/* =========================================
   VENERA Water - Stylesheet
   ========================================= */

/* --- CSS Variables --- */
:root {
    /* Color Palette */
    --color-primary: #0A4476;
    --color-deep: #132C42;
    --color-digital: #69A6DB;
    --color-light: #ADD9FF;
    --color-ice: #E0F1FF;
    --color-white: #FFFFFF;
    --color-bg: #F4F7F9;
    --color-text: #132C42;
    
    /* Typography */
    --font-main: 'DM Sans', system-ui, -apple-system, sans-serif;
    --font-display: 'Bebas Neue', 'Outfit', sans-serif;
    
    /* Spacing & Layout */
    --container-max: 1200px;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Radii & Shadows */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 4px 6px rgba(16, 42, 67, 0.05);
    --shadow-md: 0 10px 25px rgba(16, 42, 67, 0.1);
    --shadow-lg: 0 20px 40px rgba(16, 42, 67, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* --- Resets --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px; /* Offset for sticky header */
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.1;
    font-weight: 400;
    margin-bottom: 1rem;
    color: var(--color-deep);
    font-family: var(--font-display);
    letter-spacing: 0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 2vw, 2rem); }
h4 { font-size: 1.25rem; font-weight: 600; }
h5 { font-size: 1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

p { margin-bottom: 1rem; }

/* --- Layout Utilities --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: var(--spacing-xl) 0;
}

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

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

.section-dark h2, .section-dark h3 {
    color: var(--color-white);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-text);
    opacity: 0.8;
}

.w-full { width: 100%; }
.mt-4 { margin-top: 1rem; }
.text-center { text-align: center; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-deep);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
}

.btn-secondary {
    background-color: var(--color-ice);
    color: var(--color-primary);
    border: 2px solid transparent;
}

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

/* --- Header / Navigation --- */
header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    z-index: 1000;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

.logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo img {
    max-height: 80px;
    width: auto;
}

.logo-text {
    font-size: 1.8rem;
    font-family: var(--font-display);
    font-weight: 400;
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    transition: opacity var(--transition-fast);
}

.nav-links a:hover {
    opacity: 0.8;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

/* --- Hero Carousel --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background-color: var(--color-deep);
    overflow: hidden;
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: flex-end; /* Baja los elementos */
    padding-bottom: 8rem; /* Separación del fondo */
    z-index: 1;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 2;
}

.hero-content {
    position: relative;
    color: var(--color-white);
    max-width: 800px;
}

/* Reduced size by 5% */
.hero h1 {
    color: var(--color-white);
    margin-bottom: 1rem;
    text-wrap: balance;
    font-size: clamp(2.37rem, 4.75vw, 3.8rem);
}

.hero .subtitle {
    font-size: 1.42rem;
    font-weight: 500;
    color: var(--color-light);
    margin-bottom: 1.4rem;
}

.beneficio-card h4 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.beneficio-card p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 0;
}

.hero .description {
    font-size: 1.06rem;
    opacity: 0.9;
    margin-bottom: 2.3rem;
    max-width: 600px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero .btn {
    padding: 0.83rem 1.66rem;
    font-size: 0.95rem;
}

/* --- Carousel Controls --- */
.carousel-controls {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    transform: translateY(-50%);
    z-index: 10;
    pointer-events: none;
}

.carousel-arrow {
    background: transparent;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    pointer-events: auto;
    opacity: 0.7;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-arrow:hover {
    opacity: 1;
    transform: scale(1.1);
}

.carousel-indicators {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.carousel-dot:hover, .carousel-dot.active {
    background-color: var(--color-white);
    transform: scale(1.2);
}

/* --- Wave Transition Effect --- */
.hero-waves {
    position: absolute;
    bottom: -1px; 
    left: 0;
    width: 100%;
    height: 120px;
    z-index: 5;
    pointer-events: none;
    transform: translateY(100%); /* Oculto debajo por defecto */
}

.hero-waves .wave {
    width: 200%;
    height: 100%;
    transform: translateX(0);
}

.hero-bottom-bar {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 10px; /* safety bar ensures seamless transition to white section */
    background-color: var(--color-white);
    z-index: 4;
}

/* Animations triggered via JS */
.hero.is-transitioning .hero-waves {
    animation: wave-rise 1s ease-in-out forwards;
}

