/* ====================================================================
   αIAt — Landing Page styles (extends alfaiate-brand.css)
   ==================================================================== */
:root{--rail:0px}

/* ---- nav ---- */
.lnav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px clamp(24px,6vw,64px);transition:background .3s,border-color .3s,padding .3s}
.lnav__logo{display:flex;align-items:center;flex:0 0 auto}
.lnav__logo img{height:24px;width:auto}
.lnav__logo .lg-light{display:none}
.lnav__links{display:flex;gap:40px;font-family:var(--font-m);font-size:12.5px;letter-spacing:.04em;color:rgba(246,243,237,.75)}
.lnav__links a{position:relative;padding-bottom:5px;transition:color .2s}
.lnav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;background:var(--grad);transition:right .3s cubic-bezier(.4,0,.2,1)}
.lnav__links a:hover,.lnav__links a.active{color:#fff}
.lnav__links a:hover::after,.lnav__links a.active::after{right:0}
.lnav__right{display:flex;align-items:center;gap:18px}
.lnav__burger{display:none;flex-direction:column;gap:4px;background:none;border:0;padding:8px;cursor:pointer}
.lnav__burger span{width:18px;height:1.5px;background:var(--cream);border-radius:1px;transition:transform .25s,opacity .25s,background .25s}
.lnav__burger.open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.lnav__burger.open span:nth-child(2){opacity:0}
.lnav__burger.open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.lnav.scrolled{background:rgba(247,245,241,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.lnav.scrolled .lnav__logo .lg-dark{display:none}
.lnav.scrolled .lnav__logo .lg-light{display:block}
.lnav.scrolled .lnav__links{color:var(--muted)}
.lnav.scrolled .lnav__links a:hover,.lnav.scrolled .lnav__links a.active{color:var(--ink)}
.lnav.scrolled .lnav__burger span{background:var(--ink)}
.lnav__mobile{position:fixed;top:0;left:0;right:0;z-index:45;background:var(--obsidian);color:var(--cream);padding:100px 28px 40px;display:flex;flex-direction:column;gap:22px;font-family:var(--font-m);font-size:15px;letter-spacing:.02em;transform:translateY(-100%);transition:transform .35s ease;max-height:100vh;overflow:auto}
.lnav__mobile.open{transform:translateY(0)}
.lnav__mobile a{color:rgba(246,243,237,.85)}
.lnav__mobile .btn{align-self:flex-start;margin-top:6px}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-d);font-weight:600;font-size:.96rem;padding:13px 26px;border-radius:30px;cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .2s;white-space:nowrap}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 16px 32px -16px rgba(184,62,198,.55)}
.btn--primary:hover{transform:translateY(-2px)}
.lnav .btn--primary{padding:10px 20px;font-size:.85rem}
.btn--ghost{color:var(--cream);border-color:rgba(246,243,237,.35)}
.btn--ghost:hover{border-color:rgba(246,243,237,.7)}

/* ---- hero ---- */
.lhero{position:relative;overflow:hidden;min-height:96vh;display:flex;flex-direction:column;justify-content:center;padding-top:110px}
.lhero__kicker-line{width:30px;height:1px;background:rgba(246,243,237,.5)}
.lhero__kicker{display:block;margin-top:16px;font-family:var(--font-m);font-size:clamp(11px,1.25vw,13px);font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);max-width:38ch;line-height:1.6}
.lhero h1{font-family:var(--font-d);font-weight:800;letter-spacing:-.03em;line-height:1.05;font-size:clamp(2.5rem,5.6vw,4.5rem);max-width:17ch;margin-top:.5em}
.lhero__cta{display:flex;gap:16px;flex-wrap:wrap;align-items:center}

