/* ============================================================
   FUNDACIÓN GRUMC — Hoja de Estilos Principal
   Paleta: Vino (#6B1A2A), Blanco (#FFFFFF), Gris Oxford (#3B3F45)
   Acento claro: #8C2339 | Texto suave: #6C7280 | Fondo sección: #F5F5F5
   ============================================================ */

/* ── 0. TOKENS & RESET ─────────────────────────────────────── */
:root {
  --color-wine:        #6B1A2A;
  --color-wine-dark:   #4E1120;
  --color-wine-light:  #8C2339;
  --color-white:       #FFFFFF;
  --color-oxford:      #3B3F45;
  --color-oxford-soft: #6C7280;
  --color-bg-section:  #F4F4F2;
  --color-bg-alt:      #ECEAE8;
  --color-border:      #D9D6D3;
  --color-gold-accent: #C9A96E;

  --font-main:    'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  --shadow-sm:  0 1px 4px rgba(59,63,69,.08);
  --shadow-md:  0 4px 20px rgba(59,63,69,.12);
  --shadow-lg:  0 12px 40px rgba(59,63,69,.16);

  --transition: 0.25s ease;
  --container:  1200px;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--color-oxford);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── 1. UTILITY ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-wine);
  margin-bottom: .75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--color-oxford);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-oxford-soft);
  max-width: 620px;
  line-height: 1.7;
}

.divider-wine {
  width: 48px;
  height: 3px;
  background: var(--color-wine);
  border-radius: 2px;
  margin: 1rem 0 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .03em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition),
              transform var(--transition), box-shadow var(--transition);
}

.btn-wine {
  background: var(--color-wine);
  color: var(--color-white);
  border-color: var(--color-wine);
}
.btn-wine:hover {
  background: var(--color-wine-dark);
  border-color: var(--color-wine-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(107,26,42,.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-wine);
  border-color: var(--color-wine);
}
.btn-outline:hover {
  background: var(--color-wine);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-ghost-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.6);
}
.btn-ghost-white:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--color-white);
}

/* ── 2. TOP BAR ──────────────────────────────────────────────── */
.top-bar {
  background: var(--color-wine-dark);
  color: rgba(255,255,255,.75);
  font-size: .78rem;
  padding: .45rem 0;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
}
.top-bar a { color: rgba(255,255,255,.85); transition: color var(--transition); }
.top-bar a:hover { color: #fff; }
.top-bar-links { display: flex; gap: 1.25rem; }

/* ── 3. HEADER / NAV ────────────────────────────────────────── */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0; /* elimina espacio inline bajo la imagen */
}

.logo-img {
  max-height: 65px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  /* Centra verticalmente dentro del nav-wrapper de 72px */
  align-self: center;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--color-wine);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: #fff;
  stroke-width: 2;
}

.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-oxford);
  letter-spacing: .01em;
}
.logo-tagline {
  font-size: .65rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-wine);
}

/* Nav links */
.main-nav { display: flex; align-items: center; gap: .25rem; }

.nav-link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-oxford);
  padding: .45rem .85rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: .85rem; right: .85rem;
  height: 2px;
  background: var(--color-wine);
  border-radius: 1px;
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-link:hover { color: var(--color-wine); background: rgba(107,26,42,.05); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--color-wine); font-weight: 600; }

.nav-cta { margin-left: .5rem; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-oxford);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 1rem 1.25rem 1.5rem;
  gap: .25rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav .nav-link { font-size: 1rem; padding: .65rem .75rem; }
.mobile-nav .btn { margin-top: .75rem; width: 100%; justify-content: center; }

/* ── 4. HERO ────────────────────────────────────────────────── */
.hero {
  background:
    linear-gradient(135deg, rgba(75,17,27,.92) 0%, rgba(59,63,69,.85) 100%),
    url('assets/hero-bg.jpg') center/cover no-repeat;
  min-height: 88vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Subtle geometric overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 60px,
      rgba(255,255,255,.015) 60px,
      rgba(255,255,255,.015) 61px
    );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: 4rem 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(201,169,110,.18);
  border: 1px solid rgba(201,169,110,.4);
  border-radius: 20px;
  padding: .3rem 1rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-gold-accent);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-title em {
  font-style: normal;
  color: var(--color-gold-accent);
}

