/* HERO SECTION */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 var(--padding-global);
    position: relative;
    padding-top: 100px;
    overflow: hidden; 
}

/* Estilos de Video y Overlay */
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    filter: brightness(0.8) contrast(1.1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(5,5,5,0.1) 0%, rgba(5,5,5,0.9) 100%), linear-gradient(to bottom, rgba(5,5,5,0.3) 0%, rgba(5,5,5,1) 100%);
    z-index: 1;
}

.hero-container, .scroll-indicator {
    z-index: 2; 
    position: relative;
}

.hero-container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.hero-title {
    display: flex;
    flex-direction: column;
    font-size: clamp(2.5rem, 8vw, 7rem); 
    letter-spacing: -2px;
    margin-bottom: 2rem;
}

.hero-line {
    display: block;
    line-height: 0.95;
    text-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.hero-line.accent {
    color: var(--color-primary);
    font-style: italic; 
    font-weight: 900;
}

.hero-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
    margin-top: 5vh;
}

.hero-subtitle {
    max-width: 450px;
    font-size: 1.25rem;
    color: var(--color-text-sec);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: var(--padding-global);
    display: flex;
    align-items: center;
    gap: 15px;
    transform: rotate(-90deg);
    transform-origin: left center;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    opacity: 0.7;
    animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.scroll-indicator .line {
    width: 60px;
    height: 1px;
    background-color: var(--color-text-main);
    box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

/* SECTION GLOBALS */
.section-title {
    font-size: clamp(1.8rem, 6vw, 5rem);
    margin-bottom: 2.5rem;
    color: var(--color-text-main);
    letter-spacing: -1px;
}

.section-title span {
    color: var(--color-primary);
}

/* ABOUT SECTION */
.about {
    padding: 150px var(--padding-global);
    background-color: var(--color-bg-base);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 50%; left: 0;
    width: 40vw; height: 40vw;
    background: radial-gradient(circle, rgba(255, 59, 48, 0.05) 0%, transparent 70%);
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 0;
}

.about-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

@media (max-width: 1024px) {
    .about-container {
        grid-template-columns: 1fr;
    }
}

.about-lead {
    font-size: clamp(2rem, 4vw, 3rem);
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--color-text-main);
}

.about-desc {
    font-size: 1.15rem;
    color: var(--color-text-sec);
    margin-bottom: 3rem;
    max-width: 95%;
}

.about-desc strong {
    color: var(--color-text-main);
    font-weight: 700;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.link-arrow span {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-block;
}

.link-arrow:hover {
    color: var(--color-text-main);
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.link-arrow:hover span {
    transform: translateX(12px);
}

.about-visual {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.about-img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    transform: scale(1.05);
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5));
    transition: transform 0.6s ease;
}

.about-img:hover {
    transform: scale(1.08) translateY(-10px);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(20,20,20,0.8), rgba(10,10,10,0.9));
    border: 1px solid rgba(255,255,255,0.05);
    color: var(--color-text-sec);
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

/* LOGO SLIDER (MARQUEE) */
.logo-slider {
    padding: 80px 0;
    background-color: var(--color-bg-base);
    border-top: 1px solid rgba(255,255,255,0.03);
    border-bottom: 1px solid rgba(255,255,255,0.03);
    overflow: hidden;
    display: flex;
    position: relative;
}

.logo-slider::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.02) 0%, transparent 100%);
    pointer-events: none;
}

.marquee-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
    display: flex;
}

.marquee-wrapper::before,
.marquee-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    width: 20vw;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.marquee-wrapper::before {
    left: 0;
    background: linear-gradient(to right, var(--color-bg-base) 0%, transparent 100%);
}

.marquee-wrapper::after {
    right: 0;
    background: linear-gradient(to left, var(--color-bg-base) 0%, transparent 100%);
}

.marquee-track {
    display: flex;
    width: max-content; 
    animation: marquee 35s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused; 
}

.marquee-group {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 8rem;
    padding-right: 8rem; 
}

.logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: var(--transition-smooth);
}

.logo-item a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    cursor: none; /* Mantener cursor personalizado */
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo-item:hover a {
    transform: scale(1.1);
}

.logo-item a img {
    height: 130px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 0 rgba(255,255,255,0));
    transition: filter 0.4s ease;
}

.logo-item:hover a img {
    filter: drop-shadow(0 0 15px rgba(255,255,255,0.1));
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); } 
}

