/* =========================================================
   ServiBrava — Limpieza profesional
   Design system: deep petrol teal + brand sage + crisp aqua,
   warm sand micro-accent, cool off-white. "Technical standard"
   voice via mono labels, hairline grid, precision tick marks.
   ========================================================= */

:root {
  /* color */
  --ink:      #12211F;
  --teal:     #0E3C39;   /* primary deep */
  --teal-700: #155650;
  --sage:     #AFCDCC;   /* brand soft */
  --sage-200: #DBEAE8;   /* light fill */
  --sage-050: #EEF4F2;
  --aqua:     #1FB49B;   /* accent */
  --aqua-600: #159182;
  --sand:     #C2A77C;   /* warm micro accent */
  --bone:     #F4F7F5;   /* page bg */
  --white:    #FFFFFF;
  --muted:    #566663;

  /* type */
  --f-display: 'Archivo', system-ui, sans-serif;
  --f-body:    'Hanken Grotesk', system-ui, sans-serif;
  --f-mono:    'Space Mono', ui-monospace, monospace;
  --f-brand:   'Baloo 2', system-ui, sans-serif;

  /* layout */
  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 14px;
  --radius-sm: 9px;

  --shadow: 0 1px 2px rgba(18,33,31,.04), 0 18px 46px -24px rgba(14,60,57,.34);
  --shadow-sm: 0 1px 2px rgba(18,33,31,.05), 0 10px 24px -18px rgba(14,60,57,.30);
  --hair: rgba(14,60,57,.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--f-body);
  color: var(--ink);
  background: var(--bone);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1,h2,h3,h4 { font-family: var(--f-display); font-weight: 800; line-height: 1.04; letter-spacing: -.02em; margin: 0; }
p { margin: 0; }
blockquote { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

/* ---- utility: mono eyebrow label ---- */
.eyebrow {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--aqua-600);
  display: inline-flex;
  align-items: center;
  gap: .6em;
  margin: 0 0 1.1rem;
}
.eyebrow::before { content: "//"; color: var(--sand); font-weight: 700; }
.eyebrow.on-dark { color: var(--sage); }
.eyebrow.on-dark::before { color: var(--aqua); }

/* ---- buttons ---- */
.btn {
  --bg: var(--aqua); --fg: #06302b;
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--f-mono); font-size: .82rem; letter-spacing: .04em;
  font-weight: 700;
  padding: .95em 1.4em; border-radius: 100px;
  background: var(--bg); color: var(--fg);
  border: 1px solid transparent;
  cursor: pointer; transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
  box-shadow: 0 10px 22px -12px rgba(31,180,155,.6);
}
.btn:hover { transform: translateY(-2px); background: var(--aqua-600); }
.btn:focus-visible { outline: 3px solid var(--aqua); outline-offset: 3px; }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.34); box-shadow: none; }
.btn--ghost:hover { background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.6); }
.btn--ink { background: var(--teal); color: #eafaf6; box-shadow: 0 12px 26px -14px rgba(14,60,57,.7); }
.btn--ink:hover { background: var(--teal-700); }
.btn svg { width: 1.05em; height: 1.05em; }

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bone) 88%, transparent);
  backdrop-filter: saturate(1.3) blur(10px);
  border-bottom: 1px solid var(--hair);
}
.site-header__row { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: .6rem; }
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__text { font-family: var(--f-brand); font-size: 1.42rem; font-weight: 500; color: var(--sage); line-height: 1; letter-spacing: -.01em; }
.brand__text b { font-weight: 800; color: var(--teal); }
.brand__tag { display:block; font-family: var(--f-mono); font-size: .5rem; letter-spacing:.26em; color: var(--sand); text-transform: uppercase; margin-top: 3px; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav__links { display: flex; gap: 1.6rem; }
.nav__links a { font-size: .96rem; font-weight: 500; color: var(--ink); position: relative; padding: .2em 0; }
.nav__links a::after { content:""; position:absolute; left:0; right:100%; bottom:-2px; height:2px; background: var(--aqua); transition: right .25s ease; }
.nav__links a:hover::after, .nav__links a:focus-visible::after { right: 0; }
.nav__cta { display: flex; align-items: center; gap: .8rem; }
.nav__phone { font-family: var(--f-mono); font-size: .82rem; color: var(--teal); white-space: nowrap; }
.nav__phone b { color: var(--aqua-600); }

