/* ============================================================
   LlanoTech · Coming Soon · 2026
   Paleta corporativa · Azul profundo / naranja tech / blanco
   Tipografía: Space Grotesk (display) + Inter (body) + JetBrains Mono (código)
   ============================================================ */

/* Reset & tokens */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Paleta corporativa */
  --color-bg: #0A2540;
  --color-bg-alt: #061A2E;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F4F7FB;
  --color-text: #0A2540;
  --color-text-muted: #4A5B73;
  --color-text-on-dark: #FFFFFF;
  --color-text-on-dark-muted: rgba(255, 255, 255, 0.72);
  --color-primary: #0A2540;
  --color-accent: #FF6B35;
  --color-accent-deep: #E0501C;
  --color-line: rgba(255, 255, 255, 0.1);
  --color-line-light: rgba(10, 37, 64, 0.1);

  /* Tipografía */
  --font-display: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Radios */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.08);
  --shadow-md: 0 8px 24px rgba(10, 37, 64, 0.12);
  --shadow-lg: 0 24px 64px rgba(10, 37, 64, 0.2);

  /* Layout */
  --container: 1180px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text-on-dark);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  color: var(--color-accent);
  background: rgba(255, 107, 53, 0.08);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* Utilities */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-5);
  font-weight: 600;
  border-radius: 0 0 var(--radius-md) 0;
  z-index: 1000;
  transition: top 150ms var(--ease-out);
}

.skip-link:focus {
  top: 0;
}

/* Decorative grid background */
.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
}

/* Header */
.site-header {
  position: relative;
  z-index: 10;
  padding: var(--space-5) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-on-dark);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  color: var(--color-accent);
}

.brand-word {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  line-height: 1;
}

.brand-slash {
  color: var(--color-accent);
  margin-inline: 1px;
}

.site-nav {
  display: flex;
  gap: var(--space-6);
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a {
  color: var(--color-text-on-dark-muted);
  transition: color 150ms var(--ease-out);
}

.site-nav a:hover {
  color: var(--color-accent);
}

/* Hero */
.hero {
  position: relative;
  padding: var(--space-9) 0 var(--space-10);
  isolation: isolate;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 880px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-line);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  margin-bottom: var(--space-7);
  color: var(--color-text-on-dark-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}

.status-bar {
  width: 60px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.status-bar-fill {
  display: block;
  width: 70%;
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  animation: fillBar 3s ease-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.2); }
}

@keyframes fillBar {
  0% { width: 0%; }
  100% { width: 70%; }
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-6);
}

.line {
  display: block;
}

.accent-line {
  color: var(--color-accent);
  font-style: italic;
  font-weight: 500;
  position: relative;
}

.accent-line::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  opacity: 0.6;
}

.hero-lead {
  font-size: 1.18rem;
  line-height: 1.6;
  color: var(--color-text-on-dark-muted);
  max-width: 680px;
  margin-bottom: var(--space-7);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-9);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.95rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  transition: transform 200ms var(--ease-out), background 200ms var(--ease-out), color 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
  white-space: nowrap;
  min-height: 48px;
}

.btn-primary {
  background: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.32);
}

.btn-primary:hover {
  background: var(--color-accent-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 107, 53, 0.48);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-on-dark);
  border: 1.5px solid var(--color-line);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-lg {
  padding: 1.15rem 1.85rem;
  font-size: 1rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-line);
  max-width: 720px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat dt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.stat dd {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-on-dark);
}

.stat code {
  background: rgba(255, 107, 53, 0.12);
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.5;
}

.hero-visual svg {
  width: 100%;
  height: 100%;
}

/* Sections */
.section {
  position: relative;
  padding: var(--space-10) 0;
  isolation: isolate;
}

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-8);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.section-platform .section-title,
.section-solutions .section-title,
.section-cta .section-title {
  color: var(--color-text-on-dark);
}

.section-lead {
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--color-text-on-dark-muted);
}

.eyebrow code {
  font-size: 0.85rem;
  background: rgba(255, 107, 53, 0.1);
}

/* Layers */
.layers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.layer-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  transition: transform 250ms var(--ease-out), background 250ms var(--ease-out), border-color 250ms var(--ease-out);
}

.layer-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 107, 53, 0.4);
}

.layer-head {
  margin-bottom: var(--space-4);
}

.layer-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.layer-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--color-text-on-dark);
}

.layer-card > p {
  font-size: 0.97rem;
  line-height: 1.6;
  color: var(--color-text-on-dark-muted);
  margin-bottom: var(--space-5);
}

.layer-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.layer-features li {
  position: relative;
  padding-left: var(--space-5);
  font-size: 0.9rem;
  color: var(--color-text-on-dark-muted);
}

.layer-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 12px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

/* Solutions */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.solution {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  transition: transform 250ms var(--ease-out), background 250ms var(--ease-out);
}

.solution:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.06);
}

.solution-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: rgba(255, 107, 53, 0.12);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
}

.solution h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-3);
}

.solution p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-on-dark-muted);
  margin-bottom: var(--space-4);
}

.solution-meta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-line);
}

/* CTA */
.section-cta {
  padding: var(--space-9) 0 var(--space-10);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-7);
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
}

.cta-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.12;
  margin-bottom: var(--space-3);
}

.section-cta .section-lead {
  font-size: 1rem;
  max-width: 580px;
}

/* Footer */
.site-footer {
  padding: var(--space-7) 0;
  border-top: 1px solid var(--color-line);
  background: var(--color-bg-alt);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-5);
  align-items: center;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--color-text-on-dark-muted);
  margin-top: var(--space-2);
}

.footer-nav {
  display: flex;
  gap: var(--space-5);
  font-size: 0.9rem;
  color: var(--color-text-on-dark-muted);
}

.footer-nav a {
  transition: color 150ms var(--ease-out);
}

.footer-nav a:hover {
  color: var(--color-accent);
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--color-text-on-dark-muted);
  text-align: right;
}

/* Responsive */
@media (max-width: 900px) {
  body {
    font-size: 16px;
  }

  .site-nav {
    display: none;
  }

  .layers,
  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .cta-inner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-6);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-4);
  }

  .footer-copy {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-7) 0 var(--space-8);
  }

  .section {
    padding: var(--space-8) 0;
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .layer-card,
  .solution {
    padding: var(--space-6);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .status-dot,
  .status-bar-fill {
    animation: none;
  }

  .status-bar-fill {
    width: 70%;
  }
}