/* ============================================================
   GuardianHogar — sitio de marketing
   CSS único, mobile-first friendly. Sin frameworks.
   Paleta e identidad heredadas del diseño original.
   ============================================================ */

/* ---- Tokens ---- */
:root{
  --ink:#101820;
  --muted:#5c6974;
  --line:#dde5ea;
  --soft:#f4f8f6;
  --white:#fff;
  --green:#18b876;
  --aqua:#28bcd7;
  --blue:#1f9df0;
  --charcoal:#111719;
  --radius:8px;
  --shadow:0 24px 70px rgba(16,24,32,.16);

  /* Ritmo vertical: un solo valor para TODAS las secciones.
     --section-y va arriba y abajo, así que entre dos secciones
     la separación real es el doble. --head-gap es la distancia
     del título de sección a su contenido. */
  --section-y:76px;
  --section-x:clamp(20px,6vw,84px);
  --head-gap:44px;
}

/* ---- Base ---- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--white);overflow-x:hidden}
body.menu-open{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin-top:0}
h1{margin-bottom:14px;font-size:clamp(38px,4.2vw,58px);line-height:1;letter-spacing:0}
/* mismo tamaño que el "Alarma inteligente" del hero */
h2{margin-bottom:18px;font-size:clamp(28px,3.2vw,42px);line-height:1.08}
h3{margin-bottom:10px;font-size:22px;line-height:1.18}
.eyebrow{margin:0 0 14px;color:var(--green);font-size:16px;font-weight:800;letter-spacing:0;text-transform:uppercase}

/* ---- Barra de progreso de scroll ---- */
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:60;background:linear-gradient(90deg,var(--green),var(--aqua));transition:width .1s linear}

/* ---- Botones ---- */
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:999px;font-weight:800;transition:transform .22s,box-shadow .22s,background .22s}
.button.primary{color:var(--ink);background:var(--white)}
.button.primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.35)}
/* verde: misma identidad que el botón flotante de compra */
.button.green{color:#fff;background:var(--green)}
.button.green:hover{transform:translateY(-2px);background:#129d64;box-shadow:0 14px 34px rgba(24,184,118,.45)}
/* contorno: misma identidad que el botón flotante "?" (blanco con borde) */
.button.outline{color:var(--ink);background:#fff;border:1px solid var(--line)}
.button.outline:hover{transform:translateY(-2px);color:var(--green);border-color:var(--green);box-shadow:0 10px 26px rgba(16,24,32,.14)}

/* ============ Header ============ */
.site-header{position:fixed;z-index:20;top:0;left:0;right:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;height:78px;padding:0 34px;color:var(--white);background:transparent;transition:background .25s,color .25s,box-shadow .25s,height .25s}
.site-header.is-scrolled{color:var(--ink);background:rgba(255,255,255,.94);box-shadow:0 8px 30px rgba(16,24,32,.08);backdrop-filter:blur(16px);height:66px}
.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900}
.site-header .brand{font-weight:500}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--green),var(--aqua))}
.brand-mark svg{width:24px;height:24px;fill:none;stroke:var(--white);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.main-nav{display:flex;align-items:center;gap:28px;justify-content:center;font-size:14px;font-weight:700}
.main-nav a{position:relative;padding:4px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--green);transition:right .25s ease}
.main-nav a:hover::after,.main-nav a.is-active::after{right:0}
.header-cta{justify-self:end;display:inline-flex;align-items:center;min-height:40px;padding:0 20px;border:1.5px solid currentColor;border-radius:999px;font-size:14px;font-weight:800;transition:.25s}
.header-cta:hover{background:var(--green);border-color:var(--green);color:#fff;transform:translateY(-1px)}

/* Botón hamburguesa (animado) */
.menu-btn{display:none;justify-self:end;place-items:center;width:42px;height:42px;border:0;background:none;color:currentColor;cursor:pointer;padding:0;-webkit-tap-highlight-color:transparent}
.menu-icon{position:relative;display:block;width:20px;height:16px}
.menu-line{position:absolute;left:0;width:20px;height:2px;border-radius:2px;background:currentColor;transform-origin:center;transition:top .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1),opacity .32s ease}
.menu-line:nth-child(1){top:0}
.menu-line:nth-child(2){top:7px}
.menu-line:nth-child(3){top:14px}
.menu-btn.is-open .menu-line:nth-child(1){top:7px;transform:rotate(45deg)}
.menu-btn.is-open .menu-line:nth-child(2){opacity:0;transform:scaleX(.25)}
.menu-btn.is-open .menu-line:nth-child(3){top:7px;transform:rotate(-45deg)}

