/* ============================================================
   ZUMAJU METAL — sitio comercial
   Paleta: petróleo + cobre · Tipos: Jost / Fraunces / Inter
   ============================================================ */

:root{
  --petrol-deep:#0B2D3B; --petrol:#0E384A; --petrol-800:#0A2733;
  --copper:#C0824E; --copper-soft:#D69A63;
  --slate:#7C97A3; --slate-lt:#A9BCC4;
  --paper:#F3F5F6; --mist:#E9EEF0; --ink:#152A34;
  --line:rgba(124,151,163,.22);
  --display:'Jost',system-ui,sans-serif;
  --serif:'Fraunces',Georgia,serif;
  --body:'Inter',system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

html{scroll-behavior:smooth}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:var(--body);color:var(--paper);background:var(--petrol);
  line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--copper);color:#fff}
section[id],header[id]{scroll-margin-top:76px}

/* grano fílmico sutil sobre todo el sitio */
body::after{content:"";position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.045;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--copper);outline-offset:3px;border-radius:4px}

.wrap{max-width:none;margin:0;padding:0 clamp(24px,5vw,80px)}
.eyebrow{font-family:var(--display);font-weight:500;text-transform:uppercase;letter-spacing:.28em;font-size:.72rem;color:var(--copper-soft)}
.h-sec{font-family:var(--display);font-weight:500;font-size:clamp(1.9rem,4vw,3rem);line-height:1.06;letter-spacing:-.01em;text-wrap:balance}
.em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--copper-soft)}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;padding:18px clamp(24px,5vw,80px);transition:background .4s var(--ease),padding .4s var(--ease),box-shadow .4s var(--ease)}
.nav.solid{background:rgba(10,39,51,.92);backdrop-filter:blur(10px);padding:12px clamp(24px,5vw,80px);box-shadow:0 1px 0 var(--line)}
.brand{font-family:var(--display);font-size:1.28rem;letter-spacing:.18em;font-weight:300;color:var(--paper)}
.brand b{font-weight:600}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-family:var(--display);font-weight:400;font-size:.9rem;letter-spacing:.02em;color:var(--paper);transition:color .25s;position:relative;text-shadow:0 1px 8px rgba(10,39,51,.45)}
.nav-links a:hover{color:var(--copper-soft)}
.nav-links a.active{color:var(--copper-soft)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--copper);color:#fff;padding:9px 18px;border-radius:100px;font-family:var(--display);font-weight:500;font-size:.9rem;letter-spacing:.01em;transition:transform .25s var(--ease),background .25s,box-shadow .25s}
.nav-cta:hover{background:var(--copper-soft);transform:translateY(-1px);box-shadow:0 10px 26px -12px rgba(192,130,78,.6)}
.nav-cta svg{width:16px;height:16px;fill:#fff}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--paper);transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-scrim{position:fixed;inset:0;background:rgba(7,26,34,.62);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .4s var(--ease)}
.nav-scrim.open{opacity:1;pointer-events:auto}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:grid;place-items:center;overflow:hidden;isolation:isolate;background:radial-gradient(120% 120% at 80% 0%,#12475d 0%,var(--petrol) 45%,var(--petrol-deep) 100%)}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.hero-scrim{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,45,59,.38) 0%,rgba(10,39,51,.12) 34%,rgba(10,39,51,.5) 78%,var(--petrol-deep) 100%),linear-gradient(90deg,rgba(10,39,51,.88) 0%,rgba(10,39,51,.42) 40%,rgba(10,39,51,.02) 72%)}
.scroll-cue{position:absolute;left:50%;bottom:104px;transform:translateX(-50%);z-index:2;width:26px;height:42px;border:1.5px solid var(--slate-lt);border-radius:100px;opacity:.5}
.scroll-cue::before{content:"";position:absolute;left:50%;top:9px;width:3px;height:8px;border-radius:3px;background:var(--copper-soft);transform:translateX(-50%);animation:zscroll 1.8s var(--ease) infinite}
@keyframes zscroll{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}70%{opacity:1}100%{opacity:0;transform:translate(-50%,12px)}}
.hero .wrap{position:relative;z-index:2;width:100%;max-width:none;margin:0;padding:118px clamp(24px,5vw,80px) 150px;text-align:left}
.hero-eyebrow{margin-bottom:22px;display:inline-flex;align-items:center;gap:12px}
.hero-eyebrow::before{content:"";width:34px;height:1px;background:var(--copper)}
.hero h1{font-family:var(--display);font-weight:300;font-size:clamp(2.7rem,6.6vw,5.4rem);line-height:.98;letter-spacing:-.022em;max-width:17ch;text-wrap:balance}
.hero h1 b{font-weight:600}
.hero p.sub{margin-top:26px;max-width:46ch;color:var(--paper);font-size:clamp(1rem,1.6vw,1.18rem);line-height:1.6;text-shadow:0 1px 12px rgba(10,39,51,.5)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:100px;font-family:var(--display);font-weight:500;font-size:1rem;letter-spacing:.01em;transition:transform .25s var(--ease),background .25s,border-color .25s,color .25s,box-shadow .25s;cursor:pointer;border:1px solid transparent}
.btn svg{width:18px;height:18px}
.btn-wa{background:var(--copper);color:#fff}
.btn-wa svg{fill:#fff}
.btn-wa:hover{background:var(--copper-soft);transform:translateY(-2px);box-shadow:0 14px 34px -14px rgba(192,130,78,.6)}
.btn-ghost{background:transparent;color:var(--paper);border-color:var(--line)}
.btn-ghost svg{fill:var(--paper)}
.btn-ghost:hover{border-color:var(--slate-lt);transform:translateY(-2px);background:rgba(255,255,255,.05)}

/* entrada escalonada del hero */
.hero-eyebrow,.hero h1,.hero p.sub,.hero-cta{animation:zup .9s var(--ease) both}
.hero h1{animation-delay:.12s}
.hero p.sub{animation-delay:.26s}
.hero-cta{animation-delay:.4s}
.strip{animation:zin 1s var(--ease) .6s both}
@keyframes zup{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes zin{from{opacity:0}to{opacity:1}}

.strip{position:absolute;left:0;right:0;bottom:0;z-index:2;border-top:1px solid var(--line);background:rgba(10,39,51,.55);backdrop-filter:blur(8px)}
.strip .wrap{display:flex;flex-wrap:wrap;gap:8px 40px;padding:20px 26px;justify-content:center}
.strip span{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-size:.9rem;letter-spacing:.04em;color:var(--paper)}
.strip span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--copper)}

/* ---------- secciones ---------- */
.sec{padding:clamp(70px,10vw,120px) 0;position:relative}
.sec-head{max-width:60ch;margin-bottom:52px}
.sec-head .h-sec{margin-top:16px}
.sec-head p{margin-top:16px;color:var(--slate-lt);max-width:52ch}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center p{margin-left:auto;margin-right:auto}
.toggle.center{display:flex;width:fit-content;margin-left:auto;margin-right:auto}

.toggle{display:inline-flex;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:100px;padding:5px;margin-bottom:40px}
.toggle button{font-family:var(--display);font-weight:500;font-size:.95rem;letter-spacing:.02em;padding:10px 24px;border-radius:100px;border:0;background:none;color:var(--slate-lt);cursor:pointer;transition:color .3s,background .3s}
.toggle button.on{background:var(--paper);color:var(--petrol-deep)}
.panel{display:none}
.panel.on{display:block;animation:zfade .5s var(--ease)}
@keyframes zfade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* materiales */
.mat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mat{position:relative;border:1px solid var(--line);border-radius:16px;padding:24px 22px;background:rgba(255,255,255,.015);transition:border-color .3s,transform .3s var(--ease),background .3s,box-shadow .3s}
.mat:hover{border-color:var(--copper);transform:translateY(-4px);background:rgba(192,130,78,.05);box-shadow:0 18px 44px -22px rgba(192,130,78,.4)}
.mat-idx{position:absolute;top:18px;right:20px;font-family:var(--serif);font-style:italic;font-size:.98rem;color:rgba(214,154,99,.4);transition:color .3s}
.mat:hover .mat-idx{color:var(--copper-soft)}
.mat .ico{width:40px;height:40px;margin-bottom:16px;color:var(--copper-soft);transition:color .3s}
.mat:hover .ico{color:var(--copper)}
.mat .ico svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.mat h4{font-family:var(--display);font-weight:500;font-size:1.18rem;margin-bottom:6px}
.mat p{font-size:.88rem;color:var(--slate-lt);line-height:1.5}

