/* =========================================================
   DINZ FILMS — estilos base
   Marca: #7D0F17 · Logo: Uni Sans · Secundaria: Kiona · Complementaria: Helvetica
   Uni Sans y Kiona no están en Google Fonts: cuando tengas los archivos,
   añádelos con @font-face y cambia --font-display / --font-accent.
   ========================================================= */

:root {
  --brand: #7D0F17;
  --brand-bright: #A3141F;
  --brand-glow: rgba(125, 15, 23, 0.45);

  --bg: #0B0B0C;
  --bg-elev: #141416;
  --bg-elev-2: #1C1C1F;
  --line: rgba(255, 255, 255, 0.08);
  --text: #F2F0EE;
  --text-dim: #A09C98;
  --text-faint: #6B6865;

  --font-display: "Uni Sans", "Montserrat", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-accent: "Kiona", "Montserrat", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "Helvetica Neue", Helvetica, "Inter", Arial, sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --max: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 0;
}
h1 { font-size: clamp(2.6rem, 7vw, 5.6rem); text-transform: uppercase; }
h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); text-transform: uppercase; }
h3 { font-size: 1.25rem; }
p { margin: 0; }

.eyebrow {
  font-family: var(--font-accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand-bright);
}
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--text-dim); max-width: 58ch; }
.section { padding: clamp(72px, 10vw, 140px) 0; }
.section-head { display: grid; gap: 16px; margin-bottom: 48px; max-width: 760px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: transform .25s var(--ease), background .25s, border-color .25s, box-shadow .25s;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 10px 30px -10px var(--brand-glow); }
.btn-primary:hover { background: var(--brand-bright); }
.btn-ghost { border-color: var(--line); background: rgba(255,255,255,0.03); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.3); }

/* ---------- Navegación ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(11,11,12,0.82); backdrop-filter: blur(14px); border-color: var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: block; line-height: 0; }
.logo img { height: 46px; width: auto; }
.footer-logo { height: 28px; width: auto; opacity: 0.7; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a:not(.btn) { font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); transition: color .2s; }
.nav-links a:not(.btn):hover, .nav-links a.active { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: transform .3s; }

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; gap: 22px; padding: 28px var(--gutter) 36px;
    background: rgba(11,11,12,0.97); border-bottom: 1px solid var(--line);
    transform: translateY(calc(-100% - 72px)); visibility: hidden;
    transition: transform .4s var(--ease), visibility .4s;
  }
  .nav.open .nav-links { transform: none; visibility: visible; }
  .nav.open { background: rgba(11,11,12,0.97); }
}

/* ---------- Placeholders de media ----------
   Reemplaza .media-ph por <img> o <video> reales de tu banco de material. */
.media-ph {
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 80% at 20% 10%, rgba(125,15,23,0.35), transparent 60%),
    linear-gradient(160deg, #1d1d20, #0e0e10);
}
.media-ph::after {
  content: attr(data-label);
  position: absolute; left: 14px; bottom: 12px;
  font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-faint);
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; padding: 140px 0 80px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-bg video, .hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,11,12,0.3) 0%, rgba(11,11,12,0.55) 55%, var(--bg) 100%);
}
.hero-bg.media-ph::after { content: ""; }
.project .media-ph::after { content: none; }
.hero-content { display: grid; gap: 28px; max-width: 900px; }
.hero h1 em { font-style: normal; color: var(--brand-bright); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 24px; color: var(--text-faint); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; }

/* ---------- Grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; display: grid; gap: 14px; align-content: start;
  transition: border-color .3s, transform .3s var(--ease);
}
.card:hover { border-color: rgba(125,15,23,0.6); transform: translateY(-4px); }
.card .num { font-family: var(--font-display); font-size: 0.85rem; color: var(--brand-bright); letter-spacing: 0.1em; }
.card p { color: var(--text-dim); font-size: 0.95rem; }

