/* Estilos globales */
:root {
  --color-bg-dark: #1c2130;
  --color-bg-darker: #151924;
  --color-accent: #c2b280; /* dorado suave */
  --color-accent-alt: #d9c99a;
  --color-text: #2a2d33;
  --color-text-light: #ffffff;
  --color-surface: #ffffff;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.12);
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html, body { width:100%; max-width:100%; overflow-x:hidden; }
body { font-family: 'Montserrat', Arial, sans-serif; margin: 0; background: #f5f6f7; color: var(--color-text); line-height: 1.55; font-size: clamp(.92rem, .86rem + .25vw, 1rem); }
[data-fullbleed] { width:100%; position:relative; left:0; }
/* Clipping defensivo para secciones que internamente tengan un hijo sobredimensionado */
section, header, footer { overflow-x:clip; }
/* Previene scroll horizontal por transformaciones o elementos fijos expansivos */
body * { scrollbar-width:thin; }
/* Si algún elemento usa accidentalmente width:100vw (no encontrado ahora) podría causar sobreflujo. Esta regla compensa barras de scroll en algunos navegadores móviles. */
[class*="container"], section, header, footer { max-width:100%; }
small, .text-xs { font-size: clamp(.68rem, .64rem + .35vw, .78rem); line-height:1.3; }
h1,h2,h3,h4,h5,h6 { line-height:1.15; font-weight:700; }
h2 { font-size: clamp(1.65rem, 1.3rem + 1.4vw, 2.15rem); }
h3 { font-size: clamp(1.15rem, 1.02rem + .7vw, 1.5rem); }
h4 { font-size: clamp(1rem, .94rem + .4vw, 1.2rem); }
p { margin:0 0 1.05rem; }
/* Eliminado opacity inicial para evitar pantalla blanca si falla el JS de animaciones */
body.is-ready { /* Clase conservada por si se desea algún efecto futuro */ }

/* Seguridad: visibilidad por defecto de elementos animables */
[data-animate] { opacity: 1; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 clamp(.85rem, 3vw, 1.25rem); }
@media (max-width:380px){ .container { padding:0 .75rem; } }

.section-title { font-size: clamp(1.9rem, 2.1vw, 2.4rem); font-weight: 700; text-align: center; margin: 0 0 2.5rem; position: relative; }
.section-title::before { content: ''; width: 48px; height: 4px; background: var(--color-accent); position: absolute; left: 50%; transform: translateX(-50%); top: -14px; border-radius: 2px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-weight: 600; font-size: .95rem; letter-spacing: .5px; cursor: pointer; border: none; border-radius: var(--radius-sm); padding: .85rem 1.4rem; transition: background .25s, transform .2s, box-shadow .25s; }
.btn-primary { background: var(--color-accent); color: var(--color-bg-dark); }
.btn-primary:hover { background: var(--color-accent-alt); }
.btn-dark { background: var(--color-bg-dark); color: var(--color-text-light); }
.btn-dark:hover { background: #232a3c; }
.btn:active { transform: translateY(1px); }

.flex { display: flex; }
.grid { display: grid; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(21,25,36,0.92); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,0.07); }
.navbar { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { font-size: 1.45rem; font-weight: 700; color: var(--color-accent); letter-spacing: 1px; }
.brand--logo { font-size:0; display:flex; align-items:center; }
.brand--logo img { display:block; height:auto; max-height:48px; width:auto; object-fit:contain; filter:drop-shadow(0 2px 4px rgba(0,0,0,.25)); }
 .brand--logo { gap:.75rem; }
 .brand-tagline { font-size:.78rem; font-weight:600; letter-spacing:.5px; color:#e9e9ea; text-transform:uppercase; background:rgba(255,255,255,.08); padding:.45rem .7rem .4rem; border:1px solid rgba(255,255,255,.15); border-radius:6px; display:inline-flex; align-items:center; line-height:1; backdrop-filter:blur(4px); }
 @media (max-width:700px){ .brand-tagline { display:none; } }
@media (max-width:520px){ .brand--logo img { max-height:42px; } }
.nav-links { display: flex; gap: 2.2rem; }
.nav-links a { color: var(--color-text-light); font-weight: 500; font-size: .9rem; opacity: .9; position: relative; }
.nav-links a::after { content: ''; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--color-accent); transition: width .3s; }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { opacity:1; color:var(--color-accent); }
.nav-links a.active::after { width:100%; background:var(--color-accent); }
.toggle-nav { display: none; }

