:root{
  --bg:#000000;
  --bg2:#080807;
  --panel:#161512;
  --paper:#f3efe8;
  --paper2:#e4ded3;
  --gold:#c6a46b;
  --gold2:#e0c184;
  --text:#f4efe5;
  --muted:#b8ad9a;
  --ink:#15130f;
  --line:rgba(255,255,255,.1);
  --line-dark:rgba(21,19,15,.15);
  --shadow:0 34px 90px rgba(0,0,0,.5);
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:#000;
  color:var(--text);
  font-family:Georgia,'Times New Roman',serif;
  line-height:1.6;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:50;
  pointer-events:none;
  background:linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px);
  background-size:100% 4px;
  mix-blend-mode:overlay;
  opacity:.32;
}

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

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

/* =========================
   HEADER / HERO
========================= */

.site-header{
  min-height:100vh;
  background:
    radial-gradient(circle at 78% 46%, rgba(198,164,107,.10), transparent 22%),
    radial-gradient(circle at 20% 20%, rgba(198,164,107,.08), transparent 26%),
    #000000;
  color:var(--text);
}

.nav{
  min-height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:0 5vw;
  background:rgba(0,0,0,.92);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:80;
  backdrop-filter:blur(12px);
}

.brand{
  display:flex;
  flex-direction:column;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--gold2);
}

.brand span{
  font-family:Arial,sans-serif;
  font-size:13px;
  line-height:1;
}

.brand strong{
  font-size:20px;
  line-height:1.1;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:24px;
  font-family:Arial,sans-serif;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:12px;
}

.nav-links a{
  color:#e2d9c9;
  position:relative;
}

.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-9px;
  width:0;
  height:1px;
  background:var(--gold);
  transition:.25s;
}

.nav-links a:hover::after{
  width:100%;
}

.nav-buy,
.home-link{
  border:1px solid rgba(198,164,107,.45);
  padding:10px 14px;
  color:var(--gold2)!important;
}

.menu-toggle{
  display:none;
  background:none;
  border:0;
  color:var(--text);
  font-size:28px;
}

.hero{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:4vw;
  align-items:center;
  min-height:calc(100vh - 82px);
  padding:clamp(40px,6vw,90px) 5vw;
}

.hero-copy{
  position:relative;
  z-index:2;
}

.eyebrow{
  margin:0 0 18px;
  font-family:Arial,sans-serif;
  text-transform:uppercase;
  letter-spacing:.18em;
  font-size:12px;
  color:var(--gold2);
}

.eyebrow.dark{
  color:#9d7a43;
}

.hero h1{
  font-size:clamp(54px,7vw,104px);
  line-height:.96;
  margin:0 0 28px;
  text-transform:uppercase;
  letter-spacing:.02em;
}

.hero h1 span{
  color:var(--gold2);
}

.lead{
  font-size:clamp(18px,2vw,25px);
  max-width:720px;
  color:#e0d6c5;
}

.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:36px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:15px 25px;
  border:1px solid rgba(255,255,255,.25);
  font-family:Arial,sans-serif;
  text-transform:uppercase;
  letter-spacing:.1em;
  font-size:12px;
  transition:.25s;
}

.btn-primary{
  background:linear-gradient(180deg,#dfc184,#b88f51);
  border-color:#d9b878;
  color:#111;
  font-weight:700;
}

.btn-primary:hover,
.btn-ghost:hover{
  transform:translateY(-2px);
}

.btn-ghost{
  color:var(--text);
  background:rgba(0,0,0,.22);
}

.hero-cover{
  display:flex;
  justify-content:center;
  align-items:center;
  position:relative;
  z-index:1;
}

.hero-cover::before{
  content:"";
  position:absolute;
  width:74%;
  height:74%;
  border-radius:50%;
  background:radial-gradient(circle, rgba(198,164,107,.10), transparent 68%);
  filter:blur(22px);
  z-index:-1;
}

.hero-cover img{
  width:min(780px, 92vw);
  height:auto;
  max-height:calc(100vh - 120px);
  object-fit:contain;
  border:none;
  box-shadow:none;
  filter:drop-shadow(0 45px 90px rgba(0,0,0,.82));
  transform:
    perspective(1800px)
    rotateY(-6deg)
    rotateX(1deg);
  transition:transform .4s ease, filter .4s ease;
}

