/* HÁBITAT OASIS – styles.css */

:root {
  --verde-oscuro:  #2E6B38;
  --verde-vivo:    #3A7D44;
  --verde-cesped:  #6BBF59;
  --verde-claro:   #f5f9f5;
  --celeste:       #4AADCC;
  --celeste-claro: #D0EEF5;
  --tierra:        #8B5E3C;
  --blanco:        #FFFFFF;
  --gris-texto:    #2C2C2C;
  --ff-display:    'Playfair Display', Georgia, serif;
  --ff-body:       'Inter', system-ui, sans-serif;
  --radius:        12px;
  --radius-lg:     20px;
  --shadow:        0 4px 20px rgba(0,0,0,0.10);
  --shadow-md:     0 8px 32px rgba(0,0,0,0.16);
  --transition:    0.28s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--ff-body); color: var(--gris-texto); background: var(--blanco); line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* TIPOGRAFÍA COMPARTIDA */
.eyebrow { text-align: center; text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.75rem; font-weight: 600; color: var(--verde-vivo); margin-bottom: 8px; }
.titulo { font-family: var(--ff-display); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; text-align: center; margin-bottom: 48px; }
.titulo.dark { color: var(--verde-oscuro); }
.titulo.light { color: var(--verde-oscuro); }

/* NAVBAR */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: var(--verde-oscuro); box-shadow: 0 2px 16px rgba(0,0,0,0.2); }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-logo { width: 36px; height: 36px; object-fit: contain; border-radius: 50%; }
.nav-title { font-family: var(--ff-display); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.06em; color: var(--verde-cesped); }
.nav-hamburger { display: none; background: none; border: none; color: var(--blanco); font-size: 1.5rem; cursor: pointer; padding: 4px 8px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: rgba(255,255,255,0.8); font-size: 0.88rem; font-weight: 500; transition: color var(--transition); position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px; background: var(--verde-cesped); transform: scaleX(0); transition: transform var(--transition); transform-origin: left; }
.nav-links a:hover { color: var(--verde-cesped); }
.nav-links a:hover::after { transform: scaleX(1); }

/* HERO */
.hero { position: relative; background: linear-gradient(160deg, #1a4d22 0%, var(--verde-oscuro) 40%, #2a5a35 70%, #1E4D26 100%); padding: 130px 24px 110px; min-height: 95vh; display: flex; align-items: center; overflow: hidden; }
.hero-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse at 20% 50%, rgba(107,191,89,0.15) 0%, transparent 60%), radial-gradient(ellipse at 80% 20%, rgba(74,173,204,0.10) 0%, transparent 50%), radial-gradient(ellipse at 50% 100%, rgba(0,0,0,0.2) 0%, transparent 60%); pointer-events: none; }
.hero-content { position: relative; max-width: 700px; margin: 0 auto; text-align: center; color: var(--blanco); }
.hero-logo-img { width: 130px; height: 130px; object-fit: contain; border-radius: 50%; margin: 0 auto 24px; border: 3px solid rgba(107,191,89,0.5); box-shadow: 0 0 40px rgba(0,0,0,0.3); }
.hero-eyebrow { font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--verde-cesped); font-weight: 600; margin-bottom: 12px; }
.hero-tagline { font-family: var(--ff-display); font-size: clamp(2.4rem, 6vw, 3.8rem); font-weight: 900; line-height: 1.15; margin-bottom: 20px; }
.hero-desc { font-size: 1rem; line-height: 1.8; color: rgba(255,255,255,0.82); max-width: 580px; margin: 0 auto 40px; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; font-weight: 700; font-size: 0.92rem; padding: 14px 32px; border-radius: 40px; transition: all var(--transition); }
.btn-primary { background: var(--verde-cesped); color: var(--verde-oscuro); box-shadow: 0 4px 16px rgba(107,191,89,0.4); }
.btn-primary:hover { background: #82d46d; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(107,191,89,0.5); }
.btn-outline { background: transparent; color: var(--blanco); border: 2px solid rgba(255,255,255,0.5); }
.btn-outline:hover { border-color: var(--verde-cesped); color: var(--verde-cesped); transform: translateY(-2px); }
.hero-wave { position: absolute; bottom: -1px; left: 0; right: 0; line-height: 0; }
.hero-wave svg { width: 100%; height: 80px; }

