:root{
  --white:#fff; --off:#f8f7f5; --light:#f0eeeb; --lmid:#e5e3df; --plat:#e8e6e2;
  --slite:#d5d3cf; --silver:#b8b5b0; --gray:#8a8784; --tmut:#9a9896;
  --tsec:#5a5856; --near:#1a1918; --black:#0d0c0b;
  --gold-soft:#c9a961;
  --shsm:0 2px 12px rgba(0,0,0,.06);
  --shmd:0 8px 32px rgba(0,0,0,.10);
  --shlg:0 20px 60px rgba(0,0,0,.16);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Inter','Helvetica Neue',Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --max:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-family:var(--sans);font-size:17px;line-height:1.65;color:var(--black);background:var(--off);overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 32px}
.eyebrow{font-family:var(--sans);font-size:11px;font-weight:600;letter-spacing:.36em;text-transform:uppercase;color:var(--tsec)}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;line-height:1.1}
h1{font-size:clamp(58px,8vw,140px);letter-spacing:.04em}
h2{font-size:clamp(38px,4.6vw,64px);line-height:1.1}
h3{font-size:clamp(22px,2.4vw,32px);line-height:1.22}
p{color:var(--near)}

/* ==== HEADER ==== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .35s var(--ease), border-color .35s var(--ease);
  background:transparent;border-bottom:1px solid transparent;
}
.site-header.scrolled{background:rgba(13,12,11,.78);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom-color:rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:var(--max);margin:0 auto;padding:0 32px}
.nav-link{font-size:12px;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:rgba(255,255,255,.85);transition:color .2s var(--ease)}
.nav-link:hover{color:#fff}
.nav-left,.nav-right{display:none;gap:38px}
@media(min-width:900px){.nav-left,.nav-right{display:flex}}
.nav-brand{display:flex;align-items:center;gap:12px;opacity:0;transition:opacity .35s var(--ease)}
.nav-brand img{height:30px;width:auto;filter:invert(1) brightness(1.05)}
.nav-brand .brand-text{font-family:var(--serif);font-size:17px;font-weight:500;letter-spacing:.30em;color:#fff;text-transform:uppercase}
.site-header.scrolled .nav-brand{opacity:1}

/* Mobile menu trigger */
.menu-btn{display:flex;flex-direction:column;gap:5px;background:transparent;border:0;cursor:pointer;padding:8px}
@media(min-width:900px){.menu-btn{display:none}}
.menu-btn span{display:block;width:22px;height:1.2px;background:#fff;transition:transform .25s var(--ease), opacity .25s var(--ease)}
.menu-open .menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-open .menu-btn span:nth-child(2){opacity:0}
.menu-open .menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* Mobile menu panel */
.mob-menu{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(13,12,11,.96);backdrop-filter:blur(20px);z-index:55;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:32px;opacity:0;pointer-events:none;transition:opacity .35s var(--ease)}
.menu-open .mob-menu{opacity:1;pointer-events:auto}
.mob-menu a{font-family:var(--serif);font-size:32px;color:#fff;letter-spacing:.04em}

/* ==== HERO ==== */
.hero{
  position:relative;height:100vh;min-height:640px;overflow:hidden;
  display:flex;align-items:flex-end;justify-content:center;
  background:#0d0c0b;padding-bottom:80px;
}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 28%}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,12,11,.35) 0%,transparent 30%,rgba(13,12,11,.20) 55%,rgba(13,12,11,.78) 100%);pointer-events:none}
.hero-wordmark{position:relative;z-index:2;color:#fff;text-align:center;padding:0 24px;width:100%;max-width:1500px}
.hero-eyebrow{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.5em;text-transform:uppercase;color:rgba(255,255,255,.85);margin-bottom:18px;padding-bottom:12px;position:relative}
.hero-eyebrow::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:32px;height:1px;background:rgba(255,255,255,.6)}
.hero-name{font-family:var(--serif);font-weight:300;font-size:clamp(34px,7vw,108px);line-height:1;letter-spacing:.10em;color:#fff;text-transform:uppercase}
.hero-tagline{margin-top:18px;font-size:12px;font-weight:500;letter-spacing:.36em;text-transform:uppercase;color:rgba(255,255,255,.7)}

/* ==== SECTIONS ==== */
section{position:relative}
.dark{background:var(--black);color:var(--white)}
.dark p{color:rgba(255,255,255,.78)}
.dark .eyebrow{color:var(--silver)}
.section-pad{padding:120px 0}
@media(max-width:700px){.section-pad{padding:80px 0}}

