/* =========================================================
   NEXUM LEGAL ADVISORY — tokens
   ========================================================= */
:root{
  --navy:        #14213D;
  --navy-2:      #1F2E52;
  --camel:       #C89B6E;
  --camel-dark:  #8A5A32;
  --stone:       #E4E1DA;
  --paper:       #FAF8F4;
  --ink:         #1B1B1E;
  --ink-soft:    #55534E;
  --line:        rgba(20,33,61,0.14);

  --display: "Fraunces", ui-serif, Georgia, serif;
  --body:    "Work Sans", ui-sans-serif, system-ui, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, monospace;

  --wrap: 1180px;
  --radius: 2px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*, *::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; transition-duration: 0.001ms !important; }
}

body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3{
  font-family: var(--display);
  color: var(--navy);
  margin: 0 0 0.4em;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.08;
}
h2{ font-size: clamp(1.8rem, 3.2vw, 2.6rem); font-weight: 500; }
h3{ font-size: 1.25rem; font-weight: 600; }
p{
  margin: 0 0 1em; color: var(--ink-soft);
  text-align: justify;
  text-align-last: left;
  hyphens: none;
}
a{ color: inherit; }

/* Textos cortos que no deben justificarse (se ven mejor alineados a la izquierda) */
.eyebrow, .form-note, .footer-legal, .contact-list li, .nnode{
  text-align: left;
  hyphens: none;
}

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow{
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--camel-dark);
  margin: 0 0 14px;
  font-weight: 500;
}

.section{ padding: 100px 0; }
.section-lead{ max-width: 46ch; font-size: 1.05rem; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--navy); color:#fff;
  padding:12px 18px; z-index:200; font-family:var(--body);
}
.skip-link:focus{ left: 12px; top: 12px; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(250,248,244,0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 78px;
}
.brand{
  display:flex; align-items:center;
  text-decoration:none; color: var(--navy);
}
.brand-logo{
  height: 30px; width: auto; display:block;
}
.main-nav{ display:flex; align-items:center; gap: 32px; }
.main-nav a{
  text-decoration:none; color: var(--ink); font-size:0.92rem; font-weight:500;
  position:relative; padding: 4px 0;
}
.main-nav a:not(.nav-cta)::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background: var(--camel-dark); transition: width .25s var(--ease);
}
.main-nav a:not(.nav-cta):hover::after{ width:100%; }
.nav-cta{
  border: 1px solid var(--navy); padding: 9px 18px !important; border-radius: var(--radius);
  color: var(--navy) !important;
}
.nav-cta:hover{ background: var(--navy); color: var(--paper) !important; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; background:none; border:none; cursor:pointer;
}
.nav-toggle span{
  width:100%; height:2px; background: var(--navy); display:block;
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity: 0; }
.nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position: relative; overflow: hidden;
  padding: 92px 0 80px;
  border-bottom: 1px solid var(--line);
}
.hero-figure{
  position:absolute; top:-8%; right:-14%; width: min(56vw, 700px);
  opacity: 0.9; pointer-events:none;
}
.hero-orbits{ width:100%; height:auto; }
.hero-orbits .c-camel{ fill: var(--camel); opacity: .35; }
.hero-orbits .c-navy{ fill: var(--navy); opacity: .07; }
.hero-orbits .c-ring{ fill:none; stroke: var(--camel-dark); stroke-width:1.5; opacity:.5; }

.hero-inner{ position:relative; max-width: 760px; }
.hero-title{
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  font-weight: 600;
  margin-bottom: 0.42em;
}
.hero-sub{
  font-size: 1.12rem; max-width: 52ch; margin-bottom: 2.1em;
  color: var(--ink-soft);
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 14px 28px; font-size: 0.94rem; font-weight:600;
  text-decoration:none; border-radius: var(--radius); border: 1px solid transparent;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
  cursor:pointer; font-family: var(--body);
}
.btn-primary{ background: var(--navy); color: var(--paper); }
.btn-primary:hover{ background: var(--navy-2); transform: translateY(-1px); }
.btn-ghost{ border-color: var(--navy); color: var(--navy); }
.btn-ghost:hover{ background: var(--navy); color: var(--paper); }
.btn-block{ width:100%; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--camel-dark); outline-offset: 3px;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about-grid{
  display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px;
}
.about-lead h2{ max-width: 12ch; }
.about-word{
  font-family: var(--display); font-size: 1.15rem; color: var(--navy);
  border-left: 2px solid var(--camel); padding-left: 18px; margin-top: 1.4em;
}
.about-word strong{ font-style: italic; }

