/* ============================================================
   MurciAtempo Ballet Profesional — Ingresify demo conceptual
   ============================================================ */

:root{
  --c-bg: #14120F;
  --c-bg-raised: #1B1814;
  --c-text: #F4EFE6;
  --c-text-muted: #C9C2B4;
  --c-wood: #4B3A2C;
  --c-wood-light: #6E5A42;
  --c-gold: #C9A227;
  --c-gold-soft: #E1C365;
  --c-stage-amber: #C4632E;
  --c-stage-red: #7A2A20;
  --c-border: rgba(244,239,230,0.12);

  --font-display: "Bodoni Moda", Georgia, "Times New Roman", serif;
  --font-body: "Hanken Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --motion-fast: 220ms;
  --motion-base: 480ms;
  --motion-slow: 900ms;
  --ease-line: cubic-bezier(.22,.61,.36,1);

  --side-pad: 20px;
  --max-w: 1200px;

  color-scheme: dark;
}

@media (min-width: 640px){
  :root{ --side-pad: 32px; }
}
@media (min-width: 1024px){
  :root{ --side-pad: 56px; }
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
}

body{
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }

.skip-link{
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--c-gold);
  color: #14120F;
  padding: 10px 16px;
  z-index: 200;
  font-weight: 600;
}
.skip-link:focus{ left: var(--side-pad); top: 8px; }

:focus-visible{
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
}

/* ---------- Header ---------- */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px var(--side-pad);
  background: linear-gradient(to bottom, rgba(20,18,15,0.92), rgba(20,18,15,0));
  backdrop-filter: blur(2px);
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.brand-mark{ flex: none; }
.brand-word{
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand-word em{ font-style: italic; color: var(--c-gold-soft); }

.site-nav{
  display: none;
  gap: 28px;
  font-size: 14px;
  color: var(--c-text-muted);
}
.site-nav a{ transition: color var(--motion-fast) var(--ease-line); }
.site-nav a:hover, .site-nav a:focus-visible{ color: var(--c-gold-soft); }

.cta-header{
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  border: 1px solid var(--c-gold);
  color: var(--c-gold-soft);
  padding: 9px 16px;
  border-radius: 2px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: background var(--motion-fast) var(--ease-line), color var(--motion-fast) var(--ease-line);
}
.cta-header:hover, .cta-header:focus-visible{
  background: var(--c-gold);
  color: #14120F;
}

@media (min-width: 860px){
  .site-nav{ display: flex; }
  .cta-header{ display: inline-flex; }
}

.nav-toggle{
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--c-border);
  border-radius: 2px;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 1.5px;
  background: var(--c-text);
  margin: 0 9px;
  transition: transform var(--motion-fast) var(--ease-line), opacity var(--motion-fast) var(--ease-line);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

@media (min-width: 860px){
  .nav-toggle{ display: none; }
}

.mobile-nav{
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--c-bg);
  padding: 96px var(--side-pad) 40px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  font-family: var(--font-display);
  font-size: 26px;
}
.mobile-nav[hidden]{ display: none; }
.mobile-nav-cta{
  margin-top: auto;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  padding: 16px;
  background: var(--c-gold);
  color: #14120F;
  border-radius: 2px;
}

/* ---------- Typography ---------- */
.eyebrow{
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-gold-soft);
  margin: 0 0 14px;
}

.display-xl{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.15rem, 9vw, 5.6rem);
  line-height: 1.06;
  margin: 0 0 20px;
  max-width: 14ch;
}
.display-lg{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 1.06;
  margin: 0 0 20px;
  max-width: 16ch;
}
.display-md{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.7rem, 4.4vw, 2.6rem);
  line-height: 1.1;
  margin: 0 0 24px;
  max-width: 20ch;
}

.lead{
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--c-text-muted);
  max-width: 46ch;
  margin: 0 0 32px;
}

/* ---------- Buttons ---------- */
.cta-row{ display: flex; flex-wrap: wrap; gap: 14px; }

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 26px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  border-radius: 2px;
  transition: background var(--motion-fast) var(--ease-line), color var(--motion-fast) var(--ease-line), border-color var(--motion-fast) var(--ease-line);
}
.btn-primary{
  background: var(--c-gold);
  color: #14120F;
}
.btn-primary:hover, .btn-primary:focus-visible{ background: var(--c-gold-soft); }
.btn-ghost{
  border: 1px solid var(--c-border);
  color: var(--c-text);
}
.btn-ghost:hover, .btn-ghost:focus-visible{ border-color: var(--c-gold); color: var(--c-gold-soft); }

/* ---------- Scenes (generic) ---------- */
.scene{
  position: relative;
  padding: 120px var(--side-pad) 90px;
}
.scene-inner{
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

/* Spine base */
.spine{ width: 100%; overflow: visible; }
.spine-line{ fill: none; }

/* ---------- Scene 01 — Entry ---------- */
.scene-entry{
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  background:
    radial-gradient(ellipse 90% 60% at 30% 0%, rgba(107,84,54,0.20), transparent 60%),
    var(--c-bg);
}
.scene-entry .scene-inner{ width: 100%; }
.spine-entry{ height: 46px; margin-bottom: 34px; max-width: 420px; }
.spine-line--wood{
  stroke: var(--c-wood-light);
  stroke-width: 3;
  stroke-linecap: round;
}
.scroll-hint{
  margin-top: 54px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  opacity: .7;
}

