/* ============================================================
   DIRECTA — directaboard.com
   Tema oscuro basado en la marca: #0B0F14 + cian #22D3EE/#06B6D4
   ============================================================ */

:root {
  --bg: #0B0F14;
  --bg-soft: #0F141B;
  --surface: #131A23;
  --surface-2: #1A2230;
  --border: #1F2937;
  --border-soft: #273244;
  --text: #E7EDF4;
  --text-muted: #9AA7B8;
  --text-faint: #64748B;
  --cyan: #22D3EE;
  --cyan-deep: #06B6D4;
  --cyan-glow: rgba(34, 211, 238, 0.15);
  --nav-bg: rgba(11, 15, 20, 0.85);
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --max-w: 1140px;
}

/* Modo claro */
html[data-theme="light"] {
  --bg: #F6F9FC;
  --bg-soft: #EDF2F8;
  --surface: #FFFFFF;
  --surface-2: #E7EDF5;
  --border: #DCE4EE;
  --border-soft: #C8D4E2;
  --text: #0B1520;
  --text-muted: #46586C;
  --text-faint: #78899B;
  --cyan: #0E7490;
  --cyan-deep: #0891B2;
  --cyan-glow: rgba(8, 145, 178, 0.12);
  --nav-bg: rgba(246, 249, 252, 0.88);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none !important; }
.brand img { height: 36px; width: 36px; }
.brand span {
  font-weight: 800; letter-spacing: 3px; font-size: 1.05rem; color: var(--text);
}
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
  color: var(--text-muted); font-size: 0.92rem; font-weight: 500;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.lang-switch {
  border: 1px solid var(--border-soft); border-radius: 999px;
  padding: 4px 12px; font-size: 0.8rem; color: var(--text-muted) !important;
}
.lang-switch:hover { border-color: var(--cyan-deep); color: var(--cyan) !important; }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.6rem; cursor: pointer; }
.theme-toggle {
  background: none; border: 1px solid var(--border-soft); border-radius: 999px;
  width: 34px; height: 34px; cursor: pointer; font-size: 0.95rem; line-height: 1;
  color: var(--text); margin-left: 14px; flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--cyan-deep); }
html[data-theme="light"] .chat-mock { box-shadow: 0 24px 60px rgba(15, 35, 60, 0.15); }
html[data-theme="light"] .bubble.ai { background: rgba(8, 145, 178, 0.07); border-color: rgba(8, 145, 178, 0.25); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 13px 28px; border-radius: 999px;
  font-weight: 600; font-size: 0.95rem; cursor: pointer; border: none;
  transition: transform .15s ease, box-shadow .15s ease;
  text-decoration: none !important;
}
.btn-primary {
  background: linear-gradient(135deg, #22D3EE, #06B6D4);
  color: #04212A;
  box-shadow: 0 0 24px var(--cyan-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 32px rgba(34,211,238,.35); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border-soft);
}
.btn-ghost:hover { border-color: var(--cyan-deep); color: var(--cyan); }
.btn-sm { padding: 9px 20px; font-size: 0.85rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 96px 0 80px;
  background:
    radial-gradient(ellipse 60% 50% at 70% 10%, rgba(6,182,212,.10), transparent),
    radial-gradient(ellipse 50% 40% at 20% 90%, rgba(34,211,238,.06), transparent);
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 600; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--cyan);
  border: 1px solid rgba(34,211,238,.3); border-radius: 999px; padding: 6px 16px;
  margin-bottom: 22px; background: rgba(34,211,238,.06);
}
h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 800; line-height: 1.12;
  letter-spacing: -0.5px; margin-bottom: 20px;
}
h1 .accent {
  background: linear-gradient(90deg, var(--cyan), var(--cyan-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 1.13rem; color: var(--text-muted); margin-bottom: 32px; max-width: 540px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-note { font-size: 0.82rem; color: var(--text-faint); }