.section-head{max-width:780px;margin:0 auto 64px;text-align:center}
.section-head .eyebrow{margin-bottom:16px;display:inline-block}
.section-head h2{margin-bottom:18px}
.section-head p{color:var(--tsec);font-size:17px;max-width:620px;margin:0 auto}
.dark .section-head p{color:rgba(255,255,255,.7)}

/* ==== SOBRE DAVID ==== */
.bio{background:var(--white)}
.bio-grid{display:grid;grid-template-columns:1fr;gap:48px;align-items:center}
@media(min-width:900px){.bio-grid{grid-template-columns:.85fr 1.15fr;gap:80px}}
.bio-photo{position:relative;border-radius:10px;overflow:hidden;box-shadow:var(--shlg);aspect-ratio:4/5;background:var(--black)}
.bio-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(40%) contrast(1.05)}
.bio-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(13,12,11,.18));pointer-events:none}
.bio h2{margin-bottom:24px;font-size:clamp(36px,4.2vw,58px);line-height:1.08}
.bio h2 em{font-style:italic;color:var(--tsec);font-weight:300}
.bio-text p{color:var(--tsec);font-size:17px;line-height:1.75;margin-bottom:18px}
.bio-text p strong{color:var(--black);font-weight:600}
.bio-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin:36px 0;padding:32px 0;border-top:1px solid var(--lmid);border-bottom:1px solid var(--lmid)}
.bio-stat .num{font-family:var(--serif);font-size:clamp(38px,4vw,52px);line-height:1;color:var(--black)}
.bio-stat .lbl{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--tsec);margin-top:8px}
.bio-quote{font-family:var(--serif);font-style:italic;font-size:clamp(20px,2.2vw,26px);line-height:1.45;color:var(--tsec);padding-left:24px;border-left:2px solid var(--silver);margin-top:28px}

/* ==== INICIOS ==== */
.inicios{background:var(--near)}
.inicios .section-head h2{color:#fff}
.inicios .section-head p{color:rgba(255,255,255,.72)}
.inicios-grid{display:grid;grid-template-columns:1fr;gap:32px;margin-top:48px}
@media(min-width:760px){.inicios-grid{grid-template-columns:repeat(3,1fr)}}
.hito{padding:36px 30px;border:1px solid rgba(255,255,255,.08);border-radius:14px;background:rgba(255,255,255,.025);transition:transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease)}
.hito:hover{transform:translateY(-4px);background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.18)}
.hito-year{font-family:var(--serif);font-style:italic;font-size:14px;color:var(--silver);letter-spacing:.06em;margin-bottom:14px;display:block}
.hito h3{color:#fff;margin-bottom:12px;font-size:24px;letter-spacing:-.01em}
.hito p{color:rgba(255,255,255,.7);font-size:14.5px;line-height:1.65}

/* ==== EMPRESAS ==== */
.empresas{background:var(--off)}
.empresas-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:48px}
@media(min-width:680px){.empresas-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.empresas-grid{grid-template-columns:repeat(3,1fr);gap:28px}}
.empresa{
  background:var(--black);
  color:#fff;
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px;padding:36px 32px;
  display:flex;flex-direction:column;gap:18px;
  position:relative;overflow:hidden;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.empresa::before{content:"";position:absolute;top:-30%;right:-20%;width:60%;height:120%;background:radial-gradient(ellipse,rgba(255,255,255,.04) 0%,transparent 70%);pointer-events:none;transition:opacity .3s var(--ease)}
.empresa:hover{transform:translateY(-6px);box-shadow:0 24px 60px rgba(13,12,11,.40);border-color:rgba(255,255,255,.22)}
.empresa-logo{height:60px;display:flex;align-items:center}
.empresa-logo img{max-height:60px;width:auto;max-width:260px;object-fit:contain;opacity:.95;transition:opacity .3s var(--ease)}
.empresa:hover .empresa-logo img{opacity:1}
.empresa-meta{display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.empresa-meta::before{content:"";width:18px;height:1px;background:rgba(255,255,255,.45)}
.empresa h3{font-size:24px;color:#fff;letter-spacing:-.01em;font-family:var(--serif);font-weight:500}
.empresa p{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.65}
.empresa-tag{display:inline-flex;align-items:center;gap:8px;font-size:10.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.75);padding:7px 14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:999px;width:fit-content;margin-top:4px}
.empresa-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--gold-soft)}
.empresa-link{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.75);padding-top:18px;border-top:1px solid rgba(255,255,255,.08);transition:color .25s var(--ease), gap .25s var(--ease)}
.empresa-link:hover{color:#fff;gap:14px}
.empresa-davidexito .empresa-logo{height:74px}
.empresa-davidexito .empresa-logo img{max-height:74px;max-width:320px}

