/* gsilvera.com — home
   Misma paleta que la 404 para mantener identidad:
   --bg #0B0D10  --panel #12151A  --panel-2 #171B21  --line #23272E
   --text #D7DBE0  --muted #6B7280
   --amber #F2B84B (acento primario)  --teal #5CC8C0 (acento secundario)
   --red #E5534B (solo para errores/validación)
*/

:root {
  --bg: #0B0D10;
  --panel: #12151A;
  --panel-2: #171B21;
  --line: #23272E;
  --text: #D7DBE0;
  --muted: #6B7280;
  --amber: #F2B84B;
  --teal: #5CC8C0;
  --red: #E5534B;
  --radius: 10px;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --maxw: 720px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 15% 8%, rgba(242, 184, 75, 0.05), transparent 40%),
    radial-gradient(circle at 85% 92%, rgba(92, 200, 192, 0.05), transparent 45%);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

a {
  color: var(--teal);
}

/* Nav */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 20px 0;
}

.nav-logo {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--text);
}

.nav-logo .dim {
  color: var(--muted);
}

.nav-link {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--muted);
  text-decoration: none;
  padding: 4px 2px;
  border-bottom: 1px solid transparent;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

/* Layout base */

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 64px 0;
}

.section-title {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  margin: 0 0 24px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

/* Ventana estilo editor (compartida hero/contacto) */

.window {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px -25px rgba(0, 0, 0, 0.6);
}

.titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red { background: #E5534B; }
.dot-yellow { background: #F2B84B; }
.dot-green { background: #4FA980; }

.filename {
  margin-left: 8px;
  font-size: 12.5px;
  color: var(--muted);
  font-family: var(--mono);
}

/* Hero */

.hero {
  padding-top: 56px;
}

.code {
  margin: 0;
  padding: 20px 20px 22px;
  font-family: var(--mono);
  font-size: 14.5px;
  line-height: 1.75;
  overflow-x: auto;
}

.ln {
  display: inline-block;
  width: 18px;
  color: #383D45;
  user-select: none;
}

.kw { color: var(--teal); }
.var { color: var(--text); }
.op { color: var(--muted); }
.prop { color: var(--text); }
.str { color: var(--amber); }
.bool { color: var(--teal); }

.hero-line {
  font-size: 17px;
  color: var(--text);
  max-width: 46ch;
  margin: 26px 0 0;
}

.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--mono);
  font-size: 13.5px;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 6px;
  display: inline-block;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--amber);
  color: #1A1204;
  font-weight: 600;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #F5C568;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--teal);
  color: var(--teal);
}

.btn:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* Servicios */

.fn-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.fn {
  padding-left: 18px;
  border-left: 2px solid var(--line);
}

.fn-sig {
  font-family: var(--mono);
  font-size: 15px;
  margin: 0 0 6px;
}

.fn-sig .kw {
  color: var(--muted);
}

.fn-name {
  color: var(--amber);
}

.fn-desc {
  margin: 0;
  color: var(--muted);
  max-width: 54ch;
  font-size: 15px;
}

/* Contacto */

.mail-form {
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
}

.field input,
.field textarea {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 14.5px;
  padding: 10px 12px;
  resize: vertical;
}

.field input:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
  border-color: var(--teal);
}

.field input:invalid:not(:placeholder-shown),
.field textarea:invalid:not(:placeholder-shown) {
  border-color: var(--red);
}

.form-note {
  margin: 0;
  font-size: 12.5px;
  color: var(--muted);
}

.direct-email {
  margin-top: 20px;
  font-size: 14.5px;
  color: var(--muted);
}

.email-copy {
  background: none;
  border: none;
  color: var(--teal);
  font-family: var(--mono);
  font-size: 14.5px;
  cursor: pointer;
  padding: 0;
  border-bottom: 1px solid transparent;
}

.email-copy:hover,
.email-copy:focus-visible {
  border-bottom-color: var(--teal);
}

.email-copy:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.email-copy.copied {
  color: var(--amber);
}

/* Firma */

.sig {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 30px 20px 50px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  text-align: center;
}

.sig-name {
  color: var(--text);
}

.sig-sep {
  margin: 0 8px;
  color: var(--line);
}

/* Mobile */

@media (max-width: 480px) {
  section {
    padding: 44px 0;
  }
  .hero {
    padding-top: 40px;
  }
  .code {
    font-size: 13px;
    padding: 16px 14px 18px;
  }
  .hero-line {
    font-size: 16px;
  }
}