/* ==========================================================================
   SEDETEC — Hoja de estilos principal
   Seguridad y Desarrollo Tecnológico S.A.S.
   ========================================================================== */

:root {
  /* Color */
  --bg-void: #05070d;
  --bg-panel: #0a0f1c;
  --bg-panel-2: #0e1728;
  --bg-panel-3: #101c33;
  --blue-electric: #2f6bff;
  --blue-electric-soft: #4d7dff;
  --blue-cyan: #22d3ee;
  --blue-deep: #12336b;
  --text-primary: #f4f7fb;
  --text-secondary: #96a2b8;
  --text-muted: #6c7691;
  --line: rgba(148, 161, 184, 0.14);
  --line-strong: rgba(148, 161, 184, 0.28);
  --glow: 0 0 0 1px rgba(47, 107, 255, 0.18), 0 20px 60px -25px rgba(47, 107, 255, 0.45);

  /* Type */
  --font-display: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Layout */
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --header-h: 76px;
  --container-w: 1180px;
}

/* ---------- Reset base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; color: var(--text-secondary); }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue-electric);
  color: #fff;
  padding: 10px 18px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

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

.section { padding: 108px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-void) 100%); }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-lead { font-size: 1.05rem; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue-cyan);
  margin-bottom: 14px;
}

h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); color: var(--text-primary); }
h3 { font-size: 1.15rem; color: var(--text-primary); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(120deg, var(--blue-electric), var(--blue-cyan));
  color: #05070d;
  box-shadow: 0 16px 40px -16px rgba(47, 107, 255, 0.65);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 22px 48px -16px rgba(34, 211, 238, 0.55); }
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--blue-cyan); color: var(--blue-cyan); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}
.site-header.scrolled {
  background: rgba(5, 7, 13, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.01em; }
.brand-sub { font-size: 0.68rem; color: var(--text-muted); max-width: 220px; }

.main-nav ul { display: flex; align-items: center; gap: 34px; }
.main-nav a { font-size: 0.95rem; color: var(--text-secondary); position: relative; padding: 6px 0; transition: color 0.2s ease; }
.main-nav a:hover { color: var(--text-primary); }
.main-nav a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--blue-electric), var(--blue-cyan));
  transition: width 0.25s ease;
}
.main-nav a:hover::after { width: 100%; }
.nav-cta {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--text-primary) !important;
}
.nav-cta::after { display: none; }
.nav-cta:hover { border-color: var(--blue-cyan); }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
}
.menu-toggle span {
  width: 20px; height: 2px; margin: 0 auto;
  background: var(--text-primary);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(60% 55% at 78% 30%, rgba(47, 107, 255, 0.22), transparent 65%),
    radial-gradient(45% 45% at 15% 85%, rgba(34, 211, 238, 0.10), transparent 70%),
    var(--bg-void);
  padding-top: var(--header-h);
}
.hero-grid { position: absolute; inset: 0; z-index: 0; opacity: 0.9; }
.hero-svg { width: 100%; height: 100%; }
.node-net { animation: pulse-line 6s ease-in-out infinite; }
.node-dots circle { animation: pulse-dot 3.4s ease-in-out infinite; }
.node-dots circle:nth-child(odd) { animation-delay: 0.6s; }
@keyframes pulse-line { 0%, 100% { opacity: 0.55; } 50% { opacity: 1; } }
@keyframes pulse-dot { 0%, 100% { opacity: 0.5; r: 4; } 50% { opacity: 1; } }

.hero-inner { position: relative; z-index: 1; max-width: 700px; }
.hero-title {
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  line-height: 1.12;
  margin-bottom: 22px;
}
.hero-subtitle { font-size: 1.12rem; color: var(--text-secondary); max-width: 560px; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-fade {
  position: absolute; bottom: 0; left: 0; right: 0; height: 160px;
  background: linear-gradient(180deg, transparent, var(--bg-void));
  z-index: 1;
}