.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--hair); border-radius: 10px; background: var(--white); cursor: pointer; align-items: center; justify-content: center; }
.burger span, .burger span::before, .burger span::after { content:""; display:block; width: 18px; height: 2px; background: var(--teal); transition: transform .25s ease, opacity .2s ease; position: relative; }
.burger span::before { position:absolute; top:-6px; } .burger span::after { position:absolute; top:6px; }
.nav-open .burger span { background: transparent; }
.nav-open .burger span::before { transform: translateY(6px) rotate(45deg); }
.nav-open .burger span::after { transform: translateY(-6px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero { position: relative; background: var(--teal); color: #eafaf6; overflow: hidden; }
.hero::before { /* hairline precision grid */
  content:""; position:absolute; inset:0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(120% 90% at 70% 0%, #000 40%, transparent 85%);
  pointer-events:none;
}
.hero__grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; padding: clamp(3rem, 7vw, 6rem) 0 clamp(3.2rem, 7vw, 5.5rem); }
.hero h1 { font-size: clamp(2.7rem, 6.6vw, 5.1rem); letter-spacing: -.035em; }
.hero h1 .accent { color: var(--aqua); position: relative; white-space: nowrap; }
.hero h1 .accent::after { content:""; position:absolute; left:0; right:0; bottom:.07em; height:.09em; background: linear-gradient(90deg, var(--aqua), var(--sage)); border-radius: 2px; transform: scaleX(0); transform-origin: left; animation: scan 1s .55s cubic-bezier(.2,.7,.2,1) forwards; }
@keyframes scan { to { transform: scaleX(1); } }
.hero__lead { margin-top: 1.5rem; max-width: 40ch; color: #cfe6e1; font-size: 1.08rem; }
.hero__pills { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.8rem; }
.pill { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .06em; padding: .5em .85em; border: 1px solid rgba(175,205,204,.34); border-radius: 100px; color: var(--sage); }
.pill b { color: var(--aqua); font-weight: 700; margin-right: .3em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.1rem; }

/* framed hero image with precision ticks */
.hero__figure { position: relative; }
.hero__figure img { width: 100%; height: clamp(320px, 42vw, 500px); object-fit: cover; border-radius: var(--radius); }
.hero__frame { position: absolute; inset: -10px; border: 1px solid rgba(175,205,204,.4); border-radius: calc(var(--radius) + 10px); pointer-events: none; }
.hero__frame::before, .hero__frame::after { content:""; position:absolute; width:16px; height:16px; border:2px solid var(--aqua); }
.hero__frame::before { top:-1px; left:-1px; border-right:0; border-bottom:0; }
.hero__frame::after { bottom:-1px; right:-1px; border-left:0; border-top:0; }
.hero__chip { position: absolute; left: 14px; bottom: 14px; background: rgba(8,42,38,.72); backdrop-filter: blur(4px); border: 1px solid rgba(175,205,204,.3); border-radius: 100px; padding: .5em .95em; font-family: var(--f-mono); font-size: .72rem; letter-spacing:.08em; color: var(--sage); display:flex; gap:.6em; align-items:center; }
.hero__chip b { color: var(--aqua); }
.hero__dot { width:7px; height:7px; border-radius:50%; background: var(--aqua); box-shadow: 0 0 0 0 rgba(31,180,155,.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(31,180,155,.55);} 70%{box-shadow:0 0 0 9px rgba(31,180,155,0);} 100%{box-shadow:0 0 0 0 rgba(31,180,155,0);} }

