/* ============================================================
   JUMBA — Pintor | Stylesheet
   Paleta inspirada en su obra: negros cálidos, ocres, sienas
   ============================================================ */

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

:root {
  --bg:          #0b0907;
  --bg-2:        #111009;
  --bg-3:        #1a1712;
  --text:        #e8ddd0;
  --text-muted:  #7a6e63;
  --accent:      #c4842a;
  --accent-dim:  #7a5218;
  --border:      #2a2520;
  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Inter', system-ui, sans-serif;
  --transition:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius: 2px; }

/* ---------- UTILITIES ---------- */
.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.btn {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.75rem 2rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
}

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

/* ---------- NAV ---------- */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 3rem;
  transition: background var(--transition), padding var(--transition);
}

#nav.scrolled {
  background: rgba(11, 9, 7, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 1rem 3rem;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--text);
  transition: color var(--transition);
}

.nav-logo:hover { color: var(--accent); }

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

.nav-links a {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  filter: brightness(0.28) saturate(0.7);
  transform: scale(1.04);
  transition: transform 8s ease;
}

.hero:hover .hero-bg img {
  transform: scale(1);
}

/* Dark vignette */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 30%, rgba(11,9,7,0.7) 100%),
    linear-gradient(to bottom, rgba(11,9,7,0.3) 0%, transparent 40%, rgba(11,9,7,0.85) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.5rem;
}

.hero-label {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(4.5rem, 14vw, 11rem);
  font-weight: 300;
  letter-spacing: 0.28em;
  line-height: 1;
  color: var(--text);
  margin-bottom: 1.2rem;
}

.hero-sub {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); }
}

/* ---------- SECTION SHARED ---------- */
section {
  padding: 7rem 3rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--text);
}

/* ---------- GALLERY ---------- */
.works {
  background: var(--bg);
  padding-bottom: 8rem;
}

.gallery {
  columns: 3;
  column-gap: 1.25rem;
  max-width: 1300px;
  margin: 0 auto;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1.25rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(0.85) brightness(0.92);
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1),
              filter 0.6s cubic-bezier(0.4,0,0.2,1);
}

.gallery-item:hover img {
  transform: scale(1.04);
  filter: saturate(1) brightness(1);
}

.gallery-item figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 1.25rem 1.1rem;
  background: linear-gradient(to top, rgba(11,9,7,0.92) 0%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--transition), transform var(--transition);
}

.gallery-item:hover figcaption {
  opacity: 1;
  transform: translateY(0);
}

.fig-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text);
}

.fig-medium {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---------- LIGHTBOX ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(7, 6, 5, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-inner {
  position: relative;
  max-width: 88vw;
  max-height: 90vh;
  text-align: center;
}

.lightbox-inner img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  box-shadow: 0 0 80px rgba(0,0,0,0.8);
}

#lightbox-caption {
  margin-top: 1rem;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: fixed;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition);
  line-height: 1;
}

.lightbox-close {
  top: 2rem;
  right: 2.5rem;
  font-size: 2rem;
  font-weight: 300;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  padding: 1rem;
}

.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { color: var(--text); }

/* ---------- ABOUT ---------- */
.about {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 1px solid var(--accent-dim);
  opacity: 0.4;
  pointer-events: none;
}

.about-image img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.75) brightness(0.88);
}

.about-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 1.8rem;
}

.about-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.1rem;
}

.about-text p em {
  color: var(--text);
  font-style: italic;
}

/* ---------- CONTACT ---------- */
.contact {
  background: var(--bg-3);
  text-align: center;
}

.contact-inner {
  max-width: 600px;
  margin: 0 auto;
}

.contact-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 1rem;
}

.contact-sub {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: color var(--transition);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.contact-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent-dim);
}

.contact-icon {
  display: flex;
  align-items: center;
  font-size: 1rem;
  color: var(--accent);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer p {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.footer-location {
  font-family: var(--font-serif);
  font-style: italic;
}

/* ---------- REVEAL ANIMATION ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .gallery { columns: 2; }
  .about-inner { gap: 3rem; }
}

@media (max-width: 768px) {
  section { padding: 5rem 1.5rem; }
  #nav { padding: 1.2rem 1.5rem; }
  #nav.scrolled { padding: 0.9rem 1.5rem; }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 70vw;
    max-width: 280px;
    background: rgba(11,9,7,0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 3rem 2.5rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    border-left: 1px solid var(--border);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 0.9rem;
    letter-spacing: 0.2em;
  }

  .nav-toggle {
    display: flex;
    z-index: 101;
  }

  .nav-toggle.active span:first-child {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle.active span:last-child {
    transform: translateY(-6px) rotate(-45deg);
  }

  .gallery { columns: 1; }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-image img { height: 420px; }

  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }

  .footer {
    flex-direction: column;
    text-align: center;
    gap: 0.4rem;
  }
}

@media (max-width: 480px) {
  .hero-title { letter-spacing: 0.15em; }
  .gallery { column-gap: 0.75rem; }
  .gallery-item { margin-bottom: 0.75rem; }
}