/* ============================================================
   Mecha Custom — Luthería de guitarras eléctricas
   Implementación de "Mecha Custom.dc.html" (Claude Design)
   ============================================================ */

:root {
  --bg: #0c0a0a;
  --panel: #151011;
  --line: #241a1a;          /* bordes de sección */
  --border: #2a1f1f;        /* borde de cards */
  --border-hover: #4a3030;
  --accent: #e5484d;
  --accent-link: #ff6b6f;
  --accent-hover: #f25a5f;
  --ink: #fdfbf9;           /* texto más fuerte */
  --text: #e8e4e0;
  --muted: #9c8f89;
  --muted-2: #8a7d78;
  --muted-3: #a89a94;
  --soft: #c4b8b2;
  --faint: #5c524e;
  --icon-bg: #241416;
  --whatsapp: #25d366;
  --font-display: 'Archivo Black', sans-serif;
  --font-body: 'Archivo', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
}

body {
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { color: var(--accent-link); }

::selection {
  background: var(--accent);
  color: #fff;
}

h1, h2, h3, h4, p, figure { margin: 0; }

/* ------------------------------------------------------------
   Fondo "diapasón": 6 cuerdas verticales, 15 trastes con brillo
   metálico e inlays perlados, dibujados con gradientes.
   ------------------------------------------------------------ */
.page {
  min-height: 100vh;
  position: relative;
  z-index: 0;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    /* cuerdas (x: 35% → 65%, de más fina a más gruesa) */
    linear-gradient(180deg, rgba(229,72,77,.16), rgba(232,228,224,.05) 40%, rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(229,72,77,.15), rgba(232,228,224,.05) 40%, rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(229,72,77,.14), rgba(232,228,224,.05) 40%, rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(229,72,77,.13), rgba(232,228,224,.06) 40%, rgba(232,228,224,.05)),
    linear-gradient(180deg, rgba(229,72,77,.12), rgba(232,228,224,.06) 40%, rgba(232,228,224,.05)),
    linear-gradient(180deg, rgba(229,72,77,.11), rgba(232,228,224,.07) 40%, rgba(232,228,224,.06)),
    /* trastes: degradé vertical = alambre iluminado desde arriba;
       el espaciado se achica hacia abajo como en un mástil real */
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    linear-gradient(180deg, rgba(232,228,224,.17), rgba(232,228,224,.04)),
    /* inlays perlados (46.5/53.5% = punto doble del traste 12) */
    radial-gradient(circle, rgba(232,228,224,.24) 0 2px, rgba(232,228,224,.10) 2px 5px, transparent 6px),
    radial-gradient(circle, rgba(232,228,224,.24) 0 2px, rgba(232,228,224,.10) 2px 5px, transparent 6px),
    radial-gradient(circle, rgba(232,228,224,.24) 0 2px, rgba(232,228,224,.10) 2px 5px, transparent 6px),
    radial-gradient(circle, rgba(232,228,224,.24) 0 2px, rgba(232,228,224,.10) 2px 5px, transparent 6px),
    radial-gradient(circle, rgba(232,228,224,.24) 0 2px, rgba(232,228,224,.10) 2px 5px, transparent 6px),
    radial-gradient(circle, rgba(232,228,224,.24) 0 2px, rgba(232,228,224,.10) 2px 5px, transparent 6px),
    radial-gradient(circle, rgba(232,228,224,.24) 0 2px, rgba(232,228,224,.10) 2px 5px, transparent 6px);
  background-repeat: no-repeat;
  background-size:
    1px 100%, 1px 100%, 1px 100%, 2px 100%, 2px 100%, 3px 100%,
    32% 3px, 32% 3px, 32% 3px, 32% 3px, 32% 3px, 32% 3px,
    32% 3px, 32% 3px, 32% 3px, 32% 3px, 32% 3px, 32% 3px,
    32% 3px, 32% 3px, 32% 3px,
    14px 14px, 14px 14px, 14px 14px, 14px 14px, 14px 14px, 14px 14px, 14px 14px;
  background-position:
    35% 0, 41% 0, 47% 0, 53% 0, 59% 0, 65% 0,
    50% 331px, 50% 644px, 50% 939px, 50% 1217px, 50% 1480px, 50% 1728px,
    50% 1962px, 50% 2183px, 50% 2392px, 50% 2589px, 50% 2775px, 50% 2950px,
    50% 3115px, 50% 3271px, 50% 3418px,
    50% 792px, 50% 1349px, 50% 1845px, 50% 2288px, 46.5% 2863px, 53.5% 2863px,
    50% 3345px;
}

