/* ============================================================
   HULLER GROUP — Comercio exterior y logística China ↔ Latam
   Hoja de estilos principal
   Paleta: azul-noche profundo + naranja de marca (acento único)
   Tipografía: Space Grotesk (display) + Inter (texto)
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg:          #090D15;
  --bg-2:        #0C1220;
  --surface:     #121A2A;
  --surface-2:   #172134;
  --border:      rgba(255, 255, 255, .09);
  --border-str:  rgba(255, 255, 255, .16);

  --ink:         #F3F6FB;
  --muted:       #93A1B7;
  --muted-2:     #8A97AC;

  --accent:      #FF6A1A;
  --accent-2:    #FF8B47;
  --accent-soft: rgba(255, 106, 26, .12);
  --accent-ink:  #0A0E16;
  --accent-on-light: #A8420A; /* naranja accesible sobre fondos claros (WCAG AA) */

  --light:       #F4F6FA;
  --light-2:     #EAEEF4;
  --light-ink:   #0E1626;
  --light-muted: #55627A;
  --light-border:#DDE3EC;

  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 16px;
  --radius-sm: 10px;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reset base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 0;
}

::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.section { padding-block: clamp(64px, 9vw, 128px); position: relative; }
.section--light { background: var(--light); color: var(--light-ink); }
.section--surface { background: var(--bg-2); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 20px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 3px;
  background: var(--accent);
  transform: skewX(-24deg);
}
.section--light .eyebrow { color: var(--accent-on-light); }

.section-head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-title { font-size: clamp(30px, 4.4vw, 52px); }
.section-lead {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--muted);
  margin-top: 20px;
  max-width: 640px;
}
.section--light .section-lead { color: var(--light-muted); }

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: var(--pad-y) 24px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -.01em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn--primary { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn--primary:hover { background: var(--accent-2); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--border-str); }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.section--light .btn--ghost { color: var(--light-ink); border-color: var(--light-border); }
.section--light .btn--ghost:hover { border-color: var(--light-ink); }
.btn--lg { --pad-y: 18px; font-size: 16px; padding-inline: 32px; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(9, 13, 21, .82);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 76px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 42px; width: 42px; object-fit: cover; border-radius: 9px; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .01em;
}
.brand-name b { color: var(--accent); font-weight: 700; }

.nav { display: flex; align-items: center; gap: 34px; }
.nav a {
  font-size: 15px;
  color: var(--muted);
  transition: color .2s var(--ease);
  position: relative;
}
.nav a:hover { color: var(--ink); }
.header-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; padding: 10px;
  color: var(--ink);
}
.nav-toggle span { display: block; height: 2px; background: currentColor; margin: 5px 0; border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(120px, 17vw, 190px);
  padding-bottom: clamp(60px, 8vw, 96px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1100px 600px at 78% 8%, rgba(255,106,26,.14), transparent 60%),
    radial-gradient(900px 700px at 10% 90%, rgba(38,74,128,.28), transparent 62%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero-copy { max-width: 640px; }
.hero h1 {
  font-size: clamp(38px, 6vw, 76px);
  font-weight: 700;
  letter-spacing: -.03em;
}
.hero h1 .accent { color: var(--accent); }
.hero-sub {
  font-size: clamp(17px, 1.7vw, 20px);
  color: var(--muted);
  margin-top: 26px;
  max-width: 560px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.hero-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 28px;
  margin-top: 48px;
  padding-top: 34px;
  border-top: 1px solid var(--border);
  max-width: 560px;
}
.hero-tag { display: flex; align-items: center; gap: 11px; font-size: 14.5px; color: var(--ink); }
.hero-tag svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }

/* Signature: trade-lane panel */
.lane {
  position: relative;
  aspect-ratio: 1 / 1.02;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, var(--surface), var(--bg-2));
  overflow: hidden;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.8);
}
.lane::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 50% 45%, #000 55%, transparent 100%);
  opacity: .5;
}
.lane svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.lane-node {
  position: absolute;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 2;
}
.lane-node .dot {
  width: 14px; height: 14px; border-radius: 50%;
  margin: 0 auto 10px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(255,106,26,.16);
}
.lane-node.origin { top: 26%; left: 30%; }
.lane-node.dest   { top: 74%; left: 70%; }
.lane-node .place { font-family: var(--font-display); font-weight: 600; font-size: 15px; }
.lane-node .role { font-size: 12px; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.lane-badge {
  position: absolute;
  left: 22px; bottom: 20px; right: 22px;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: rgba(9,13,21,.72);
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(6px);
  z-index: 3;
}
.lane-badge svg { position: static; width: 26px; height: 26px; color: var(--accent); }
.lane-badge span { font-size: 13.5px; color: var(--muted); }
.lane-badge b { color: var(--ink); font-weight: 600; }

