/* ============================================
   THE OTHER SIDE - Luxury Tourism Design
   Refined Southern Cone Travel
   ============================================ */

/* CSS Variables */
:root {
    /* Color Palette - Luxury */
    --color-navy: #0A1929;
    --color-navy-light: #1A2F42;
    --color-gold: #C9A16F;
    --color-gold-light: #D4B484;
    --color-cream: #F8F6F3;
    --color-white: #FFFFFF;
    --color-gray: #E8E6E3;
    --color-gray-dark: #6B7280;
    --color-text: #2D3748;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, system-ui, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    /* Layout */
    --container-max: 1400px;
    --container-padding: 2rem;

    /* Effects */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
}

/* ============================================
   Reset & Base
   ============================================ */

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-white);
    overflow-x: hidden;
}

::selection {
    background: var(--color-gold-light);
    color: var(--color-navy);
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-navy);
}

p {
    margin-bottom: 1rem;
}

em {
    font-style: italic;
    color: var(--color-gold);
}

strong {
    font-weight: 600;
    color: var(--color-navy);
}

/* ============================================
   Layout
   ============================================ */

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
}

/* ============================================
   Navigation
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray);
    padding: var(--space-md) 0;
    transition: all var(--transition);
}

.nav.scrolled {
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-navy);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.brand-icon {
    color: var(--color-gold);
    font-size: 1.25rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    position: relative;
    transition: color var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

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

@media (max-width: 968px) {
    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }
}

/* Mobile Menu */
.mobile-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--color-navy);
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.mobile-link {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-navy);
    text-decoration: none;
    text-align: center;
    transition: color var(--transition);
}

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

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

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 25, 41, 0.7) 0%, rgba(10, 25, 41, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: 0 var(--space-lg);
}

.hero-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(201, 161, 111, 0.15);
    border: 1px solid rgba(201, 161, 111, 0.3);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold-light);
    margin-bottom: var(--space-xl);
}

.hero-title {
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: var(--space-2xl);
    color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-gold);
    color: var(--color-navy);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 2px;
    transition: all var(--transition);
}

.hero-cta:hover {
    background: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 161, 111, 0.3);
}

.hero-cta svg {
    transition: transform var(--transition);
}

.hero-cta:hover svg {
    transform: translateX(4px);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    font-weight: 500;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
}

@media (max-width: 768px) {
    .hero {
        min-height: 500px;
    }

    .hero-scroll {
        display: none;
    }
}

/* ============================================
   Introduction Section
   ============================================ */

.intro {
    padding: var(--space-4xl) 0;
    background: var(--color-cream);
}

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

.intro-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.intro-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-xl);
}

.intro-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
}

/* ============================================
   Section Headers
   ============================================ */

.section-header {
    margin-bottom: var(--space-3xl);
}

.section-header.centered {
    text-align: center;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.section-label.light {
    color: var(--color-gold-light);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-gray-dark);
    max-width: 700px;
}

/* ============================================
   Destinations Grid
   ============================================ */

.destinations {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    grid-auto-rows: 400px;
}

.destination-card {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    cursor: pointer;
}

.destination-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.destination-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.destination-card.wide {
    grid-column: span 2;
}

.card-image {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 25, 41, 0.95) 0%, rgba(10, 25, 41, 0.3) 50%, transparent 100%);
}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl);
    color: var(--color-white);
}

.card-location {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-gold-light);
    margin-bottom: var(--space-sm);
}

.location-dot {
    opacity: 0.5;
}

.card-title {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.card-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-md);
}

.card-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.tag {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

@media (max-width: 1200px) {
    .destinations-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 968px) {
    .destinations-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .destination-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 640px) {
    .destinations-grid {
        grid-template-columns: 1fr;
    }
    
    .destination-card.featured,
    .destination-card.wide {
        grid-column: span 1;
    }
}

/* ============================================
   Experience Section
   ============================================ */

.experience {
    padding: var(--space-4xl) 0;
    background: var(--color-cream);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
}

.exp-item {
    text-align: center;
}

.exp-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.exp-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.exp-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
}

@media (max-width: 968px) {
    .experience-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .experience-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Vision Section
   ============================================ */

.vision {
    padding: var(--space-4xl) 0;
    background: var(--color-navy);
    color: var(--color-white);
}

.vision-content {
    max-width: 900px;
    margin: 0 auto;
}

.vision-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-xl);
}

.vision-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-2xl);
}

.vision-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.pillar {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    transition: all var(--transition);
}

.pillar:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.pillar h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gold-light);
    margin-bottom: var(--space-sm);
}

.pillar p {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.75);
}

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

/* ============================================
   Petition Section
   ============================================ */

.petition {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.petition-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
    align-items: start;
}

.petition-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.petition-text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--space-xl);
}

.petition-stats {
    margin-top: var(--space-2xl);
}

.stat-box {
    padding: var(--space-xl);
    background: var(--color-cream);
    border-radius: 4px;
    text-align: center;
    margin-bottom: var(--space-lg);
}

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gray-dark);
}

.stat-progress {
    margin-top: var(--space-lg);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-gray);
    border-radius: 50px;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    border-radius: 50px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-text {
    font-size: 0.875rem;
    color: var(--color-gray-dark);
    text-align: center;
}

/* Petition Form */
.petition-form-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.petition-form {
    padding: var(--space-2xl);
    background: var(--color-cream);
    border-radius: 4px;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(10, 25, 41, 0.1);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: 2px;
    transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(201, 161, 111, 0.1);
}

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

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-gold);
}

.form-checkbox label {
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--color-text);
    cursor: pointer;
}

.form-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-navy);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition);
}

.form-submit:hover {
    background: var(--color-navy-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.form-submit svg {
    transition: transform var(--transition);
}

.form-submit:hover svg {
    transform: translateX(4px);
}

/* Recent Signatures */
.recent-signatures {
    padding: var(--space-xl);
    background: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: 4px;
}

.signatures-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-gray);
}

.signatures-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.signature-item {
    padding: var(--space-md);
    background: var(--color-cream);
    border-radius: 2px;
    border-left: 3px solid var(--color-gold);
}

.signature-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xs);
}

.signature-name {
    font-weight: 600;
    color: var(--color-navy);
}

.signature-time {
    font-size: 0.8125rem;
    color: var(--color-gray-dark);
}

.signature-location {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.signature-comment {
    font-size: 0.9375rem;
    font-style: italic;
    color: var(--color-text);
    margin-top: var(--space-sm);
    padding-left: var(--space-md);
    border-left: 2px solid var(--color-gray);
}

.no-signatures {
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-gray-dark);
    font-style: italic;
}

@media (max-width: 968px) {
    .petition-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

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

.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--color-navy);
    color: var(--color-white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gold-light);
    margin-bottom: var(--space-md);
}

.footer-text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-col h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gold-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: var(--space-sm);
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-flags {
    font-size: 1.25rem;
}

@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

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

/* ============================================
   Utilities
   ============================================ */

.no-scroll {
    overflow: hidden;
}