:root{
  --bg:#000;
  --fg:#f5f5f5;
  --muted:rgba(245,245,245,.62);
  --line:rgba(255,255,255,.12);
  --card:rgba(255,255,255,.04);
  --radius:18px;
  --shadow: 0 25px 80px rgba(0,0,0,.75);
  --max: 1200px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  overflow-x:hidden;
}

/* Helpers */
.wrap{
  width:min(var(--max), calc(100% - 40px));
  margin:0 auto;
}
.muted{ color: var(--muted); }
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* Grain overlay (opcional) */
.grain{
  position:fixed; inset:0;
  pointer-events:none;
  z-index:-2;
  opacity:.10;
  background: url("../img/grain.png") repeat;
  mix-blend-mode: overlay;
}

/* Cursor glow */
.cursor-glow{
  position:fixed;
  width:520px; height:520px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(255,255,255,.08), transparent 58%);
  transform: translate(-50%,-50%);
  pointer-events:none;
  z-index:-1;
  filter: blur(2px);
}

/* Topbar */
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(0,0,0,.72);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar__inner{
  width:min(var(--max), calc(100% - 40px));
  margin:0 auto;
  padding: 14px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  text-decoration:none;
}
.brand__logo{
  height: 26px;
  width: auto;
  display:block;
  filter: drop-shadow(0 10px 30px rgba(0,0,0,.5));
}

.nav{
  display:flex;
  align-items:center;
  gap: 16px;
}
.nav__link{
  color: rgba(255,255,255,.68);
  text-decoration:none;
  font-size: 12px;
  letter-spacing: 1.6px;
}
.nav__link:hover{ color: var(--fg); }

.nav__btn{
  text-decoration:none;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 1.8px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--fg);
}
.nav__btn:hover{
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.08);
}

/* Buttons */
.btn{
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: var(--fg);
  padding: 10px 14px;
  border-radius: 14px;
  font-weight:800;
  letter-spacing: 1px;
  cursor:pointer;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.22);
}
.btn:active{ transform: translateY(0); }

.btn-primary{
  background: rgba(255,255,255,.92);
  color:#000;
  border-color: rgba(255,255,255,.92);
}
.btn-primary:hover{ background:#fff; }

.btn-outline{
  background: rgba(0,0,0,.35);
}

/* =========================
   HERO
========================= */
.hero{
  position:relative;
  min-height: calc(100vh - 64px);
  display:flex;
  align-items:center;
  overflow:hidden;
}

.hero-bg{
  position:absolute;
  inset:0;
  background: url("../img/hero-persona.jpg") no-repeat center right;
  background-size: cover;
  filter: brightness(0.85) contrast(1.05);
  transform: scale(1.02);
  z-index:1;
}

.hero-overlay{
  position:absolute;
  inset:0;
  background: linear-gradient(
    to right,
    rgba(0,0,0,0.93) 0%,
    rgba(0,0,0,0.78) 45%,
    rgba(0,0,0,0.48) 70%,
    rgba(0,0,0,0.18) 100%
  );
  z-index:2;
}

.hero-grid{
  position:relative;
  z-index:3;
  width:min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 42px;
  align-items:center;
}

/* Left text */
.eyebrow{
  margin:0 0 10px;
  font-size: 11px;
  letter-spacing: 3px;
  color: rgba(255,255,255,.62);
}

.hero-title{
  margin:0;
  font-size: clamp(44px, 5.2vw, 78px);
  line-height: .95;
  letter-spacing: -1px;
}

.hero-sub{
  margin: 14px 0 0;
  color: rgba(255,255,255,.62);
  font-size: 14px;
  line-height: 1.7;
}

.hero-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

/* Countdown */
.countdown{
  margin-top: 18px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.cd{
  min-width: 86px;
  border:1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 12px 12px;
  background: rgba(0,0,0,.40);
  backdrop-filter: blur(10px);
}
.cd strong{
  display:block;
  font-weight: 800;
  font-size: 20px;
}
.cd span{
  display:block;
  margin-top: 6px;
  font-size: 10px;
  letter-spacing: 2.4px;
  color: rgba(255,255,255,.55);
}

.hero-pills{
  margin-top: 14px;
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.35);
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 2px;
  color: rgba(255,255,255,.70);
}

/* =========================
   PROTOTYPE VIDEO BOX
========================= */
.prototype-box{
  position:relative;
  height: 420px;
  border-radius: 22px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.55);
  box-shadow: var(--shadow);
}