.sell{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;border:1px solid var(--line);border-radius:20px;padding:clamp(30px,5vw,56px);background:linear-gradient(135deg,rgba(255,255,255,.02),transparent)}
.sell h3{font-family:var(--display);font-weight:400;font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.15;margin-bottom:18px}
.sell p{color:var(--slate-lt);margin-bottom:14px}
.sell ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.sell li{display:flex;gap:12px;align-items:flex-start;font-size:.98rem}
.sell li svg{width:20px;height:20px;flex:none;margin-top:2px;fill:var(--copper)}

/* sección clara */
.light{background:var(--paper);color:var(--ink);border-top:1px solid rgba(192,130,78,.45);border-bottom:1px solid rgba(192,130,78,.45)}
/* cómo funciona: sección oscura, la foto manda, contenido en vidrio */
#como{isolation:isolate;overflow:hidden;padding:clamp(110px,14vw,190px) 0;border-top:1px solid rgba(192,130,78,.45);border-bottom:1px solid rgba(192,130,78,.45)}
#como::before{content:"";position:absolute;inset:0;z-index:-2;background:url(/como.webp) center 60%/cover no-repeat}
#como::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,45,59,.94) 0%,rgba(11,45,59,.52) 26%,rgba(10,39,51,.42) 62%,rgba(10,39,51,.92) 100%)}
#como .sec-head{margin-bottom:64px}
#como .steps{gap:20px}
#como .step{overflow:hidden;background:rgba(10,39,51,.66);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:16px;padding:34px 26px 28px;box-shadow:0 24px 50px -28px rgba(0,0,0,.5)}
#como .step .bar{top:0;left:0;width:100%;height:3px}
#como .step::before{color:var(--copper-soft)}
#como .step h4{color:var(--paper)}
#como .step p{color:var(--slate-lt)}
#como .cc-note{background:rgba(10,39,51,.7);backdrop-filter:blur(10px);border:1px solid var(--line);color:var(--paper)}
.light .eyebrow{color:var(--copper)}
.light .em{color:var(--copper)}
.light .sec-head p{color:#4a616b}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:s}
.step{position:relative;padding-top:30px}
.step::before{content:counter(s,decimal-leading-zero);counter-increment:s;font-family:var(--serif);font-size:2.4rem;color:var(--copper);font-weight:500;display:block;margin-bottom:14px;line-height:1}
.step .bar{position:absolute;top:0;left:0;width:46px;height:3px;background:var(--copper)}
.step h4{font-family:var(--display);font-weight:500;font-size:1.35rem;margin-bottom:10px;color:var(--ink)}
.step p{color:#4a616b;font-size:.98rem}
.cc-note{margin-top:44px;padding:18px 24px;border-radius:14px;background:rgba(14,56,74,.05);border:1px solid rgba(14,56,74,.12);display:flex;align-items:center;gap:14px;font-size:.96rem;color:var(--petrol)}
.cc-note svg{width:24px;height:24px;flex:none;fill:var(--copper)}

