/* ═══════════════════════════════════════════════════════════════
   ALL IN ONE XPRESS SERVICES CORP — styles.css
   Sitio estático, sin dependencias. Fuentes del sistema.
   Paleta tomada del logo: carbón #231f20, gris #999, marfil.
   ═══════════════════════════════════════════════════════════════ */

:root{
  --ink:#231f20;
  --ink-soft:#3c3638;
  --paper:#fdfcf9;
  --ivory:#f5f1ea;
  --line:#e4ded2;
  --gray:#8d8578;
  --gray-light:#b6aea0;
  --brass:#a07c2c;
  --brass-soft:#c9a86a;
  --dark:#1d1a1b;
  --dark-2:#292425;
  --serif:Georgia,"Times New Roman",Times,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --radius:14px;
  --shadow:0 24px 48px -24px rgba(35,31,32,.28);
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

.wrap{max-width:1200px;margin:0 auto;padding:0 28px}

h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.15;color:var(--ink)}
h2{font-size:clamp(1.9rem,3.6vw,2.7rem);letter-spacing:-.01em}
h3{font-size:1.35rem}

/* ── Eyebrow ─────────────────────────── */
.eyebrow{
  font-family:var(--sans);
  font-size:.78rem;font-weight:700;
  letter-spacing:.28em;text-transform:uppercase;
  color:var(--brass);
  margin-bottom:1.1rem;
}
.eyebrow-center{text-align:center}
.section-head .eyebrow{text-align:center}

/* ── Buttons ─────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 1.7rem;border-radius:8px;
  font-weight:600;font-size:.98rem;letter-spacing:.01em;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}

/* ── Top bar ─────────────────────────── */
.topbar{background:var(--dark);color:#d8d2c6;font-size:.82rem}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.5rem;padding-bottom:.5rem}
.topbar-mail{letter-spacing:.02em}
.topbar-mail:hover{color:#fff}
.topbar-note{letter-spacing:.14em;text-transform:uppercase;font-size:.72rem;color:var(--gray-light)}
.lang-switch{display:flex;align-items:center;gap:.35rem}
.lang-btn{
  background:none;border:none;cursor:pointer;
  color:var(--gray-light);font:inherit;font-weight:700;letter-spacing:.06em;
  padding:.15rem .3rem;border-radius:4px;
}
.lang-btn:hover{color:#fff}
.lang-btn.is-active{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--brass-soft)}
.lang-sep{color:#5a5348}

/* ── Header ──────────────────────────── */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(253,252,249,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 10px 30px -18px rgba(35,31,32,.35)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding-top:.9rem;padding-bottom:.9rem}
.brand{display:flex;align-items:center;gap:.8rem;flex-shrink:0}
.brand-mark{height:46px;width:auto}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-weight:800;font-size:1.22rem;letter-spacing:.045em;color:var(--ink)}
.brand-sub{font-size:.62rem;font-weight:600;letter-spacing:.34em;color:var(--gray)}
.main-nav{display:flex;align-items:center;gap:2rem}
.main-nav a{font-weight:600;font-size:.98rem;color:var(--ink-soft);position:relative;padding:.25rem 0}
.main-nav a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brass);transition:width .22s ease;
}
.main-nav a:not(.btn):hover::after{width:100%}
.main-nav .nav-cta{color:#fff;padding:.65rem 1.3rem}
.menu-btn{
  display:none;background:none;border:none;cursor:pointer;
  width:44px;height:44px;padding:10px;
}
.menu-btn span{display:block;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ── Hero ────────────────────────────── */
.hero{background:linear-gradient(180deg,var(--ivory) 0%,var(--paper) 88%);overflow:hidden}
.hero-grid{
  display:grid;grid-template-columns:1.02fr .98fr;gap:3.5rem;align-items:center;
  padding-top:4.2rem;padding-bottom:4.6rem;
}
.hero-title{font-size:clamp(2.5rem,5.2vw,4.1rem);letter-spacing:-.015em;margin-bottom:1.4rem}
.hero-title span{display:block}
.hero-title em{
  font-style:italic;font-weight:400;color:var(--ink);
  background:linear-gradient(transparent 72%,rgba(201,168,106,.45) 72%);
}
.hero-chips{display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:1.5rem}
.hero-chips span{
  font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  border:1.5px solid var(--ink);border-radius:999px;padding:.38rem .95rem;color:var(--ink);
}
.hero-lead{font-size:1.13rem;color:var(--ink-soft);max-width:34rem;margin-bottom:2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-bottom:2.2rem}
.hero-sign{
  font-family:var(--serif);font-style:italic;font-size:1.25rem;color:var(--brass);
  display:inline-block;position:relative;padding-bottom:.45rem;
}
.hero-sign::after{
  content:"";position:absolute;left:0;right:6%;bottom:0;height:2px;
  background:var(--brass-soft);border-radius:2px;transform:rotate(-.6deg);
}
.hero-media img{
  width:100%;height:100%;min-height:420px;object-fit:cover;
  border-radius:var(--radius);box-shadow:var(--shadow);
}