.hero-text {
  font-size: 1.05rem;
  color: rgba(255,255,255,.8);
  line-height: 1.75;
  margin-bottom: 2.25rem;
  max-width: 560px;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero stats strip */
.hero-stats {
  background: var(--color-wine-dark);
  border-top: 3px solid var(--color-wine-light);
}
.hero-stats .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 1.75rem 1rem;
  border-right: 1px solid rgba(255,255,255,.1);
  transition: background var(--transition);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(255,255,255,.05); }
.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-gold-accent);
  line-height: 1;
  display: block;
}
.stat-label {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.65);
  margin-top: .35rem;
  display: block;
}

/* ── 5. MISIÓN BANNER ──────────────────────────────────────── */
.mision-banner {
  background: var(--color-bg-section);
  border-left: 5px solid var(--color-wine);
  padding: 3rem 0;
}
.mision-inner {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.mision-icon {
  width: 56px;
  height: 56px;
  background: var(--color-wine);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.mision-icon svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 1.8; }
.mision-text h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-oxford);
  margin-bottom: .5rem;
}
.mision-text p { color: var(--color-oxford-soft); max-width: 760px; font-size: 1rem; line-height: 1.8; }

/* ── 6. ÁREAS DE ACCIÓN ─────────────────────────────────────── */
.areas-section { padding: 6rem 0; background: var(--color-white); }

.section-header { margin-bottom: 3rem; }
.section-header.center { text-align: center; }
.section-header.center .divider-wine { margin: 1rem auto 1.5rem; }
.section-header.center .section-subtitle { margin: 0 auto; }

.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.area-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.area-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-wine);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.area-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.area-card:hover::before { transform: scaleX(1); }

.area-icon {
  width: 52px; height: 52px;
  background: rgba(107,26,42,.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.area-card:hover .area-icon { background: var(--color-wine); }
.area-icon svg {
  width: 24px; height: 24px;
  fill: none;
  stroke: var(--color-wine);
  stroke-width: 1.8;
  transition: stroke var(--transition);
}
.area-card:hover .area-icon svg { stroke: #fff; }

.area-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-oxford);
  line-height: 1.3;
}
.area-card p {
  font-size: .9rem;
  color: var(--color-oxford-soft);
  line-height: 1.7;
  flex: 1;
}
.area-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-wine);
  transition: gap var(--transition);
}
.area-link:hover { gap: .6rem; }
.area-link svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2.5; }

/* ── 7. TRANSPARENCIA / INFORMES ─────────────────────────────── */
.informes-section {
  padding: 6rem 0;
  background: var(--color-bg-section);
}

.informes-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}

.informes-intro h2 { margin-bottom: 0; }
.informes-intro .section-subtitle { margin-top: .75rem; }

.transparencia-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(107,26,42,.08);
  border-radius: 20px;
  padding: .4rem 1rem;
  font-size: .78rem;
  font-weight: 600;
  color: var(--color-wine);
  margin-top: 1.5rem;
}
.transparencia-badge svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2.5; }

.informes-list { display: flex; flex-direction: column; gap: .85rem; }

.informe-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.informe-item:hover {
  border-color: var(--color-wine);
  box-shadow: var(--shadow-md);
  transform: translateX(3px);
}

.informe-year-badge {
  background: var(--color-wine);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: .3rem .6rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  writing-mode: initial;
}

.informe-info { flex: 1; }
.informe-info h4 {
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-oxford);
  margin-bottom: .15rem;
}
.informe-info p { font-size: .8rem; color: var(--color-oxford-soft); }

.informe-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .4rem;
  flex-shrink: 0;
}
.informe-size {
  font-size: .75rem;
  color: var(--color-oxford-soft);
}

.btn-dl {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-wine);
  border: 1.5px solid var(--color-wine);
  padding: .35rem .8rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.btn-dl:hover { background: var(--color-wine); color: #fff; }
.btn-dl svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 2.5; }

