/* ========================================
   APARTAMENTOS IHURI - STYLES
   Profesional, limpio, seguro
   ======================================== */

/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colores principales - neutros y profesionales */
    --primary-blue: #5a7b8f;
    --primary-blue-dark: #4a6578;
    --secondary-blue: #7f9baa;
    --light-blue: #e8f1f6;
    
    --gray-dark: #2c3e50;
    --gray-medium: #64748b;
    --gray-light: #e2e8f0;
    --gray-bg: #f8fafc;
    
    --white: #ffffff;
    --off-white: #fafafa;
    
    /* Colores de acción */
    --whatsapp: #25d366;
    --whatsapp-hover: #20b858;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Bordes */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

ul {
    list-style: none;
}

/* ========================================
   NAVIGATION
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    color: var(--primary-blue);
    flex-shrink: 0;
}

.logo h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: -0.02em;
}

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

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

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

.btn-nav {
    padding: 0.5rem 1.25rem;
    background-color: var(--primary-blue);
    color: var(--white) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-nav:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.35rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--gray-dark);
    transition: var(--transition-fast);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(90, 123, 143, 0.85) 0%, 
        rgba(127, 155, 170, 0.75) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.9;
    line-height: 1.7;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-cta, .btn-cta-large {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background-color: var(--whatsapp);
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn-cta:hover, .btn-cta-large:hover {
    background-color: var(--whatsapp-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-cta svg, .btn-cta-large svg {
    flex-shrink: 0;
}

.btn-cta-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
}

.btn-map {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-blue);
    color: var(--white);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-map:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   SECTIONS
   ======================================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-dark);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    color: var(--gray-medium);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
    background-color: var(--white);
}

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

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-text .highlight {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--light-blue);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-blue);
}

/* ========================================
   GALLERY SECTION
   ======================================== */
.gallery {
    background-color: var(--gray-bg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.gallery-item:hover .gallery-label {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-featured {
    grid-column: span 2;
}

.gallery-featured img {
    height: 400px;
}

.gallery-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-sm);
    font-weight: 600;
    font-size: 1rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

/* ========================================
   VIDEO TOUR SECTION
   ======================================== */
.video-tour {
    background-color: var(--white);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.video-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.video-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.video-item video {
    width: 100%;
    height: auto;
    display: block;
    background-color: var(--gray-dark);
    min-height: 250px;
}

.video-caption {
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 600;
    color: var(--gray-dark);
    text-align: center;
    background-color: var(--gray-bg);
}

/* ========================================
   APARTMENTS SECTION
   ======================================== */
.apartments {
    background-color: var(--white);
}

.apartments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.apartment-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
    border: 2px solid var(--gray-light);
}

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

.apartment-card.premium {
    border: 2px solid var(--primary-blue);
}

.apartment-header {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    border-bottom: 1px solid var(--gray-light);
}

.apartment-card.premium .apartment-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}

.apartment-badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background-color: var(--primary-blue);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.apartment-card.premium .apartment-badge {
    background-color: rgba(255, 255, 255, 0.25);
}

.apartment-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.apartment-price {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.apartment-price .currency {
    font-size: 1.25rem;
    font-weight: 600;
}

.apartment-price .amount {
    font-size: 2.5rem;
    font-weight: 700;
}

.apartment-price .period {
    font-size: 1rem;
    opacity: 0.8;
}

.apartment-body {
    padding: var(--spacing-md);
}

.apartment-highlight {
    background-color: var(--light-blue);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.apartment-highlight p {
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.apartment-highlight p:last-child {
    margin-bottom: 0;
}

.apartment-features {
    margin-bottom: var(--spacing-md);
}

.apartment-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-light);
    color: var(--gray-dark);
}

.apartment-features li:last-child {
    border-bottom: none;
}

.apartment-features svg {
    flex-shrink: 0;
    color: var(--primary-blue);
}

.apartment-deposit {
    padding: var(--spacing-sm);
    background-color: var(--gray-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.apartment-deposit p {
    font-size: 0.95rem;
    color: var(--gray-dark);
}

.apartment-restrictions {
    padding: var(--spacing-sm);
    background-color: #fff3cd;
    border-radius: var(--radius-md);
    border-left: 3px solid #ffc107;
}

.apartment-restrictions p {
    font-size: 0.9rem;
    color: #856404;
    font-weight: 500;
}

/* ========================================
   SECURITY SECTION
   ======================================== */
.security {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.security-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

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

.security-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.security-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-sm);
}

.security-item p {
    color: var(--gray-medium);
    line-height: 1.6;
}

/* ========================================
   RULES SECTION
   ======================================== */
.rules {
    background-color: var(--white);
}

.rules-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.rule-card {
    background: var(--gray-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid var(--gray-light);
}

.rule-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

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

.rule-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-sm);
}

.rule-card p {
    color: var(--gray-medium);
    line-height: 1.6;
}

/* ========================================
   MISSION SECTION
   ======================================== */
.mission {
    background: linear-gradient(135deg, var(--gray-bg) 0%, var(--white) 100%);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.mission-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.mission-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.mission-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.mission-card p {
    color: var(--gray-dark);
    line-height: 1.8;
    text-align: center;
}

.mission-card ul {
    list-style: none;
    margin-top: var(--spacing-md);
}

.mission-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-dark);
}

.mission-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: 700;
}

/* ========================================
   LOCATION SECTION
   ======================================== */
.location {
    background-color: var(--white);
}

.map-container {
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-container iframe {
    width: 100%;
    height: 450px;
    border: none;
}

.location-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.location-info {
    background: var(--gray-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
}

.location-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.location-info p {
    color: var(--gray-dark);
    line-height: 1.6;
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}

.contact .section-title,
.contact .contact-subtitle {
    color: var(--white);
}

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

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.contact-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-align: left;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.phone-number {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.small-text {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--gray-dark);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
        overflow-y: auto;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links a {
        width: 100%;
        padding: var(--spacing-sm);
        text-align: center;
    }
    
    .btn-nav {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .apartments-grid,
    .security-grid,
    .rules-content,
    .mission-grid,
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-featured {
        grid-column: span 1;
    }
    
    .gallery-featured img {
        height: 300px;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .map-container iframe {
        height: 300px;
    }
    
    section {
        padding: var(--spacing-md) 0;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .apartment-card {
        min-width: 280px;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }