/* ==========================================
   BOTTEGA AI - CORE STYLESHEET
   Renaissance Aesthetics Merged with Modern AI
   ========================================== */

/* 1. Design System & Custom Properties */
:root {
    /* Color Palette */
    --color-bg: #090908;
    --color-bg-offset: #121210;
    --color-parchment-light: #f5eed3;
    --color-parchment-dark: #1f1d19;
    --color-parchment-border: #332f28;
    --color-gold: #d4af37;
    --color-gold-hover: #f3cf65;
    --color-gold-glow: rgba(212, 175, 55, 0.3);
    --color-gold-dim: #8c7322;
    --color-text: #f3efe6;
    --color-text-muted: #af9f88;
    --color-heineken-green: #00b050;
    --color-heineken-glow: rgba(0, 176, 80, 0.4);

    /* Fonts */
    --font-serif-header: 'Cinzel', Georgia, serif;
    --font-serif-body: 'Lora', Palatino, serif;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing & Borders */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
}

/* 2. Base & Layout Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    /* Soft background noise overlay using gradients */
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(26, 25, 22, 0.8) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
        linear-gradient(to bottom, #090908, #121210);
    background-attachment: fixed;
}

p {
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 1.05rem;
    color: var(--color-text-muted);
}

a {
    color: var(--color-gold);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--color-gold-hover);
}

.gold-text {
    color: var(--color-gold);
}

.gold-text-glow {
    color: var(--color-gold);
    text-shadow: 0 0 15px var(--color-gold-glow);
}

/* 3. Reusable Components */
.gold-divider {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    margin: 1.5rem auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    padding: 0 1rem;
}

.section-tagline {
    font-family: var(--font-serif-header);
    font-size: 0.85rem;
    letter-spacing: 3px;
    color: var(--color-gold);
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: var(--font-serif-header);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 1px;
}

.section-subtitle {
    font-family: var(--font-serif-body);
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 1rem auto 0 auto;
    font-style: italic;
}

/* Primary Button */
.cta-button-primary {
    background-color: var(--color-gold);
    color: #121210;
    font-family: var(--font-serif-header);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 1.5px;
    padding: 1.1rem 2.2rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-gold);
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.2);
    display: inline-block;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-gold-hover);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cta-button-primary:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.cta-button-primary:hover {
    color: #000;
    box-shadow: 0 4px 25px var(--color-gold-glow);
    transform: translateY(-2px);
}

/* Secondary Button */
.cta-button-secondary {
    background-color: transparent;
    color: var(--color-text);
    font-family: var(--font-serif-header);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1.5px;
    padding: 1.1rem 2.2rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-parchment-border);
    cursor: pointer;
    display: inline-block;
    text-align: center;
    transition: var(--transition-smooth);
}

.cta-button-secondary:hover {
    border-color: var(--color-gold);
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--color-gold);
    transform: translateY(-2px);
}

/* 4. Header & Navigation */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 6%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(9, 9, 8, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(51, 47, 40, 0.4);
    transition: var(--transition-smooth);
}

.logo-text {
    font-family: var(--font-serif-header);
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--color-text);
}

.nav-menu {
    display: flex;
    gap: 1.25rem;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.nav-link:hover {
    color: var(--color-gold);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.2rem 0.4rem;
    transition: var(--transition-smooth);
}

.lang-btn:hover {
    color: var(--color-gold);
}

.lang-btn.active {
    color: var(--color-gold);
    text-shadow: 0 0 8px var(--color-gold-glow);
}

.lang-separator {
    color: rgba(175, 159, 136, 0.25);
    user-select: none;
}

.cta-button-nav {
    background-color: transparent;
    color: var(--color-gold);
    font-family: var(--font-serif-header);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-gold-dim);
    transition: var(--transition-smooth);
}

.cta-button-nav:hover {
    background-color: var(--color-gold);
    color: #121210;
    border-color: var(--color-gold);
}