.prototype-video{
  width:100%;
  height:100%;
  object-fit: cover;
  filter: brightness(.85) contrast(1.08);
  transform: scale(1.02);
  transition: transform .35s ease, filter .35s ease;
}

.proto-label{
  position:absolute;
  top: 14px;
  left: 16px;
  font-size: 10px;
  letter-spacing: 3px;
  color: rgba(255,255,255,.68);
  z-index:2;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.35);
  padding: 8px 10px;
  border-radius: 999px;
}

.proto-top{
  position:absolute;
  top: 16px;
  right: 16px;
  font-size: 10px;
  letter-spacing: 2px;
  color: rgba(255,255,255,.55);
  z-index:2;
}

.proto-bottom{
  position:absolute;
  bottom: 14px;
  left: 16px;
  font-size: 10px;
  letter-spacing: 2.6px;
  color: rgba(255,255,255,.60);
  z-index:2;
}

/* Zoom effect on click */
.prototype-box.proto-zoom .prototype-video{
  transform: scale(1.08);
  filter: brightness(.80) contrast(1.10);
}

/* =========================
   SECTIONS
========================= */
.section{
  padding: 64px 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.section--tight{ padding: 52px 0; }

.section__head{
  display:flex;
  flex-direction:column;
  gap: 10px;
  margin-bottom: 18px;
}

.h2{
  margin:0;
  font-size: 22px;
  letter-spacing: 1px;
}
.h3{
  margin:0;
  font-size: 15px;
  letter-spacing: .6px;
}
.p{
  margin:0;
  color: rgba(255,255,255,.62);
  line-height: 1.7;
  font-size: 14px;
}

/* Cards */
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{
  border:1px solid rgba(255,255,255,.10);
  border-radius: 20px;
  background: rgba(255,255,255,.03);
  overflow:hidden;
  box-shadow: 0 18px 55px rgba(0,0,0,.55);
  transform: translateZ(0);
}
.card__media{
  height: 190px;
  background-size: cover;
  background-position: center;
  filter: brightness(.95) contrast(1.05);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.card__body{ padding: 14px; }

.tag{
  display:inline-block;
  margin-top: 10px;
  font-size: 10px;
  letter-spacing: 2px;
  color: rgba(255,255,255,.74);
  border:1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(0,0,0,.25);
}

/* Lookbook masonry */
.masonry{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}
.shot{
  position:relative;
  border:1px solid rgba(255,255,255,.10);
  border-radius: 20px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow:hidden;
  min-height: 220px;
  filter: brightness(.95) contrast(1.05);
  box-shadow: 0 18px 55px rgba(0,0,0,.55);
}
.shot[data-size="lg"]{ grid-column: span 7; min-height: 320px; }
.shot[data-size="md"]{ grid-column: span 5; }

.shot__label{
  position:absolute;
  top: 12px;
  left: 12px;
  font-size: 10px;
  letter-spacing: 3px;
  color: rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(0,0,0,.28);
}

/* Notify */
.notify{
  border:1px solid rgba(255,255,255,.10);
  border-radius: 24px;
  background: rgba(255,255,255,.03);
  padding: 18px;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 16px;
  box-shadow: var(--shadow);
}
.list{
  margin: 12px 0 0;
  padding: 0;
  list-style:none;
  color: rgba(255,255,255,.72);
  display:grid;
  gap: 8px;
  font-size: 13px;
}
.notify__form{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items:flex-start;
  justify-content:flex-end;
}
.notify__form input{
  flex: 1 1 240px;
  min-height: 44px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.35);
  color: var(--fg);
  padding: 0 14px;
  outline:none;
}
.notify__form input:focus{
  border-color: rgba(255,255,255,.24);
}

.fine{ font-size: 12px; line-height: 1.5; margin: 8px 0 0; }

/* Footer */
.footer{
  padding: 22px 0 36px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
}
.footer__links{
  display:flex;
  gap: 12px;
  align-items:center;
}

/* Reveal animations */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 34px 0;
  }

  .prototype-box{ height: 300px; }

  .hero-bg{
    background-position: center;
  }

  .grid-3{ grid-template-columns: 1fr; }

  .masonry{ grid-template-columns: repeat(6, 1fr); }
  .shot[data-size="lg"]{ grid-column: span 6; }
  .shot[data-size="md"]{ grid-column: span 6; }

  .notify{ grid-template-columns: 1fr; }
}

@media (max-width: 520px){
  .topbar__inner{ padding: 12px 0; }
  .nav{ gap: 10px; }
  .nav__link{ display:none; } /* deja solo botón avisarme */
  .brand__logo{ height: 24px; }

  .hero-title{
    font-size: 46px;
  }
}