/* ============================================================
   NEMESIO RUBIO — PORTFOLIO ARTÍSTICO
   Sistema de diseño: claro, transparente, transiciones suaves
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Outfit:wght@300;400;500;600&display=swap');

/* ─── DESIGN TOKENS ──────────────────────────────────────── */
:root {
    --clr-bg:           #f7f5f2;
    --clr-surface:      #ffffff;
    --clr-surface-2:    #f0ede8;
    --clr-text:         #1e1e1e;
    --clr-text-mid:     #4a4a4a;
    --clr-text-light:   #888888;
    --clr-primary:      #3d5a73;
    --clr-primary-dim:  rgba(61, 90, 115, 0.12);
    --clr-accent:       #a07850;
    --clr-accent-dim:   rgba(160, 120, 80, 0.15);
    --clr-glass:        rgba(255, 255, 255, 0.72);
    --clr-glass-border: rgba(255, 255, 255, 0.45);

    --font-serif:  'Cormorant Garamond', Georgia, serif;
    --font-sans:   'Outfit', system-ui, sans-serif;

    --nav-h:        76px;
    --sp-xs:        0.4rem;
    --sp-sm:        0.75rem;
    --sp-md:        1.25rem;
    --sp-lg:        2.5rem;
    --sp-xl:        5rem;

    --radius-sm:    8px;
    --radius-md:    16px;
    --radius-lg:    28px;
    --radius-full:  999px;

    --shadow-xs:    0 2px 8px rgba(0,0,0,0.06);
    --shadow-sm:    0 6px 20px rgba(0,0,0,0.07);
    --shadow-md:    0 16px 48px rgba(0,0,0,0.10);
    --shadow-lg:    0 30px 80px rgba(0,0,0,0.14);

    --ease:         cubic-bezier(0.25, 0.8, 0.25, 1);
    --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
    --tr-fast:      0.25s var(--ease);
    --tr-med:       0.45s var(--ease);
    --tr-slow:      0.75s var(--ease);
}

/* ─── RESET & BASE ───────────────────────────────────────── */
*, *::before, *::after {
    margin: 0; padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.6;
    overflow-x: hidden;
    user-select: none;
    -webkit-user-select: none;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
    -webkit-user-drag: none;
    pointer-events: auto;
}
a   { text-decoration: none; color: inherit; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--sp-lg);
}

/* ─── REVEAL ON SCROLL ───────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.22s; }
.reveal-delay-3 { transition-delay: 0.34s; }
.reveal-delay-4 { transition-delay: 0.46s; }

/* ─── NAVBAR ─────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    z-index: 1000;
    background: var(--clr-glass);
    backdrop-filter: blur(18px) saturate(1.6);
    -webkit-backdrop-filter: blur(18px) saturate(1.6);
    border-bottom: 1px solid var(--clr-glass-border);
    transition: background var(--tr-med), box-shadow var(--tr-med);
}
.navbar.scrolled {
    background: rgba(247, 245, 242, 0.92);
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.nav-container {
    max-width: 1200px; margin: 0 auto;
    height: 100%;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 var(--sp-lg);
}

.brand {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 400;
    font-style: italic;
    letter-spacing: 0.5px;
    color: var(--clr-primary);
    transition: opacity var(--tr-fast);
}
.brand:hover { opacity: 0.7; }

.nav-menu {
    display: flex; list-style: none;
    gap: var(--sp-lg);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--clr-text-mid);
    position: relative;
    padding-bottom: 3px;
    transition: color var(--tr-fast);
}
.nav-link::after {
    content: '';
    position: absolute; bottom: 0; left: 0;
    width: 0; height: 1.5px;
    background: var(--clr-primary);
    transition: width var(--tr-med);
}
.nav-link:hover,
.nav-link.active { color: var(--clr-primary); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* Hamburger */
.menu-toggle {
    display: none; cursor: pointer;
    flex-direction: column; gap: 5px;
    padding: 4px;
}
.bar {
    width: 24px; height: 2px;
    background: var(--clr-text);
    border-radius: 2px;
    transition: transform var(--tr-fast), opacity var(--tr-fast);
}
.menu-toggle.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active .bar:nth-child(2) { opacity: 0; }
.menu-toggle.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    background: #1a1f28;
}

.hero-bg {
    position: absolute; inset: 0;
    background-image: url('../obras/El_lirismo_de_la_dehesa_55x75.jpg');
    background-size: cover;
    background-position: center;
    transform: scale(1.06);
    transition: transform 8s ease-out;
    filter: brightness(0.55) saturate(0.9);
}
.hero.loaded .hero-bg { transform: scale(1); }

.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(
        160deg,
        rgba(15,20,30,0.45) 0%,
        rgba(30,40,55,0.25) 60%,
        rgba(15,20,30,0.6) 100%
    );
}

