/* ECOM SPIDER LLC — design system
   Paleta propia: negro + ambar + violeta. No reusa la identidad de Nexo Ecom AI. */

:root {
  --bg:            #0A0A0B;
  --surface:       #121214;
  --surface-2:     #17171A;
  --border:        rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text:          #F2F0EC;
  --text-muted:    #A3A3AD;
  --text-dim:      #6E6E78;

  --amber:         #FF6B2C;
  --amber-soft:    #FF8A57;
  --violet:        #7C5CFF;
  --violet-soft:   #9B85FF;

  --max:    1180px;
  --radius: 14px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; }

/* ---------- layout ---------- */

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

section { padding: 88px 0; }
section.tight { padding: 60px 0; }

.rule { height: 1px; background: var(--border); border: 0; margin: 0; }

/* ---------- typography ---------- */

h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.15; letter-spacing: -0.022em; font-weight: 600; }

h1 { font-size: clamp(2.4rem, 5.4vw, 3.9rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); letter-spacing: -0.028em; }
h3 { font-size: 1.16rem; }
h4 { font-size: 1rem; }

p { margin: 0 0 1.1em; color: var(--text-muted); }
p.lead { font-size: clamp(1.06rem, 1.9vw, 1.25rem); color: var(--text-muted); max-width: 62ch; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.735rem; font-weight: 600; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--amber); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 20px; height: 1px; background: var(--amber); }

.section-head { max-width: 66ch; margin-bottom: 52px; }
.muted { color: var(--text-muted); }
.dim   { color: var(--text-dim); }

/* ---------- header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 10, 11, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; flex-shrink: 0; }
.brand-mark { width: 30px; height: 30px; flex-shrink: 0; }
.brand-name {
  font-weight: 650; font-size: 1.03rem; letter-spacing: -0.02em;
}
.brand-name span { color: var(--amber); }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  text-decoration: none; font-size: 0.925rem; color: var(--text-muted);
  transition: color 0.16s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }

/* min 44px de alto: es el control mas tocado del sitio en movil */
.nav-toggle {
  display: none; background: none; border: 1px solid var(--border-strong);
  border-radius: 9px; color: var(--text); padding: 0 16px; cursor: pointer;
  font-size: 0.9rem; min-height: 44px; font-family: inherit;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 22px; border-radius: 10px; font-size: 0.94rem; font-weight: 550;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--amber); color: #160A03; font-weight: 600; }
.btn-primary:hover { background: var(--amber-soft); transform: translateY(-1px); }

.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--text-dim); background: rgba(255,255,255,0.035); transform: translateY(-1px); }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* ---------- hero ---------- */

.hero { position: relative; padding: 104px 0 84px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(680px 420px at 78% 8%,  rgba(255, 107, 44, 0.15), transparent 68%),
    radial-gradient(560px 400px at 12% 88%, rgba(124, 92, 255, 0.13), transparent 66%);
}
.hero > .wrap { position: relative; z-index: 1; }
.hero h1 { max-width: 17ch; }
.hero p.lead { max-width: 56ch; }

.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: center;
}
.hero-visual { position: relative; }

/* ---------- stat strip ---------- */

.strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--surface); }
.strip-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip-item { padding: 26px 24px; border-right: 1px solid var(--border); }
.strip-item:last-child { border-right: 0; }
.strip-item .k {
  font-size: 0.72rem; letter-spacing: 0.11em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 5px;
}
.strip-item .v { font-size: 0.98rem; font-weight: 550; color: var(--text); }

/* ---------- cards ---------- */

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}
.card:hover { border-color: var(--border-strong); transform: translateY(-2px); background: var(--surface-2); }
.card h3 { margin-bottom: 9px; }
.card p { margin-bottom: 0; font-size: 0.94rem; }

.card-num {
  font-family: var(--mono); font-size: 0.74rem; font-weight: 600;
  color: var(--amber); letter-spacing: 0.08em; margin-bottom: 16px; display: block;
}

