/* ============================================================
   Ambulare — Sitio · "Sonoran Adobe"
   Prótesis y Rehabilitación · Hermosillo, Sonora
   Static HTML/CSS — sin frameworks, sin build tools.
   Valores finales horneados (hero split / CTA naranja /
   radio 12px / densidad regular / escala de texto 1.0).
   ============================================================ */

:root{
  /* Marca — Sonoran Adobe */
  --green:#386E5E;        --green-dark:#2D5E50;   --green-700:#4A8472;
  --accent:#E17438;       --accent-dark:#C45C22;  --accent-soft:#F2CFAD;
  --cream:#F8F0E2;        --surface:#FDF8EE;      --sage:#E6E9DD;
  --border:#EADCC6;       --ink:#241E15;          --muted:#726857;
  --hl-green:oklch(0.91 0.055 162);   /* marcador «GRATUITA» */

  --radius:12px;
  --section-pad:88px;

  --wrap:1180px;
  --serif:'Spectral', Georgia, serif;
  --sans:'Hanken Grotesk', system-ui, sans-serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--cream); color:var(--ink);
  font-family:var(--sans); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 24px; }
.serif{ font-family:var(--serif); }
.eyebrow{
  font-size:.72rem; font-weight:700; letter-spacing:.18em;
  text-transform:uppercase; color:var(--accent-dark);
}
.section{ padding: var(--section-pad) 0; }
.visually-hidden{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.55em;
  font-family:var(--sans); font-weight:700; font-size:1rem;
  padding:.85em 1.4em; border-radius:var(--radius);
  border:1.5px solid transparent; cursor:pointer; line-height:1;
  transition:background .18s ease, color .18s ease, border-color .18s ease, transform .12s ease;
  white-space:nowrap;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--accent-dark); }
.btn-ghost{ background:transparent; color:var(--green-dark); border-color:var(--green); }
.btn-ghost:hover{ background:var(--green); color:#fff; }
.btn-wa{ background:#1FA855; color:#fff; }
.btn-wa:hover{ background:#178A45; }
.btn svg{ width:1.15em; height:1.15em; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:40;
  background:color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--border);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:74px; gap:24px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.logo-fallback{ display:flex; align-items:center; gap:10px; }
.logo-fallback .mark{
  width:34px; height:34px; border-radius:50%;
  border:2.5px solid var(--green); position:relative; flex:none;
}
.logo-fallback .mark::after{
  content:""; position:absolute; inset:0; margin:auto;
  width:11px; height:11px; border-radius:50%; background:var(--accent);
}
.logo-fallback .name{
  font-family:var(--serif); font-size:1.5rem; font-weight:600;
  color:var(--green-dark); letter-spacing:.01em;
}
.brand img{ width:auto; height:46px; }   /* cuando se suba un logo real */
.nav{ display:flex; align-items:center; gap:30px; }
.nav a{ font-weight:600; font-size:.97rem; color:var(--ink); }
.nav a:hover{ color:var(--accent-dark); }
.nav-cta{ display:flex; align-items:center; gap:12px; }
.header-phone{ display:flex; align-items:center; gap:8px; font-weight:700; color:var(--green-dark); white-space:nowrap; }
.menu-toggle{ display:none; background:none; border:0; cursor:pointer; padding:6px; }
.menu-toggle span{ display:block; width:24px; height:2.5px; background:var(--ink); border-radius:2px; margin:5px 0; }

/* ---------- Hero ---------- */
.hero{ background:var(--cream); position:relative; overflow:hidden; }
.hero .wrap{
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
  padding-top:var(--section-pad); padding-bottom:var(--section-pad);
}
.hero-copy h1{
  font-family:var(--serif); font-weight:600; color:var(--green-dark);
  font-size:clamp(2.6rem, 5vw, 4rem); line-height:1.02; letter-spacing:-.015em;
  margin:.5rem 0 0;
}
.hero-copy .lede{
  font-size:1.18rem; color:var(--ink); opacity:.92; margin-top:1.1rem; max-width:38ch;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:1.8rem; align-items:center; }
.hero-note{ font-size:.92rem; font-weight:600; letter-spacing:.01em; color:var(--ink); }
.hero-note mark{
  background:var(--hl-green); color:var(--ink);
  font-weight:800; text-transform:uppercase; letter-spacing:.04em;
  padding:.08em .34em; border-radius:4px;
  -webkit-box-decoration-break:clone; box-decoration-break:clone;
}
.hero-media img{
  width:100%; height:clamp(340px, 42vw, 520px);
  object-fit:cover; border-radius:20px;
}

