/* ============================================================
   Arranca Papeles — estética collage / papel rasgado
   ============================================================ */

:root {
  /* Paleta papel */
  --paper:        #f3ece0;   /* fondo crema */
  --paper-deep:   #e7dcc9;   /* crema más oscuro */
  --kraft:        #c9a87c;
  --ink:          #1f1b16;   /* texto principal */
  --ink-soft:     #5a5248;
  --accent:       #d6492f;   /* tomate */
  --accent-2:     #e8a523;   /* ocre */
  --accent-3:     #2f6b6b;   /* teal apagado */
  --tape:         rgba(232, 213, 168, 0.75);

  --maxw: 1180px;
  --space-section: clamp(4.5rem, 3rem + 7vw, 9rem);
  --radius: 2px;

  --shadow-frame: 0 18px 40px -18px rgba(31, 27, 22, 0.55);
  --shadow-soft: 0 10px 30px -16px rgba(31, 27, 22, 0.4);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Space Grotesk", system-ui, sans-serif;

  --dur: 0.55s;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 15% 20%, rgba(214, 73, 47, 0.05), transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(47, 107, 107, 0.05), transparent 45%);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Grano de papel sobre todo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.05;
  mix-blend-mode: multiply;
  filter: url(#paperGrain);
}
.grain { position: absolute; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0;
}

a { color: inherit; }

.eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 1rem;
}

.ink { color: var(--accent); font-style: italic; font-weight: 500; }

/* ── Botones ── */
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background-color 0.25s var(--ease);
  border: 2px solid var(--ink);
  cursor: pointer;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 4px 4px 0 var(--accent);
}
.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--accent);
}
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translate(-2px, -2px);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.2rem, 4vw, 3rem);
  background: rgba(243, 236, 224, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(31, 27, 22, 0.1);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  background: var(--accent);
  color: var(--paper);
  border-radius: 50%;
  transform: rotate(-8deg);
  font-size: 0.95rem;
}
.site-header nav { display: flex; align-items: center; gap: clamp(0.8rem, 2vw, 1.8rem); }
.site-header nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.92rem;
  position: relative;
}
.site-header nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}
.site-header nav a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
}
.site-header nav a.nav-cta:hover { background: var(--accent); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.2rem, 4vw, 3rem) clamp(2rem, 4vw, 4rem);
}
.hero h1 {
  font-size: clamp(2.8rem, 1.5rem + 7vw, 6.5rem);
  margin: 0.5rem 0 1.5rem;
}
.hero-sub {
  font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.3rem);
  color: var(--ink-soft);
  max-width: 38ch;
  margin: 0 0 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-visual { position: relative; aspect-ratio: 4 / 5; }
.frame {
  position: relative;
  background: #fff;
  padding: 0.9rem;
  border: 1px solid rgba(31, 27, 22, 0.15);
  box-shadow: var(--shadow-frame);
}
.frame img { display: block; width: 100%; height: 100%; object-fit: contain; background: #fff; }
.frame--hero {
  position: absolute;
  inset: 8% 6%;
  z-index: 2;
}
.tilt-a { transform: rotate(-3deg); transition: transform var(--dur) var(--ease); }
.tilt-a:hover { transform: rotate(-1deg) scale(1.02); }

.tape {
  position: absolute;
  width: 90px; height: 30px;
  background: var(--tape);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.tape--tl { top: -14px; left: 22px; transform: rotate(-6deg); }

.paper-scrap { position: absolute; z-index: 1; opacity: 0.92; }
.scrap--1 {
  width: 120px; height: 120px; top: -3%; right: 2%;
  background: var(--accent-2);
  clip-path: polygon(0 12%, 30% 0, 70% 8%, 100% 0, 92% 60%, 100% 100%, 40% 92%, 0 100%);
  transform: rotate(8deg);
}
.scrap--2 {
  width: 150px; height: 90px; bottom: 2%; left: -4%;
  background: var(--accent-3);
  clip-path: polygon(0 20%, 40% 0, 100% 10%, 95% 70%, 60% 100%, 10% 88%);
  transform: rotate(-10deg);
}
.scrap--3 {
  width: 70px; height: 70px; bottom: 24%; right: -3%;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 12%, 88% 100%, 8% 86%);
  transform: rotate(14deg);
}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee {
  border-block: 2px solid var(--ink);
  background: var(--accent);
  color: var(--paper);
  overflow: hidden;
  padding: 0.7rem 0;
}
.marquee-track {
  display: flex;
  gap: 2.5rem;
  white-space: nowrap;
  width: max-content;
  animation: marquee 28s linear infinite;
  font-family: var(--font-display);
  font-weight: 600;
  font-style: italic;
  font-size: 1.15rem;
}
.marquee-track span { display: inline-block; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   TÉCNICA
   ============================================================ */
.technique {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space-section) clamp(1.2rem, 4vw, 3rem);
  align-items: center;
}
.technique-text h2 {
  font-size: clamp(2rem, 1.2rem + 4vw, 3.6rem);
  margin: 0.5rem 0 1.5rem;
}
.technique-text p { color: var(--ink-soft); margin: 0 0 1rem; max-width: 42ch; }
.technique-text strong { color: var(--ink); }
.signature {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.4rem;
  color: var(--accent);
  margin-top: 1.4rem !important;
}