.card-icon {
  width: 40px; height: 40px; border-radius: 10px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: rgba(255, 107, 44, 0.11); border: 1px solid rgba(255, 107, 44, 0.24);
}
.card-icon svg { width: 19px; height: 19px; stroke: var(--amber); fill: none; stroke-width: 1.7; }
.card-icon.v { background: rgba(124, 92, 255, 0.11); border-color: rgba(124, 92, 255, 0.24); }
.card-icon.v svg { stroke: var(--violet-soft); }

.tick-list { list-style: none; padding: 0; margin: 18px 0 0; }
.tick-list li {
  position: relative; padding-left: 24px; margin-bottom: 9px;
  font-size: 0.905rem; color: var(--text-muted); line-height: 1.55;
}
.tick-list li::before {
  content: ""; position: absolute; left: 4px; top: 8px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--amber);
}
.tick-list.v li::before { background: var(--violet-soft); }

/* ---------- process steps ---------- */

.steps { display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: 88px 1fr; gap: 32px;
  padding: 34px 0; border-top: 1px solid var(--border);
}
.step:last-child { border-bottom: 1px solid var(--border); }
.step-n {
  font-family: var(--mono); font-size: 2rem; font-weight: 600;
  color: var(--border-strong); line-height: 1;
}
.step h3 { margin-bottom: 8px; }
.step p { margin-bottom: 0; }

/* ---------- case study ---------- */

.case {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column;
}
.case-tag {
  display: inline-block; align-self: flex-start; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.09em; text-transform: uppercase; color: var(--violet-soft);
  background: rgba(124, 92, 255, 0.11); border: 1px solid rgba(124, 92, 255, 0.22);
  padding: 4px 10px; border-radius: 999px; margin-bottom: 16px;
}
.case h3 { font-size: 1.05rem; }
.case-metrics {
  display: flex; flex-wrap: wrap; gap: 26px; margin-top: 20px;
  padding-top: 20px; border-top: 1px solid var(--border);
}
.case-metric .m-v { font-size: 1.4rem; font-weight: 650; color: var(--amber); letter-spacing: -0.02em; }
.case-metric .m-k { font-size: 0.76rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.07em; }

.quote {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 2px solid var(--amber); border-radius: var(--radius);
  padding: 28px;
}
.quote p { color: var(--text); font-size: 1rem; margin-bottom: 16px; }
.quote footer { font-size: 0.86rem; color: var(--text-dim); }

/* placeholder para contenido real pendiente */
.pending {
  border: 1px dashed rgba(255, 107, 44, 0.42);
  background: rgba(255, 107, 44, 0.05);
  border-radius: var(--radius); padding: 22px 26px;
}
.pending .tag {
  font-family: var(--mono); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  color: var(--amber); text-transform: uppercase; display: block; margin-bottom: 8px;
}
.pending p { margin-bottom: 0; font-size: 0.9rem; }

/* ---------- FAQ ---------- */

.faq-item { border-top: 1px solid var(--border); padding: 26px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--border); }
.faq-item h3 { margin-bottom: 10px; }
.faq-item p:last-child { margin-bottom: 0; }

/* ---------- compliance ---------- */

.compliance {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.comp-item {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; background: var(--surface);
}
.comp-item h4 { font-size: 0.94rem; margin-bottom: 7px; display: flex; align-items: center; gap: 8px; }
.comp-item h4 svg { width: 15px; height: 15px; stroke: var(--amber); fill: none; stroke-width: 2; flex-shrink: 0; }
.comp-item p { font-size: 0.855rem; margin-bottom: 0; line-height: 1.55; }