/* ---- compare ---- */
.compare{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.compare>div{padding:clamp(30px,3.6vw,48px)}
.compare__generic{background:var(--card)}
.compare__bespoke{background:var(--obsidian)}
.compare__tag{font-family:var(--font-m);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.compare__bespoke .compare__tag{color:var(--muted-2)}
.compare__name{font-family:var(--font-d);font-weight:800;font-size:1.7rem;letter-spacing:-.02em;margin-top:.3em}
.compare__bespoke .compare__name{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.compare ul{list-style:none;margin-top:28px;display:flex;flex-direction:column;gap:22px}
.compare li{padding-left:26px;position:relative;font-size:.98rem;line-height:1.55;color:var(--ink-2)}
.compare li::before{content:"×";position:absolute;left:0;top:-1px;color:var(--muted-2);font-weight:600;font-size:1.1em}
.compare__bespoke li{color:rgba(246,243,237,.82)}
.compare__bespoke li::before{content:"—";color:var(--g2)}

/* ---- flow diagram ---- */
.flow{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:32px}
.flow__chips{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.flow__chips.out{align-items:flex-end}
.chip{font-family:var(--font-m);font-size:12.5px;letter-spacing:.02em;color:var(--ink-2);background:var(--card);border:1px solid var(--line);border-radius:20px;padding:9px 18px;white-space:nowrap}
.flow__core{width:104px;height:104px;border-radius:50%;background:var(--obsidian);display:grid;place-items:center;position:relative;margin:0 auto}
.flow__core img{width:42%}
.flow__core::before,.flow__core::after{content:"";position:absolute;top:50%;height:2px;background:var(--grad);width:44px;transform:translateY(-1px)}
.flow__core::before{right:100%}
.flow__core::after{left:100%}
@media(max-width:880px){
  .flow{grid-template-columns:1fr;justify-items:center;text-align:center}
  .flow__chips,.flow__chips.out{align-items:center}
  .flow__core::before,.flow__core::after{display:none}
  .flow__core{margin:10px auto}
}

/* ---- diagnostic (problema) ---- */
.diag{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(36px,6vw,90px);align-items:start}
.diag__intro{position:sticky;top:110px}
.diag__list{position:relative}
.diag__list::before{content:"";position:absolute;left:28px;top:34px;bottom:34px;width:2px;background:linear-gradient(180deg,var(--g0),var(--g1) 34%,var(--g2) 64%,var(--g3));opacity:.35}
.diag__row{display:flex;gap:26px;align-items:flex-start;position:relative;padding:30px 16px;margin:0 -16px;border-radius:16px;border-bottom:1px solid var(--line);transition:background .25s}
.diag__row:hover{background:rgba(31,41,55,.03)}
.diag__icon{width:56px;height:56px;border-radius:16px;background:var(--paper-2);border:1px solid var(--line);display:grid;place-items:center;position:relative;z-index:2;flex:0 0 auto;overflow:visible;transition:background .25s,border-color .25s}
.diag__row:hover .diag__icon{background:var(--card);border-color:var(--line-2)}
.diag__icon svg{width:26px;height:26px;overflow:visible}
.diag__body h4{font-family:var(--font-d);font-weight:700;font-size:1.2rem;letter-spacing:-.01em}
.diag__body p{margin-top:7px;color:var(--ink-2);font-size:.98rem;max-width:52ch;line-height:1.6}
.diag__resolve{display:flex;gap:22px;align-items:center;position:relative;margin-top:26px;background:var(--obsidian);color:var(--cream);border-radius:18px;padding:28px clamp(22px,3vw,34px)}
.diag__resolve .diag__icon{background:var(--grad);border-color:transparent;animation:diagHalo 2.6s ease-in-out infinite}
.diag__resolve .diag__icon img{width:24px}
.diag__resolve-tag{font-family:var(--font-m);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.diag__resolve p{margin-top:6px;font-size:1.05rem;color:rgba(246,243,237,.9);max-width:56ch}
.diag__row.reveal:nth-child(2){transition-delay:.08s}
.diag__row.reveal:nth-child(3){transition-delay:.16s}
.diag-ghost{animation:diagGhost 3.2s ease-in-out infinite}
.diag-ping{animation:diagPing 2.2s ease-in-out infinite}
.diag-ring{animation:diagRing 2s ease-out infinite}
.diag-ring--b{animation-delay:.9s}
@keyframes diagGhost{0%,100%{transform:translate(0,0);opacity:.55}50%{transform:translate(1.5px,-1.5px);opacity:.95}}
@keyframes diagPing{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.4);opacity:.45}}
@keyframes diagRing{0%{transform:scale(1);opacity:.8}100%{transform:scale(3.2);opacity:0}}
@keyframes diagHalo{0%,100%{box-shadow:0 0 0 0 rgba(184,62,198,.4)}50%{box-shadow:0 0 0 9px rgba(184,62,198,0)}}
@media(max-width:880px){
  .diag{grid-template-columns:1fr}
  .diag__intro{position:static}
  .diag__resolve{flex-direction:column;text-align:center}
}

