/* ============================================================
   PROYECTIVA FURNITURE — Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo:ital,wght@0,500;0,600;0,700;0,800;0,900;1,600;1,700&family=Inter:wght@300;400;500;600;700&display=swap');

:root{
  /* Brand */
  --ink:        #0e1216;
  --charcoal:   #171c22;
  --navy:       #212b36;
  --line:       rgba(244,238,227,0.14);
  --cream:      #f5efe4;
  --cream-dim:  #cfc7b8;
  --gold:       #c9a04a;
  --amber:      #e08d3c;
  --amber-2:    #f2a75a;

  /* Type */
  --display: 'Archivo', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Motion */
  --ease: cubic-bezier(.16,.8,.24,1);
  --dur-s: .4s;
  --dur-m: .8s;
  --dur-l: 1.4s;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html, body{ margin:0; padding:0; }

body{
  background: var(--ink);
  color: var(--cream);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, video{ max-width: 100%; display:block; }

a{ color: inherit; text-decoration: none; }

::selection{ background: var(--amber); color: var(--ink); }

.container{
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

h1,h2,h3,h4{
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  color: var(--cream);
}

.section-title{
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  font-weight: 800;
}

.eyebrow{
  display:flex;
  align-items:center;
  gap:.75rem;
  font-family: var(--sans);
  font-size: .72rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--amber-2);
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.eyebrow::before{
  content:'';
  width: 28px; height: 1px;
  background: var(--amber);
  display:inline-block;
}

.section{ position: relative; padding: clamp(5rem, 12vw, 9rem) 0; }
.section-head{ max-width: 640px; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.section-head p{ color: var(--cream-dim); font-size: 1.05rem; max-width: 52ch; }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  padding: .95rem 1.9rem;
  border-radius: 999px;
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .02em;
  cursor:pointer;
  border: 1px solid transparent;
  transition: transform var(--dur-s) var(--ease), background var(--dur-s), border-color var(--dur-s), color var(--dur-s);
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{
  background: linear-gradient(135deg, var(--amber-2), var(--amber));
  color: var(--ink);
}
.btn-primary:hover{ box-shadow: 0 12px 30px -8px rgba(224,141,60,.55); }
.btn-ghost{
  background: transparent;
  color: var(--cream);
  border-color: var(--line);
}
.btn-ghost:hover{ border-color: var(--amber); color: var(--amber-2); }
.btn-sm{ padding: .7rem 1.3rem; font-size: .8rem; }

/* ============ NAV ============ */
.nav{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  padding: 1.4rem 0;
  transition: background var(--dur-s) var(--ease), padding var(--dur-s) var(--ease), border-color var(--dur-s);
  border-bottom: 1px solid transparent;
  background: linear-gradient(rgba(6,8,10,.65), rgba(6,8,10,0));
}
.nav.scrolled{
  background: rgba(14,18,22,.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: .9rem 0;
  border-color: var(--line);
}
.nav .container{ display:flex; align-items:center; justify-content:space-between; gap: 2rem; }

.brand{ display:flex; align-items:center; gap:.65rem; }
.brand-mark{ width: 30px; height:30px; flex-shrink:0; }
.brand-word{ font-family: var(--display); font-size: 1.15rem; letter-spacing: .02em; }
.brand-word span{ display:block; font-family: var(--sans); font-size:.58rem; letter-spacing:.34em; color: var(--amber-2); font-weight:600; }

.nav-links{ display:flex; align-items:center; gap: 2.2rem; }
.nav-links a{
  font-size: .85rem; font-weight:500; color: var(--cream-dim);
  position:relative; padding: .2rem 0;
  transition: color var(--dur-s);
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background: var(--amber); transition: width var(--dur-s) var(--ease);
}
.nav-links a:hover{ color: var(--cream); }
.nav-links a:hover::after{ width:100%; }

.nav-cta{ display:flex; align-items:center; gap:.8rem; }
.nav-toggle{
  display:none; background:none; border:1px solid var(--line); color: var(--cream);
  width:42px; height:42px; border-radius:50%; align-items:center; justify-content:center; cursor:pointer;
}