/* Chat mock */
.chat-mock {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 22px;
  box-shadow: 0 24px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(34,211,238,.05);
}
.chat-mock .chat-head {
  display: flex; align-items: center; gap: 10px; padding-bottom: 14px;
  border-bottom: 1px solid var(--border); margin-bottom: 16px;
}
.chat-mock .chat-head img { width: 26px; height: 26px; }
.chat-mock .chat-head strong { font-size: 0.9rem; letter-spacing: 1.5px; }
.chat-mock .chat-head em { font-size: 0.72rem; color: var(--cyan); font-style: normal; margin-left: auto; }
.bubble { max-width: 88%; padding: 12px 16px; border-radius: 14px; font-size: 0.88rem; margin-bottom: 12px; }
.bubble.user { background: var(--surface-2); margin-left: auto; border-bottom-right-radius: 4px; color: var(--text); }
.bubble.ai { background: rgba(6,182,212,.09); border: 1px solid rgba(34,211,238,.18); border-bottom-left-radius: 4px; color: var(--text); }
.bubble.ai .src { display: block; margin-top: 8px; font-size: 0.72rem; color: var(--cyan); }

/* ---------- Stats bar ---------- */
.stats { border-block: 1px solid var(--border); background: var(--bg-soft); padding: 40px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; text-align: center; }
.stat b { display: block; font-size: 2.3rem; font-weight: 800; color: var(--cyan); letter-spacing: -1px; }
.stat span { font-size: 0.9rem; color: var(--text-muted); }

/* ---------- Sections ---------- */
section { padding: 88px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 800; letter-spacing: -0.5px; margin-bottom: 14px; }
.section-head p { color: var(--text-muted); font-size: 1.05rem; }

/* Feature cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: rgba(34,211,238,.35); transform: translateY(-3px); }
.card .icon {
  width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center;
  justify-content: center; font-size: 1.3rem; margin-bottom: 18px;
  background: rgba(34,211,238,.1); border: 1px solid rgba(34,211,238,.2);
}
.card h3 { font-size: 1.08rem; margin-bottom: 10px; font-weight: 700; }
.card p { font-size: 0.92rem; color: var(--text-muted); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step {
  position: relative; background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px 28px;
}
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: -16px; left: 24px;
  background: linear-gradient(135deg, #22D3EE, #06B6D4); color: #04212A;
  font-weight: 800; font-size: 0.85rem; padding: 5px 14px; border-radius: 999px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 10px; }
.step p { font-size: 0.92rem; color: var(--text-muted); }

/* Agents strip */
.agents-strip { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 36px; }
.agent-pill {
  font-size: 0.82rem; color: var(--text-muted);
  border: 1px solid var(--border-soft); border-radius: 999px; padding: 7px 16px;
  background: var(--surface);
}
.agent-pill b { color: var(--cyan); font-weight: 600; }

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; max-width: 900px; margin: 0 auto; }
.plan {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px 32px; display: flex; flex-direction: column;
}
.plan.featured {
  border-color: rgba(34,211,238,.45);
  background: linear-gradient(180deg, rgba(34,211,238,.06), var(--surface) 40%);
  box-shadow: 0 0 48px rgba(34,211,238,.08);
}
.plan .tag {
  align-self: flex-start; font-size: 0.72rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--cyan); background: rgba(34,211,238,.1);
  border-radius: 999px; padding: 4px 12px; margin-bottom: 16px;
}
.plan h3 { font-size: 1.25rem; margin-bottom: 6px; }
.plan .for { font-size: 0.88rem; color: var(--text-faint); margin-bottom: 22px; }
.plan .price { font-size: 2.6rem; font-weight: 800; letter-spacing: -1px; }
.plan .price small { font-size: 0.95rem; font-weight: 500; color: var(--text-muted); letter-spacing: 0; }
.plan .setup { font-size: 0.88rem; color: var(--text-muted); margin: 6px 0 26px; }
.plan .setup b { color: var(--text); }
.plan ul { list-style: none; margin-bottom: 30px; flex: 1; }
.plan ul li {
  font-size: 0.92rem; color: var(--text-muted); padding: 8px 0 8px 28px; position: relative;
  border-bottom: 1px dashed var(--border);
}
.plan ul li::before { content: "✓"; position: absolute; left: 4px; color: var(--cyan); font-weight: 700; }
.plan .btn { text-align: center; }
.pricing-foot { text-align: center; margin-top: 28px; font-size: 0.85rem; color: var(--text-faint); }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 18px 22px; font-weight: 600; font-size: 0.98rem;
  list-style: none; position: relative;
}
.faq summary::after { content: "+"; position: absolute; right: 22px; color: var(--cyan); font-size: 1.2rem; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 22px 20px; color: var(--text-muted); font-size: 0.93rem; }

