/* ==========================================================================
   BASE — tokens de diseño, reset, layout general y componentes compartidos
   ========================================================================== */

:root {
  /* Colores */
  --bg: #07090f;
  --card: #10151f;
  --card2: #161d2a;
  --border: #1c2537;
  --amber: #f59e0b;
  --amber2: #fbbf24;
  --text: #eef2f8;
  --text2: #7a8fa8;
  --text3: #3d5068;

  /* Forma */
  --rad: 14px;
  --nav-height: 64px;
  --page-gutter: clamp(20px, 5vw, 80px);
  --content-max: 1200px;

  /* Tipografía */
  --mono: "JetBrains Mono", monospace;
  --body: "Lora", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "San Francisco", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Grilla sutil de fondo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(245, 158, 11, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 158, 11, 0.025) 1px, transparent 1px);
  background-size: 52px 52px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--sans);
  line-height: 1.05;
}

p {
  line-height: 1.75;
  color: var(--text2);
  font-family: var(--body);
}

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

/* Layout */
main {
  position: relative;
  z-index: 1;
}

section {
  padding: 100px var(--page-gutter);
  max-width: var(--content-max);
  margin: 0 auto;
}

section#projects {
  padding-top: 10px;
  padding-bottom: 20px;
}

section#contact {
  padding-top: 20px;
  padding-bottom: 20px;
}

/* Encabezado de sección */
.sec-header {
  margin-bottom: 60px;
}

.sec-label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.sec-title {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 900;
  letter-spacing: -1px;
}

.sec-line {
  width: 48px;
  height: 3px;
  background: var(--amber);
  border-radius: 2px;
  margin-top: 18px;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 10px;
  font-family: var(--body);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: 0.22s;
}

.btn-primary {
  background: var(--amber);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--amber2);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245, 158, 11, 0.28);
}

.btn-outline {
  background: transparent;
  color: var(--text2);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-2px);
}

/* WhatsApp: verde de marca para que el contacto directo destaque */
.btn-whatsapp {
  background: #25d366;
  color: #04210f;
}

.btn-whatsapp:hover {
  background: #3ee37b;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.28);
}

/* Animación de entrada al hacer scroll (ver js/reveal.js) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Accesibilidad: foco visible solo para navegación con teclado */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}

/* Respeta la preferencia de menos movimiento */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}