/* Destello que recorre las cuerdas cada tanto, como una pasada
   de púa. Va detrás del contenido (z-index -1) y por delante del
   patrón de fondo. */
.page::before {
  content: "";
  position: fixed;
  left: 0;
  right: 0;
  top: -240px;
  height: 240px;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(180deg, transparent, rgba(245,237,230,.22) 50%, transparent),
    linear-gradient(180deg, transparent, rgba(245,237,230,.20) 50%, transparent),
    linear-gradient(180deg, transparent, rgba(245,237,230,.18) 50%, transparent),
    linear-gradient(180deg, transparent, rgba(245,237,230,.15) 50%, transparent),
    linear-gradient(180deg, transparent, rgba(245,237,230,.13) 50%, transparent),
    linear-gradient(180deg, transparent, rgba(245,237,230,.11) 50%, transparent);
  background-repeat: no-repeat;
  background-size: 1px 100%, 1px 100%, 1px 100%, 2px 100%, 2px 100%, 3px 100%;
  background-position: 35% 0, 41% 0, 47% 0, 53% 0, 59% 0, 65% 0;
  animation: strum 13s linear infinite;
}

@keyframes strum {
  0%   { transform: translateY(0); opacity: 0; }
  5%   { opacity: 1; }
  55%  { opacity: 1; }
  62%  { transform: translateY(calc(100vh + 480px)); opacity: 0; }
  100% { transform: translateY(calc(100vh + 480px)); opacity: 0; }
}

/* ------------------------------------------------------------
   Cuerdas interactivas: invisibles en reposo, se "excitan" y
   vibran con decaimiento cuando el cursor las cruza (JS al pie
   de index.html). Las graves (gruesas) vibran más lento y amplio.
   ------------------------------------------------------------ */
.strings {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.strings-page { z-index: -1; }

.string {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(245,237,230,.36), rgba(245,237,230,.14));
  opacity: 0;
  --amp: 2px;
  --dur: 550ms;
}

.string:nth-child(1) { left: 35%; }
.string:nth-child(2) { left: 41%; --dur: 590ms; }
.string:nth-child(3) { left: 47%; --dur: 630ms; }
.string:nth-child(4) { left: 53%; width: 2px; --amp: 2.5px; --dur: 680ms; }
.string:nth-child(5) { left: 59%; width: 2px; --amp: 2.5px; --dur: 740ms; }
.string:nth-child(6) { left: 65%; width: 3px; --amp: 3px;   --dur: 820ms; }

.string.vibrating {
  animation: vibrate var(--dur) ease-out;
}

@keyframes vibrate {
  0%   { opacity: 0;  transform: translateX(0); }
  6%   { opacity: 1;  transform: translateX(var(--amp)); }
  20%  { transform: translateX(calc(var(--amp) * -0.8)); }
  34%  { transform: translateX(calc(var(--amp) * 0.6)); }
  48%  { transform: translateX(calc(var(--amp) * -0.42)); }
  62%  { opacity: .85; transform: translateX(calc(var(--amp) * 0.28)); }
  76%  { opacity: .6; transform: translateX(calc(var(--amp) * -0.16)); }
  90%  { opacity: .3; transform: translateX(calc(var(--amp) * 0.07)); }
  100% { opacity: 0;  transform: translateX(0); }
}

/* ------------------------------------------------------------
   HERO
   ------------------------------------------------------------ */
.hero {
  position: relative;
  background-image:
    linear-gradient(180deg, rgba(229,72,77,.20), rgba(232,228,224,.05)),
    linear-gradient(180deg, rgba(229,72,77,.19), rgba(232,228,224,.05)),
    linear-gradient(180deg, rgba(229,72,77,.18), rgba(232,228,224,.05)),
    linear-gradient(180deg, rgba(229,72,77,.17), rgba(232,228,224,.06)),
    linear-gradient(180deg, rgba(229,72,77,.16), rgba(232,228,224,.06)),
    linear-gradient(180deg, rgba(229,72,77,.15), rgba(232,228,224,.07)),
    linear-gradient(180deg, rgba(232,228,224,.18), rgba(232,228,224,.05)),
    radial-gradient(ellipse 90% 60% at 50% -10%, #2a1214 0%, #16090a 45%, #0c0a0a 100%);
  background-repeat: no-repeat;
  background-size:
    1px 100%, 1px 100%, 1px 100%, 2px 100%, 2px 100%, 3px 100%,
    32% 3px, auto;
  background-position:
    35% 0, 41% 0, 47% 0, 53% 0, 59% 0, 65% 0,
    50% 331px, 0 0;
  border-bottom: 1px solid var(--line);
  padding: 88px 24px 72px;
  text-align: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  letter-spacing: .42em;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted-3);
  text-transform: uppercase;
}

.kicker-line {
  width: 36px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(64px, 12vw, 148px);
  line-height: .92;
  margin-top: 28px;
  letter-spacing: -.01em;
}

.hero-title-top {
  display: block;
  background: linear-gradient(180deg, #f5ede6 20%, #b8a89e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-title-bottom {
  display: block;
  color: var(--ink);
}

.hero-tagline {
  margin-top: 34px;
  letter-spacing: .32em;
  font-size: clamp(11px, 1.8vw, 15px);
  color: var(--muted-2);
  text-transform: uppercase;
  font-weight: 500;
}

.hero-diamond {
  margin-top: 44px;
  color: var(--accent);
  font-size: 14px;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 4px;
}

.btn-hero {
  margin-top: 44px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  letter-spacing: .08em;
  padding: 18px 36px;
  transition: background .2s;
}
.btn-hero:hover {
  background: var(--accent-hover);
  color: #fff;
}