/* SERVICIOS */
.servicios-section { background: var(--verde-claro); padding: 88px 0 80px; }
.servicios-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 24px; }
.servicio-card { background: var(--blanco); border-radius: var(--radius-lg); padding: 36px 24px 28px; box-shadow: var(--shadow); border-top: 4px solid var(--verde-cesped); transition: transform var(--transition), box-shadow var(--transition); text-align: center; }
.servicio-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.servicio-icon-wrap { font-size: 2.6rem; margin-bottom: 18px; }
.servicio-card h3 { font-family: var(--ff-display); font-size: 1.1rem; font-weight: 700; color: var(--verde-oscuro); margin-bottom: 10px; }
.servicio-card p { font-size: 0.91rem; color: #555; line-height: 1.65; }

/* ACCORDION */
.accordion-section { background: var(--blanco); padding: 72px 0; }
.accordion-section .titulo { margin-bottom: 32px; }
.accordion-item { border-radius: var(--radius-lg); margin-bottom: 14px; box-shadow: var(--shadow); overflow: hidden; border: 1px solid rgba(58,125,68,0.12); transition: box-shadow var(--transition); }
.accordion-item:hover { box-shadow: var(--shadow-md); }
.accordion-btn { width: 100%; background: none; border: none; cursor: pointer; padding: 18px 24px; display: flex; align-items: center; gap: 12px; font-family: var(--ff-display); font-size: 1.1rem; font-weight: 700; color: var(--verde-vivo); text-align: left; transition: background var(--transition), color var(--transition); }
.accordion-btn:hover { background: var(--verde-claro); }
.accordion-btn.open { background: var(--verde-vivo); color: var(--blanco); }
.acc-icon { font-size: 1.3rem; }
.acc-arrow { margin-left: auto; font-size: 0.8rem; transition: transform var(--transition); }
.accordion-btn.open .acc-arrow { transform: rotate(180deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.38s cubic-bezier(0.4,0,0.2,1), padding 0.28s ease; padding: 0 24px; }
.accordion-body.open { max-height: 400px; padding: 18px 24px 24px; }
.acc-list { list-style: none; display: grid; gap: 12px; }
.acc-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.97rem; color: var(--gris-texto); line-height: 1.5; }
.acc-dot { flex-shrink: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--celeste); margin-top: 5px; box-shadow: 0 0 0 3px rgba(74,173,204,0.18); }

/* POR QUÉ ELEGIRNOS */
.elegirnos-section { position: relative; background: var(--celeste-claro); padding: 88px 0; overflow: hidden; }
.elegirnos-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse at 80% 50%, rgba(107,191,89,0.12) 0%, transparent 60%); pointer-events: none; }
.razones-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 28px; }
.razon { background: rgba(255,255,255,0.07); border: 1px solid rgba(74,173,204,0.25); border-radius: var(--radius-lg); padding: 32px 20px; text-align: center; transition: background var(--transition), transform var(--transition); }
.razon:hover { background: rgba(255,255,255,0.10); transform: translateY(-4px); }
.razon-icon-wrap { width: 100%; height: 160px; margin-bottom: 16px; border-radius: 10px; overflow: hidden; }
.razon-icon-wrap img { width: 100%; height: 100%; object-fit: cover; }
.razon h3 { font-family: var(--ff-display); font-size: 1.05rem; font-weight: 700; color: var(--verde-oscuro); margin-bottom: 10px; }
.razon p { font-size: 0.88rem; color: #555(255,255,255,0.75); line-height: 1.65; }

/* GALERÍA MOSAICO */
.galeria-section { background: var(--verde-claro); padding: 88px 0; }
.mosaico-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 10px; }
.mosaico-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.mosaico-item:nth-child(5) { grid-column: span 2; }
.mosaico-item:nth-child(9) { grid-column: span 2; }
.mosaico-item { position: relative; overflow: hidden; border-radius: var(--radius); cursor: pointer; }
.mosaico-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; display: block; }
.mosaico-item:hover img { transform: scale(1.06); }
.mosaico-overlay { position: absolute; inset: 0; background: rgba(46,107,56,0.5); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity var(--transition); }
.mosaico-item:hover .mosaico-overlay { opacity: 1; }
.mosaico-overlay span { font-size: 2rem; }

