/* =========================================================
   HomeGlass · ventanashomeglass.cl
   Hoja de estilos única. Sin dependencias.
   ========================================================= */

:root{
  --ink:#0b1a28;
  --navy:#013e71;          /* azul del logo */
  --slate:#4e6577;
  --muted:#7b8d9d;
  --primary:#0a5c9e;
  --primary-dark:#013e71;
  --primary-soft:#e6f0f8;
  --accent:#2ab0cf;
  --gris-marca:#696969;    /* gris del logo */
  --cta:#ff7a21;
  --cta-dark:#e8650d;
  --wa:#25d366;
  --bg:#ffffff;
  --bg-alt:#f5f9fc;
  --line:#e3ebf2;
  --white:#fff;
  --ok:#17a673;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(13,27,38,.06),0 2px 8px rgba(13,27,38,.05);
  --shadow:0 8px 30px rgba(13,27,38,.10);
  --shadow-lg:0 24px 60px rgba(13,27,38,.16);
  --maxw:1180px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{line-height:1.18;margin:0 0 .5em;letter-spacing:-.02em;font-weight:800;color:var(--navy)}
h1{font-size:clamp(2rem,4.4vw,3.25rem)}
h2{font-size:clamp(1.6rem,3.1vw,2.35rem)}
h3{font-size:1.15rem}
p{margin:0 0 1rem}
ul{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:clamp(56px,7vw,96px) 0}
.section--alt{background:var(--bg-alt)}
.section__head{max-width:720px;margin:0 auto clamp(32px,4vw,52px);text-align:center}
.section__head p{color:var(--slate);font-size:1.06rem;margin:0}
.eyebrow{
  display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;color:var(--primary);background:var(--primary-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.lead{font-size:1.12rem;color:var(--slate)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:1rem;
  border:2px solid transparent;cursor:pointer;transition:.18s ease;
  font-family:inherit;text-align:center;line-height:1.2;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--cta{background:var(--cta);color:#fff;box-shadow:0 8px 22px rgba(255,122,33,.34)}
.btn--cta:hover{background:var(--cta-dark);color:#fff}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(1,62,113,.30)}
.btn--primary:hover{background:var(--primary-dark);color:#fff}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn--wa{background:var(--wa);color:#fff;box-shadow:0 8px 22px rgba(37,211,102,.3)}
.btn--wa:hover{background:#1fb757;color:#fff}
.btn--block{width:100%}
.btn--sm{padding:10px 18px;font-size:.92rem}

/* ---------- Topbar ---------- */
.topbar{background:var(--navy);color:#cfe2ef;font-size:.85rem}
.topbar__in{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:9px 20px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}
.topbar__list{display:flex;gap:20px;flex-wrap:wrap;align-items:center}
.topbar__list li{display:flex;align-items:center;gap:7px}
.topbar__social{gap:12px!important;padding-left:4px;border-left:1px solid rgba(255,255,255,.22);margin-left:4px}
.topbar__social a{display:inline-flex;opacity:.85;transition:opacity .2s,transform .2s}
.topbar__social a:hover{opacity:1;transform:translateY(-1px)}
.topbar__social:empty{display:none}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header__in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 20px}
.logo{display:inline-flex;align-items:center}
.logo img{height:60px;width:auto;display:block}
.footer .logo img{height:64px}
@media (max-width:640px){ .logo img{height:42px} }
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:var(--navy);font-weight:600;font-size:.95rem}
.nav a:hover{color:var(--primary)}
.header__cta{display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--navy);border-radius:2px;margin:5px 0;transition:.2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#eaf4fb;
  background:
    radial-gradient(1100px 520px at 85% -10%,rgba(42,176,207,.30),transparent 60%),
    linear-gradient(160deg,#01243f 0%,#013e71 48%,#0a5c9e 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.13;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:72px 72px;mask-image:radial-gradient(circle at 25% 40%,#000,transparent 72%);
}
.hero__in{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:start;padding:clamp(48px,6vw,84px) 20px}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero__sub{font-size:1.12rem;color:#c3dced;max-width:44ch;margin-bottom:26px}
.hero__badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.2);color:#fff;padding:7px 14px;border-radius:999px;font-size:.83rem;font-weight:600}
.hero__benefits{display:grid;gap:16px;margin:28px 0 30px}
.hero__benefit{display:flex;gap:14px;align-items:flex-start}
.hero__benefit .ico{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:rgba(34,184,207,.18);border:1px solid rgba(34,184,207,.35);display:grid;place-items:center}
.hero__benefit strong{display:block;color:#fff;font-size:1rem}
.hero__benefit span{color:#a9c8dc;font-size:.92rem}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap}
.hero__actions .btn--ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.hero__actions .btn--ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}

