/* =========================================================
   MALAQUITA INTERNATIONAL — Hoja de estilos principal
   Mobile-first. Variables CSS centralizadas. Sin frameworks.
   ========================================================= */

:root{
  /* Paleta — derivada de verde malaquita / grafito / neutros */
  --color-malachite-deep:#0B4D3A;
  --color-malachite:#0F6E4F;
  --color-malachite-bright:#2FAE87;
  --color-malachite-mist:#E4F2EC;
  --color-graphite:#161A19;
  --color-graphite-soft:#333B39;
  --color-white:#FFFFFF;
  --color-off-white:#F6F8F7;
  --color-neutral-100:#EEF2F0;
  --color-neutral-300:#D3DAD7;
  --color-neutral-500:#8B9490;
  --color-neutral-700:#525C58;

  --color-bg:var(--color-off-white);
  --color-surface:var(--color-white);
  --color-text:var(--color-graphite);
  --color-text-soft:var(--color-neutral-700);
  --color-border:var(--color-neutral-300);
  --color-focus:#1E7CD6;

  /* Tipografía */
  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;

  --fs-h1:clamp(2rem, 1.55rem + 2vw, 3.375rem);
  --fs-h2:clamp(1.5rem, 1.25rem + 1.1vw, 2.25rem);
  --fs-h3:clamp(1.15rem, 1.05rem + 0.5vw, 1.5rem);
  --fs-lead:clamp(1.05rem, 1rem + 0.3vw, 1.25rem);
  --fs-body:1rem;
  --fs-small:0.875rem;

  /* Espaciado */
  --space-xs:0.5rem;
  --space-sm:0.75rem;
  --space-md:1.25rem;
  --space-lg:2rem;
  --space-xl:3.5rem;
  --space-2xl:5.5rem;

  /* Layout */
  --container-max:1240px;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-sm:0 1px 3px rgba(11,77,58,0.08);
  --shadow-md:0 8px 24px rgba(11,77,58,0.10);
  --shadow-lg:0 16px 40px rgba(11,77,58,0.14);
  --border-w:1px;

  --transition-fast:150ms ease;
  --transition-base:240ms ease;
}

/* =========================================================
   RESET Y BASE
   ========================================================= */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:0.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
    scroll-behavior:auto !important;
  }
}

body{
  margin:0;
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:1.6;
  color:var(--color-text);
  background:var(--color-bg);
  -webkit-font-smoothing:antialiased;
}

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

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--color-graphite);
  line-height:1.15;
  margin:0 0 var(--space-md);
  font-weight:600;
}
h1{font-size:var(--fs-h1);}
h2{font-size:var(--fs-h2);}
h3{font-size:var(--fs-h3);}
p{margin:0 0 var(--space-md);}
p.lead{font-size:var(--fs-lead);color:var(--color-text-soft);}

a{color:var(--color-malachite);text-decoration:none;}
a:hover{color:var(--color-malachite-deep);}

ul,ol{padding-left:1.25rem;}

/* Foco visible accesible en toda la app */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible{
  outline:3px solid var(--color-focus);
  outline-offset:2px;
  border-radius:2px;
}

/* Enlace saltar al contenido */
.skip-link{
  position:absolute;
  left:var(--space-sm);
  top:-100px;
  background:var(--color-graphite);
  color:var(--color-white);
  padding:0.75rem 1.25rem;
  border-radius:var(--radius-sm);
  z-index:1000;
  transition:top var(--transition-fast);
}
.skip-link:focus{top:var(--space-sm);}

.container{
  width:100%;
  max-width:var(--container-max);
  margin-inline:auto;
  padding-inline:var(--space-md);
}

.visually-hidden{
  position:absolute !important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

section{padding-block:var(--space-2xl);}
.section-alt{background:var(--color-surface);}
.section-tight{padding-block:var(--space-xl);}

.section-head{max-width:720px;margin-bottom:var(--space-lg);}
.eyebrow{
  display:inline-block;
  font-family:var(--font-display);
  font-size:var(--fs-small);
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--color-malachite);
  margin-bottom:var(--space-sm);
  font-weight:600;
}

/* =========================================================
   BOTONES
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:0.5rem;
  padding:0.85rem 1.6rem;
  border-radius:var(--radius-sm);
  font-family:var(--font-display);
  font-weight:600;
  font-size:0.95rem;
  border:var(--border-w) solid transparent;
  cursor:pointer;
  transition:transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
  min-height:48px;
  line-height:1.1;
  text-align:center;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{
  background:var(--color-malachite);
  color:var(--color-white);
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{background:var(--color-malachite-deep);color:var(--color-white);box-shadow:var(--shadow-md);}
.btn-secondary{
  background:transparent;
  color:var(--color-graphite);
  border-color:var(--color-border);
}
.btn-secondary:hover{border-color:var(--color-malachite);color:var(--color-malachite-deep);}
.btn-on-dark{
  background:var(--color-malachite-bright);
  color:var(--color-graphite);
}
.btn-on-dark:hover{background:var(--color-white);}
.btn-ghost-on-dark{
  background:transparent;
  color:var(--color-white);
  border-color:rgba(255,255,255,0.4);
}
.btn-ghost-on-dark:hover{border-color:var(--color-white);}
.btn[disabled]{opacity:0.55;cursor:not-allowed;transform:none;}
.btn-block{width:100%;}