.hero-cover img:hover{
  transform:
    perspective(1800px)
    rotateY(-4deg)
    rotateX(1deg)
    translateY(-4px);
  filter:drop-shadow(0 50px 100px rgba(0,0,0,.9));
}

/* =========================
   PROBLEMA
========================= */

.problem-section{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;
  background:linear-gradient(90deg,#f3f0ea,#ded8cf);
  color:var(--ink);
  min-height:330px;
}

.problem-copy{
  padding:74px 5vw;
}

.problem-copy h2{
  font-size:clamp(36px,4vw,58px);
  line-height:1.02;
  margin:0 0 24px;
}

.problem-copy p{
  font-size:20px;
  max-width:660px;
}

.problem-copy strong{
  color:#9d7a43;
}

.problem-image{
  margin:0;
  height:100%;
  min-height:330px;
}

.problem-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:grayscale(.15) contrast(1.04);
}

/* =========================
   SECCIONES GENERALES
========================= */

.section{
  padding:96px 5vw;
}

.section-heading{
  max-width:900px;
  margin:0 auto 48px;
  text-align:center;
}

.section-heading p{
  font-family:Arial,sans-serif;
  text-transform:uppercase;
  letter-spacing:.18em;
  color:var(--gold2);
  font-size:12px;
}

.section-heading h2{
  font-size:clamp(34px,4.8vw,72px);
  line-height:1.02;
  margin:0;
  font-weight:400;
}

.section-heading.light h2{
  color:var(--text);
}

/* =========================
   VALORES
========================= */

.values-section{
  padding:82px 5vw;
  background:#080807;
}

.values-grid{
  max-width:1100px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}

.value-card{
  text-align:center;
  border-right:1px solid rgba(255,255,255,.12);
  padding:20px 34px;
}

.value-card:last-child{
  border-right:0;
}

.value-card span,
.skill-card span,
.mini-grid span{
  display:block;
  color:var(--gold2);
  font-size:38px;
  margin-bottom:14px;
}

.value-card h3{
  font-size:28px;
  margin:0 0 10px;
  color:#fff;
}

.value-card p{
  margin:0;
  color:#cfc4b2;
}

/* =========================
   CAMINO DEL VENDEDOR
========================= */

.journey-section{
  display:grid;
  grid-template-columns:.82fr 1.18fr;
  background:var(--paper);
  color:var(--ink);
}

.journey-image{
  margin:0;
}

.journey-image img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.journey-copy{
  padding:72px 5vw;
}

.journey-copy h2{
  font-size:clamp(36px,4.8vw,68px);
  line-height:1.02;
  margin:0 0 36px;
}

.mini-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  text-align:center;
}

.mini-grid h3{
  font-size:20px;
  margin:0 0 8px;
}

.mini-grid p{
  margin:0;
  color:#4f473d;
  font-size:15px;
}

.mini-grid span{
  font-size:32px;
  color:#b98c4d;
}

/* =========================
   CLAVES MODERNAS
========================= */

.modern-section{
  background:#090908;
}

.cards-grid{
  max-width:1240px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
}

.skill-card{
  background:linear-gradient(180deg,#171713,#11110f);
  border:1px solid rgba(255,255,255,.08);
  padding:30px 22px;
  text-align:center;
  box-shadow:0 20px 50px rgba(0,0,0,.25);
}

.skill-card h3{
  margin:0 0 12px;
  color:#fff;
  font-size:22px;
}

.skill-card p{
  margin:0;
  color:#c8bdaa;
  font-size:15px;
}

.skill-card span{
  font-size:34px;
}

/* =========================
   FASES DE LA VENTA
========================= */

.steps-section{
  background:#f4f0e9;
  color:var(--ink);
  padding:88px 5vw;
}

.steps-line{
  max-width:1240px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:18px;
  position:relative;
  text-align:center;
}

.steps-line::before{
  content:"";
  position:absolute;
  top:25px;
  left:8%;
  right:8%;
  height:2px;
  background:#c7b496;
}

.steps-line article{
  position:relative;
}

.steps-line span{
  position:relative;
  z-index:2;
  margin:0 auto 20px;
  width:54px;
  height:54px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--gold);
  color:#fff;
  font-size:24px;
  font-weight:700;
}