/* ---------- Sobre SEDETEC ---------- */
.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: start; }
.about-copy p { font-size: 1.02rem; }
.about-indicators {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.about-indicators li {
  background: var(--bg-panel);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.indicator-num { font-family: var(--font-display); color: var(--blue-cyan); font-size: 0.85rem; font-weight: 600; }
.indicator-label { font-family: var(--font-display); font-size: 1.05rem; color: var(--text-primary); }

/* ---------- Servicios ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.service-card {
  background: var(--bg-panel);
  padding: 34px 30px;
  transition: background 0.25s ease;
  position: relative;
}
.service-card:hover { background: var(--bg-panel-2); }
.service-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(47,107,255,0.16), rgba(34,211,238,0.10));
  border: 1px solid var(--line-strong);
  color: var(--blue-cyan);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.service-icon svg { width: 22px; height: 22px; }
.service-card:hover .service-icon { border-color: var(--blue-cyan); transform: translateY(-2px); }
.service-card h3 { margin-bottom: 8px; font-size: 1.05rem; }
.service-card p { font-size: 0.94rem; margin: 0; }

/* ---------- Sectores ---------- */
.sector-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 60px;
}
.sector-chips li {
  padding: 11px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.sector-chips li:hover { border-color: var(--blue-cyan); color: var(--text-primary); background: rgba(34,211,238,0.06); }

.solutions-cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  padding: 44px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(47,107,255,0.10), rgba(34,211,238,0.04));
}
.solutions-cta h3 { font-size: 1.4rem; margin-bottom: 10px; max-width: 480px; }
.solutions-cta p { margin: 0; max-width: 480px; }
.solutions-cta .btn { flex-shrink: 0; }

/* ---------- Timeline / proceso ---------- */
.timeline { position: relative; max-width: 760px; margin: 0 auto; }
.timeline::before {
  content: "";
  position: absolute;
  left: 27px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--blue-electric), var(--blue-cyan), transparent);
}
.timeline li { display: flex; gap: 28px; padding: 0 0 44px; position: relative; }
.timeline li:last-child { padding-bottom: 0; }
.timeline-num {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  color: var(--blue-cyan);
  z-index: 1;
}
.timeline h3 { margin-bottom: 6px; }
.timeline p { margin: 0; }

/* ---------- Tecnología ---------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}
.tech-grid li {
  padding: 18px 16px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.92rem;
  color: var(--text-secondary);
  background: var(--bg-panel);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.tech-grid li:hover { border-color: var(--blue-electric-soft); color: var(--text-primary); }

/* ---------- Proyectos ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.project-card {
  padding: 36px 26px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--line-strong);
  background: var(--bg-panel);
  text-align: left;
}
.project-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  margin-bottom: 18px;
  background: rgba(47,107,255,0.10);
  color: var(--blue-cyan);
}
.project-icon svg { width: 20px; height: 20px; }
.project-card h3 { margin: 0; font-size: 1rem; }

/* ---------- Ventajas ---------- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px 32px;
}
.advantage { border-top: 1px solid var(--line-strong); padding-top: 18px; }
.advantage h3 { font-size: 1rem; margin-bottom: 8px; }
.advantage p { font-size: 0.92rem; margin: 0; }

/* ---------- Contacto ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; }
.contact-info { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
.contact-info li { font-size: 0.96rem; color: var(--text-secondary); }
.contact-info strong { color: var(--text-primary); font-weight: 600; }
.contact-info a:hover { color: var(--blue-cyan); }

.contact-form {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row-full { grid-column: 1 / -1; }
.form-row label { font-size: 0.86rem; color: var(--text-secondary); }
.form-row input, .form-row select, .form-row textarea {
  background: var(--bg-void);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-primary);
  transition: border-color 0.2s ease;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--blue-cyan);
  outline: none;
}
.form-row textarea { resize: vertical; min-height: 110px; }
.form-error { font-size: 0.78rem; color: #ff8a8a; min-height: 1em; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-submit { grid-column: 1 / -1; justify-self: start; margin-top: 4px; }
.form-status { grid-column: 1 / -1; margin: 0; font-size: 0.9rem; min-height: 1.2em; }
.form-status.is-success { color: var(--blue-cyan); }
.form-status.is-error { color: #ff8a8a; }