/* Menú móvil desplegable */
.mobile-nav{position:fixed;z-index:19;top:0;left:0;right:0;padding:92px 22px 22px;background:rgba(255,255,255,.98);backdrop-filter:blur(14px);box-shadow:0 20px 50px rgba(16,24,32,.14);transform:translateY(-110%);transition:transform .58s cubic-bezier(.22,1,.36,1)}
.mobile-nav.open{transform:none}
.mobile-nav a{display:block;padding:14px 6px;color:var(--ink);font-weight:800;font-size:17px;border-bottom:1px solid var(--line);opacity:0;transform:translateX(-28px);transition:opacity .3s ease,transform .42s cubic-bezier(.22,1,.36,1)}
.mobile-nav.open a{animation:menuItemIn .68s cubic-bezier(.22,1,.36,1) both;animation-delay:calc(100ms + var(--i) * 72ms)}
.mobile-nav a:last-child{border:0}
@keyframes menuItemIn{0%{opacity:0;transform:translateX(-28px)}62%{opacity:1;transform:translateX(7px)}82%{transform:translateX(-3px)}100%{opacity:1;transform:none}}

/* ============ Hero (imagen fija + tarjeta) ============ */
.hero{position:relative;min-height:100vh;max-height:980px;max-width:1680px;margin:0 auto;display:flex;align-items:flex-end;justify-content:center;overflow:hidden;padding:110px 20px 30px}
.hero-image,.hero-shade{position:absolute;inset:0;width:100%;height:100%}
.hero-image{z-index:1;object-fit:cover;object-position:center 42%}
.hero-shade{z-index:1;background:linear-gradient(180deg,rgba(3,12,10,.04) 34%,rgba(3,12,10,.5) 100%)}
.hero-content{position:relative;z-index:2;width:min(620px,100%);text-align:center}
.hero-card{color:var(--white);padding:30px 32px 32px;border-radius:20px;background:rgba(0,0,0,.62);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.14);box-shadow:0 26px 64px rgba(0,0,0,.3);opacity:0;transform:translateY(34px);animation:heroIn .9s cubic-bezier(.25,0,.2,1) .25s forwards}
@keyframes heroIn{to{opacity:1;transform:none}}
.hero-card h1{font-size:clamp(30px,3.2vw,42px);margin-bottom:10px}
.hero-copy{max-width:400px;margin:0 auto;color:rgba(255,255,255,.92);font-size:16px;line-height:1.5}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:26px}
.hero-actions .button{gap:6px;padding:0 20px 0 15px}
.arrow-down{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

/* ============ Secciones ============ */
.section{padding:var(--section-y) var(--section-x) 0}
#guardianhogar{padding-top:calc(var(--section-y) - 30px)}
.sec-head{max-width:840px;margin:0 auto var(--head-gap);text-align:center}
.sec-head p:not(.eyebrow){max-width:660px;margin-left:auto;margin-right:auto;color:var(--muted);font-size:18px;line-height:1.6}

/* Grilla de beneficios (¿qué es GuardianHogar?): sin recuadros, divisores centrales */
.benefit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));max-width:1240px;margin:0 auto}
.benefit{padding:34px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center;-webkit-tap-highlight-color:transparent}
.benefit:nth-child(3n){border-right:0}
/* última fila (3 columnas): sin borde ni padding abajo, para que la grilla
   termine en su texto igual que el resto de las secciones */
.benefit:nth-child(n+4){border-bottom:0;padding-bottom:0}
/* Íconos de la grilla: son imágenes sueltas, sin recuadro */
.benefit-icon{display:inline-flex;align-items:center;justify-content:center;width:130px;height:130px;margin-bottom:8px}
.benefit-icon img{width:100%;height:100%;object-fit:contain}
.benefit h3{font-size:19px;margin-bottom:8px}
.benefit p{max-width:300px;margin:0 auto;color:var(--muted);font-size:15px;line-height:1.55}