/* ---------- Tarjeta cotizador ---------- */
.quote{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;color:var(--ink)}
.quote__head{background:linear-gradient(135deg,var(--primary) 0%,#013e71 100%);color:#fff;padding:22px 26px}
.quote__head h2{color:#fff;font-size:1.3rem;margin:0 0 4px}
.quote__head p{margin:0;font-size:.9rem;color:#cfe6f5}
.steps{display:flex;gap:8px;padding:16px 26px 0}
.steps__item{flex:1;font-size:.76rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.steps__bar{height:4px;border-radius:4px;background:var(--line);margin-bottom:7px;overflow:hidden}
.steps__item.is-active{color:var(--primary)}
.steps__item.is-active .steps__bar,.steps__item.is-done .steps__bar{background:var(--primary)}
.steps__item.is-done{color:var(--ok)}
.steps__item.is-done .steps__bar{background:var(--ok)}
.quote__body{padding:18px 26px 26px}
.fieldset{display:grid;gap:15px}
.fieldset[hidden]{display:none}
.field label,.field legend{display:block;font-size:.85rem;font-weight:700;color:var(--navy);margin-bottom:6px}
.field .hint{font-weight:500;color:var(--muted);font-size:.78rem}
.field input[type=text],.field input[type=tel],.field input[type=email],.field input[type=number],.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;font-size:.97rem;
  font-family:inherit;color:var(--ink);background:#fff;transition:.15s;
}
.field textarea{min-height:86px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px rgba(10,92,158,.15)}
.field input[aria-invalid="true"],.field select[aria-invalid="true"]{border-color:#dc3545;box-shadow:0 0 0 3px rgba(220,53,69,.1)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.chips{display:flex;flex-wrap:wrap;gap:8px;border:0;padding:0;margin:0}
.chip{position:relative}
.chip input{position:absolute;opacity:0;width:1px;height:1px}
.chip span{display:inline-block;padding:8px 14px;border:1.5px solid var(--line);border-radius:999px;font-size:.87rem;font-weight:600;color:var(--slate);cursor:pointer;transition:.15s;user-select:none}
.chip input:checked+span{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark)}
.chip input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.83rem;color:var(--slate);line-height:1.5}
.check input{margin-top:3px;width:17px;height:17px;accent-color:var(--primary);flex:0 0 auto}
.quote__actions{display:flex;gap:10px;margin-top:4px}
.quote__note{font-size:.78rem;color:var(--muted);text-align:center;margin:12px 0 0}
.form-msg{padding:12px 14px;border-radius:11px;font-size:.9rem;font-weight:600;display:none}
.form-msg.is-error{display:block;background:#fdeaec;color:#b02a37;border:1px solid #f5c2c7}
.form-msg.is-ok{display:block;background:#e6f7f0;color:#0f7a55;border:1px solid #b6e6d3}
.quote__done{text-align:center;padding:34px 10px}
.quote__done .tick{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:#e6f7f0;display:grid;place-items:center}

/* ---------- Franja de confianza ---------- */
.trust{border-bottom:1px solid var(--line);background:#fff}
.trust__in{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:26px 20px}
.trust__item{display:flex;gap:12px;align-items:center}
.trust__item strong{display:block;font-size:.95rem;color:var(--navy)}
.trust__item span{font-size:.83rem;color:var(--muted)}
.trust__ico{flex:0 0 40px;width:40px;height:40px;border-radius:11px;background:var(--primary-soft);display:grid;place-items:center}