/* 5. Hero Section */
.hero-section {
    min-height: 100vh;
    padding: 8rem 6% 4rem 6%;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.date-badge {
    font-family: var(--font-serif-header);
    color: var(--color-gold);
    font-size: 0.9rem;
    letter-spacing: 2px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 30px;
    background-color: rgba(212, 175, 55, 0.06);
    border: 1px solid rgba(212, 175, 55, 0.15);
    width: fit-content;
}

.hero-title {
    font-family: var(--font-serif-header);
    font-size: 4rem;
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--color-text);
}

.hero-subtitle {
    font-family: var(--font-serif-body);
    font-size: 1.2rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.hero-details {
    display: flex;
    gap: 3rem;
    border-top: 1px solid var(--color-parchment-border);
    border-bottom: 1px solid var(--color-parchment-border);
    padding: 1.2rem 0;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.detail-label {
    font-size: 0.75rem;
    font-family: var(--font-sans);
    color: var(--color-text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.detail-value, .venue-link {
    font-family: var(--font-serif-header);
    font-size: 1.1rem;
    color: var(--color-gold);
    font-weight: 600;
}

.venue-link {
    border-bottom: 1px dashed var(--color-gold-dim);
}

.venue-link:hover {
    color: var(--color-gold-hover);
    border-bottom-style: solid;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

/* Hero Image & Vitruvian Frame */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.sketch-frame {
    width: 100%;
    max-width: 480px;
    background-color: var(--color-parchment-dark);
    padding: 1.2rem;
    border: 1px solid var(--color-parchment-border);
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
}

.sketch-frame:hover {
    transform: scale(1.02);
    border-color: var(--color-gold-dim);
}

.gold-border-corner {
    position: absolute;
    width: 15px;
    height: 15px;
    border: 1px solid var(--color-gold);
}

.gold-border-corner.top-left { top: 6px; left: 6px; border-right: none; border-bottom: none; }
.gold-border-corner.top-right { top: 6px; right: 6px; border-left: none; border-bottom: none; }
.gold-border-corner.bottom-left { bottom: 6px; left: 6px; border-right: none; border-top: none; }
.gold-border-corner.bottom-right { bottom: 6px; right: 6px; border-left: none; border-top: none; }

.sketch-image {
    width: 100%;
    height: auto;
    filter: sepia(0.2) contrast(1.05);
    border: 1px solid rgba(212, 175, 55, 0.15);
    display: block;
}

.sketch-caption {
    margin-top: 1rem;
    text-align: center;
    border-top: 1px dashed var(--color-parchment-border);
    padding-top: 0.8rem;
}

.caption-title {
    font-family: var(--font-serif-header);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gold-hover);
    display: block;
    letter-spacing: 1px;
    margin-bottom: 0.2rem;
}

.sketch-caption p {
    font-family: var(--font-serif-body);
    font-size: 0.75rem;
    font-style: italic;
    color: var(--color-text-muted);
}

/* 6. Metric Countdown Bar */
.metric-bar {
    background-color: var(--color-bg-offset);
    border-top: 1px solid var(--color-parchment-border);
    border-bottom: 1px solid var(--color-parchment-border);
    padding: 2rem 6%;
}

.metric-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.metric-item {
    text-align: center;
    flex: 1;
}

.metric-number {
    display: block;
    font-family: var(--font-serif-header);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1.1;
    margin-bottom: 0.25rem;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.1);
}

.metric-label {
    font-size: 0.8rem;
    font-family: var(--font-sans);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.metric-divider {
    width: 1px;
    height: 40px;
    background-color: var(--color-parchment-border);
}

/* 7. Philosophy Section */
.philosophy-section {
    padding: 8rem 6%;
    max-width: 1200px;
    margin: 0 auto;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 5rem;
    align-items: center;
}

.philosophy-text p {
    margin-bottom: 1.8rem;
    line-height: 1.8;
}

/* Beautiful Drop Cap */
.drop-cap-p {
    font-family: var(--font-serif-body);
    font-size: 1.15rem;
    color: var(--color-text);
}