/* ------------------------------------------------------------
   HOOK
   ------------------------------------------------------------ */
.hook {
  padding: 96px 24px 24px;
  text-align: center;
}

.hook-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.1;
  color: var(--ink);
  max-width: 760px;
  margin-inline: auto;
}

.accent { color: var(--accent); }

.hook-sub {
  margin: 20px auto 0;
  font-size: 18px;
  color: var(--muted);
  max-width: 520px;
}

/* ------------------------------------------------------------
   SERVICIOS
   ------------------------------------------------------------ */
.services {
  padding: 56px 24px 40px;
  max-width: 1060px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.service-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 6px;
  padding: 30px 28px;
  transition: border-color .2s, transform .2s;
}
.service-card:hover {
  border-color: var(--border-hover);
  border-top-color: var(--accent);
  transform: translateY(-2px);
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  background: var(--icon-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.service-card h3 {
  margin: 20px 0 8px;
  font-size: 17px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 700;
}

.service-card p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--muted);
}

/* ------------------------------------------------------------
   STATS
   ------------------------------------------------------------ */
.stats {
  padding: 48px 24px 72px;
  max-width: 900px;
  margin: 0 auto;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  border-block: 1px solid var(--line);
  padding: 36px 0;
}

.stat {
  text-align: center;
  padding: 0 12px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 44px);
  color: var(--accent);
}

.stat-label {
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted-2);
  line-height: 1.7;
}

/* ------------------------------------------------------------
   GALERÍA / TALLER
   ------------------------------------------------------------ */
.gallery {
  padding: 0 24px 88px;
  max-width: 1060px;
  margin: 0 auto;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
  align-items: stretch;
}

.shot-main { min-height: 340px; }

.gallery-side {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
}

.shot {
  border-radius: 8px;
  overflow: hidden;
  background: var(--panel);
  border: 1px dashed #3a2b2b;
  display: flex;
  min-height: 160px;
}

.shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.shot-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  color: #6f635e;
  font-size: 13px;
  letter-spacing: .06em;
  text-align: center;
}

/* ------------------------------------------------------------
   CTA
   ------------------------------------------------------------ */
.cta {
  padding: 0 24px 96px;
  max-width: 1060px;
  margin: 0 auto;
}

.cta-box {
  background: linear-gradient(135deg, #c73a3f 0%, #e5484d 60%, #d84045 100%);
  border-radius: 8px;
  padding: 64px 32px;
  text-align: center;
}

.cta-kicker {
  font-size: 12px;
  letter-spacing: .36em;
  text-transform: uppercase;
  color: #ffd9da;
  font-weight: 600;
}

.cta-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 6vw, 60px);
  margin-top: 18px;
  color: #fff;
  letter-spacing: .02em;
}

.cta-sub {
  margin-top: 16px;
  color: #ffe3e4;
  font-size: 16px;
}

.btn-cta {
  display: inline-block;
  margin-top: 32px;
  background: #160a0b;
  color: #fff;
  font-size: 15px;
  letter-spacing: .1em;
  padding: 16px 34px;
  transition: background .2s;
}
.btn-cta:hover {
  background: #000;
  color: #fff;
}

/* ------------------------------------------------------------
   CONTACTO / FOOTER
   ------------------------------------------------------------ */
.contact {
  border-top: 1px solid var(--line);
  padding: 72px 24px 80px;
}

.contact-grid {
  max-width: 1060px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
}

.contact-brand {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  color: var(--ink);
}

.contact-blurb {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
  max-width: 300px;
}

.contact-heading {
  margin-bottom: 16px;
  font-size: 12px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 400;
}

.contact-links,
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 15px;
}

.contact-info { color: var(--soft); }

.copyright {
  text-align: center;
  margin-top: 64px;
  font-size: 12px;
  color: var(--faint);
  letter-spacing: .1em;
}

.credit {
  text-align: center;
  margin-top: 10px;
  font-size: 12px;
  color: var(--faint);
  letter-spacing: .1em;
}
.credit a { color: var(--muted-2); }
.credit a:hover { color: var(--accent-link); }

/* ------------------------------------------------------------
   WHATSAPP FLOTANTE
   ------------------------------------------------------------ */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(229, 72, 77, .5); }
  50%      { box-shadow: 0 0 0 14px rgba(229, 72, 77, 0); }
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  animation: pulse 2.6s infinite;
  box-shadow: 0 4px 18px rgba(0, 0, 0, .45);
  transition: transform .2s;
}
.whatsapp-float:hover { transform: scale(1.06); }

/* ------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 760px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .shot-main { min-height: 280px; }
  .gallery-side { grid-template-rows: none; }
  .gallery-side .shot { min-height: 190px; }
}

@media (max-width: 560px) {
  .stats-row {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .stat {
    border-right: none;
    padding: 0;
  }
  .stat + .stat {
    border-top: 1px solid var(--line);
    padding-top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float { animation: none; }
  .page::before { animation: none; opacity: 0; }
  .string { animation: none !important; }
  .service-card,
  .whatsapp-float,
  .btn-hero,
  .btn-cta { transition: none; }
}