/* ==========================================================
   AQUAARON — secciones posteriores (parte 2)
   Proceso · Zonas · Contacto · FAQ · Footer
   ========================================================== */

/* ---------- PROCESO: una tubería que se llena ---------- */
.flow{list-style:none;margin:0;padding:70px 0 0;position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;--p:1}
.flow__pipe{position:absolute;left:0;right:0;top:22px;height:18px;border-radius:9px;border:3px solid var(--copper);background:#08141d;overflow:hidden}
.flow__water{position:absolute;inset:0;background:repeating-linear-gradient(90deg,var(--water) 0 22px,#86dff4 22px 30px);transform-origin:left center;transform:scaleX(var(--p));animation:stripe 1.2s linear infinite}
@keyframes stripe{to{background-position:30px 0}}
.step{position:relative;display:grid;gap:.55rem;align-content:start;padding-top:22px}
.step__node{position:absolute;top:-61px;left:0;width:44px;height:44px;border-radius:50%;background:var(--ink);border:3px solid var(--copper);display:grid;place-items:center;font-family:var(--f-mono);font-weight:500;color:var(--cal);transition:background .4s,border-color .4s,color .4s,box-shadow .4s,transform .5s var(--ease)}
.step.is-on .step__node{background:var(--water);border-color:var(--water);color:var(--ink);box-shadow:0 0 0 8px rgba(60,200,234,.18);transform:scale(1.08)}
.step h3{font-size:clamp(1.3rem,2vw,1.6rem)}
.step p{color:var(--muted-light);max-width:32ch}
.flow__cta{margin-top:clamp(36px,5vw,64px);display:flex}
@media (max-width:860px){
  .flow{grid-template-columns:1fr;padding:0 0 0 72px;gap:38px}
  .flow__pipe{left:20px;right:auto;top:0;bottom:0;width:18px;height:auto}
  .flow__water{transform-origin:center top;transform:scaleY(var(--p));background:repeating-linear-gradient(180deg,var(--water) 0 22px,#86dff4 22px 30px);animation-name:stripeV}
  .step{padding-top:0}
  .step__node{top:0;left:-65px}
}
@keyframes stripeV{to{background-position:0 30px}}

/* ---------- ZONAS ---------- */
.zonas{display:grid;grid-template-columns:.95fr 1.15fr;gap:clamp(24px,5vw,72px);align-items:center}
.zonas .sec__head{margin-bottom:0;justify-items:start}
.prov{display:flex;flex-wrap:wrap;gap:.5rem}
.prov button{border:1.5px solid rgba(11,28,40,.25);background:transparent;padding:.55em 1.05em;border-radius:99px;font-weight:600;color:var(--ink);transition:background .25s,color .25s,transform .3s var(--ease)}
.prov button:hover,.prov button.is-on{background:var(--ink);color:var(--cal);transform:translateY(-2px)}
.map{background:var(--ink);border-radius:30px;padding:clamp(10px,2vw,26px);box-shadow:0 40px 80px -40px rgba(11,28,40,.6);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:34px 34px;background-position:center}
.map svg{width:100%;height:auto}
.map use{fill:none;stroke-linecap:round;stroke-linejoin:round}
.zp-out use{stroke:#d0793a;stroke-width:13}.zp-in use{stroke:#0b1c28;stroke-width:7.5}
.zp-flow use{stroke:#3cc8ea;stroke-width:3;stroke-dasharray:3 15;animation:flow 1.4s linear infinite}
.zn g{cursor:pointer}
.zn circle{fill:#0b1c28;stroke:var(--water);stroke-width:3.5;transition:fill .3s,stroke .3s,transform .4s var(--ease);transform-box:fill-box;transform-origin:center}
.zn text{fill:var(--cal);font:500 13px var(--f-mono);letter-spacing:.06em;transition:fill .3s;pointer-events:none}
.zn g:hover circle,.zn g.is-on circle{fill:var(--spark);stroke:var(--spark);transform:scale(1.45)}
.zn g:hover text,.zn g.is-on text{fill:var(--spark)}
.sea{fill:rgba(245,239,228,.3);font:400 11px var(--f-mono);letter-spacing:.24em}