.flow-path { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 7 9; opacity: .85; animation: flow 2.6s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -160; } }
.flow-ghost { fill: none; stroke: rgba(255,255,255,.14); stroke-width: 2; }

/* ---------- Riesgos ---------- */
.risk-band {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -.01em;
  max-width: 900px;
}
.risk-band .hl { color: var(--accent); }
.risk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin-top: clamp(40px, 5vw, 60px);
}
.risk {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.risk svg { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.risk p { margin: 0; font-size: 15px; color: var(--muted); }
.risk b { color: var(--ink); font-weight: 600; display: block; font-family: var(--font-display); margin-bottom: 3px; }

/* ---------- Servicios por etapas ---------- */
.stages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stage {
  background: #fff;
  border: 1px solid var(--light-border);
  border-radius: var(--radius);
  padding: 30px;
  display: flex; flex-direction: column;
}
.stage-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--accent-on-light);
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 18px;
}
.stage-num::before { content: ""; width: 22px; height: 3px; background: var(--accent); transform: skewX(-24deg); }
.stage h3 { font-size: 22px; color: var(--light-ink); margin-bottom: 6px; }
.stage-desc { font-size: 14px; color: var(--light-muted); margin: 0 0 20px; }
.stage ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.stage li { display: flex; gap: 11px; align-items: flex-start; font-size: 15px; color: #3A465C; }
.stage li svg { width: 19px; height: 19px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.stages-foot { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.stages-foot p { margin: 0; font-size: 15px; color: var(--light-muted); }

/* ---------- Presencia en China ---------- */
.china-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.china-media { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.china-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3.4; }
.china-media .stamp {
  position: absolute; left: 18px; bottom: 18px;
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px;
  background: rgba(9,13,21,.78);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  font-size: 13.5px;
}
.china-media .stamp svg { width: 18px; height: 18px; color: var(--accent); }
.china-list { list-style: none; margin: 26px 0 0; padding: 0; display: flex; flex-direction: column; gap: 18px; }
.china-list li { display: flex; gap: 14px; align-items: flex-start; }
.china-list svg { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.china-list b { font-family: var(--font-display); display: block; font-size: 16px; margin-bottom: 2px; }
.china-list span { font-size: 14.5px; color: var(--muted); }

/* ---------- Proceso ---------- */
.steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.step { background: var(--bg-2); padding: 30px clamp(24px, 3vw, 38px); position: relative; }
.step-n {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 42px;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255,120,40,.9);
  line-height: 1;
  margin-bottom: 14px;
}
.step h3 { font-size: 19px; margin-bottom: 8px; }
.step p { margin: 0; font-size: 14.5px; color: var(--muted); }

/* ---------- Entregables ---------- */
.deliver-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.deliver {
  display: flex; align-items: center; gap: 13px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
}
.deliver svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }
.note {
  margin-top: 26px; padding: 16px 20px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14.5px; color: var(--muted);
}

/* ---------- Transparencia comercial ---------- */
.trust-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  background: linear-gradient(155deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(28px, 4vw, 52px);
}
.trust-panel .lead-quote {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: -.01em;
}
.trust-panel .lead-quote .hl { color: var(--accent); }
.trust-panel .sub { margin-top: 18px; color: var(--muted); font-size: 15.5px; }
.trust-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.trust-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: var(--ink); }
.trust-list svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.trust-list span { color: var(--muted); }

/* ---------- Rutas de contacto segmentadas ---------- */
.routes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: clamp(32px, 4vw, 48px);
}
.route {
  display: flex; flex-direction: column; gap: 12px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
  text-align: left;
  color: var(--ink);
  font-family: var(--font-body);
}
.route h4 { color: var(--ink); }
.route:hover { transform: translateY(-3px); border-color: var(--accent); background: var(--surface-2); }
.route .ic { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); display: grid; place-items: center; }
.route .ic svg { width: 21px; height: 21px; color: var(--accent); }
.route h4 { font-family: var(--font-display); font-weight: 500; font-size: 16px; margin: 0; }
.route .go { display: flex; align-items: center; gap: 7px; margin-top: auto; font-size: 13px; color: var(--muted); }
.route .go svg { width: 15px; height: 15px; color: var(--accent); }

/* Compromiso de respuesta */
.commit {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 22px;
  padding: 10px 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(255,106,26,.28);
  border-radius: 999px;
  font-size: 13.5px; color: var(--ink);
}
.commit svg { width: 17px; height: 17px; color: var(--accent); flex-shrink: 0; }

