/* ─── RESET & BASE ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #07070d;
  --surface:   #0f0f18;
  --surface2:  #16161f;
  --border:    rgba(255,255,255,.08);
  --border2:   rgba(255,255,255,.12);

  --indigo:    #6366f1;
  --indigo-d:  #4f52d6;
  --indigo-glow: rgba(99,102,241,.25);
  --purple:    #a855f7;
  --emerald:   #10b981;

  --text:      #f1f5f9;
  --text-2:    #94a3b8;
  --text-3:    #64748b;

  --font-body: 'Inter', system-ui, sans-serif;
  --font-head: 'Syne', system-ui, sans-serif;

  --radius:    12px;
  --radius-lg: 20px;
  --max:       1180px;
  --header-h:  68px;
}

html { scroll-behavior: smooth; font-size: 16px; }

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

/* ─── UTILITIES ────────────────────────────────────────────── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section   { padding: 96px 0; }
.eyebrow   {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--indigo);
  margin-bottom: 12px;
}
.section-head { margin-bottom: 56px; }
.section-head.center { text-align: center; }
.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-head p { color: var(--text-2); max-width: 600px; }
.section-head.center p { margin: 0 auto; }

.accent { color: var(--indigo); }

/* ─── BUTTONS ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all .2s;
}
.btn-primary {
  background: var(--indigo);
  color: #fff;
}
.btn-primary:hover { background: var(--indigo-d); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-ghost:hover { border-color: var(--indigo); color: var(--indigo); }

.btn-outline {
  background: transparent;
  color: var(--indigo);
  border: 1.5px solid var(--indigo);
}
.btn-outline:hover { background: var(--indigo); color: #fff; }

.btn-sm { padding: 8px 18px; font-size: .82rem; }

/* ─── HEADER ───────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(7,7,13,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark {
  width: 34px; height: 34px;
  background: var(--indigo);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: #fff;
  font-weight: 800;
}
.logo-text {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 700;
}
.logo-text span { color: var(--indigo); }

.nav-center {
  display: flex;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-center a {
  text-decoration: none;
  color: var(--text-2);
  font-size: .875rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color .2s, background .2s;
}
.nav-center a:hover     { color: var(--text); background: var(--surface2); }
.nav-center a.active-nav { color: var(--text); background: var(--surface2); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.lang-toggle {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  color: var(--text-2);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: border-color .2s;
}
.lang-toggle:hover { border-color: var(--indigo); }
.lang-toggle .lang-es.active,
.lang-toggle .lang-en.active { color: var(--indigo); }
.lang-sep { color: var(--text-3); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s;
}

/* ─── HERO ─────────────────────────────────────────────────── */
.hero {
  padding-top: calc(var(--header-h) + 72px);
  padding-bottom: 96px;
  background: radial-gradient(ellipse 80% 60% at 60% -10%, rgba(99,102,241,.12) 0%, transparent 70%);
}
.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99,102,241,.12);
  border: 1px solid rgba(99,102,241,.3);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: .78rem;
  font-weight: 600;
  color: #a5b4fc;
  margin-bottom: 24px;
}
.badge::before { content: "●"; color: var(--indigo); font-size: .5rem; }
.hero-copy h1 {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero-sub {
  color: var(--text-2);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
.framework-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.framework-tags span {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: .75rem;
  color: var(--text-3);
  font-weight: 500;
}

/* Hero visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}
.dash-card {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 24px 64px rgba(0,0,0,.4);
}
.dash-card.small {
  background: var(--surface2);
  padding: 18px 20px;
}
.dash-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--text-2);
  margin-bottom: 16px;
  font-weight: 500;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot.green  { background: var(--emerald); box-shadow: 0 0 6px var(--emerald); }
.dot.purple { background: var(--purple);  box-shadow: 0 0 6px var(--purple); }

.dash-score {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 16px;
}
.dash-score small { font-size: .72rem; color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; }
.score-med { font-size: 1.5rem; font-family: var(--font-head); color: #fbbf24; }

.dash-bars { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.bar-row { display: flex; align-items: center; gap: 10px; font-size: .78rem; color: var(--text-2); }
.bar-row span { width: 72px; flex-shrink: 0; }
.bar { flex: 1; height: 6px; background: var(--surface2); border-radius: 3px; overflow: hidden; }
.bar div { height: 100%; background: linear-gradient(90deg, var(--indigo), var(--purple)); border-radius: 3px; }