/* ---- scroll-driven process ---- */
.scrollproc{display:grid;grid-template-columns:200px 1fr;gap:56px;align-items:start}
.scrollproc__rail{position:sticky;top:130px;display:flex;flex-direction:column;gap:26px;padding-left:18px}
.scrollproc__rail-line{position:absolute;left:0;top:4px;bottom:4px;width:2px;background:var(--line-2);border-radius:2px}
.scrollproc__rail-fill{width:100%;height:0%;background:var(--grad);border-radius:2px;transition:height .1s linear}
.scrollproc__step{display:flex;flex-direction:column;gap:4px;align-items:flex-start;background:none;border:0;cursor:pointer;text-align:left;padding:0;opacity:.4;transition:opacity .3s}
.scrollproc__step.active{opacity:1}
.scrollproc__num{font-family:var(--font-m);font-size:11px;letter-spacing:.1em;color:var(--muted)}
.scrollproc__label{font-family:var(--font-d);font-weight:700;font-size:1.15rem;letter-spacing:-.01em;color:var(--ink)}
.scrollproc__track{position:relative;height:300vh}
.scrollproc__sticky{position:sticky;top:96px;display:grid;border:1px solid var(--line);border-radius:20px;background:var(--card)}
.scrollproc__panel{position:relative;grid-row:1;grid-column:1;display:flex;flex-direction:column;justify-content:flex-start;padding:clamp(30px,4vw,64px);opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;pointer-events:none;overflow:hidden}
.scrollproc__panel.active{opacity:1;transform:translateY(0);pointer-events:auto}
.scrollproc__bignum{position:absolute;top:20px;right:32px;font-family:var(--font-d);font-weight:800;font-size:clamp(3rem,7vw,6rem);color:var(--paper-2);letter-spacing:-.03em;z-index:0}
.scrollproc__icon{position:relative;z-index:1;margin-bottom:26px}
.scrollproc__icon svg{width:110px;height:auto;overflow:visible}
.scrollproc__panel h3{position:relative;z-index:1;font-family:var(--font-d);font-weight:800;font-size:clamp(1.8rem,3.2vw,2.6rem);letter-spacing:-.02em}
.scrollproc__panel h4{position:relative;z-index:1;font-family:var(--font-m);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:8px}
.scrollproc__panel p{position:relative;z-index:1;margin-top:12px;font-size:1.1rem;color:var(--ink-2);max-width:52ch}
.scrollproc__panel p:first-of-type{margin-top:14px}
.proc-svg--cortar .blade-a{transform-origin:24px 24px;animation:svcSwingA 2.6s ease-in-out infinite}
.proc-svg--cortar .blade-b{transform-origin:24px 24px;animation:svcSwingB 2.6s ease-in-out infinite}
.proc-scan{animation:procScan 2.6s ease-in-out infinite}
.proc-knob{animation:procKnob 2.6s ease-in-out infinite}
@keyframes procScan{0%,100%{transform:translateX(0)}50%{transform:translateX(56px)}}
@keyframes procKnob{0%,100%{transform:translateX(0)}50%{transform:translateX(24px)}}
@media(max-width:880px){
  .scrollproc{grid-template-columns:1fr}
  .scrollproc__rail{position:static;flex-direction:row;gap:20px;padding-left:0;top:auto}
  .scrollproc__rail-line{display:none}
  /* the pinned scroll-jack relies on a tall track + sticky viewport-height card;
     on narrow screens that traps overflowing text behind the pin with no way to
     scroll to it, so below this width we drop the pin and stack panels normally */
  .scrollproc__track{height:auto}
  .scrollproc__sticky{position:static;display:flex;flex-direction:column;gap:20px;border:0;background:none;border-radius:0}
  .scrollproc__panel,.scrollproc__panel.active{position:static;opacity:1;transform:none;pointer-events:auto;overflow:visible;border:1px solid var(--line);border-radius:20px;background:var(--card);padding:clamp(24px,6vw,40px)}
}