.drop-cap {
    float: left;
    font-family: var(--font-serif-header);
    font-size: 4rem;
    line-height: 0.85;
    font-weight: 700;
    color: var(--color-gold);
    margin-top: 0.15rem;
    margin-right: 0.75rem;
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.5);
}

.philosophy-cards {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Premium Parchment Card */
.parchment-card {
    background-color: var(--color-parchment-dark);
    border: 1px solid var(--color-parchment-border);
    padding: 2.2rem;
    border-radius: var(--border-radius-md);
    position: relative;
    transition: var(--transition-smooth);
}

.parchment-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border: 1px dashed rgba(212, 175, 55, 0.1);
    margin: 6px;
    pointer-events: none;
    border-radius: calc(var(--border-radius-md) - 4px);
}

.parchment-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold-dim);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.05);
}

.card-icon {
    font-size: 1.8rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

.card-title {
    font-family: var(--font-serif-header);
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    letter-spacing: 0.5px;
}

.parchment-card p {
    font-size: 0.95rem;
}

/* 8. Agent Synthesis Console (Simulator) */
.simulator-section {
    padding: 8rem 6%;
    background-color: rgba(18, 18, 16, 0.5);
    border-top: 1px solid var(--color-parchment-border);
    border-bottom: 1px solid var(--color-parchment-border);
}

.simulator-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: stretch;
}

.simulator-controls {
    background-color: var(--color-bg-offset);
    border: 1px solid var(--color-parchment-border);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2.2rem;
}

.controls-title {
    font-family: var(--font-serif-header);
    color: var(--color-text);
    font-size: 1.5rem;
    border-bottom: 1px solid var(--color-parchment-border);
    padding-bottom: 1rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.control-label {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Custom Radio Grid */
.radio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.radio-option {
    border: 1px solid var(--color-parchment-border);
    background-color: rgba(9, 9, 8, 0.4);
    padding: 1.2rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    transition: var(--transition-smooth);
}

.radio-option input {
    display: none;
}

.radio-option:hover {
    border-color: var(--color-gold-dim);
    background-color: rgba(255, 255, 255, 0.02);
}

.radio-option.active {
    border-color: var(--color-gold);
    background-color: rgba(212, 175, 55, 0.04);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.08);
}

.radio-title {
    font-family: var(--font-serif-header);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.radio-desc {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Custom Selector */
.custom-select {
    width: 100%;
    background-color: #090908;
    border: 1px solid var(--color-parchment-border);
    padding: 1rem;
    border-radius: var(--border-radius-md);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.custom-select:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 10px var(--color-gold-glow);
}

/* Checkbox Grid */
.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.checkbox-option {
    border: 1px solid var(--color-parchment-border);
    background-color: rgba(9, 9, 8, 0.4);
    padding: 1rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
    user-select: none;
}

.checkbox-option input {
    accent-color: var(--color-gold);
    width: 16px;
    height: 16px;
}

.checkbox-option:hover {
    border-color: var(--color-gold-dim);
}

.checkbox-option.active {
    border-color: var(--color-gold-dim);
    color: var(--color-text);
}

/* Range Slider */
.range-container {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.custom-range {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--color-parchment-border);
    border-radius: 3px;
    outline: none;
}

.custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--color-gold);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--color-gold-glow);
    transition: transform 0.2s;
}

.custom-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Button Synthesize */
.btn-synthesize {
    background-color: transparent;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    padding: 1.2rem;
    border-radius: var(--border-radius-md);
    font-family: var(--font-serif-header);
    font-weight: 700;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-synthesize:hover {
    background-color: var(--color-gold);
    color: #090908;
    box-shadow: 0 0 20px var(--color-gold-glow);
}

/* Parchment Output Preview */
.simulator-preview {
    display: flex;
    align-items: center;
    justify-content: center;
}

.parchment-sheet {
    background-color: var(--color-parchment-light);
    color: #2b2315;
    padding: 3rem;
    border-radius: 4px;
    width: 100%;
    max-width: 460px;
    min-height: 580px;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.6), inset 0 0 60px rgba(181, 149, 107, 0.3);
    position: relative;
    border: 1px solid #d4c19c;
    display: flex;
    flex-direction: column;
}