/* ---------- Cards genéricas ---------- */
.cards{display:grid;gap:22px}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0ee}
.card h3{margin-bottom:8px}
.card p{color:var(--slate);font-size:.94rem;margin:0}
.card__ico{width:50px;height:50px;border-radius:13px;background:var(--primary-soft);display:grid;place-items:center;margin-bottom:16px}

/* ---------- Tipos de ventana ---------- */
.type{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s;display:flex;flex-direction:column}
.type:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfe0ee}
.type__fig{background:linear-gradient(160deg,#eef5fb,#d9e8f4);aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;position:relative}
.type__fig svg{width:100%;height:auto;max-width:180px}
.type__fig img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.type:hover .type__fig img{transform:scale(1.05)}
.type__fig--foto{padding:0}
.type__body{padding:20px 22px 24px}
.type__body h3{margin-bottom:6px}
.type__body p{color:var(--slate);font-size:.92rem;margin:0}
.type__tag{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}

/* ---------- Termopanel ---------- */
.tp{display:grid;grid-template-columns:1fr 460px;gap:clamp(28px,4vw,54px);align-items:center;max-width:1080px;margin:0 auto}
.tp__txt p{color:var(--slate);margin:0 0 14px;font-size:1rem;line-height:1.72}
.tp__txt p:last-child{margin-bottom:0}
.tp__txt strong{color:var(--navy)}
.tp__fig{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 20px 16px;box-shadow:var(--shadow-sm)}
.tp__fig img{width:100%;height:auto;display:block;border-radius:6px}
.tp__fig figcaption{margin-top:12px;font-size:.82rem;color:var(--muted);text-align:center;line-height:1.5}
.tp__tipos{margin-top:26px}
.card--cta{background:linear-gradient(150deg,var(--navy),#0a5c9e);border-color:transparent;color:#dcecf7}
.card--cta h3{color:#fff}
.card--cta p{color:#cfe2ef}
.card__botones{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
@media (max-width:980px){
  .tp{grid-template-columns:1fr}
  .tp__fig{max-width:460px;margin:0 auto}
}

/* ---------- Colores ---------- */
.colors{display:grid;grid-template-columns:repeat(5,1fr);gap:26px;max-width:1000px;margin:0 auto}
.color{text-align:center}
.color__sw{aspect-ratio:1;border-radius:14px;border:1px solid rgba(13,27,38,.14);box-shadow:var(--shadow-sm);margin-bottom:12px;transition:.22s;overflow:hidden;background:#eee}
.color__sw img{width:100%;height:100%;object-fit:cover;display:block}
.color:hover .color__sw{transform:translateY(-4px) scale(1.03);box-shadow:var(--shadow)}
.color b{font-size:.92rem;color:var(--navy);font-weight:700;display:block;letter-spacing:.01em}

/* ---------- Colores: nota + bajo pedido ---------- */
.colors__nota{text-align:center;margin:28px auto 0;max-width:620px;color:var(--slate);font-size:.95rem}
.pedido{max-width:1000px;margin:34px auto 0;display:grid;grid-template-columns:1fr auto;gap:34px;align-items:center;background:linear-gradient(150deg,#f4f9fd,#e9f2fa);border:1px solid rgba(13,27,38,.09);border-radius:18px;padding:26px 30px}
.pedido__txt h3{margin:6px 0 8px;font-size:1.22rem}
.pedido__txt p{color:var(--slate);font-size:.94rem;margin:0 0 16px;max-width:52ch}
.pedido__colors{display:grid;grid-template-columns:repeat(2,120px);gap:20px}
.pedido__colors .color__sw{margin-bottom:9px}
.pedido__colors b{font-size:.88rem}
@media (max-width:760px){
  .pedido{grid-template-columns:1fr;padding:24px 22px;gap:24px}
  .pedido__colors{grid-template-columns:repeat(2,1fr);max-width:280px}
}
.color span{font-size:.78rem;color:var(--muted);display:block;margin-top:2px}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 18px}
.stat b{display:block;font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:800;color:var(--primary);letter-spacing:-.03em;line-height:1}
.stat span{font-size:.9rem;color:var(--slate);display:block;margin-top:8px}