/* ---------- CONTACTO ---------- */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,80px);align-items:start}
.contact__intro{display:grid;gap:1.1rem}
.ways{display:grid;gap:12px;margin-top:1.2rem}
.ways a{display:flex;align-items:center;gap:1rem;padding:1rem 1.2rem;border:1px solid var(--line);border-radius:18px;text-decoration:none;background:rgba(245,239,228,.04);transition:transform .35s var(--ease),border-color .3s,background .3s}
.ways a:hover{transform:translateX(6px);border-color:var(--spark);background:rgba(255,194,60,.07)}
.ways svg{width:28px;height:28px;color:var(--spark);flex:none}
.ways span{display:grid;font-family:var(--f-display);font-size:1.3rem;font-weight:600;letter-spacing:-.02em;line-height:1.2}
.ways small{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--water);font-weight:400}
.form{background:var(--cal);color:var(--ink);border-radius:30px;padding:clamp(20px,3vw,38px);display:grid;gap:16px;box-shadow:0 40px 90px -40px rgba(0,0,0,.7)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fld{display:grid;gap:.4rem;font-weight:700;font-size:.9rem;align-content:start}
.fld input,.fld select,.fld textarea{font:inherit;font-weight:500;padding:.85em 1em;border-radius:14px;border:2px solid rgba(11,28,40,.16);background:#fff;color:var(--ink);width:100%;transition:border-color .2s,box-shadow .2s;appearance:none;-webkit-appearance:none}
.fld select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' fill='none'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%230b1c28' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1em center;padding-right:2.6em}
.fld textarea{resize:vertical;min-height:110px}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--water-deep);box-shadow:0 0 0 4px rgba(15,134,173,.18)}
.fld.is-bad input,.fld.is-bad select{border-color:#d43b22;box-shadow:0 0 0 4px rgba(212,59,34,.12)}
.err{color:#c2381f;font-style:normal;font-size:.82rem;font-weight:600}
.err:empty{display:none}
.seg{border:0;padding:0;margin:0;display:grid;gap:.5rem}
.seg legend{font-weight:700;font-size:.9rem;padding:0;margin-bottom:.5rem}
.seg__opts{display:flex;flex-wrap:wrap;gap:.5rem}
.seg label{position:relative}
.seg input{position:absolute;opacity:0;inset:0}
.seg span{display:inline-block;padding:.6em 1.1em;border-radius:99px;border:2px solid rgba(11,28,40,.2);font-weight:600;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.seg input:checked+span{background:var(--ink);color:var(--cal);border-color:var(--ink)}
.seg input:focus-visible+span{outline:3px solid var(--spark);outline-offset:2px}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.92rem;font-weight:500;line-height:1.4}
.check input{width:20px;height:20px;accent-color:var(--ink);margin:.1em 0 0;flex:none}
.check a{text-decoration:underline}
.form__actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:.3rem}
.form .btn[data-via="wa"]{--bg:var(--ink);--fg:var(--cal)}
.form .btn--ghost{--bg:transparent;--fg:var(--ink);border-color:rgba(11,28,40,.35)}
.form .btn--ghost::before{background:var(--ink)}
.form .btn--ghost:hover{color:var(--cal);border-color:var(--ink)}
.form .btn[data-via="wa"]:hover{color:var(--ink)}
.form__ok{background:rgba(94,224,164,.22);border:1px solid #2fbf80;padding:.9rem 1.1rem;border-radius:14px;font-weight:600;margin:0}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(24px,5vw,80px);align-items:start}
.faq .sec__head{margin-bottom:0;position:sticky;top:calc(var(--nav-h) + 30px)}
.faq__list details{border-top:2px solid var(--ink)}
.faq__list details:last-child{border-bottom:2px solid var(--ink)}
.faq__list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem 0;font-family:var(--f-display);font-weight:600;font-size:clamp(1.15rem,1.9vw,1.5rem);letter-spacing:-.02em;line-height:1.2}
.faq__list summary::-webkit-details-marker{display:none}
.faq__list summary i{position:relative;flex:none;width:34px;height:34px;border-radius:50%;border:2px solid var(--ink);transition:transform .5s var(--ease),background .3s}
.faq__list summary i::before,.faq__list summary i::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;background:var(--ink);transform:translate(-50%,-50%);transition:transform .4s var(--ease),background .3s}
.faq__list summary i::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq__list details[open] summary i{background:var(--spark);transform:rotate(180deg)}
.faq__list details[open] summary i::after{transform:translate(-50%,-50%) rotate(0)}
.faq__list summary:hover i{background:var(--spark)}
.faq__list details>div{padding:0 3.2rem 1.4rem 0;color:var(--muted-dark);animation:faqIn .5s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ---------- FOOTER ---------- */
.foot{background:var(--ink);color:var(--text-light);padding:clamp(60px,9vw,120px) 0 26px;position:relative;overflow:hidden}
.foot__cta{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;padding-bottom:clamp(36px,5vw,64px);border-bottom:1px solid var(--line)}
.foot__cta h2{font-size:clamp(2.4rem,6vw,5rem)}
.foot__btns{display:flex;flex-wrap:wrap;gap:.7rem}
.foot__cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-block:clamp(32px,5vw,56px)}
.foot__cols h3{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--water);font-weight:400;margin-bottom:.8rem}
.foot__cols a{display:block;text-decoration:none;padding:.22em 0;color:var(--muted-light);transition:color .2s,transform .3s var(--ease)}
.foot__cols a:hover{color:var(--spark);transform:translateX(4px)}
.foot__cols .logo{color:var(--cal);margin-bottom:1rem;display:inline-flex}
.foot__cols p{color:var(--muted-light);max-width:34ch;font-size:.98rem}
.wordmark{width:100%;height:auto;margin-block:12px 20px}
.wm-wave{animation:wave 7s linear infinite}
.wm-wave--b{animation-duration:11s;animation-direction:reverse}
@keyframes wave{to{transform:translateX(300px)}}
.foot__legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.85rem;color:var(--muted-light);padding-top:20px;border-top:1px solid var(--line)}
.foot__legal strong{color:var(--cal);font-weight:600}
.foot__legal a{text-decoration:underline;text-underline-offset:3px}

/* ---------- Responsive (parte 2) ---------- */
@media (max-width:960px){
  .zonas,.contact,.faq{grid-template-columns:1fr}
  .faq .sec__head{position:static}
  .foot__cols{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .zn text{font-size:21px}
  .sea{font-size:14px}
  .form__row{grid-template-columns:1fr}
  .form__actions .btn{width:100%}
  .foot__cols{grid-template-columns:1fr}
  .faq__list details>div{padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  .wm-wave,.flow__water,.zp-flow use,.pan.is-on,.faq__list details>div{animation:none}
}