/* 
   Antonia Araneda Estudio 
   Design System
*/

:root {
    --color-white: #FFFFFF;
    --color-dark-grey: #4A4A4A;
    --color-light-grey: #EAEAEA;
    --color-gold: #B58A3C;
    --color-bg: #FCFCFC;
    --color-text: #2D2D2D;
    
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vh;
    background-image: url('Logo-AAestudio.jpg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.03; /* Muy sutil */
    z-index: -1;
    pointer-events: none;
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    color: var(--color-dark-grey);
    line-height: 1.2;
}

p {
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-dark-grey);
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.bg-light {
    background-color: var(--color-light-grey);
}

.section-tag {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

/* Header */
.header {
    padding: 2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 60px;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.nav ul {
    display: flex;
    gap: var(--spacing-md);
}

.nav a {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 400;
}

.nav a:hover {
    color: var(--color-gold);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1.2rem 2.8rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--color-gold);
}

.btn-accent {
    background-color: var(--color-gold);
    color: var(--color-white);
}

.btn-accent:hover {
    background-color: var(--color-dark-grey);
}

.btn-dark {
    background-color: #000;
    color: #fff;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background-color: var(--color-white);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.eyebrow {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    display: block;
    font-weight: 300;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 500px;
    opacity: 0.9;
}

.hero-image-bg {
    position: absolute;
    right: 0;
    top: 0;
    width: 45%;
    height: 100%;
    background-color: var(--color-light-grey);
    z-index: 1;
    background-image: url('https://images.unsplash.com/photo-1618221195710-dd6b41faaea6?auto=format&fit=crop&q=80&w=1200');
    background-size: cover;
    background-position: center;
}

/* General Layout */
.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.8rem;
}

/* About */
.image-placeholder {
    background-color: var(--color-light-grey);
    position: relative;
    overflow: hidden;
}

.editorial {
    height: 600px;
    background-image: url('https://images.unsplash.com/photo-1615529182904-14819c35db37?auto=format&fit=crop&q=80&w=1000');
    background-size: cover;
    background-position: center;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-5px);
}

.service-num {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    color: var(--color-gold);
    display: block;
    margin-bottom: var(--spacing-sm);
}

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

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.project-item {
    cursor: pointer;
}

.project {
    height: 450px;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
}

.project:hover {
    opacity: 0.9;
}

.project-item:nth-child(1) .project { background-image: url('https://images.unsplash.com/photo-1600210492486-724fe5c67fb0?auto=format&fit=crop&q=80&w=800'); background-size: cover; }
.project-item:nth-child(2) .project { background-image: url('https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&q=80&w=800'); background-size: cover; }
.project-item:nth-child(3) .project { background-image: url('https://images.unsplash.com/photo-1600607687920-4e2a09cf159d?auto=format&fit=crop&q=80&w=800'); background-size: cover; }
.project-item:nth-child(4) .project { background-image: url('https://images.unsplash.com/photo-1497366811353-6870744d04b2?auto=format&fit=crop&q=80&w=800'); background-size: cover; }

.project-info h3 {
    font-size: 1.2rem;
    margin-bottom: 2px;
}

.project-info p {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gold);
}

/* Methodology */
.method-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.step {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-gold);
}

.step-num {
    font-family: var(--font-serif);
    font-size: 0.8rem;
    color: var(--color-gold);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.step h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.step p {
    font-size: 0.9rem;
}

/* CTA */
.cta-box {
    text-align: center;
    background-color: var(--color-dark-grey);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-md);
}

.cta-box h2 {
    color: var(--color-white);
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta-box p {
    color: var(--color-white);
    opacity: 0.8;
    margin-bottom: 2.5rem;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.contact-details {
    margin-top: var(--spacing-lg);
}

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

.contact-form {
    display: grid;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.form-group input, 
.form-group textarea {
    padding: 1rem;
    border: 1px solid var(--color-light-grey);
    background-color: var(--color-white);
    font-family: var(--font-sans);
    transition: var(--transition);
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-light-grey);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-logo {
    margin-bottom: var(--spacing-sm);
}

.footer-logo .logo {
    height: 100px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-copy {
    font-size: 0.7rem;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3.5rem; }
    .services-grid, .method-steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .grid, .contact-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.8rem; }
    .hero-image-bg { display: none; }
    .hero-content { text-align: center; margin: 0 auto; }
    .nav { display: none; }
    .services-grid, .method-steps, .projects-grid { grid-template-columns: 1fr; }
    .section-header h2 { font-size: 2.2rem; }
}