:root {
    --color-white: #ffffff;
    --color-black: #111111;
    --color-dark-grey: #333333;
    --color-light-grey: #f5f5f5;
    --color-border: #e0e0e0;
    --color-accent: #FF5A5F;
    --color-accent-hover: #e04e53;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    --container-width: 1200px;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--color-dark-grey);
    margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-dark-grey);
    border-color: var(--color-dark-grey);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-black);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-black);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-dark-grey);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-black);
    font-weight: 600;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
}

/* Hero Section */
.hero {
    padding-top: calc(var(--spacing-xl) + 60px);
    padding-bottom: var(--spacing-xl);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.subheadline {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    max-width: 90%;
}

.cta-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.5s ease;
}

.hero-image:hover {
    transform: scale(1.02);
}

/* Sections General */
.section {
    padding: var(--spacing-xl) 0;
}

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

/* How It Works */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    text-align: center;
}

.step-card {
    padding: var(--spacing-md);
}

.step-icon {
    width: 50px;
    height: 50px;
    background-color: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto var(--spacing-sm);
}

/* Split Layouts (Visitors & Locals) */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.split-layout.reverse .text-content {
    order: 2;
}

.section-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.5s ease;
}

.section-image:hover {
    transform: scale(1.02);
}

.visitors-section {
    background-color: var(--color-light-grey);
}



/* Why Backpack */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.benefit-card {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.benefit-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transform: translateY(-5px);
    border-color: var(--color-black);
}

.benefit-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

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

.why-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

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

.rewards-content p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark-grey);
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.faq-item {
    padding: var(--spacing-md);
    background-color: var(--color-light-grey);
    border-radius: var(--border-radius);
}

.faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.faq-item p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.footer-brand p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-dark-grey);
}

.footer-contact {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-top: 0.5rem;
}

.footer-contact a {
    font-size: 0.85rem;
    color: var(--color-dark-grey);
    transition: var(--transition);
    text-decoration: none;
}

.footer-contact a[href^="mailto:"] {
    text-decoration: underline;
}

.footer-contact a:hover {
    color: var(--color-black);
}

.contact-divider {
    color: var(--color-border);
    font-size: 0.85rem;
}

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

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-dark-grey);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-black);
    text-decoration: underline;
}

/* --- New Page Styles --- */

.page-body {
    background-color: var(--color-light-grey);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 100px;
    /* Nav height */
    padding-bottom: 40px;
}

.form-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 500px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.page-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.page-subtitle {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark-grey);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.required {
    color: var(--color-accent);
    margin-left: 2px;
}

.optional {
    color: var(--color-dark-grey);
    font-size: 0.85rem;
    font-weight: 400;
    margin-left: 2px;
}

input,
select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--color-black);
}

.disabled-input {
    background-color: var(--color-light-grey);
    color: var(--color-dark-grey);
    cursor: not-allowed;
}

.full-width {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.row-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

/* File Upload Custom Style */
.file-upload-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-upload-wrapper input[type=file] {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-custom-label {
    display: block;
    padding: 12px;
    background: var(--color-light-grey);
    border: 1px dashed var(--color-dark-grey);
    border-radius: 6px;
    text-align: center;
    color: var(--color-dark-grey);
}

/* Result Card */
.result-card {
    text-align: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    animation: fadeIn 0.5s ease;
}

.hidden {
    display: none !important;
}

/* Date Validation Indicators */
.date-valid {
    color: #2e7d32;
    font-weight: 500;
}

.date-invalid {
    color: #d32f2f;
    font-weight: 500;
}

/* Legal Disclaimer Footer */
.disclaimer {
    text-align: center;
    padding: 20px;
    background: #f5f5f5;
    color: #666;
    font-size: 0.85em;
    margin-top: 40px;
    border-top: 1px solid #e0e0e0;
}

.disclaimer p {
    margin: 0;
    max-width: 800px;
    margin: 0 auto;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.code-display {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--color-black);
    background: var(--color-light-grey);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    margin: var(--spacing-sm) 0;
    border: 1px dashed var(--color-black);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.btn.small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    border: none;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(37, 211, 102, 0.2);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-outline:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* Admin Dashboard */
.admin-body {
    background-color: #f8f9fa;
    color: var(--color-black);
    min-height: 100vh;
}

.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.login-box {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.login-box input {
    margin-bottom: var(--spacing-sm);
}

.error-msg {
    color: #cc0000;
    font-size: 0.9rem;
    text-align: center;
    margin-top: var(--spacing-sm);
}

.admin-dashboard {
    padding-bottom: var(--spacing-xl);
}

.admin-header {
    background: white;
    padding: 1rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.admin-table th,
.admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.admin-table th {
    background-color: #f1f1f1;
    font-weight: 600;
}

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-pending {
    background: #fff3cd;
    color: #856404;
}

.badge-approved {
    background: #d4edda;
    color: #155724;
}

.badge-rejected {
    background: #f8d7da;
    color: #721c24;
}

.btn-approve {
    background: #28a745;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-reject {
    background: #dc3545;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 5px;
}

/* Tabs */
.admin-tabs {
    display: flex;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #ddd;
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-dark-grey);
}

.tab-btn.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.tab-content.hidden {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        padding: var(--spacing-sm);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container,
    .steps-grid,
    .split-layout,
    .benefits-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .split-layout.reverse .text-content {
        order: 0;
    }

    .footer-container {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-brand {
        align-items: center;
    }

    .footer-contact {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-links {
        justify-content: center;
    }
}