/* SERVICES SECTION */
.services {
    padding: 150px var(--padding-global);
    background-color: var(--color-bg-sec);
    position: relative;
}

.services-header {
    max-width: 1400px;
    margin: 0 auto 5rem auto;
}

.services-list {
    max-width: 1400px;
    margin: 0 auto;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.service-block {
    padding: 3.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    cursor: none;
    transition: var(--transition-smooth);
}

.service-block::before {
    content: '';
    position: absolute;
    bottom: -1px; left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-block:hover::before {
    width: 100%;
}

.service-block:hover {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
    background-color: rgba(255, 255, 255, 0.01);
}

.service-name {
    font-size: clamp(2rem, 6vw, 4.5rem);
    color: var(--color-text-sec);
    transition: var(--transition-smooth);
    position: relative;
    z-index: 2;
    letter-spacing: -1px;
}

.service-block:hover .service-name {
    color: var(--color-text-main);
    transform: scale(1.05);
    transform-origin: left;
}

.service-hover-img {
    position: absolute;
    right: 15%;
    top: 50%;
    transform: translateY(-50%) scale(0.8) rotate(-5deg);
    width: 350px;
    aspect-ratio: 16/9;
    background: rgba(20,20,20,0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border-radius: 12px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-sec);
    overflow: hidden;
}

.service-block:hover .service-hover-img {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) scale(1) rotate(0deg);
}

@media (max-width: 1024px) {
    .service-hover-img {
        display: none;
    }
    .service-block:hover {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* WORKS SECTION */
.works {
    padding: 150px var(--padding-global);
    background-color: var(--color-bg-base);
}

.works-header {
    margin-bottom: 5rem;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.work-card {
    display: block;
    cursor: none;
}

.work-img {
    aspect-ratio: 16/10;
    overflow: hidden;
    margin-bottom: 2rem;
    background-color: var(--color-bg-sec);
    position: relative; 
    border-radius: 12px;
}

.work-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.8s ease;
    z-index: 1;
    filter: brightness(0.9);
}

.work-card:hover .work-video {
    transform: scale(1.08);
    filter: brightness(1.1);
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
    opacity: 0.5;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2;
    pointer-events: none;
}

.work-card:hover .work-overlay {
    opacity: 0.8;
}

.work-info h3 {
    font-size: 1.8rem;
    color: var(--color-text-main);
    margin-bottom: 0.8rem;
    transition: var(--transition-fast);
}

.work-card:hover .work-info h3 {
    color: var(--color-primary);
}

.work-info p {
    font-size: 1.1rem;
    color: var(--color-text-sec);
    line-height: 1.5;
}

.works-footer {
    width: 100%;
    margin-top: 6rem;
    display: flex;
    justify-content: center;
}

@media (max-width: 768px) {
    .works-grid {
        grid-template-columns: 1fr;
    }
}

/* MASONRY PORTFOLIO SECTION (trabajos.html) */

/* Botón Volver */
.btn-back {
    display: inline-block;
    color: var(--color-text-sec);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}
.btn-back:hover {
    color: var(--color-primary);
    transform: translateX(-10px);
    border-bottom-color: var(--color-primary);
}

/* Filtros Glassmorphism */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}
.filter-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-main);
    padding: 0.6rem 1.5rem;
    border-radius: 30px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    cursor: none; 
}
.filter-btn:hover, .filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary-glow);
    transform: translateY(-3px);
}

/* Indicador Ver Proyecto */
.view-project {
    display: block;
    margin-top: 1rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text-sec);
    transition: var(--transition-smooth);
}
.masonry-item:hover .view-project {
    color: var(--color-primary);
    transform: translateX(10px);
}

/* Ocultar items filtrados */
.masonry-item.hidden {
    display: none;
}

.portfolio-page {
    padding: 160px var(--padding-global) 120px;
    background-color: var(--color-bg-base);
    min-height: 100vh;
}
.portfolio-header {
    max-width: 1400px;
    margin: 0 auto 5rem auto;
    text-align: center;
}
.portfolio-title {
    font-size: clamp(2.5rem, 8vw, 6rem);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -2px;
}
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 400px;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}
@media (max-width: 1024px) {
    .masonry-grid { 
        grid-template-columns: repeat(2, 1fr); 
        grid-auto-rows: 350px;
    }
}
@media (max-width: 600px) {
    .portfolio-page {
        padding-top: 120px;
        padding-bottom: 80px;
    }
    .masonry-grid { 
        grid-template-columns: 1fr; 
        grid-auto-rows: auto;
        gap: 2rem;
    }
    .masonry-item {
        aspect-ratio: 1 / 1;
        height: auto;
    }
    .masonry-overlay {
        padding: 1.5rem;
    }
}
.masonry-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background-color: var(--color-bg-sec);
    display: flex;
    flex-direction: column;
    cursor: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    
    /* Fix safari video inner-overflow clipping bug */
    -webkit-mask-image: -webkit-radial-gradient(white, black);
    mask-image: radial-gradient(white, black);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translate3d(0, 0, 0);
}

