/* =========================================================
   CONSTRUCCIONES CARRILLO — HOJA DE ESTILOS BASE
   PALETA CORPORATIVA OFICIAL (del manual de marca del cliente):
     Azul corporativo  #0D1B2A -> --color-dark
     Rojo acento       #E30613 -> --color-primary
     Gris neutro       #6B7280 -> --color-gray
   El resto de tonos (bordes, fondos claros, texto) se han derivado
   de estos tres colores para mantener una identidad visual coherente.
   ========================================================= */

:root{
  /* --- PALETA CORPORATIVA --- */
  --color-primary:       #E30613; /* rojo acento */
  --color-primary-dark:  #A3040E;
  --color-primary-light: #F28F95;
  --color-secondary:     #4A5462; /* gris azulado (marino + gris), para texto */
  --color-dark:          #0D1B2A; /* azul corporativo */
  --color-dark-2:        #1B2E42; /* marino algo más claro, para degradados y detalles */
  --color-accent:        #E8333D; /* rojo aclarado, para uso sobre fondo marino */
  --color-light:         #F7F7F8; /* fondo claro neutro */
  --color-white:         #FFFFFF;
  --color-gray:          #6B7280; /* gris neutro corporativo */
  --color-gray-light:    #EAEBED;
  --color-border:        #E1E3E6;
  --color-success:       #2F855A;

  /* --- TIPOGRAFÍA --- */
  --font-heading: 'Poppins', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;

  /* --- OTROS --- */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(26,32,44,0.08);
  --shadow-md: 0 8px 24px rgba(26,32,44,0.12);
  --shadow-lg: 0 16px 40px rgba(26,32,44,0.18);
  --container-width: 1180px;
  --transition: all 0.25s ease;
}

/* ---------- RESET ---------- */
*, *::before, *::after{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family: var(--font-body);
  color: var(--color-dark);
  background: var(--color-white);
  line-height:1.6;
  font-size:16px;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
h1,h2,h3,h4{ font-family:var(--font-heading); font-weight:700; line-height:1.25; color:var(--color-dark); }
h1{ font-size:clamp(2.1rem, 4vw, 3.2rem); }
h2{ font-size:clamp(1.7rem, 3vw, 2.4rem); }
h3{ font-size:1.35rem; }
p{ color:var(--color-secondary); }
.container{ max-width:var(--container-width); margin:0 auto; padding:0 24px; }
section{ padding:80px 0; }
.section-alt{ background:var(--color-light); }

/* ---------- UTILIDADES ---------- */
.eyebrow{
  display:inline-block; text-transform:uppercase; letter-spacing:1.5px;
  font-size:0.8rem; font-weight:700; color:var(--color-primary); margin-bottom:12px;
}
.section-head{ max-width:720px; margin-bottom:48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.text-center{ text-align:center; }
.small-print{ font-size:0.78rem; color:var(--color-gray); }
.mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-32{margin-top:32px;} .mt-48{margin-top:48px;}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:15px 32px; border-radius: var(--radius-sm);
  font-weight:600; font-size:0.98rem; transition:var(--transition);
  white-space:nowrap;
}
.btn-primary{ background:var(--color-primary); color:var(--color-white); }
.btn-primary:hover{ background:var(--color-primary-dark); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-secondary{ background:transparent; color:var(--color-white); border:2px solid var(--color-white); }
.btn-secondary:hover{ background:var(--color-white); color:var(--color-dark); }
.btn-outline{ background:transparent; color:var(--color-primary); border:2px solid var(--color-primary); }
.btn-outline:hover{ background:var(--color-primary); color:var(--color-white); }
.btn-block{ width:100%; }
.btn-lg{ padding:18px 40px; font-size:1.05rem; }