/* marquee of trust line under hero */
.trust { background: var(--ink); color: var(--sage); overflow: hidden; border-top: 1px solid rgba(255,255,255,.06); }
.trust__row { display:flex; align-items:center; gap: 2.6rem; padding: .85rem 0; white-space: nowrap; font-family: var(--f-mono); font-size:.76rem; letter-spacing:.14em; text-transform: uppercase; animation: marq 26s linear infinite; width: max-content; }
.trust__row span { display:inline-flex; gap:2.6rem; }
.trust__row i { color: var(--aqua); font-style: normal; }
@keyframes marq { from{ transform: translateX(0);} to{ transform: translateX(-50%);} }
@media (prefers-reduced-motion: reduce){ .trust__row{ animation:none; } }

/* =========================================================
   Sections
   ========================================================= */
.section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section--tint { background: var(--white); }
.section__head { max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section__head h2 { font-size: clamp(2rem, 4.3vw, 3.1rem); }
.section__head p { margin-top: 1rem; color: var(--muted); font-size: 1.08rem; }

/* why-us */
.why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hair); border: 1px solid var(--hair); border-radius: var(--radius); overflow: hidden; }
.why__item { background: var(--white); padding: clamp(1.5rem, 2.4vw, 2.1rem); position: relative; }
.why__item .num { font-family: var(--f-mono); font-size: .72rem; color: var(--sand); letter-spacing: .1em; }
.why__item h3 { font-size: 1.22rem; margin: .7rem 0 .55rem; letter-spacing: -.01em; }
.why__item p { color: var(--muted); font-size: .98rem; }
.why__item .ic { width: 30px; height: 30px; color: var(--aqua-600); margin-bottom: .2rem; }

/* about split */
.about { display:grid; grid-template-columns: .95fr 1.05fr; gap: clamp(2rem,5vw,4rem); align-items:center; }
.about__media { position: relative; }
.about__media img { width:100%; height: clamp(300px, 40vw, 460px); object-fit: cover; border-radius: var(--radius); }
.about__badge { position:absolute; right:-14px; bottom:-14px; background: var(--teal); color:#eafaf6; border-radius: var(--radius-sm); padding: 1.1rem 1.3rem; box-shadow: var(--shadow); }
.about__badge b { font-family: var(--f-display); font-size: 2.2rem; display:block; line-height:1; color: var(--aqua); }
.about__badge span { font-family: var(--f-mono); font-size: .7rem; letter-spacing:.1em; text-transform: uppercase; color: var(--sage); }
.about__list { margin-top: 1.6rem; display: grid; gap: .9rem; }
.about__list li { display:flex; gap:.8rem; align-items:flex-start; }
.about__list .tick { flex:none; width:22px; height:22px; border-radius:50%; background: var(--sage-200); color: var(--teal); display:grid; place-items:center; margin-top:2px; }
.about__list .tick svg { width:12px; height:12px; }

/* =========================================================
   Services catalog
   ========================================================= */
.svc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.svc__card {
  background: var(--white); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: 1.5rem 1.4rem 1.6rem; position: relative; overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.svc__card::before { content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background: var(--sage); transform: scaleY(0); transform-origin: top; transition: transform .25s ease; }
.svc__card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.svc__card:hover::before { transform: scaleY(1); background: var(--aqua); }
.svc__code { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .12em; color: var(--sand); }
.svc__card h3 { font-size: 1.16rem; margin: .7rem 0 .55rem; letter-spacing: -.01em; }
.svc__card p { color: var(--muted); font-size: .95rem; }
.svc__card.is-feature { grid-column: span 1; background: linear-gradient(160deg, var(--teal), #0b302e); color: #eafaf6; border-color: transparent; }
.svc__card.is-feature h3 { color: #fff; } .svc__card.is-feature p { color: #c6e2dd; }
.svc__card.is-feature .svc__code { color: var(--aqua); }
.svc__card.is-feature::before { background: var(--aqua); }