/* Specific Grid Pattern */
.masonry-item:nth-child(1) { grid-column: span 1; }
.masonry-item:nth-child(2) { grid-column: span 2; }
.masonry-item:nth-child(3) { grid-column: span 1; }
.masonry-item:nth-child(4) { grid-column: span 3; }
.masonry-item:nth-child(5) { grid-column: span 1; }
.masonry-item:nth-child(6) { grid-column: span 1; }
.masonry-item:nth-child(7) { grid-column: span 2; }
.masonry-item:nth-child(8) { grid-column: span 1; }

@media (max-width: 1024px) {
    .masonry-item:nth-child(n) { grid-column: span 1; }
    .masonry-item:nth-child(4) { grid-column: span 2; }
}
@media (max-width: 600px) {
    .masonry-item:nth-child(n) { grid-column: span 1; }
}
.masonry-media {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.8s ease;
    filter: brightness(0.85);
    border-radius: 16px;
}
.masonry-item:hover .masonry-media {
    transform: scale(1.1);
    filter: brightness(1);
}
.masonry-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0) 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2.5rem;
}
.masonry-item:hover .masonry-overlay {
    opacity: 1;
}
.masonry-info h3 {
    font-size: 1.8rem;
    color: var(--color-text-main);
    margin-bottom: 0.5rem;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.masonry-info p {
    font-size: 1rem;
    color: var(--color-text-sec);
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
}
.masonry-item:hover .masonry-info h3,
.masonry-item:hover .masonry-info p {
    transform: translateY(0);
    opacity: 1;
}

@media (hover: none) {
    .masonry-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 70%);
    }
    .masonry-info h3,
    .masonry-info p {
        transform: translateY(0);
        opacity: 1;
    }
}

/* =========================================================================
   CASE STUDY (PROYECTOS) PAGES
   ========================================================================= */

.case-study-hero {
    position: relative;
    width: 100vw;
    height: 90vh; /* Premium big hero */
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}
.hero-overlay-dark {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.8) 100%);
    z-index: -1;
}
.case-study-hero-content {
    text-align: center;
    padding: 0 1.5rem;
    z-index: 2;
    width: 100%;
}
.case-study-title {
    font-size: clamp(2.2rem, 8vw, 6rem);
    font-weight: 800;
    color: var(--color-bg); /* White */
    margin: 0;
    line-height: 1.1;
    letter-spacing: -2px;
}

/* Meta Data Band */
.case-study-meta {
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.meta-item h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-sec);
    margin-bottom: 0.5rem;
}
.meta-item p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
}
@media (max-width: 600px) {
    .case-study-meta {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 3rem 1.5rem;
    }
}

/* Details Section */
.case-study-content {
    padding: 6rem 2rem;
}
.content-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}
@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}
.content-left h2 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
}
.content-right p {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-text-sec);
    margin-bottom: 1.5rem;
}

/* Gallery Section */
.case-study-gallery {
    padding-bottom: 8rem;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}
.gallery-item {
    border-radius: 16px;
    overflow: hidden;
    background: var(--color-bg-sec);
    min-height: 300px; /* Placeholder until images come */
}
.gallery-item.span-2 {
    grid-column: span 2;
    min-height: 600px;
}
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    .gallery-item.span-2 {
        grid-column: span 1;
        min-height: 300px;
    }
}

/* Next Project CTA */
.next-project {
    padding: 8rem 2rem;
    text-align: center;
    background-color: var(--color-bg);
    color: var(--color-text-main);
    border-top: 1px solid rgba(255, 255, 255, 0.05); /* Separador sutil */
}
.next-project p {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    opacity: 0.7;
}
.next-project-title {
    font-size: clamp(2rem, 5vw, 5rem);
    font-weight: 800;
    color: var(--color-text-main);
    text-decoration: none;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), color 0.3s ease;
    display: inline-block;
}
.next-project-title:hover {
    color: var(--color-primary);
    transform: scale(1.05);
}