/* 
   ✨ Proyectos CSS — Diseño Editorial Oscuro / Luxury 
   ExpoSISTEMAS Premium Experience 2026
*/

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Playfair+Display:ital,wght@0,400..900;1,400..900&display=swap');

:root {
    --color-bg-dark: #0A0A0A;
    --color-bg-card: #111111;
    --color-gold: #D4AF37;
    --color-text-header: #FFFFFF;
    --color-text-body: rgba(255, 255, 255, 0.65);
    /* Easing fuerte para entradas dramáticas */
    --ease-editorial: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
}

/* Forzado de scroll nativo pero estilizado */
#antigravity-container.scroll-active {
    background-color: var(--color-bg-dark) !important;
    overflow-x: hidden;
}

/* HERO SECTION */
.proyectos-hero {
    position: relative;
    z-index: 10;
    text-align: left;
}

.proyectos-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3.5rem, 8vw, 7rem);
    line-height: 0.95;
    font-weight: 800;
    color: var(--color-text-header);
    margin: 0;
    opacity: 0;
    transform: translateY(40px);
    transition: all 1.2s var(--ease-editorial);
}

.proyectos-hero.in-view .proyectos-title {
    opacity: 1;
    transform: translateY(0);
}

.proyectos-intro {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-text-body);
    max-width: 600px;
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s var(--ease-editorial) 0.3s;
}

.proyectos-hero.in-view .proyectos-intro {
    opacity: 1;
    transform: translateY(0);
}

/* TARJETA DE PROYECTO */
.proyecto-card {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 10vh 0;
    box-sizing: border-box;
}

.proyecto-container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 4vw;
    padding: 0 4vw;
}

.layout-left .proyecto-container { flex-direction: row; }
.layout-right .proyecto-container { flex-direction: row-reverse; }

/* VISUAL (IMAGEN) */
.proyecto-visual {
    flex: 0 0 60%;
    position: relative;
    cursor: pointer;
}

.visual-reveal {
    overflow: hidden;
    /* Comienzo del reveal de imagen clip-path */
    clip-path: inset(0 0 100% 0);
    transition: clip-path 1.5s var(--ease-editorial);
}

.proyecto-card.in-view .visual-reveal {
    clip-path: inset(0 0 0 0);
}

.proyecto-main-img {
    width: 100%;
    height: 70vh;
    object-fit: contain;
    filter: grayscale(1);
    transform: scale(1.1);
    transition: filter 2s var(--ease-editorial), transform 2.5s var(--ease-editorial);
}

.proyecto-card.in-view .proyecto-main-img {
    filter: grayscale(0);
    transform: scale(1);
}

.proyecto-visual:hover .proyecto-main-img {
    transform: scale(1.05) !important;
}

/* CONTENIDO */
.proyecto-content {
    flex: 1;
    position: relative;
    z-index: 5;
}

.proyecto-number {
    font-family: 'Playfair Display', serif;
    font-size: 8rem;
    font-weight: 900;
    line-height: 0.8;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.15);
    margin-bottom: -1.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 1s var(--ease-editorial) 0.4s;
}

.proyecto-tag {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-gold);
    display: block;
    margin-bottom: 2rem;
    opacity: 0;
    transition: all 0.8s var(--ease-editorial) 0.5s;
}

.proyecto-heading {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--color-text-header);
    margin: 0 0 0.5rem 0;
    opacity: 0;
    transform: translateX(30px);
    transition: all 1s var(--ease-editorial) 0.6s;
}

.layout-right .proyecto-heading { transform: translateX(-30px); }

.proyecto-sub {
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-cta);
    margin: 0 0 2rem 0;
    opacity: 0;
    transition: all 0.8s var(--ease-editorial) 0.7s;
}

.proyecto-excerpt {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-body);
    margin-bottom: 3rem;
    opacity: 0;
    transition: all 1s var(--ease-editorial) 0.8s;
}

.proyecto-btn {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: #FFF;
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    padding: 1.25rem 2.5rem;
    border-radius: 9999px;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: all 0.4s var(--ease-editorial);
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s var(--ease-editorial) 0.9s, 
                transform 0.8s var(--ease-editorial) 0.9s,
                border-color 0.3s ease,
                background-color 0.3s ease;
}

.proyecto-btn:hover {
    border-color: var(--color-cta);
    background-color: var(--color-cta);
    transform: scale(1.02);
}