/* brands / products strip */
.brands { margin-top: clamp(2.5rem,5vw,3.5rem); border-top: 1px dashed var(--hair); padding-top: 2rem; }
.brands p { font-family: var(--f-mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color: var(--muted); margin-bottom: 1.2rem; }
.brands__row { display:flex; flex-wrap:wrap; align-items:center; gap: clamp(.9rem, 2.4vw, 1.4rem); }
.brands__row img { height: 62px; width:auto; object-fit: contain; background:#fff; border:1px solid var(--hair); border-radius:12px; padding:12px 20px; box-shadow: var(--shadow-sm); transition: transform .2s ease; }
.brands__row img:hover { transform: translateY(-3px); }

/* =========================================================
   Testimonials
   ========================================================= */
.quotes { display:grid; grid-template-columns: repeat(3,1fr); gap: 1.1rem; }
.quote { background: var(--white); border:1px solid var(--hair); border-radius: var(--radius); padding: 1.7rem 1.6rem; display:flex; flex-direction:column; gap:1.1rem; }
.quote__mark { font-family: var(--f-display); font-size: 3rem; line-height:.6; color: var(--sage); height: .5em; }
.quote p { font-size: 1.02rem; color: var(--ink); }
.quote__by { display:flex; align-items:center; gap:.8rem; margin-top:auto; }
.quote__by img, .quote__ini { width:42px; height:42px; border-radius:50%; object-fit:cover; flex:none; }
.quote__ini { background: var(--sage-200); color: var(--teal); display:grid; place-items:center; font-family: var(--f-display); font-weight:800; }
.quote__by b { display:block; font-size:.96rem; } .quote__by span { font-size:.82rem; color: var(--muted); }

/* =========================================================
   FAQ
   ========================================================= */
.faq { max-width: 820px; margin-inline:auto; }
.faq__item { border-bottom: 1px solid var(--hair); }
.faq__q { width:100%; text-align:left; background:none; border:0; cursor:pointer; padding: 1.25rem 2.5rem 1.25rem 0; position:relative; font-family: var(--f-display); font-weight:800; font-size: 1.12rem; color: var(--ink); letter-spacing:-.01em; }
.faq__q::after { content:""; position:absolute; right:.3rem; top:50%; width:13px; height:13px; margin-top:-6px; background:
   linear-gradient(var(--aqua-600),var(--aqua-600)) center/13px 2px no-repeat,
   linear-gradient(var(--aqua-600),var(--aqua-600)) center/2px 13px no-repeat;
   transition: transform .25s ease; }
.faq__item.open .faq__q::after { transform: rotate(135deg); }
.faq__a { overflow: hidden; max-height: 0; transition: max-height .3s ease; }
.faq__a p { padding: 0 0 1.3rem; color: var(--muted); }

/* =========================================================
   Contact
   ========================================================= */
.contact { background: var(--teal); color:#eafaf6; border-radius: 0; position: relative; overflow:hidden; }
.contact::before { content:""; position:absolute; inset:0; background-image:
   linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
   linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
   background-size: 56px 56px; mask-image: radial-gradient(90% 120% at 20% 20%, #000 30%, transparent 80%); }
.contact__grid { position:relative; display:grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); }
.contact h2 { font-size: clamp(2rem,4.4vw,3rem); }
.contact__lead { margin-top:1rem; color:#cfe6e1; max-width: 42ch; }
.contact__meta { margin-top:2rem; display:grid; gap:1.1rem; }
.contact__meta a, .contact__meta div { display:flex; gap:.9rem; align-items:flex-start; color:#eafaf6; }
.contact__meta .ic { flex:none; width:38px; height:38px; border-radius:10px; background: rgba(255,255,255,.08); display:grid; place-items:center; color: var(--aqua); }
.contact__meta .ic svg { width:18px; height:18px; }
.contact__meta small { display:block; font-family: var(--f-mono); font-size:.66rem; letter-spacing:.12em; text-transform:uppercase; color: var(--sage); }
.contact__meta b { font-weight:600; font-size:1.04rem; }

