:root {
  --bg: #0f172a;
  --bg-soft: #111c33;
  --panel: rgba(15, 23, 42, 0.82);
  --panel-strong: #111827;
  --text: #e5e7eb;
  --muted: #b6c2d3;
  --muted-2: #94a3b8;
  --white: #ffffff;
  --line: rgba(148, 163, 184, 0.22);
  --brand: #38bdf8;
  --brand-2: #22c55e;
  --warning: #f59e0b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.14), transparent 34%),
    radial-gradient(circle at top right, rgba(34, 197, 94, 0.1), transparent 35%),
    var(--bg);
  line-height: 1.6;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.narrow { max-width: 820px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(15, 23, 42, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}
.logo-img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.18), 0 12px 30px rgba(56,189,248,0.18);
}
.logo strong { color: var(--brand); }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--white); }
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--white);
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 1.2rem;
}

.hero { padding: 86px 0 64px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 48px;
  align-items: center;
}
.badge, .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #bae6fd;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.22);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
}
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin: 22px 0 20px;
  font-size: clamp(2.25rem, 6vw, 4.7rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
  color: var(--white);
}
h2 {
  font-size: clamp(1.9rem, 4vw, 3.15rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
  color: var(--white);
  margin-bottom: 16px;
}
h3 { color: var(--white); font-size: 1.2rem; }
.hero p, .page-hero p, .section-title p, .contact-box p {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 720px;
}
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.actions.center, .center-actions { justify-content: center; }
.center-actions { display: flex; margin-top: 32px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
}
.btn-primary { background: linear-gradient(135deg, var(--brand), #60a5fa); color: #06111f; }
.btn-secondary { border-color: var(--line); color: var(--white); background: rgba(255,255,255,0.06); }
.btn:hover { transform: translateY(-1px); }

.hero-visual { display: grid; gap: 18px; }
.brand-card, .terminal-card, .story-box, .card, .service-detail, .value-card, .profile-card, .contact-card, .contact-box {
  background: linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.brand-card { padding: 28px; }
.brand-logo { width: min(420px, 100%); margin: 0 auto; border-radius: 20px; }
.terminal-card { padding: 20px; overflow: hidden; }
.terminal-top { display: flex; gap: 7px; margin-bottom: 16px; }
.dot { width: 11px; height: 11px; border-radius: 999px; background: var(--muted-2); opacity: .8; }
.terminal-card code {
  white-space: pre-wrap;
  color: #d1fae5;
  font-size: 0.95rem;
}

section { padding: 74px 0; }
.page-hero { padding: 86px 0 54px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 4.1rem); }
.section-soft { background: rgba(255,255,255,0.03); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-title { text-align: center; margin: 0 auto 36px; max-width: 820px; }
.section-title .eyebrow { margin-bottom: 14px; }
.section-title p { margin-left: auto; margin-right: auto; }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card { padding: 24px; }
.card p, .service-detail p, .value-card p, .contact-card p, .story-box p, .project-item span { color: var(--muted); }
.card:hover, .service-detail:hover { border-color: rgba(56,189,248,0.4); }

.status-strip { padding: 0 0 52px; }
.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.status-grid div {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  background: rgba(255,255,255,0.045);
}
.status-grid strong { display: block; color: var(--white); }
.status-grid span { color: var(--muted); font-size: 0.94rem; }

.story-box { padding: clamp(24px, 5vw, 44px); }
.story-box.large { max-width: 920px; margin: 0 auto 26px; }
.story-heading { font-size: 1.35rem; font-weight: 800; color: var(--white) !important; }
.highlight { color: var(--brand); }
.text-link { color: var(--brand); font-weight: 800; text-decoration: none; }
.project-list { display: grid; gap: 14px; max-width: 900px; margin: 0 auto; }
.project-item {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
}
.project-item strong { color: var(--white); }
.ai-block { background: linear-gradient(135deg, rgba(56,189,248,0.08), rgba(34,197,94,0.06)); }
.ai-grid { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.service-stack { display: grid; gap: 18px; }
.service-detail {
  padding: 28px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 28px;
  align-items: start;
}
.service-number { color: var(--brand); font-weight: 900; letter-spacing: .1em; }
.service-detail ul, .check-list { margin: 16px 0 0; color: var(--muted); }
.two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.align-center { align-items: center; }
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.value-card, .profile-card { padding: 24px; }
.profile-card { text-align: center; }
.profile-card img { width: 220px; border-radius: 24px; margin: 0 auto 18px; }
.contact { padding-top: 64px; }
.contact-box { padding: clamp(28px, 5vw, 54px); text-align: center; }
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}
.contact-card { padding: 24px; }
.main-contact { grid-row: span 2; }
.contact-actions { display: grid; gap: 12px; margin-top: 22px; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 42px 0 28px;
  background: rgba(2,6,23,0.42);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 28px;
}
.site-footer p, .footer-bottom { color: var(--muted-2); }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.footer-bottom { margin-top: 28px; font-size: 0.9rem; }
.whatsapp-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 120;
  background: #22c55e;
  color: #04130a;
  text-decoration: none;
  font-weight: 900;
  padding: 12px 16px;
  border-radius: 999px;
  box-shadow: 0 18px 40px rgba(0,0,0,.35);
}