.parchment-glow {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.08);
}

.blueprint-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #2b2315;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.blueprint-serial {
    font-family: var(--font-serif-header);
    font-size: 0.75rem;
    letter-spacing: 1px;
    font-weight: 700;
}

.blueprint-stamp {
    font-family: var(--font-serif-header);
    border: 2px solid #8f231b;
    color: #8f231b;
    font-size: 0.65rem;
    font-weight: 900;
    padding: 0.15rem 0.5rem;
    transform: rotate(-10deg);
    letter-spacing: 1px;
}

.blueprint-body {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    flex-grow: 1;
}

.blueprint-agent-title {
    font-family: var(--font-serif-header);
    font-size: 1.6rem;
    font-weight: 700;
    color: #1c150c;
    letter-spacing: 0.5px;
}

.blueprint-line {
    width: 100%;
    height: 1px;
    background-color: rgba(43, 35, 21, 0.2);
    margin-top: 0.4rem;
}

.blueprint-sketch-wrapper {
    height: 160px;
    border: 1px dashed rgba(43, 35, 21, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.blueprint-svg-animation {
    width: 130px;
    height: 130px;
}

.blueprint-svg-animation circle, .blueprint-svg-animation line, .blueprint-svg-animation path {
    stroke: #665030 !important;
}
.blueprint-svg-animation circle[fill] {
    fill: #665030 !important;
}

.blueprint-details-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.blueprint-meta {
    display: flex;
    border-bottom: 1px dotted rgba(43, 35, 21, 0.3);
    padding-bottom: 0.25rem;
}

.meta-label {
    font-weight: 700;
    width: 130px;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.meta-val {
    font-family: var(--font-serif-body);
}

.blueprint-description {
    font-size: 0.85rem;
    line-height: 1.5;
}

.blueprint-description h5 {
    font-family: var(--font-serif-header);
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.blueprint-description p {
    color: #423625;
    font-family: var(--font-serif-body);
    font-style: italic;
}

.blueprint-metrics {
    display: flex;
    justify-content: space-around;
    border-top: 2px solid #2b2315;
    padding-top: 1rem;
    margin-top: auto;
}

.blu-metric {
    text-align: center;
}

.blu-metric-num {
    display: block;
    font-family: var(--font-serif-header);
    font-size: 1.6rem;
    font-weight: 700;
    color: #7d2a1b; /* Rich iron gall red */
}

.blu-metric-lbl {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #594c3a;
}

/* 9. Curriculum Section (Timeline) */
.curriculum-section {
    padding: 8rem 6%;
    max-width: 1000px;
    margin: 0 auto;
}

.curriculum-timeline {
    position: relative;
    margin-top: 4rem;
}

.curriculum-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 40px;
    height: 100%;
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--color-gold-dim), var(--color-gold-dim), transparent);
}

.timeline-item {
    position: relative;
    padding-left: 90px;
    margin-bottom: 5rem;
    opacity: 0.85;
    transition: var(--transition-smooth);
}

.timeline-item:hover {
    opacity: 1;
}

.timeline-number {
    position: absolute;
    left: 20px;
    top: -5px;
    width: 40px;
    height: 40px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-gold-dim);
    color: var(--color-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif-header);
    font-weight: 600;
    z-index: 2;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-number {
    border-color: var(--color-gold);
    color: #fff;
    box-shadow: 0 0 15px var(--color-gold-glow);
}

.timeline-content {
    background-color: var(--color-bg-offset);
    border: 1px solid var(--color-parchment-border);
    padding: 2.5rem;
    border-radius: var(--border-radius-md);
    position: relative;
}

.timeline-time {
    font-family: var(--font-serif-header);
    color: var(--color-gold);
    font-size: 0.85rem;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-family: var(--font-serif-header);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.timeline-content p {
    font-size: 0.98rem;
    margin-bottom: 1.2rem;
}

.timeline-list {
    list-style: none;
    padding-left: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.6rem;
}

