/* ============================================
   INMAR - Sitio Web Corporativo
   Archivo: styles.css
   Descripción: Estilos principales del sitio
   ============================================ */

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    /* Colores */
    --color-dark: #2F2D2D;
    --color-light: #FBF8F4;
    --color-white: #FFFFFF;
    --color-accent: #2F2D2D;

    /* Tipografía */
    
    --font-primary: 'Lexend Tera', sans-serif;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: #2F2D2D;
    overflow-x: hidden;
    height: -webkit-fill-available; /* Safari iOS: altura real del viewport */
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-dark);
    color: var(--color-dark);
    line-height: 1.6;
    letter-spacing: 0.1em;
    overflow-x: hidden;
    min-height: 100vh;
    min-height: -webkit-fill-available; /* Safari iOS */
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Lexend Tera', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

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

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

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    padding: 0 5%;
}

section {
    padding: 100px 0;
}

/* ============================================
   HEADER Y NAVEGACIÓN
   ============================================ */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-dark);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    /* Safe area para notch de iPhone */
    padding-top: env(safe-area-inset-top);
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

/* Logo */
.logo {
    display: inline-block;
    transition: var(--transition-normal);
}

.logo:hover {
    opacity: 0.8;
}

/* Logo SVG */
.logo-desktop {
    height: 45px;
    width: auto;
    display: block;
}

.logo-mobile {
    height: 40px;
    width: auto;
    display: none;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    color: var(--color-light);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.4em;
    padding: 0.5rem 1rem;
    transition: var(--transition-normal);
}

.nav-menu a:hover {
    color: var(--color-white);
    opacity: 0.8;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 30px;
    height: 3px;
    background-color: var(--color-light);
    transition: var(--transition-normal);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    min-height: 100vh;
    min-height: -webkit-fill-available; /* Safari iOS: evita que la barra URL recorte el hero */
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: var(--color-dark);
    color: var(--color-light);
    text-align: left;
    /* Padding-top suma la safe area del notch al offset del header fijo */
    padding-top: calc(170px + env(safe-area-inset-top));
    padding-bottom: 100px;
}

.hero-title {
    font-size: clamp(1rem, 5vw, 6rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
    word-break: keep-all;
}

.hero-subtitle {
    font-size: clamp(0.9rem, 2vw, 1.2rem);
    font-weight: 400;
    letter-spacing: 0.1em;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.hero-section .about-text {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.8;
    margin-bottom: 0;
    max-width: 100%;
    color: var(--color-light);
}

/* Galería fuera del .container → ocupa todo el VW con 5% de margen */
.hero-section .about-gallery {
    display: flex;
    flex-wrap: nowrap;
    gap: 0;
    margin-top: var(--spacing-lg);
    width: 100%;
    padding: 0 5%;
}

.gallery-item {
    flex: 1;
    min-width: 0;
    height: 350px;
    overflow: hidden;
    background-color: #555;
    transition: var(--transition-normal);
}

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

.gallery-item:hover img {
    opacity: 0.8;
}

/* ============================================
   CONSTRUCTION SECTION
   ============================================ */
.construction-section {
    background-color: var(--color-light);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
}

.section-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    max-width: 100%;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary,
.btn-secondary,
.btn-submit {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
    border-radius: 5px;
    margin-top: 40px;
}

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

.btn-primary:hover {
    background-color: var(--color-light);
    color: var(--color-dark);
    border: 2px solid var(--color-dark);
}

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

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

.btn-submit {
    background-color: var(--color-dark);
    color: var(--color-light);
    width: 100%;
    margin-top: var(--spacing-sm);
}

.btn-submit:hover {
    opacity: 0.9;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-section {
    background-color: var(--color-dark);
    color: var(--color-light);
}

.projects-section .section-title,
.projects-section .section-description {
    color: var(--color-light);
}

/* Carousel Container */
.carousel-container {
    position: relative;
    margin-top: var(--spacing-lg);
    padding: 0;
    width: 100%;
    overflow: hidden;
}

.carousel-wrapper {
    overflow: hidden;
    width: 100%;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    gap: 0;
    width: 100%;
    align-items: stretch;
}

/* Project Card */
.project-card {
    min-width: 100%;
    width: 100%;
    max-width: 100%;
    flex-shrink: 0;
    flex-grow: 0;
    background-color: var(--color-light);
    color: var(--color-dark);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-sizing: border-box;
}

.project-image {
    width: 100%;
    height: 500px;
    background-color: #ddd;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.project-info p {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.project-description {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-description-ventajas {
    font-size: 20px;
    font-weight: bold;
}

/* Carousel Buttons - Ocultos, solo usar indicadores */
.carousel-btn {
    display: none;
}

/* Carousel Indicators */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: var(--spacing-md);
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-fast);
}

.indicator.active {
    background-color: var(--color-light);
    width: 30px;
    border-radius: 6px;
}

/* ============================================
   CONTRAPISO SECTION
   ============================================ */
.contrapiso-section {
    background-color: var(--color-dark);
    color: var(--color-light);
}