/* ---------- Trust strip ---------- */
.trust{ background:var(--green); color:var(--cream); }
.trust .wrap{
  display:grid; grid-template-columns:repeat(3,1fr); gap:36px; padding:44px 24px;
}
.trust-item{ display:flex; gap:14px; align-items:flex-start; }
.trust-item .ico{
  flex:none; width:40px; height:40px; border-radius:50%;
  display:grid; place-items:center; background:rgba(255,255,255,.12); color:var(--accent-soft);
}
.trust-item .ico svg{ width:21px; height:21px; }
.trust-item h3{ font-family:var(--serif); font-weight:600; font-size:1.18rem; margin:.1rem 0 .25rem; color:#fff; }
.trust-item p{ margin:0; font-size:.95rem; color:#E5E9DD; opacity:.92; line-height:1.5; }

/* ---------- Servicios ---------- */
.servicios{ background:var(--surface); }
.section-head{ max-width:640px; }
.section-head h2{
  font-family:var(--serif); font-weight:600; color:var(--green-dark);
  font-size:clamp(2rem, 3.4vw, 2.8rem); line-height:1.06; letter-spacing:-.01em;
  margin:.6rem 0 0;
}
.section-head p{ font-size:1.08rem; color:var(--muted); margin-top:.8rem; }
.servicio-grid{
  display:grid; grid-template-columns:repeat(2, 1fr); gap:28px; margin-top:48px;
}
.servicio{
  background:var(--cream); border:1px solid var(--border);
  border-radius:calc(var(--radius) + 6px); overflow:hidden; display:flex; flex-direction:column;
}
.servicio img{ width:100%; height:230px; object-fit:cover; }
.servicio-body{ padding:26px 28px 30px; display:flex; flex-direction:column; flex:1; }
.servicio-body h3{
  font-family:var(--serif); font-weight:600; font-size:1.5rem; color:var(--green-dark); margin:0;
}
.servicio-body p{ color:var(--ink); opacity:.9; margin:.7rem 0 1.1rem; font-size:1rem; }
.servicio-body ul{ margin:0 0 1.4rem; padding:0; list-style:none; display:grid; gap:.55rem; }
.servicio-body li{ display:flex; gap:.6rem; align-items:flex-start; font-size:.96rem; color:var(--ink); }
.servicio-body li::before{
  content:""; flex:none; width:18px; height:18px; margin-top:2px; border-radius:50%;
  background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C45C22' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}
.servicio-body .btn{ margin-top:auto; align-self:flex-start; }

/* ---------- Proceso ---------- */
.proceso{ background:var(--surface); }
.proceso-steps{
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:48px;
}
.paso{
  background:var(--cream); border:1px solid var(--border);
  border-radius:calc(var(--radius) + 4px); padding:28px 26px 30px;
  display:flex; flex-direction:column;
}
.paso .num{
  font-family:var(--serif); font-weight:600; font-size:1.35rem; line-height:1;
  flex:none; width:46px; height:46px; border-radius:50%;
  display:grid; place-items:center;
  background:var(--green); color:#fff; margin-bottom:1rem;
}
.paso h3{ font-family:var(--serif); font-weight:600; font-size:1.28rem; color:var(--green-dark); margin:0 0 .45rem; }
.paso p{ margin:0; font-size:.98rem; color:var(--ink); opacity:.9; line-height:1.55; }

/* ---------- Contacto ---------- */
.contacto{ background:var(--cream); }
.contacto-grid{
  display:grid; grid-template-columns:.85fr 1.15fr; gap:0;
  border:1px solid var(--border); border-radius:calc(var(--radius) + 8px); overflow:hidden;
  margin-top:48px; box-shadow:0 24px 60px -34px rgba(36,30,21,.4);
}
.contacto-info{ background:var(--green); color:var(--cream); padding:46px 42px; }
.contacto-info h3{ font-family:var(--serif); font-weight:600; font-size:1.7rem; color:#fff; margin:.4rem 0 0; }
.contacto-info p{ color:#E5E9DD; opacity:.92; margin:.8rem 0 0; font-size:1rem; }
.contact-rows{ margin-top:30px; display:grid; gap:18px; }
.contact-row{ display:flex; gap:14px; align-items:center; }
.contact-row .ico{
  flex:none; width:42px; height:42px; border-radius:12px; display:grid; place-items:center;
  background:rgba(255,255,255,.12); color:var(--accent-soft);
}
.contact-row .ico svg{ width:20px; height:20px; }
.contact-row .label{ font-size:.74rem; letter-spacing:.12em; text-transform:uppercase; color:var(--accent-soft); font-weight:700; }
.contact-row .value{ font-size:1.06rem; font-weight:600; color:#fff; }
.contact-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:32px; }

