/* ============================================================
   MAB · Consultoría & Gestión Empresarial
   Sistema de diseño — navy profundo + oro señorial
   ============================================================ */

:root{
  /* Color */
  --navy-abyss:#061527;
  --navy:#0B2038;
  --navy-2:#0E2A47;
  --navy-card:#12304F;
  --gold:#C99A3F;
  --gold-deep:#C38F39;
  --gold-light:#E3C06C;
  --cream:#F7F4ED;
  --paper:#FBFAF6;
  --ink:#0E1B29;
  --ink-soft:#42566A;
  --mist:#8AA0B8;
  --mist-2:#B7C6D6;
  --line-gold:rgba(201,154,63,.30);
  --line-dark:rgba(14,27,41,.12);

  --grad-gold:linear-gradient(135deg,#C38F39 0%,#E3C06C 52%,#C99A3F 100%);
  --grad-navy:linear-gradient(160deg,#0E2A47 0%,#0B2038 55%,#061527 100%);

  /* Type */
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;

  /* Rhythm */
  --wrap:1200px;
  --gutter:clamp(20px,5vw,64px);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 24px 60px -28px rgba(6,21,39,.55);
  --shadow-soft:0 18px 44px -30px rgba(6,21,39,.4);
  --ease:cubic-bezier(.22,1,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  font-size:clamp(16px,1.05vw,17px);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
:focus-visible{outline:2px solid var(--gold-light);outline-offset:3px;border-radius:4px}
::selection{background:var(--gold);color:var(--navy)}

/* ---------- Helpers ---------- */
.wrap{width:min(var(--wrap),100% - var(--gutter)*2);margin-inline:auto}
.section{padding:clamp(72px,10vw,128px) 0}
.eyebrow{
  font-family:var(--sans);font-weight:700;font-size:.72rem;
  letter-spacing:.32em;text-transform:uppercase;color:var(--gold-deep);
  display:inline-flex;align-items:center;gap:.7em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}
.on-dark .eyebrow{color:var(--gold-light)}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.08;letter-spacing:-.015em}
.h-lead{font-size:clamp(2rem,4.4vw,3.4rem)}
.gold-text{color:var(--gold-deep)}
.on-dark .gold-text{color:var(--gold-light)}
.lede{font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--ink-soft);max-width:60ch}
.on-dark{color:var(--cream)}
.on-dark .lede{color:var(--mist-2)}

/* Signature divider: gold rule + center node (from the logo baseline) */
.node-rule{display:flex;align-items:center;justify-content:center;gap:0;margin:clamp(20px,4vw,34px) 0}
.node-rule i{height:1px;flex:1;max-width:120px;background:linear-gradient(90deg,transparent,var(--gold))}
.node-rule i:last-child{background:linear-gradient(90deg,var(--gold),transparent)}
.node-rule span{width:9px;height:9px;margin:0 12px;transform:rotate(45deg);
  background:var(--grad-gold);box-shadow:0 0 0 4px rgba(201,154,63,.14)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;justify-content:center;
  font-weight:700;font-size:.94rem;letter-spacing:.01em;
  padding:.92em 1.6em;border-radius:100px;transition:.35s var(--ease);
  will-change:transform;white-space:nowrap;
}
.btn svg{width:1.15em;height:1.15em;flex:none}
.btn-gold{background:var(--grad-gold);color:var(--navy);box-shadow:0 14px 30px -14px rgba(201,154,63,.7)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 20px 38px -14px rgba(201,154,63,.85)}
.btn-ghost{color:var(--cream);border:1px solid rgba(227,192,108,.5)}
.btn-ghost:hover{background:rgba(227,192,108,.12);border-color:var(--gold-light);transform:translateY(-3px)}
.btn-outline-ink{color:var(--navy);border:1px solid var(--line-dark)}
.btn-outline-ink:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-3px)}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background .4s var(--ease),box-shadow .4s var(--ease),padding .4s var(--ease);
  padding:18px 0;
}
.site-header.scrolled{
  background:rgba(9,26,45,.9);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(201,154,63,.18),0 18px 40px -30px rgba(0,0,0,.6);
  padding:10px 0;
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center}
.brand img{height:46px;transition:height .4s var(--ease)}
.scrolled .brand img{height:40px}
.nav-links{display:flex;align-items:center;gap:clamp(18px,2.4vw,36px)}
.nav-links a{
  color:var(--cream);font-weight:600;font-size:.92rem;position:relative;padding:6px 0;
  opacity:.9;transition:opacity .3s,color .3s;
}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;
  background:var(--grad-gold);transition:width .35s var(--ease)}
.nav-links a:hover{opacity:1}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.burger{display:none;width:44px;height:44px;border-radius:10px;position:relative;
  border:1px solid rgba(227,192,108,.4)}
.burger span{position:absolute;left:11px;width:22px;height:2px;background:var(--gold-light);
  border-radius:2px;transition:.3s var(--ease)}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
body.menu-open .burger span:nth-child(1){top:21px;transform:rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;background:var(--grad-navy);color:var(--cream);
  padding:clamp(140px,20vh,200px) 0 0;overflow:hidden;isolation:isolate;
}
.hero::before{ /* subtle vignette + grain of light */
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(120% 80% at 85% 12%,rgba(201,154,63,.16),transparent 55%),
    radial-gradient(90% 70% at 8% 100%,rgba(18,48,79,.9),transparent 60%);
}
.hero-arc{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none}
.hero-arc path{fill:none;stroke:url(#goldArc);stroke-linecap:round}
.hero-inner{max-width:920px}
.hero h1{font-size:clamp(2.6rem,6.4vw,5.1rem);margin:22px 0 0;font-weight:400}
.hero h1 em{font-style:italic;color:var(--gold-light)}
.hero-sub{margin-top:26px;font-size:clamp(1.05rem,1.7vw,1.28rem);color:var(--mist-2);max-width:56ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px}
.hero-pillars{
  margin-top:clamp(56px,9vw,96px);border-top:1px solid var(--line-gold);
  display:grid;grid-template-columns:repeat(3,1fr);
}
.hero-pillars .pill{padding:26px 8px;text-align:center;position:relative}
.hero-pillars .pill+.pill::before{content:"";position:absolute;left:0;top:26px;bottom:26px;
  width:1px;background:var(--line-gold)}
.hero-pillars .pill svg{width:30px;height:30px;color:var(--gold-light);margin:0 auto 12px}
.hero-pillars .pill b{display:block;font-family:var(--serif);font-size:1.05rem;letter-spacing:.04em}
.hero-pillars .pill small{color:var(--mist);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase}

