/* ==========================================================
   MONARK BRAND LABS — Landing 3D
   Estética: minimal, blanco/negro, tipografía grotesca
   ========================================================== */

:root {
  --bg: #f4f4f2;
  --ink: #101010;
  --ink-soft: #8a8a8a;
  --line: rgba(16, 16, 16, 0.12);
  --font: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --panel-dur: 0.85s;
  --edge-pad: clamp(16px, 3vw, 40px);
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; background: none; border: none; cursor: pointer; color: inherit; }
a { color: inherit; }

/* ============ PRELOADER ============ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader__mark {
  width: 64px;
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.25; transform: scale(0.96); }
  50% { opacity: 1; transform: scale(1); }
}

/* ============ ESCENA ============ */
.stage {
  position: fixed;
  inset: 0;
  background: var(--bg); /* necesario para que mix-blend-mode "vea" el fondo */
  transition: transform var(--panel-dur) var(--ease-out);
  will-change: transform;
}
/* Parallax: la escena se desliza un poco hacia el lado contrario del panel */
.stage.push-left   { transform: translateX(-18vw); }
.stage.push-right  { transform: translateX(18vw); }
.stage.push-up     { transform: translateY(-18vh); }
.stage.push-down   { transform: translateY(18vh); }

.stage__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

/* ============ NAV EN BORDES ============ */
/* sin z-index: un stacking context aislaría el mix-blend-mode de los botones */
.edge-nav { position: absolute; inset: 0; pointer-events: none; }

.edge {
  position: absolute;
  pointer-events: auto;
  color: #fff;
  mix-blend-mode: difference; /* negro sobre fondo claro, blanco sobre oscuro */
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 16px;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  text-indent: 0.24em;
  font-size: clamp(13px, 1.4vw, 18px);
  font-weight: 500;
  transition: letter-spacing 0.45s var(--ease-out);
}
.edge:hover, .edge:focus-visible { letter-spacing: 0.34em; }

.edge--top    { top: var(--edge-pad); left: 50%; transform: translateX(-50%); align-items: center; }
.edge--bottom { bottom: var(--edge-pad); left: 50%; transform: translateX(-50%); align-items: center; }
.edge--left   { left: var(--edge-pad); top: 50%; transform: translateY(-50%); align-items: flex-start; }
.edge--right  { right: var(--edge-pad); top: 50%; transform: translateY(-50%); align-items: flex-end; }

/* Línea que se dibuja en bucle: señal de que es un botón */
.edge__line {
  display: block;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform-origin: left center;
  animation: edge-sweep 2.8s var(--ease-out) infinite;
}
.edge--right .edge__line { transform-origin: right center; }
.edge--top .edge__line { animation-delay: 0s; }
.edge--left .edge__line { animation-delay: 0.7s; }
.edge--right .edge__line { animation-delay: 1.4s; }
.edge--bottom .edge__line { animation-delay: 2.1s; }
.edge:hover .edge__line, .edge:focus-visible .edge__line {
  animation: none;
  transform: scaleX(1);
  opacity: 1;
}

@keyframes edge-sweep {
  0%   { transform: scaleX(0); opacity: 0; }
  40%  { transform: scaleX(1); opacity: 1; }
  75%  { transform: scaleX(1); opacity: 0.25; }
  100% { transform: scaleX(1); opacity: 0; }
}

/* ============ ESQUINAS ============ */
.corner {
  position: absolute;
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 1px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  pointer-events: none;
}
.corner small { color: var(--ink-soft); font-size: 9px; letter-spacing: 0.18em; }
.corner--tl { top: var(--edge-pad); left: var(--edge-pad); }
.corner--tr { top: var(--edge-pad); right: var(--edge-pad); text-align: right; }
.corner--bl { bottom: var(--edge-pad); left: var(--edge-pad); }
.corner--br { bottom: var(--edge-pad); right: var(--edge-pad); text-align: right; }

/* ============ PANELES ============ */
.panel {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: var(--ink);
  color: var(--bg);
  overflow-y: auto;
  overscroll-behavior: contain;
  transition: transform var(--panel-dur) var(--ease-out), visibility var(--panel-dur);
  visibility: hidden;
  will-change: transform;
}
.panel[data-from="right"]  { transform: translateX(100%); }
.panel[data-from="left"]   { transform: translateX(-100%); }
.panel[data-from="top"]    { transform: translateY(-100%); }
.panel[data-from="bottom"] { transform: translateY(100%); }
.panel.is-open { transform: translate(0, 0); visibility: visible; }

.panel__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) clamp(24px, 6vw, 80px) clamp(60px, 8vh, 100px);
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 5vh, 56px);
}

.panel__head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  border-bottom: 1px solid rgba(244, 244, 242, 0.18);
  padding-bottom: clamp(20px, 3vh, 36px);
}
.panel__num {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: rgba(244, 244, 242, 0.5);
  padding-top: 14px;
}
.panel__title {
  font-size: clamp(44px, 8vw, 110px);
  font-weight: 500;
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.panel__lead {
  font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 300;
  max-width: 34ch;
  color: rgba(244, 244, 242, 0.85);
}