.dash-verdict {
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.2);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: .82rem;
}
.dash-verdict strong { display: block; color: #a5b4fc; margin-bottom: 4px; font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; }
.dash-verdict p { color: var(--text-2); line-height: 1.5; }

.chat-preview { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.msg {
  padding: 8px 12px;
  border-radius: 10px;
  font-size: .82rem;
  max-width: 85%;
  line-height: 1.4;
}
.msg.in  { background: var(--surface); color: var(--text-2); align-self: flex-start; }
.msg.out { background: var(--indigo); color: #fff; align-self: flex-end; }
.agent-label { font-size: .72rem; color: var(--emerald); font-weight: 600; text-align: right; }

/* ─── PILLARS ──────────────────────────────────────────────── */
.pillars {
  padding: 64px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.pillar-grid article { padding: 8px 0; }
.pillar-num {
  font-family: var(--font-head);
  font-size: 2rem;
  color: var(--border2);
  line-height: 1;
  margin-bottom: 10px;
}
.pillar-grid h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.pillar-grid p  { font-size: .875rem; color: var(--text-2); line-height: 1.6; }

/* ─── TWO TRACKS ───────────────────────────────────────────── */
.tracks { background: var(--bg); }
.tracks-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.track-card {
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.track-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.track-card.enterprise {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(99,102,241,.06) 100%);
}
.track-card.smb {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(168,85,247,.06) 100%);
}
.track-card.enterprise::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, var(--indigo-glow) 0%, transparent 60%);
  pointer-events: none;
}
.track-card.smb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, rgba(168,85,247,.15) 0%, transparent 60%);
  pointer-events: none;
}
.track-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 16px;
}
.track-icon { font-size: 1rem; }
.track-card h3 {
  font-family: var(--font-head);
  font-size: 1.6rem;
  margin-bottom: 14px;
}
.track-card p { color: var(--text-2); font-size: .9rem; margin-bottom: 20px; line-height: 1.65; }
.track-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 28px;
}
.track-card li {
  font-size: .875rem;
  color: var(--text-2);
  padding-left: 16px;
  position: relative;
}
.track-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--indigo);
  font-size: .75rem;
  top: 2px;
}
.track-card.smb li::before { color: var(--purple); }

/* ─── SERVICES DETAIL ──────────────────────────────────────── */
.services-detail { background: var(--surface); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.svc-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s, transform .2s;
}
.svc-card:hover { border-color: var(--indigo); transform: translateY(-2px); }
.svc-icon { font-size: 1.5rem; margin-bottom: 12px; display: block; }
.svc-card h4 { font-size: .95rem; font-weight: 600; margin-bottom: 8px; }
.svc-card p  { font-size: .85rem; color: var(--text-2); line-height: 1.6; }

/* ─── AI SOLUTIONS ─────────────────────────────────────────── */
.ai-solutions {
  background: var(--bg);
  position: relative;
}
.ai-solutions::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--purple), transparent);
}
.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.ai-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s, transform .2s;
}
.ai-card:hover { border-color: var(--purple); transform: translateY(-2px); }
.ai-card.featured-ai {
  border-color: rgba(168,85,247,.4);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(168,85,247,.08) 100%);
}
.ai-icon { font-size: 1.5rem; margin-bottom: 12px; display: block; }
.ai-card h4 { font-size: .95rem; font-weight: 600; margin-bottom: 8px; }
.ai-card p  { font-size: .85rem; color: var(--text-2); line-height: 1.6; margin-bottom: 14px; }
.ai-tag {
  display: inline-block;
  background: rgba(168,85,247,.1);
  border: 1px solid rgba(168,85,247,.2);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: .72rem;
  color: #c084fc;
  font-weight: 500;
}
.ai-cta-row { text-align: center; }

/* ─── PRODUCTS ─────────────────────────────────────────────── */
.products { background: var(--surface); }
.products-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 20px;
}
.prod-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.prod-card.highlight {
  border-color: rgba(99,102,241,.4);
  background: linear-gradient(160deg, var(--bg) 0%, rgba(99,102,241,.06) 100%);
}
.prod-badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: rgba(16,185,129,.12);
  color: var(--emerald);
  border-radius: 6px;
  padding: 3px 10px;
  width: fit-content;
}
.prod-badge.muted {
  background: var(--surface2);
  color: var(--text-3);
}
.prod-card h3 { font-size: 1.15rem; font-weight: 700; }
.prod-card > p { font-size: .875rem; color: var(--text-2); line-height: 1.6; }
.prod-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.prod-card li {
  font-size: .84rem;
  color: var(--text-2);
  padding-left: 14px;
  position: relative;
}
.prod-card li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--indigo);
  font-size: .7rem;
  top: 3px;
}