/* ==== LEGADO ==== */
.legado{background:var(--black);color:#fff;overflow:hidden;position:relative}
.legado::before{content:"";position:absolute;top:-30%;right:-15%;width:60%;height:120%;background:radial-gradient(ellipse,rgba(201,169,97,.06) 0%,transparent 65%);pointer-events:none}
.legado-grid{display:grid;grid-template-columns:1fr;gap:56px;align-items:center;position:relative;z-index:1}
@media(min-width:900px){.legado-grid{grid-template-columns:1.05fr .95fr;gap:80px}}
.legado-image{position:relative;display:flex;align-items:center;justify-content:center}
.legado-image picture, .legado-image img{width:100%;max-width:540px;height:auto;display:block;filter:drop-shadow(0 24px 48px rgba(0,0,0,.55))}
.legado .eyebrow{color:var(--gold-soft);margin-bottom:16px;display:inline-block}
.legado h2{color:#fff;margin-bottom:20px;font-size:clamp(36px,4.2vw,58px);line-height:1.08}
.legado h2 em{font-style:italic;color:var(--gold-soft);font-weight:300}
.legado-text p{color:rgba(255,255,255,.78);font-size:16px;line-height:1.75;margin-bottom:16px}
.legado-text p strong{color:#fff;font-weight:600}
.legado-quote{margin-top:32px;padding:24px 28px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:12px;font-family:var(--serif);font-style:italic;font-size:18px;color:rgba(255,255,255,.82);line-height:1.5}
.legado-cta{margin-top:32px;display:inline-flex;align-items:center;gap:10px;color:var(--gold-soft);font-size:12px;font-weight:600;letter-spacing:.28em;text-transform:uppercase;padding-bottom:6px;border-bottom:1px solid var(--gold-soft);transition:gap .25s var(--ease)}
.legado-cta:hover{gap:18px}

/* ==== CONTACTO ==== */
.contacto{background:var(--white);text-align:center}
.contacto .container{max-width:720px}
.contacto h2{margin-bottom:18px;font-size:clamp(36px,4.2vw,58px)}
.contacto h2 em{font-style:italic;color:var(--tsec);font-weight:300}
.contacto p{color:var(--tsec);font-size:17px;margin-bottom:36px}
.contacto-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:16px 32px;font-family:var(--sans);font-size:12.5px;font-weight:600;letter-spacing:.18em;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease);text-transform:uppercase}
.btn-primary{background:var(--black);color:#fff}
.btn-primary:hover{background:var(--near);transform:translateY(-1px);box-shadow:var(--shmd)}
.btn-ghost{background:transparent;color:var(--black);border-color:var(--black)}
.btn-ghost:hover{background:var(--black);color:#fff}
.contacto-meta{margin-top:42px;display:flex;justify-content:center;align-items:center;gap:24px;font-size:12px;color:var(--silver);letter-spacing:.06em}
.contacto-meta a{color:var(--tsec)}
.contacto-meta a:hover{color:var(--black)}
.contacto-meta .sep{width:24px;height:1px;background:var(--silver)}

/* ==== FOOTER ==== */
footer.foot{background:var(--black);color:rgba(255,255,255,.6);padding:56px 32px 32px;text-align:center}
.foot-brand{display:inline-flex;align-items:center;gap:12px;margin-bottom:20px}
.foot-brand img{height:42px;width:auto;opacity:.85}
.foot-brand span{font-family:var(--serif);font-size:19px;letter-spacing:.18em;color:#fff;text-transform:uppercase}
.foot p{color:rgba(255,255,255,.55);font-size:14px;max-width:520px;margin:0 auto 22px;line-height:1.65}
.foot .links{display:flex;flex-wrap:wrap;justify-content:center;gap:28px;font-size:11px;color:rgba(255,255,255,.55);margin:24px 0 14px;letter-spacing:.18em;text-transform:uppercase}
.foot .links a:hover{color:#fff}
.foot .copy{margin-top:18px;font-size:11px;color:rgba(255,255,255,.4);letter-spacing:.06em}

