:root {
    /* Color Palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --text-primary: #e5e5e5;
    --text-secondary: #999999;
    --accent: #d4af37;
    /* Subtle gold/champagne accent */
    --accent-hover: #f1c40f;
    --border-color: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;

    /* Spacing */
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Transitions */
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.3s ease;
}

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

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
    /* For custom cursor */
}

::selection {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* Typography elements */
h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--space-md);
    position: relative;
    display: inline-block;
}

.lead-text {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-weight: 300;
}

/* Layout */
.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
}

.section {
    padding: var(--space-xl) 0;
    scroll-margin-top: 100px;
    /* Evita que el navbar fijo tape el título de la sección */
}

/* Custom Cursor */
.cursor-dot,
.cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: var(--text-primary);
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

/* Preloader */
.preloader {
    position: fixed;
    top: -20vh;
    bottom: -20vh;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 1.2s cubic-bezier(0.77, 0, 0.175, 1);
}

.preloader.fade-out {
    transform: translateY(-100%);
}

.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.preloader.fade-out .preloader-content {
    opacity: 0;
}

.preloader .logo-jp {
    font-size: 3rem;
    margin-bottom: 0px; /* Reduced to bring rquitectos closer if on next line, or same line */
}

.preloader .logo-text {
    font-size: 1rem;
    letter-spacing: 3px;
    margin-bottom: 2rem;
}

.loading-bar {
    width: 200px;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.loading-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background-color: var(--text-primary);
    animation: loadProgress 1s ease-out forwards;
}

@keyframes loadProgress {
    0% {
        width: 0%;
    }

    50% {
        width: 60%;
    }

    100% {
        width: 100%;
    }
}

/* Interactions */
.hover-link {
    position: relative;
    display: inline-block;
}

.hover-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: currentColor;
    transition: width var(--transition-smooth);
}

.hover-link:hover::after {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--space-md) 0;
    z-index: 100;
    transition: padding var(--transition-smooth), background-color var(--transition-smooth);
}

.navbar.scrolled {
    padding: var(--space-sm) 0;
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0; /* Changed from 0.5rem to remove space between I.A and rquitectos */
    z-index: 101;
}

.logo-jp {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -1px;
}

.logo-text {
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 300;
    color: var(--text-secondary);
}

.nav-links {
    display: flex;
    gap: var(--space-md);
}

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition-fast);
}

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

/* Dropdown Menu */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 250px;
    background-color: rgba(10, 10, 10, 0.5);
    /* Translúcido en lugar de opaco */
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    padding: var(--space-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    font-size: 0.8rem;
    display: block;
    padding: 0.5rem var(--space-md);
    text-transform: none;
    /* Make sub-items less aggressive if wanted, or keep uppercase */
}

.dropdown-menu a:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 101;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    /* For parallax */
    background-color: #222;
    /* Fallback */
    /* Generated image will be applied via JS/inline css */
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(10, 10, 10, 1) 100%);
    z-index: -1;
}

.hero-content {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    padding-top: var(--space-xl);
}

.hero-title {
    font-size: clamp(4rem, 10vw, 8rem);
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-md);
}

.hero-title .indent {
    margin-left: 15%;
    color: var(--text-secondary);
    font-style: italic;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-primary);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-md);
    right: 5%;
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: rotate(90deg) translateX(50%);
    transform-origin: right bottom;
}

.scroll-text {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 50px;
    height: 1px;
    background-color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    animation: scrollLine 2s infinite ease-in-out;
}

@keyframes scrollLine {
    0% {
        left: -100%;
    }

    50% {
        left: 100%;
    }

    100% {
        left: 100%;
    }
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

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

.image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/5;
}

.img-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--bg-secondary);
    background-size: cover;
    background-position: center;
    transition: transform var(--transition-smooth);
}

.image-wrapper:hover .img-placeholder {
    transform: scale(1.05);
}

/* Projects */
.dark-section {
    background-color: var(--bg-secondary);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--space-lg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-md);
}

/* Page Header for subpages */
.page-header {
    height: 60vh;
    min-height: 400px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.header-content {
    position: relative;
    z-index: 1;
    padding-top: var(--space-xl);
}

/* Archive Grid for full projects page */
.archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg) var(--space-md);
}

.archive-grid .project-card {
    grid-column: span 1 !important;
    margin-top: 0 !important;
}

.archive-grid .project-image {
    aspect-ratio: 4/3 !important;
}

/* Force accordion behavior on .archive-grid ALL screens so it mimics the mobile design */
.archive-grid .project-details {
    max-height: 0;
    overflow: hidden;
    margin-top: 0;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.4s ease, margin-top 0.4s ease;
}

.archive-grid .project-card.expanded-desktop .project-details {
    max-height: 500px;
    opacity: 1;
    margin-top: 1rem;
}