.timeline-list li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    position: relative;
    padding-left: 1.5rem;
}

.timeline-list li::before {
    content: '✥';
    position: absolute;
    left: 0;
    color: var(--color-gold-dim);
    font-size: 0.75rem;
}

/* 10. Venue Section (Heineken House) */
.venue-section {
    padding: 8rem 6%;
    background-color: #0b0c0a; /* Deep near black with dark forest overlay */
    background-image: radial-gradient(circle at center, rgba(0, 176, 80, 0.04) 0%, transparent 70%);
    border-top: 1px solid var(--color-parchment-border);
    border-bottom: 1px solid var(--color-parchment-border);
}

.venue-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.venue-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.venue-title {
    font-family: var(--font-serif-header);
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.1;
    margin-bottom: -0.5rem;
}

.venue-city {
    font-family: var(--font-serif-header);
    font-size: 1.2rem;
    color: var(--color-heineken-green);
    letter-spacing: 4px;
    font-weight: 600;
}

.venue-desc {
    font-family: var(--font-serif-body);
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.venue-explore-btn {
    background-color: transparent;
    color: var(--color-heineken-green);
    font-family: var(--font-serif-header);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1.5px;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-heineken-green);
    cursor: pointer;
    display: inline-block;
    text-align: center;
    width: fit-content;
    box-shadow: 0 4px 15px rgba(0, 176, 80, 0.05);
}

.venue-explore-btn:hover {
    background-color: var(--color-heineken-green);
    color: #fff;
    box-shadow: 0 4px 20px var(--color-heineken-glow);
    transform: translateY(-2px);
}

.venue-media {
    display: flex;
    justify-content: center;
    align-items: center;
}

.venue-graphic {
    width: 100%;
    max-width: 440px;
    height: 400px;
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: var(--border-radius-lg);
    background-color: var(--color-bg-offset);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.gold-accent-circle {
    position: absolute;
    width: 250px;
    height: 250px;
    border: 1px dashed rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    animation: rotateSlow 40s linear infinite;
}

.arch-svg {
    width: 200px;
    height: 200px;
    z-index: 2;
}

.venue-card {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    background-color: rgba(18, 18, 16, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--color-parchment-border);
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    z-index: 3;
}

.v-card-tag {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-heineken-green);
    letter-spacing: 1.5px;
}

.v-card-name {
    font-family: var(--font-serif-header);
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
}

.v-card-addr {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.v-card-status {
    font-size: 0.75rem;
    color: var(--color-gold);
    margin-top: 0.4rem;
}

/* Animations */
@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 11. Application Form (Register) */
.register-section {
    padding: 8rem 6%;
    max-width: 1200px;
    margin: 0 auto;
}

.register-card-container {
    background-color: var(--color-bg-offset);
    border: 1px solid var(--color-parchment-border);
    border-radius: var(--border-radius-lg);
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.register-info-panel {
    background-color: var(--color-parchment-dark);
    border-right: 1px solid var(--color-parchment-border);
    padding: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.register-info-panel::before {
    content: '';
    position: absolute;
    top: 8px; left: 8px; right: 8px; bottom: 8px;
    border: 1px dashed rgba(212, 175, 55, 0.08);
    pointer-events: none;
}

.register-panel-title {
    font-family: var(--font-serif-header);
    font-size: 2.2rem;
    color: var(--color-text);
    margin-bottom: 2rem;
}

.register-panel-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.guild-seal-container {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.guild-seal {
    width: 90px;
    height: 90px;
    opacity: 0.5;
    transition: var(--transition-smooth);
}

.guild-seal:hover {
    opacity: 0.8;
    transform: rotate(5deg);
}

/* Form Panel styling */
.register-form-panel {
    padding: 4rem;
    position: relative;
}

#guild-application-form {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.form-group.flex-2 { flex: 2; }
.form-group.flex-1 { flex: 1; }