/* ---------- CTA ---------- */

.cta {
  position: relative; overflow: hidden;
  border: 1px solid var(--border); border-radius: 20px;
  background: var(--surface); padding: 62px 48px; text-align: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(520px 300px at 22% 0%,  rgba(255, 107, 44, 0.15), transparent 66%),
    radial-gradient(520px 300px at 80% 100%, rgba(124, 92, 255, 0.14), transparent 66%);
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { max-width: 20ch; margin-left: auto; margin-right: auto; }
.cta p { max-width: 54ch; margin-left: auto; margin-right: auto; }
.cta .btn-row { justify-content: center; }

/* ---------- forms ---------- */

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.855rem; font-weight: 550; color: var(--text); }
.field .req { color: var(--amber); }

.field input, .field select, .field textarea {
  width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 12px 14px; font-size: 0.94rem; font-family: inherit;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 107, 44, 0.16);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-dim); }
.field select { appearance: none; cursor: pointer; }

.form-note { font-size: 0.83rem; color: var(--text-dim); margin-top: 16px; }
.form-status { margin-top: 16px; font-size: 0.9rem; display: none; }
.form-status.ok   { display: block; color: #4ADE80; }
.form-status.err  { display: block; color: #F87171; }

/* ---------- contact detail ---------- */

.contact-block { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 26px; }
.contact-row { padding: 16px 0; border-bottom: 1px solid var(--border); }
.contact-row:first-child { padding-top: 0; }
.contact-row:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-row .k {
  font-size: 0.72rem; letter-spacing: 0.11em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 5px;
}
.contact-row .v { font-size: 0.96rem; color: var(--text); }
.contact-row .v a { color: var(--amber); text-decoration: none; }
.contact-row .v a:hover { text-decoration: underline; }
.contact-row address { font-style: normal; line-height: 1.6; }

/* ---------- legal ---------- */

.legal { max-width: 78ch; }
.legal h2 { font-size: 1.42rem; margin-top: 44px; }
.legal h3 { font-size: 1.02rem; margin-top: 28px; }
.legal p, .legal li { font-size: 0.945rem; color: var(--text-muted); }
.legal ul { padding-left: 20px; }
.legal li { margin-bottom: 8px; }
.legal a { color: var(--amber); }
.legal .updated {
  font-size: 0.85rem; color: var(--text-dim); padding: 14px 18px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface);
  display: inline-block;
}

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--border); background: var(--surface); padding: 58px 0 30px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 42px; }
.footer-col h4 {
  font-size: 0.73rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 16px; font-weight: 600;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { text-decoration: none; color: var(--text-muted); font-size: 0.9rem; transition: color 0.16s ease; }
.footer-col a:hover { color: var(--text); }
.footer-about p { font-size: 0.89rem; max-width: 34ch; margin-top: 14px; }
.footer-about address { font-style: normal; font-size: 0.85rem; color: var(--text-dim); line-height: 1.6; margin-top: 14px; }

.footer-bottom {
  margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.83rem; color: var(--text-dim); margin: 0; }
.footer-legal-name { font-size: 0.83rem; color: var(--text-dim); }

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 380px; margin: 0 auto; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .strip-inner { grid-template-columns: repeat(2, 1fr); }
  .strip-item:nth-child(2) { border-right: 0; }
  .strip-item:nth-child(1), .strip-item:nth-child(2) { border-bottom: 1px solid var(--border); }
  .compliance { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  section { padding: 62px 0; }
  .hero { padding: 68px 0 56px; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 24px 18px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 0.98rem; }
  .nav-links a:last-child { border-bottom: 0; }
  .nav-links .btn { margin-top: 12px; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .step { grid-template-columns: 1fr; gap: 10px; }
  .step-n { font-size: 1.5rem; }
  .cta { padding: 44px 26px; }
  .strip-inner { grid-template-columns: 1fr; }
  .strip-item { border-right: 0; border-bottom: 1px solid var(--border); }
  .strip-item:last-child { border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* focus visible para accesibilidad */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--amber); outline-offset: 2px; border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--amber); color: #160A03;
  padding: 10px 16px; z-index: 100; border-radius: 0 0 8px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }