/* ============================================================
   TATUAJES CON ISVI — estilos
   Estética: editorial, blanco y negro, tipografía grande.
   ============================================================ */

:root {
  --negro: #0a0a0a;
  --gris-oscuro: #161616;
  --gris: #6b6b6b;
  --gris-claro: #e9e7e3;
  --crema: #f4f2ee;
  --blanco: #ffffff;
  --fuente: 'Archivo', -apple-system, sans-serif;
  --fuente-display: 'Archivo Black', 'Archivo', sans-serif;
  --pad: clamp(1.25rem, 5vw, 5rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--fuente);
  background: var(--crema);
  color: var(--negro);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--fuente-display); font-weight: 400; line-height: 1; letter-spacing: -0.02em; }
h2 { font-size: clamp(2.2rem, 6vw, 4.5rem); text-transform: uppercase; }

/* ===== Botones ===== */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--negro);
  background: var(--negro);
  color: var(--blanco);
  transition: all 0.25s ease;
  cursor: pointer;
  text-align: center;
}
.btn:hover { background: transparent; color: var(--negro); }
.btn--light { background: var(--blanco); color: var(--negro); border-color: var(--blanco); }
.btn--light:hover { background: transparent; color: var(--blanco); }
.btn--ghost { background: transparent; color: var(--blanco); border-color: rgba(255,255,255,0.5); }
.btn--ghost:hover { background: var(--blanco); color: var(--negro); border-color: var(--blanco); }
.btn--dark { background: var(--negro); color: var(--blanco); }
.btn--dark:hover { background: transparent; color: var(--negro); }
.btn--small { padding: 0.55rem 1.3rem; font-size: 0.72rem; }
.btn--big { padding: 1.1rem 2.6rem; font-size: 0.95rem; }

/* ===== Navegacion ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--pad);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--blanco);
}
.nav__logo { font-family: var(--fuente-display); font-size: 1.4rem; letter-spacing: 0.05em; }
.nav__logo span { color: var(--gris); }
.nav__links { display: flex; gap: 2rem; align-items: center; }
.nav__links a {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.nav__links a:hover { opacity: 1; }
.nav__cta { border-color: var(--blanco); background: var(--blanco); color: var(--negro); }
.nav__cta:hover { background: transparent; color: var(--blanco); }
.nav__cta-mobile { display: none; }
.nav__burger { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--blanco); margin: 5px 0; transition: 0.3s; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: var(--blanco);
  overflow: hidden;
  background: var(--negro);
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05) brightness(0.55);
}
.hero__content { position: relative; z-index: 2; padding: 8rem var(--pad) 6rem; max-width: 900px; }
.hero__kicker {
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 1.5rem;
}
.hero__title {
  font-size: clamp(3.5rem, 13vw, 9.5rem);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero__sub { font-size: clamp(1rem, 2vw, 1.2rem); font-weight: 300; opacity: 0.85; margin-bottom: 2.5rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 2rem; right: var(--pad);
  z-index: 2;
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  opacity: 0.6;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* ===== Franja de estilos ===== */
.styles-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--negro);
  color: var(--blanco);
  gap: 1px;
}
.styles-strip__item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 2rem var(--pad);
  background: var(--gris-oscuro);
  transition: background 0.25s;
}
.styles-strip__item:hover { background: #222; }
.styles-strip__item img {
  width: 72px; height: 72px;
  object-fit: cover;
  filter: grayscale(1);
  border-radius: 50%;
}
.styles-strip__item h3 { font-size: 1.05rem; margin-bottom: 0.2rem; }
.styles-strip__item p { font-size: 0.8rem; opacity: 0.6; }

/* ===== Secciones de trabajo ===== */
.work { padding: clamp(4rem, 9vw, 8rem) var(--pad); }
.work--dark { background: var(--negro); color: var(--blanco); }
.work__head { max-width: 720px; margin-bottom: 3rem; }
.work__head h2 { margin-bottom: 1rem; }
.work__head p { color: var(--gris); font-size: 1.05rem; }
.work--dark .work__head p, .designs .work__head p { color: #9a9a9a; }
.work__cta {
  display: inline-block;
  margin-top: 2.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.3rem;
  transition: opacity 0.2s;
}
.work__cta:hover { opacity: 0.6; }