/* Hero */
.hero { background: linear-gradient(120deg, rgba(21,25,36,0.85), rgba(21,25,36,0.65)); color: #fff; padding: clamp(4.2rem, 10vh, 7rem) 0 3.5rem; text-align: center; }
.hero .container { display:flex; flex-direction:column; align-items:center; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.5rem); margin: 0 0 1.2rem; font-weight: 700; }
.hero p { font-size: clamp(1.05rem, 1.4vw, 1.3rem); max-width: 760px; margin: 0 auto 2.2rem; opacity: .95; }
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* About */
.about { padding: 4.5rem 0 3rem; }
.about-inner { display: grid; gap: 3rem; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); align-items: center; }
.about-card { background: var(--color-surface); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-md); position: relative; overflow: hidden; }
.about-card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 80% 10%, rgba(194,178,128,0.18), transparent 60%); pointer-events: none; }
.badge-name { position: absolute; left: 1.2rem; bottom: 1.2rem; background: var(--color-accent); color: var(--color-bg-dark); padding: .6rem .9rem; border-radius: var(--radius-sm); font-weight: 600; box-shadow: var(--shadow-sm); }
.about-text h2 { font-size: 2rem; margin: 0 0 1rem; }
.about-text p { margin: 0 0 1.1rem; }
.about-text .lead { font-size:1.02rem; font-weight:500; color:#30343a; }
.about-heading { position:relative; display:inline-block; }
.about-heading::after { content:""; position:absolute; left:2px; bottom:-6px; width:46%; height:4px; background:linear-gradient(90deg,var(--color-accent),rgba(194,178,128,0)); border-radius:2px; }
.about-highlights { list-style:none; padding:0; margin:.2rem 0 1.2rem; display:grid; gap:.45rem; }
.about-highlights li { position:relative; padding-left:1.35rem; font-size:.9rem; }
.about-highlights li::before { content:'✔'; position:absolute; left:0; top:0; font-size:.8rem; color:var(--color-accent); line-height:1.2; }
@media (max-width:620px){ .about-highlights { grid-template-columns:1fr; } }
@media (min-width:621px){ .about-highlights { grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); } }

/* Variantes de color sutil para social */
.social-colored .social-btn.wa:hover::before, .social-colored .social-btn.wa.is-filled::before { background:#128C7E; }
.social-colored .social-btn.fb:hover::before, .social-colored .social-btn.fb.is-filled::before { background:#1877F2; }
.social-colored .social-btn.ig:hover::before, .social-colored .social-btn.ig.is-filled::before { background:linear-gradient(145deg,#f58529,#dd2a7b,#8134af,#515bd4); }
.social-colored .social-btn.mail:hover::before, .social-colored .social-btn.mail.is-filled::before { background:#4a5568; }
.social-btns { display: flex; gap: .9rem; flex-wrap: wrap; }
/* Redes – estilo outline con efecto de relleno en hover y estado activo */
.social-outline { gap: .65rem; }
.social-outline .social-btn { --social-border:rgba(0,0,0,.65); position:relative; isolation:isolate; display:inline-flex; align-items:center; gap:.55rem; padding:.62rem 1rem .62rem .85rem; border:1px solid var(--social-border); background:#fff; color:#12151c; border-radius:6px; font-weight:600; font-size:.82rem; line-height:1; letter-spacing:.25px; transition: color .4s; overflow:hidden; }
.social-outline .social-btn::before { content:""; position:absolute; inset:0; background:#161c27; transform:scaleX(0); transform-origin:left; transition:transform .5s cubic-bezier(.65,.05,.36,1); z-index:-1; }
.social-outline .social-btn:hover::before { transform:scaleX(1); }
.social-outline .social-btn:hover { color:#fff; }
.social-outline .social-btn.is-filled { color:#fff; }
.social-outline .social-btn.is-filled::before { transform:scaleX(1); }
.social-outline .social-btn .s-ico { font-size:.95rem; line-height:1; display:inline-flex; align-items:center; justify-content:center; }
@media (prefers-reduced-motion:reduce){ .social-outline .social-btn::before { transition:none; } }
@media (max-width:520px){ .social-outline .social-btn { padding:.55rem .85rem .55rem .7rem; font-size:.78rem; } }