.informes-note {
  margin-top: 1.25rem;
  font-size: .82rem;
  color: var(--color-oxford-soft);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.informes-note svg { width: 15px; height: 15px; fill: none; stroke: var(--color-wine); stroke-width: 2; flex-shrink: 0; }

/* ── 8. DONACIONES CTA ──────────────────────────────────────── */
.donaciones-section {
  padding: 6rem 0;
  background: var(--color-wine);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.donaciones-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 20% 50%, rgba(255,255,255,.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 50%, rgba(0,0,0,.15) 0%, transparent 60%);
  pointer-events: none;
}
.donaciones-inner { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }
.donaciones-inner .section-label { color: rgba(255,255,255,.75); }
.donaciones-inner .section-title { color: var(--color-white); }
.donaciones-inner .section-subtitle { color: rgba(255,255,255,.75); margin: 0 auto 2rem; }
.donaciones-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.btn-white {
  background: var(--color-white);
  color: var(--color-wine);
  border-color: var(--color-white);
}
.btn-white:hover {
  background: rgba(255,255,255,.9);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.2);
}

/* ── 9. FOOTER ───────────────────────────────────────────────── */
.site-footer {
  background: var(--color-oxford);
  color: rgba(255,255,255,.7);
}

.footer-main {
  padding: 4rem 0 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2.5rem;
}

.footer-brand .logo-name { color: #fff; font-size: 1.2rem; }
.footer-brand .logo-tagline { color: rgba(255,255,255,.5); }
.footer-brand p {
  font-size: .88rem;
  line-height: 1.75;
  margin: 1.25rem 0 1.5rem;
  max-width: 280px;
}

.footer-col h4 {
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1.1rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-col ul { display: flex; flex-direction: column; gap: .55rem; }
.footer-col ul li a {
  font-size: .88rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
}
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .88rem;
  margin-bottom: .75rem;
  color: rgba(255,255,255,.65);
}
.footer-contact-item svg {
  width: 15px; height: 15px;
  fill: none; stroke: var(--color-wine-light);
  stroke-width: 2; flex-shrink: 0;
  margin-top: .15rem;
}

.social-links {
  display: flex;
  gap: .6rem;
  margin-top: .5rem;
}
.social-link {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}
.social-link:hover { background: var(--color-wine); border-color: var(--color-wine); }
.social-link svg { width: 14px; height: 14px; fill: none; stroke: #fff; stroke-width: 2; }

/* Footer bottom bar */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1.25rem 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
}
.footer-bottom p { font-size: .82rem; color: rgba(255,255,255,.45); }
.footer-legal {
  display: flex;
  gap: 1.5rem;
}
.footer-legal a {
  font-size: .82rem;
  color: rgba(255,255,255,.45);
  transition: color var(--transition);
}
.footer-legal a:hover { color: #fff; }

/* ── 10. SCROLL-TO-TOP ──────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px; height: 44px;
  background: var(--color-wine);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 900;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { background: var(--color-wine-dark); }
.scroll-top svg { width: 18px; height: 18px; fill: none; stroke: #fff; stroke-width: 2.5; }

/* ── 11. RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .informes-layout { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .nav-cta.desktop { display: none; }

  .hero { min-height: 75vh; }
  .hero-content { padding: 3rem 0; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .hero-stats .container { grid-template-columns: 1fr 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); }
  .stat-item:nth-child(2n) { }

  .areas-section { padding: 4rem 0; }
  .informes-section { padding: 4rem 0; }
  .donaciones-section { padding: 4rem 0; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-main { padding: 3rem 0 2rem; }

  .top-bar .container { justify-content: center; }
}

@media (max-width: 480px) {
  .informe-item { flex-wrap: wrap; }
  .informe-meta { flex-direction: row; align-items: center; width: 100%; justify-content: space-between; }
  .hero-stats .container { grid-template-columns: 1fr; }
}

/* ── 12. ANIMATIONS ─────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeInUp .6s ease both;
}
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .4s; }