/* =========================================================
   STAREUP CYBER AI · sistema visual
   Paleta: negro grafito #0E1116 + cian eléctrico #00C2FF
   ========================================================= */

:root {
  /* Paleta Stareup Cyber AI · ojo cibernético */
  --ink: #0E1116;             /* negro profundo */
  --ink-2: #14181E;
  --ink-3: #1E2429;
  --green: #1B7A3F;           /* verde Stareup profundo */
  --green-soft: #2E8B4D;
  --green-dark: #0E5A2A;
  --green-bright: #3FAA63;    /* verde claro para fondo oscuro */
  --green-pale: #9FE1B5;
  --cyan: var(--green);       /* aliases retro-compatibles */
  --cyan-soft: var(--green-bright);
  --mist: #FAFCF8;
  --mist-2: #EEF3EA;
  --muted: #4B5563;
  --muted-2: #6B7280;
  --line: #DCE2D7;
  --amber: #F5A524;
  --max: 1180px;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
}

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

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--ink); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--cyan); }

img, svg { max-width: 100%; height: auto; display: block; }

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

/* ---------- Tipografía ---------- */
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; margin: 0; color: var(--ink); }
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); line-height: 1.05; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); line-height: 1.15; margin-bottom: 16px; }
h3 { font-size: 1.25rem; line-height: 1.3; margin-bottom: 8px; }
h4 { font-size: 1rem; }
p { margin: 0 0 14px; color: var(--ink); }
.lead { font-size: 1.15rem; color: var(--muted); line-height: 1.55; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--cyan);
  margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--cyan); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px; border-radius: var(--radius);
  font-weight: 600; font-size: 15px; letter-spacing: .2px;
  border: 1px solid transparent; cursor: pointer;
  transition: all .18s ease;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--mist-2); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-outline-light:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn .arr { transition: transform .2s ease; }
.btn:hover .arr { transform: translateX(3px); }

/* ---------- Navegación ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 36px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--ink); }
.nav-links a:hover { color: var(--cyan); }
.nav-cta { font-size: 14px; padding: 10px 16px; }

.menu-toggle { display: none; background: none; border: 0; width: 36px; height: 36px; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px auto; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .nav-links.open { display: flex; flex-direction: column; gap: 14px; position: absolute; top: 100%; left: 0; right: 0; background: #fff; padding: 20px 24px; border-bottom: 1px solid var(--line); }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--ink);
  color: #fff;
  padding: 110px 0 120px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 78% 22%, rgba(27,122,63,.22), transparent 55%),
    radial-gradient(circle at 12% 90%, rgba(27,122,63,.10), transparent 45%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px;
  align-items: center; position: relative; z-index: 1;
}
.hero h1 { color: #fff; }
.hero h1 .accent { color: var(--cyan); }
.hero p.lead { color: #C7CFD8; font-size: 1.2rem; max-width: 560px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero-meta {
  display: flex; gap: 24px; margin-top: 48px; padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.12);
  flex-wrap: wrap;
}
.hero-meta .stat { color: #C7CFD8; font-size: 13px; line-height: 1.4; max-width: 220px; }
.hero-meta .stat strong { display: block; color: #fff; font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }

.hero-visual {
  display: flex; justify-content: center; align-items: center;
}
.hero-visual svg { max-width: 380px; }

@media (max-width: 900px) {
  .hero { padding: 70px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-visual svg { max-width: 240px; }
}

/* ---------- Secciones ---------- */
.section { padding: 90px 0; }
.section-mist { background: var(--mist); }
.section-ink { background: var(--ink); color: #fff; }
.section-ink h2, .section-ink h3 { color: #fff; }
.section-ink p { color: #C7CFD8; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Grid de tarjetas ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all .2s ease;
}
.card:hover { border-color: var(--ink); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(14,17,22,.06); }
.card .icon-block {
  width: 44px; height: 44px;
  background: var(--ink); color: var(--cyan);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  font-weight: 700; font-size: 18px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; line-height: 1.55; margin: 0; }
.card a.more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--ink); }
.card a.more:hover { color: var(--cyan); }

.card-dark { background: var(--ink-2); border-color: var(--ink-3); }
.card-dark h3 { color: #fff; }
.card-dark p { color: #C7CFD8; }
.card-dark:hover { border-color: var(--cyan); }
.card-dark .icon-block { background: var(--cyan); color: var(--ink); }

/* ---------- Pilares ---------- */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) { .pillars { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .pillars { grid-template-columns: 1fr; } }
.pillar { border-top: 2px solid var(--cyan); padding-top: 18px; }
.pillar .num { font-size: 13px; color: var(--cyan); font-weight: 700; letter-spacing: 1px; }
.pillar h3 { font-size: 1.15rem; margin: 8px 0 8px; }
.pillar p { font-size: 14px; color: var(--muted); }