/* Services */
.services { background: #f1f2f4; padding: clamp(3.5rem, 9vh, 5rem) 0; position: relative; }
.services-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); }
.service-card { background: var(--color-surface); border-radius: var(--radius-md); padding: 1.8rem 1.4rem 2.1rem; box-shadow: var(--shadow-sm); position: relative; transition: transform .35s, box-shadow .35s; overflow: hidden; }
.service-card::before { content: ''; position: absolute; width: 120px; height: 120px; top: -50px; right: -50px; background: radial-gradient(circle at center, rgba(194,178,128,0.40), transparent 70%); opacity: .55; pointer-events: none; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.service-emoji { font-size: 2.2rem; margin-bottom: 1rem; }
.service-card h3 { margin: 0 0 .6rem; font-size: 1.15rem; color: var(--color-bg-dark); }
.service-card p { margin: 0 0 1rem; font-size: .9rem; line-height: 1.4; }
/* Ajustes de centrado y botón servicios */
.service-card { display:flex; flex-direction:column; align-items:center; text-align:center; }
.service-card h3 { font-weight:700; letter-spacing:.5px; }
.service-btn { --sb-bg:#1c2130; --sb-color:#fff; --sb-radius:6px; position:relative; display:inline-flex; align-items:center; justify-content:center; padding:.7rem 1.25rem; font-size:.8rem; font-weight:600; background:var(--sb-bg); color:var(--sb-color); border:none; border-radius:var(--sb-radius); cursor:pointer; letter-spacing:.4px; transition:background .35s, transform .35s, box-shadow .35s; box-shadow:0 3px 10px rgba(0,0,0,.22); }
.service-btn:hover { background:#232a39; box-shadow:0 5px 18px rgba(0,0,0,.28); transform:translateY(-3px); }
.service-btn:active { transform:translateY(-1px); }
.service-btn::after { content:'→'; margin-left:.55rem; font-size:.85rem; transition:transform .35s; }
.service-btn:hover::after { transform:translateX(3px); }
/* Centrado mejorado: mismas alturas y contenido vertical consistente */
.services-grid { justify-items:center; align-items:stretch; }
.service-card { min-height: 320px; width:100%; max-width:260px; }
.service-card p { flex-grow:1; }
.service-btn { margin-top:auto; }
@media (min-width:1200px){ .services-grid { grid-template-columns: repeat(4,1fr); justify-content:center; } }
@media (max-width:640px){
  .services-grid { gap:1.3rem; }
  .service-card { max-width:100%; min-height:280px; padding:1.5rem 1.1rem 1.7rem; }
  .service-card h3 { font-size:1.05rem; }
  .service-card p { font-size:.82rem; }
}