/* ---------- HEADER ---------- */
.site-header{
  position:sticky; top:0; z-index:1000;
  background:var(--color-white);
  border-bottom:1px solid var(--color-border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 24px; max-width:var(--container-width); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:14px; }
.brand img{ height:56px; width:auto; }
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text .brand-name{ font-family:var(--font-heading); font-weight:700; font-size:1.25rem; color:var(--color-dark); }
.brand-text .brand-loc{ font-size:0.72rem; letter-spacing:0.5px; text-transform:uppercase; color:var(--color-primary); font-weight:600; margin-top:2px; }

.header-actions{ display:flex; align-items:center; gap:14px; flex-shrink:0; }

.nav-menu-wrapper{ position:relative; }
.nav-toggle-btn{
  display:flex; align-items:center; gap:10px;
  padding:11px 20px; border:2px solid var(--color-dark); border-radius:var(--radius-sm);
  font-weight:600; color:var(--color-dark); transition:var(--transition);
}
.nav-toggle-btn:hover{ background:var(--color-dark); color:var(--color-white); }
.nav-toggle-btn .bars{ display:flex; flex-direction:column; gap:4px; }
.nav-toggle-btn .bars span{ width:18px; height:2px; background:currentColor; display:block; }
.nav-toggle-btn .chevron{ transition:transform 0.2s ease; font-size:0.7rem; }
.nav-menu-wrapper.open .chevron{ transform:rotate(180deg); }

.dropdown-menu{
  position:absolute; right:0; top:calc(100% + 10px);
  background:var(--color-white); border-radius:var(--radius-md); box-shadow:var(--shadow-lg);
  min-width:240px; padding:10px; opacity:0; visibility:hidden; transform:translateY(-8px);
  transition:var(--transition); border:1px solid var(--color-border);
}
.nav-menu-wrapper.open .dropdown-menu{ opacity:1; visibility:visible; transform:translateY(0); }
.dropdown-menu a{
  display:flex; align-items:center; gap:10px; padding:13px 16px; border-radius:var(--radius-sm);
  font-weight:600; color:var(--color-secondary); font-size:0.95rem;
}
.dropdown-menu a:hover{ background:var(--color-light); color:var(--color-primary); }
.dropdown-menu .divider{ height:1px; background:var(--color-border); margin:6px 8px; }

/* ---------- SELECTOR DE IDIOMA ---------- */
.lang-menu-wrapper{ position:relative; }
.lang-toggle-btn{
  display:flex; align-items:center; gap:8px;
  padding:11px 16px; border:2px solid var(--color-dark); border-radius:var(--radius-sm);
  font-weight:700; color:var(--color-dark); transition:var(--transition); font-size:0.85rem; letter-spacing:0.3px;
}
.lang-toggle-btn:hover{ background:var(--color-dark); color:var(--color-white); }
.lang-toggle-btn .globe{ font-size:1rem; }
.lang-toggle-btn .chevron{ transition:transform 0.2s ease; font-size:0.7rem; }
.lang-menu-wrapper.open .chevron{ transform:rotate(180deg); }

.lang-dropdown-menu{
  position:absolute; right:0; top:calc(100% + 10px);
  background:var(--color-white); border-radius:var(--radius-md); box-shadow:var(--shadow-lg);
  min-width:170px; padding:8px; opacity:0; visibility:hidden; transform:translateY(-8px);
  transition:var(--transition); border:1px solid var(--color-border); z-index:1001;
}
.lang-menu-wrapper.open .lang-dropdown-menu{ opacity:1; visibility:visible; transform:translateY(0); }
.lang-dropdown-menu button{
  display:flex; align-items:center; justify-content:space-between; gap:10px; width:100%;
  padding:11px 14px; border-radius:var(--radius-sm); font-weight:600; color:var(--color-secondary); font-size:0.92rem;
}
.lang-dropdown-menu button:hover{ background:var(--color-light); color:var(--color-primary); }
.lang-dropdown-menu button.active{ color:var(--color-primary); background:var(--color-light); }
.lang-dropdown-menu button .check{ opacity:0; font-weight:700; }
.lang-dropdown-menu button.active .check{ opacity:1; }

@media (max-width:768px){
  .lang-toggle-btn .label-full{ display:none; }
  .lang-toggle-btn{ padding:10px 12px; }
}