.steps-line h3{
  font-size:18px;
  margin:0 0 8px;
}

.steps-line p{
  margin:0;
  color:#4f473d;
  font-size:14px;
}

/* =========================
   ÉTICA
========================= */

.ethic-section{
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  background:#050505;
  color:#fff;
}

.ethic-copy{
  padding:80px 5vw;
}

.quote-mark{
  font-size:96px;
  color:var(--gold);
  line-height:0;
  margin:0 0 20px;
}

.ethic-copy h2{
  font-size:clamp(36px,5vw,70px);
  line-height:1.02;
  margin:0 0 16px;
}

.ethic-copy p:not(.quote-mark){
  font-size:25px;
  color:#d8ccb7;
}

.ethic-image{
  margin:0;
  height:100%;
}

.ethic-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:contrast(1.05);
}

/* =========================
   AUTOR
========================= */

.author-section{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  background:#f5f1ea;
  color:var(--ink);
}

.author-image{
  margin:0;
}

.author-image img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.author-copy{
  padding:78px 5vw;
}

.author-copy h2{
  font-size:clamp(36px,4vw,58px);
  line-height:1.03;
  margin:0 0 22px;
}

.author-copy p{
  font-size:19px;
  max-width:800px;
  color:#40382f;
}

/* =========================
   COMPRA
========================= */

.buy-section{
  display:grid;
  grid-template-columns:1fr auto;
  gap:40px;
  align-items:center;
  padding:70px 5vw;
  background:#080807;
  border-top:1px solid var(--line);
  color:var(--text);
}

.buy-copy h2{
  font-size:clamp(34px,4vw,58px);
  line-height:1.05;
  margin:0 0 26px;
  text-transform:uppercase;
}

.buy-cover{
  width:120px;
  height:auto;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}

/* =========================
   FOOTER
========================= */

.footer{
  background:#050505;
  color:#9d9281;
  text-align:center;
  padding:34px 5vw;
  font-family:Arial,sans-serif;
  font-size:13px;
}

.footer a{
  text-decoration:underline;
  text-underline-offset:4px;
  color:#d8ccb7;
}

/* =========================
   ANIMACIONES
========================= */

.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s ease, transform .7s ease;
}

.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

.delay-1{
  transition-delay:.12s;
}

.delay-2{
  transition-delay:.22s;
}

.delay-3{
  transition-delay:.32s;
}

/* =========================
   RESPONSIVE
========================= */

@media(max-width:1080px){

  .nav-links{
    gap:14px;
    font-size:11px;
  }

  .cards-grid{
    grid-template-columns:repeat(3,1fr);
  }

  .mini-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .steps-line{
    grid-template-columns:repeat(3,1fr);
  }

  .steps-line::before{
    display:none;
  }

}

@media(max-width:860px){

  .menu-toggle{
    display:block;
  }

  .nav-links{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#070707;
    display:none;
    flex-direction:column;
    align-items:flex-start;
    padding:18px 5vw;
    border-top:1px solid var(--line);
  }

  .nav-links.open{
    display:flex;
  }

  .hero,
  .problem-section,
  .journey-section,
  .ethic-section,
  .author-section,
  .buy-section{
    grid-template-columns:1fr;
  }

  .hero{
    padding:10vw 5vw 12vw;
  }

  .hero-cover{
    order:-1;
    margin-top:34px;
  }

  .hero-cover img{
    width:min(620px, 96vw);
    max-height:58vh;
    transform:none;
  }

  .hero-cover img:hover{
    transform:translateY(-4px);
  }

  .hero h1{
    font-size:52px;
  }

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

  .value-card{
    border-right:0;
    border-bottom:1px solid rgba(255,255,255,.12);
  }

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

  .ethic-image{
    min-height:280px;
  }

  .buy-cover{
    width:92px;
  }

}

@media(max-width:620px){

  .section,
  .values-section,
  .steps-section{
    padding:68px 5vw;
  }

  .hero{
    padding:10vw 5vw 12vw;
  }

  .hero-actions{
    flex-direction:column;
  }

  .btn{
    width:100%;
  }

  .hero h1{
    font-size:44px;
  }

  .problem-copy,
  .journey-copy,
  .ethic-copy,
  .author-copy{
    padding:56px 5vw;
  }

  .cards-grid,
  .steps-line,
  .mini-grid{
    grid-template-columns:1fr;
  }

  .lead{
    font-size:17px;
  }

  .hero-cover img{
    width:96vw;
    max-height:54vh;
  }

}