/* ---------- Productos ---------- */
.product-section-head { max-width: 760px; }

.product-showcase {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--glow);
}

.product-main,
.meta-integration {
  background: var(--bg-panel);
  padding: 42px;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  margin-bottom: 24px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--blue-cyan);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(34, 211, 238, 0.05);
}

.product-badge svg { width: 17px; height: 17px; }

.product-main h3,
.meta-integration h3 {
  font-size: 1.45rem;
  line-height: 1.3;
  margin-bottom: 14px;
}

.product-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 28px 0 30px;
}

.product-features li {
  min-height: 74px;
  padding: 14px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-void);
  color: var(--text-secondary);
  font-size: 0.88rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.product-features li svg {
  width: 18px;
  height: 18px;
  color: var(--blue-cyan);
}

.product-link { margin-top: 2px; }

.meta-integration {
  background:
    radial-gradient(80% 70% at 100% 0%, rgba(47,107,255,0.16), transparent 65%),
    var(--bg-panel-2);
}

.integration-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 22px;
}

.integration-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  color: var(--blue-cyan);
  border: 1px solid var(--line-strong);
  background: rgba(47,107,255,0.12);
}

.integration-icon svg { width: 22px; height: 22px; }

.status-badge {
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(34,211,238,0.32);
  color: var(--blue-cyan);
  background: rgba(34,211,238,0.07);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
}

.meta-integration h4 {
  margin: 24px 0 12px;
  font-family: var(--font-display);
  font-size: 0.94rem;
  color: var(--text-primary);
}

.integration-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 24px;
}

.integration-list li {
  color: var(--text-secondary);
  font-size: 0.92rem;
  padding-left: 20px;
  position: relative;
}

.integration-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-cyan);
}

.data-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(5,7,13,0.42);
}

.data-note > svg {
  width: 20px;
  height: 20px;
  margin-top: 3px;
  color: var(--blue-cyan);
}

.data-note p {
  margin: 0;
  font-size: 0.88rem;
}

.integration-disclaimer {
  margin: 18px 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

@media (max-width: 1180px) and (min-width: 781px) {
  .main-nav ul { gap: 20px; }
  .main-nav a { font-size: 0.88rem; }
  .brand-sub { display: none; }
}

@media (max-width: 1024px) {
  .product-showcase { grid-template-columns: 1fr; }
  .product-features { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 620px) {
  .product-main,
  .meta-integration { padding: 28px 22px; }

  .product-features { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 390px) {
  .product-features { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-panel); border-top: 1px solid var(--line); padding-top: 64px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand-name { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; }
.footer-brand p { font-size: 0.88rem; margin-top: 6px; }
.footer-nav h4, .footer-contact h4 { font-family: var(--font-display); font-size: 0.9rem; color: var(--text-primary); margin-bottom: 16px; }
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a, .footer-contact a { font-size: 0.9rem; color: var(--text-secondary); }
.footer-nav a:hover, .footer-contact a:hover { color: var(--blue-cyan); }
.footer-contact p { font-size: 0.9rem; margin: 0 0 10px; }
.footer-bottom { border-top: 1px solid var(--line); padding: 22px 0; }
.footer-bottom p { margin: 0; font-size: 0.82rem; color: var(--text-muted); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 780px) {
  .main-nav { position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: rgba(5,7,13,0.98); backdrop-filter: blur(10px);
    transform: translateX(100%); transition: transform 0.3s ease;
    padding: 32px 24px; overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 22px; }
  .main-nav a { font-size: 1.15rem; }
  .menu-toggle { display: flex; }
  .brand-sub { display: none; }
  .section { padding: 76px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .about-indicators { grid-template-columns: 1fr 1fr; }
  .solutions-cta { flex-direction: column; align-items: flex-start; padding: 32px; }
  .contact-form { grid-template-columns: 1fr; padding: 26px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .timeline::before { left: 23px; }
  .timeline-num { width: 48px; height: 48px; font-size: 0.85rem; }
}