/* retiro en fábricas */
.retiro{background:linear-gradient(135deg,var(--petrol-800),var(--petrol) 70%);border-top:1px solid rgba(192,130,78,.45);border-bottom:1px solid rgba(192,130,78,.45);overflow:hidden}
.retiro::before{content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(192,130,78,.15),transparent 70%);pointer-events:none}
.retiro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(40px,6vw,80px);align-items:center;position:relative}
.retiro-p{margin-top:18px;color:var(--slate-lt);max-width:56ch}
.retiro-list{list-style:none;margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}
.retiro-list li{display:flex;gap:10px;align-items:flex-start;font-size:.96rem;color:var(--paper)}
.retiro-list li::before{content:"";width:15px;height:15px;flex:none;margin-top:4px;background:var(--copper);clip-path:polygon(14% 44%,0 60%,40% 100%,100% 16%,84% 2%,40% 70%)}
.retiro-card{border:1px solid var(--line);border-radius:20px;padding:clamp(26px,4vw,40px);background:rgba(255,255,255,.03)}
.retiro-card h3{font-family:var(--display);font-weight:500;font-size:1.4rem;margin-bottom:8px}
.retiro-card p{color:var(--slate-lt);font-size:.95rem;margin-bottom:22px}
.retiro-card .btn{width:100%;justify-content:center}
.retiro-card .btn+.btn{margin-top:12px}

/* 1975 / nosotros */
.why{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(40px,6vw,80px);align-items:center;max-width:1180px;margin:0 auto}
.why-year{font-family:var(--serif);font-weight:500;font-size:clamp(5rem,15vw,11rem);line-height:.86;color:var(--paper)}
.why-year small{display:block;font-family:var(--display);font-weight:400;font-size:.9rem;letter-spacing:.24em;text-transform:uppercase;color:var(--copper-soft);margin-top:20px}
.why-quote{font-family:var(--serif);font-style:italic;font-size:clamp(1.3rem,2.4vw,1.7rem);line-height:1.4;color:var(--paper);margin-bottom:34px;max-width:26ch}
.why-list{display:grid;grid-template-columns:1fr 1fr;gap:26px 30px}
.why-item h5{font-family:var(--display);font-weight:500;font-size:1.08rem;margin-bottom:6px;display:flex;align-items:center;gap:9px}
.why-item h5 svg{width:18px;height:18px;fill:var(--copper)}
.why-item p{color:var(--slate-lt);font-size:.92rem}

/* ubicación */
.loc{display:grid;grid-template-columns:1fr 1.1fr;gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.loc-info{padding:clamp(30px,4vw,50px);background:rgba(255,255,255,.02)}
.loc-info .row{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.loc-info .row:last-child{border-bottom:0}
.loc-info .row svg{width:22px;height:22px;flex:none;fill:none;stroke:var(--copper-soft);stroke-width:1.5;margin-top:2px}
.loc-info .row .lbl{font-family:var(--display);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:3px}
.loc-info .row .val{font-size:1rem;color:var(--paper)}
.loc-info .row .val a{color:var(--copper-soft)}
.loc-map{min-height:340px;background:var(--petrol-800)}
.loc-map iframe{width:100%;height:100%;min-height:340px;border:0;filter:grayscale(.35) contrast(.95) brightness(.9)}

/* contacto: imagen de planta con velo petróleo */
#contacto{isolation:isolate;overflow:hidden}
#contacto::before{content:"";position:absolute;inset:0;z-index:-2;background:url(/contacto.webp) center/cover no-repeat}
#contacto::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--petrol) 0%,rgba(11,45,59,.88) 16%,rgba(11,45,59,.84) 84%,rgba(10,39,51,.96) 100%)}

.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,72px);align-items:start}
.contact-side .h-sec{margin:16px 0 20px}
.contact-side p{color:var(--slate-lt);max-width:40ch;margin-bottom:32px}
.contact-direct{display:flex;flex-direction:column;gap:14px}
.cd{display:flex;align-items:center;gap:16px;padding:16px 20px;border:1px solid var(--line);border-radius:14px;transition:border-color .3s,background .3s,box-shadow .3s}
.cd:hover{border-color:var(--copper);background:rgba(192,130,78,.05);box-shadow:0 14px 36px -20px rgba(192,130,78,.45)}
.cd .ci{width:42px;height:42px;border-radius:11px;flex:none;display:grid;place-items:center;background:rgba(192,130,78,.12)}
.cd .ci svg{width:20px;height:20px;fill:var(--copper-soft)}
.cd .lbl{font-family:var(--display);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate)}
.cd .val{font-size:1.05rem;color:var(--paper)}