.form { background: rgba(255,255,255,.04); border:1px solid rgba(175,205,204,.22); border-radius: var(--radius); padding: clamp(1.4rem,3vw,2rem); }
.form label { display:block; font-family: var(--f-mono); font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color: var(--sage); margin: 0 0 .4rem; }
.field { margin-bottom: 1.1rem; }
.form input, .form textarea {
  width:100%; padding: .85em 1em; border-radius: 10px; border:1px solid rgba(175,205,204,.28);
  background: rgba(8,42,38,.4); color:#eafaf6; font-family: var(--f-body); font-size:1rem;
}
.form input::placeholder, .form textarea::placeholder { color: #8fb3ad; }
.form input:focus, .form textarea:focus { outline:none; border-color: var(--aqua); box-shadow: 0 0 0 3px rgba(31,180,155,.25); }
.form__note { font-size:.78rem; color:#9fc0ba; margin-top:.4rem; }

/* =========================================================
   Footer
   ========================================================= */
.footer { background: var(--ink); color: #b9ccc8; padding: clamp(3rem,6vw,4.2rem) 0 2rem; }
.footer__grid { display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer .brand__text { color: var(--sage); }
.footer__about { max-width: 34ch; margin-top:1rem; font-size:.94rem; color:#90a7a3; }
.footer h4 { font-family: var(--f-mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color: var(--sage); margin:0 0 1rem; }
.footer a:hover { color: var(--aqua); }
.footer__links li { margin-bottom:.6rem; font-size:.95rem; }
.footer__bottom { margin-top: 2.6rem; padding-top: 1.4rem; border-top:1px solid rgba(255,255,255,.08); display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; font-family: var(--f-mono); font-size:.72rem; letter-spacing:.05em; color:#7d938f; }
.footer__bottom a { color:#7d938f; } .footer__bottom a:hover{ color: var(--aqua); }

/* floating whatsapp */
.wa { position: fixed; right: 18px; bottom: 18px; z-index: 70; width: 54px; height: 54px; border-radius: 50%; background: #25D366; display:grid; place-items:center; box-shadow: 0 10px 30px -8px rgba(37,211,102,.6); transition: transform .2s ease; }
.wa:hover { transform: scale(1.08); }
.wa svg { width: 28px; height:28px; fill:#fff; }

/* =========================================================
   Reveal animation
   ========================================================= */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1{ transition-delay:.06s;} .reveal.d2{ transition-delay:.12s;} .reveal.d3{ transition-delay:.18s;} .reveal.d4{ transition-delay:.24s;} .reveal.d5{ transition-delay:.3s;}
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none;} .hero h1 .accent::after{ animation:none; transform:scaleX(1);} .hero__dot{animation:none;} }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__figure { order:-1; }
  .about { grid-template-columns: 1fr; }
  .why { grid-template-columns: repeat(2,1fr); }
  .svc { grid-template-columns: repeat(2,1fr); }
  .quotes { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav__links, .nav__cta { display: none; }
  .burger { display: inline-flex; }
  .site-header__row { height: 64px; }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; left: 0; right: 0; top: 64px;
    background: var(--white); border-bottom: 1px solid var(--hair); padding: .5rem var(--gutter) 1.2rem;
  }
  .nav.is-open .nav__links a { padding: .9rem 0; border-bottom: 1px solid var(--hair); }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .why { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .about__badge { right: 12px; bottom: -14px; }

  /* hero */
  .hero__grid { padding: 2.2rem 0 2.6rem; gap: 1.6rem; }
  .hero h1 { font-size: clamp(2.4rem, 11vw, 3.1rem); }
  .hero__lead { margin-top: 1.1rem; }
  .hero__actions { margin-top: 1.6rem; }
  .hero__figure img { height: 290px; }
  .hero__frame { inset: -5px; }
  .hero__chip { font-size: .64rem; left: 10px; bottom: 10px; }

  /* testimonials: tighter cards + gaps */
  .quotes { gap: .85rem; }
  .quote { padding: 1.4rem 1.35rem; gap: .85rem; }
  .quote p { font-size: .98rem; }

  /* sections a touch tighter */
  .section { padding: 3.4rem 0; }
}