/* Serenity Azul - Style Sheet */

:root {
    --primary-color: #004a7c; /* Azul Marino del Logo */
    --secondary-color: #1eb4cf; /* Azul Turquesa del Logo */
    --accent-color: #1eb4cf; /* Usamos el turquesa como acento */
    --text-dark: #1a3a5a; /* Azul muy oscuro para texto */
    --text-light: #666666;
    --white: #ffffff;
    --bg-light: #f4f9fb;
    --bg-dark: #004a7c; /* Fondo oscuro usando el azul primario */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 600;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

.text-center { text-align: center; }
.mt-30 { margin-top: 30px; }
.mt-50 { margin-top: 50px; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--bg-dark); }
.text-white { color: var(--white); }

.subtitle {
    display: block;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 12px;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

h2 {
    font-size: 48px;
    margin-bottom: 25px;
    color: var(--primary-color);
    line-height: 1.2;
}

.img-responsive {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

/* Header & Nav */
#main-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

#main-header.scrolled {
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

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

.brand-logo {
    height: 60px;
    width: auto;
    transition: var(--transition);
}

#main-header.scrolled .brand-logo {
    height: 50px;
}

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-color);
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.lang-switch {
    font-size: 12px;
    border-left: 1px solid #ddd;
    padding-left: 20px;
    color: var(--primary-color);
}

.btn-contact {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: 12px 28px;
    border-radius: 2px; /* Estilo más cuadrado/boutique */
    font-size: 12px !important;
}

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

/* Hero Section */
#hero {
    height: 100vh;
    background: url('../images/gallery/02.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,74,124,0.4), rgba(0,0,0,0.2));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

#hero h1 {
    font-size: 84px;
    margin-bottom: 20px;
    line-height: 1;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

#hero p {
    font-size: 22px;
    margin-bottom: 40px;
    font-weight: 300;
    letter-spacing: 1px;
}

.btn-scroll {
    border: 1px solid var(--white);
    padding: 18px 45px;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 12px;
    transition: var(--transition);
}

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

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.grid-2-rev {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

/* Feature Cards */
.feature-card {
    background: var(--white);
    padding: 50px 40px;
    text-align: center;
    box-shadow: 0 15px 45px rgba(0,0,0,0.03);
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-bottom: 3px solid var(--secondary-color);
}

.card-icon {
    font-size: 45px;
    margin-bottom: 25px;
    display: block;
}

.feature-card h3 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Location List */
.location-list {
    margin: 35px 0;
}

.location-list li {
    margin-bottom: 18px;
    padding-left: 30px;
    position: relative;
    font-weight: 500;
}

.location-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 15px;
    height: 1px;
    background: var(--secondary-color);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 60px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    height: 350px;
    border-radius: 2px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.gallery-item .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 74, 124, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .overlay {
    opacity: 1;
}

.gallery-item .overlay span {
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 26px;
    letter-spacing: 2px;
}

/* Sister Property Section */
.sister-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    background: var(--bg-light);
    border: 1px solid rgba(0, 74, 124, 0.12);
    border-radius: 2px;
    padding: 40px 45px;
    margin-top: 60px;
}

.sister-info {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-shrink: 0;
}

.sister-icon {
    width: 50px;
    height: 50px;
    border: 1px solid var(--secondary-color);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sister-name {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
    line-height: 1.1;
}

.sister-location {
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-light);
    margin: 6px 0 0;
}

.sister-desc {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-light);
    max-width: 320px;
    flex: 1;
    min-width: 200px;
}

/* Sister Property CTA Button (gradient, elevated) */
.btn-sister-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-size: 200% 200%;
    background-position: 0% 50%;
    color: var(--white);
    padding: 18px 40px;
    border-radius: 2px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    flex-shrink: 0;
    box-shadow: 0 10px 30px rgba(0, 74, 124, 0.25);
    transition: background-position 0.5s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-sister-cta .btn-arrow {
    transition: transform 0.3s ease;
}

.btn-sister-cta:hover {
    background-position: 100% 50%;
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(30, 180, 207, 0.35);
}

.btn-sister-cta:hover .btn-arrow {
    transform: translateX(4px);
}

@media (max-width: 768px) {
    .sister-card { flex-direction: column; text-align: center; padding: 35px 25px; }
    .sister-info { flex-direction: column; }
    .sister-desc { text-align: center; }
}

/* Contact Form */
.contact-form {
    background: #f0f7f9;
    padding: 50px;
    border-radius: 2px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 18px;
    border: 1px solid #e1e8ed;
    background: var(--white);
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--secondary-color);
}

.btn-submit {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 20px 30px;
    width: 100%;
    cursor: pointer;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 12px;
    transition: var(--transition);
}

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

/* Footer */
footer {
    padding: 80px 0;
    background: #fafafa;
    border-top: 1px solid #eee;
}

.footer-logo {
    height: 80px;
    margin-bottom: 30px;
}

.social-links {
    margin-top: 25px;
}

.social-links a {
    margin: 0 20px;
    font-size: 13px;
    color: var(--primary-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Burger Menu */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 2px;
    background-color: var(--primary-color);
    margin: 5px;
    transition: all 0.3s ease;
}

/* Responsive */
@media (max-width: 1024px) {
    #hero h1 { font-size: 64px; }
    .grid-2, .grid-2-rev { gap: 40px; }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 92vh;
        top: 8vh;
        background-color: var(--white);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        z-index: 100;
        padding-top: 50px;
    }
    
    .nav-links li { opacity: 0; }
    
    .burger { display: block; }
    
    .grid-2, .grid-2-rev, .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .grid-2-rev .image-block { order: -1; }
    
    #hero h1 { font-size: 48px; }
    
    .nav-active { transform: translateX(0%); }
    
    .lang-switch {
        border-left: none;
        border-top: 1px solid #eee;
        padding-left: 0;
        padding-top: 20px;
        margin-top: 20px;
    }
}

@keyframes navLinkFade {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0px); }
}

.toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
.toggle .line2 { opacity: 0; }
.toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }

/* Lightbox Styles */
#lightbox {
    position: fixed;
    z-index: 2000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

#lightbox.active {
    display: flex;
}

#lightbox img {
    max-width: 90%;
    max-height: 80%;
    border: 3px solid white;
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
    transition: transform 0.3s ease;
}

#lightbox:hover img {
    transform: scale(1.02);
}