:root {
    /* Colors */
    --color-primary: #0f172a;
    /* Dark Blue Slate */
    --color-secondary: #c9a27e;
    /* Muted Gold/Bronze */
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-white: #ffffff;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --container-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    font-weight: 500;
}

.serif-text {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    color: var(--color-secondary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.overline {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    color: var(--color-secondary);
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.btn-primary-dynamic {
    background-color: var(--btn-bg) !important;
    color: var(--btn-text) !important;
    border-color: var(--btn-bg) !important;
    transition: all 0.3s ease;
}

.btn-primary-dynamic:hover {
    background-color: var(--btn-hover-bg) !important;
    color: var(--btn-hover-text) !important;
    border-color: var(--btn-hover-bg) !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    z-index: 1000;
    transition: background-color 0.4s ease, height 0.4s ease;
    background-color: transparent;
    /* Starts transparent */
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    height: 70px;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-primary);
}

header.scrolled .logo {
    color: var(--color-primary);
}

/* Header text color changes on scroll if hero is dark, simplified for now: always dark except on dark hero if configured */
/* For this design, let's keep header items color adaptive or fixed. Fixed dark for simplicity unless over dark image. */

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

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-secondary);
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    transition: 0.3s;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #e2e8f0;
    /* Fallback color */
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0f172a;
    /* Dark fallback */
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    z-index: 1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image: radial-gradient(#ffffff 1px, transparent 1px);
    background-size: 40px 40px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
}

.hero-content h1 {
    font-size: clamp(3rem, 5vw, 5rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* About Section */
.about-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
}

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

.about-text h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border-top: 1px solid #eee;
    padding-top: var(--spacing-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-primary);
    margin-bottom: 0.2rem;
}

.stat-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-family: var(--font-serif);
    font-style: italic;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 400px;
    background-color: #f0f4f8;
    background-image:
        linear-gradient(45deg, #e2e8f0 25%, transparent 25%, transparent 75%, #e2e8f0 75%, #e2e8f0),
        linear-gradient(45deg, #e2e8f0 25%, transparent 25%, transparent 75%, #e2e8f0 75%, #e2e8f0);
    background-size: 60px 60px;
    background-position: 0 0, 30px 30px;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0) 70%);
}

.image-placeholder::after {
    content: 'VISUALIZACIÓN';
    position: relative;
    z-index: 2;
    color: var(--color-text-light);
    font-weight: 500;
    letter-spacing: 4px;
    border: 1px solid var(--color-text-light);
    padding: 1rem 2rem;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
}

/* Promotions Section */
.promotions-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-alt);
}

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

.section-header h2 {
    font-size: 2.5rem;
}

.promotions-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.promo-card {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 0;
    /* Seamless look? or gap? Let's try seamless or big gap. */
    background: var(--color-white);
    /* box-shadow: 0 10px 30px rgba(0,0,0,0.05); */
    /* Minimal shadow for premium feel */
}

/* Alternate layout */
.promo-card.reverse {
    grid-template-columns: 0.8fr 1.2fr;
}

.promo-card.reverse .promo-image {
    order: 2;
}

.promo-image {
    height: 500px;
    position: relative;
}

.promo-image .image-placeholder {
    height: 100%;
}

.badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    font-weight: 600;
}

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

.promo-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.promo-content h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.location {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.description {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.features {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--color-text-light);
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-primary);
    color: var(--color-white);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-info h2 {
    color: var(--color-white);
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.contact-details p {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    /* Glassmorphism light */
    padding: var(--spacing-lg);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--color-secondary);
}

.full-width {
    width: 100%;
    margin-top: 1rem;
}

.contact-buttons {
    display: flex;
    gap: 1rem;
}

.btn-flex {
    flex: 1;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-whatsapp:hover {
    background: #1ebc59;
    color: white;
}

/* Footer */
footer {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-white);
    border-top: 1px solid #eee;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

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

.footer-links a,
.footer-col p {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

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

.social-links a {
    font-weight: bold;
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-in-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s ease, transform 1s ease;
}

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

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

/* Responsive */
@media (max-width: 900px) {
    :root {
        --header-height: 60px;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        padding: 2rem;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        border-top: 1px solid #eee;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }

    .mobile-menu-btn.open span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }

    .contact-container,
    .promo-card,
    .promo-card.reverse {
        grid-template-columns: 1fr;
    }

    .about-grid {
        display: flex;
        flex-direction: column;
        gap: 1.5rem !important;
    }

    .about-text {
        display: contents !important;
    }

    .about-text-header {
        order: 1;
        width: 100%;
    }

    .about-image {
        order: 2;
        width: 100%;
    }

    .about-text-body {
        order: 3;
        width: 100%;
    }

    .promo-image {
        height: 300px;
    }

    .promo-card.reverse .promo-image {
        order: -1;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .contact-info h2 {
        font-size: 2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .contact-buttons {
        flex-direction: column;
    }
}