/* ============================================================
   NOSOTROS
   ============================================================ */
.about{background:var(--paper);position:relative}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,84px);align-items:start}
.about-copy h2{font-size:clamp(1.9rem,3.6vw,2.9rem);margin:18px 0 22px}
.about-copy p{color:var(--ink-soft);max-width:52ch}
.values{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:8px}
.value{
  background:#fff;border:1px solid var(--line-dark);border-radius:var(--radius);
  padding:26px 24px;transition:.4s var(--ease);position:relative;overflow:hidden;
}
.value::after{content:"";position:absolute;left:24px;right:24px;bottom:0;height:2px;
  background:var(--grad-gold);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.value:hover{transform:translateY(-6px);box-shadow:var(--shadow-soft);border-color:var(--line-gold)}
.value:hover::after{transform:scaleX(1)}
.value .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--navy);color:var(--gold-light);margin-bottom:16px}
.value .ic svg{width:26px;height:26px}
.value h3{font-size:1.16rem;margin-bottom:6px}
.value p{font-size:.92rem;color:var(--ink-soft);margin:0}

/* ============================================================
   SERVICIOS
   ============================================================ */
.services{background:var(--grad-navy);color:var(--cream);position:relative;overflow:hidden}
.services::before{content:"";position:absolute;inset:0;
  background:radial-gradient(80% 60% at 100% 0,rgba(201,154,63,.12),transparent 55%);pointer-events:none}
.services-head{max-width:640px;margin-bottom:clamp(40px,6vw,64px)}
.services-head h2{font-size:clamp(1.9rem,3.8vw,3rem);margin:18px 0 16px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:linear-gradient(180deg,rgba(18,48,79,.55),rgba(11,32,56,.4));
  border:1px solid rgba(201,154,63,.16);border-radius:var(--radius);
  padding:34px 30px;position:relative;overflow:hidden;transition:.45s var(--ease);
  backdrop-filter:blur(2px);
}
.card::before{ /* arc sweep */
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad-gold);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.card:hover{transform:translateY(-8px);border-color:rgba(227,192,108,.5);
  background:linear-gradient(180deg,rgba(23,58,94,.7),rgba(11,32,56,.55));box-shadow:var(--shadow)}
.card:hover::before{transform:scaleX(1)}
.card .ic{
  width:60px;height:60px;border-radius:16px;display:grid;place-items:center;margin-bottom:22px;
  background:radial-gradient(120% 120% at 30% 20%,rgba(227,192,108,.22),rgba(201,154,63,.06));
  border:1px solid rgba(227,192,108,.3);color:var(--gold-light);transition:.45s var(--ease);
}
.card:hover .ic{background:var(--grad-gold);color:var(--navy);border-color:transparent}
.card .ic svg{width:30px;height:30px}
.card h3{font-size:1.24rem;margin-bottom:10px;color:#fff}
.card p{font-size:.92rem;color:var(--mist-2);margin:0}
.card.featured{border-color:rgba(227,192,108,.45)}
.card .tag{position:absolute;top:20px;right:20px;font-size:.62rem;letter-spacing:.18em;
  text-transform:uppercase;font-weight:700;color:var(--navy);background:var(--grad-gold);
  padding:4px 10px;border-radius:100px;z-index:2}
.featured-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:clamp(28px,4vw,52px);align-items:center}
.featured-main p{margin-top:0}
.featured-claim{margin-top:16px!important;font-family:var(--serif);font-size:1.15rem;color:#fff;line-height:1.4}
.featured-side{border-left:1px solid rgba(201,154,63,.24);padding-left:clamp(20px,3vw,40px)}
.side-label{display:block;font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;
  font-weight:700;color:var(--gold-light);margin-bottom:16px}
.entity-list{display:grid;gap:11px}
.entity-list li{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--cream);font-size:.96rem}
.entity-list svg{width:22px;height:22px;color:var(--gold-light);flex:none}
@media (max-width:760px){
  .featured-grid{grid-template-columns:1fr;gap:26px}
  .featured-side{border-left:none;border-top:1px solid rgba(201,154,63,.24);padding-left:0;padding-top:24px}
}

