
    margin: var(--spacing-sm) 0;
    color: var(--color-charcoal);
    letter-spacing: 0.02em;
}

.timeline-beer-count .beer-number {
    display: inline-block;
    color: var(--color-bitcoin);
    font-weight: 400;
}

/* Timeline stats */
.timeline-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-cream-dark);
}

.timeline-entry:nth-child(odd) .timeline-stats {
    justify-content: flex-end;
}

.timeline-entry:nth-child(even) .timeline-stats {
    justify-content: flex-start;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.timeline-entry:nth-child(odd) .stat {
    align-items: flex-end;
}

.timeline-entry:nth-child(even) .stat {
    align-items: flex-start;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: clamp(0.6rem, 1.1vw, 0.7rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
}

.stat-value {
    font-family: var(--font-headline);
    font-size: clamp(1rem, 2.2vw, 1.4rem);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-charcoal);
}

/* Share Section CTA */
.beer-cta {
    max-width: 1200px;
    margin: var(--spacing-md) auto 0 auto;
    background: var(--color-charcoal);
    border: var(--border-heavy);
}

.beer-cta .cta-frame {
    position: relative;
}

.beer-cta .cta-frame::before,
.beer-cta .cta-frame::after {
    background: rgba(196, 149, 106, 0.3);
}

.beer-cta-content {
    text-align: center;
}

.beer-cta-subtitle {
    font-family: var(--font-headline);
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    line-height: 1;
    color: var(--color-cream);
}

.beer-cta-subtitle em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    text-transform: none;
    color: var(--color-gold);
}

.beer-cta-text {
    font-family: var(--font-mono);
    font-size: clamp(0.9rem, 1.8vw, 1rem);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-gray-light);
}

.beer-cta-thanks {
    font-family: var(--font-mono);
    font-size: clamp(0.85rem, 1.8vw, 1rem);
    font-weight: 600;
    margin-top: var(--spacing-lg);
    color: var(--color-bronze);
}

/* Share Buttons */
.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-md) auto;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-cream);
    color: var(--color-charcoal);
    border: 2px solid var(--color-cream);
    font-family: var(--font-mono);
    font-size: clamp(0.75rem, 1.4vw, 0.85rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition-speed);
    text-decoration: none;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.share-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.share-twitter:hover {
    background-color: #1DA1F2;
    color: var(--color-white);
    border-color: #1DA1F2;
}

.share-facebook:hover {
    background-color: #1877F2;
    color: var(--color-white);
    border-color: #1877F2;
}

.share-copy:hover {
    background-color: var(--color-bronze);
    color: var(--color-charcoal);
    border-color: var(--color-bronze);
}

.share-copy .copy-link-success {
    display: none;
}

.share-copy.copied .copy-link-text {
    display: none;
}

.share-copy.copied .copy-link-success {
    display: inline;
}

.share-copy.copied {
    background-color: var(--color-green);
    color: var(--color-white);
    border-color: var(--color-green);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: var(--color-cream-dark);
}

.footer-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: clamp(0.8rem, 1.4vw, 0.9rem);
}

.footer-nav a {
    color: var(--color-charcoal);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

.footer-nav a:hover {
    color: var(--color-bitcoin);
}

.footer-nav span {
    color: var(--color-gray-medium);
}

.footer-note {
    font-family: var(--font-mono);
    font-size: clamp(0.8rem, 1.4vw, 0.9rem);
    font-style: italic;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.footer-copyright {
    font-family: var(--font-mono);
    font-size: clamp(0.75rem, 1.3vw, 0.85rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-charcoal);
}

/* ============================================
   CONFETTI ANIMATION
   ============================================ */

.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    overflow: hidden;
}

.confetti {
    position: absolute;
    top: -20px;
    width: 10px;
    height: 20px;
    animation: confetti-fall linear forwards;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 1024px) {
    .timeline-nav {
        width: 40px;
        margin-right: var(--spacing-md);
    }
    
    .timeline-nav-year {
        font-size: 0.6rem;
    }
    
    .container {
        padding: var(--spacing-md);
    }
}

@media (max-width: 900px) {
    .container {
        padding: var(--spacing-sm);
    }

    /* Hide timeline navigation on mobile */
    .timeline-nav {
        display: none;
    }
    
    /* Mobile timeline - single column */
    .timeline-wrapper::before {
        left: 20px;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
        margin-right: 0 !important;
        text-align: left !important;
    }
    
    .timeline-entry:nth-child(odd) .timeline-content::after {
        left: -24px;
        right: auto;
        border-left-color: transparent;
        border-right-color: var(--color-charcoal);
    }
    
    .timeline-beer-visual-opposite {
        display: none;
    }
    
    .timeline-beer-visual {
        justify-content: flex-start !important;
    }
    
    .timeline-stats {
        justify-content: flex-start !important;
        flex-wrap: wrap;
    }
    
    .stat {
        align-items: flex-start !important;
    }
    
    .share-buttons {
        gap: var(--spacing-sm);
    }
    
    .share-btn {
        flex: 1 1 calc(50% - var(--spacing-sm));
        min-width: 140px;
        justify-content: center;
    }
    
    .calculator-card {
        padding: var(--spacing-md);
    }
    
    .headline-frame {
        padding: var(--spacing-lg);
    }
    
    .cta-frame {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 600px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .result-card.result-main {
        grid-column: 1;
    }
}

@media (max-width: 480px) {
    .timeline-wrapper::before {
        left: 15px;
    }
    
    .timeline-dot {
        left: 15px;
        width: 16px;
        height: 16px;
    }
    
    .timeline-content {
        width: calc(100% - 45px);
        margin-left: 45px !important;
        padding: var(--spacing-md);
    }
    
    .slider-hints {
        font-size: 0.55rem;
    }
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Print Styles */
@media print {
    .noise-overlay {
        display: none;
    }
    
    .timeline-entry {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .hero-calculator,
    .beer-cta,
    .share-buttons {
        display: none;
    }
}