/* ═══════════════════════════════════════════════
   César Soriano — Landing personal
   Estética "Tinta y arena": ejecutiva, sobria, editorial
   ═══════════════════════════════════════════════ */
:root{
  --arena:#F7F5F2;        /* fondo blanco hueso cálido */
  --arena-2:#EFEBE5;      /* fondo alterno */
  --tinta:#1A1A1A;        /* texto principal */
  --tinta-2:#3D3A36;      /* texto secundario */
  --petroleo:#1F4E5F;     /* acento — azul petróleo ejecutivo */
  --petroleo-cl:#2C6B80;  /* acento claro */
  --piedra:#8A857E;       /* gris secundario */
  --linea:#E2DDD6;        /* líneas finas */
  --noche:#16201F;        /* sección oscura */
  --fd:'Fraunces',serif;  /* display editorial */
  --fb:'Inter',sans-serif;/* cuerpo */
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;color-scheme:light only;-webkit-text-size-adjust:100%}
body{font-family:var(--fb);background:var(--arena);color:var(--tinta);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 48px}

/* ── NAV ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:900;padding:22px 0;transition:padding .4s var(--ease),background .4s,box-shadow .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.scrolled{padding:14px 0;background:rgba(247,245,242,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:var(--linea)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between}
.logo{font-family:var(--fd);font-size:21px;font-weight:600;letter-spacing:-.4px;color:var(--tinta)}
.nav-links{display:flex;gap:34px;list-style:none}
.nav-links a{font-size:14px;font-weight:500;color:var(--tinta-2);transition:color .2s;position:relative}
.nav-links a::after{content:'';position:absolute;left:0;bottom:-4px;width:0;height:1.5px;background:var(--petroleo);transition:width .3s var(--ease)}
.nav-links a:hover{color:var(--tinta)}
.nav-links a:hover::after{width:100%}
.nav-cta{font-size:13px;font-weight:600;color:#fff;background:var(--petroleo);padding:11px 22px;border-radius:2px;transition:background .25s,transform .15s}
.nav-cta:hover{background:var(--petroleo-cl);transform:translateY(-1px)}
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:none;border:none;cursor:pointer;z-index:1002}
.nav-burger span{display:block;width:24px;height:2px;background:var(--tinta);border-radius:2px;transition:transform .3s,opacity .3s;margin:0 auto}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-overlay{position:fixed;inset:0;background:rgba(22,32,31,.5);opacity:0;visibility:hidden;transition:opacity .3s;z-index:998}
.nav-overlay.open{opacity:1;visibility:visible}

/* ── HERO ── */
.hero{padding:150px 0 0;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;padding-bottom:80px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:500;letter-spacing:.5px;color:var(--petroleo);margin-bottom:28px}
.hero-eyebrow::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--petroleo);box-shadow:0 0 0 4px rgba(31,78,95,.15)}
.hero-name{font-family:var(--fd);font-size:clamp(56px,9vw,108px);font-weight:600;line-height:.92;letter-spacing:-2.5px;color:var(--tinta)}
.hero-roles{display:flex;align-items:center;gap:16px;margin:26px 0 28px;flex-wrap:wrap}
.hero-roles span{font-family:var(--fd);font-size:clamp(16px,2vw,20px);font-style:italic;font-weight:400;color:var(--tinta-2)}
.hero-roles i{width:5px;height:5px;border-radius:50%;background:var(--petroleo)}
.hero-bio{font-size:17px;line-height:1.7;color:var(--tinta-2);max-width:52ch;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.btn-primary{font-size:15px;font-weight:600;color:#fff;background:var(--tinta);padding:16px 32px;border-radius:2px;transition:background .25s,transform .15s}
.btn-primary:hover{background:var(--petroleo);transform:translateY(-2px)}
.btn-ghost{font-size:15px;font-weight:600;color:var(--tinta);padding:16px 8px;transition:color .2s}
.btn-ghost:hover{color:var(--petroleo)}

.hero-portrait{position:relative}
.portrait-ph{aspect-ratio:4/5;background:linear-gradient(160deg,var(--arena-2),#E4DED6);border:1px solid var(--linea);border-radius:3px;display:flex;align-items:center;justify-content:center;color:var(--piedra);font-size:13px;letter-spacing:2px;text-align:center;font-weight:500}
.hero-portrait img{aspect-ratio:4/5;object-fit:cover;border-radius:3px;width:100%}
.portrait-badge{position:absolute;bottom:-22px;left:-22px;background:var(--petroleo);color:#fff;padding:20px 24px;border-radius:3px;display:flex;align-items:baseline;gap:10px;box-shadow:0 20px 50px rgba(31,78,95,.3)}
.portrait-badge strong{font-family:var(--fd);font-size:42px;font-weight:600;line-height:1}
.portrait-badge span{font-size:12px;line-height:1.3;opacity:.85}