/* Contact */
.contact { background: var(--color-bg-dark); color: var(--color-text-light); padding: clamp(3.8rem, 10vh, 5rem) 0; position: relative; overflow: hidden; }
.contact::before { content: 'FLETES'; position: absolute; font-size: clamp(5rem, 22vw, 14rem); font-weight: 700; color: rgba(255,255,255,0.03); top: 50%; left: 50%; transform: translate(-50%,-50%); letter-spacing: 10px; pointer-events: none; }
.contact-wrapper { max-width: 760px; margin: 0 auto; position: relative; }
.contact-form { display: grid; gap: 1.1rem; }
.contact-form input, .contact-form textarea { width: 100%; background: var(--color-bg-darker); border: 1px solid rgba(255,255,255,0.08); color: #fff; border-radius: var(--radius-sm); padding: .95rem 1rem; font-family: inherit; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; }
.contact-form button { justify-self: start; }

/* Footer */
.site-footer { background: var(--color-bg-darker); color: rgba(255,255,255,0.82); padding: 2.2rem 0 2.6rem; font-size: clamp(.74rem, .7rem + .3vw, .85rem); }
.footer-inner { display: flex; flex-direction: column; gap: 1rem; align-items: center; text-align: center; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { opacity: .85; font-weight: 500; }
.footer-links a:hover { opacity: 1; }

/* Responsive nav */
@media (max-width: 820px) {
  .nav-links { position: fixed; inset: 0 0 0 0; background: rgba(21,25,36,0.96); flex-direction: column; padding: 6rem 2rem 2rem; align-items: flex-start; gap: 1.6rem; transform: translateX(100%); transition: transform .4s cubic-bezier(.65,.05,.36,1); backdrop-filter:blur(10px); overscroll-behavior:contain; }
  .nav-links.open { transform: translateX(0); }
  .toggle-nav { display: block; background: none; border: 1px solid rgba(255,255,255,0.3); color: #fff; padding: .55rem .8rem; border-radius: 6px; cursor: pointer; font-weight: 600; }
  body.nav-open { overflow: hidden; }
}
@media (max-width:560px){
  .nav-links { padding:5.5rem 1.6rem 2rem; }
  .nav-links a { font-size:1.05rem; }
}

@media (max-width: 520px) {
  .about-text h2 { font-size: clamp(1.4rem, 1.1rem + 2vw, 1.65rem); }
  .hero h1 { font-size: clamp(2rem, 1.7rem + 2.5vw, 2.6rem); }
  .hero p { font-size: clamp(.95rem, .85rem + .5vw, 1.05rem); }
  .hero-cta .btn { flex:1 1 auto; min-width:140px; }
}

/* ----------------------------- */
/*  Layout & Section Utilities   */
/* ----------------------------- */
/* Unificamos espaciados verticales: cada sección nueva usa variables para facilitar ajustes globales. */
:root { --space-section-top: 3.5rem; --space-section-bottom: 3rem; }
.section { padding: var(--space-section-top) 0 var(--space-section-bottom); }
/* Ajustes para secciones que ya tenían padding propio: solo aplicamos si se agrega la clase .section en el futuro. */
.section--tight { --space-section-top: 2.6rem; --space-section-bottom: 2.2rem; }
.section--loose { --space-section-top: 5rem; --space-section-bottom: 4.2rem; }

/* Separador visual sutil entre bloques claros contiguos */
section + section:not(.testimonials):not(.cta-wsp):not(.contact) { border-top: 1px solid rgba(0,0,0,.04); }

/* Ajuste de contenedor para secciones muy anchas */
.narrow { max-width: 860px; margin: 0 auto; }

/* Reutilización de sombras y fondos suaves */
.card-surface { background:#fff; border:1px solid rgba(0,0,0,.06); border-radius:14px; box-shadow:0 2px 6px rgba(0,0,0,.05); }

/* Consistencia tipográfica menor para subtítulos u overlines (potencial reutilización) */
.overline { font-size:.68rem; font-weight:600; letter-spacing:1px; text-transform:uppercase; opacity:.75; display:inline-block; margin:0 0 .6rem; }

/* Ajustes generales para componentes nuevos (si requieren afinamiento general) */
.benefit-chips, .metrics, .features, .how, .testimonials, .cta-wsp, .faq { /* marcador agrupado */ }

