/* ============================================================
   PERROS DEL ALMA — styles.css
   Paleta: Rojo (#D62828) sobre Blanco (#FAFAFA), Negro (#111) para estructura
   Tipografía: Bebas Neue (display) + Lora (body)
   ============================================================ */

/* ---- CSS VARIABLES ---- */
:root {
  --red:        #D62828;
  --red-dark:   #A01F1F;
  --red-light:  #F45C5C;
  --black:      #111111;
  --dark:       #1E1E1E;
  --gray:       #444444;
  --mid:        #888888;
  --light:      #F4F4F4;
  --white:      #FAFAFA;

  --font-display: 'Bebas Neue', Impact, sans-serif;
  --font-body:    'Lora', Georgia, serif;

  --radius:     4px;
  --transition: 0.25s ease;

  --max-w: 1140px;
  --section-py: 96px;
  --nav-h: 68px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* ---- UTILITIES ---- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding-block: var(--section-py);
}

.section-eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin-bottom: 32px;
  color: var(--black);
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition),
              transform var(--transition), box-shadow var(--transition);
  text-align: center;
  line-height: 1;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(214,40,40,0.3);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(214,40,40,0.4);
}

.btn-outline {
  border: 2px solid var(--black);
  color: var(--black);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--black);
  color: var(--white);
}

.btn-outline--dark {
  border: 2px solid var(--black);
  color: var(--black);
  padding: 12px 28px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  display: inline-block;
  line-height: 1;
}
.btn-outline--dark:hover { background: var(--black); color: var(--white); }

.btn-text {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.btn-text:hover { border-color: var(--red); }

/* ---- FOCUS VISIBLE ---- */
:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 3px;
}

/* ========================================================
   HEADER / NAV
   ======================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 3px solid var(--red);
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--black);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark {
  font-size: 1.8rem;
  color: var(--red);
  line-height: 1;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.15;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--black);
}
.logo-text em {
  font-style: normal;
  color: var(--red);
}

/* Nav links */
.main-nav ul {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  position: relative;
  padding-block: 4px;
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--red);
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--red); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--black);
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========================================================
   HERO
   ======================================================== */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  background: var(--white);
  overflow: hidden;
  padding-block: 80px 60px;
  border-bottom: 1px solid var(--light);
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.hero-stripe {
  position: absolute;
  right: 0; top: 0;
  width: 42%;
  height: 100%;
  background: var(--red);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.05;
}

/* Bold vertical red accent bar */
.hero-bar {
  position: absolute;
  left: 0; top: 0;
  width: 6px;
  height: 100%;
  background: var(--red);
}

.hero-paw {
  position: absolute;
  right: 5%;
  bottom: 8%;
  font-size: 14rem;
  opacity: 0.04;
  user-select: none;
  pointer-events: none;
  transform: rotate(-20deg);
  color: var(--red);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 7rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--black);
  margin-bottom: 24px;
}
.hero-title .accent {
  color: var(--red);
  display: block;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--gray);
  max-width: 520px;
  margin-bottom: 36px;
  font-style: italic;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--light);
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--red);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
}

/* ========================================================
   REFUGIO
   ======================================================== */
.refugio { background: var(--light); }
.refugio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.refugio-text p { margin-bottom: 16px; color: var(--gray); }
.refugio-text .btn { margin-top: 8px; }

.refugio-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.refugio-card {
  background: var(--white);
  color: var(--black);
  border: 1px solid #e8e8e8;
  border-top: 4px solid var(--red);
  border-radius: var(--radius);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.refugio-card:hover { background: var(--red); color: var(--white); transform: translateY(-4px); }
.refugio-card--2, .refugio-card--4 { margin-top: 28px; }
.card-icon { font-size: 2rem; }

/* ========================================================
   CÓMO AYUDAR
   ======================================================== */
.ayudar { background: var(--white); }
.help-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.help-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid #e8e8e8;
  border-top: 4px solid var(--red);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.help-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.09);
  transform: translateY(-4px);
}
.help-icon { font-size: 2.2rem; }
.help-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.help-card p { color: var(--gray); font-size: 0.95rem; flex-grow: 1; }

/* ========================================================
   DONACIONES
   ======================================================== */
.donaciones {
  background: var(--black);
  color: var(--white);
}
.donaciones .section-eyebrow { color: var(--red-light); }
.donaciones .section-title { color: var(--white); }

.don-intro {
  color: #aaa;
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 48px;
  font-style: italic;
}

/* 2-column grid for 2 cards */
.don-grid--2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 0;
}

/* 3-column grid for 3 cards */
.don-grid--3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .don-grid--3 { grid-template-columns: 1fr; }
}

.don-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color var(--transition);
}
.don-card:hover { border-color: var(--red); }
.don-card-icon { font-size: 2.2rem; }
.don-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.don-card p { color: #aaa; font-size: 0.95rem; }
.don-detail {
  background: rgba(214,40,40,0.1);
  border-left: 3px solid var(--red);
  padding: 16px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  flex-grow: 1;
}
.don-detail ul { color: #ccc; }
.don-detail li { margin-bottom: 8px; font-size: 0.92rem; }
.don-detail li strong { color: var(--white); }
.don-card .btn-outline--dark {
  border-color: rgba(255,255,255,0.4);
  color: var(--white);
}
.don-card .btn-outline--dark:hover { background: var(--white); color: var(--black); }