/* Trabajos destacados (home) */
.featured { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: 1fr 1fr; gap: 20px; height: clamp(480px, 60vw, 680px); }
.featured > :first-child { grid-row: span 2; }
@media (max-width: 760px) { .featured { grid-template-columns: 1fr; grid-template-rows: none; height: auto; } .featured > * { aspect-ratio: 16/10; } .featured > :first-child { grid-row: auto; } }

/* Tarjeta de proyecto */
.project { position: relative; border-radius: var(--radius); overflow: hidden; display: block; min-height: 220px; cursor: pointer; }
.project .media-ph, .project img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.project:hover .media-ph, .project:hover img { transform: scale(1.04); }
.project-info {
  position: absolute; inset: auto 0 0 0; padding: 22px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  display: grid; gap: 4px;
}
.project-info .tag { font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--brand-bright); font-weight: 700; }
.project-info h3 { font-size: 1.15rem; }
.project-play {
  position: absolute; top: 18px; right: 18px; width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(255,255,255,0.1); backdrop-filter: blur(8px);
  opacity: 0; transition: opacity .3s;
}
.project:hover .project-play { opacity: 1; }

/* Logos clientes */
.logos { display: flex; flex-wrap: wrap; gap: 16px 48px; align-items: center; justify-content: center; opacity: 0.55; }
.logos span { font-family: var(--font-display); font-size: 1.1rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); }

/* Proceso */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.steps > div { padding: 28px 24px 0 0; display: grid; gap: 10px; }
.steps .num { font-family: var(--font-display); font-size: 2.2rem; color: var(--brand); }
.steps p { color: var(--text-dim); font-size: 0.95rem; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; gap: 24px; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Banda CTA */
.cta-band {
  border-radius: calc(var(--radius) * 1.5); padding: clamp(40px, 7vw, 80px);
  background: radial-gradient(120% 140% at 0% 0%, var(--brand) 0%, #3a070b 55%, #160304 100%);
  display: grid; gap: 22px; justify-items: start;
}
.cta-band p { color: rgba(255,255,255,0.75); max-width: 52ch; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 48px 0; color: var(--text-faint); font-size: 0.85rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.footer a:hover { color: var(--text); }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- Page header (portafolio / cotizador) ---------- */
.page-head { padding: 160px 0 48px; display: grid; gap: 18px; }

/* ---------- Portafolio ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter {
  padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); background: transparent;
  font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim);
  transition: all .2s;
}
.filter:hover { color: var(--text); border-color: rgba(255,255,255,0.25); }
.filter.active { background: var(--brand); border-color: var(--brand); color: #fff; }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.portfolio-grid .project { aspect-ratio: 4/3; min-height: 0; }
.portfolio-grid .project.wide { grid-column: span 2; aspect-ratio: auto; }
.portfolio-grid .project.hidden { display: none; }
@media (max-width: 900px) { .portfolio-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .portfolio-grid { grid-template-columns: 1fr; } .portfolio-grid .project.wide { grid-column: auto; aspect-ratio: 4/3; } }

/* Modal / lightbox */
.modal { position: fixed; inset: 0; z-index: 100; display: none; place-items: center; padding: var(--gutter); background: rgba(0,0,0,0.9); }
.modal.open { display: grid; }
.modal-box { width: min(1000px, 100%); display: grid; gap: 18px; }
.modal-media { aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden; }
.modal-media iframe { width: 100%; height: 100%; border: 0; }
.modal-close { position: absolute; top: 20px; right: 24px; background: none; border: 0; font-size: 2rem; line-height: 1; }
.modal-meta { display: grid; gap: 6px; }
.modal-meta p { color: var(--text-dim); }

/* ---------- Cotizador ---------- */
.quote { display: grid; grid-template-columns: 1fr 380px; gap: 32px; align-items: start; padding-bottom: 120px; }
@media (max-width: 960px) { .quote { grid-template-columns: 1fr; } }

