/* ============================================
   MAR & TIERRA SERVICIOS - DESIGN SYSTEM
   ============================================ */

/* === IMPORTS === */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700;800&family=Roboto:wght@300;400;500;700&display=swap');

/* === CSS VARIABLES === */
:root {
    /* Colores principales */
    --color-ocean-deep: #0A2463;
    --color-ocean-blue: #1E5AA8;
    --color-ocean-light: #3E7CB1;
    --color-sand: #DBB98F;
    --color-sand-light: #F2E3D5;
    --color-industrial-orange: #FF6B35;
    --color-industrial-yellow: #F7931E;

    /* Colores neutros */
    --color-dark: #1A1A1A;
    --color-gray-dark: #2D2D2D;
    --color-gray: #6B6B6B;
    --color-gray-light: #E5E5E5;
    --color-white: #FFFFFF;

    /* Colores de estado */
    --color-success: #28A745;
    --color-warning: #FFC107;
    --color-error: #DC3545;

    /* Tipografía */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Roboto', sans-serif;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);

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

    /* Bordes */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

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

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

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

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

ul {
    list-style: none;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    color: var(--color-gray);
}

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

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
    position: relative;
    background-color: var(--color-white);
    /* Fondo sólido obligatorio */
    z-index: 10;
    /* Por encima del hero parallaxes */
}

.section-dark {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.section-dark p {
    color: var(--color-gray-light);
}

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

.gradient-text {
    background: linear-gradient(135deg, var(--color-ocean-blue), var(--color-industrial-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-ocean-blue), var(--color-ocean-deep));
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-industrial-orange), var(--color-industrial-yellow));
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-ocean-blue);
    color: var(--color-ocean-blue);
}

.btn-outline:hover {
    background: var(--color-ocean-blue);
    color: var(--color-white);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* === HEADER/NAVIGATION === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 36, 99, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    height: 120px;
    width: auto;
    transition: var(--transition-normal);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
}

.nav-menu {
    display: flex;
    gap: 2rem;
    /* Espaciado uniforme */
    align-items: center;
    margin-left: auto;
    /* Empuja el menú a la derecha */
    padding-left: 3rem;
    /* Espacio extra asegurado desde el logo */
}

.nav-link {
    color: var(--color-white);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    /* Ligeramente más pequeño para que entre todo mejor */
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    padding: 0.5rem 0;
    white-space: nowrap;
    /* Evita que ZONA DE TRABAJO se rompa en dos líneas */
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-industrial-orange);
    transition: var(--transition-normal);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 30px;
    height: 3px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-ocean-deep) 0%, var(--color-dark) 100%);
}

/* Imagen principal de fondo - ajustada para mostrar nombre completo */
.hero::before {
    content: '';
    position: absolute;
    top: -20;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('Imagenes/Mar y Tierra.png') center/cover no-repeat;
    background-position: center 50%;
    opacity: 0.3;
    z-index: 0;
}

/* Overlay más transparente */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 36, 99, 0.5) 0%, rgba(26, 26, 26, 0.7) 100%);
    z-index: 1;
}

/* Imágenes de maquinaria en el fondo */
.hero-bg-machinery {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: var(--spacing-xl) var(--spacing-md);
    animation: fadeInUp 1s ease;
}

.hero-logo {
    max-width: 600px;
    width: 100%;
    height: auto;
    margin: 0 auto var(--spacing-md);
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.5));
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 300;
    margin-bottom: var(--spacing-sm);
    color: var(--color-sand);
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xl);
    color: var(--color-gray-light);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-white);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-white);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

/* === SERVICES SECTION === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-ocean-blue), var(--color-industrial-orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-ocean-blue), var(--color-industrial-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card h3 {
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.service-card ul {
    list-style: none;
}

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

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-industrial-orange);
    font-weight: bold;
}

/* === MACHINERY SECTION === */
#maquinaria {
    position: relative;
    overflow: hidden;
}


#maquinaria::before {
    content: '';
    position: absolute;
    bottom: -25%;
    right: 0%;
    width: 60%;
    height: 70%;
    background: url('Imagenes/topadora.png') center/contain no-repeat;
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

#maquinaria::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: -2%;
    width: 50%;
    height: 60%;
    background: url('Imagenes/excavadora.png') center/contain no-repeat;
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

.machinery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.machinery-card {
    background: var(--color-gray-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    position: relative;
}

.machinery-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.machinery-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.machinery-content {
    padding: var(--spacing-md);
}

.machinery-content h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.machinery-content p {
    color: var(--color-gray-light);
    font-size: 1rem;
}

/* === ZONE SECTION === */
.zone-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-top: var(--spacing-xl);
}

.zone-text h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.zone-highlight {
    font-size: 1.5rem;
    color: var(--color-industrial-orange);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.zone-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.zone-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-industrial-orange);
    transition: var(--transition-normal);
}

.zone-feature:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.zone-feature-icon {
    font-size: 2rem;
    color: var(--color-industrial-orange);
}

.zone-map {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

/* === ABOUT SECTION === */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-top: var(--spacing-xl);
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-text h2 {
    margin-bottom: var(--spacing-md);
}

.about-values {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.value-item {
    padding: var(--spacing-md);
    background: var(--color-sand-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-ocean-blue);
    transition: var(--transition-normal);
}

.value-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.value-item h4 {
    color: var(--color-ocean-deep);
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
}

.value-item p {
    font-size: 0.95rem;
    margin: 0;
}

/* === CONTACT SECTION === */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 2rem;
    color: var(--color-industrial-orange);
    min-width: 50px;
}

.contact-details h3 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--color-gray-light);
    margin: 0;
}

.contact-details a {
    color: var(--color-industrial-orange);
    font-weight: 600;
}

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

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-industrial-orange);
    background: rgba(255, 255, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* === FOOTER === */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 4px solid var(--color-industrial-orange);
}

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

.footer-section h3 {
    color: var(--color-industrial-orange);
    margin-bottom: var(--spacing-md);
}

.footer-section p,
.footer-section a {
    color: var(--color-gray-light);
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--color-industrial-orange);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(0);
    }

    40% {
        opacity: 1;
    }

    80% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }

    100% {
        opacity: 0;
    }
}

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

/* === PRODUCTS SECTION === */
#productos {
    position: relative;
    overflow: hidden;
}

#productos::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('Imagenes/Planta de asfalto.jpg') center/cover no-repeat;
    opacity: 0.1;
    /* Opacidad suave para no interferir con la lectura */
    z-index: 0;
    pointer-events: none;
}

#productos .container {
    position: relative;
    z-index: 1;
}

.qr-contact-box {
    backdrop-filter: blur(5px);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* === RESPONSIVE === */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 36, 99, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-xl) 0;
        transition: var(--transition-normal);
    }

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

    .nav {
        justify-content: center;
        position: relative;
        padding: 0.5rem 0;
    }

    .menu-toggle {
        display: flex;
        position: absolute;
        right: var(--spacing-md);
    }

    .hero-content {
        padding: var(--spacing-lg) var(--spacing-md);
        width: 100%;
    }

    .hero-logo {
        max-width: 280px;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .zone-content,
    .about-content,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 640px) {
    .section {
        padding: var(--spacing-xl) 0;
    }

    .services-grid,
    .machinery-grid {
        grid-template-columns: 1fr;
    }

    .logo {
        height: 50px;
    }
}