.hero-content {
    position: relative; z-index: 2;
    text-align: center;
    padding: var(--sp-lg);
    max-width: 760px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.65);
    margin-bottom: var(--sp-md);
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.9s var(--ease) 0.3s forwards;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 7vw, 6rem);
    font-weight: 300;
    line-height: 1.1;
    color: #fff;
    margin-bottom: var(--sp-md);
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 1s var(--ease) 0.55s forwards;
}
.hero-title em {
    font-style: italic;
    color: rgba(255,255,255,0.8);
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: rgba(255,255,255,0.7);
    max-width: 480px;
    margin: 0 auto var(--sp-lg);
    opacity: 0;
    animation: fadeUp 1s var(--ease) 0.8s forwards;
}

.hero-actions {
    display: flex; gap: var(--sp-md);
    justify-content: center; flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 1s var(--ease) 1s forwards;
}

.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 34px;
    background: var(--clr-primary);
    color: #fff;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 20px rgba(61,90,115,0.35);
    transition: background var(--tr-fast), transform var(--tr-fast), box-shadow var(--tr-fast);
}
.btn-primary:hover {
    background: #4d718f;
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(61,90,115,0.45);
    color: #fff;
}

.btn-ghost {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 32px;
    background: transparent;
    color: rgba(255,255,255,0.85);
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    transition: background var(--tr-fast), border-color var(--tr-fast), transform var(--tr-fast);
}
.btn-ghost:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.7);
    transform: translateY(-3px);
    color: #fff;
}

.hero-scroll-hint {
    position: absolute; bottom: 36px; left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.5);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeUp 1s ease 1.5s forwards;
}
.scroll-line {
    width: 1px; height: 44px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollPulse 2.2s ease-in-out 1.8s infinite;
}

/* ─── SECTION COMMONS ────────────────────────────────────── */
.section-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: var(--sp-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    line-height: 1.2;
    color: var(--clr-text);
}

.section-divider {
    width: 40px; height: 2px;
    background: var(--clr-accent);
    margin: var(--sp-md) 0;
    border-radius: 2px;
}

/* ─── FEATURED CATEGORIES ────────────────────────────────── */
.categories-section {
    padding: var(--sp-xl) 0;
    background: var(--clr-surface);
}

.categories-header {
    text-align: center;
    margin-bottom: var(--sp-lg);
}
.categories-header .section-divider {
    margin: var(--sp-sm) auto;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-md);
}

.cat-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 320px;
    display: block;
    box-shadow: var(--shadow-sm);
    transition: transform var(--tr-med), box-shadow var(--tr-med);
}
.cat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}
.cat-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform var(--tr-slow);
}
.cat-card:hover img { transform: scale(1.07); }

.cat-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(10,15,25,0.75) 0%, rgba(0,0,0,0) 55%);
    display: flex; flex-direction: column;
    justify-content: flex-end;
    padding: var(--sp-md) var(--sp-md) var(--sp-lg);
}
.cat-overlay h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 300;
    color: #fff;
    margin-bottom: 4px;
}
.cat-overlay span {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
}

/* ─── ABOUT SNIPPET (HOMEPAGE) ───────────────────────────── */
.about-snippet {
    padding: var(--sp-xl) 0;
    background: var(--clr-bg);
}
.about-snippet-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xl);
    align-items: center;
}
.about-snippet-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    aspect-ratio: 4/5;
}
.about-snippet-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform var(--tr-slow);
}
.about-snippet-img:hover img { transform: scale(1.03); }

.about-snippet-text .section-divider { margin: var(--sp-sm) 0 var(--sp-md); }
.about-snippet-text p {
    font-size: 1.05rem;
    color: var(--clr-text-mid);
    line-height: 1.8;
    margin-bottom: var(--sp-md);
}
.btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px;
    border: 1.5px solid var(--clr-primary);
    color: var(--clr-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    transition: background var(--tr-fast), color var(--tr-fast), transform var(--tr-fast);
}
.btn-outline:hover {
    background: var(--clr-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ─── GALLERY PAGE ───────────────────────────────────────── */
.gallery-hero {
    padding: calc(var(--nav-h) + var(--sp-xl)) 0 var(--sp-lg);
    text-align: center;
}
.gallery-hero .section-divider { margin: var(--sp-sm) auto; }

.gallery-filters {
    display: flex;
    justify-content: center; flex-wrap: wrap;
    gap: var(--sp-sm);
    margin-bottom: var(--sp-lg);
}
.filter-btn {
    background: transparent;
    border: 1px solid rgba(0,0,0,0.16);
    color: var(--clr-text-mid);
    padding: 9px 22px;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: all var(--tr-fast);
}
.filter-btn:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    background: var(--clr-primary-dim);
}
.filter-btn.active {
    background: var(--clr-primary);
    color: #fff;
    border-color: var(--clr-primary);
    box-shadow: 0 4px 14px rgba(61,90,115,0.25);
}

/* TRUE MASONRY via CSS columns */
.masonry-grid {
    column-count: 3;
    column-gap: var(--sp-md);
    padding: 0 0 var(--sp-xl);
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: var(--sp-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    box-shadow: var(--shadow-xs);
    transition: transform var(--tr-med), box-shadow var(--tr-med), opacity var(--tr-med);
}
.gallery-item:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-md);
}
.gallery-item img {
    width: 100%; height: auto;
    display: block;
    transition: transform var(--tr-slow);
}
.gallery-item:hover img { transform: scale(1.04); }