/* =========================================================
   HEADER / NAV
   ========================================================= */
.site-header{
  position:sticky;
  top:0;
  z-index:500;
  background:rgba(246,248,247,0.92);
  backdrop-filter:blur(8px);
  border-bottom:var(--border-w) solid var(--color-border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-md);
  padding-block:var(--space-sm);
}
.brand{
  display:flex;
  align-items:center;
  gap:0.6rem;
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.15rem;
  color:var(--color-graphite);
}
.brand:hover{color:var(--color-malachite-deep);}
.brand-logo{
  width:40px;
  height:40px;
  display:block;
  object-fit:contain;
  border-radius:50%;
  flex-shrink:0;
}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;height:48px;
  border-radius:var(--radius-sm);
  border:var(--border-w) solid var(--color-border);
  background:var(--color-surface);
  cursor:pointer;
}
.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after{
  content:"";
  display:block;
  width:20px;height:2px;
  background:var(--color-graphite);
  border-radius:2px;
  transition:transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle-icon{position:relative;}
.nav-toggle-icon::before{position:absolute;top:-6px;}
.nav-toggle-icon::after{position:absolute;top:6px;}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon{background:transparent;}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after{transform:translateY(-6px) rotate(-45deg);}

.main-nav{
  position:fixed;
  inset:0 0 0 auto;
  width:min(85vw,360px);
  background:var(--color-surface);
  box-shadow:var(--shadow-lg);
  transform:translateX(100%);
  transition:transform var(--transition-base);
  overflow-y:auto;
  padding:var(--space-lg) var(--space-md);
  z-index:600;
}
.main-nav.is-open{transform:translateX(0);}
.nav-close{
  display:flex;margin-left:auto;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--radius-sm);
  border:var(--border-w) solid var(--color-border);
  background:transparent;cursor:pointer;
  font-size:1.25rem;
  color:var(--color-graphite);
}
.nav-list{list-style:none;margin:var(--space-lg) 0 0;padding:0;display:flex;flex-direction:column;gap:0.25rem;}
.nav-list>li{border-bottom:var(--border-w) solid var(--color-border);}
.nav-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:0.95rem 0.25rem;
  font-family:var(--font-display);
  font-weight:600;
  color:var(--color-graphite);
  min-height:48px;
}
.nav-link[aria-current="page"]{color:var(--color-malachite-deep);}
.nav-link[aria-current="page"]::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--color-malachite-bright);margin-left:0.5rem;}

.submenu-toggle{
  background:none;border:none;
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--color-graphite);
}
.submenu-toggle .chev{transition:transform var(--transition-fast);}
.submenu-toggle[aria-expanded="true"] .chev{transform:rotate(180deg);}
.submenu{
  list-style:none;margin:0;padding:0 0 0.5rem 0.75rem;
  max-height:0;overflow:hidden;
  transition:max-height var(--transition-base);
}
.submenu.is-open{max-height:600px;}
.submenu a{
  display:block;padding:0.65rem 0.25rem;
  color:var(--color-text-soft);
  font-size:0.95rem;
  min-height:44px;
  display:flex;align-items:center;
}
.has-submenu>.nav-link-row{display:flex;align-items:center;}
.nav-link-row .nav-link{flex:1;}

.nav-utility{
  margin-top:var(--space-lg);
  display:flex;flex-direction:column;gap:var(--space-sm);
}
.lang-switch{
  display:flex;
  border:var(--border-w) solid var(--color-border);
  border-radius:var(--radius-sm);
  overflow:hidden;
  width:fit-content;
}
.lang-switch a{
  padding:0.5rem 0.85rem;
  font-family:var(--font-display);
  font-weight:600;
  font-size:0.85rem;
  color:var(--color-text-soft);
  min-height:44px;
  display:flex;align-items:center;
}
.lang-switch a[aria-current="true"]{background:var(--color-malachite);color:var(--color-white);}

