:root {
    --primary-color: #BE222F;
    --primary-hover: #9c1c26;
    --text-main: #1A1A1A;
    --text-muted: #666666;
    --bg-light: #F5F7FA;
    --bg-white: #FFFFFF;
    --border-color: #E2E8F0;
    --success-color: #10B981;
    --error-color: #EF4444;
    
    --font-main: 'Inter', sans-serif;
    
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}

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

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

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

ul {
    list-style: none;
}

/* Layout Classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: var(--spacing-xxl) 0;
}

.text-center { text-align: center; }
.mt-6 { margin-top: 1.5rem; }
.mt-12 { margin-top: 3rem; }
.mb-4 { margin-bottom: 1rem; }
.max-w-3xl { max-width: 48rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.bg-light { background-color: var(--bg-light); }
.hidden { display: none !important; }

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-main);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    line-height: 1.5;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: white;
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Header & Navigation */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.header-logo {
    height: 70px;
    width: auto;
    display: block;
    object-fit: contain;
}

.logo-placeholder {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.05em;
    color: var(--text-main);
}

.logo-placeholder.light {
    color: white;
}

.logo-placeholder.small {
    font-size: 1rem;
}

.logo-text {
    font-weight: 700;
}

.main-nav .nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    position: relative;
    transition: var(--transition);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    left: 0;
    transition: var(--transition);
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

/* Hero Section */
.hero-section {
    position: relative;
    padding: 160px 0 100px;
    background-color: #2c3e50; /* Fallback */
    background-image: linear-gradient(rgba(26, 26, 26, 0.8), rgba(26, 26, 26, 0.8)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect fill="%232c3e50" width="100" height="100"/><path fill="rgba(255,255,255,0.05)" d="M0 100h100v-50L50 0 0 50z"/></svg>'); /* Placeholder background for project cargo feel */
    background-size: cover;
    background-position: center;
    color: white;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-text-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-headline {
    color: white;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero-subheadline {
    font-size: 1.25rem;
    font-weight: 300;
    color: #e2e8f0;
    margin-bottom: 2.5rem;
}

.hero-event-details {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 500;
}

.detail-item svg {
    color: var(--primary-color);
}

.detail-item.highlight {
    background: rgba(190, 34, 47, 0.2);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(190, 34, 47, 0.5);
}

.detail-item.highlight svg {
    color: #ff4d5a;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Event Highlights */
.section-header {
    margin-bottom: 4rem;
}

.card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.event-card {
    text-align: center;
}

.event-card .card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: var(--bg-light);
    color: var(--text-main);
    border-radius: 50%;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.event-card:hover .card-icon {
    background-color: var(--primary-color);
    color: white;
}

.event-card.highlight {
    border-color: var(--primary-color);
    position: relative;
    overflow: hidden;
}

.event-card.highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--primary-color);
}

.event-card h3 {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.event-card p {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-main);
}

/* Feature Cards */
.feature-card .card-icon {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h4 {
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* Appointment Section */
.appointment-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sticky-info {
    position: static;
    text-align: center;
}

.sticky-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.sticky-info .subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.info-branding {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.event-tag {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-light);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.info-list {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 1.5rem;
}

.info-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 1.1rem;
}

.info-list svg {
    color: var(--primary-color);
}

/* Form Styles */
.appointment-form-container {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-section {
    border: none;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 1.5rem;
    padding-bottom: 0;
}

.form-section legend {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group label, .label-text {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.required {
    color: var(--primary-color);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--text-main);
    background-color: var(--bg-white);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(190, 34, 47, 0.1);
}

.readonly-input {
    background-color: var(--bg-light) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed;
    font-weight: 500;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox Cards */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.checkbox-card {
    position: relative;
    cursor: pointer;
}

.checkbox-card input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.card-content {
    display: block;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    background-color: var(--bg-white);
    user-select: none;
}

.checkbox-card input:checked ~ .card-content {
    background-color: rgba(190, 34, 47, 0.05);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.checkbox-card:hover .card-content {
    border-color: #a0aec0;
}

/* Radio Buttons */
.radio-group.inline {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
}

.radio-label input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    margin-right: 0.5rem;
    position: relative;
    transition: var(--transition);
}

.radio-custom::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-color);
    transition: var(--transition);
}

.radio-label input:checked ~ .radio-custom {
    border-color: var(--primary-color);
}

.radio-label input:checked ~ .radio-custom::after {
    transform: translate(-50%, -50%) scale(1);
}

/* Form Validation */
.error-message {
    display: none;
    color: var(--error-color);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.form-group.error input,
.form-group.error select {
    border-color: var(--error-color);
}

.form-group.error .error-message {
    display: block;
}

.privacy-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 1rem;
}

/* Success Message */
.success-message-container {
    text-align: center;
    padding: 3rem 1rem;
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    margin-bottom: 2rem;
}

.success-message-container h3 {
    font-size: 2.5rem;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.success-primary {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.success-secondary {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Footer */
.site-footer {
    background-color: #1A1A1A;
    color: #e2e8f0;
    padding: 5rem 0 2rem;
}

.footer-top {
    margin-bottom: 4rem;
}

.footer-col h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.footer-col p {
    margin-bottom: 0.5rem;
    color: #a0aec0;
}

.brand-col .slogan {
    margin-top: 1rem;
    font-style: italic;
    color: #a0aec0;
}

.footer-col a {
    color: #a0aec0;
}

.footer-col a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #718096;
    font-size: 0.9rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}


/* Minimal Footer */
.site-footer-minimal {
    background-color: #1A1A1A;
    color: #718096;
    text-align: center;
    padding: 1.25rem 0;
    font-size: 0.875rem;
}

/* Media Queries */
@media (max-width: 768px) {
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .hero-event-details {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hidden-mobile {
        display: none !important;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        box-shadow: var(--shadow-md);
        padding: 1.5rem;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.3s ease-in-out;
    }
    
    .main-nav.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .main-nav .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .appointment-form-container {
        padding: 2rem 1.5rem;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
}