/* Grupo Araucaria — landing
   Paleta: pehuén (verde araucaria), cordillera (nieve fría), teja (techos del sector), tinta */
:root{
  --pehuen:#12301F;
  --pehuen-2:#1D4A32;
  --cordillera:#E9EFEC;
  --nieve:#F9FBFA;
  --tinta:#0E1A14;
  --teja:#B4472B;
  --teja-hover:#9C3B22;
  --muted:#4A5C53;

  --ease-out:cubic-bezier(0.23,1,0.32,1);
  --ease-in-out:cubic-bezier(0.77,0,0.175,1);

  --font-display:"Big Shoulders Display","Arial Narrow",sans-serif;
  --font-body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;

  --gutter:clamp(16px,4vw,40px);
  --maxw:1240px;
  --radius:18px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cordillera);color:var(--tinta);font:400 1.0625rem/1.6 var(--font-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--teja);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:10px 14px;z-index:100;border-radius:8px}
.skip:focus{left:8px}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}

.h2{font-family:var(--font-display);font-weight:800;font-size:clamp(2.2rem,5.2vw,4rem);line-height:.98;letter-spacing:-.005em;max-width:20ch;text-wrap:balance}
.h2.on-dark{color:#fff}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;font:600 1rem/1 var(--font-body);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform 160ms var(--ease-out),background-color 160ms ease,color 160ms ease,border-color 160ms ease}
.btn:active{transform:scale(.97)}
.btn-sm{min-height:40px;padding:0 18px;font-size:.95rem}
.btn-block{width:100%}
.btn-accent{background:var(--teja);color:#fff}
.btn-solid{background:var(--pehuen);color:#fff}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5);backdrop-filter:blur(6px)}
@media (hover:hover) and (pointer:fine){
  .btn-accent:hover{background:var(--teja-hover)}
  .btn-solid:hover{background:var(--pehuen-2)}
  .btn-ghost:hover{background:#fff;color:var(--pehuen)}
}

/* ---------- Header ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;gap:24px;padding:12px var(--gutter);color:#fff;transition:background-color 200ms ease,box-shadow 200ms ease}
.site-header.is-scrolled{background:rgba(18,48,31,.94);backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto}
.brand-tree{width:34px;height:34px;color:#fff;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text strong{font:800 1.45rem/1 var(--font-display);letter-spacing:.06em}
.brand-text small{font-size:.72rem;opacity:.85;margin-top:3px}
.nav{display:none;gap:26px}
.nav a{text-decoration:none;font-weight:500;font-size:.98rem;opacity:.9;transition:opacity 150ms ease}
@media (hover:hover){.nav a:hover{opacity:1;text-decoration:underline;text-underline-offset:6px}}
@media (min-width:900px){.nav{display:flex}}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--pehuen)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.08);animation:hero-settle 1800ms var(--ease-out) .1s forwards}
.hero-shade{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(10,26,17,.55) 0%,rgba(10,26,17,0) 28%),
  linear-gradient(0deg,rgba(10,26,17,.92) 0%,rgba(10,26,17,.55) 42%,rgba(10,26,17,.05) 80%)}
.hero-inner{position:relative;width:100%;max-width:var(--maxw);margin-inline:auto;padding:130px var(--gutter) clamp(48px,9vh,96px)}
.hero-title{font-family:var(--font-display);font-weight:900;font-size:clamp(3.2rem,10.5vw,8.6rem);line-height:.9;letter-spacing:-.01em}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.06em}
.hero-title .line>span{display:block;transform:translateY(105%);animation:line-up 900ms var(--ease-out) forwards}
.hero-title .line:nth-child(1)>span{animation-delay:.15s}
.hero-title .line:nth-child(2)>span{animation-delay:.27s}
.hero-title .line:nth-child(3)>span{animation-delay:.39s}
.hero-sub{max-width:52ch;margin-top:clamp(20px,3vh,32px);font-size:clamp(1.05rem,1.6vw,1.25rem);color:rgba(255,255,255,.92);opacity:0;animation:soft-in 700ms var(--ease-out) .85s forwards}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;opacity:0;animation:soft-in 700ms var(--ease-out) 1s forwards}
@keyframes line-up{to{transform:none}}
@keyframes hero-settle{to{transform:scale(1)}}
@keyframes soft-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* Sello giratorio */
.seal{position:absolute;right:var(--gutter);top:96px;width:clamp(112px,16vw,188px);aspect-ratio:1;border-radius:50%;background:rgba(18,48,31,.78);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.28);display:grid;place-items:center;color:#fff;text-decoration:none;opacity:0;animation:soft-in 700ms var(--ease-out) 1.2s forwards;transition:transform 200ms var(--ease-out)}
.seal:active{transform:scale(.97)}
.seal-ring{position:absolute;inset:0;width:100%;height:100%;animation:spin 38s linear infinite}
.seal-ring text{font:600 12.5px var(--font-body);letter-spacing:.14em;fill:#fff}
.seal-core{width:34%;aspect-ratio:1;display:block}
.seal-core svg{width:100%;height:100%}
@keyframes spin{to{transform:rotate(360deg)}}
@media (max-width:640px){.seal{top:auto;bottom:calc(var(--wave-h) + 92px);width:92px}}

/* ---------- Registro ---------- */
.registro{background:var(--nieve);padding:clamp(56px,9vw,112px) 0}
.registro-grid{display:grid;gap:28px}
.registro-copy{display:grid;gap:14px;max-width:56ch;color:var(--muted);font-size:1.1rem}
.registro-copy strong{color:var(--tinta)}
@media (min-width:880px){.registro-grid{grid-template-columns:1.1fr 1fr;align-items:end;gap:72px}}

/* ---------- Tarjetas con imagen de fondo ---------- */
.card{position:relative;isolation:isolate;overflow:hidden;border-radius:var(--radius);color:#fff;min-height:320px;display:flex;align-items:flex-end;background:var(--pehuen)}
.card>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 700ms var(--ease-out)}
.card::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(9,24,16,.92) 0%,rgba(9,24,16,.62) 45%,rgba(9,24,16,.12) 100%);transition:opacity 300ms ease}
.card-body{padding:clamp(20px,2.4vw,32px);width:100%}
.card h3{font-family:var(--font-display);font-weight:800;font-size:clamp(1.7rem,2.6vw,2.3rem);line-height:1;letter-spacing:.005em}
.card p{margin-top:10px;max-width:46ch;color:rgba(255,255,255,.92);font-size:1rem}
.card ul{margin-top:14px;display:grid;gap:6px;font-size:.96rem}
.card li{position:relative;padding-left:20px;color:rgba(255,255,255,.9)}
.card li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--teja);background:#E0805F}
.card:active{transform:scale(.995)}
@media (hover:hover) and (pointer:fine){
  .card:hover>img{transform:scale(1.05)}
}

/* Revelado de imágenes (clip-path) al entrar en pantalla */
.js .reveal>img{clip-path:inset(0 0 100% 0);transition:clip-path 900ms var(--ease-in-out),transform 700ms var(--ease-out)}
.js .reveal .card-body{opacity:0;transform:translateY(8px);transition:opacity 500ms ease 350ms,transform 500ms var(--ease-out) 350ms}
.js .reveal.is-in>img{clip-path:inset(0 0 0 0)}
.js .reveal.is-in .card-body{opacity:1;transform:none}

/* ---------- Servicios (bento) ---------- */
.servicios{background:var(--cordillera);padding:clamp(56px,9vw,112px) 0}
.bento{display:grid;gap:14px;margin-top:clamp(28px,4vw,48px);grid-template-columns:1fr}
.bento .card{min-height:340px}
@media (min-width:760px){
  .bento{grid-template-columns:repeat(12,1fr);gap:16px}
  .c-a{grid-column:span 7;min-height:440px}
  .c-b{grid-column:span 5}
  .c-c{grid-column:span 5}
  .c-d{grid-column:span 7;min-height:400px}
  .c-e{grid-column:span 6}
  .c-f{grid-column:span 6}
}

/* ---------- Experiencia ---------- */
.exp{background:var(--pehuen);color:#fff;padding:clamp(56px,9vw,112px) 0}
.exp-head{display:grid;gap:22px}
.exp-lede{max-width:52ch;color:rgba(255,255,255,.82);font-size:1.12rem}
.stats{display:flex;gap:clamp(28px,6vw,72px);margin-top:10px}
.stats dd{font:900 clamp(4rem,10vw,7.5rem)/.85 var(--font-display);color:#fff;font-variant-numeric:tabular-nums}
.stats dt{margin-top:8px;color:rgba(255,255,255,.75);font-size:.95rem;max-width:14ch}
.stats>div{display:flex;flex-direction:column-reverse}
@media (min-width:880px){.exp-head{grid-template-columns:1.2fr 1fr;align-items:end;column-gap:72px}.exp-head .stats{grid-column:2;grid-row:1 / span 2}}