.gallery-item-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(10,15,25,0.65) 0%, transparent 55%);
    display: flex; flex-direction: column;
    justify-content: flex-end;
    padding: var(--sp-md);
    opacity: 0;
    transition: opacity var(--tr-fast);
}
.gallery-item:hover .gallery-item-overlay { opacity: 1; }

.gallery-item-overlay span {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.8);
}
.gallery-item-overlay strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 300;
    color: #fff;
    margin-top: 2px;
}



/* ─── ABOUT PAGE ─────────────────────────────────────────── */
.about-page-hero {
    padding: calc(var(--nav-h) + var(--sp-xl)) 0 var(--sp-xl);
}
.about-page-inner {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: var(--sp-xl);
    align-items: start;
}
.about-page-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: calc(var(--nav-h) + 24px);
}
.about-page-img img {
    width: 100%; height: auto;
    object-fit: cover;
}
.about-page-text h1 {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 4vw, 3.6rem);
    font-weight: 300;
    line-height: 1.15;
    margin-bottom: var(--sp-md);
}
.about-page-text p {
    font-size: 1.05rem;
    color: var(--clr-text-mid);
    line-height: 1.85;
    margin-bottom: var(--sp-md);
}
.about-page-text blockquote {
    border-left: 3px solid var(--clr-accent);
    padding: var(--sp-sm) var(--sp-md);
    margin: var(--sp-md) 0;
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-style: italic;
    color: var(--clr-text-mid);
    background: var(--clr-accent-dim);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.contact-grid {
    display: flex;
    flex-direction: column;
    gap: var(--sp-sm);
    margin-top: var(--sp-lg);
}
.contact-item {
    display: flex; align-items: center; gap: var(--sp-sm);
    font-size: 0.95rem;
    color: var(--clr-text-mid);
}
.contact-icon {
    width: 38px; height: 38px;
    background: var(--clr-primary-dim);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}

/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
    background: var(--clr-text);
    color: rgba(255,255,255,0.6);
    padding: var(--sp-lg) 0;
}
.footer-inner {
    display: flex;
    align-items: center; justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--sp-md);
}
.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-style: italic;
    color: rgba(255,255,255,0.85);
}
.footer-copy { font-size: 0.82rem; }
.social-links {
    display: flex; gap: var(--sp-md);
}
.social-links a {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    transition: color var(--tr-fast);
}
.social-links a:hover { color: #fff; }

/* ─── LIGHTBOX ───────────────────────────────────────────── */
.lightbox {
    display: none;
    position: fixed; inset: 0;
    z-index: 2000;
    background: rgba(8, 10, 14, 0.94);
    backdrop-filter: blur(12px);
    justify-content: center; align-items: center;
    opacity: 0;
    transition: opacity var(--tr-med);
}
.lightbox.open {
    display: flex;
}
.lightbox.visible {
    opacity: 1;
}
.lightbox-inner {
    position: relative;
    max-width: 92vw; max-height: 92vh;
    display: flex; align-items: center; justify-content: center;
}
#lightbox-img {
    max-width: 88vw; max-height: 88vh;
    border-radius: var(--radius-md);
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
    transform: scale(0.94);
    transition: transform var(--tr-med);
    object-fit: contain;
}
.lightbox.visible #lightbox-img { transform: scale(1); }

.lightbox-close {
    position: absolute;
    top: -48px; right: 0;
    color: rgba(255,255,255,0.7);
    font-size: 2rem;
    cursor: pointer;
    transition: color var(--tr-fast), transform var(--tr-fast);
    line-height: 1;
}
.lightbox-close:hover {
    color: #fff;
    transform: rotate(90deg);
}
.lightbox-caption {
    position: absolute;
    bottom: -40px; left: 0; right: 0;
    text-align: center;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-style: italic;
    color: rgba(255,255,255,0.55);
}

/* ─── KEYFRAMES ──────────────────────────────────────────── */
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(1); }
    50%       { opacity: 1;   transform: scaleY(1.15); }
}

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
    .masonry-grid { column-count: 2; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .about-snippet-inner,
    .about-page-inner { grid-template-columns: 1fr; }
    .about-page-img { position: static; }
}

@media (max-width: 640px) {
    :root {
        --sp-lg: 1.5rem;
        --sp-xl: 3rem;
    }
    .masonry-grid { column-count: 1; }
    .category-grid { grid-template-columns: 1fr; }
    .menu-toggle { display: flex; }
    .nav-menu {
        position: fixed;
        top: var(--nav-h); left: 0; right: 0;
        flex-direction: column;
        background: var(--clr-glass);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        padding: var(--sp-lg) 0;
        text-align: center;
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--tr-fast), transform var(--tr-fast);
        box-shadow: var(--shadow-md);
    }
    .nav-menu.open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }
    .nav-item { padding: var(--sp-sm) 0; }
    .footer-inner { flex-direction: column; text-align: center; }
}