/* ---------- LISTADO DE CERTIFICACIONES (formato formal, sin tarjetas) ---------- */
.credentials-list{ border-top:1px solid var(--color-border); }
.credential-item{
  display:flex; align-items:center; gap:40px;
  padding:36px 0; border-bottom:1px solid var(--color-border);
}
.credential-logo{
  flex:0 0 180px; display:flex; align-items:center; justify-content:center;
  padding:16px;
}
.credential-logo img{ max-width:100%; max-height:90px; object-fit:contain; }
.credential-text h3{ margin-bottom:8px; }
.credential-text p{ margin:0; }

@media (max-width:700px){
  .credential-item{ flex-direction:column; text-align:center; gap:20px; padding:28px 0; }
  .credential-logo{ flex:0 0 auto; padding:0; }
  .credential-logo img{ max-height:70px; }
}

/* ---------- HERO ---------- */
.hero{
  background:linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-2) 100%);
  color:var(--color-white); padding:100px 0 90px; position:relative; overflow:hidden;
}
.hero::after{
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at 80% 20%, rgba(192,86,33,0.25), transparent 55%);
  pointer-events:none;
}
.hero-inner{ position:relative; max-width:820px; }
.hero .slogan{
  font-family:var(--font-heading); font-weight:700;
  font-size:clamp(1.8rem, 3.6vw, 2.8rem); color:var(--color-white);
  margin-bottom:24px; line-height:1.3;
}
.hero .slogan em{ font-style:normal; color:var(--color-accent); }
.hero p.lead{ color:#E4E1DC; font-size:1.1rem; max-width:680px; margin-bottom:36px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

/* ---------- TARJETAS SERVICIOS ---------- */
.grid{ display:grid; gap:28px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }

.service-card{
  background:var(--color-white); border:1px solid var(--color-border); border-radius:var(--radius-md);
  padding:32px 28px; transition:var(--transition); display:flex; flex-direction:column; height:100%;
}
.service-card:hover{ box-shadow:var(--shadow-md); transform:translateY(-4px); border-color:var(--color-primary); }
.service-card .icon{
  width:56px; height:56px; border-radius:var(--radius-sm); background:var(--color-light);
  display:flex; align-items:center; justify-content:center; font-size:1.6rem; margin-bottom:20px; color:var(--color-primary);
}
.service-card h3{ margin-bottom:12px; }
.service-card p{ flex:1; margin-bottom:20px; font-size:0.95rem; }
.service-card .card-link{ font-weight:700; color:var(--color-primary); font-size:0.92rem; }

/* ---------- PROCESO ---------- */
.process-step{ display:flex; gap:24px; margin-bottom:44px; }
.process-step:last-child{ margin-bottom:0; }
.process-num{
  flex-shrink:0; width:56px; height:56px; border-radius:50%; background:var(--color-primary); color:var(--color-white);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-heading); font-weight:700; font-size:1.3rem;
}
.process-content h3{ margin-bottom:8px; }

/* ---------- PORTFOLIO ---------- */
.project-card{
  border-radius:var(--radius-md); overflow:hidden; background:var(--color-white); border:1px solid var(--color-border);
  transition:var(--transition); height:100%; display:flex; flex-direction:column;
}
.project-card:hover{ box-shadow:var(--shadow-md); transform:translateY(-4px); }
.project-card .thumb{ aspect-ratio:4/3; overflow:hidden; background:var(--color-gray-light); }
.project-card .thumb img{ width:100%; height:100%; object-fit:cover; transition:transform 0.4s ease; }
.project-card:hover .thumb img{ transform:scale(1.06); }
.project-card .body{ padding:22px; flex:1; display:flex; flex-direction:column; }
.project-card .tag{ font-size:0.75rem; font-weight:700; color:var(--color-primary); text-transform:uppercase; letter-spacing:0.5px; margin-bottom:8px; }
.project-card p{ font-size:0.92rem; margin-bottom:16px; }
.project-card .card-link{ margin-top:auto; font-weight:700; color:var(--color-dark); font-size:0.9rem; }