/* ---------- Diferenciales ---------- */
.diffs { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.diff { padding: 28px; border: 1px solid var(--light-border); border-radius: var(--radius); background: #fff; }
.diff .ic { width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); display: grid; place-items: center; margin-bottom: 18px; }
.diff .ic svg { width: 24px; height: 24px; color: var(--accent-on-light); }
.diff h3 { font-size: 19px; color: var(--light-ink); margin-bottom: 8px; }
.diff p { margin: 0; font-size: 14.5px; color: var(--light-muted); }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 860px; }
.faq { border-top: 1px solid var(--border); }
.faq:last-child { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 24px 4px;
  font-family: var(--font-display); font-weight: 500; font-size: clamp(16px, 1.8vw, 19px);
  color: var(--ink);
}
.faq-q .plus { position: relative; width: 20px; height: 20px; flex-shrink: 0; }
.faq-q .plus::before, .faq-q .plus::after { content: ""; position: absolute; background: var(--accent); border-radius: 2px; transition: transform .3s var(--ease); }
.faq-q .plus::before { top: 9px; left: 0; width: 20px; height: 2px; }
.faq-q .plus::after { left: 9px; top: 0; width: 2px; height: 20px; }
.faq-q[aria-expanded="true"] .plus::after { transform: scaleY(0); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height .35s var(--ease); }
.faq-a p { margin: 0 0 24px; padding-right: 40px; color: var(--muted); font-size: 15.5px; }

/* ---------- Contacto ---------- */
.contact { background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.contact-info h2 { font-size: clamp(28px, 3.6vw, 44px); }
.contact-info .section-lead { margin-top: 18px; }
.contact-lines { list-style: none; margin: 34px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.contact-lines li { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.contact-lines svg { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; }
.contact-lines .k { font-size: 12.5px; color: var(--muted-2); text-transform: uppercase; letter-spacing: .1em; display: block; }
.contact-lines .v { font-size: 16px; color: var(--ink); font-family: var(--font-display); }

.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(24px, 3vw, 36px); }
.form-card h3 { font-size: 22px; margin-bottom: 6px; }
.form-card .hint { font-size: 14px; color: var(--muted); margin: 0 0 24px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 7px; font-weight: 500; }
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-str);
  border-radius: 10px;
  padding: 13px 15px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); background: var(--surface-2); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2393A1B7' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; padding-right: 40px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-alt { text-align: center; margin-top: 16px; font-size: 13.5px; color: var(--muted-2); }
.form-alt a { color: var(--accent-2); }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg); border-top: 1px solid var(--border); padding-block: clamp(48px, 6vw, 72px) 32px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer-brand img { height: 46px; width: 46px; border-radius: 10px; object-fit: cover; margin-bottom: 18px; }
.footer-brand p { color: var(--muted); font-size: 14.5px; max-width: 320px; margin: 0; }
.footer-col h4 { font-family: var(--font-display); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 18px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.footer-col a, .footer-col span { font-size: 14.5px; color: var(--muted); transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--accent-2); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); }
.footer-bottom p { margin: 0; font-size: 13px; color: var(--muted-2); }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 20px 14px 16px;
  background: #25D366; color: #06341A;
  border-radius: 999px;
  font-family: var(--font-display); font-weight: 600; font-size: 14.5px;
  box-shadow: 0 16px 40px -12px rgba(37,211,102,.5);
  transition: transform .25s var(--ease);
}
.wa-float:hover { transform: translateY(-3px) scale(1.02); }
.wa-float svg { width: 24px; height: 24px; }
.wa-float .lbl { display: inline; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .lane { max-width: 460px; margin-inline: auto; order: -1; }
  .china-grid { grid-template-columns: 1fr; }
  .china-media { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .stages { grid-template-columns: 1fr; }
  .trust-panel { grid-template-columns: 1fr; }
  .routes { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .nav, .header-cta .btn--ghost { display: none; }
  .nav-toggle { display: block; }
  .nav.is-open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
    position: absolute; top: 76px; left: 0; right: 0;
    background: rgba(9,13,21,.97); backdrop-filter: blur(14px);
    padding: 16px var(--gutter) 24px;
    border-bottom: 1px solid var(--border);
  }
  .nav.is-open a { padding: 12px 0; font-size: 17px; width: 100%; border-bottom: 1px solid var(--border); }
  .steps { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .hero-tags { grid-template-columns: 1fr; }
  .routes { grid-template-columns: 1fr; }
  .wa-float .lbl { display: none; }
  .wa-float { padding: 15px; }
  .footer-top { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  /* En pantallas muy chicas el CTA del header no entra: lo cubre el botón flotante de WhatsApp */
  .header-cta .btn--primary { display: none; }
}