.proyecto-btn:active {
    transform: scale(0.97);
}

/* Animación de entrada general */
.proyecto-card.in-view .proyecto-number,
.proyecto-card.in-view .proyecto-tag,
.proyecto-card.in-view .proyecto-sub,
.proyecto-card.in-view .proyecto-excerpt,
.proyecto-card.in-view .proyecto-btn {
    opacity: 1;
    transform: translate(0) scale(1);
}

.proyecto-card.in-view .proyecto-heading {
    opacity: 1;
    transform: translateX(0);
}

/* DRAWER (PORTAL DEL PROYECTO) */
.drawer {
    position: fixed;
    inset: 0;
    z-index: 2000;
    visibility: hidden;
    pointer-events: none;
    transition: visibility 0.5s;
}

.drawer.opened {
    visibility: visible;
    pointer-events: auto;
}

.drawer-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.5s var(--ease-editorial);
}

.drawer.opened .drawer-overlay {
    opacity: 1;
}

.drawer-content {
    position: absolute;
    top: 0;
    right: 0;
    width: min(90vw, 900px);
    height: 100%;
    background: #FFF;
    transform: translateX(100%);
    transition: transform 0.6s var(--ease-drawer);
    padding: 0;
    overflow-y: auto;
    box-shadow: -20px 0 60px rgba(0,0,0,0.3);
}

.drawer.opened .drawer-content {
    transform: translateX(0);
}

.drawer-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #000;
    color: #FFF;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: transform 0.3s var(--ease-editorial);
}

.drawer-close:hover { transform: rotate(90deg); }
.drawer-close:active { transform: scale(0.9); }

/* CONTENIDO DEL DRAWER */
.drawer-inner {
    padding: 4rem 3rem;
    font-family: 'DM Sans', sans-serif;
    color: #333;
}

.drawer-title {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 800;
    margin: 0 0 0.5rem 0;
    color: #111;
}

.drawer-date-tag {
    font-size: 0.7rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-cta);
    margin-bottom: 2rem;
    display: block;
}

.drawer-gallery {
    margin: 2rem 0 3rem 0;
}

.gallery-main {
    width: 100%;
    aspect-ratio: 16/10;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 1rem;
    background: #F5F5F7;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: fadeIn 0.5s ease;
}

.gallery-thumbs {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.gallery-thumb {
    width: 80px;
    aspect-ratio: 1;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    flex-shrink: 0;
    opacity: 0.6;
    transition: opacity 0.3s ease, transform 0.3s ease;
    border: 2px solid transparent;
}

.gallery-thumb:hover { opacity: 1; }
.gallery-thumb.active { opacity: 1; border-color: var(--color-cta); }

.drawer-info-section {
    margin-bottom: 2rem;
}

.drawer-info-label {
    font-size: 0.65rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #999;
    margin-bottom: 0.75rem;
    display: block;
}

.drawer-info-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #444;
}

.drawer-info-tag {
    display: inline-flex;
    padding: 0.4rem 1rem;
    background: #F5F5F7;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #555;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .proyecto-container { flex-direction: column !important; padding: 0 6vw; }
    .proyecto-visual { flex: 0 0 100%; width: 100%; }
    .proyecto-main-img { height: 50vh; }
    .proyecto-content { margin-top: -5rem; padding-left: 0; padding-right: 0; }
    .proyecto-number { font-size: 5rem; margin-bottom: -1rem; }
    .drawer-content { width: 100%; }
}

@media (max-width: 600px) {
    .proyectos-title { font-size: 4rem; }
    .proyecto-heading { font-size: 2.2rem; }
    .drawer-inner { padding: 3rem 1.5rem; }
    .drawer-title { font-size: 2.2rem; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* CURSOR PERSONALIZADO (LUXURY) */
.custom-cursor {
    position: fixed;
    width: 80px;
    height: 80px;
    background: var(--color-cta);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.4s var(--ease-editorial);
    mix-blend-mode: normal;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.custom-cursor.active {
    transform: translate(-50%, -50%) scale(1);
}

.custom-cursor.clicking {
    transform: translate(-50%, -50%) scale(0.8);
}

@media (pointer: coarse) {
    .custom-cursor { display: none !important; }
}

/* AJUSTE PARALLAX */
.proyecto-main-img {
    will-change: transform;
}