/* =========================================================
   OPTIMA 360 — Hoja de estilos global
   Paleta: terracota #D2703A · azul marino #12263F
   Tierra #7B4A2D · beige #E8D5BE · fondos #FFFFFF / #F6F5F2
   Tipografías: Poppins (títulos) / Open Sans (cuerpo)
   Motivo de marca: el arco/círculo — remite a "360"
   ========================================================= */

:root{
  --color-primary: #D2703A;
  --color-primary-dark: #B85A28;
  --color-secondary: #12263F;
  --color-secondary-light: #1D3A5F;
  --color-earth: #7B4A2D;
  --color-beige: #E8D5BE;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F6F5F2;
  --color-text: #1D2430;
  --color-text-muted: #5B6472;
  --color-border: #E4E0DA;

  --font-display: 'Poppins', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;

  --shadow-card: 0 10px 30px -12px rgba(18,38,63,0.18);
  --shadow-hover: 0 18px 40px -14px rgba(210,112,58,0.35);

  --container: 1200px;
  --header-h: 84px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--color-secondary);
  line-height: 1.15;
  margin: 0 0 .6em;
  font-weight: 700;
}
p{ margin:0 0 1em; color: var(--color-text-muted); }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; cursor:pointer; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* focus visibility (accesibilidad) */
a:focus-visible, button:focus-visible, [tabindex]:focus-visible{
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--color-secondary); color:#fff;
  padding:12px 20px; z-index:1000; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

/* eyebrow label */
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-display); font-weight:600; font-size:.8rem;
  letter-spacing:.14em; text-transform:uppercase; color: var(--color-primary);
  margin-bottom: 14px;
}
.eyebrow::before{
  content:""; width:26px; height:2px; background: var(--color-primary); border-radius:2px;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family: var(--font-display); font-weight:600; font-size:.95rem;
  padding: 15px 30px; border-radius: 999px; border: 2px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn-primary{ background: var(--color-primary); color:#fff; box-shadow: var(--shadow-hover); }
.btn-primary:hover{ background: var(--color-primary-dark); transform: translateY(-2px); }
.btn-outline{ border-color: var(--color-secondary); color: var(--color-secondary); background:transparent; }
.btn-outline:hover{ background: var(--color-secondary); color:#fff; transform: translateY(-2px); }
.btn-outline-light{ border-color: rgba(255,255,255,.5); color:#fff; }
.btn-outline-light:hover{ background:#fff; color: var(--color-secondary); }
.btn-block{ width:100%; }

/* =================== HEADER =================== */
.site-header{
  position: sticky; top:0; z-index: 500;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
}
.site-header .container{
  height:100%; display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.logo{
  font-family: var(--font-display); font-weight:700; font-size:1.5rem; color: var(--color-secondary);
  display:flex; align-items:baseline; gap:2px;
}
.logo span{ color: var(--color-primary); }
.logo .logo-dot{
  width:8px; height:8px; border-radius:50%; background: var(--color-primary); margin-left:2px; align-self:center;
}
.main-nav{ display:flex; align-items:center; gap: 8px; }
.main-nav ul{ display:flex; gap: 4px; }
.main-nav a{
  font-family: var(--font-display); font-weight:600; font-size:.92rem; color: var(--color-secondary);
  padding: 10px 16px; border-radius: 999px; transition: background .15s ease, color .15s ease;
}
.main-nav a:hover, .main-nav a[aria-current="page"]{ background: var(--color-beige); color: var(--color-earth); }
.header-actions{ display:flex; align-items:center; gap:18px; }
.header-actions .btn{ padding: 12px 24px; font-size:.88rem; }

.whatsapp-float{
  position: fixed; right:20px; bottom:20px; z-index:600;
  width:56px; height:56px; border-radius:50%; background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 24px -6px rgba(0,0,0,.4); transition: transform .15s ease;
}
.whatsapp-float svg{ width:30px; height:30px; }
.whatsapp-float:hover{ transform: scale(1.08); }

.hamburger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:44px; height:44px; background:transparent; border:1px solid var(--color-border); border-radius:10px;
}
.hamburger span{ display:block; width:20px; height:2px; background: var(--color-secondary); margin:0 auto; transition: transform .2s ease, opacity .2s ease; }
.hamburger[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.hamburger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.mobile-nav{
  display:block; position:fixed; inset: var(--header-h) 0 0 0; background:#fff; z-index:400;
  padding: 24px; overflow-y:auto;
  opacity:0; visibility:hidden; transform: translateY(-12px);
  transition: opacity .28s ease, transform .28s ease, visibility 0s linear .28s;
}
.mobile-nav.open{
  opacity:1; visibility:visible; transform: translateY(0);
  transition: opacity .28s ease, transform .28s ease;
}
.mobile-nav ul{ display:flex; flex-direction:column; gap:2px; }
.mobile-nav a{
  display:block; font-family: var(--font-display); font-weight:600; font-size:1.15rem;
  color: var(--color-secondary); padding: 16px 6px; border-bottom:1px solid var(--color-border);
}
.mobile-nav .btn{ margin-top:20px; }