.mobile-menu{
  position:fixed; inset: 0 0 0 auto; z-index: 99;
  width: min(340px, 82vw); height: 100svh;
  background: var(--charcoal); border-left: 1px solid var(--line);
  padding: 6.5rem 2rem 2rem;
  display:flex; flex-direction:column; gap: 1.6rem;
  transform: translateX(100%);
  transition: transform var(--dur-m) var(--ease);
}
.mobile-menu.open{ transform: none; }
.mobile-menu a{ font-size: 1.05rem; color: var(--cream-dim); }
.mobile-menu a:hover{ color: var(--amber-2); }

/* ============ HERO ============ */
.hero{
  position: relative;
  min-height: 100svh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background: var(--ink);
}
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-media img, .hero-media video{
  width:100%; height:100%; object-fit:cover;
}
.hero-media::after{
  content:'';
  position:absolute; inset:0;
  background:
    linear-gradient(0deg, rgba(6,8,10,.98) 0%, rgba(6,8,10,.88) 32%, rgba(6,8,10,.55) 58%, rgba(6,8,10,.7) 100%),
    linear-gradient(90deg, rgba(6,8,10,.72) 0%, rgba(6,8,10,.1) 55%);
}

.hero-slide{
  position:absolute; inset:0;
  opacity:0;
  transform: scale(1.08);
  transition: opacity 1.6s var(--ease), transform 8s linear;
}
.hero-slide.active{ opacity:1; transform: scale(1); z-index:1; }

.hero-content{
  position: relative; z-index: 2;
  width:100%;
  padding-bottom: clamp(3.5rem, 8vw, 6rem);
  padding-top: 9rem;
}
.hero-text{
  display:inline-block;
  max-width: min(100%, 780px);
  background: rgba(6,8,10,.4);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(244,238,227,0.1);
  border-radius: 10px;
  padding: clamp(1.6rem, 3vw, 2.8rem);
}
.hero-tag{
  font-family: var(--sans); font-size:.78rem; letter-spacing:.32em; text-transform:uppercase;
  color: var(--amber-2); font-weight:700; margin-bottom: 1.5rem;
}
.hero h1{
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  line-height: .98;
  letter-spacing: -0.03em;
  max-width: 14ch;
  margin-bottom: 1.6rem;
}
.hero h1 em{ font-style: normal; color: var(--amber-2); }
.hero-sub{
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--cream);
  max-width: 46ch;
  margin-bottom: 2.6rem;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap: 1rem; align-items:center; }

.hero-scroll{
  position:absolute; bottom: 2.2rem; right: clamp(1.25rem,4vw,3rem); z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:.6rem;
  color: var(--cream-dim); font-size:.68rem; letter-spacing:.24em; text-transform:uppercase;
}
.hero-scroll .line{ width:1px; height:46px; background: linear-gradient(var(--amber), transparent); animation: scrollpulse 2.2s var(--ease) infinite; }
@keyframes scrollpulse{ 0%{ opacity:.2 } 50%{ opacity:1 } 100%{ opacity:.2 } }

.hero-stat{
  position:absolute; z-index:2; left: clamp(1.25rem,4vw,3rem); bottom: 2.4rem;
  display:flex; gap: clamp(1.6rem,4vw,3rem);
}
.hero-stat div strong{ display:block; font-family:var(--display); font-size:2rem; color: var(--cream); }
.hero-stat div span{ font-size:.72rem; letter-spacing:.08em; color: var(--cream-dim); }

/* ============ REVEAL ============ */
[data-reveal]{
  opacity:0;
  transform: translateY(38px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
[data-reveal].in{ opacity:1; transform:none; }
[data-reveal-delay="1"]{ transition-delay:.08s; }
[data-reveal-delay="2"]{ transition-delay:.16s; }
[data-reveal-delay="3"]{ transition-delay:.24s; }
[data-reveal-delay="4"]{ transition-delay:.32s; }
[data-reveal-delay="5"]{ transition-delay:.4s; }
[data-reveal-delay="6"]{ transition-delay:.48s; }