/* =========================================================
   SERVICES / NEXUS DIAGRAM
   ========================================================= */
.services{ background: var(--navy); color: var(--paper); }
.services .eyebrow{ color: var(--camel); }
.services h2, .services .section-lead{ color: var(--paper); }
.services .section-lead{ color: rgba(250,248,244,0.72); }

.nexus-layout{
  margin-top: 56px;
  display:grid; grid-template-columns: 1.25fr 0.9fr; gap: 48px; align-items:center;
}

.nexus{
  position: relative; width:100%; aspect-ratio: 1/1; max-width: 560px; margin: 0 auto;
}
.nexus-lines{ position:absolute; inset:0; width:100%; height:100%; }
.nline{
  stroke: rgba(200,155,110,0.35); stroke-width: 1.5;
  stroke-dasharray: 320; stroke-dashoffset: 320;
  transition: stroke-dashoffset 1s var(--ease), stroke .25s var(--ease);
}
.nexus.in-view .nline{ stroke-dashoffset: 0; }
.nline.active{ stroke: var(--camel); stroke-width: 2; }

.nexus-core{
  position:absolute; left:50%; top:50%; transform: translate(-50%,-50%);
  width: 92px; height:92px; border-radius:50%;
  background: var(--camel);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--mono); font-weight:600; letter-spacing:0.06em; color: var(--navy);
  box-shadow: 0 0 0 1px rgba(250,248,244,0.25), 0 20px 40px rgba(0,0,0,0.35);
}

.nnode{
  position:absolute; transform: translate(-50%,-50%);
  width: 132px; padding: 14px 10px;
  background: var(--navy-2);
  border: 1px solid rgba(250,248,244,0.18);
  color: var(--paper); text-align:center;
  font-family: var(--body); font-size: 0.82rem; font-weight:600; line-height:1.25;
  border-radius: var(--radius); cursor:pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.nnode-tag{
  display:block; font-family: var(--mono); font-size:0.62rem; color: var(--camel);
  letter-spacing:0.1em; margin-bottom:4px;
}
.nnode:hover{ border-color: var(--camel); transform: translate(-50%,-50%) translateY(-2px); }
.nnode.active{ background: var(--camel); color: var(--navy); border-color: var(--camel); }
.nnode.active .nnode-tag{ color: var(--navy-2); }

.nexus-detail{
  background: rgba(250,248,244,0.05);
  border: 1px solid rgba(250,248,244,0.18);
  padding: 40px 36px; border-radius: var(--radius);
  min-height: 260px;
}
.detail-tag{
  display:inline-block; font-family: var(--mono); font-size:0.72rem; color: var(--camel);
  letter-spacing:0.1em; margin-bottom: 14px;
}
.nexus-detail h3{ color: var(--paper); }
.nexus-detail p{ color: rgba(250,248,244,0.75); margin:0; }

/* =========================================================
   VISIÓN ESTRATÉGICA
   ========================================================= */
.vision{ background: var(--stone); }
.vision-inner{ max-width: 900px; }
.vision-statement{
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.8vw, 2.15rem);
  font-weight: 500;
  color: var(--navy);
  text-align: left;
  line-height: 1.32;
  margin-bottom: 0.7em;
}
.vision-sub{
  max-width: 62ch;
  font-size: 1.02rem;
}

/* =========================================================
   ENFOQUE
   ========================================================= */
.approach-grid{
  margin-top: 48px;
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
.approach-card{
  padding: 32px 28px; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff;
}
.approach-index{
  font-family: var(--mono); font-size:0.7rem; text-transform:uppercase; letter-spacing:.1em;
  color: var(--camel-dark); display:block; margin-bottom: 18px;
}

/* =========================================================
   CLIENTS MARQUEE
   ========================================================= */
.clients{ padding-bottom: 70px; }
.clients-marquee{
  margin-top: 40px; overflow:hidden;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.clients-track{
  display:flex; gap: 56px; list-style:none; margin:0; padding: 26px 0;
  white-space: nowrap; width:max-content;
  animation: scroll-left 42s linear infinite;
  font-family: var(--display); font-size: 1.15rem; color: var(--navy); font-weight: 500;
}
@keyframes scroll-left{
  from{ transform: translateX(0); }
  to{ transform: translateX(-100%); }
}
@media (prefers-reduced-motion: reduce){
  .clients-track{ animation: none; overflow-x: auto; }
}