/* ---------- CARRUSEL ---------- */
.carousel{ position:relative; border-radius:var(--radius-lg); overflow:hidden; background:var(--color-dark); box-shadow:var(--shadow-md); }
.carousel-track{ display:flex; transition:transform 0.4s ease; }
.carousel-slide{ min-width:100%; aspect-ratio:16/10; }
.carousel-slide img{ width:100%; height:100%; object-fit:cover; cursor:zoom-in; }
.carousel-nav{
  position:absolute; top:50%; transform:translateY(-50%); width:44px; height:44px; border-radius:50%;
  background:rgba(255,255,255,0.9); display:flex; align-items:center; justify-content:center; font-size:1.1rem;
  color:var(--color-dark); transition:var(--transition);
}
.carousel-nav:hover{ background:var(--color-white); }
.carousel-nav.prev{ left:16px; } .carousel-nav.next{ right:16px; }
.carousel-dots{ display:flex; gap:8px; justify-content:center; margin-top:16px; }
.carousel-dots button{ width:9px; height:9px; border-radius:50%; background:var(--color-gray-light); }
.carousel-dots button.active{ background:var(--color-primary); width:22px; border-radius:5px; }

/* ---------- LIGHTBOX (visor de fotos a tamaño real) ---------- */
.lightbox{
  position:fixed; inset:0; z-index:2000; background:rgba(10,14,20,0.94);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition:opacity 0.25s ease;
  touch-action:none;
}
.lightbox.open{ opacity:1; visibility:visible; }
.lightbox-stage{
  position:relative; width:100%; height:100%; display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.lightbox-img{
  max-width:92vw; max-height:86vh; object-fit:contain; border-radius:6px;
  box-shadow:0 12px 40px rgba(0,0,0,0.5);
  user-select:none; -webkit-user-drag:none;
  transition:opacity 0.15s ease;
}
.lightbox-close{
  position:absolute; top:18px; right:18px; width:46px; height:46px; border-radius:50%;
  background:rgba(255,255,255,0.12); color:var(--color-white); font-size:1.6rem; line-height:1;
  display:flex; align-items:center; justify-content:center; transition:var(--transition); z-index:2;
}
.lightbox-close:hover{ background:rgba(255,255,255,0.22); }
.lightbox-nav{
  position:absolute; top:50%; transform:translateY(-50%); width:52px; height:52px; border-radius:50%;
  background:rgba(255,255,255,0.12); color:var(--color-white); display:flex; align-items:center; justify-content:center;
  font-size:1.4rem; transition:var(--transition); z-index:2;
}
.lightbox-nav:hover{ background:rgba(255,255,255,0.22); }
.lightbox-nav.prev{ left:18px; } .lightbox-nav.next{ right:18px; }
.lightbox-counter{
  position:absolute; bottom:18px; left:50%; transform:translateX(-50%);
  color:rgba(255,255,255,0.85); font-size:0.85rem; font-weight:600; letter-spacing:0.4px;
  background:rgba(255,255,255,0.12); padding:6px 14px; border-radius:20px;
}
@media (max-width:640px){
  .lightbox-close{ width:40px; height:40px; top:10px; right:10px; font-size:1.3rem; }
  .lightbox-nav{ width:44px; height:44px; }
  .lightbox-nav.prev{ left:8px; } .lightbox-nav.next{ right:8px; }
  .lightbox-img{ max-width:96vw; max-height:80vh; }
}

/* ---------- PROJECT DETAIL INFO ---------- */
.project-meta{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; margin:32px 0; }
.project-meta .item{ padding:20px; background:var(--color-light); border-radius:var(--radius-md); }
.project-meta .item .label{ font-size:0.78rem; text-transform:uppercase; letter-spacing:0.5px; color:var(--color-gray); font-weight:700; margin-bottom:6px; }
.project-meta .item .value{ font-weight:700; color:var(--color-dark); }
.work-list{ display:flex; flex-wrap:wrap; gap:10px; margin:20px 0 32px; }
.work-list li{ background:var(--color-light); border:1px solid var(--color-border); padding:9px 16px; border-radius:30px; font-size:0.88rem; font-weight:600; color:var(--color-secondary); }