/* ─── METHOD ───────────────────────────────────────────────── */
.method { background: var(--bg); }
.method-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.method-steps article {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: border-color .2s;
}
.method-steps article:hover { border-color: var(--indigo); }
.step-num {
  display: inline-flex;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  background: var(--indigo);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  font-size: .85rem;
  margin-bottom: 12px;
}
.method-steps h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.method-steps p  { font-size: .84rem; color: var(--text-2); line-height: 1.5; }
.step-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--text-3);
  font-size: 1.2rem;
  margin-top: 28px;
  flex-shrink: 0;
}

/* ─── ABOUT ────────────────────────────────────────────────── */
.about { background: var(--surface); }
.about-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 64px;
  align-items: center;
}
.about-stat-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-shrink: 0;
}
.stat-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 32px;
  text-align: center;
  min-width: 160px;
}
.stat-box strong {
  display: block;
  font-family: var(--font-head);
  font-size: 2.4rem;
  color: var(--indigo);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-box span { font-size: .8rem; color: var(--text-3); font-weight: 500; }
.about-copy h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  margin-bottom: 16px;
  margin-top: 8px;
}
.about-copy p { color: var(--text-2); line-height: 1.7; margin-bottom: 14px; }
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.about-tags span {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: .78rem;
  color: var(--text-3);
  font-weight: 500;
}

/* ─── CONTACT ──────────────────────────────────────────────── */
.contact {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}
.contact-copy h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  margin-bottom: 16px;
  margin-top: 8px;
}
.contact-copy p { color: var(--text-2); line-height: 1.7; margin-bottom: 28px; }
.contact-options {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-options > div {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-options strong { font-size: .9rem; }
.contact-options span  { font-size: .8rem; color: var(--text-3); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-2);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: .9rem;
  outline: none;
  transition: border-color .2s;
  width: 100%;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { border-color: var(--indigo); }
.contact-form select option { background: var(--surface2); }
.contact-form textarea { resize: vertical; }
.contact-form .btn { width: 100%; justify-content: center; padding: 13px; }

/* ─── FOOTER ───────────────────────────────────────────────── */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
}
.footer-layout {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand p { font-size: .875rem; color: var(--text-3); margin-top: 12px; max-width: 260px; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links strong { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); margin-bottom: 4px; }
.footer-links a { font-size: .875rem; color: var(--text-2); text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: var(--indigo); }
.footer-legal { display: flex; flex-direction: column; gap: 6px; }
.footer-legal span { font-size: .8rem; color: var(--text-3); }

/* ─── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .pillar-grid        { grid-template-columns: repeat(2, 1fr); }
  .products-grid      { grid-template-columns: 1fr; }
  .footer-layout      { grid-template-columns: 1fr 1fr; }
  .about-layout       { grid-template-columns: 1fr; }
  .about-stat-col     { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .hero     { padding-top: calc(var(--header-h) + 48px); }

  .nav-center { display: none; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 4px; }
  .nav-center.open { display: flex; }
  .nav-center a { padding: 10px 12px; }
  .burger { display: flex; }

  .hero-layout    { grid-template-columns: 1fr; }
  .hero-visual    { display: none; }
  .tracks-grid    { grid-template-columns: 1fr; }
  .services-grid  { grid-template-columns: 1fr; }
  .ai-grid        { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row       { grid-template-columns: 1fr; }
  .footer-layout  { grid-template-columns: 1fr; }
  .method-steps   { flex-direction: column; }
  .step-arrow     { transform: rotate(90deg); align-self: center; margin: 0; }
  .pillar-grid    { grid-template-columns: 1fr; }
  .hero-ctas      { flex-direction: column; }
  .hero-ctas .btn { text-align: center; justify-content: center; }
}

/* ─── ANIMATIONS ───────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-copy { animation: fadeUp .6s ease both; }
.hero-visual { animation: fadeUp .6s .15s ease both; }