/* ---------- Proceso ---------- */
.steps-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.flow{position:relative;padding-top:14px}
.flow__n{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:14px;box-shadow:0 6px 18px rgba(1,62,113,.30)}
.flow h3{font-size:1.05rem;margin-bottom:6px}
.flow p{color:var(--slate);font-size:.92rem;margin:0}
.flow::before{content:"";position:absolute;top:36px;left:56px;right:-22px;height:2px;background:linear-gradient(90deg,var(--line),var(--line));z-index:-1}
.steps-flow .flow:last-child::before{display:none}

/* ---------- Garantía ---------- */
.warranty{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.warranty__seal{background:linear-gradient(160deg,#013e71,#0a5c9e);color:#fff;border-radius:var(--radius-lg);padding:44px 38px;text-align:center;box-shadow:var(--shadow-lg)}
.warranty__seal b{display:block;font-size:4.2rem;font-weight:800;line-height:1;letter-spacing:-.04em}
.warranty__seal span{display:block;font-size:1.05rem;color:#bcdaee;margin-top:6px}
.wlist{display:grid;gap:14px}
.wlist li{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.wlist b{display:block;color:var(--navy);font-size:.98rem}
.wlist p{margin:2px 0 0;color:var(--slate);font-size:.9rem}
.wlist .dot{flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);font-weight:800;font-size:.78rem}

/* ---------- FAQ ---------- */
.faq{max-width:800px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--primary);font-weight:400;line-height:1;flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .faq__a{padding:16px 22px 20px;color:var(--slate);font-size:.95rem}
.faq .faq__a p:last-child{margin:0}

/* ---------- CTA final ---------- */
.cta-band{background:linear-gradient(135deg,#01305a,#0a5c9e);color:#fff;border-radius:var(--radius-lg);padding:clamp(34px,5vw,56px);text-align:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}
.cta-band p{color:#c8e0f0;max-width:56ch;margin:0 auto 26px}
.cta-band__actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#9fb3c4;padding:56px 0 0;font-size:.92rem}
.footer a{color:#cfe0ee}
.footer a:hover{color:#fff}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;letter-spacing:.02em}
.footer ul{display:grid;gap:9px}
.footer .logo{color:#fff}
.footer .logo small{color:#7d94a8}
.footer__social{display:flex;gap:10px;margin-top:16px}
.footer__social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center}
.footer__social a:hover{background:var(--primary)}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.84rem}

/* ---------- WhatsApp flotante ---------- */
.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:70;width:58px;height:58px;border-radius:50%;
  background:var(--wa);display:grid;place-items:center;box-shadow:0 10px 26px rgba(37,211,102,.42);
  transition:.2s;
}
.wa-float:hover{transform:scale(1.08)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero__in{grid-template-columns:1fr;gap:38px}
  .cards--4,.trust__in,.stats,.steps-flow{grid-template-columns:repeat(2,1fr)}
  .cards--3{grid-template-columns:repeat(2,1fr)}
  .colors{grid-template-columns:repeat(3,1fr);max-width:560px}
  .warranty{grid-template-columns:1fr;gap:32px}
  .footer__grid{grid-template-columns:1fr 1fr}
  .flow::before{display:none}
}
@media (max-width:820px){
  .nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 18px;box-shadow:var(--shadow);
    display:none;
  }
  .nav.is-open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .header__cta .btn--ghost{display:none}
  .header__in{position:relative}
}
@media (max-width:640px){
  .cards--3,.cards--4,.trust__in,.stats,.steps-flow{grid-template-columns:1fr}
  .colors{grid-template-columns:repeat(2,1fr);gap:18px}
  .grid-2{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .quote__head,.quote__body,.steps{padding-left:20px;padding-right:20px}
  .topbar__in{justify-content:center;font-size:.8rem}
  .hero__actions .btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}