/* ============================================================
   POR QUÉ + PROCESO
   ============================================================ */
.why{background:var(--cream)}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(44px,7vw,90px);align-items:start}
.why-copy h2{font-size:clamp(1.9rem,3.6vw,2.9rem);margin:18px 0 14px}
.why-list{margin-top:26px;display:grid;gap:2px}
.why-list li{display:flex;gap:16px;align-items:flex-start;padding:14px 0;
  border-bottom:1px solid var(--line-dark)}
.why-list li:last-child{border-bottom:none}
.why-list .chk{width:26px;height:26px;flex:none;border-radius:50%;display:grid;place-items:center;
  background:var(--navy);color:var(--gold-light);margin-top:2px}
.why-list .chk svg{width:14px;height:14px}
.why-list span{font-weight:600;color:var(--ink)}

.process h3{font-size:1.4rem;margin-bottom:6px}
.process .sub{color:var(--gold-deep);font-weight:600;margin-bottom:26px}
.steps{display:grid;gap:14px}
.step{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--line-dark);
  border-radius:14px;padding:16px 22px;transition:.4s var(--ease);position:relative}
.step:hover{transform:translateX(6px);border-color:var(--line-gold);box-shadow:var(--shadow-soft)}
.step .num{font-family:var(--serif);font-size:2.1rem;line-height:1;color:var(--gold-deep);
  min-width:48px;font-weight:400}
.step b{font-weight:700;color:var(--navy);font-size:1.02rem}
.step .bar{position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad-gold);opacity:0;transition:.4s var(--ease)}
.step:hover .bar{opacity:1}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact{background:var(--grad-navy);color:var(--cream);position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;inset:0;
  background:radial-gradient(70% 60% at 12% 8%,rgba(201,154,63,.14),transparent 55%);pointer-events:none}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,64px);align-items:stretch}
.contact-head h2{font-size:clamp(1.9rem,3.8vw,3rem);margin:18px 0 14px}
.contact-info{margin-top:30px;display:grid;gap:8px}
.info-row{display:flex;gap:16px;align-items:center;padding:15px 18px;border-radius:14px;
  background:rgba(18,48,79,.4);border:1px solid rgba(201,154,63,.14);transition:.35s var(--ease)}
.info-row:hover{border-color:rgba(227,192,108,.45);background:rgba(23,58,94,.55)}
.info-row .ic{width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-gold);color:var(--navy)}
.info-row .ic svg{width:20px;height:20px}
.info-row small{display:block;color:var(--mist);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase}
.info-row b{font-weight:600;color:#fff;font-size:1rem}
.map-embed{margin-top:22px;border-radius:var(--radius);overflow:hidden;border:1px solid rgba(201,154,63,.22);
  box-shadow:var(--shadow);line-height:0}
.map-embed iframe{width:100%;height:230px;border:0;filter:grayscale(.2) contrast(1.05)}