@media (max-width: 860px) {
  .menu-toggle { display: inline-flex; }
  .nav { min-height: 68px; }
  .nav-links {
    position: absolute;
    top: 68px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(15,23,42,0.98);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 10px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; border-radius: 12px; }
  .nav-links a:hover { background: rgba(255,255,255,0.06); }
  .hero-grid, .cards, .status-grid, .service-detail, .two-columns, .values-grid, .contact-layout, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; }
  section { padding: 54px 0; }
  .project-item { grid-template-columns: 1fr; }
  .ai-grid { display: grid; }
}

@media (max-width: 520px) {
  .container { width: min(100% - 28px, 1120px); }
  .logo span { font-size: 0.95rem; }
  .logo-img { width: 38px; height: 38px; }
  .actions, .center-actions { display: grid; }
  .btn { width: 100%; }
  .whatsapp-float { left: 18px; text-align: center; }
}

/* Mobile Fix V1 - Luis G. Tech Group */
@media (max-width: 860px) {
  body {
    overflow-x: hidden;
  }

  .container {
    width: min(100% - 32px, 1120px);
  }

  .site-header {
    background: rgba(15, 23, 42, 0.94);
  }

  .nav {
    min-height: 74px;
    gap: 12px;
  }

  .logo {
    gap: 10px;
    min-width: 0;
  }

  .logo span {
    font-size: 1.05rem;
    line-height: 1.1;
    white-space: nowrap;
  }

  .logo-img {
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
  }

  .menu-toggle {
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-size: 1rem;
    line-height: 1;
  }

  .nav-links {
    top: 74px;
  }

  .hero {
    padding: 46px 0 42px;
  }

  .page-hero {
    padding: 58px 0 44px;
  }

  .hero-grid {
    gap: 30px;
  }

  h1 {
    font-size: clamp(2.35rem, 11vw, 3.35rem);
    line-height: 1.02;
    letter-spacing: -0.055em;
  }

  h2 {
    font-size: clamp(2rem, 8vw, 2.7rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
  }

  h3 {
    font-size: 1.35rem;
    line-height: 1.2;
  }

  .hero p,
  .page-hero p,
  .section-title p,
  .contact-box p {
    font-size: 1rem;
    line-height: 1.65;
  }

  section {
    padding: 50px 0;
  }

  .section-title {
    text-align: left;
    margin-bottom: 26px;
  }

  .section-title p {
    margin-left: 0;
    margin-right: 0;
  }

  .brand-card {
    padding: 16px;
    border-radius: 22px;
  }

  .brand-logo {
    width: 100%;
    max-height: 260px;
    object-fit: contain;
    border-radius: 18px;
  }

  .terminal-card {
    padding: 18px;
    border-radius: 22px;
  }

  .terminal-card code {
    font-size: 0.86rem;
    line-height: 1.65;
  }

  .status-strip {
    padding: 0 0 36px;
  }

  .status-grid {
    gap: 12px;
  }

  .status-grid div {
    padding: 16px;
  }

  .status-grid strong {
    display: block;
    margin-bottom: 4px;
  }

  .status-grid span {
    display: block;
    line-height: 1.55;
  }

  .cards {
    gap: 14px;
  }

  .card,
  .service-detail,
  .value-card,
  .profile-card,
  .contact-card {
    padding: 22px;
    border-radius: 22px;
  }

  .service-detail {
    gap: 12px;
  }

  .service-detail ul,
  .check-list {
    padding-left: 20px;
    margin-top: 14px;
  }

  .service-detail li,
  .check-list li {
    margin-bottom: 8px;
    line-height: 1.5;
  }

  .service-number {
    display: block;
    margin-bottom: 6px;
  }

  .two-columns {
    gap: 18px;
  }

  .contact-box {
    padding: 32px 22px;
    border-radius: 24px;
  }

  .contact-box h2 {
    text-align: center;
  }

  .contact-box p {
    text-align: center;
  }

  .contact-actions {
    gap: 10px;
  }

  .footer-grid {
    text-align: center;
    gap: 18px;
  }

  .site-footer {
    padding-bottom: 80px;
  }

  .whatsapp-float {
    right: 16px;
    left: 16px;
    bottom: 14px;
    text-align: center;
    justify-content: center;
  }
}

@media (max-width: 420px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .logo span {
    font-size: 0.98rem;
  }

  .logo-img {
    width: 40px;
    height: 40px;
  }

  h1 {
    font-size: clamp(2.15rem, 10.5vw, 3rem);
  }

  h2 {
    font-size: clamp(1.85rem, 8vw, 2.35rem);
  }

  .badge,
  .eyebrow {
    font-size: 0.74rem;
    line-height: 1.25;
  }

  .brand-logo {
    max-height: 230px;
  }

  .terminal-card code {
    font-size: 0.8rem;
  }

  .card,
  .service-detail,
  .value-card,
  .profile-card,
  .contact-card {
    padding: 20px;
  }
}