/* Teléfonos / capturas */
.phone-item{text-align:center}
.device-frame{position:relative;width:min(230px,100%);aspect-ratio:591/1280;margin:0 auto;padding:8px;border-radius:28px;background:#15191c;box-shadow:0 20px 45px rgba(16,24,32,.2);transition:transform .35s cubic-bezier(.3,0,.2,1),box-shadow .35s}
.phone-item:hover .device-frame{transform:translateY(-10px) rotate(-1deg);box-shadow:0 34px 70px rgba(16,24,32,.3)}
.device-frame::before{content:"";position:absolute;z-index:2;top:12px;left:50%;width:8px;height:8px;border:1px solid rgba(255,255,255,.2);border-radius:50%;background:#050708;box-shadow:inset 0 0 0 2px #12191d,inset 0 0 0 3px #244154;transform:translateX(-50%)}
.device-frame img{width:100%;height:100%;border-radius:21px;object-fit:cover;object-position:top;background:#111719}
.phone-item h3{margin:20px 0 6px;font-size:21px}
.phone-item p{margin:0 auto;max-width:250px;color:var(--muted);font-size:15px;line-height:1.5}

/* Coverflow de capturas (Swiper): swipe directo, sin flechas ni puntos */
/* Sólo padding ARRIBA, para que no se corte la sombra del teléfono.
   Abajo va en 0: el contenido termina en su texto y toda la separación
   entre secciones la pone --section-y. Si acá hubiera padding, las
   secciones con carrusel se verían más separadas que las demás. */
.ha-coverflow{width:100%;max-width:1240px;margin:0 auto;padding:16px 0 0;overflow:hidden;cursor:grab;touch-action:pan-y}
.ha-coverflow:active{cursor:grabbing}
/* Nitidez en 3D: SIN will-change (obliga a Chrome a re-rasterizar en cada escala,
   si no la tarjeta se dibuja una sola vez y se estira => texto borroso). */
.ha-coverflow .swiper-slide{width:min(68vw,270px);height:auto;padding:10px 4px 0;opacity:.38;transition-property:transform,opacity;transition-timing-function:cubic-bezier(.22,1,.36,1);backface-visibility:hidden;-webkit-backface-visibility:hidden}
.ha-coverflow .swiper-slide-prev,.ha-coverflow .swiper-slide-next{opacity:.72}
.ha-coverflow .swiper-slide-active{opacity:1}
.ha-coverflow .device-frame{width:min(220px,100%)}
/* el hover del teléfono se desactiva dentro del carrusel: el transform
   propio pelearía con el que aplica Swiper en cada slide */
.ha-coverflow .phone-item:hover .device-frame{transform:none;box-shadow:0 20px 45px rgba(16,24,32,.2)}

/* Kit (imagen compuesta). La foto trae aire propio arriba y abajo,
   por eso el título va más pegado que el --head-gap general. */
.product-kit-section{background:#fff}
.product-kit-section .sec-head{margin-bottom:12px}
.product-kit-layout{max-width:780px;margin:0 auto}
.kit-composite{width:100%;margin:0 auto}
.kit-composite img{display:block;width:100%;height:auto;object-fit:contain;filter:brightness(1.035) contrast(1.035)}
.kit-purchase{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:0;margin-bottom:22px}
.kit-buy-button{min-width:210px}
.kit-purchase .button svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* Setup */
.setup-section{padding-bottom:var(--section-y);background:var(--soft)}

/* ============ Footer ============ */
.site-footer{padding:68px clamp(20px,6vw,84px) 26px;color:var(--white);background:#0d1315}
.footer-grid{display:grid;grid-template-columns:minmax(240px,1.1fr) minmax(300px,1fr) minmax(160px,.5fr);gap:clamp(36px,6vw,90px);max-width:1280px;margin:0 auto 54px}
/* Footer sin negritas: mismo peso liviano que el header */
.site-footer .brand{font-weight:500}
.footer-brand .brand{width:fit-content;margin-bottom:20px}
.footer-brand p{max-width:360px;margin:0;color:rgba(255,255,255,.68);line-height:1.6}
.footer-title{margin:0 0 20px;font-size:14px;font-weight:600;text-transform:uppercase}
.footer-contact{display:grid;gap:12px}
.contact-link{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;align-items:center;min-width:0;transition:transform .25s}
.contact-link:hover{transform:translateX(5px)}
.contact-icon,.social-links a{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.16);border-radius:8px;background:rgba(255,255,255,.05)}
.contact-icon svg,.social-links svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.contact-link small{display:block;margin-bottom:3px;color:rgba(255,255,255,.5);font-size:12px}
.contact-link strong{display:block;overflow-wrap:anywhere;font-size:15px;font-weight:500}
.social-links{display:flex;gap:10px}
.social-links a{border-radius:50%;transition:border-color .2s,background .2s,transform .2s}
.social-links a:hover{border-color:var(--green);background:rgba(24,184,118,.16);transform:translateY(-2px)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;max-width:1280px;margin:0 auto;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.48);font-size:13px}