/* ============ MARCA / NOSOTROS ============ */
.about{ background: var(--charcoal); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.about-grid{ display:grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem,6vw,5rem); align-items:center; }
.about-copy p{ color: var(--cream-dim); font-size:1.05rem; margin: 0 0 1.4rem; max-width: 52ch; }
.about-quote{
  font-family: var(--display); font-weight: 700; font-size: clamp(1.3rem,2.4vw,1.8rem);
  letter-spacing: -0.01em;
  color: var(--cream); border-left: 3px solid var(--amber); padding-left: 1.4rem; margin: 2rem 0;
}
.about-media{ position:relative; border-radius: 4px; overflow:hidden; aspect-ratio: 4/5; }
.about-media img{ width:100%; height:100%; object-fit:cover; }
.about-badge{
  position:absolute; bottom:1.4rem; left:1.4rem; right:1.4rem;
  background: rgba(14,18,22,.7); backdrop-filter: blur(10px);
  border: 1px solid var(--line); border-radius: 3px;
  padding: 1rem 1.2rem;
  display:flex; align-items:center; gap:1rem;
}
.about-badge strong{ font-family: var(--display); font-size: 2.1rem; color: var(--amber-2); line-height:1; }
.about-badge span{ font-size:.78rem; color: var(--cream-dim); }

/* ============ SERVICIOS ============ */
.services-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border:1px solid var(--line); }
.service-card{
  background: var(--ink); padding: 2.4rem 2rem; position:relative; overflow:hidden;
  transition: background var(--dur-m) var(--ease);
}
.service-card:hover{ background: var(--charcoal); }
.service-card .num{ font-family: var(--display); font-size:.85rem; color: var(--amber); margin-bottom: 1.6rem; display:block; }
.service-card svg{ width: 30px; height:30px; stroke: var(--amber-2); margin-bottom: 1.6rem; }
.service-card h3{ font-size: 1.28rem; margin-bottom: .7rem; }
.service-card p{ color: var(--cream-dim); font-size: .92rem; }

/* ============ PROCESO ============ */
.process{ background: var(--ink); }
.process-list{ position:relative; }
.process-list::before{
  content:''; position:absolute; left: 22px; top:10px; bottom:10px; width:1px;
  background: linear-gradient(var(--line), var(--amber), var(--line));
}
.process-item{
  position:relative; display:grid; grid-template-columns: 46px 1fr; gap: 1.6rem;
  padding: 1.8rem 0; border-bottom: 1px solid var(--line);
}
.process-item:last-child{ border-bottom:none; }
.process-dot{
  width: 46px; height:46px; border-radius:50%;
  border: 1px solid var(--line); background: var(--charcoal);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--display); font-size:1.1rem; color: var(--amber-2);
  transition: border-color var(--dur-m), background var(--dur-m);
}
.process-item.in .process-dot{ border-color: var(--amber); background: rgba(224,141,60,.12); }
.process-body{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:.6rem 2rem; align-items:baseline; }
.process-body h3{ font-size:1.25rem; flex: 1 1 260px; }
.process-body p{ color: var(--cream-dim); font-size:.94rem; margin:0; flex: 2 1 320px; }

/* ============ DETRÁS DE PROYECTIVA ============ */
.behind{ background: var(--ink); }
.behind-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: repeat(2, 220px);
  gap: .6rem;
}
.behind-video{
  grid-column: 1; grid-row: 1 / span 2;
  position:relative; border-radius: 4px; overflow:hidden; background: var(--charcoal);
}
.behind-video video{ width:100%; height:100%; object-fit:cover; }
.behind-video-label{
  position:absolute; left:1rem; bottom:1rem; z-index:2;
  font-size:.78rem; color: var(--cream-dim); background: rgba(6,8,10,.6);
  padding:.4rem .8rem; border-radius:999px; pointer-events:none;
  backdrop-filter: blur(6px);
}
.behind-photo{ border-radius:4px; overflow:hidden; }
.behind-photo img{ width:100%; height:100%; object-fit:cover; }

/* ============ PORTAFOLIO ============ */
.portfolio{ background: var(--charcoal); border-top:1px solid var(--line); }
.pf-filters{ display:flex; flex-wrap:wrap; gap:.6rem; margin-bottom: 2.6rem; }
.pf-filter{
  padding:.55rem 1.1rem; border-radius:999px; border:1px solid var(--line);
  font-size:.8rem; color: var(--cream-dim); cursor:pointer; background:transparent;
  transition: all var(--dur-s);
}
.pf-filter:hover{ color: var(--cream); border-color: var(--amber); }
.pf-filter.active{ background: var(--amber); border-color: var(--amber); color: var(--ink); font-weight:600; }