.contact-form{
  background:rgba(247,244,237,.98);color:var(--ink);border-radius:var(--radius);
  padding:clamp(28px,3.5vw,42px);box-shadow:var(--shadow);position:relative;
}
.contact-form h3{font-size:1.4rem;color:var(--navy);margin-bottom:6px}
.contact-form .hint{color:var(--ink-soft);font-size:.9rem;margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.78rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--navy);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1px solid rgba(14,27,41,.16);border-radius:11px;
  font-family:inherit;font-size:.96rem;background:#fff;color:var(--ink);transition:.25s var(--ease);
}
.field textarea{resize:vertical;min-height:104px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,154,63,.15)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form .btn{width:100%;margin-top:6px;padding:1.05em}
.form-note{text-align:center;font-size:.78rem;color:var(--ink-soft);margin-top:14px}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--navy-abyss);color:var(--mist-2);padding:clamp(56px,7vw,84px) 0 0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:clamp(30px,5vw,60px);
  padding-bottom:48px;border-bottom:1px solid rgba(201,154,63,.16)}
.footer-brand img{height:58px;margin-bottom:20px}
.footer-brand p{max-width:36ch;color:var(--mist);font-size:.94rem}
.footer-brand .tagline{font-family:var(--serif);font-style:italic;color:var(--gold-light);
  margin-top:16px;font-size:1.05rem}
.footer-col h4{font-family:var(--sans);font-weight:700;font-size:.76rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold-light);margin-bottom:18px}
.footer-col a,.footer-col li{display:block;color:var(--mist-2);font-size:.94rem;padding:6px 0;
  transition:color .3s,padding-left .3s}
.footer-col a:hover{color:var(--gold-light);padding-left:6px}
.footer-col .ln{display:flex;gap:10px;align-items:flex-start;padding:7px 0}
.footer-col .ln svg{width:16px;height:16px;color:var(--gold);flex:none;margin-top:5px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  padding:24px 0;font-size:.82rem;color:var(--mist)}
.footer-bottom .socials{display:flex;gap:10px}
.footer-bottom .socials a{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(201,154,63,.3);color:var(--gold-light);transition:.3s var(--ease)}
.footer-bottom .socials a:hover{background:var(--grad-gold);color:var(--navy);border-color:transparent;transform:translateY(-3px)}

/* ============================================================
   WhatsApp flotante + toast
   ============================================================ */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:70;width:60px;height:60px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;color:#fff;
  box-shadow:0 14px 34px -8px rgba(37,211,102,.6);transition:.35s var(--ease);
}
.wa-float svg{width:32px;height:32px}
.wa-float::after{content:"";position:absolute;inset:0;border-radius:50%;
  border:2px solid #25D366;animation:waPulse 2.4s var(--ease) infinite}
.wa-float:hover{transform:scale(1.08) translateY(-2px)}
@keyframes waPulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.65);opacity:0}}
.wa-float .tip{position:absolute;right:74px;white-space:nowrap;background:var(--navy);color:#fff;
  padding:9px 15px;border-radius:10px;font-size:.82rem;font-weight:600;opacity:0;pointer-events:none;
  transform:translateX(8px);transition:.3s var(--ease);box-shadow:var(--shadow-soft)}
.wa-float .tip::after{content:"";position:absolute;right:-5px;top:50%;transform:translateY(-50%) rotate(45deg);
  width:10px;height:10px;background:var(--navy)}
.wa-float:hover .tip{opacity:1;transform:translateX(0)}

.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,120%);z-index:90;
  background:var(--navy);color:#fff;padding:15px 24px;border-radius:14px;font-weight:600;font-size:.92rem;
  box-shadow:var(--shadow);border:1px solid rgba(201,154,63,.35);display:flex;gap:12px;align-items:center;
  transition:transform .5s var(--ease);max-width:calc(100% - 40px)}
.toast.show{transform:translate(-50%,0)}
.toast svg{width:22px;height:22px;color:var(--gold-light);flex:none}

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}
.reveal.d5{transition-delay:.4s}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .about-grid,.why-grid,.contact-grid,.footer-top{grid-template-columns:1fr}
  .footer-top{gap:40px}
  .why-copy{order:1}.process{order:2}
}
@media (max-width:760px){
  .nav-links,.nav-cta .btn{display:none}
  .burger{display:block}
  /* Mobile slide-in menu */
  .mobile-menu{
    position:fixed;inset:0;z-index:65;background:var(--grad-navy);
    display:flex;flex-direction:column;justify-content:center;gap:8px;padding:0 var(--gutter);
    transform:translateX(100%);transition:transform .5s var(--ease);
  }
  body.menu-open .mobile-menu{transform:translateX(0)}
  .mobile-menu a{color:var(--cream);font-family:var(--serif);font-size:1.8rem;padding:12px 0;
    border-bottom:1px solid var(--line-gold)}
  .mobile-menu a .n{color:var(--gold);font-size:.9rem;font-family:var(--sans);
    display:block;letter-spacing:.2em;margin-bottom:2px}
  .mobile-menu .btn{margin-top:26px;align-self:stretch;font-family:var(--sans);
    font-size:1rem;white-space:normal;border-bottom:none}
  body.menu-open .site-header{z-index:70;background:transparent;box-shadow:none}
  .cards{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-pillars{grid-template-columns:1fr}
  .hero-pillars .pill{border-bottom:1px solid var(--line-gold);padding:22px}
  .hero-pillars .pill+.pill::before{display:none}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (min-width:761px){.mobile-menu{display:none}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;
    scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .wa-float::after{display:none}
}