.q-step { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 3vw, 32px); margin-bottom: 20px; display: grid; gap: 20px; }
.q-step-head { display: flex; gap: 14px; align-items: baseline; }
.q-step-head .num { font-family: var(--font-display); color: var(--brand-bright); font-size: 0.9rem; letter-spacing: 0.1em; }
.q-step-head p { color: var(--text-dim); font-size: 0.9rem; }

.options { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.option { position: relative; }
.option input { position: absolute; opacity: 0; pointer-events: none; }
.option label {
  display: grid; gap: 4px; height: 100%; padding: 16px 18px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-elev-2);
  cursor: pointer; transition: border-color .2s, background .2s;
}
.option label strong { font-size: 0.98rem; }
.option label small { color: var(--text-dim); font-size: 0.86rem; line-height: 1.4; }
.option label:hover { border-color: rgba(255,255,255,0.2); }
.option input:checked + label { border-color: var(--brand-bright); background: rgba(125,15,23,0.18); }
.option input:focus-visible + label { outline: 2px solid var(--brand-bright); outline-offset: 2px; }

.range-row { display: grid; gap: 10px; }
.range-row .range-label { display: flex; justify-content: space-between; font-size: 0.95rem; }
.range-row output { font-weight: 700; color: var(--text); }
input[type="range"] { width: 100%; accent-color: var(--brand-bright); }

.field { display: grid; gap: 8px; }
.field label { font-size: 0.85rem; color: var(--text-dim); }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg-elev-2); color: var(--text); font: inherit; font-size: 0.95rem;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--brand-bright); }
.fields-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .fields-2 { grid-template-columns: 1fr; } }

.summary {
  position: sticky; top: 96px;
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; display: grid; gap: 18px;
}
.summary-total { display: grid; gap: 4px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.summary-total .amount { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.1; }
.summary-total small { color: var(--text-faint); font-size: 0.8rem; }
.summary ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 0.9rem; }
.summary li { display: flex; justify-content: space-between; gap: 12px; color: var(--text-dim); }
.summary li span:last-child { color: var(--text); white-space: nowrap; }
.summary .empty { color: var(--text-faint); font-size: 0.9rem; }
.summary .note { font-size: 0.78rem; color: var(--text-faint); line-height: 1.5; }
.summary .btn { width: 100%; }
.summary .btn[disabled] { opacity: 0.4; pointer-events: none; }

.demo-banner {
  border: 1px dashed rgba(255, 200, 0, 0.4); color: #e6c45a; background: rgba(255,200,0,0.05);
  border-radius: var(--radius-sm); padding: 12px 16px; font-size: 0.85rem;
}

/* ---------- Animación de entrada ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0s !important; }
}

/* ---------- Problemas (home) ---------- */
.quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 20px; }
.quote-card { border-left: 2px solid var(--brand); padding: 6px 0 6px 22px; display: grid; gap: 10px; align-content: start; }
.quote-text { font-family: var(--font-display); font-size: 1.35rem; line-height: 1.2; color: var(--text); }
.quote-card p:not(.quote-text) { color: var(--text-dim); font-size: 0.95rem; }

/* Precio en tarjetas de servicio */
.price { font-family: var(--font-accent); font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text); padding-top: 4px; }

/* ---------- Cifras (home) ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats > div { padding: 36px 28px 36px 0; display: grid; gap: 8px; }
.stats > div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.stat-num { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); line-height: 1; text-transform: uppercase; }
.stats p { color: var(--text-dim); font-size: 0.95rem; }
@media (max-width: 760px) {
  .stats { grid-template-columns: 1fr; }
  .stats > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
}
.industries { margin-top: 24px; text-align: center; color: var(--text-faint); font-size: 0.85rem; line-height: 1.9; }

/* ---------- Equipo (home) ---------- */
.team { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 20px; }
.team-card { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.team-card .media-ph, .team-card img { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; }
.team-info { padding: 28px; display: grid; gap: 10px; }
.team-info p { color: var(--text-dim); font-size: 0.95rem; }

[hidden] { display: none !important; }