/* ---------- Form ---------- */
.form-wrap {
  max-width: 720px; margin: 0 auto; background: var(--surface);
  border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 40px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); }
.field input, .field select, .field textarea {
  background: var(--bg); border: 1px solid var(--border-soft); border-radius: var(--radius-sm);
  padding: 12px 14px; color: var(--text); font-family: var(--font); font-size: 0.95rem;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--cyan-deep); box-shadow: 0 0 0 3px rgba(34,211,238,.12);
}
.form-wrap .btn { width: 100%; margin-top: 24px; }
.form-note { font-size: 0.8rem; color: var(--text-faint); margin-top: 14px; text-align: center; }
.success-banner {
  display: none; background: rgba(34,211,238,.1); border: 1px solid rgba(34,211,238,.4);
  color: var(--cyan); border-radius: var(--radius-sm); padding: 16px 20px;
  margin-bottom: 24px; font-size: 0.95rem;
}
.success-banner.show { display: block; }

/* ---------- Blog ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .2s ease, transform .2s ease;
}
.post-card:hover { border-color: rgba(34,211,238,.35); transform: translateY(-3px); }
.post-card .thumb {
  height: 140px; display: flex; align-items: center; justify-content: center; font-size: 2.4rem;
  background: linear-gradient(135deg, rgba(34,211,238,.08), rgba(6,182,212,.03));
  border-bottom: 1px solid var(--border);
}
.post-card .body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.post-card .meta { font-size: 0.75rem; color: var(--text-faint); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; }
.post-card h3 { font-size: 1.02rem; margin-bottom: 10px; }
.post-card h3 a { color: var(--text); }
.post-card p { font-size: 0.88rem; color: var(--text-muted); flex: 1; }
.post-card .more { margin-top: 14px; font-size: 0.85rem; font-weight: 600; }

/* Article page */
.article { max-width: 760px; margin: 0 auto; padding: 72px 24px; }
.article .meta { font-size: 0.8rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 14px; }
.article h1 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 28px; }
.article h2 { font-size: 1.4rem; margin: 40px 0 14px; }
.article p { color: var(--text-muted); margin-bottom: 18px; font-size: 1.02rem; }
.article blockquote {
  border-left: 3px solid var(--cyan); padding: 4px 0 4px 20px; margin: 28px 0;
  color: var(--text); font-size: 1.1rem; font-style: italic;
}
.article .back { display: inline-block; margin-bottom: 32px; font-size: 0.88rem; }
.article-cta {
  margin-top: 48px; padding: 28px; border-radius: var(--radius); text-align: center;
  background: linear-gradient(135deg, rgba(34,211,238,.08), rgba(6,182,212,.03));
  border: 1px solid rgba(34,211,238,.25);
}
.article-cta p { color: var(--text); margin-bottom: 18px; }

/* ---------- CTA band ---------- */
.cta-band {
  text-align: center; border-block: 1px solid var(--border);
  background:
    radial-gradient(ellipse 50% 80% at 50% 100%, rgba(6,182,212,.12), transparent),
    var(--bg-soft);
}
.cta-band h2 { margin-bottom: 14px; }
.cta-band p { color: var(--text-muted); max-width: 560px; margin: 0 auto 30px; }

/* ---------- Footer ---------- */
footer { padding: 56px 0 40px; border-top: 1px solid var(--border); background: var(--bg-soft); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer-grid h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-faint); margin-bottom: 14px; }
.footer-grid a { display: block; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 8px; }
.footer-grid a:hover { color: var(--cyan); text-decoration: none; }
.footer-brand p { color: var(--text-faint); font-size: 0.88rem; margin-top: 14px; max-width: 300px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  padding-top: 24px; border-top: 1px solid var(--border);
  font-size: 0.8rem; color: var(--text-faint);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .cards, .steps, .blog-grid, .stats-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bg-soft); border-bottom: 1px solid var(--border); padding: 12px 24px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; width: 100%; }
  .nav-toggle { display: block; }
  section { padding: 64px 0; }
}