/* =================== HERO =================== */
.hero{ position: relative; overflow: hidden; background: var(--color-bg-soft); }
.hero .container{
  display:grid; grid-template-columns: 1.05fr .95fr; align-items:center; gap: 48px;
  padding-top: 72px; padding-bottom: 72px;
}
.hero-copy h1{
  font-size: clamp(2.1rem, 4vw, 3.2rem); letter-spacing:-.01em;
}
.hero-copy p{ font-size:1.08rem; max-width: 46ch; }
.hero-copy .btn{ margin-top: 8px; }
.hero-media{ position: relative; }
.hero-media .arc{
  position:absolute; width: 340px; height:340px; border-radius:50%;
  border: 22px solid var(--color-beige); top:-40px; right:-60px; z-index:0;
}
.hero-media img{
  position:relative; z-index:1; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card); aspect-ratio: 4/3.4; object-fit:cover;
}
.hero-stat{
  position:absolute; z-index:2; left:-28px; bottom:-24px; background:#fff;
  border-radius: var(--radius-md); box-shadow: var(--shadow-card);
  padding: 18px 22px; display:flex; align-items:center; gap:14px; max-width:240px;
}
.hero-stat strong{ font-family: var(--font-display); font-size:1.6rem; color: var(--color-primary); display:block; }
.hero-stat span{ font-size:.82rem; color: var(--color-text-muted); }

/* small page hero (subpáginas) */
.page-hero{
  background: var(--color-secondary); color:#fff; padding: 64px 0 56px; position:relative; overflow:hidden;
}
.page-hero::after{
  content:""; position:absolute; width:420px; height:420px; border-radius:50%;
  border: 32px solid rgba(232,213,190,.14); right:-140px; top:-160px;
}
.page-hero .eyebrow{ color: var(--color-beige); }
.page-hero .eyebrow::before{ background: var(--color-beige); }
.page-hero h1{ color:#fff; max-width: 22ch; font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.page-hero p{ color: rgba(255,255,255,.78); max-width: 60ch; font-size:1.05rem; }
.breadcrumb{ font-size:.85rem; color: rgba(255,255,255,.65); margin-bottom:18px; }
.breadcrumb a{ color: var(--color-beige); }
.breadcrumb a:hover{ text-decoration:underline; }

/* =================== SECTIONS =================== */
.section{ padding: 88px 0; }
.section-soft{ background: var(--color-bg-soft); }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size: clamp(1.6rem, 2.6vw, 2.2rem); }

/* about / two-col */
.about-grid{ display:grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items:center; }
.about-grid img{ border-radius: var(--radius-lg); box-shadow: var(--shadow-card); aspect-ratio: 4/3.6; object-fit:cover; }
.about-grid-alt{ grid-template-columns: 1.1fr .9fr; }
.about-copy .values{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 24px; }
.value-chip{
  display:flex; gap:12px; align-items:flex-start; background:#fff; border:1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 16px 18px;
}
.value-chip .dot{ width:10px; height:10px; margin-top:6px; border-radius:50%; background: var(--color-primary); flex:none; }
.value-chip strong{ display:block; font-family: var(--font-display); color: var(--color-secondary); font-size:.95rem; }
.value-chip small{ color: var(--color-text-muted); font-size:.84rem; }

/* credibility strip */
.credibility{
  background: var(--color-secondary); color:#fff;
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 28px; padding: 48px 40px;
}
.cred-item{ text-align:center; padding: 8px 6px; border-right: 1px solid rgba(255,255,255,.12); }
.cred-item:last-child{ border-right:none; }
.cred-item strong{ display:block; font-family:var(--font-display); font-size:2.1rem; color: var(--color-beige); margin-bottom:4px; }
.cred-item span{ font-size:.86rem; color: rgba(255,255,255,.72); }