/* ---------- Scene 02 — Disciplinas ---------- */
.scene-disciplinas{ background: var(--c-bg); }
.spine-disciplinas{ height: 90px; margin: 34px 0 46px; }
.spine-line--morph{
  stroke: var(--c-wood-light);
  stroke-width: 2.5;
}

.disciplinas-grid{
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 760px){
  .disciplinas-grid{ grid-template-columns: repeat(3, 1fr); gap: 28px; }
}

.disciplina{
  border-top: 1px solid var(--c-border);
  padding-top: 22px;
  transition: transform var(--motion-base) var(--ease-line);
}
.disciplina[data-active="true"]{ transform: translateY(-4px); }
.disciplina-line{
  width: 80px;
  height: 14px;
  margin-bottom: 16px;
}
.disciplina-line path{
  fill: none;
  stroke: var(--c-gold-soft);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.disciplina-num{
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--c-gold-soft);
  letter-spacing: .1em;
}
.disciplina h3{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 10px 0 10px;
}
.disciplina p{
  color: var(--c-text-muted);
  font-size: .96rem;
  margin: 0;
  max-width: 32ch;
}

/* ---------- Scene 03 — Escenario (climax) ---------- */
.scene-escenario{ padding: 0; }
.scene-pin{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px var(--side-pad);
  perspective: 1200px;
}

.escenario-layers{ position: absolute; inset: 0; }
.layer{ position: absolute; inset: 0; transform-style: preserve-3d; }
.layer-bg{
  background: linear-gradient(180deg, #14120F 0%, #1c1611 60%, #241611 100%);
  transform: translateZ(-220px) scale(1.22);
  filter: blur(2.5px);
}
.layer-mid{
  background: linear-gradient(120deg, rgba(75,58,44,0.5), rgba(20,18,15,0.2));
  transform: translateZ(-90px) scale(1.09);
  filter: blur(0.5px);
}
.layer-glow{
  background: radial-gradient(ellipse 70% 55% at 68% 42%, rgba(196,99,46,0.55), rgba(122,42,32,0.25) 55%, transparent 78%);
  transform: translateZ(20px) scale(0.97);
  opacity: .4;
}

.spine-escenario{
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 160px;
  transform: translateY(-50%) translateZ(0);
}
.spine-line--beam{
  stroke-width: 4;
  stroke-linecap: round;
  transition: stroke-width var(--motion-slow) var(--ease-line);
}

.escenario-copy{
  position: relative;
  z-index: 3;
  max-width: 620px;
}
.context-date{ color: var(--c-text-muted); font-size: .9em; }

/* ---------- Scene 04 — Vías de acceso ---------- */
.scene-vias{ background: var(--c-bg-raised); }
.spine-vias{ height: 28px; margin: 20px 0 40px; opacity: .5; }
.spine-line--quiet{ stroke: var(--c-wood-light); stroke-width: 1.5; }

.vias-grid{
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px){
  .vias-grid{ grid-template-columns: 1fr 1fr; gap: 24px; }
}

.via-card{
  border: 1px solid var(--c-border);
  border-radius: 3px;
  padding: 26px 24px;
  background: rgba(244,239,230,0.02);
}
.via-badge{
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-gold-soft);
  margin-bottom: 12px;
}
.via-card h3{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
  margin: 0 0 10px;
}
.via-card p{
  color: var(--c-text-muted);
  font-size: .95rem;
  margin: 0;
}

/* ---------- Scene 05 — Contacto ---------- */
.scene-contacto{ background: var(--c-bg); }
.spine-contacto{ height: 40px; margin-bottom: 28px; max-width: 200px; transition: max-width var(--motion-slow) var(--ease-line); }
.spine-line--open{ stroke: var(--c-gold); stroke-width: 3; stroke-linecap: round; }
.spine-contacto[data-open="true"]{ max-width: 100%; }

.contact-grid{
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-top: 12px;
}
@media (min-width: 640px){
  .contact-grid{ grid-template-columns: 1fr 1fr; }
}

.contact-item{
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  border: 1px solid var(--c-border);
  border-radius: 2px;
  min-height: 64px;
  justify-content: center;
  transition: border-color var(--motion-fast) var(--ease-line), background var(--motion-fast) var(--ease-line);
}
.contact-item:hover, .contact-item:focus-visible{
  border-color: var(--c-gold);
  background: rgba(201,162,39,0.06);
}
.contact-label{
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-text-muted);
}
.contact-value{ font-size: 1rem; font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer{
  padding: 40px var(--side-pad) 48px;
  border-top: 1px solid var(--c-border);
}
.footer-inner{ max-width: var(--max-w); margin: 0 auto; }
.footer-brand{
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 10px;
}
.footer-note{
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-text-muted);
  max-width: 62ch;
  margin: 0;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  .spine-line--wood{ opacity: 1 !important; }
  .disciplina{ transform: none !important; }
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}