.form-group label {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--color-gold-hover);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input, .form-group textarea {
    background-color: var(--color-bg);
    border: 1px solid var(--color-parchment-border);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: rgba(175, 159, 136, 0.4);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 10px var(--color-gold-glow);
    background-color: rgba(255, 255, 255, 0.01);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.submit-button {
    background-color: var(--color-gold);
    color: #121210;
    border: 1px solid var(--color-gold);
    padding: 1.2rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-serif-header);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-top: 1rem;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.submit-button:hover {
    background-color: var(--color-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 25px var(--color-gold-glow);
}

/* Form Success State styling */
.form-success-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 0;
    gap: 1.5rem;
    animation: fadeIn 0.5s ease forwards;
}

.form-success-message.hidden {
    display: none;
}

.success-icon {
    font-size: 3rem;
    color: var(--color-gold);
    text-shadow: 0 0 15px var(--color-gold-glow);
}

.success-title {
    font-family: var(--font-serif-header);
    font-size: 1.8rem;
    color: var(--color-text);
}

.success-desc {
    font-family: var(--font-serif-body);
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 480px;
    line-height: 1.6;
}

.btn-reset-form {
    background-color: transparent;
    color: var(--color-text-muted);
    border: 1px solid var(--color-parchment-border);
    padding: 0.8rem 1.6rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.btn-reset-form:hover {
    color: var(--color-gold);
    border-color: var(--color-gold-dim);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 12. Footer Section */
.main-footer {
    background-color: #050505;
    border-top: 1px solid var(--color-parchment-border);
    padding: 5rem 6% 2rem 6%;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    border-bottom: 1px solid var(--color-parchment-border);
    padding-bottom: 4rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    font-family: var(--font-serif-header);
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: 2px;
    color: #fff;
}

.footer-tagline {
    font-family: var(--font-serif-body);
    font-size: 0.95rem;
    font-style: italic;
    color: var(--color-text-muted);
    max-width: 320px;
}

.footer-links, .footer-meta {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links h4, .footer-meta h4 {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-gold);
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer-links a:hover {
    color: var(--color-gold);
    padding-left: 4px;
}

.footer-meta p {
    font-size: 0.9rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: rgba(175, 159, 136, 0.4);
}

/* 13. Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-section {
        grid-template-columns: 1fr;
        padding-top: 7rem;
        gap: 3rem;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-details {
        justify-content: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .metric-container {
        flex-direction: column;
        gap: 1.5rem;
    }

    .metric-divider {
        display: none;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .simulator-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .venue-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .venue-info {
        align-items: center;
    }

    .register-card-container {
        grid-template-columns: 1fr;
    }

    .register-info-panel {
        border-right: none;
        border-bottom: 1px solid var(--color-parchment-border);
        padding: 3rem;
    }

    .register-form-panel {
        padding: 3rem;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 1rem 4%;
    }

    .logo-text {
        font-size: 1.15rem;
        letter-spacing: 1px;
    }

    .header-right {
        gap: 0.5rem;
    }

    .lang-switcher {
        gap: 0.4rem;
        font-size: 0.9rem;
    }

    .lang-btn {
        font-size: 0.85rem;
        padding: 0.3rem 0.5rem;
    }

    .cta-button-nav {
        display: none !important; /* Hide CTA button on mobile header to make room for language buttons */
    }

    .nav-menu {
        display: none; /* Hidden on mobile */
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .hero-details {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .radio-grid, .checkbox-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
        gap: 1.2rem;
    }

    .register-info-panel {
        padding: 2.5rem 1.5rem !important;
    }

    .register-form-panel {
        padding: 2.5rem 1.2rem !important;
    }

    .payment-box {
        padding: 1.5rem !important;
        gap: 1.5rem !important;
    }

    .payment-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 1rem !important;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    /* Hide intermediate body sections on mobile */
    .philosophy-section,
    .simulator-section,
    .curriculum-section,
    .venue-section,
    .magister-section {
        display: none !important;
    }

    /* Footer nav links point to hidden sections on mobile */
    .footer-links {
        display: none !important;
    }
}