/* =================== SERVICE CARDS / CAROUSEL =================== */
.carousel{ position:relative; }
.carousel-viewport{ overflow:hidden; }
.carousel-track{ display:flex; transition: transform .45s cubic-bezier(.22,.8,.28,1); will-change:transform; }
.carousel-slide{ flex: 0 0 20%; padding: 6px 12px; }
.service-card{
  background:#fff; border:1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 30px 24px; height:100%; display:flex; flex-direction:column; gap:14px;
  box-shadow: var(--shadow-card); transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.service-icon{
  width:52px; height:52px; border-radius: 14px; background: var(--color-beige);
  display:flex; align-items:center; justify-content:center; color: var(--color-earth); font-size:1.4rem;
}
.service-card h3{ font-size:1.05rem; margin-bottom:2px; }
.service-card p{ font-size:.92rem; flex:1; }
.service-card .link-more{ font-family: var(--font-display); font-weight:600; font-size:.88rem; color: var(--color-primary); }
.service-card .link-more:hover{ text-decoration:underline; }

/* variantes con fondo de color (paleta) para evitar tarjetas planas en blanco */
.service-card.tint-beige{ background: #F3E4CE; border-color: transparent; }
.service-card.tint-terracota{ background: #F4DBC9; border-color: transparent; }
.service-card.tint-navy{ background: #DEE6EF; border-color: transparent; }
.service-card.tint-beige .service-icon,
.service-card.tint-terracota .service-icon,
.service-card.tint-navy .service-icon{ background: rgba(255,255,255,.75); }
.service-card.tint-navy h3{ color: var(--color-secondary); }
.service-card.tint-beige p, .service-card.tint-terracota p, .service-card.tint-navy p{ color: var(--color-earth); }
.service-card.tint-navy p{ color: var(--color-secondary-light); }

.carousel-controls{ display:flex; align-items:center; justify-content:center; gap:22px; margin-top: 30px; }
.carousel-arrow{
  width:46px; height:46px; border-radius:50%; border:2px solid var(--color-secondary); background:#fff;
  display:flex; align-items:center; justify-content:center; color: var(--color-secondary); font-size:1.1rem;
  transition: background .15s ease, color .15s ease;
}
.carousel-arrow:hover{ background: var(--color-secondary); color:#fff; }
.carousel-arrow:disabled{ opacity:.35; cursor:default; }
.carousel-dots{ display:flex; gap:8px; max-width: 46vw; overflow-x:auto; scrollbar-width:none; }
.carousel-dots::-webkit-scrollbar{ display:none; }
.carousel-dots button{ flex:none; }
.carousel-dots button{
  width:9px; height:9px; border-radius:50%; background: var(--color-border); border:none; padding:0;
}
.carousel-dots button[aria-current="true"]{ background: var(--color-primary); width:24px; border-radius:6px; }

/* services grid page */
.services-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

/* =================== CTA BAND =================== */
.cta-band{
  background: var(--color-secondary); color:#fff; border-radius: var(--radius-lg);
  padding: 56px 48px; display:flex; align-items:center; justify-content:space-between; gap:32px;
  position:relative; overflow:hidden;
}
.cta-band::before{
  content:""; position:absolute; width:260px; height:260px; border-radius:50%;
  border: 24px solid rgba(210,112,58,.28); left:-100px; bottom:-120px;
}
.cta-band h2{ color:#fff; margin-bottom:8px; font-size: clamp(1.5rem,2.4vw,2rem); max-width: 20ch; }
.cta-band p{ color: rgba(255,255,255,.75); margin-bottom:0; max-width: 46ch; }
.cta-band .cta-actions{ display:flex; gap:14px; flex:none; z-index:1; flex-wrap:wrap; }

/* =================== FAQ ACCORDION =================== */
.accordion{ max-width: 820px; margin: 0 auto; display:flex; flex-direction:column; gap:14px; }
.accordion-item{ border:1px solid var(--color-border); border-radius: var(--radius-md); background:#fff; overflow:hidden; }
.accordion-trigger{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  background:transparent; border:none; padding: 20px 24px; text-align:left;
  font-family: var(--font-display); font-weight:600; color: var(--color-secondary); font-size:1rem;
}
.accordion-trigger .icon{
  flex:none; width:30px; height:30px; border-radius:50%; background: var(--color-beige); color: var(--color-earth);
  display:flex; align-items:center; justify-content:center; transition: transform .25s ease;
}
.accordion-trigger[aria-expanded="true"] .icon{ transform: rotate(45deg); background: var(--color-primary); color:#fff; }
.accordion-panel{ max-height:0; overflow:hidden; transition: max-height .3s ease; }
.accordion-panel-inner{ padding: 0 24px 22px; }
.accordion-panel-inner p{ margin:0; }