/* Espacios de transición al cambiar variables en responsive */
@media (max-width: 760px){ :root { --space-section-top: 3rem; --space-section-bottom: 2.6rem; } }
@media (max-width: 520px){ :root { --space-section-top: 2.55rem; --space-section-bottom: 2.15rem; } }
@media (max-width: 380px){ :root { --space-section-top: 2.35rem; --space-section-bottom: 2rem; } }

/* FAQ fine-tuning mobile */
@media (max-width:520px){
  .faq-list { gap:.75rem; }
  .faq-btn { padding:.9rem .9rem .85rem; font-size:.9rem; }
  .faq-btn__ico { width:20px; height:20px; min-width:20px; }
}
@media (max-width:380px){
  .faq-btn { padding:.8rem .75rem .75rem; }
  .faq-btn__text { font-size:.88rem; }
}

/* Animaciones scroll (nativo) */
[data-animate] { /* permanece visible si falla JS */ }
[data-animate].anim-pre { opacity: 0; }
@media (prefers-reduced-motion: reduce) {
  [data-animate], [data-animate].anim-pre { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ----------------------------- */
/*  Scroll Progress & Interacciones */
/* ----------------------------- */
#scroll-progress { position:fixed; top:0; left:0; height:4px; width:100%; background:linear-gradient(90deg,#0f141c,#18212c); z-index:120; box-shadow:0 1px 0 rgba(255,255,255,.04),0 2px 8px rgba(0,0,0,.55); overflow:hidden; }
#scroll-progress .bar { position:absolute; inset:0; width:100%; transform-origin:left; background:linear-gradient(90deg,var(--color-accent),#d4c596); transform:scaleX(0); transition:transform .08s linear; }
body.scrolled .site-header { backdrop-filter:blur(10px); }
body.scrolled .navbar { height:60px; transition:height .35s; }
body.scrolled .brand { font-size:1.25rem; transition:font-size .35s; }
/* Fallback transitions */
.navbar { transition:height .35s; }
.brand { transition:font-size .35s; }

#back-to-top { position:fixed; right:1.25rem; bottom:1.25rem; width:44px; height:44px; border:none; border-radius:50%; background:var(--color-bg-dark); color:#fff; font-size:1.1rem; display:flex; align-items:center; justify-content:center; cursor:pointer; box-shadow:0 4px 14px rgba(0,0,0,.3); opacity:0; visibility:hidden; transform:translateY(10px); transition:opacity .35s, transform .35s, visibility .35s; z-index:120; }
#back-to-top.visible { opacity:1; visibility:visible; transform:translateY(0); }
#back-to-top:focus { outline:2px solid var(--color-accent); outline-offset:2px; }
#back-to-top:hover { background:#232a3c; }
@media (max-width:520px){ #back-to-top { width:40px; height:40px; right:.9rem; bottom:.9rem; } }

/* Sticky CTA mobile */
@media (max-width: 760px){
  .mobile-cta-bar { position:fixed; left:0; right:0; bottom:0; z-index:140; background:#12161f; display:flex; gap:.65rem; padding:.6rem .75rem calc(.6rem + env(safe-area-inset-bottom)); box-shadow:0 -2px 10px rgba(0,0,0,.35); border-top:1px solid rgba(255,255,255,.08); }
  .mobile-cta-bar a { flex:1; text-align:center; font-weight:600; font-size:.9rem; letter-spacing:.3px; padding:.75rem .9rem; border-radius:8px; text-decoration:none; display:inline-flex; align-items:center; justify-content:center; gap:.45rem; }
  .mobile-cta-bar a.cta-primary { background:var(--color-accent); color:#1c2130; }
  .mobile-cta-bar a.cta-secondary { background:#1f2632; color:#fff; border:1px solid rgba(255,255,255,.15); }
  body { padding-bottom:72px; }
}