.archive-grid .project-category::after {
    content: " (Ver detalles +)";
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
    color: var(--accent);
    text-transform: none;
    transition: color 0.3s ease;
}

.archive-grid .project-card.expanded-desktop .project-category::after {
    content: " (Ocultar detalles -)";
    color: var(--text-secondary);
}

/* Avoid hovering from triggering the overlay on grid since we now rely strictly on clicks */
.archive-grid .project-card:hover .project-overlay {
    opacity: 0;
}
.archive-grid .project-card:hover .project-year {
    transform: translateY(20px);
}
.archive-grid .project-card.expanded-desktop .project-overlay {
    opacity: 1;
}
.archive-grid .project-card.expanded-desktop .project-year {
    transform: translateY(0);
}

.project-card {
    grid-column: span 12;
    cursor: pointer;
    position: relative;
}

/* Creating an asymmetrical masonry-like grid */
.project-card:nth-child(1) {
    grid-column: 1 / 8;
}

.project-card:nth-child(2) {
    grid-column: 7 / 13;
    margin-top: 10%;
}

.project-card:nth-child(3) {
    grid-column: 1 / 8;
    margin-top: 5%;
}

.project-card:nth-child(4) {
    grid-column: 7 / 13;
    margin-top: -5%;
}

.project-card:nth-child(5) {
    grid-column: 1 / 8;
    margin-top: 5%;
}

.project-card:nth-child(6) {
    grid-column: 6 / 13;
    margin-top: -5%;
}

.project-card:nth-child(7) {
    grid-column: 1 / 8;
    margin-top: 5%;
}

.project-image {
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.project-info {
    padding: 0;
}

.project-details {
    margin-top: 1rem;
    list-style: none;
    padding: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: left;
}

.project-details li {
    margin-bottom: 0.4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.4rem;
}

.project-details strong {
    color: var(--text-primary);
    font-weight: 500;
    margin-right: 0.5rem;
}

@media (min-width: 993px) {
    .projects-grid .project-card:nth-child(odd) .project-info {
        position: absolute;
        top: 50%;
        left: calc(100% + var(--space-md));
        transform: translateY(-50%);
        width: 250px;
    }

    .projects-grid .project-card:nth-child(even) .project-info {
        position: absolute;
        top: 50%;
        right: calc(100% + var(--space-md));
        transform: translateY(-50%);
        text-align: right;
        width: 250px;
    }
}

.project-card:nth-child(1) .project-image,
.project-card:nth-child(2) .project-image,
.project-card:nth-child(4) .project-image {
    aspect-ratio: 1/1;
}

.project-card:nth-child(3) .project-image {
    aspect-ratio: 16/10;
}

.project-card:nth-child(5) .project-image {
    aspect-ratio: 3/2;
}

.project-card:nth-child(6) .project-image {
    aspect-ratio: 4/3;
}

.project-card:nth-child(7) .project-image {
    aspect-ratio: 1/1;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.project-year {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--text-primary);
    transform: translateY(20px);
    transition: transform var(--transition-smooth);
}

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

.project-card:hover .project-year {
    transform: translateY(0);
}

.project-card:hover .img-placeholder {
    transform: scale(1.05);
}

.project-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.project-category {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

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

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.detail-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.detail-link {
    font-size: 1.5rem;
    font-family: var(--font-serif);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    position: relative;
    padding-top: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    padding: 0.5rem 0;
    transition: border-color var(--transition-fast);
}

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

.form-group label {
    position: absolute;
    top: 1.5rem;
    left: 0;
    font-size: 1.1rem;
    color: var(--text-secondary);
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-group input:focus~label,
.form-group textarea:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:not(:placeholder-shown)~label {
    top: -0.5rem;
    font-size: 0.8rem;
    color: var(--text-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: transparent;
}

.submit-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: none;
    /* using custom cursor */
    display: flex;
    align-items: center;
    gap: 1rem;
    align-self: flex-start;
    transition: var(--transition-smooth);
}

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

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: var(--space-md) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-logo {
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
    font-size: 1.5rem;
}

.social-link {
    transition: color var(--transition-fast);
}

.social-link:hover {
    color: var(--text-secondary);
}

.footer-legal {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Scroll Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Utilities */
.desktop-hide {
    display: none !important;
}

/* Responsive */
@media (max-width: 992px) {

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .project-card:nth-child(1),
    .project-card:nth-child(2),
    .project-card:nth-child(3),
    .project-card:nth-child(4),
    .project-card:nth-child(5),
    .project-card:nth-child(6),
    .project-card:nth-child(7) {
        grid-column: 1 / 13;
        margin-top: 0;
    }
}

@media (max-width: 768px) {
    .desktop-hide {
        display: block !important;
    }