.nav-backdrop{
  position:fixed;inset:0;
  background:rgba(22,26,25,0.45);
  opacity:0;pointer-events:none;
  transition:opacity var(--transition-base);
  z-index:550;
}
.nav-backdrop.is-visible{opacity:1;pointer-events:auto;}

body.nav-locked{overflow:hidden;}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  background:radial-gradient(120% 140% at 15% 0%, var(--color-malachite-deep) 0%, var(--color-graphite) 62%);
  color:var(--color-white);
  overflow:hidden;
  padding-block:var(--space-2xl) var(--space-xl);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;
  gap:var(--space-lg);
}
.hero h1{color:var(--color-white);}
.hero p.lead{color:rgba(255,255,255,0.82);}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--space-sm);margin-top:var(--space-md);}
.hero-network{
  position:absolute;
  inset:0;
  opacity:0.5;
  pointer-events:none;
}

.badge-row{display:flex;flex-wrap:wrap;gap:0.5rem 1rem;margin-top:var(--space-lg);}
.badge{
  font-size:var(--fs-small);
  color:rgba(255,255,255,0.75);
  display:flex;align-items:center;gap:0.4rem;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--color-malachite-bright);}

/* =========================================================
   TARJETAS
   ========================================================= */
.grid{display:grid;gap:var(--space-md);}
.grid-3{grid-template-columns:1fr;}
.grid-2{grid-template-columns:1fr;}

.card{
  background:var(--color-surface);
  border:var(--border-w) solid var(--color-border);
  border-radius:var(--radius-md);
  padding:var(--space-lg);
  display:flex;flex-direction:column;gap:var(--space-sm);
  transition:box-shadow var(--transition-base), transform var(--transition-base);
  height:100%;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}
.card-icon{
  width:52px;height:52px;
  border-radius:var(--radius-sm);
  background:var(--color-malachite-mist);
  color:var(--color-malachite-deep);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;
  flex-shrink:0;
}
.card h3{margin-bottom:0.25rem;}
.card p{color:var(--color-text-soft);margin-bottom:0.5rem;}
.card-link{
  margin-top:auto;
  font-family:var(--font-display);
  font-weight:600;
  display:inline-flex;align-items:center;gap:0.35rem;
}
.card-link .arrow{transition:transform var(--transition-fast);}
.card-link:hover .arrow{transform:translateX(4px);}

.project-card{
  background:var(--color-surface);
  border:var(--border-w) solid var(--color-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;flex-direction:column;
}
.project-card-media{
  aspect-ratio:16/10;
  background:linear-gradient(135deg,var(--color-malachite-mist),var(--color-neutral-100));
  display:flex;align-items:center;justify-content:center;
  color:var(--color-malachite-deep);
  font-family:var(--font-display);font-weight:600;
  text-align:center;padding:var(--space-md);
  overflow:hidden;
}
.project-card-media svg{width:100%;height:100%;}
.project-card-body{padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-sm);flex:1;}
.project-tag{
  align-self:flex-start;
  font-size:var(--fs-small);
  font-weight:600;
  color:var(--color-malachite-deep);
  background:var(--color-malachite-mist);
  padding:0.25rem 0.65rem;
  border-radius:999px;
}

/* =========================================================
   PROCESO / METODOLOGÍA
   ========================================================= */
.process-list{
  list-style:none;margin:0;padding:0;
  display:grid;gap:var(--space-md);
  counter-reset:step;
}
.process-item{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:var(--space-md);
  padding:var(--space-md) 0;
  border-bottom:var(--border-w) solid var(--color-border);
}
.process-item:last-child{border-bottom:none;}
.process-num{
  counter-increment:step;
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.5rem;
  color:var(--color-malachite);
  min-width:2.5ch;
}
.process-num::before{content:counter(step,decimal-leading-zero);}

/* =========================================================
   FORMULARIOS
   ========================================================= */
.form-grid{display:grid;gap:var(--space-md);}
.field{display:flex;flex-direction:column;gap:0.4rem;}
.field label{font-weight:600;font-size:var(--fs-small);color:var(--color-graphite);}
.field .hint{font-size:var(--fs-small);color:var(--color-text-soft);}
.field input,
.field select,
.field textarea{
  font:inherit;
  padding:0.75rem 0.9rem;
  border-radius:var(--radius-sm);
  border:var(--border-w) solid var(--color-border);
  background:var(--color-white);
  color:var(--color-text);
  min-height:48px;
}
.field textarea{min-height:120px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--color-malachite);}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#B3261E;}
.field-error{color:#B3261E;font-size:var(--fs-small);display:none;}
.field.has-error .field-error{display:block;}
.checkbox-field{display:flex;align-items:flex-start;gap:0.6rem;}
.checkbox-field input{min-height:auto;width:20px;height:20px;flex-shrink:0;margin-top:0.15rem;}
.checkbox-field label{font-weight:400;font-size:var(--fs-small);color:var(--color-text-soft);}
.form-status{
  display:none;
  padding:var(--space-md);
  border-radius:var(--radius-sm);
  font-weight:600;
  margin-bottom:var(--space-md);
}
.form-status.is-visible{display:block;}
.form-status.is-success{background:var(--color-malachite-mist);color:var(--color-malachite-deep);}
.form-status.is-error{background:#FBE9E7;color:#8C2A22;}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.hubspot-form-card{
  width:100%;
  max-width:760px;
  margin-inline:auto;
  padding:clamp(var(--space-md),4vw,var(--space-xl));
  background:var(--color-white);
  border:var(--border-w) solid var(--color-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
}
.hubspot-form-card .hs-form-frame{
  width:100%;
  min-height:760px;
}