/* 14. Payment & Subscription Box Styles */
.payment-box {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-parchment-border);
    padding: 2.5rem;
    border-radius: var(--border-radius-md);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.payment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-parchment-border);
    padding-bottom: 1.5rem;
}

.payment-badge {
    font-family: var(--font-serif-header);
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--color-gold);
    border: 1px solid var(--color-gold-dim);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    background-color: rgba(212, 175, 55, 0.05);
}

.payment-price {
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
}

.price-currency {
    font-family: var(--font-serif-header);
    font-size: 1.5rem;
    color: var(--color-gold);
}

.price-amount {
    font-family: var(--font-serif-header);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
}

.price-period {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.payment-explanation {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.payment-title {
    font-family: var(--font-serif-header);
    font-size: 1.4rem;
    color: var(--color-text);
    letter-spacing: 0.5px;
}

.payment-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.payment-features-list {
    list-style: none;
    padding-left: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.payment-features-list li {
    font-size: 0.9rem;
    color: var(--color-text);
    position: relative;
    padding-left: 1.8rem;
}

.payment-features-list li::before {
    content: '✥';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-size: 0.85rem;
}

.payment-button {
    background-color: var(--color-gold);
    color: #121210;
    font-family: var(--font-serif-header);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1.5px;
    padding: 1.2rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-gold);
    cursor: pointer;
    text-align: center;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
    display: block;
    transition: var(--transition-smooth);
}

.payment-button:hover {
    background-color: var(--color-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 25px var(--color-gold-glow);
    color: #000;
}

/* 15. Magister (Teacher) Section Styles */
.magister-section {
    padding: 8rem 6%;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-parchment-border);
    position: relative;
}

.magister-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 5rem;
    align-items: center;
}

@media (max-width: 768px) {
    .magister-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .gold-divider-left {
        margin: 1.5rem auto !important;
    }
    .linkedin-btn {
        margin: 0 auto;
    }
}

.magister-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.magister-avatar-frame {
    position: relative;
    padding: 1.5rem;
    border: 1px solid rgba(212, 175, 55, 0.25);
    background-color: rgba(18, 18, 16, 0.4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.magister-avatar-frame .gold-corner {
    position: absolute;
    width: 15px;
    height: 15px;
    border: 2px solid var(--color-gold);
}

.magister-avatar-frame .gold-corner.tl {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
}

.magister-avatar-frame .gold-corner.tr {
    top: 0;
    right: 0;
    border-left: none;
    border-bottom: none;
}

.magister-avatar-frame .gold-corner.bl {
    bottom: 0;
    left: 0;
    border-right: none;
    border-top: none;
}

.magister-avatar-frame .gold-corner.br {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
}

.avatar-circle {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    border: 2px solid var(--color-gold);
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle, #25231f 0%, #171614 100%);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

.magister-monogram {
    font-family: var(--font-serif-header);
    font-size: 4rem;
    color: var(--color-gold);
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 4px 10px rgba(212, 175, 55, 0.4);
}

.magister-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.magister-name {
    font-family: var(--font-serif-header);
    font-size: 3rem;
    color: var(--color-text);
    margin: 0;
    font-weight: 700;
    letter-spacing: 1px;
}

.magister-title {
    font-family: var(--font-serif-header);
    font-size: 1.1rem;
    color: var(--color-gold);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.gold-divider-left {
    height: 1px;
    width: 100px;
    background: linear-gradient(90deg, var(--color-gold) 0%, rgba(212, 175, 55, 0) 100%);
    margin: 1.5rem 0;
}

.magister-bio {
    font-family: var(--font-serif-body);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin: 0 0 1.2rem 0;
    font-style: italic;
}

.linkedin-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    align-self: flex-start;
    border: 1px solid var(--color-gold);
    border-radius: var(--border-radius-sm);
    padding: 0.8rem 1.6rem;
    font-family: var(--font-serif-header);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-gold);
    text-decoration: none;
    background-color: transparent;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.05);
}

.linkedin-btn:hover {
    background-color: var(--color-gold);
    color: #121210;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
    transform: translateY(-2px);
}

.linkedin-icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.magister-avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}