.contacto-form{ background:var(--surface); padding:46px 42px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:.82rem; font-weight:700; color:var(--green-dark); margin-bottom:7px; letter-spacing:.02em; }
.field input, .field textarea{
  width:100%; font-family:var(--sans); font-size:1rem; color:var(--ink);
  padding:13px 15px; border:1.5px solid var(--border); border-radius:var(--radius);
  background:#fff; transition:border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field textarea:focus{
  outline:none; border-color:var(--green);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--green) 18%, transparent);
}
.field textarea{ resize:vertical; min-height:110px; }
/* Honeypot anti-spam — oculto para humanos, visible para bots */
.hp-field{ position:absolute; left:-5000px; width:1px; height:1px; overflow:hidden; }
.hint-below{
  margin:8px 0 0; display:flex; gap:.5em; align-items:flex-start;
  font-size:.82rem; color:var(--muted); line-height:1.5;
}
.hint-below svg{ width:14px; height:14px; flex:none; margin-top:.15em; stroke:var(--green-700); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-foot{ display:flex; align-items:center; gap:16px; margin-top:8px; flex-wrap:wrap; }
.form-msg{ font-size:.9rem; font-weight:600; opacity:0; transition:opacity .25s ease; }
.form-msg.show{ opacity:1; }
.form-msg.ok{ color:var(--green-dark); }
.form-msg.error{ color:var(--accent-dark); }
.btn[aria-busy="true"]{ opacity:.7; cursor:progress; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--ink); color:#E9E2D4; }
.site-footer .wrap{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding:56px 24px 40px; }
.site-footer .name{ font-family:var(--serif); font-size:1.5rem; color:#fff; font-weight:600; }
.site-footer p{ font-size:.92rem; color:#BDB4A2; line-height:1.6; margin:.8rem 0 0; max-width:34ch; }
.site-footer h4{ font-size:.76rem; letter-spacing:.14em; text-transform:uppercase; color:var(--accent-soft); margin:0 0 14px; }
.site-footer ul{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
.site-footer a{ color:#D7CEBE; font-size:.95rem; }
.site-footer a:hover{ color:#fff; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.1); }
.footer-bottom .wrap{ display:flex; justify-content:space-between; padding:18px 24px; font-size:.84rem; color:#9C9483; }

/* ---------- Floating WhatsApp ---------- */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:50;
  width:60px; height:60px; border-radius:50%; background:#1FA855;
  display:grid; place-items:center; color:#fff;
  box-shadow:0 14px 30px -8px rgba(31,168,85,.6); transition:transform .15s ease;
}
.wa-float:hover{ transform:scale(1.06); }
.wa-float svg{ width:32px; height:32px; }

/* ---------- Mobile menu ---------- */
.mobile-nav{ display:none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px){
  .hero .wrap{ grid-template-columns:1fr; gap:36px; }
  .hero-media img{ height:clamp(280px,55vw,420px); }
  .servicio-grid{ grid-template-columns:1fr; }
  .proceso-steps{ grid-template-columns:1fr; }
  .contacto-grid{ grid-template-columns:1fr; }
  .trust .wrap{ grid-template-columns:1fr; gap:24px; }
  .site-footer .wrap{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 680px){
  :root{ --section-pad:60px; }
  .nav, .header-phone{ display:none; }
  .menu-toggle{ display:block; }
  .mobile-nav.open{
    display:flex; flex-direction:column; gap:4px;
    position:fixed; inset:74px 0 auto 0; z-index:39;
    background:var(--surface); border-bottom:1px solid var(--border); padding:14px 24px 22px;
  }
  .mobile-nav a{ padding:12px 4px; font-weight:600; border-bottom:1px solid var(--border); }
  .mobile-nav .btn{ margin-top:12px; justify-content:center; }
  .form-row{ grid-template-columns:1fr; }
  .site-footer .wrap{ grid-template-columns:1fr; gap:30px; }
  .footer-bottom .wrap{ flex-direction:column; gap:8px; text-align:center; }
  .contacto-info, .contacto-form{ padding:34px 26px; }
}

/* Respeta usuarios que prefieren menos movimiento */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; }
}