/* ============================================
   TALLER 3D — Hoja de estilos
   Bilingüe: EU / ES
   ============================================ */

:root {
  /* ============================================
     COLORES EDITABLES — cambia aquí los hex
     ============================================ */
  --bg-yellow:     #F4CE4F;   /* ← color de fondo (amarillo) */
  --accent-green:  #3F6B3A;   /* ← color de rayas, letras de acento y bordes (verde) */

  /* ============================================
     VARIABLES DERIVADAS — no hace falta tocar
     ============================================ */
  --ink:           var(--bg-yellow);
  --ink-soft:      color-mix(in srgb, var(--bg-yellow) 94%, var(--accent-green));
  --paper:         #1B1A0F;   /* texto principal (oscuro para contrastar con amarillo) */
  --paper-dim:     #5A5340;   /* texto secundario */
  --brass:         var(--accent-green);
  --brass-deep:    color-mix(in srgb, var(--accent-green) 80%, black);
  --line:          color-mix(in srgb, var(--accent-green) 22%, transparent);
  --line-strong:   color-mix(in srgb, var(--accent-green) 45%, transparent);

  /* Tipografía — Poppins para todo */
  --font-display:  'Poppins', system-ui, sans-serif;
  --font-body:     'Poppins', system-ui, sans-serif;
  --font-mono:     'Poppins', system-ui, sans-serif;

  /* Layout */
  --max-w: 1400px;
  --pad-x: clamp(1.5rem, 5vw, 5rem);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  color: var(--paper);
  background: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--brass);
  color: var(--bg-yellow);
}

/* ============================================
   OVERLAY DE LÍNEAS — perfil de cordillera
   ============================================ */
.layer-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  color: var(--accent-green);
  opacity: 0.55;
}

.layer-overlay svg {
  display: block;
  width: 100%;
  height: 100%;
}

main, header, footer { position: relative; z-index: 2; }

/* ============================================
   HEADER
   ============================================ */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem var(--pad-x);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg-yellow) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-strong);
  z-index: 100;
}

.header-end {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--accent-green);
}

.logo-img {
  height: 36px;
  width: auto;
  display: block;
  transition: opacity 0.3s ease;
}

.logo:hover .logo-img {
  opacity: 0.75;
}

.site-header nav {
  display: flex;
  gap: 2.5rem;
}

.site-header nav a {
  color: var(--paper);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  position: relative;
  padding: 0.4rem 0;
  transition: color 0.3s ease;
}

.site-header nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.site-header nav a:hover {
  color: var(--accent-green);
}

.site-header nav a:hover::after {
  transform: scaleX(1);
}

/* Language switcher */
.lang-switch {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  white-space: nowrap;
}

.lang-switch a {
  color: var(--paper-dim);
  text-decoration: none;
  transition: color 0.3s ease;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
}

.lang-switch a:hover {
  color: var(--paper);
}

.lang-switch a.active {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
}

.lang-switch .sep {
  color: var(--paper-dim);
  opacity: 0.5;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--paper);
  transition: all 0.3s ease;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: clamp(4rem, 12vw, 10rem) var(--pad-x) clamp(4rem, 10vw, 8rem);
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--paper-dim);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 3.5rem;
  border-top: 1px solid var(--line-strong);
  padding-top: 1rem;
  animation: fade-up 0.9s ease 0.1s both;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 9vw, 7rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.025em;
  margin-bottom: 2.5rem;
  animation: fade-up 1.1s ease 0.3s both;
}

.hero-title em {
  font-style: italic;
  font-weight: 600;
  color: var(--accent-green);
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  max-width: 42ch;
  color: var(--paper-dim);
  margin-bottom: 3rem;
  font-weight: 400;
  animation: fade-up 0.9s ease 0.5s both;
}

.cta {
  display: inline-block;
  color: var(--paper);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--accent-green);
  transition: all 0.4s ease;
  animation: fade-up 0.9s ease 0.7s both;
}

.cta:hover {
  color: var(--accent-green);
  letter-spacing: 0.22em;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   SECCIÓN COMÚN
   ============================================ */
main > section {
  padding: clamp(4rem, 8vw, 7rem) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}

main > section.hero { padding-top: clamp(4rem, 12vw, 10rem); }

.section-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-green);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  margin-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

.section-title em {
  font-style: italic;
  color: var(--accent-green);
  font-weight: 600;
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.about-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.about-body .lead {
  font-size: 1.2rem;
  color: var(--paper);
  margin-bottom: 1.5rem;
  font-weight: 500;
  line-height: 1.5;
}

