/* ============================================
   SRG - Sistemas Renovables Galicia
   Hoja de estilos general del sitio web
   ============================================ */

/* ---- Variables de marca ---- */
:root {
  --srg-blue-dark:  #1a3a5c;
  --srg-blue:       #2d7db3;
  --srg-blue-light: #c8daea;
  --srg-text:       #2d4a6e;
  --srg-bg:         #f0f5fb;
  --srg-white:      #ffffff;
  --srg-radius:     8px;
  --srg-font:       'Segoe UI', Calibri, sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--srg-font);
  color: var(--srg-text);
  background-color: var(--srg-bg);
  line-height: 1.6;
}

/* ---- Tipografía general ---- */
h1, h2, h3, h4, h5, h6 {
  color: var(--srg-blue-dark);
  line-height: 1.2;
  font-weight: 700;
}

a {
  color: var(--srg-blue);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--srg-blue-dark); text-decoration: underline; }

/* ---- Layout y contenedores ---- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 60px 0;
}

/* ---- Botones ---- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: var(--srg-font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  letter-spacing: 0.4px;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--srg-blue-dark);
  color: var(--srg-white);
}
.btn-primary:hover {
  background: var(--srg-blue);
  box-shadow: 0 4px 16px rgba(45,125,179,0.3);
  text-decoration: none;
  color: var(--srg-white);
}

.btn-secondary {
  background: transparent;
  color: var(--srg-blue);
  border: 2px solid var(--srg-blue);
}
.btn-secondary:hover {
  background: var(--srg-blue);
  color: var(--srg-white);
  text-decoration: none;
}

/* ---- Tarjetas ---- */
.card {
  background: var(--srg-white);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(45,77,110,0.10);
  padding: 32px;
}

/* ---- Insignia / Badge ---- */
.badge {
  display: inline-block;
  background: var(--srg-blue);
  color: var(--srg-white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 30px;
}

/* ---- Divisor ---- */
.divider {
  border: none;
  border-top: 1px solid var(--srg-blue-light);
  margin: 24px 0;
}

/* ============================================
   FIRMA DE CORREO ELECTRÓNICO
   ============================================ */

.srg-firma {
  font-family: var(--srg-font);
  font-size: 13px;
  color: var(--srg-text);
  line-height: 1.5;
  max-width: 520px;
  border-left: 4px solid var(--srg-blue);
  padding-left: 16px;
  margin: 0;
  background: transparent;
}

.srg-firma__logo {
  display: block;
  margin-bottom: 10px;
}
.srg-firma__logo img {
  height: 64px;
  width: auto;
  display: block;
}

.srg-firma__divider {
  border: none;
  border-top: 1px solid var(--srg-blue-light);
  margin: 10px 0;
}

.srg-firma__contact {
  margin: 0;
  padding: 0;
  list-style: none;
}
.srg-firma__contact li {
  margin-bottom: 5px;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}
.srg-firma__icon {
  font-style: normal;
  min-width: 18px;
  display: inline-block;
}
.srg-firma__contact a {
  color: var(--srg-text);
  text-decoration: none;
}
.srg-firma__contact a:hover {
  color: var(--srg-blue);
  text-decoration: underline;
}
.srg-firma__web a {
  color: var(--srg-blue);
  font-weight: 600;
}
.srg-firma__badge {
  margin-top: 12px;
  display: inline-block;
  background: var(--srg-blue);
  color: var(--srg-white);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
}

/* ============================================
   PÁGINA DE PREVISUALIZACIÓN (index.html)
   ============================================ */

.page-header {
  text-align: center;
  padding: 48px 24px 0;
}
.page-header h1 {
  font-size: 2rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.page-header p {
  color: var(--srg-blue);
  font-size: 0.9rem;
  margin-top: 4px;
}

.preview-card {
  max-width: 600px;
  width: 100%;
}
.preview-card h2 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--srg-blue);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--srg-blue-light);
  padding-bottom: 10px;
}

.copy-section { text-align: center; }
.copy-msg {
  display: none;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--srg-blue);
  font-weight: 600;
}

site-footer {
  font-size: 0.75rem;
  color: #8ba4be;
  text-align: center;
  padding: 16px;
}