.technique-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: rgba(31,27,22,0.12); border: 1px solid rgba(31,27,22,0.12); }
.technique-steps li {
  background: var(--paper);
  padding: 1.6rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1.2rem;
  align-items: baseline;
  transition: background 0.3s var(--ease);
}
.technique-steps li:hover { background: var(--paper-deep); }
.step-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--accent);
  grid-row: span 2;
}
.technique-steps h3 { font-size: 1.2rem; }
.technique-steps p { grid-column: 2; margin: 0; font-size: 0.92rem; color: var(--ink-soft); }

/* ============================================================
   GALERÍA
   ============================================================ */
.gallery {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space-section) clamp(1.2rem, 4vw, 3rem);
}
.section-head { text-align: center; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: clamp(2rem, 1.2rem + 4vw, 3.6rem); }
.section-lead { color: var(--ink-soft); margin: 0.8rem 0 0; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 3vw, 2.5rem);
}
.cuadro { --rot: 0deg; }
.cuadro-frame {
  position: relative;
  display: block;
  width: 100%;
  padding: 0.8rem;
  background: #fff;
  border: 1px solid rgba(31, 27, 22, 0.14);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transform: rotate(var(--rot));
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  font: inherit;
}
.cuadro-frame img { display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: contain; background: #fbf8f2; }
.cuadro-frame:hover,
.cuadro-frame:focus-visible {
  transform: rotate(0deg) translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-frame);
  outline: none;
}
.cuadro-tag {
  position: absolute;
  top: 1.3rem; left: -0.4rem;
  background: var(--accent-3);
  color: var(--paper);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.7rem;
  transform: rotate(-3deg);
  box-shadow: 0 4px 10px -4px rgba(0,0,0,0.4);
}
.cuadro--sold .cuadro-frame { filter: grayscale(0.55); opacity: 0.85; }
.cuadro-stamp {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(-12deg);
  border: 3px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 1.4rem;
  padding: 0.3rem 1rem;
  border-radius: 4px;
  opacity: 0.92;
  pointer-events: none;
}
.cuadro-meta { margin-top: 1.1rem; padding-left: 0.2rem; }
.cuadro-meta h3 { font-size: 1.35rem; }
.cuadro-size { margin: 0.2rem 0 0; font-size: 0.85rem; color: var(--ink-soft); }
.cuadro-price {
  margin: 0.3rem 0 0;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
}

/* ============================================================
   ENCARGOS
   ============================================================ */
.commission {
  padding: var(--space-section) clamp(1.2rem, 4vw, 3rem);
}
.commission-card {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(2.5rem, 5vw, 4.5rem);
  border-radius: 4px;
  position: relative;
  box-shadow: 12px 12px 0 var(--accent-2);
}
.commission-card .eyebrow { color: var(--accent-2); }
.commission-card h2 { font-size: clamp(1.8rem, 1.2rem + 3.5vw, 3.2rem); margin-bottom: 1.2rem; }
.commission-card p { color: rgba(243, 236, 224, 0.85); max-width: 46ch; margin: 0 auto 1.5rem; }
.commission-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: center;
}
.commission-list li {
  border: 1px solid rgba(243, 236, 224, 0.3);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.88rem;
}
.commission-card .btn-primary {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--paper);
}
.commission-card .btn-primary:hover { box-shadow: 7px 7px 0 var(--paper); }

/* ============================================================
   CONTACTO
   ============================================================ */
.contact {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-section) clamp(1.2rem, 4vw, 3rem);
}
.contact h2 { font-size: clamp(2rem, 1.2rem + 4vw, 3.4rem); margin-bottom: 1rem; }
.contact-lead { color: var(--ink-soft); margin: 0 auto 2rem; max-width: 44ch; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  text-align: center;
  padding: 3rem 1.5rem;
  border-top: 2px solid var(--ink);
  background: var(--paper-deep);
}
.site-footer .brand-name { font-family: var(--font-display); font-weight: 900; font-size: 1.6rem; }
.site-footer p { margin: 0.4rem 0 0; color: var(--ink-soft); font-size: 0.9rem; }
.site-footer .muted { font-size: 0.8rem; opacity: 0.7; margin-top: 1rem; }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(31, 27, 22, 0.92);
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.lightbox[hidden] { display: none; }
.lightbox-figure {
  margin: 0;
  max-width: min(680px, 92vw);
  background: #fff;
  padding: 1rem;
  box-shadow: var(--shadow-frame);
}
.lightbox-figure img { display: block; width: 100%; max-height: 72vh; object-fit: contain; }
.lightbox-figure figcaption {
  margin-top: 0.9rem;
  font-size: 0.95rem;
  color: var(--ink);
  text-align: center;
}
.lightbox-figure figcaption span { color: var(--ink-soft); font-size: 0.85rem; }
.lightbox-close {
  position: absolute;
  top: 1.2rem; right: 1.5rem;
  width: 2.6rem; height: 2.6rem;
  border-radius: 50%;
  border: 2px solid var(--paper);
  background: transparent;
  color: var(--paper);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}
.lightbox-close:hover { background: var(--paper); color: var(--ink); }

/* ============================================================
   REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { max-width: 420px; margin: 1rem auto 0; width: 100%; }
  .technique { grid-template-columns: 1fr; }
  .site-header nav a:not(.nav-cta):not([href="#contacto"]) { display: none; }
}
@media (max-width: 520px) {
  .technique-steps li { grid-template-columns: 1fr; }
  .step-num { grid-row: auto; }
  .technique-steps p { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}