.about-body p {
  color: var(--paper-dim);
  margin-bottom: 1.25rem;
  max-width: 60ch;
}

/* ============================================
   INSTRUMENTS
   ============================================ */
.instrument-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.card {
  background: var(--ink);
  padding: 2rem;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  display: flex;
  flex-direction: column;
  transition: background 0.5s ease;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent-green);
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.card:hover { background: var(--ink-soft); }
.card:hover::before { width: 100%; }

.card-visual {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  margin-bottom: 1.5rem;
}

.card-visual svg {
  width: 75%;
  height: 75%;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.card:hover .card-visual svg { transform: scale(1.06) rotate(-2deg); }

.card-text h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: -0.015em;
}

.card-spec {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--paper-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.card-text p {
  color: var(--paper-dim);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* ============================================
   VIDEOS
   ============================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem;
}

.video-frame { display: flex; flex-direction: column; }

.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--ink-soft);
  border: 1px solid var(--line-strong);
  overflow: hidden;
}

.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-caption {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--paper-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 1rem;
}

/* ============================================
   CONTACT
   ============================================ */
.contact { border-top: 1px solid var(--line-strong); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.contact-intro p {
  color: var(--paper-dim);
  margin-bottom: 2rem;
  font-size: 1.05rem;
  max-width: 50ch;
}

.contact-detail {
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.contact-detail li {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-strong);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  gap: 1rem;
}

.contact-detail li span:first-child { color: var(--paper-dim); }
.contact-detail li span:last-child { color: var(--accent-green); }

/* Form */
form {
  background: var(--ink-soft);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border: 1px solid var(--line-strong);
}

form label { display: block; margin-bottom: 1.5rem; }

form label > span {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-green);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 0.6rem;
}

form input,
form select,
form textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  padding: 0.75rem 0;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  transition: border-color 0.3s ease;
  appearance: none;
  border-radius: 0;
}

form select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M2 4 L6 8 L10 4' stroke='%233F6B3A' stroke-width='1.5' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  padding-right: 2rem;
}

form select option {
  background: var(--ink-soft);
  color: var(--paper);
}

form textarea {
  resize: vertical;
  border: 1px solid var(--line-strong);
  padding: 0.75rem;
}

form input:focus,
form select:focus,
form textarea:focus {
  outline: none;
  border-color: var(--accent-green);
}

form button {
  background: var(--accent-green);
  color: var(--bg-yellow);
  border: none;
  padding: 1.1rem 2rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: all 0.4s ease;
  font-weight: 600;
  width: 100%;
  margin-top: 0.5rem;
}

form button:hover {
  background: var(--brass-deep);
  letter-spacing: 0.2em;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  padding: 4rem var(--pad-x) 2rem;
  border-top: 1px solid var(--line-strong);
  margin-top: 4rem;
}

.footer-top {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  color: var(--accent-green);
}

.footer-brand .logo-img {
  height: 32px;
  width: auto;
}

.footer-social {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-social a {
  color: var(--paper);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
}

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--paper-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 820px) {
  .header-end { gap: 1.25rem; }

  .site-header nav { display: none; }

  .site-header nav.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--line-strong);
    padding: 1rem var(--pad-x);
  }

  .site-header nav.open a {
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
  }

  .site-header nav.open a:last-child { border-bottom: none; }

  .menu-toggle { display: flex; }

  .about-grid,
  .contact-grid { grid-template-columns: 1fr; }

  .hero-meta {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* ============================================
   CREATOR / EGILEA
   ============================================ */
.creator-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.creator-portrait {
  position: sticky;
  top: 6rem;
}

.portrait-frame {
  aspect-ratio: 3 / 4;
  background: var(--ink-soft);
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  overflow: hidden;
  margin-bottom: 1rem;
}

.portrait-frame svg,
.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portrait-caption {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--paper-dim);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.creator-text .lead {
  font-size: 1.25rem;
  color: var(--paper);
  margin-bottom: 1.5rem;
  font-weight: 500;
  line-height: 1.5;
}

.creator-text p {
  color: var(--paper-dim);
  margin-bottom: 1.25rem;
  max-width: 60ch;
}

.creator-credits {
  list-style: none;
  border-top: 1px solid var(--line-strong);
  margin-top: 2rem;
}

.creator-credits li {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-strong);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  gap: 1rem;
}

.creator-credits li span:first-child { color: var(--paper-dim); }
.creator-credits li span:last-child { color: var(--accent-green); }

@media (max-width: 820px) {
  .creator-grid { grid-template-columns: 1fr; }
  .creator-portrait { position: static; max-width: 320px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}