/* ── HERO MARQUEE ── */
.hero-marquee{border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);padding:20px 0;overflow:hidden;white-space:nowrap}
.marquee-track{display:inline-flex;align-items:center;gap:22px;animation:marquee 38s linear infinite}
.marquee-track span{font-family:var(--fd);font-size:24px;font-style:italic;color:var(--tinta);opacity:.7}
.marquee-track i{color:var(--petroleo);font-style:normal}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── SECTIONS ── */
.section{padding:110px 0}
.section-alt{background:var(--arena-2)}
.section-dark{background:var(--noche);color:var(--arena)}
.sec-index{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.sec-index .idx{font-family:var(--fd);font-size:15px;font-weight:600;color:var(--petroleo)}
.sec-index .idx-label{font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--piedra)}
.sec-index.light .idx{color:#7FC4D6}
.sec-index.light .idx-label{color:rgba(247,245,242,.5)}
.section-title{font-family:var(--fd);font-size:clamp(30px,4.2vw,52px);font-weight:600;line-height:1.08;letter-spacing:-1.2px;color:var(--tinta);max-width:18ch}
.section-title em{font-style:italic;font-weight:400;color:var(--petroleo)}
.section-title.light{color:var(--arena)}
.section-title.light em{color:#7FC4D6}
.lead{font-size:18px;line-height:1.7;color:var(--tinta-2);max-width:60ch;margin-top:22px}
.lead.light{color:rgba(247,245,242,.7)}

/* ── PERFIL ── */
.perfil-grid{display:grid;grid-template-columns:200px 1fr;gap:40px}
.perfil-body .section-title{margin-bottom:28px}
.perfil-body p{font-size:16.5px;line-height:1.8;color:var(--tinta-2);margin-bottom:18px;max-width:64ch}

/* ── EXPERTISE ── */
.exp-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:54px;border-top:1px solid var(--linea);border-left:1px solid var(--linea)}
.exp-card{padding:42px 40px;border-right:1px solid var(--linea);border-bottom:1px solid var(--linea);background:transparent;transition:background .3s}
.exp-card:hover{background:var(--arena)}
.section-alt .exp-card:hover{background:#fff}
.exp-num{font-family:var(--fd);font-size:14px;font-weight:600;color:var(--petroleo);margin-bottom:18px}
.exp-card h3{font-family:var(--fd);font-size:24px;font-weight:600;letter-spacing:-.5px;color:var(--tinta);margin-bottom:12px}
.exp-card p{font-size:15px;line-height:1.7;color:var(--tinta-2)}

/* ── TRAYECTORIA ── */
.tray-list{margin-top:54px;border-top:1px solid var(--linea)}
.tray-item{display:grid;grid-template-columns:160px 1fr;gap:30px;padding:32px 0;border-bottom:1px solid var(--linea);align-items:baseline}
.tray-year{font-family:var(--fd);font-size:16px;font-weight:600;color:var(--petroleo)}
.tray-content h3{font-family:var(--fd);font-size:21px;font-weight:600;letter-spacing:-.4px;color:var(--tinta);margin-bottom:8px}
.tray-content p{font-size:15.5px;line-height:1.7;color:var(--tinta-2);max-width:62ch}

/* ── MARCAS ── */
.marcas-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:48px}
.marca-card{background:rgba(247,245,242,.04);border:1px solid rgba(247,245,242,.12);border-radius:3px;padding:34px 32px;transition:background .3s,transform .3s var(--ease),border-color .3s}
.marca-card:hover{background:rgba(247,245,242,.07);transform:translateY(-4px);border-color:rgba(127,196,214,.4)}
.marca-card h3{font-family:var(--fd);font-size:23px;font-weight:600;letter-spacing:-.4px;color:var(--arena);margin-bottom:8px}
.marca-card p{font-size:14.5px;line-height:1.6;color:rgba(247,245,242,.6);margin-bottom:20px}
.marca-link{font-size:13px;font-weight:600;letter-spacing:.5px;color:#7FC4D6}