/* =========================================================
   TABLAS / COMPARATIVAS
   ========================================================= */
.table-scroll{overflow-x:auto;border:var(--border-w) solid var(--color-border);border-radius:var(--radius-md);}
table{width:100%;border-collapse:collapse;min-width:480px;}
th,td{padding:0.85rem 1rem;text-align:left;border-bottom:var(--border-w) solid var(--color-border);}
thead th{font-family:var(--font-display);background:var(--color-off-white);}

/* =========================================================
   BREADCRUMBS
   ========================================================= */
.breadcrumbs{padding-block:var(--space-md);font-size:var(--fs-small);}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:0.35rem;padding:0;margin:0;color:var(--color-text-soft);}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:0.35rem;color:var(--color-neutral-500);}
.breadcrumbs a{color:var(--color-text-soft);}
.breadcrumbs [aria-current="page"]{color:var(--color-graphite);font-weight:600;}

/* =========================================================
   CTA BANNER
   ========================================================= */
.cta-banner{
  background:var(--color-graphite);
  color:var(--color-white);
  border-radius:var(--radius-lg);
  padding:var(--space-xl) var(--space-lg);
  text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);
}
.cta-banner h2{color:var(--color-white);}
.cta-banner .actions{display:flex;flex-wrap:wrap;gap:var(--space-sm);justify-content:center;margin-top:var(--space-sm);}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{
  background:var(--color-graphite);
  color:rgba(255,255,255,0.75);
  padding-block:var(--space-2xl) var(--space-lg);
}
.footer-grid{display:grid;gap:var(--space-lg);}
.footer-brand{color:var(--color-white);}
.footer-brand .brand{color:var(--color-white);}
.footer-col h4{color:var(--color-white);font-size:1rem;margin-bottom:var(--space-sm);}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:0.55rem;}
.footer-col a{color:rgba(255,255,255,0.75);}
.footer-col a:hover{color:var(--color-white);}
.footer-social{display:flex;gap:0.75rem;margin-top:var(--space-sm);}
.footer-social a{
  width:40px;height:40px;border-radius:50%;
  border:var(--border-w) solid rgba(255,255,255,0.25);
  display:flex;align-items:center;justify-content:center;
}
.footer-bottom{
  border-top:var(--border-w) solid rgba(255,255,255,0.15);
  margin-top:var(--space-xl);
  padding-top:var(--space-md);
  display:flex;flex-wrap:wrap;gap:var(--space-sm);
  justify-content:space-between;
  font-size:var(--fs-small);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:var(--space-md);}
.footer-legal a{color:rgba(255,255,255,0.6);}

/* =========================================================
   BACK TO TOP
   ========================================================= */
.back-to-top{
  position:fixed;
  right:var(--space-md);bottom:var(--space-md);
  width:48px;height:48px;
  border-radius:50%;
  background:var(--color-malachite);
  color:var(--color-white);
  border:none;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);
  cursor:pointer;
  opacity:0;pointer-events:none;
  transform:translateY(10px);
  transition:opacity var(--transition-base), transform var(--transition-base);
  z-index:400;
}
.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}

/* =========================================================
   PLACEHOLDER (marcadores de contenido pendiente)
   ========================================================= */
.placeholder-note{
  border:1px dashed var(--color-neutral-500);
  background:var(--color-neutral-100);
  color:var(--color-text-soft);
  padding:var(--space-sm) var(--space-md);
  border-radius:var(--radius-sm);
  font-size:var(--fs-small);
}

/* =========================================================
   REVEAL ON SCROLL
   ========================================================= */
[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-revealed{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;}
}

/* =========================================================
   MODAL DE CONSULTA (opcional)
   ========================================================= */
.modal-overlay{
  position:fixed;inset:0;
  background:rgba(22,26,25,0.55);
  display:none;
  align-items:center;justify-content:center;
  padding:var(--space-md);
  z-index:900;
}
.modal-overlay.is-open{display:flex;}
.modal{
  background:var(--color-surface);
  border-radius:var(--radius-md);
  padding:var(--space-lg);
  max-width:520px;width:100%;
  max-height:85vh;overflow-y:auto;
}