/* Sol del Sur — estética tipo fábrica de software (referencia: utopia-software.com) */
:root {
  --bg-deep: #07080c;
  --bg-card: rgba(18, 22, 32, 0.72);
  --bg-card-hover: rgba(28, 35, 52, 0.85);
  --border: rgba(255, 255, 255, 0.06);
  --text: #e8ecf4;
  --text-muted: #8b95a8;
  --accent: #2ee4a6;
  --accent-dim: rgba(46, 228, 166, 0.15);
  --accent-glow: rgba(46, 228, 166, 0.35);
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 14px;
  --max: 1140px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-deep);
  min-height: 100vh;
}

/* Fondo con rejilla y viñeta */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 100% 80% at 50% -30%, rgba(46, 228, 166, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 50% at 100% 50%, rgba(59, 130, 246, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 40% at 0% 80%, rgba(139, 92, 246, 0.06), transparent 45%),
    var(--bg-deep);
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 20%, black 20%, transparent 75%);
  pointer-events: none;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.85;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 8, 12, 0.75);
  backdrop-filter: blur(14px);
}

.site-header .inner {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  line-height: 0;
  color: var(--text);
}

.logo-img {
  height: 42px;
  width: auto;
  max-width: min(200px, 42vw);
  object-fit: contain;
  object-position: left center;
  display: block;
}

@media (max-width: 400px) {
  .logo-img {
    height: 36px;
    max-width: 52vw;
  }
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-desktop a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-desktop a:hover {
  color: var(--text);
  opacity: 1;
}

.nav-cta {
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  background: var(--accent);
  color: #04120c !important;
  font-weight: 600;
  font-size: 0.875rem;
}

.nav-cta:hover {
  opacity: 0.92;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  padding: 1rem 1.25rem 1.5rem;
  background: rgba(7, 8, 12, 0.96);
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  gap: 0.75rem;
  z-index: 99;
}

.nav-mobile a {
  color: var(--text-muted);
  padding: 0.5rem 0;
  font-weight: 500;
}

.nav-mobile.open {
  display: flex;
}

@media (max-width: 900px) {
  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

/* Hero */
.hero {
  padding: calc(var(--header-h) + 4rem) 0 4.5rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.35rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  max-width: 920px;
  margin-inline: auto;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: transform 0.15s, box-shadow 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #04120c;
  box-shadow: 0 0 0 1px var(--accent-glow), 0 12px 40px -12px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 0 0 1px var(--accent), 0 16px 48px -8px var(--accent-glow);
}

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

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 720px;
  margin-inline: auto;
}

.stat {
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.stat strong {
  display: block;
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.stat span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

@media (max-width: 600px) {
  .stats {
    grid-template-columns: 1fr;
  }
}

/* Secciones genéricas */
section {
  padding: 4.5rem 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.section-head h2 {
  font-size: clamp(1.65rem, 3.5vw, 2.25rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Servicios */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 960px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  padding: 1.5rem 1.35rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(46, 228, 166, 0.25);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-dim);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

/* Productos destacados */
.products {
  background: linear-gradient(180deg, transparent, rgba(46, 228, 166, 0.04) 40%, transparent);
}

.products-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 800px) {
  .products-row {
    grid-template-columns: 1fr;
  }
}

.product-card {
  padding: 2rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(18, 22, 32, 0.9), rgba(12, 14, 20, 0.95));
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-dim), transparent 70%);
  pointer-events: none;
}

.product-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
}

.product-card p {
  color: var(--text-muted);
  margin: 0 0 1.25rem;
  font-size: 0.98rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  font-size: 0.78rem;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Por qué nosotros */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 900px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.feature-item:last-child {
  border-bottom: none;
}

.feature-item h4 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.feature-item p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.feature-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-dim);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.code-window {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #0c0e14;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.65;
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
}

.code-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}

.code-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #444;
}

.code-bar span:nth-child(1) {
  background: #ff5f57;
}

.code-bar span:nth-child(2) {
  background: #febc2e;
}

.code-bar span:nth-child(3) {
  background: #28c840;
}

.code-title {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.72rem;
}

.code-body {
  padding: 1.1rem 1.15rem;
  color: #a8b4c8;
  overflow-x: auto;
}

.code-body .k {
  color: #c792ea;
}

.code-body .f {
  color: #82aaff;
}

.code-body .s {
  color: #c3e88d;
}

.code-body .n {
  color: #f78c6c;
}

.code-body .c {
  color: #546e7a;
}

/* Proceso */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .process-steps {
    grid-template-columns: 1fr;
  }
}

.step {
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  position: relative;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Stack */
.stack-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  max-width: 900px;
  margin-inline: auto;
}

.stack-chip {
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: border-color 0.2s, color 0.2s;
}

.stack-chip:hover {
  border-color: rgba(46, 228, 166, 0.35);
  color: var(--text);
}

/* Contacto */
.contact-section {
  padding-bottom: 3rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info h3 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

.contact-rows {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-row h4 {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

.contact-row p {
  margin: 0;
  font-size: 0.95rem;
}

.form-card {
  padding: 2rem;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(46, 228, 166, 0.45);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  margin-top: 0.25rem;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.site-footer strong {
  color: var(--text);
}