/* ---------- POR QUÉ ELEGIRNOS ---------- */
.why-list{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.why-item{ display:flex; gap:16px; align-items:flex-start; padding:18px; }
.why-item .check{
  flex-shrink:0; width:36px; height:36px; border-radius:50%; background:var(--color-primary); color:var(--color-white);
  display:flex; align-items:center; justify-content:center; font-weight:700;
}
.why-item p{ font-weight:600; color:var(--color-dark); }

/* ---------- OPINIONES ---------- */
.reviews-box{
  background:var(--color-dark); color:var(--color-white); border-radius:var(--radius-lg);
  padding:56px; text-align:center;
}
.reviews-box h2{ color:var(--color-white); }
.reviews-box p{ color:#D9D6D1; max-width:600px; margin:16px auto 32px; }
.reviews-placeholder{
  border:2px dashed rgba(255,255,255,0.25); border-radius:var(--radius-md); padding:32px; margin-top:32px; color:#B9B6B1; font-size:0.92rem;
}

/* ---------- FORMULARIOS ---------- */
.form-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.form-group{ display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.form-group.full{ grid-column:1/-1; }
label{ font-weight:600; font-size:0.9rem; color:var(--color-dark); }
label .req{ color:var(--color-primary); }
input, select, textarea{
  padding:13px 16px; border:1.5px solid var(--color-border); border-radius:var(--radius-sm);
  font-family:inherit; font-size:0.96rem; color:var(--color-dark); transition:var(--transition); background:var(--color-white);
}
input:focus, select:focus, textarea:focus{ outline:none; border-color:var(--color-primary); box-shadow:0 0 0 3px rgba(192,86,33,0.12); }
textarea{ resize:vertical; min-height:120px; }
.file-drop{
  border:2px dashed var(--color-border); border-radius:var(--radius-md); padding:28px; text-align:center; color:var(--color-gray);
  transition:var(--transition); cursor:pointer;
}
.file-drop:hover{ border-color:var(--color-primary); color:var(--color-primary); }
.file-drop input{ display:none; }
.form-card{
  background:var(--color-white); border:1px solid var(--color-border); border-radius:var(--radius-lg);
  padding:40px; box-shadow:var(--shadow-sm);
}
.form-note{ margin-top:20px; padding:16px 18px; background:var(--color-light); border-left:4px solid var(--color-primary); border-radius:var(--radius-sm); font-size:0.92rem; }
.form-status{ margin-top:18px; padding:14px 18px; border-radius:var(--radius-sm); font-weight:600; font-size:0.92rem; }
.form-status.success{ background:#E9F7EF; color:var(--color-success); border:1px solid #BEE5CC; }
.form-status.error{ background:#FDECEC; color:#C0392B; border:1px solid #F5C6C6; }

/* ---------- CONTACTO INFO ---------- */
.contact-info-list{ display:flex; flex-direction:column; gap:24px; }
.contact-info-item{ display:flex; gap:16px; }
.contact-info-item .ic{
  flex-shrink:0; width:48px; height:48px; border-radius:var(--radius-sm); background:var(--color-light);
  display:flex; align-items:center; justify-content:center; font-size:1.3rem; color:var(--color-primary);
}
.contact-info-item .label{ font-size:0.8rem; text-transform:uppercase; color:var(--color-gray); font-weight:700; letter-spacing:0.4px; margin-bottom:4px; }
.contact-info-item .value{ font-weight:600; color:var(--color-dark); }
.zona-tags{ display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }
.zona-tags span{ background:var(--color-white); border:1px solid var(--color-border); padding:8px 14px; border-radius:30px; font-size:0.85rem; font-weight:600; }