.route{position:relative;margin-top:clamp(40px,6vw,72px);display:grid;gap:18px;padding-left:calc(var(--gutter) + 34px)}
.route-line{position:absolute;left:calc(var(--gutter) + 9px);top:14px;bottom:14px;width:2px;background:rgba(255,255,255,.18)}
.route-line i{position:absolute;inset:0;background:#E0805F;transform-origin:top;transform:scaleY(0)}
.stop{position:relative}
.stop-dot{position:absolute;left:-34px;top:26px;width:20px;height:20px;border-radius:50%;background:var(--pehuen);border:3px solid #E0805F}
.stop-dot.is-live{background:#E0805F;box-shadow:0 0 0 0 rgba(224,128,95,.6);animation:ping 2.2s var(--ease-out) infinite}
@keyframes ping{70%{box-shadow:0 0 0 14px rgba(224,128,95,0)}100%{box-shadow:0 0 0 0 rgba(224,128,95,0)}}
.card-wide{min-height:230px}
.card-wide .card-body{max-width:640px}
.live{display:inline-block;margin-bottom:10px;padding:5px 12px;border-radius:999px;background:#E0805F;color:#2a0f06;font-weight:600;font-size:.85rem}
.photo-note{margin-top:28px;color:rgba(255,255,255,.55);font-size:.88rem}

/* ---------- Rigor ---------- */
.rigor{background:var(--nieve);padding:clamp(56px,9vw,112px) 0}
.rigor-grid{display:grid;gap:36px}
.rigor-card{min-height:440px}
.rigor-copy{display:grid;gap:20px;align-content:center}
.rigor-copy>p{color:var(--muted);max-width:56ch;font-size:1.1rem}
.rigor-points{display:grid;gap:14px;max-width:56ch}
.rigor-points li{padding-left:18px;border-left:3px solid var(--teja)}
.rigor-points strong{color:var(--pehuen)}
@media (min-width:900px){.rigor-grid{grid-template-columns:1fr 1.05fr;gap:72px;align-items:stretch}.rigor-card{min-height:560px}}

/* ---------- Proceso ---------- */
.proceso{background:var(--cordillera);padding:clamp(56px,9vw,112px) 0}
.steps{display:grid;gap:14px;margin-top:clamp(28px,4vw,48px);grid-template-columns:1fr}
.step{min-height:300px}
.step-n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#E0805F;color:#2a0f06;font-weight:600;margin-bottom:12px}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}.step{min-height:380px}}

/* ---------- FAQ ---------- */
.faq{background:var(--nieve);padding:clamp(56px,9vw,112px) 0}
.faq-grid{display:grid;gap:36px}
.acc{display:grid;border-top:1px solid #C9D5CF}
.acc-item{border-bottom:1px solid #C9D5CF}
.acc h3{font:inherit}
.acc button{width:100%;text-align:left;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px 0;background:none;border:0;font:600 1.12rem/1.35 var(--font-body);color:var(--tinta);cursor:pointer;min-height:56px}
.acc button::after{content:"";flex:none;width:12px;height:12px;border-right:2px solid var(--teja);border-bottom:2px solid var(--teja);transform:rotate(45deg);transition:transform 250ms var(--ease-out)}
.acc button[aria-expanded="true"]::after{transform:rotate(-135deg)}
.acc-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows 300ms var(--ease-out)}
.acc-panel>div{overflow:hidden}
.acc-panel p{padding-bottom:22px;color:var(--muted);max-width:60ch}
.acc button[aria-expanded="true"]+*{}
.acc-item.is-open .acc-panel{grid-template-rows:1fr}
@media (min-width:900px){.faq-grid{grid-template-columns:1fr 1.2fr;gap:72px;align-items:start}}