/* =========================================================
   OFFICES
   ========================================================= */
.offices-grid{
  margin-top: 48px;
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.office-card{ background: var(--paper); padding: 36px 30px; }
.office-index{
  font-family: var(--display); font-size:1.4rem; color: var(--camel-dark); display:block; margin-bottom:10px;
}
.office-address{
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.02em;
  color: var(--ink-soft); text-align: left; margin-bottom: 1.1em;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact{ background: var(--stone); }
.contact-grid{
  display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; align-items:start;
}
.contact-info h2{ max-width: 16ch; }
.contact-list{ list-style:none; margin: 32px 0 0; padding:0; display:flex; flex-direction:column; gap: 22px; }
.contact-list a{ text-decoration:none; }
.contact-list a:hover{ color: var(--camel-dark); }
.contact-label{
  display:block; font-family: var(--mono); font-size:0.68rem; text-transform:uppercase;
  letter-spacing:.1em; color: var(--ink-soft); margin-bottom: 4px;
}
.contact-list li{ font-size: 1.15rem; font-family: var(--display); color: var(--navy); }

.contact-form{
  background: var(--paper); padding: 40px; border: 1px solid var(--line); border-radius: var(--radius);
  display:flex; flex-direction:column; gap: 20px;
}
.field{ display:flex; flex-direction:column; gap: 8px; }
.field label{ font-size: 0.82rem; font-weight:600; color: var(--navy); }
.field input, .field select, .field textarea{
  font-family: var(--body); font-size: 0.95rem; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: var(--radius); background:#fff; color: var(--ink);
}
.field select{
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 7l5 6 5-6' fill='none' stroke='%2355534E' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 16px;
  padding-right: 38px; cursor: pointer;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--camel-dark); outline:none; }
.form-note{ font-size: 0.78rem; color: var(--ink-soft); margin:0; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background: var(--navy); color: rgba(250,248,244,0.7); padding: 48px 0; }
.footer-inner{
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap: 24px;
}
.brand-footer{ color: var(--paper); }
.brand-footer .brand-logo{ height: 26px; }
.footer-nav{ display:flex; gap: 24px; flex-wrap:wrap; }
.footer-nav a{ text-decoration:none; font-size:0.88rem; color: rgba(250,248,244,0.75); }
.footer-nav a:hover{ color: var(--camel); }
.footer-legal{ margin:0; font-size:0.78rem; width:100%; text-align:center; color: rgba(250,248,244,0.5); }

/* =========================================================
   RESPONSIVE
   Puntos de quiebre pensados para: escritorio (>1180px),
   iPad landscape / laptop pequeña (1024–1180px), iPad portrait
   (768–1023px), teléfonos grandes (480–767px) y teléfonos
   pequeños (<480px).
   ========================================================= */

/* iPad landscape y pantallas medianas: el header ya se siente
   apretado con 6 enlaces + CTA, así que el menú móvil entra
   antes que las cuadrículas de contenido. */
@media (max-width: 1100px){
  .main-nav{
    position: fixed; top: 78px; left: 0; right: 0;
    height: calc(100vh - 78px);
    height: calc(100dvh - 78px);
    background: var(--paper);
    flex-direction:column; align-items:flex-start; padding: 32px 28px; gap: 22px;
    transform: translateX(100%); transition: transform .3s var(--ease);
    overflow-y: auto; -webkit-overflow-scrolling: touch;
  }
  .main-nav.open{ transform: translateX(0); }
  .nav-toggle{ display:flex; }
}

/* iPad portrait y pantallas medianas: las cuadrículas de dos
   bloques pasan a una columna, pero enfoque/oficinas conservan
   2 columnas en vez de saltar directo a 1 (se ve mejor en un
   iPad que una sola tarjeta ancha). */
@media (max-width: 980px){
  .about-grid, .contact-grid{ grid-template-columns: 1fr; gap: 36px; }
  .nexus-layout{ grid-template-columns: 1fr; }
  .approach-grid{ grid-template-columns: repeat(2, 1fr); }
  .offices-grid{ grid-template-columns: repeat(2, 1fr); }
  .hero-figure{ width: 90vw; right:-30%; }
  .wrap{ padding: 0 24px; }
}

/* Teléfonos grandes: aquí sí conviene una sola columna en todo. */
@media (max-width: 640px){
  .approach-grid{ grid-template-columns: 1fr; }
  .offices-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .section{ padding: 64px 0; }
  .hero{ padding: 56px 0 56px; }
  .hero-actions{ flex-direction:column; }
  .nnode{ width: 104px; font-size: 0.72rem; padding: 10px 8px; }
  .nexus-core{ width:70px; height:70px; font-size:0.78rem; }
  .contact-form{ padding: 26px; }
}

@media (max-width: 480px){
  .wrap{ padding: 0 18px; }
  .nnode{ width: 92px; font-size: 0.66rem; padding: 8px 6px; }
  .clients-track{ gap: 36px; font-size: 1rem; }
  .approach-card, .office-card{ padding: 26px 22px; }
}