/* Lista de servicios */
.service-list { list-style: none; display: flex; flex-direction: column; }
.service {
  display: flex;
  gap: clamp(16px, 3vw, 40px);
  padding: clamp(18px, 3vh, 28px) 0;
  border-bottom: 1px solid rgba(244, 244, 242, 0.12);
  transition: padding-left 0.4s var(--ease-out);
}
.service:hover { padding-left: 12px; }
.service__idx {
  font-size: 11px;
  letter-spacing: 0.25em;
  color: rgba(244, 244, 242, 0.45);
  padding-top: 6px;
}
.service h3 {
  font-size: clamp(18px, 2.4vw, 28px);
  font-weight: 500;
  margin-bottom: 6px;
}
.service p {
  font-size: clamp(13px, 1.3vw, 15px);
  font-weight: 300;
  color: rgba(244, 244, 242, 0.65);
  max-width: 58ch;
  line-height: 1.6;
}

.panel__cta {
  align-self: flex-start;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(244, 244, 242, 0.4);
  padding: 16px 28px;
  transition: background 0.3s, color 0.3s;
}
.panel__cta:hover { background: var(--bg); color: var(--ink); }
.panel__cta--btn { cursor: pointer; background: none; color: inherit; }

/* Contacto */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: rgba(244, 244, 242, 0.12);
  border: 1px solid rgba(244, 244, 242, 0.12);
}
.contact-item {
  background: var(--ink);
  padding: 22px 20px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background 0.3s;
}
.contact-item:hover { background: #1d1d1d; }
.contact-item small {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(244, 244, 242, 0.45);
}
.contact-item span { font-size: 15px; font-weight: 300; }

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(244, 244, 242, 0.45);
}
.field input, .field textarea {
  background: none;
  border: none;
  border-bottom: 1px solid rgba(244, 244, 242, 0.3);
  color: var(--bg);
  font-family: inherit;
  font-size: 16px;
  font-weight: 300;
  padding: 10px 0;
  outline: none;
  resize: vertical;
  transition: border-color 0.3s;
}
.field input:focus, .field textarea:focus { border-color: var(--bg); }
.contact-form .panel__cta { grid-column: 1 / -1; justify-self: start; }

/* Reel */
.panel--reel { display: grid; }
.reel {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}
.reel__video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--ink);
}
.reel__video.is-missing { display: none; }
.reel__placeholder {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
  padding: 24px;
}
.reel__placeholder.is-visible { display: flex; }
.reel__placeholder svg { width: 72px; opacity: 0.9; }
.reel__placeholder h2 {
  font-size: clamp(22px, 4vw, 44px);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.reel__placeholder p {
  font-size: 13px;
  font-weight: 300;
  color: rgba(244, 244, 242, 0.6);
  line-height: 1.7;
}
.reel__placeholder code {
  font-size: 12px;
  background: rgba(244, 244, 242, 0.1);
  padding: 2px 8px;
  border-radius: 3px;
}

/* ============ BOTÓN CERRAR ============ */
.panel-close {
  position: fixed;
  top: var(--edge-pad);
  right: var(--edge-pad);
  z-index: 30;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: rotate(-90deg) scale(0.8);
  transition: opacity 0.4s var(--ease-out) 0.3s, transform 0.4s var(--ease-out) 0.3s, visibility 0.4s;
}
.panel-close.is-visible {
  opacity: 1;
  visibility: visible;
  transform: rotate(0deg) scale(1);
}
.panel-close span {
  position: absolute;
  width: 22px;
  height: 1.5px;
  background: var(--bg);
  transition: transform 0.3s var(--ease-out);
}
.panel-close span:first-child { transform: rotate(45deg); }
.panel-close span:last-child { transform: rotate(-45deg); }
.panel-close:hover span:first-child { transform: rotate(45deg) scale(1.2); }
.panel-close:hover span:last-child { transform: rotate(-45deg) scale(1.2); }

/* ============ MÓVIL ============ */
@media (max-width: 720px) {
  .edge { font-size: 12px; padding: 10px; letter-spacing: 0.18em; text-indent: 0.18em; }
  .edge--left  { left: 8px; }
  .edge--right { right: 8px; }
  .edge--bottom { width: max-content; max-width: 90vw; }
  .corner--br, .corner--tr { display: none; }
  .contact-form { grid-template-columns: 1fr; }
  .panel__head { flex-direction: column; gap: 8px; }
  .stage.push-left, .stage.push-right { transform: translateX(0); }
}

/* Accesibilidad: menos movimiento */
@media (prefers-reduced-motion: reduce) {
  .stage, .panel, .edge, .service { transition: none; }
  .loader__mark { animation: none; }
}