.pf-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 14vw;
  gap: .5rem;
}
.pf-item{
  position:relative; overflow:hidden; cursor:pointer; border-radius:2px;
  background: var(--ink);
}
.pf-item.hide{ display:none; }
.pf-item img{ width:100%; height:100%; object-fit:cover; transition: transform 1.2s var(--ease); }
.pf-item:hover img{ transform: scale(1.08); }
.pf-item::after{
  content:''; position:absolute; inset:0;
  background: linear-gradient(0deg, rgba(10,13,16,.85), rgba(10,13,16,0) 55%);
  opacity:0; transition: opacity var(--dur-s);
}
.pf-item:hover::after{ opacity:1; }
.pf-item .pf-label{
  position:absolute; left:.9rem; bottom:.8rem; right:.9rem; z-index:2;
  font-size:.8rem; color: var(--cream); opacity:0; transform: translateY(8px);
  transition: all var(--dur-s) var(--ease);
}
.pf-item:hover .pf-label{ opacity:1; transform:none; }
.pf-item .pf-label span{ display:block; font-size:.68rem; color: var(--amber-2); letter-spacing:.1em; text-transform:uppercase; margin-bottom:.2rem; }

.pf-item.big{ grid-column: span 2; grid-row: span 2; }
.pf-item.wide{ grid-column: span 2; }
.pf-item.tall{ grid-row: span 2; }

/* Lightbox */
.lightbox{
  position:fixed; inset:0; z-index: 1000;
  background: rgba(8,10,13,.96);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition: opacity var(--dur-s);
  padding: 4rem 2rem;
}
.lightbox.open{ opacity:1; visibility:visible; }
.lightbox img{ max-width: min(1100px, 92vw); max-height: 82vh; object-fit:contain; border-radius:2px; }
.lightbox-close, .lightbox-prev, .lightbox-next{
  position:absolute; background:none; border:1px solid var(--line); color: var(--cream);
  width:46px; height:46px; border-radius:50%; cursor:pointer; display:flex; align-items:center; justify-content:center;
  transition: border-color var(--dur-s), color var(--dur-s);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover{ border-color: var(--amber); color: var(--amber-2); }
.lightbox-close{ top: 1.6rem; right: 1.6rem; }
.lightbox-prev{ left: 1.6rem; top:50%; transform: translateY(-50%); }
.lightbox-next{ right: 1.6rem; top:50%; transform: translateY(-50%); }
.lightbox-caption{ position:absolute; bottom: 2rem; left:0; right:0; text-align:center; color: var(--cream-dim); font-size:.85rem; }

/* ============ COTIZA / CONTACTO ============ */
.contact{ background: var(--ink); }
.contact-grid{ display:grid; grid-template-columns: .95fr 1.05fr; gap: clamp(2rem,6vw,5rem); }
.contact-side p{ color: var(--cream-dim); max-width: 42ch; }
.contact-list{ margin-top: 2.2rem; display:flex; flex-direction:column; gap: 1.1rem; }
.contact-list a, .contact-list div{
  display:flex; align-items:center; gap: .9rem; font-size:.96rem; color: var(--cream);
}
.contact-list svg{ width:20px; height:20px; stroke: var(--amber-2); flex-shrink:0; }

.form-card{
  background: var(--charcoal); border:1px solid var(--line); border-radius: 6px;
  padding: clamp(1.6rem, 3vw, 2.6rem);
}
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field{ margin-bottom: 1.1rem; }
.field label{ display:block; font-size:.78rem; letter-spacing:.05em; color: var(--cream-dim); margin-bottom:.5rem; }
.field input, .field select, .field textarea{
  width:100%; background: var(--ink); border:1px solid var(--line); color: var(--cream);
  padding: .85rem 1rem; border-radius: 4px; font-family: var(--sans); font-size:.94rem;
  transition: border-color var(--dur-s);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color: var(--amber); }
.field textarea{ resize: vertical; min-height: 96px; }
.form-note{ font-size:.78rem; color: var(--cream-dim); margin-top: 1rem; }
.form-success{
  display:none; text-align:center; padding: 2rem 1rem; color: var(--amber-2); font-family: var(--display); font-size:1.15rem;
}
.form-success.show{ display:block; }
#quote-form.is-hidden{ display:none; }