/* ---------- Listas de bullets fuertes ---------- */
.bullets { list-style: none; padding: 0; margin: 0; }
.bullets li {
  padding: 14px 0 14px 36px;
  border-bottom: 1px solid var(--line);
  position: relative;
  font-size: 15px;
}
.bullets li::before {
  content: ""; position: absolute; left: 0; top: 22px;
  width: 14px; height: 2px; background: var(--cyan);
}
.bullets li:last-child { border-bottom: 0; }
.bullets.dark li { border-color: rgba(255,255,255,.08); color: #C7CFD8; }

/* ---------- Cita destacada ---------- */
.pull {
  font-size: 1.6rem; font-weight: 600;
  line-height: 1.3; max-width: 800px;
  padding-left: 24px; border-left: 3px solid var(--cyan);
  letter-spacing: -0.01em;
}

/* ---------- Manifiesto / claim ---------- */
.manifesto {
  background: var(--ink); color: #fff;
  padding: 80px 0; text-align: center;
}
.manifesto h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: #fff; max-width: 880px; margin: 0 auto 24px;
  line-height: 1.2;
}
.manifesto h2 em { color: var(--cyan); font-style: normal; }

/* ---------- Sectores ---------- */
.sector-chip {
  display: inline-flex; padding: 8px 14px; border: 1px solid var(--line);
  border-radius: 100px; font-size: 13px; font-weight: 500; color: var(--muted);
  margin: 4px;
}

/* ---------- Tabla de packs ---------- */
.packs-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.packs-table th, .packs-table td {
  text-align: left; padding: 16px; border-bottom: 1px solid var(--line); vertical-align: top;
}
.packs-table th { background: var(--ink); color: #fff; font-weight: 600; font-size: 13px; letter-spacing: .5px; }
.packs-table td:first-child { font-weight: 600; color: var(--ink); }
.packs-table tr:hover td { background: var(--mist); }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--ink); color: #fff;
  padding: 64px 48px; border-radius: var(--radius-lg);
  display: grid; grid-template-columns: 1.5fr auto; gap: 32px;
  align-items: center;
}
.cta-banner h2 { color: #fff; margin: 0 0 8px; font-size: 1.8rem; }
.cta-banner p { color: #C7CFD8; margin: 0; }
@media (max-width: 700px) { .cta-banner { grid-template-columns: 1fr; padding: 40px 28px; } }

/* ---------- Form ---------- */
.form { display: grid; gap: 18px; }
.form label { font-size: 13px; font-weight: 600; letter-spacing: .3px; color: var(--ink); }
.form input, .form textarea, .form select {
  width: 100%; padding: 14px 16px;
  border: 1px solid var(--line); border-radius: var(--radius);
  font: inherit; color: var(--ink); background: #fff;
  transition: border-color .15s;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none; border-color: var(--cyan);
}
.form textarea { min-height: 140px; resize: vertical; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 700px) { .form .row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #C7CFD8; padding: 64px 0 32px; }
.footer a { color: #C7CFD8; font-size: 14px; }
.footer a:hover { color: var(--cyan); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h4 { color: #fff; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; font-weight: 600; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px;
  display: flex; justify-content: space-between; font-size: 13px; color: #6B7280;
  flex-wrap: wrap; gap: 12px;
}

/* ---------- Página interior · Hero compacto ---------- */
.page-hero {
  background: var(--ink); color: #fff;
  padding: 90px 0 80px;
  position: relative;
}
.page-hero::after {
  content: ""; position: absolute; bottom: -1px; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); }
.page-hero p { color: #C7CFD8; max-width: 700px; font-size: 1.1rem; margin-top: 16px; }
.breadcrumb { font-size: 13px; color: var(--cyan); letter-spacing: .5px; margin-bottom: 16px; }
.breadcrumb a { color: var(--cyan); }
.breadcrumb a:hover { color: #fff; }

/* ---------- Service block ---------- */
.service-block { padding: 60px 0; border-bottom: 1px solid var(--line); }
.service-block:last-child { border-bottom: 0; }
.service-block .head { display: flex; align-items: flex-start; gap: 24px; margin-bottom: 24px; }
.service-block .num-big { font-size: 2rem; color: var(--cyan); font-weight: 700; min-width: 60px; }
.service-block .head h2 { margin: 0; }
.service-block .meta { font-size: 14px; color: var(--muted); margin-top: 8px; }

/* ---------- Tecnologías ---------- */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
@media (max-width: 900px) { .partner-grid { grid-template-columns: repeat(3, 1fr); } }
.partner {
  background: #fff; border: 1px solid var(--line);
  padding: 24px; text-align: center; border-radius: var(--radius);
  font-size: 14px; font-weight: 600; color: var(--muted);
  display: flex; align-items: center; justify-content: center; min-height: 80px;
  transition: all .15s;
}
.partner:hover { border-color: var(--ink); color: var(--ink); }

/* ---------- Recursos ---------- */
.resource-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px; display: flex; flex-direction: column; height: 100%;
}
.resource-card .tag { display: inline-block; font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--cyan); font-weight: 600; margin-bottom: 12px; }
.resource-card h3 { margin-bottom: 12px; font-size: 1.1rem; }
.resource-card p { font-size: 14px; color: var(--muted); flex: 1; }
.resource-card a.more { margin-top: 16px; }

/* ---------- Utils ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mt-6 { margin-top: 48px; }