:root {
    --bg-color: #000000;
    --bg-accent: #0a0a0a;
    --text-color: #ffffff;
    --text-dim: #a0a0a0;
    --primary-color: #ffffff;
    --accent-color: #333333;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --font-main: 'Montserrat', sans-serif;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Sections */
.section {
    padding: 8rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

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

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

header.scrolled {
    padding: 1rem 0;
    background: rgba(0, 0, 0, 0.95);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 3px;
    color: var(--text-color);
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    opacity: 0.7;
}

.nav-links a:hover {
    opacity: 1;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at 70% 30%, #151515 0%, #000 100%);
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('AMG STUDIO WEB-visuales/IMAGENES-VIDEOS PARA LA GALERIA/Amg/1702B7E5-93B6-4E74-8F36-3A58B6C5F9E5.jpg') center/cover;
    opacity: 0.1;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 5rem;
    line-height: 1;
    margin-bottom: 2rem;
    font-weight: 700;
    letter-spacing: -2px;
}

.hero h1 span {
    display: block;
    font-weight: 300;
    font-size: 3.5rem;
    letter-spacing: 2px;
    margin-top: 0.5rem;
    opacity: 0.8;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-dim);
    margin-bottom: 2.5rem;
    font-weight: 300;
    max-width: 700px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-color);
    box-shadow: inset 0 0 0 2px var(--primary-color);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-color);
    box-shadow: inset 0 0 0 1px var(--text-color);
}

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

.w-full {
    width: 100%;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 3rem;
    background: var(--bg-accent);
    border: 1px solid var(--accent-color);
    transition: var(--transition);
}

.service-card:hover {
    background: #111;
    transform: translateY(-10px);
}

.service-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.portfolio-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.portfolio-footer p {
    font-weight: 600;
    letter-spacing: 1px;
}

/* Contact */
.contact-details {
    list-style: none;
    margin-top: 2rem;
}

.contact-details li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-details a {
    color: var(--text-color);
    text-decoration: none;
}

.contact-form {
    background: var(--bg-accent);
    padding: 3rem;
}

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

.form-group label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--text-color);
    font-family: var(--font-main);
    transition: var(--transition);
}

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

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.8rem;
}

.form-checkbox a {
    color: var(--text-color);
}

/* Footer */
footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--accent-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.hashtags {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hashtags span {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: var(--transition);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: var(--transition);
}

.revealed {
    opacity: 1;
    transform: translate(0, 0);
}

/* Glassmorphism & Effects */
.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.text-gradient {
    background: linear-gradient(to right, #fff 0%, #666 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Mobile Menu Active State */
.nav-links.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-color);
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.nav-links.active li {
    margin: 1.5rem 0;
}

.nav-links.active a {
    font-size: 1.5rem;
}

/* Responsive */
@media (max-width: 991px) {
    .hero h1 {
        font-size: 3.5rem;
    }

    .hero h1 span {
        font-size: 2.2rem;
    }

    .grid-2 {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 5rem 0;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-footer {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .hashtags {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }
}
/* Dynamic Visuals Additions */
.clients-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    margin-top: 2rem;
}

.client-logo img {
    max-width: 150px;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(100%) brightness(200%);
    opacity: 0.7;
    transition: var(--transition);
}

.client-logo img:hover {
    filter: grayscale(0%) brightness(100%);
    opacity: 1;
}

/* Portfolio Masonry */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    grid-auto-flow: dense;
}

.project-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: auto !important; /* Override inline styles if any */
    background: transparent !important;
}

.project-item img,
.project-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.project-item:hover img,
.project-item:hover video {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem 1rem 1rem;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: #fff;
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
}

.project-item:hover .project-overlay {
    opacity: 1;
}

.project-overlay span {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}