/* ── CONTACTO ── */
.contacto-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contacto-info .section-title{margin-bottom:24px}
.contacto-datos{margin-top:40px;display:flex;flex-direction:column;gap:22px}
.dato{display:flex;flex-direction:column;gap:4px;padding-bottom:18px;border-bottom:1px solid var(--linea)}
.dato-label{font-size:11px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--piedra)}
.dato a,.dato span:not(.dato-label){font-size:16px;color:var(--tinta);font-weight:500;transition:color .2s}
.dato a:hover{color:var(--petroleo)}
.redes-row{display:flex;gap:18px;flex-wrap:wrap}
.redes-row a{font-size:15px;font-weight:600;color:var(--petroleo)}
.redes-row a:hover{color:var(--tinta)}
.contacto-form{background:#fff;border:1px solid var(--linea);border-radius:3px;padding:40px 36px}
.fgrp{margin-bottom:18px}
.flbl{display:block;font-size:12.5px;font-weight:600;color:var(--tinta);margin-bottom:7px}
.finp,.ftxt{width:100%;font-family:var(--fb);font-size:14.5px;color:var(--tinta);background:var(--arena);border:1px solid var(--linea);border-radius:2px;padding:13px 15px;outline:none;transition:border-color .2s,box-shadow .2s}
.finp:focus,.ftxt:focus{border-color:var(--petroleo);box-shadow:0 0 0 3px rgba(31,78,95,.1)}
.finp::placeholder,.ftxt::placeholder{color:var(--piedra)}
.ftxt{resize:vertical;min-height:110px}
.fsub{width:100%;padding:16px;background:var(--tinta);color:#fff;font-family:var(--fb);font-size:15px;font-weight:600;border:none;border-radius:2px;cursor:pointer;transition:background .25s,transform .15s}
.fsub:hover{background:var(--petroleo);transform:translateY(-2px)}
.fsub:disabled{opacity:.7;cursor:not-allowed;transform:none}
.rcnote{font-size:11.5px;color:var(--piedra);text-align:center;margin-top:14px;line-height:1.5}
.form-ok{text-align:center;padding:40px 10px}
.ok-ic{width:60px;height:60px;border-radius:50%;background:rgba(31,78,95,.1);color:var(--petroleo);display:flex;align-items:center;justify-content:center;font-size:30px;margin:0 auto 18px}
.form-ok h3{font-family:var(--fd);font-size:23px;font-weight:600;color:var(--tinta);margin-bottom:10px}
.form-ok p{font-size:15px;color:var(--tinta-2)}

/* ── FOOTER ── */
.footer{background:var(--noche);color:var(--arena);padding:48px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-name{font-family:var(--fd);font-size:24px;font-weight:600;letter-spacing:-.4px}
.footer-social{display:flex;gap:22px}
.footer-social a{font-size:14px;font-weight:500;color:rgba(247,245,242,.7);transition:color .2s}
.footer-social a:hover{color:#7FC4D6}
.footer-meta{display:flex;flex-direction:column;gap:4px;text-align:right;font-size:13px;color:rgba(247,245,242,.5)}

/* ── WhatsApp ── */
.wsp{position:fixed;bottom:26px;right:26px;z-index:80;width:54px;height:54px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(37,211,102,.4);transition:transform .2s}
.wsp:hover{transform:scale(1.08)}

/* ── REVEAL ── */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.vis{opacity:1;transform:none}

/* ── RESPONSIVE ── */
@media(max-width:900px){
  .nav-burger{display:flex}
  .nav-cta{display:none}
  .nav-links{position:fixed;top:0;right:-100%;width:80%;max-width:330px;height:100vh;flex-direction:column;align-items:flex-start;gap:0;background:var(--arena);padding:96px 32px 40px;transition:right .35s var(--ease);z-index:1000;box-shadow:-20px 0 60px rgba(22,32,31,.18)}
  .nav-links.open{right:0}
  .nav-links li{width:100%;border-bottom:1px solid var(--linea)}
  .nav-links a{display:block;padding:18px 0;font-size:17px;width:100%;color:var(--tinta)}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-portrait{max-width:380px}
  .perfil-grid{grid-template-columns:1fr;gap:20px}
  .exp-grid{grid-template-columns:1fr}
  .contacto-grid{grid-template-columns:1fr;gap:44px}
  .marcas-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .wrap{padding:0 24px}
  .hero{padding:120px 0 0}
  .hero-name{letter-spacing:-1.5px}
  .section{padding:72px 0}
  .tray-item{grid-template-columns:1fr;gap:8px}
  .exp-card{padding:32px 26px}
  .contacto-form{padding:30px 22px}
  .marquee-track span{font-size:19px}
  .footer-inner{flex-direction:column;text-align:center}
  .footer-meta{text-align:center}
  .portrait-badge{left:auto;right:-10px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.marquee-track{animation:none!important}}