/* =========================================
   AURALIS LAB - DESIGN SYSTEM & STYLES
   ========================================= */

/* --- CSS Variables --- */
:root {
    --color-bg: #F9F8F6;          /* Blanco cálido */
    --color-bg-soft: #EFECE7;     /* Beige muy suave */
    --color-dark: #232220;        /* Negro carbón suave */
    --color-text: #4C4843;        /* Gris oscuro cálido */
    --color-accent: #B0A08A;      /* Tono tierra/arena suave */
    
    --font-sans: 'Poppins', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    --transition-smooth: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: all 0.3s ease;
}

/* --- Reset & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

h1, h2, h3, h4, h5, h6 {
    color: var(--color-dark);
    font-weight: 400;
}

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

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

ul {
    list-style: none;
}

/* --- Typography Utilities --- */
.section-title {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-badge {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 0.8rem;
    display: block;
}

.text-center { text-align: center; }
.text-light { color: var(--color-bg) !important; }
.text-light-muted { color: rgba(249, 248, 246, 0.7); }

/* --- Layout Utilities --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 7rem 0;
}

.bg-soft { background-color: var(--color-bg-soft); }
.bg-dark { background-color: var(--color-dark); color: var(--color-bg); }

/* --- Buttons & Components --- */
.btn-primary, .btn-outline, .btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-transform: uppercase;
}

.btn-primary {
    background-color: var(--color-dark);
    color: var(--color-bg);
}
.btn-primary:hover {
    background-color: var(--color-accent);
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-dark);
    border: 1px solid rgba(35, 34, 32, 0.3);
}
.btn-outline:hover {
    background-color: var(--color-dark);
    color: var(--color-bg);
    border-color: var(--color-dark);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    gap: 12px;
    margin-top: 1.5rem;
    border-radius: 30px;
    text-transform: none;
    font-weight: 500;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
    background-color: #1EBE5A;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.w-100 { width: 100%; }

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 2rem 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background-color: rgba(249, 248, 246, 0.96);
    backdrop-filter: blur(10px);
    padding: 1.2rem 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--color-dark);
    font-weight: 600;
    z-index: 1001; 
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links li a {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}
.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 1px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}
.nav-links li a:hover::after {
    width: 100%;
}
.nav-links li a:hover {
    color: var(--color-accent);
}

.btn-nav {
    border: 1px solid var(--color-dark);
    padding: 0.6rem 1.4rem;
    border-radius: 30px;
}
.btn-nav::after { display: none !important; }
.btn-nav:hover {
    background-color: var(--color-dark);
    color: var(--color-bg) !important;
}

.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1001;
}
.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-dark);
    margin: 5px 0;
    transition: var(--transition-fast);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1;
}
.hero-image::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(249, 248, 246, 0.25) 0%, rgba(249, 248, 246, 0.95) 100%);
}
.hero-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center;
    animation: zoomOut 20s ease-out infinite alternate;
}

@keyframes zoomOut {
    0% { transform: scale(1.08); }
    100% { transform: scale(1); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
    margin-top: 5rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}
.hero-title span {
    font-style: italic;
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--color-text);
    font-weight: 300;
}

/* --- About Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--color-text);
}

.image-wrapper {
    overflow: hidden;
    position: relative;
}
.image-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255,255,255,0.1);
    pointer-events: none;
    z-index: 10;
}
.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.5s ease;
}
.image-wrapper:hover img {
    transform: scale(1.04);
}

.quote-section {
    padding: 5rem 0;
    text-align: center;
}
.emotional-quote {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-style: italic;
    color: var(--color-accent);
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.5;
}

/* --- Services --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.service-card {
    background: var(--color-bg);
    padding: 3.5rem 2.5rem;
    border-top: 3px solid transparent;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}
.service-card:hover {
    transform: translateY(-12px);
    border-top-color: var(--color-accent);
    box-shadow: 0 20px 40px rgba(0,0,0,0.04);
}

.service-card h4 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
}

.service-desc {
    margin-bottom: 2rem;
    font-size: 0.95rem;
    line-height: 1.7;
    flex-grow: 1;
}

.service-includes {
    margin-bottom: 2rem;
    padding-left: 1.2rem;
}
.service-includes li {
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    position: relative;
    color: var(--color-text);
}
.service-includes li::before {
    content: '→';
    position: absolute;
    left: -1.4rem;
    color: var(--color-accent);
}

.service-price {
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

/* --- Portfolio --- */
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 350px;
    gap: 1.5rem;
    margin-top: 4rem;
}

.masonry-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.masonry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.masonry-item.item-large {
    grid-column: span 2;
    grid-row: span 2;
}

.masonry-item .overlay {
    position: absolute;
    inset: 0;
    background: rgba(35, 34, 32, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}
.masonry-item .overlay span {
    color: white;
    font-family: var(--font-serif);
    font-size: 1.8rem;
    transform: translateY(20px);
    transition: var(--transition-smooth);
    letter-spacing: 1px;
}
.masonry-item:hover img {
    transform: scale(1.05);
}
.masonry-item:hover .overlay {
    opacity: 1;
}
.masonry-item:hover .overlay span {
    transform: translateY(0);
}

/* --- Process --- */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-top: 5rem;
}
.step-num {
    font-family: var(--font-serif);
    font-size: 4rem;
    color: var(--color-accent);
    opacity: 0.3;
    margin-bottom: 0.5rem;
    line-height: 1;
    transition: var(--transition-fast);
}
.step:hover .step-num {
    opacity: 0.8;
    transform: translateX(10px);
}
.step h4 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-family: var(--font-serif);
}
.step p {
    font-size: 0.95rem;
    color: var(--color-text);
}

/* --- Products --- */
.product-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
}
.product-list {
    margin-top: 2.5rem;
}
.product-list li {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(42, 42, 42, 0.1);
    font-size: 0.95rem;
    line-height: 1.6;
}
.product-list li strong {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.3rem;
    color: var(--color-dark);
}

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}
.contact-form {
    background: var(--color-bg);
    padding: 3.5rem;
    border-radius: 4px;
}
.form-group {
    margin-bottom: 1.8rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-dark);
    font-weight: 500;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    background: transparent;
    border: 1px solid rgba(42, 42, 42, 0.15);
    font-family: var(--font-sans);
    color: var(--color-dark);
    transition: var(--transition-fast);
    font-size: 0.95rem;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-dark);
    background-color: white;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-bg);
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid rgba(42, 42, 42, 0.08);
}
.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}
.footer p {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}
.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}
.social-links a {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    font-weight: 500;
}
.social-links a:hover {
    color: var(--color-accent);
}

/* --- Animations & Utilities --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-smooth);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.fade-up {
    animation: fadeUpAnim 1.4s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes fadeUpAnim {
    0% { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* --- Responsive Layout --- */
@media screen and (max-width: 992px) {
    .about-grid, .product-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .process-steps {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    .hero-title {
        font-size: 3.5rem;
    }
    .masonry-grid {
        grid-auto-rows: 280px;
    }
}

@media screen and (max-width: 768px) {
    .section {
        padding: 5rem 0;
    }
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 100vw; height: 100vh;
        background-color: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition-smooth);
    }
    .nav-links.active {
        right: 0;
    }
    .hamburger {
        display: block;
    }
    .hamburger.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    .masonry-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 300px;
    }
    .masonry-item.item-large {
        grid-column: span 1;
        grid-row: span 1;
    }
    .contact-form {
        padding: 2rem 1.5rem;
    }
}