/* =================== TESTIMONIAL / FOOTER =================== */
.site-footer{ background: #0E1E33; color: rgba(255,255,255,.82); padding: 64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; }
.footer-grid h4{ color:#fff; font-size:.95rem; letter-spacing:.04em; text-transform:uppercase; margin-bottom:18px; }
.footer-grid .logo{ color:#fff; margin-bottom:14px; }
.footer-grid p{ color: rgba(255,255,255,.6); font-size:.92rem; }
.footer-grid ul{ display:flex; flex-direction:column; gap:11px; }
.footer-grid a:hover{ color: var(--color-primary); }
.footer-grid .contact-line{ display:flex; gap:10px; align-items:flex-start; font-size:.92rem; color: rgba(255,255,255,.75); }
.social-row{ display:flex; gap:10px; margin-top:18px; }
.social-row a{
  width:38px; height:38px; border-radius:50%; border:1px solid rgba(255,255,255,.2);
  display:flex; align-items:center; justify-content:center; font-size:.9rem;
}
.social-row a:hover{ background: var(--color-primary); border-color: var(--color-primary); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1); margin-top:48px; padding-top:22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.82rem; color: rgba(255,255,255,.5);
}

/* =================== CONTACT PAGE =================== */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-card{
  background:#fff; border:1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 26px; display:flex; gap:16px; align-items:flex-start; box-shadow: var(--shadow-card);
}
.contact-card .service-icon{ flex:none; }
.contact-card h3{ font-size:1.02rem; margin-bottom:4px; }
.contact-card a.value{ font-family: var(--font-display); font-weight:600; color: var(--color-secondary); }
.contact-card a.value:hover{ color: var(--color-primary); }
.map-box{
  border-radius: var(--radius-lg); overflow:hidden; box-shadow: var(--shadow-card); min-height: 320px;
  background: var(--color-bg-soft) url('https://images.unsplash.com/photo-1524661135-423995f22d0b?q=80&w=1200&auto=format&fit=crop') center/cover;
}

/* =================== SERVICE DETAIL PAGE =================== */
.detail-grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items:start; }
.detail-block{ margin-bottom: 34px; }
.detail-block h2{ font-size:1.35rem; }
.check-list{ display:flex; flex-direction:column; gap:12px; }
.check-list li{ display:flex; gap:12px; align-items:flex-start; color: var(--color-text-muted); }
.check-list li::before{
  content:"✓"; flex:none; width:24px; height:24px; border-radius:50%; background: var(--color-beige);
  color: var(--color-earth); font-size:.72rem; display:flex; align-items:center; justify-content:center; margin-top:2px; font-weight:700;
}
.side-card{
  background: var(--color-bg-soft); border-radius: var(--radius-lg); padding: 28px; position:sticky; top: calc(var(--header-h) + 24px);
}
.side-card h3{ font-size:1.05rem; }
.side-card ul{ display:flex; flex-direction:column; gap:10px; margin: 16px 0 22px; }
.side-card ul a{ display:block; padding:10px 14px; border-radius:10px; background:#fff; border:1px solid var(--color-border); font-size:.88rem; font-family:var(--font-display); font-weight:600; color: var(--color-secondary); }
.side-card ul a:hover{ background: var(--color-beige); }
.side-card ul a[aria-current="page"]{ background: var(--color-secondary); color:#fff; border-color: var(--color-secondary); }

/* =================== RESPONSIVE =================== */
@media (max-width: 1024px){
  .carousel-slide{ flex-basis: 33.3334%; }
  .about-grid, .detail-grid, .contact-grid{ grid-template-columns: 1fr; }
  .services-grid{ grid-template-columns: repeat(2,1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .credibility{ grid-template-columns: repeat(2,1fr); gap: 24px 16px; }
  .cred-item{ border-right:none; border-bottom: 1px solid rgba(255,255,255,.12); padding-bottom:18px; }
}

@media (max-width: 860px){
  .main-nav{ display:none; }
  .hamburger{ display:flex; }
  .header-actions .btn{ display:none; }
  .hero .container{ grid-template-columns: 1fr; padding-top:44px; }
  .hero-media{ order:-1; }
  .hero-stat{ position:static; margin-top:16px; max-width:none; }
  .hero-media .arc{ display:none; }
}

@media (max-width: 620px){
  .section{ padding: 60px 0; }
  .carousel-slide{ flex-basis: 100%; }
  .services-grid{ grid-template-columns: 1fr; }
  .credibility{ grid-template-columns: 1fr 1fr; }
  .cta-band{ flex-direction:column; align-items:flex-start; padding: 36px 26px; }
  .footer-grid{ grid-template-columns: 1fr; }
  .header-actions .btn span{ display:none; }
  .about-copy .values{ grid-template-columns: 1fr; }
  .side-card{ position: static; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.01ms !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}
.hl{ text-decoration: underline; text-underline-offset: 3px; }