.quote{border:1px solid var(--line);border-radius:20px;padding:clamp(26px,4vw,40px);background:rgba(255,255,255,.02)}
.quote h3{font-family:var(--display);font-weight:500;font-size:1.4rem;margin-bottom:6px}
.quote .qsub{color:var(--slate-lt);font-size:.92rem;margin-bottom:26px}
.field{margin-bottom:20px}
.field label{display:block;font-family:var(--display);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate);margin-bottom:9px}
.seg{display:flex;gap:8px}
.seg button{flex:1;padding:12px;border-radius:11px;border:1px solid var(--line);background:none;color:var(--slate-lt);font-family:var(--display);font-weight:500;font-size:.95rem;cursor:pointer;transition:.25s}
.seg button.on{background:var(--copper);border-color:var(--copper);color:#fff}
select,input[type=text],textarea{width:100%;padding:14px 16px;border-radius:11px;border:1px solid var(--line);background:rgba(11,45,59,.6);color:var(--paper);font-family:var(--body);font-size:1rem;appearance:none;transition:border-color .25s}
select:focus,input:focus,textarea:focus{outline:none;border-color:var(--copper)}
textarea{resize:vertical;min-height:86px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.field.sel{position:relative}
.field.sel::after{content:"";position:absolute;right:18px;bottom:20px;width:8px;height:8px;border-right:2px solid var(--slate-lt);border-bottom:2px solid var(--slate-lt);transform:rotate(45deg);pointer-events:none}
.quote .btn-wa{width:100%;justify-content:center;margin-top:8px}
.quote .btn-mail{width:100%;justify-content:center;margin-top:12px;background:none;border-color:var(--line);color:var(--paper)}
.quote .btn-mail:hover{border-color:var(--copper);color:var(--copper-soft);transform:translateY(-2px)}
.quote .btn-mail svg{width:18px;height:18px}
.quote .btn-mail[disabled]{opacity:.55;pointer-events:none}
.fstatus{display:none;margin-top:14px;font-size:.92rem;line-height:1.5}
.fstatus.ok{display:block;color:#8fd9ae}
.fstatus.err{display:block;color:#e8a0a0}

/* ---------- footer ---------- */
footer{background:var(--petrol-800);border-top:1px solid rgba(192,130,78,.45);padding:clamp(54px,7vw,84px) 0 36px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:clamp(32px,5vw,64px);padding-bottom:46px;border-bottom:1px solid var(--line)}
.foot-brand .brand{font-size:1.5rem}
.foot-brand .tag{font-family:var(--serif);font-style:italic;color:var(--slate-lt);margin:10px 0 24px;font-size:1.02rem;max-width:24ch}
.foot-wa{padding:12px 20px;font-size:.92rem}
.foot-col h5{font-family:var(--display);font-weight:500;font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--copper-soft);margin:0 0 14px}
.foot-col a{display:block;font-family:var(--body);font-size:.93rem;color:var(--slate-lt);padding:5px 0;transition:color .25s}
.foot-col a:hover{color:var(--paper)}
.foot-col p{font-size:.93rem;color:var(--slate-lt);margin:0 0 14px;line-height:1.6}
.foot-bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:26px;font-size:.85rem;color:var(--slate)}
.foot-credit{margin-top:24px;text-align:center;font-size:.78rem;color:var(--slate)}
.foot-credit a{font-family:var(--display);font-weight:500;letter-spacing:.14em;color:var(--slate-lt);transition:color .25s}
.foot-credit a:hover{color:var(--copper-soft)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.02);margin-bottom:12px;overflow:hidden;transition:border-color .3s}
.faq details[open],.faq details:hover{border-color:rgba(192,130,78,.5)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-family:var(--display);font-weight:500;font-size:1.06rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--serif);font-size:1.5rem;color:var(--copper-soft);line-height:1;flex:none;transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 24px 20px;color:var(--slate-lt);max-width:70ch}
.faq details p a{color:var(--copper-soft)}

