/* ================================================================
   INGESOLAR — Base Styles v1.0
   Reset + tipografía + utilidades + botones + footer + FAB
   Importar DESPUÉS de tokens.css, ANTES de nav.css y estilos de página.
   ================================================================ */

@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Libre+Baskerville:wght@700&display=swap");

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  tab-size: 4;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--line-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  padding-top: var(--nav-height);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
p, h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }

/* ─── FOCO VISIBLE ───────────────────────────────────────────────── */
:focus-visible {
  outline: 3px solid rgba(245, 192, 58, 0.55);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ─── LAYOUT ─────────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-4); }
}

/* ─── TIPOGRAFÍA: ESCALA ─────────────────────────────────────────── */
h1 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: var(--line-tight);
  letter-spacing: -0.01em;
}

h2 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: var(--line-tight);
  letter-spacing: -0.01em;
}

h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--line-normal);
}

h4, h5, h6 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: var(--line-normal);
}

p { line-height: var(--line-relaxed); }

@media (max-width: 768px) {
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
}

/* ─── UTILIDADES DE TEXTO ────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.eyebrow-solar  { color: var(--color-solar-dark); }
.eyebrow-ondark { color: var(--color-solar); }

.solar-highlight {
  background: linear-gradient(
    180deg,
    transparent 0%,
    transparent 60%,
    var(--color-solar) 60%,
    var(--color-solar) 92%,
    transparent 92%
  );
  padding: 0 4px;
}

.text-muted    { color: var(--color-text-muted); }
.text-on-dark  { color: var(--color-text-on-dark); }
.text-solar    { color: var(--color-solar); }
.font-display  { font-family: var(--font-display); }
.tabular-nums  { font-variant-numeric: tabular-nums; }

/* ─── SECTION BADGE ──────────────────────────────────────────────── */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-solar-soft);
  border: 1px solid var(--color-solar-border);
  color: var(--color-solar-dark);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.section-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-solar-dark);
  flex-shrink: 0;
}

/* ─── BOTONES ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-base);
  text-decoration: none;
  min-height: 48px; /* touch target */
}

.btn-primary {
  background: var(--color-solar);
  color: var(--color-black);
  border-color: transparent;
  box-shadow: var(--shadow-solar-sm);
}
.btn-primary:hover {
  background: var(--color-solar-dark);
  box-shadow: var(--shadow-solar);
}
.btn-primary:active { transform: scale(0.97); box-shadow: none; }

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-light);
}
.btn-secondary:hover {
  background: rgba(0,0,0,0.04);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px rgba(0,0,0,0.15);
}

.btn-dark {
  background: var(--color-black);
  color: var(--color-solar);
  border-color: var(--color-black);
  box-shadow: var(--shadow-md);
}
.btn-dark:hover {
  background: var(--color-black-2);
  box-shadow: var(--shadow-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
}
.btn-ghost:hover { background: rgba(0,0,0,0.05); }

.btn-ghost-dark {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.25);
}
.btn-ghost-dark:hover { border-color: var(--color-solar); color: var(--color-solar); }

.btn-wa {
  background: var(--color-whatsapp);
  color: var(--color-white);
  border-color: transparent;
}
.btn-wa:hover {
  filter: brightness(0.92);
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-soft);
}

/* Tamaños */
.btn-sm  { padding: 10px 18px; font-size: 13px; min-height: 40px; }
.btn-lg  { padding: 16px 32px; font-size: 16px; min-height: 54px; }

/* ─── CARDS ──────────────────────────────────────────────────────── */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
}

.card-hover {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
  cursor: pointer;
}
.card-hover:hover {
  border-color: var(--color-border-dark);
  box-shadow: var(--shadow-soft);
}

.card-accent {
  background: var(--color-white);
  border: 1.5px solid var(--color-solar-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-solar-sm);
}

.card-dark {
  background: var(--color-black);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-dark);
}

/* ─── ICON BOX ───────────────────────────────────────────────────── */
.icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-solar-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-solar-dark);
  flex-shrink: 0;
}

.icon-box-lg { width: 56px; height: 56px; }

.icon-box-dark {
  background: rgba(245, 192, 58, 0.16);
  color: var(--color-solar);
}

