/* ============================================================
   BASE.CSS — Variables, Reset, Typography
   VELARY — Módulo: Fundación
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600&family=Plus+Jakarta+Sans:wght@300;400;500&display=swap');

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
  /* Color Palette — logotipo Velary */
  --color-cyan:       #38BDF8;
  --color-blue:       #2176CC;
  --color-indigo:     #4F6EF7;
  --color-deep:       #1A4FA8;

  /* Gradientes */
  --gradient-brand:   linear-gradient(135deg, var(--color-cyan) 0%, var(--color-indigo) 100%);
  --gradient-subtle:  linear-gradient(135deg, rgba(56,189,248,0.12) 0%, rgba(79,110,247,0.12) 100%);
  --gradient-glow:    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(33,118,204,0.2) 0%, transparent 70%);

  /* Fondos — más claros, más respirable */
  --bg-base:          #111827;
  --bg-surface:       #1a2235;
  --bg-elevated:      #1f2d47;
  --bg-glass:         rgba(17, 24, 39, 0.75);

  /* Texto */
  --text-primary:     #F0F4FF;
  --text-secondary:   rgba(220, 230, 255, 0.65);
  --text-muted:       rgba(200, 215, 255, 0.38);

  /* Bordes */
  --border-subtle:    rgba(56, 189, 248, 0.14);
  --border-glow:      rgba(56, 189, 248, 0.35);

  /* Tipografía */
  --font-display:     'Sora', system-ui, sans-serif;
  --font-body:        'Plus Jakarta Sans', system-ui, sans-serif;

  /* Espaciado */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   2rem;
  --space-lg:   4rem;
  --space-xl:   8rem;
  --space-2xl:  12rem;

  /* Radios */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  24px;
  --radius-full: 999px;

  /* Transiciones */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:    cubic-bezier(0.7, 0, 0.84, 0);
  --duration-fast: 200ms;
  --duration-mid:  400ms;
  --duration-slow: 700ms;

  /* Sombras */
  --shadow-glow: 0 0 40px rgba(107, 110, 240, 0.25);
  --shadow-card: 0 2px 40px rgba(0, 0, 0, 0.6);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* Grid texture sutil — del boceto */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(56,189,248,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

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

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

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
}

/* ── Tipografía Global ────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.label-caps {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

/* ── Utilidades Globales ──────────────────────────────────── */
.container {
  width: min(90%, 1160px);
  margin-inline: auto;
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Botones ──────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 2.2rem;
  background: var(--gradient-brand);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  transition: opacity var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-mid) var(--ease-out);
  position: relative;
  overflow: hidden;

}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(107, 110, 240, 0.5);
}

.btn-primary:hover::after {
  opacity: 1;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  border: 1px solid var(--border-glow);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  transition: border-color var(--duration-fast),
              background var(--duration-fast),
              transform var(--duration-fast) var(--ease-out);
}

.btn-secondary:hover {
  background: var(--gradient-subtle);
  border-color: var(--color-indigo);
  transform: translateY(-2px);
}

/* ── Divider ──────────────────────────────────────────────── */
.section-divider {
  width: 1px;
  height: 80px;
  background: var(--gradient-brand);
  margin-inline: auto;
  opacity: 0.4;
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-indigo); }