/* ===== Galerias ===== */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.gallery figure {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--gris-claro);
}
.work--dark .gallery figure { background: var(--gris-oscuro); }
.gallery img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: transform 0.5s ease, filter 0.4s ease;
}
.gallery figure:hover img { transform: scale(1.04); filter: grayscale(0.3); }
.gallery figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 2.2rem 1rem 0.8rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blanco);
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  opacity: 0;
  transition: opacity 0.3s;
}
.gallery figure:hover figcaption { opacity: 1; }
.gallery__empty { grid-column: 1 / -1; padding: 3rem 1rem; text-align: center; color: var(--gris); font-size: 0.9rem; border: 1px dashed var(--gris); }

/* ===== Disenos disponibles ===== */
.designs { background: var(--gris-oscuro); color: var(--blanco); padding: clamp(4rem, 9vw, 8rem) var(--pad); }
.designs__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}
.design-card { background: var(--negro); display: flex; flex-direction: column; }
.design-card__img { aspect-ratio: 1; overflow: hidden; cursor: zoom-in; }
.design-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: transform 0.5s ease;
}
.design-card:hover .design-card__img img { transform: scale(1.05); }
.design-card__body { padding: 1.2rem; display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
.design-card__body h3 { font-size: 1rem; }
.design-card__meta { font-size: 0.78rem; color: #9a9a9a; letter-spacing: 0.08em; text-transform: uppercase; }
.design-card__price { font-size: 0.95rem; font-weight: 500; }
.design-card__btn {
  margin-top: auto;
  padding-top: 0.8rem;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--blanco);
  align-self: flex-start;
  padding-bottom: 0.2rem;
  transition: opacity 0.2s;
}
.design-card__btn:hover { opacity: 0.6; }
.design-card--apartado .design-card__img img { opacity: 0.35; }
.design-card__tag {
  position: absolute;
  background: var(--blanco);
  color: var(--negro);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  margin: 1rem;
}

/* ===== Sobre Isvi ===== */
.about {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  padding: clamp(4rem, 9vw, 8rem) var(--pad);
}
.about__photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: grayscale(1);
}
.about__kicker { font-size: 0.75rem; letter-spacing: 0.3em; color: var(--gris); margin-bottom: 1rem; }
.about__text h2 { margin-bottom: 1.5rem; }
.about__text p { color: var(--gris); margin-bottom: 1.2rem; max-width: 55ch; }
.about__text .btn { margin-top: 1rem; }

/* ===== Contacto ===== */
.contact {
  background: var(--negro);
  color: var(--blanco);
  padding: clamp(5rem, 10vw, 9rem) var(--pad);
  text-align: center;
}
.contact h2 { font-size: clamp(3rem, 9vw, 7rem); margin-bottom: 1.5rem; }
.contact__sub { max-width: 520px; margin: 0 auto 2.5rem; opacity: 0.75; font-weight: 300; }
.contact__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 4rem; }
.contact__info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 3rem;
  text-align: left;
}
.contact__info h4 {
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: #8a8a8a;
  margin-bottom: 0.6rem;
  font-weight: 500;
}
.contact__info p { font-size: 0.95rem; font-weight: 300; }
.contact__mapa { transition: opacity 0.2s; }
.contact__mapa:hover { opacity: 0.7; }

/* ===== Footer ===== */
.footer {
  background: var(--negro);
  color: var(--blanco);
  padding: 2.5rem var(--pad);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer__logo { font-family: var(--fuente-display); font-size: 0.95rem; letter-spacing: 0.1em; }
.footer nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer nav a { font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.6; }
.footer nav a:hover { opacity: 1; }
.footer__copy { font-size: 0.72rem; opacity: 0.4; }

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox.abierto { display: flex; }
.lightbox img { max-width: 92vw; max-height: 88vh; object-fit: contain; }
.lightbox__close {
  position: absolute;
  top: 1rem; right: 1.5rem;
  background: none;
  border: none;
  color: var(--blanco);
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
}

/* ============================================================
   RESPONSIVE — celular
   ============================================================ */
@media (max-width: 900px) {
  .styles-strip { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; }
  .contact__info { grid-template-columns: 1fr; gap: 1.8rem; text-align: center; }
}

@media (max-width: 760px) {
  .nav__cta { display: none; }
  .nav__burger { display: block; }
  .nav__links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: rgba(10,10,10,0.97);
    padding: 1.5rem var(--pad) 2rem;
    gap: 1.3rem;
    align-items: flex-start;
  }
  .nav__links.abierto { display: flex; }
  .nav__cta-mobile { display: inline-block; margin-top: 0.5rem; }
  .hero__actions .btn { width: 100%; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .designs__grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
  .design-card__body { padding: 0.9rem; }
  .footer { flex-direction: column; text-align: center; }
}

@media (max-width: 430px) {
  .gallery { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
}