/* ---------- páginas de aterrizaje ---------- */
.page-hero{padding:150px 0 70px;background:radial-gradient(120% 140% at 80% 0%,#12475d 0%,var(--petrol) 48%,var(--petrol-deep) 100%);border-bottom:1px solid rgba(192,130,78,.45)}
.page-hero .crumbs{font-family:var(--display);font-size:.8rem;letter-spacing:.06em;color:var(--slate-lt);margin-bottom:18px}
.page-hero .crumbs a{color:var(--copper-soft)}
.page-hero h1{font-family:var(--display);font-weight:300;font-size:clamp(2.2rem,5vw,3.8rem);line-height:1.02;letter-spacing:-.02em;max-width:24ch;text-wrap:balance}
.page-hero h1 b{font-weight:600}
.page-hero .lead{margin-top:20px;max-width:58ch;color:var(--slate-lt);font-size:clamp(1rem,1.5vw,1.14rem);line-height:1.65}
.page-hero .hero-cta{margin-top:30px}
.lp{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(40px,6vw,80px);align-items:start}
.prose h2{font-family:var(--display);font-weight:500;font-size:clamp(1.4rem,2.6vw,1.9rem);margin:38px 0 14px}
.prose h2:first-child{margin-top:0}
.prose p{color:var(--slate-lt);margin-bottom:14px;max-width:64ch}
.prose ul{list-style:none;margin:6px 0 20px;display:flex;flex-direction:column;gap:10px}
.prose li{display:flex;gap:10px;align-items:flex-start;color:var(--paper)}
.prose li::before{content:"";width:14px;height:14px;flex:none;margin-top:5px;background:var(--copper);clip-path:polygon(14% 44%,0 60%,40% 100%,100% 16%,84% 2%,40% 70%)}
.prose a{color:var(--copper-soft)}
.lp-aside{position:sticky;top:96px}
.lp-links{margin-top:22px;border:1px solid var(--line);border-radius:16px;padding:22px}
.lp-links h4{font-family:var(--display);font-weight:500;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:10px}
.lp-links a{display:block;padding:9px 0;color:var(--paper);border-bottom:1px solid var(--line);font-size:.95rem;transition:color .25s}
.lp-links a:last-child{border-bottom:0}
.lp-links a:hover{color:var(--copper-soft)}
/* tabla de tipos (precio-del-cobre) */
.ptable-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;margin:18px 0 12px;background:rgba(255,255,255,.02)}
.ptable{width:100%;border-collapse:collapse;font-size:.93rem;min-width:600px}
.ptable th{font-family:var(--display);font-weight:500;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);text-align:left;padding:14px 18px;border-bottom:1px solid var(--line)}
.ptable td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--slate-lt);vertical-align:top;line-height:1.5}
.ptable tr:last-child td{border-bottom:0}
.ptable td b{color:var(--paper);font-weight:600}
.ptable td a{color:var(--copper-soft);white-space:nowrap;font-weight:500}
.ptable tbody tr{transition:background .25s}
.ptable tbody tr:hover{background:rgba(192,130,78,.06)}
.ptable-note{font-size:.9rem}
.faq-lp{max-width:none;margin:0}
/* reveal on scroll */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .mat-grid{grid-template-columns:repeat(2,1fr)}
  .sell,.why,.loc,.contact,.retiro-grid,.lp{grid-template-columns:1fr}
  .lp-aside{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
  .retiro-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:14px}
  .why-year{font-size:clamp(5rem,26vw,9rem)}
}
@media(max-width:720px){
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(80vw,320px);flex-direction:column;justify-content:center;gap:24px;padding:40px;background:var(--petrol-800);transform:translateX(100%);transition:transform .4s var(--ease);align-items:flex-start}
  .nav-links.open{transform:none}
  .nav-links a{font-size:1.15rem}
  .burger{display:flex;z-index:70}
  .why-list{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero-eyebrow,.hero h1,.hero p.sub,.hero-cta,.strip{animation:none!important}
  .rv{opacity:1;transform:none;transition:none}
}