/* ============ Botón flotante "comprar" ============ */
.opt-ribbon{position:fixed;right:14px;bottom:max(14px,env(safe-area-inset-bottom));z-index:60;display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;padding:0;border:1px solid rgba(255,255,255,.35);border-radius:50%;color:#fff;background:var(--green);box-shadow:0 10px 30px rgba(16,24,32,.22);transition:transform .2s,background .2s,box-shadow .2s}
.opt-ribbon:hover{transform:translateY(-2px);background:#129d64;box-shadow:0 14px 34px rgba(16,24,32,.26)}
.opt-ribbon svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ============ Botón flotante "preguntas frecuentes" ============
   Va a la izquierda del de compra (14 + 52 de ancho + 10 de aire = 76).
   En blanco a propósito: el verde queda reservado para la acción
   principal, que es comprar. */
.faq-ribbon{position:fixed;right:76px;bottom:max(14px,env(safe-area-inset-bottom));z-index:60;display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;padding:0;border:1px solid var(--line);border-radius:50%;color:var(--ink);background:var(--white);box-shadow:0 10px 30px rgba(16,24,32,.18);transition:transform .2s,color .2s,border-color .2s,box-shadow .2s}
.faq-ribbon:hover{transform:translateY(-2px);color:var(--green);border-color:var(--green);box-shadow:0 14px 34px rgba(16,24,32,.22)}
.faq-ribbon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ============ Reveals al scrollear ============ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .65s ease,transform .65s ease}
.reveal.is-visible{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.stagger.is-visible>*{opacity:1;transform:none}
.stagger.is-visible>*:nth-child(2){transition-delay:.1s}
.stagger.is-visible>*:nth-child(3){transition-delay:.2s}
.stagger.is-visible>*:nth-child(4){transition-delay:.3s}
.stagger.is-visible>*:nth-child(5){transition-delay:.4s}
.stagger.is-visible>*:nth-child(6){transition-delay:.5s}

/* ============ Responsive ============ */
@media (max-width:980px){
  .site-header{grid-template-columns:1fr auto auto;padding-left:18px;padding-right:0}
  .main-nav,.header-cta{display:none}
  .menu-btn{display:grid;place-items:center}
  .benefit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .benefit{padding:26px 20px}
  .benefit:nth-child(3n){border-right:1px solid var(--line)}
  .benefit:nth-child(2n){border-right:0}
  /* a 2 columnas la última fila pasa a ser 5-6, no 4-6 */
  .benefit:nth-child(n+4){border-bottom:1px solid var(--line);padding-bottom:26px}
  .benefit:nth-child(n+5){border-bottom:0;padding-bottom:0}
}
@media (max-width:680px){
  /* mismo ritmo que en PC, sólo que más compacto */
  :root{--section-y:56px;--section-x:18px;--head-gap:34px}
  #guardianhogar{padding-top:calc(var(--section-y) - 26px)}
  .hero{min-height:92vh;padding:104px 18px 26px}
  .hero-image{object-position:92% center}
  .hero-shade{background:linear-gradient(180deg,rgba(3,12,10,.52),rgba(3,12,10,.2) 42%,rgba(3,12,10,.74))}
  .hero-card{padding:28px 22px 30px}
  .hero-copy{font-size:16.5px}
  h1{font-size:36px}
  h2{font-size:28px}
  .benefit h3{font-size:16.5px}
  .benefit p{font-size:13.5px}
  .benefit-icon{width:110px;height:110px;margin-bottom:4px}
  .button{min-height:46px;padding:0 20px;font-size:14.5px}
  .product-kit-layout{width:calc(100% + 24px);margin-left:-12px}
  .phone-item h3{font-size:18px}
  .phone-item p{font-size:14px}
  .ha-coverflow{width:calc(100% + 36px);margin-left:-18px;padding-top:12px}
  .ha-coverflow .swiper-slide{width:58vw}
  .footer-grid{grid-template-columns:1fr;gap:38px;margin-bottom:42px}
  .footer-bottom{flex-direction:column}
  .site-footer{padding:54px 18px 24px}
}
@media (prefers-reduced-motion:reduce){
  .reveal,.stagger>*{opacity:1;transform:none;transition:none}
  .menu-line{transition:none}
  .mobile-nav.open a{animation:none;opacity:1;transform:none}
  .hero-card{animation:none;opacity:1;transform:none}
  .arrow-down{animation:none}
  html{scroll-behavior:auto}
}