/* ========================================================
   INSTAGRAM — Grid + Ver más
   ======================================================== */
.instagram-section { background: var(--light); text-align: center; }

.ig-handle {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  margin-bottom: 40px;
}
.ig-handle a { color: var(--red); }
.ig-handle a:hover { text-decoration: underline; }

/* Grid */
.ig-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 36px;
  text-align: left;
}

.ig-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 1 / 1;
  background: #e0e0e0;
  display: block;
  /* Animación de entrada */
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.ig-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.ig-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.ig-item:hover img { transform: scale(1.06); }

.ig-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(214, 40, 40, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  opacity: 0;
  transition: opacity var(--transition);
  padding: 16px;
}
.ig-item:hover .ig-item-overlay,
.ig-item:focus-visible .ig-item-overlay { opacity: 1; }

.ig-item-overlay svg {
  width: 32px; height: 32px;
  fill: white;
  flex-shrink: 0;
}
.ig-item-date {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
}

/* Loading */
.ig-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--mid);
  font-style: italic;
  padding: 60px 0;
}
.ig-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--light);
  border-top-color: var(--red);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Acciones */
.ig-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-outline-dark-sq {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 2px solid var(--black);
  color: var(--black);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  line-height: 1;
}
.btn-outline-dark-sq:hover { background: var(--black); color: var(--white); }

.ig-follow-btn {
  color: var(--black);
  border: 2px solid var(--black);
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  line-height: 1;
}
.ig-follow-btn:hover { background: var(--black); color: var(--white); }

.ig-fallback { text-align: center; padding: 40px; color: var(--gray); }

/* Responsive grid */
@media (max-width: 900px) {
  .ig-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
}
@media (max-width: 540px) {
  .ig-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
}

/* ========================================================
   CONTACTO
   ======================================================== */
.contacto { background: var(--white); }
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.contacto-text p { color: var(--gray); margin-bottom: 24px; }
.contacto-list {
  display: flex; flex-direction: column;
  gap: 14px; margin-bottom: 32px;
}
.contacto-list li { display: flex; align-items: center; gap: 12px; font-size: 0.95rem; }
.contacto-icon { font-size: 1.2rem; flex-shrink: 0; }
.contacto-list a { color: var(--red); }
.contacto-list a:hover { text-decoration: underline; }

.contacto-visual { display: flex; align-items: center; justify-content: center; }
.contacto-quote {
  background: var(--black);
  color: var(--white);
  border-radius: var(--radius);
  padding: 48px 40px;
  border-left: 6px solid var(--red);
}
.contacto-quote blockquote {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.6;
}
.contacto-quote blockquote strong {
  font-style: normal;
  color: var(--red-light);
  display: block;
  margin-top: 8px;
}

/* ========================================================
   FOOTER
   ======================================================== */
.site-footer {
  background: var(--black);
  color: #999;
  padding-block: 40px;
  border-top: 3px solid var(--red);
}
.footer-inner {
  display: flex; flex-direction: column;
  align-items: center; gap: 16px; text-align: center;
}
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--white); }
.footer-name {
  font-family: var(--font-display);
  font-size: 1.2rem; letter-spacing: 0.08em; text-transform: uppercase;
}
.footer-mission {
  font-family: var(--font-display);
  font-size: 0.95rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--mid);
}
.footer-social { display: flex; gap: 24px; }
.footer-social a {
  font-family: var(--font-display);
  font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: #777; transition: color var(--transition);
}
.footer-social a:hover { color: var(--red); }
.footer-copy { font-size: 0.78rem; }

/* ========================================================
   RESPONSIVE
   ======================================================== */
@media (max-width: 900px) {
  :root { --section-py: 64px; }
  .refugio-grid, .contacto-grid { grid-template-columns: 1fr; gap: 40px; }
  .refugio-visual { order: -1; }
  .refugio-card--2, .refugio-card--4 { margin-top: 0; }
  .help-grid { grid-template-columns: repeat(2, 1fr); }
  .don-grid--2 { grid-template-columns: 1fr; }
  .ig-slide { min-width: 50%; }
}

@media (max-width: 640px) {
  :root { --section-py: 48px; }

  .hamburger { display: flex; }
  .main-nav {
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: var(--white);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    z-index: 999;
    display: flex;
    align-items: flex-start;
    padding-top: 32px;
    border-top: 1px solid var(--light);
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 0; width: 100%; padding-inline: 24px; }
  .main-nav li { border-bottom: 1px solid var(--light); }
  .nav-link { display: block; padding: 16px 0; font-size: 1.4rem; }

  .hero-title { font-size: clamp(3rem, 14vw, 5rem); }
  .hero-stats { gap: 24px; }
  .help-grid { grid-template-columns: 1fr; }
  .refugio-visual { grid-template-columns: 1fr 1fr; }
  .ig-slide { min-width: 80%; }
  .carousel-btn { display: none; }
  .contacto-quote { padding: 32px 24px; }
  .contacto-quote blockquote { font-size: 1.05rem; }
}

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


/* Legal note en sección refugio */
.refugio-legal {
  font-size: 0.82rem;
  color: var(--mid);
  border-top: 1px solid #e0e0e0;
  padding-top: 14px;
  margin-top: 4px;
  line-height: 1.5;
}
.refugio-legal strong { color: var(--gray); }