.contrapiso-section .section-title,
.contrapiso-section .section-subtitle,
.contrapiso-section .section-description {
    color: var(--color-light);
}

/* ---- Carousel de imágenes - Contrapisos ---- */
.cp-carousel-container {
    position: relative;
    width: 100%;
    margin: var(--spacing-lg) 0;
    display: flex;
    align-items: center;
}

.cp-carousel-wrapper {
    overflow: hidden;
    width: 100%;
    border-radius: 4px;
}

.cp-carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.cp-carousel-slide {
    min-width: 100%;
    flex-shrink: 0;
}

.cp-carousel-slide img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}

.cp-carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    border: none;
    padding: 12px 18px;
    cursor: pointer;
    font-size: 2.2rem;
    line-height: 1;
    transition: background 0.3s;
    border-radius: 4px;
    user-select: none;
}

.cp-carousel-btn:hover {
    background: rgba(0, 0, 0, 0.85);
}

.cp-prev { left: 10px; }
.cp-next { right: 10px; }

.cp-carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: var(--spacing-md);
}

.cp-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    padding: 0;
}

.cp-indicator.active {
    background-color: var(--color-light);
    width: 30px;
    border-radius: 6px;
}

@media (max-width: 768px) {
    .cp-carousel-slide img {
        height: 240px;
    }
    .cp-carousel-btn {
        padding: 8px 12px;
        font-size: 1.6rem;
    }
}

/* Botón en sección de contrapiso - fondo claro para contraste */
.contrapiso-section .btn-primary {
    background-color: var(--color-light);
    color: var(--color-dark);
    border: 2px solid var(--color-light);
}

.contrapiso-section .btn-primary:hover {
    background-color: transparent;
    color: var(--color-light);
    border: 2px solid var(--color-light);
}

.section-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   COVERAGE AREA SECTION
   ============================================ */
.coverage-section {
    background-color: var(--color-light);
}

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

.coverage-section .section-description {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

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

.coverage-item {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-dark);
    transition: var(--transition-normal);
}

.coverage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.coverage-item h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.coverage-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    background-color: var(--color-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* era 400px: desbordaba en iPhone (390px) */
    gap: var(--spacing-lg);
    margin-top: 0px;
}

/* Contact Form */
.contact-form-wrapper {
    max-width: 600px;
}

.form-intro {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 0.8rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    border: 2px solid var(--color-dark);
    background-color: var(--color-white);
    transition: var(--transition-normal);
    /* Safari iOS: elimina estilos nativos del sistema operativo */
    -webkit-appearance: none;
    appearance: none;
    border-radius: 0;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-dark);
    box-shadow: 0 0 0 3px rgba(47, 45, 45, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 4px;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-info h3 {
    font-size: 1.5rem;
    line-height: 1.4;
}

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

.contact-details a {
    color: var(--color-dark);
}

.contact-details a:hover {
    text-decoration: underline;
}

.business-hours {
    font-size: 0.95rem;
    opacity: 0.8;
}

/* Map Container */
.map-container {
    width: 100%;
    height: 300px;
    border: 2px solid var(--color-dark);
    overflow: hidden;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: var(--spacing-md) 0;
    /* Safe area para home indicator de iPhone */
    padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    text-align: center;
}

.footer p {
    margin: 0;
    font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    /* About Gallery - Ocultar última imagen en tablet */
    .gallery-item-6 {
        display: none;
    }
}

/* Mobile */
@media (max-width: 768px) {
    /* Reducir padding de secciones en mobile */
    section {
        padding: 60px 0;
    }

    /* Navigation */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-md);
        transition: var(--transition-normal);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu a {
        font-size: 2rem;
        letter-spacing: 0.5rem;
    }

    /* Logo - Mostrar versión mobile */
    .logo-desktop {
        display: none;
    }

    .logo-mobile {
        display: block;
    }

    /* Hero Section - ajustar top para header + safe area del notch */
    .hero-section {
        text-align: left;
        padding-top: calc(120px + env(safe-area-inset-top));
        padding-bottom: 60px;
    }

    /* Sections: mantener 100px en mobile */
    /* (heredado del global) */

    /* Coverage Grid */
    .coverage-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    /* Contact Grid */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .contact-form-wrapper,
    .contact-info {
        max-width: 100%;
    }

    /* Carousel */
    .project-image {
        height: 250px;
    }

    /* Gallery altura en mobile */
    .gallery-item {
        height: 220px;
    }

    /* About Gallery - Ocultar últimas 2 imágenes en mobile */
    .gallery-item-5,
    .gallery-item-6 {
        display: none;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    /* Mantener 5% de márgenes laterales (heredado del .container global) */

    .logo-mobile {
        height: 35px;
    }

    .project-info {
        padding: var(--spacing-sm);
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
    }

    /* Gallery altura en small mobile */
    .gallery-item {
        height: 180px;
    }

    /* About Gallery - Mostrar solo 3 imágenes en small mobile */
    .gallery-item-4,
    .gallery-item-5,
    .gallery-item-6 {
        display: none;
    }
}

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

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

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

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

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