/* ============ AGENDA ============ */
.schedule{ background: var(--charcoal); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.schedule-grid{ display:grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem,6vw,4rem); align-items:start; }
.schedule-embed{
  border:1px solid var(--line); border-radius:6px; overflow:hidden; min-height: 560px;
  background: var(--ink); position:relative;
}
.schedule-embed iframe{ width:100%; height:560px; border:0; }
.schedule-fallback{
  position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding: 2rem; gap: 1rem; color: var(--cream-dim);
}

/* ============ FOOTER ============ */
.site-footer{ background: var(--ink); padding: clamp(3rem,6vw,4.5rem) 0 2rem; }
.footer-top{ display:grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom:1px solid var(--line); }
.footer-brand p{ color: var(--cream-dim); max-width: 34ch; margin-top: 1rem; font-size:.92rem; }
.footer-col h4{ font-family: var(--sans); font-size:.78rem; letter-spacing:.16em; text-transform:uppercase; color: var(--cream-dim); margin-bottom:1.2rem; }
.footer-col a, .footer-col span{ display:block; color: var(--cream-dim); font-size:.92rem; margin-bottom:.7rem; transition: color var(--dur-s); }
.footer-col a:hover{ color: var(--amber-2); }
.footer-social{ display:flex; gap:.8rem; margin-top:.4rem; }
.footer-social a{
  width:38px; height:38px; border:1px solid var(--line); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
}
.footer-social svg{ width:16px; height:16px; stroke: var(--cream); }
.footer-social a:hover{ border-color: var(--amber); }
.footer-social a:hover svg{ stroke: var(--amber-2); }
.footer-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:1rem; padding-top: 1.8rem; font-size:.78rem; color: var(--cream-dim); }

.whatsapp-fab{
  position:fixed; right: 1.6rem; bottom: 1.6rem; z-index: 90;
  width: 58px; height:58px; border-radius:50%;
  background: linear-gradient(135deg, var(--amber-2), var(--amber));
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 14px 30px -8px rgba(0,0,0,.6);
  transition: transform var(--dur-s) var(--ease);
}
.whatsapp-fab:hover{ transform: scale(1.08) translateY(-2px); }
.whatsapp-fab svg{ width: 28px; height:28px; fill: var(--ink); }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px){
  .nav-links{ display:none; }
  .nav-toggle{ display:flex; }
  .nav-cta .btn-ghost{ display:none; }
  .about-grid, .contact-grid, .schedule-grid{ grid-template-columns: 1fr; }
  .about-media{ order:-1; aspect-ratio: 16/10; }
  .services-grid{ grid-template-columns: repeat(2,1fr); }
  .behind-grid{ grid-template-columns: 1fr 1fr; grid-template-rows: 260px repeat(2, 160px); }
  .behind-video{ grid-column: 1 / span 2; grid-row: 1; }
  .pf-grid{ grid-template-columns: repeat(2,1fr); grid-auto-rows: 34vw; }
  .pf-item.big{ grid-column: span 2; grid-row: span 1; }
  .footer-top{ grid-template-columns: 1fr; gap: 2rem; }
  .form-row{ grid-template-columns: 1fr; }
  .hero-stat{ position:static; margin-top: 2.6rem; }
}
@media (max-width: 620px){
  .services-grid{ grid-template-columns: 1fr; }
  .pf-grid{ grid-template-columns: 1fr 1fr; }
  .behind-grid{ grid-template-columns: 1fr; grid-template-rows: 260px repeat(3, 220px); }
  .behind-video{ grid-column: 1; grid-row: 1; }
}

@media (max-width: 480px){
  .brand-word{ font-size: 1rem; }
  .nav-cta .btn-primary{ display:none; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  [data-reveal]{ transition:none; opacity:1; transform:none; }
  .hero-media img, .hero-media video{ transition:none; transform:none; }
}