/* ==== MODAL — Formulario contacto ==== */
.modal-overlay{
  position:fixed;inset:0;z-index:100;
  background:rgba(13,12,11,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;align-items:center;justify-content:center;
  padding:24px;opacity:0;pointer-events:none;transition:opacity .35s var(--ease)
}
.modal-overlay.open{opacity:1;pointer-events:auto}
.modal{
  background:var(--white);width:100%;max-width:620px;
  border-radius:18px;overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
  transform:translateY(20px) scale(.98);opacity:0;
  transition:transform .35s var(--ease), opacity .35s var(--ease);
  max-height:92vh;overflow-y:auto;
}
.modal-overlay.open .modal{transform:translateY(0) scale(1);opacity:1}
.modal-head{padding:32px 36px 18px;border-bottom:1px solid var(--lmid);display:flex;justify-content:space-between;align-items:flex-start;gap:24px}
.modal-head-text{flex:1}
.modal-head .eyebrow{display:block;margin-bottom:8px}
.modal-head h3{font-family:var(--serif);font-size:28px;color:var(--black);font-weight:500;letter-spacing:-.01em;margin-bottom:6px;line-height:1.2}
.modal-head p{font-size:14px;color:var(--tsec);line-height:1.55}
.modal-close{flex-shrink:0;background:transparent;border:1px solid var(--lmid);border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--tsec);font-size:14px;transition:all .2s var(--ease)}
.modal-close:hover{background:var(--black);color:#fff;border-color:var(--black)}
.modal-body{padding:28px 36px 32px}
.field-row{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:16px}
@media(min-width:520px){.field-row.two{grid-template-columns:1fr 1fr}}
.field-group{display:flex;flex-direction:column;gap:6px}
.field-group label{font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--tsec)}
.field-group label .req{color:#c0392b;margin-left:3px}
.field-group input, .field-group textarea{
  font-family:var(--sans);font-size:15px;color:var(--black);
  background:var(--white);border:1px solid var(--lmid);
  border-radius:10px;padding:13px 16px;outline:none;
  transition:border-color .2s var(--ease), background .2s var(--ease);
  resize:vertical;line-height:1.5;width:100%;
}
.field-group input:hover, .field-group textarea:hover{border-color:var(--silver)}
.field-group input:focus, .field-group textarea:focus{border-color:var(--black);background:var(--off)}
.field-group textarea{min-height:80px}
.field-group .err{font-size:12px;color:#c0392b;display:none;margin-top:2px}
.field-group.invalid .err{display:block}
.field-group.invalid input, .field-group.invalid textarea{border-color:#c0392b}

/* intl-tel-input overrides */
.field-group .iti{width:100%}
.field-group .iti input{width:100%}
.field-group.invalid .iti input{border-color:#c0392b}

.modal-foot{padding:0 36px 32px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.modal-legal{font-size:11px;color:var(--silver);line-height:1.5;flex:1;min-width:200px}
.modal-submit{
  font-family:var(--sans);font-size:12.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  padding:15px 28px;border-radius:999px;border:0;
  background:var(--black);color:#fff;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
  transition:background .25s var(--ease), transform .25s var(--ease)
}
.modal-submit:hover{background:var(--near);transform:translateY(-1px)}
.modal-submit:disabled{opacity:.5;cursor:not-allowed;transform:none}

.modal-success,.modal-error{display:none;padding:48px 36px;text-align:center}
.modal-success.show,.modal-error.show{display:block}
.modal-success .check{width:72px;height:72px;border-radius:50%;background:var(--black);color:#fff;font-size:34px;display:flex;align-items:center;justify-content:center;margin:0 auto 22px;font-weight:700}
.modal-error .cross{width:72px;height:72px;border-radius:50%;background:#c0392b;color:#fff;font-size:34px;display:flex;align-items:center;justify-content:center;margin:0 auto 22px;font-weight:700}
.modal-success h3,.modal-error h3{font-family:var(--serif);font-size:30px;color:var(--black);font-weight:500;margin-bottom:12px;letter-spacing:-.01em}
.modal-success p,.modal-error p{color:var(--tsec);font-size:15px;line-height:1.65;max-width:420px;margin:0 auto 24px}
.modal-success .close-final,.modal-error .retry-btn,.modal-error .close-final{font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--black);border-bottom:1px solid var(--black);padding-bottom:4px;cursor:pointer;background:transparent;border-left:0;border-right:0;border-top:0;font-family:var(--sans)}
.modal-error .retry-btn{margin-right:20px}

@media(max-width:520px){
  .modal-head, .modal-body, .modal-foot{padding-left:24px;padding-right:24px}
  .modal-head h3{font-size:24px}
}

/* ==== Reveal on scroll ==== */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.fade-up.in{opacity:1;transform:translateY(0)}