:root {
    --bg-color: #0a0a0a;
    --text-color: #f5f5f5;
    --accent-color: #d4af37; /* Dorado/Champagne elegante */
    --card-bg: #141414;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-color);
}

.logo::after {
    content: '.';
    color: var(--accent-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: color 0.3s;
    text-transform: uppercase;
}

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

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: transparent; /* Ahora el fondo es dinámico */
}

/* Dynamic Background Container */
.bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    transition: background-image 1.2s ease-in-out;
}

.bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(rgba(10, 10, 10, 0.5), rgba(10, 10, 10, 0.95));
}

.hero-content {
    max-width: 900px;
    padding: 2rem;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    margin-bottom: 1rem;
    font-weight: 400;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    letter-spacing: 3px;
    color: var(--accent-color);
    text-transform: uppercase;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.4s ease;
    cursor: pointer;
}

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

/* Sections */
.section {
    padding: 8rem 5%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    font-weight: 400;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--accent-color);
    margin: 1.5rem auto 0;
}

.section-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    color: #aaa;
    font-weight: 300;
}

/* Vida y Obras */
.dual-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.card {
    background: var(--card-bg);
    padding: 4rem 3rem;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s ease;
}

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

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.card h3 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.card p {
    color: #aaa;
    font-size: 1.1rem;
    font-weight: 300;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    overflow: hidden;
    position: relative;
}

.portfolio-img {
    height: 400px;
    background-size: cover;
    background-position: center;
    background-color: #111; /* Fondo oscuro por defecto si no hay imagen */
    display: flex;
    align-items: flex-end;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.overlay {
    width: 100%;
    padding: 1.2rem 1.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    opacity: 1; /* SIEMPRE VISIBLE */
    transform: translateY(0); /* SIEMPRE VISIBLE */
    transition: none; /* Sin animaciones que lo oculten */
}

.proj-title {
    font-family: var(--font-body) !important;
    font-size: 0.85rem !important; /* Tamaño equilibrado */
    font-weight: 500 !important; /* Un poco más gruesa, como pediste */
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--text-color);
    margin-bottom: 4px;
    display: block;
}

.proj-details {
    font-family: var(--font-body) !important;
    font-size: 0.65rem !important;
    font-weight: 300 !important; /* Más fina */
    color: rgba(255,255,255,0.8);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    display: block;
}

/* Indicador de Video */
.video-indicator {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.2);
    opacity: 0.8;
    transition: all 0.3s ease;
}

.video-indicator svg {
    width: 15px;
    height: 15px;
    fill: var(--accent-color);
    margin-left: 2px;
}

.portfolio-item:hover .video-indicator {
    opacity: 1;
    transform: scale(1.1);
    background: var(--accent-color);
}

.portfolio-item:hover .video-indicator svg {
    fill: black;
}

.portfolio-item:hover .portfolio-img {
    transform: scale(1.05);
}

.portfolio-item:hover .overlay {
    transform: translateY(0);
    opacity: 1;
}

/* Contact */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1.2rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid #444;
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

.contact-form .btn {
    align-self: flex-start;
    margin-top: 1rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Login Container */
.login-container {
    background: var(--card-bg);
    padding: 4rem;
    border-radius: 4px;
    border-top: 3px solid var(--accent-color);
    width: 100%;
    max-width: 450px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* Modal Gallery */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.95);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 90%;
    height: 100%;
}

.modal-content img {
    max-width: 100%;
    max-height: 80vh;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
}

.close-modal {
    position: absolute;
    top: 30px;
    right: 50px;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
    z-index: 2001;
}

.modal-nav {
    margin-top: 2rem;
    display: flex;
    gap: 3rem;
}

.nav-btn {
    background: transparent;
    border: 1px solid #444;
    color: #fff;
    padding: 1rem 2rem;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.nav-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

@media (max-width: 900px) {
    .dual-container {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 2.8rem;
    }
    .nav-links {
        display: none; /* Simplificación para móvil en este demo */
    }
}