/* ---------- Contacto ---------- */
.contacto{position:relative;isolation:isolate;color:#fff;padding:clamp(56px,9vw,112px) 0;overflow:hidden;background:var(--pehuen)}
.contacto-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.contacto-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(9,24,16,.94) 0%,rgba(9,24,16,.8) 55%,rgba(9,24,16,.55) 100%)}
.contacto-grid{display:grid;gap:36px}
.contacto-copy{display:grid;gap:18px;align-content:start}
.contacto-copy>p{color:rgba(255,255,255,.88);font-size:1.12rem;max-width:44ch}
.contact-list{display:grid;gap:8px;font-size:1.05rem}
.contact-list a{text-underline-offset:4px}
.form{background:rgba(249,251,250,.97);color:var(--tinta);border-radius:var(--radius);padding:clamp(20px,3vw,32px);display:grid;gap:14px}
.form label{display:grid;gap:6px;font-weight:500;font-size:.95rem}
.form input,.form textarea{font:400 1rem/1.4 var(--font-body);padding:12px 14px;min-height:48px;border:1.5px solid #B7C6BE;border-radius:12px;background:#fff;color:var(--tinta);transition:border-color 150ms ease,box-shadow 150ms ease}
.form textarea{resize:vertical}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--pehuen-2);box-shadow:0 0 0 3px rgba(29,74,50,.2)}
.form .row{display:grid;gap:14px}
.form-error{color:#9C2A12;font-weight:500;font-size:.95rem}
.form-note{font-size:.85rem;color:var(--muted);text-align:center}
@media (min-width:560px){.form .row{grid-template-columns:1fr 1fr}}
@media (min-width:920px){.contacto-grid{grid-template-columns:1fr 1fr;gap:72px;align-items:center}}

/* ---------- Footer ---------- */
.footer{background:var(--tinta);color:rgba(255,255,255,.8);padding:44px 0 90px;font-size:.95rem}
.footer-grid{display:grid;gap:22px;align-items:center}
.footer-seal{width:96px;height:96px;filter:invert(1);mix-blend-mode:screen;border-radius:50%}
.footer-legal{opacity:.7;max-width:46ch}
@media (min-width:760px){.footer-grid{grid-template-columns:auto 1fr 1fr;gap:36px}}

/* ---------- WhatsApp flotante ---------- */
.wa{position:fixed;right:16px;bottom:16px;z-index:60;width:56px;height:56px;border-radius:50%;background:#1FA855;display:grid;place-items:center;color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.28);transition:transform 160ms var(--ease-out)}
.wa svg{width:30px;height:30px;fill:currentColor}
.wa:active{transform:scale(.94)}
@media (hover:hover) and (pointer:fine){.wa:hover{transform:scale(1.06)}}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero-img{animation:none;transform:none}
  .hero-title .line>span{animation:none;transform:none}
  .hero-sub,.hero-cta,.seal{animation:none;opacity:1}
  .seal-ring,.stop-dot.is-live{animation:none}
  .js .reveal>img{clip-path:none;transition:none}
  .js .reveal .card-body{opacity:1;transform:none;transition:none}
  .route-line i{transform:scaleY(1)!important}
  .card>img,.acc-panel{transition:none}
}

/* ---------- Olas animadas entre secciones ---------- */
:root{--wave-h:clamp(48px,8vw,124px)}
.has-wave{position:relative}
.wave{position:absolute;left:0;width:100%;height:var(--wave-h);overflow:hidden;pointer-events:none;z-index:3;line-height:0}
.wave.is-bottom{bottom:-1px}
.wave.is-top{top:-1px;transform:scaleY(-1)}
.wave svg{position:absolute;left:0;bottom:0;width:200%;height:100%;fill:currentColor;will-change:transform;animation:wave-move var(--d,16s) linear infinite}
.wave svg.rev{animation-direction:reverse}
.wave svg:nth-child(1){opacity:.22}
.wave svg:nth-child(2){opacity:.5}
@keyframes wave-move{to{transform:translateX(-50%)}}
.wave-b:not(.hero){padding-bottom:calc(clamp(56px,9vw,112px) + var(--wave-h))}
.wave-t{padding-top:calc(clamp(56px,9vw,112px) + var(--wave-h))}
.hero.wave-b .hero-inner{padding-bottom:calc(clamp(48px,9vh,96px) + var(--wave-h))}
@media (prefers-reduced-motion:reduce){.wave svg{animation:none}}

/* Regiones (reemplaza las cifras) */
.regions{display:grid;gap:0;align-content:end}
.regions li{font:900 clamp(2.4rem,6.4vw,4.6rem)/1 var(--font-display);color:#fff;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.2)}
.regions li:first-child{border-top:1px solid rgba(255,255,255,.2)}
@media (min-width:880px){.exp-head .regions{grid-column:2;grid-row:1 / span 2}}

/* Tarjetas pequeñas de diversidad */
.mini-grid{display:grid;gap:14px;margin-top:clamp(32px,5vw,56px);grid-template-columns:1fr}
.mini{min-height:240px}
.mini h3{font-size:clamp(1.5rem,2.2vw,1.9rem)}
@media (min-width:600px){.mini-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.mini-grid{grid-template-columns:repeat(4,1fr)}.mini{min-height:300px}}