/* ---------- CTA BANDA ---------- */
.cta-band{
  background:var(--color-primary); color:var(--color-white); padding:64px 0; text-align:center;
}
.cta-band h2{ color:var(--color-white); margin-bottom:16px; }
.cta-band p{ color:rgba(255,255,255,0.9); margin-bottom:28px; }

/* ---------- FOOTER ---------- */
.site-footer{ background:var(--color-dark); color:#C9C6C1; padding:64px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:48px; }
.footer-brand .brand-name{ color:var(--color-white); font-family:var(--font-heading); font-weight:700; font-size:1.2rem; margin-bottom:12px; }
.footer-brand p{ color:#9E9B96; font-size:0.9rem; }
.site-footer h4{ color:var(--color-white); font-size:0.95rem; margin-bottom:18px; text-transform:uppercase; letter-spacing:0.5px; }
.site-footer ul li{ margin-bottom:12px; }
.site-footer a{ color:#B9B6B1; font-size:0.92rem; transition:var(--transition); }
.site-footer a:hover{ color:var(--color-accent); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1); padding:22px 0; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:0.82rem; color:#8B8883;
}
.footer-bottom a{ color:#8B8883; }
.footer-bottom a:hover{ color:var(--color-accent); }
.footer-legal-links{ display:flex; gap:20px; flex-wrap:wrap; }

/* ---------- BREADCRUMB ---------- */
.breadcrumb{ padding:20px 0; font-size:0.85rem; color:var(--color-gray); }
.breadcrumb a{ color:var(--color-primary); font-weight:600; }

/* ---------- PAGE HEADER (páginas internas) ---------- */
.page-header{ background:var(--color-light); padding:56px 0; border-bottom:1px solid var(--color-border); }
.page-header h1{ margin-bottom:12px; }
.page-header p{ max-width:640px; }

/* ---------- MOBILE MENU ---------- */
.mobile-toggle{ display:none; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px){
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .why-list{ grid-template-columns:1fr; }
  .form-grid{ grid-template-columns:1fr; }
  .project-meta{ grid-template-columns:1fr; }
}
@media (max-width: 640px){
  section{ padding:56px 0; }
  .grid-3, .grid-2{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .hero{ padding:64px 0 56px; }
  .brand-text .brand-name{ font-size:1.05rem; }
  .brand img{ height:44px; }
  .nav-toggle-btn span.label{ display:none; }
  .reviews-box{ padding:36px 22px; }
  .header-inner{ padding:12px 16px; }
  .header-actions{ gap:8px; }
  .header-actions .btn-primary,
  .header-actions .btn-outline{ display:none; }
  .nav-toggle-btn{ padding:10px 14px; }
}
@media (max-width: 400px){
  .brand-text .brand-loc{ display:none; }
  .brand{ gap:10px; }
}

/* ---------- BOTÓN FLOTANTE DE WHATSAPP ---------- */
.whatsapp-float{
  position:fixed; right:24px; bottom:24px; z-index:900;
  width:60px; height:60px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 18px rgba(18,71,52,0.35);
  transition:var(--transition);
}
.whatsapp-float:hover{ transform:scale(1.08); box-shadow:0 8px 22px rgba(18,71,52,0.45); }
.whatsapp-float svg{ width:32px; height:32px; fill:#FFFFFF; }
.whatsapp-float .wa-tooltip{
  position:absolute; right:72px; top:50%; transform:translateY(-50%);
  background:var(--color-dark); color:var(--color-white); font-size:0.85rem; font-weight:600;
  padding:8px 14px; border-radius:var(--radius-sm); white-space:nowrap;
  opacity:0; visibility:hidden; transition:var(--transition);
}
.whatsapp-float:hover .wa-tooltip{ opacity:1; visibility:visible; }
@media (max-width:640px){
  .whatsapp-float{ width:52px; height:52px; right:16px; bottom:16px; }
  .whatsapp-float svg{ width:28px; height:28px; }
  .whatsapp-float .wa-tooltip{ display:none; }
}