/* LIGHTBOX */
.lightbox { display: none; position: fixed; inset: 0; z-index: 500; background: rgba(0,0,0,0.92); align-items: center; justify-content: center; }
.lightbox.activo { display: flex; }
.lightbox img { max-width: 88vw; max-height: 85vh; object-fit: contain; border-radius: var(--radius); box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.lightbox-cerrar { position: absolute; top: 20px; right: 28px; background: none; border: none; color: var(--blanco); font-size: 2rem; cursor: pointer; opacity: 0.7; transition: opacity var(--transition); }
.lightbox-cerrar:hover { opacity: 1; }
.lightbox-prev, .lightbox-next { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.1); border: none; color: var(--blanco); font-size: 3rem; cursor: pointer; padding: 8px 18px; border-radius: 8px; transition: background var(--transition); }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
.lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.22); }

/* WAVE */
.wave-divider { line-height: 0; background: var(--verde-claro); }
.wave-divider svg { width: 100%; height: 60px; display: block; }

/* CONTACTO */
.contacto-section { background: var(--celeste-claro); padding: 88px 24px; text-align: center; }
.contacto-inner { display: flex; flex-direction: column; align-items: center; }
.contacto-sub { color: var(--verde-oscuro); font-size: 1rem; margin-bottom: 32px; max-width: 480px; }
.contacto-wa-btn { display: inline-flex; align-items: center; gap: 12px; background: #25D366; color: var(--blanco); font-weight: 700; font-size: 1rem; padding: 16px 44px; border-radius: 40px; box-shadow: 0 6px 20px rgba(37,211,102,0.35); transition: transform var(--transition), box-shadow var(--transition); }
.contacto-wa-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(37,211,102,0.5); }
.wa-icon { width: 26px; height: 26px; }

/* FOOTER */
.footer { background: var(--verde-oscuro); padding: 28px 24px; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-logo { width: 36px; height: 36px; object-fit: contain; border-radius: 50%; opacity: 0.85; }
.footer-brand span { font-family: var(--ff-display); font-weight: 700; color: var(--verde-cesped); font-size: 0.95rem; letter-spacing: 0.06em; }
.footer-copy { color: rgba(255,255,255,0.5); font-size: 0.82rem; }

/* WHATSAPP FLOTANTE */
.wa-float { position: fixed; bottom: 28px; right: 28px; z-index: 200; width: 60px; height: 60px; background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(37,211,102,0.45); transition: transform var(--transition); }
.wa-float img { width: 34px; height: 34px; }
.wa-float:hover { transform: scale(1.1) translateY(-3px); }
.wa-tooltip { position: absolute; right: 70px; background: var(--verde-oscuro); color: var(--blanco); font-size: 0.82rem; font-weight: 600; padding: 6px 14px; border-radius: 20px; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity var(--transition); }
.wa-float:hover .wa-tooltip { opacity: 1; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .mosaico-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .mosaico-item:nth-child(1) { grid-column: span 2; grid-row: span 1; }
  .mosaico-item:nth-child(5) { grid-column: span 1; }
  .mosaico-item:nth-child(9) { grid-column: span 1; }
  .razones-grid { grid-template-columns: 1fr 1fr; }
  .servicios-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-hamburger { display: block; }
  .nav-links { display: none; flex-direction: column; background: var(--verde-oscuro); position: absolute; top: 64px; left: 0; right: 0; padding: 8px 0 16px; box-shadow: 0 8px 20px rgba(0,0,0,0.2); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 24px; font-size: 1rem; }
  .nav-links a::after { display: none; }
  .hero { padding: 100px 20px 90px; min-height: auto; }
  .hero-tagline { font-size: 2.2rem; }
  .servicios-grid { grid-template-columns: 1fr; }
  .razones-grid { grid-template-columns: 1fr; }
  .mosaico-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 130px; }
  .wa-float { bottom: 18px; right: 18px; width: 52px; height: 52px; }
  .wa-float img { width: 28px; height: 28px; }
  .lightbox-prev { left: 6px; }
  .lightbox-next { right: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}