/* ── Sections ────────────────────────── */
.section{padding:5.2rem 0}
.section-soft{background:var(--ivory)}
.section-dark{background:var(--dark);color:#ece7db}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark .eyebrow{color:var(--brass-soft)}
.section-head{text-align:center;max-width:46rem;margin:0 auto 3.2rem}
.section-intro{margin-top:1rem;font-size:1.08rem;color:var(--ink-soft)}
.section-dark .section-intro{color:#cfc8ba}

/* ── Service cards ───────────────────── */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:2.3rem 2rem 2.1rem;position:relative;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card::before{
  content:"";position:absolute;top:0;left:2rem;right:2rem;height:3px;
  background:var(--brass);border-radius:0 0 4px 4px;opacity:.9;
}
.card-num{
  font-family:var(--serif);font-style:italic;font-size:1rem;color:var(--brass);
  display:block;margin-bottom:.9rem;letter-spacing:.05em;
}
.card h3{margin-bottom:.7rem}
.card p{color:var(--ink-soft);font-size:.99rem;margin-bottom:1.3rem}
.card ul{border-top:1px solid var(--line);padding-top:1.1rem;display:grid;gap:.5rem}
.card li{font-size:.95rem;color:var(--ink-soft);padding-left:1.15rem;position:relative}
.card li::before{content:"—";position:absolute;left:0;color:var(--brass);font-weight:700}

/* ── Pillars ─────────────────────────── */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:2.2rem}
.pillar{border-top:2px solid var(--brass);padding-top:1.3rem}
.pillar h3{font-size:1.18rem;margin-bottom:.55rem}
.pillar p{font-size:.97rem;color:#cfc8ba}

/* ── About ───────────────────────────── */
.about-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:3.5rem;align-items:center}
.about-media img{
  width:100%;height:100%;min-height:380px;object-fit:cover;
  border-radius:var(--radius);box-shadow:var(--shadow);
}
.about-copy p:not(.eyebrow){color:var(--ink-soft);margin:1.2rem 0 2rem;font-size:1.06rem}
.steps{display:grid;gap:1rem}
.steps li{
  display:flex;align-items:center;gap:1rem;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:.95rem 1.2rem;font-weight:600;
}
.step-num{
  font-family:var(--serif);font-style:italic;font-size:1.3rem;color:#fff;
  background:var(--ink);width:42px;height:42px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}

/* ── Contact ─────────────────────────── */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;max-width:64rem;margin:0 auto}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.9rem 1.7rem;display:flex;flex-direction:column;gap:.45rem;
  transition:transform .22s ease,box-shadow .22s ease;
}
a.contact-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.contact-label{font-size:.74rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--brass)}
.contact-value{font-family:var(--serif);font-size:1.04rem;font-weight:700;color:var(--ink);overflow-wrap:anywhere}
.contact-action{font-size:.93rem;color:var(--gray);font-weight:600}

/* ── Footer ──────────────────────────── */
.site-footer{background:var(--dark);color:#d8d2c6;padding:3rem 0 2.4rem}
.footer-in{display:flex;flex-direction:column;align-items:center;gap:1.6rem;text-align:center}
.brand-footer .brand-name{color:#fff}
.brand-footer .brand-sub{color:var(--gray-light)}
.footer-mark{
  background:#fff;border-radius:10px;padding:6px;
  display:inline-flex;align-items:center;justify-content:center;
}
.footer-mark img{height:38px;width:auto}
.footer-nav{display:flex;flex-wrap:wrap;gap:2rem;justify-content:center}
.footer-nav a{font-weight:600;font-size:.95rem;color:#d8d2c6}
.footer-nav a:hover{color:#fff}
.footer-legal{font-size:.85rem;color:var(--gray-light);display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center}

/* ── Reveal animation ────────────────── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{transition:none!important}
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:2.4rem;padding-top:3rem}
  .hero-media img{min-height:320px}
  .cards{grid-template-columns:1fr;max-width:36rem;margin:0 auto}
  .pillars{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:2.2rem}
  .contact-cards{grid-template-columns:1fr;max-width:32rem}
}

@media (max-width:820px){
  .topbar-note{display:none}
  .menu-btn{display:block}
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:.6rem 28px 1.2rem;box-shadow:0 24px 30px -22px rgba(35,31,32,.4);
  }
  .site-header{position:sticky}
  .header-in{position:relative}
  .main-nav.open{display:flex}
  .main-nav a{padding:.85rem 0;border-bottom:1px solid var(--line)}
  .main-nav a:not(.btn)::after{display:none}
  .main-nav .nav-cta{margin-top:.9rem;justify-content:center;border-bottom:none}
}

@media (max-width:540px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .section{padding:3.8rem 0}
  .pillars{grid-template-columns:1fr}
  .brand-mark{height:38px}
  .brand-name{font-size:1.05rem}
  .hero-actions .btn{flex:1;justify-content:center}
  .topbar-mail{font-size:.76rem}
}