    .mobile-hide {
        display: none !important;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--bg-primary);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right var(--transition-smooth);
        z-index: 100;
        gap: var(--space-lg);
    }

    .nav-links.active {
        right: 0;
    }

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

    /* Mobile Dropdown */
    .dropdown {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .dropdown-menu {
        position: static;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        background-color: transparent;
        transform: none;
        border: none;
        padding: 0;
        margin-top: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
        transition: max-height 0.4s ease, opacity 0.4s ease, margin-top 0.4s ease;
    }

    .dropdown.open-mobile .dropdown-menu {
        opacity: 1;
        visibility: visible;
        max-height: 300px;
        margin-top: 0.5rem;
    }

    .dropdown>a i {
        transition: transform 0.3s ease;
        display: inline-block;
    }

    .dropdown.open-mobile>a i {
        transform: rotate(180deg);
    }

    .dropdown-menu a {
        font-size: 1.1rem;
        padding: 0;
        color: var(--text-secondary);
    }

    .mobile-menu-btn {
        display: block;
        z-index: 102;
    }

    .hero-title .indent {
        margin-left: 0;
    }

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

    /* Disable custom cursor on mobile */
    .cursor-dot,
    .cursor-outline {
        display: none;
    }

    body {
        cursor: auto;
    }

    .submit-btn {
        cursor: pointer;
    }
}

/* Image Assignments */
.hero-bg {
    background-image: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
}

#about-img-placeholder {
    background-image: url('https://images.unsplash.com/photo-1600607687920-4e2a09cf159d?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80');
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-md);
    align-items: start;
    /* Evita que las tarjetas hermanas se estiren a la misma altura */
}

.service-card {
    background-color: var(--bg-secondary);
    padding: var(--space-md);
    border-top: 2px solid transparent;
    transition: border-color var(--transition-fast), transform var(--transition-smooth);
}

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

.service-icon {
    font-size: 3rem;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Service Card Expandable Functionality */
.service-card {
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    scroll-margin-top: 120px;
}

.service-extra {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 0;
}

.service-card.expanded .service-extra {
    max-height: 500px;
    opacity: 1;
    margin-top: var(--space-md);
}

.service-list {
    list-style: none;
    padding: 0;
    margin-bottom: var(--space-sm);
}

.service-list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-list li i {
    color: var(--accent);
    flex-shrink: 0;
}

.expand-btn {
    margin-top: auto;
    padding-top: var(--space-md);
    background: transparent;
    border: none;
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
    /* Let clicks pass to the card */
    transition: transform var(--transition-fast);
}

.service-card:hover .expand-btn i {
    transform: translateX(3px);
}

.service-card.expanded .expand-btn i {
    transform: rotate(45deg);
}

.service-card .expand-btn i {
    transition: transform 0.3s ease;
}

/* Mobile Typography Fixes */
@media (max-width: 768px) {
    .hero-title {
        font-size: clamp(2.5rem, 8vw, 4rem);
        /* Reduce el tamaño base de Redefiniendo */
    }

    .hero-title .indent {
        margin-left: 5%;
        /* Reduce la sangría para que no se salga de la pantalla */
    }

    .hero-subtitle {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }

    .section-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .lead-text {
        font-size: 1rem;
    }

    /* Minimalist Services Cards on Mobile */
    .service-desc {
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        margin: 0;
        transition: max-height 0.4s ease, opacity 0.3s ease, margin 0.4s ease;
    }

    .service-card.expanded .service-desc {
        max-height: 300px;
        opacity: 1;
        margin-top: var(--space-sm);
        margin-bottom: var(--space-sm);
    }

    .project-title {
        font-size: 1.5rem;
    }

    .project-year {
        font-size: 1.5rem;
    }

    /* Mobile Foldable Projects */
    .project-details {
        max-height: 0;
        overflow: hidden;
        margin-top: 0;
        opacity: 0;
        transition: max-height 0.4s ease, opacity 0.4s ease, margin-top 0.4s ease;
    }

    .project-card.expanded-mobile .project-details {
        max-height: 500px;
        opacity: 1;
        margin-top: 1rem;
    }

    .project-category::after {
        content: " (Ver detalles +)";
        display: block;
        margin-top: 5px;
        font-size: 0.75rem;
        color: var(--accent);
        text-transform: none;
        transition: color 0.3s ease;
    }

    .project-card.expanded-mobile .project-category::after {
        content: " (Ocultar detalles -)";
        color: var(--text-secondary);
    }

    /* Evitar que el Año se quede atorado al tocar (Fix mobile hover sticky state) */
    .project-card:hover .project-overlay {
        opacity: 0;
    }

    .project-card:hover .project-year {
        transform: translateY(20px);
    }

    .project-card.expanded-mobile .project-overlay {
        opacity: 1;
    }

    .project-card.expanded-mobile .project-year {
        transform: translateY(0);
    }
}