.hero.is-transitioning .wave {
    animation: wave-move 1s linear forwards;
}

@keyframes wave-rise {
    0% { transform: translateY(100%); }
    30% { transform: translateY(30%); } /* Sube tapando parte inferior */
    70% { transform: translateY(30%); } /* Se mantiene */
    100% { transform: translateY(100%); } /* Baja escondiéndose */
}

@keyframes wave-move {
    0% { transform: translateX(0); }
    100% { transform: translateX(-25%); } /* Movimiento lateral */
}

/* --- Products Section --- */
.grid-productos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    border: 1px solid rgba(10, 68, 118, 0.05);
}

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

.card.featured {
    border: 2px solid var(--color-digital);
    box-shadow: var(--shadow-md);
}

.card.featured:hover {
    box-shadow: var(--shadow-lg);
}

.producto-img {
    width: 100%;
    height: 250px;
    object-fit: contain;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-sm);
    background-color: var(--color-white);
    padding: 1rem;
    transition: transform var(--transition-normal);
}

.card:hover .producto-img {
    transform: scale(1.05);
}

.card-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-ice);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 1.5rem;
}

.card-tag.highlight {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.card h3 {
    margin-bottom: 0.5rem;
}

.producto-personality {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    line-height: 1.4;
    font-style: italic;
    opacity: 0.9;
}

.info-secundaria {
    background-color: var(--color-ice);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.95rem;
    color: var(--color-deep);
}

/* --- Benefits Section --- */
.grid-beneficios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.beneficio-card {
    text-align: center;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.beneficio-icon {
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    height: 80px;
    width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-ice);
    border-radius: 50%;
    transition: transform var(--transition-normal);
}

.beneficio-card:hover .beneficio-icon {
    transform: scale(1.1) rotate(5deg);
}

.beneficio-icon svg,
.beneficio-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

/* --- Service Section --- */
.servicio-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.servicio-lista {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    text-align: left;
}

.servicio-lista li {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

/* --- FAQ Section --- */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-white);
    border: 1px solid rgba(10, 68, 118, 0.1);
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: box-shadow var(--transition-fast);
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
}

.faq-item summary {
    padding: 1.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-deep);
    cursor: pointer;
    list-style: none; /* Hide default arrow */
    position: relative;
}

/* Custom arrow for summary */
.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-content {
    padding: 0 1.5rem 1.5rem;
    color: var(--color-text);
}

/* --- Contact Section --- */
.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contacto-info h2 {
    margin-bottom: 1rem;
}

.contacto-details {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-deep);
}

.contact-link span {
    font-size: 1.5rem;
}

.contact-link:hover:not(.location) {
    color: var(--color-digital);
}

/* Form Styles */
.form-container {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-deep);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid rgba(10, 68, 118, 0.2);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background-color: var(--color-bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-digital);
    box-shadow: 0 0 0 3px rgba(105, 166, 219, 0.2);
    background-color: var(--color-white);
}

/* --- Footer --- */
footer {
    background-color: var(--color-deep);
    color: var(--color-ice);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    display: block;
    margin-bottom: 0.5rem;
}

.footer-location {
    opacity: 0.8;
}

.footer-contact a,
.footer-social a {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-ice);
    opacity: 0.8;
}

.footer-contact a:hover,
.footer-social a:hover {
    color: var(--color-white);
    opacity: 1;
}

.footer-seo {
    margin-bottom: 2rem;
    opacity: 0.7;
    font-size: 0.875rem;
    max-width: 800px;
}

.footer-seo h5 {
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    opacity: 0.6;
    font-size: 0.875rem;
}

/* --- Floating WhatsApp --- */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: clamp(50px, 8vw, 60px);
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    z-index: 9999;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.whatsapp-float img {
    width: 100%;
    height: auto;
    display: block;
}

.whatsapp-float:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-md);
}

/* --- Media Queries --- */
@media (max-width: 992px) {
    h1 { font-size: 3rem; }
    .contacto-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    nav {
        position: absolute;
        top: 100px;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        clip-path: circle(0% at top right);
        transition: clip-path 0.4s ease-in-out;
    }

    nav.active {
        clip-path: circle(150% at top right);
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
        width: 100%;
    }

    .nav-cta {
        margin-top: 1rem;
        width: 100%;
        text-align: center;
    }

    /* Menu toggle animation */
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .hero-ctas {
        flex-direction: column;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }
}