/* ─── CHIP / BADGE ───────────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  background: var(--color-solar-soft);
  color: var(--color-solar-dark);
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-solar-border);
}

.chip-outline {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border-light);
}

.chip-green {
  background: var(--color-green-soft);
  color: var(--color-green);
  border-color: rgba(78, 154, 87, 0.3);
}

/* ─── TRUST STRIP ────────────────────────────────────────────────── */
.trust-strip {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.trust-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-green);
  flex-shrink: 0;
}

/* ─── CHECKLIST ──────────────────────────────────────────────────── */
.checklist { display: flex; flex-direction: column; gap: var(--space-3); list-style: none; }

.checklist li,
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-md);
  color: var(--color-text-muted);
  padding-left: var(--space-1);
}

.checklist li::before {
  content: '✓';
  color: var(--color-solar-dark);
  font-weight: 700;
  flex-shrink: 0;
}

.checklist-item svg,
.checklist li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ─── FOOTER ─────────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-black);
  padding: var(--space-16) 0 0;
  color: var(--color-text-on-dark);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
}

.footer-brand .footer-logo { margin-bottom: var(--space-4); }

.footer-phrase {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-white);
  line-height: 1.4;
  max-width: 240px;
}

.footer-col-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-solar);
  margin-bottom: var(--space-4);
}

.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }

.footer-links a {
  font-size: var(--text-md);
  color: var(--color-text-on-dark);
  transition: color var(--transition-base);
}
.footer-links a:hover { color: var(--color-white); }

.footer-sedes { display: flex; flex-direction: column; gap: var(--space-3); }

.footer-sede {
  display: flex;
  flex-direction: column;
  font-size: var(--text-md);
}
.footer-sede strong {
  color: var(--color-white);
  font-weight: 600;
  margin-bottom: 2px;
}
.footer-sede span { color: var(--color-text-on-dark); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-5) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.footer-legal { font-size: var(--text-sm); color: var(--color-text-on-dark); }

.footer-vendor-link {
  color: var(--color-text-on-dark);
  opacity: 0.35;
  text-decoration: none;
  margin-left: var(--space-2);
  transition: opacity var(--transition-fast);
}
.footer-vendor-link:hover { opacity: 0.75; }

.footer-social { display: flex; gap: var(--space-4); }

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-on-dark);
  transition: all var(--transition-base);
}
.footer-social a:hover { border-color: var(--color-solar); color: var(--color-solar); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 440px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-container { padding: 0 var(--space-4); }
}

/* ─── FAB WHATSAPP ───────────────────────────────────────────────── */
.fab-wa {
  position: fixed;
  bottom: 22px;
  right: 18px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.40);
  z-index: 200;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.fab-wa:hover { transform: scale(1.08); box-shadow: 0 6px 24px rgba(37, 211, 102, 0.55); }

/* ─── SECCIONES: FONDOS ──────────────────────────────────────────── */
.section-bg     { background: var(--color-bg); }
.section-white  { background: var(--color-white); }
.section-solar  { background: var(--color-solar-soft); }
.section-dark   { background: var(--color-black); color: var(--color-white); }

/* ─── IMPACT BLOCK ───────────────────────────────────────────────── */
.impact-block {
  background: var(--color-black);
  padding: var(--space-16) 0;
  position: relative;
  overflow: hidden;
}
.impact-block::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-solar-glow) 0%, transparent 65%);
  pointer-events: none;
}

.kpi-number {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  color: var(--color-solar);
  line-height: 1;
  letter-spacing: -0.015em;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 768px) { .kpi-number { font-size: 44px; } }

/* ─── FORM FIELDS ────────────────────────────────────────────────── */
.field-label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.field-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border-light);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.field-input:focus {
  outline: none;
  border-color: var(--color-solar-dark);
  box-shadow: 0 0 0 3px rgba(245, 192, 58, 0.20);
}
.field-input.error { border-color: var(--color-error); }

/* ─── CHOICE GRID — selector de necesidad del home ──────────────── */
.choice-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .choice-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 440px) {
  .choice-grid { grid-template-columns: 1fr; }
}

/* ─── PAGE CONTENT — wrapper semántico de <main> ─────────────────── */
.page-content {
  min-height: calc(100vh - var(--nav-height));
}

/* ─── MOTION REDUCIDA ────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}