/* ---- service tabs ---- */
/* on desktop the tab switch is driven by scroll (like the "como trabalhamos"
   process): .svc-tabs__track reserves scroll distance, .svc-tabs__sticky pins
   the nav+stage while JS advances the active tab per scroll fraction */
.svc-tabs__track{position:relative;height:400vh}
.svc-tabs__sticky{position:sticky;top:96px}
.svc-tabs__nav{position:relative;display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line)}
.svc-tabs__btn{position:relative;z-index:1;background:none;border:0;cursor:pointer;padding:17px 4px;margin-right:34px;font-family:var(--font-d);font-weight:600;font-size:1.02rem;letter-spacing:-.005em;color:var(--muted);transition:color .3s}
.svc-tabs__btn:last-child{margin-right:0}
.svc-tabs__btn:hover{color:var(--ink-2)}
.svc-tabs__btn.active{color:var(--ink)}
.svc-tabs__indicator{position:absolute;bottom:-1px;height:2px;background:var(--acc);border-radius:2px;transition:left .4s cubic-bezier(.4,0,.2,1),width .4s cubic-bezier(.4,0,.2,1),background .3s}
.svc-tabs__stage{position:relative;margin-top:48px;display:grid}
.svc-tabs__panel{position:relative;grid-row:1;grid-column:1;display:grid;grid-template-columns:auto 1fr;gap:clamp(32px,4.4vw,64px);align-items:center;opacity:0;transform:translateY(14px);transition:opacity .45s ease,transform .45s ease;pointer-events:none}
.svc-tabs__panel.active{opacity:1;transform:translateY(0);pointer-events:auto}
.svc-tabs__icon{width:118px;height:118px;border-radius:28px;background:color-mix(in oklab,var(--acc) 10%,var(--paper-2));border:1px solid var(--line);display:grid;place-items:center;flex:0 0 auto;transition:background .3s}
.svc-tabs__icon svg{width:52px;height:52px;overflow:visible}
.svc-svg--corte .blade-a{transform-origin:24px 24px;animation:svcSwingA 2.6s ease-in-out infinite}
.svc-svg--corte .blade-b{transform-origin:24px 24px;animation:svcSwingB 2.6s ease-in-out infinite}
.svc-svg--ponto .stitch-path,.svc-svg--agente .thread-loop{animation:svcDash 2.4s linear infinite}
.svc-svg--forro .layer-back{animation:svcLayer 3s ease-in-out infinite}
.svc-svg--padrao .scan-line{animation:svcScan 3.2s ease-in-out infinite}
@keyframes svcSwingA{0%,100%{transform:rotate(0deg)}50%{transform:rotate(8deg)}}
@keyframes svcSwingB{0%,100%{transform:rotate(0deg)}50%{transform:rotate(-8deg)}}
@keyframes svcDash{to{stroke-dashoffset:-16}}
@keyframes svcLayer{0%,100%{opacity:.4}50%{opacity:.95}}
@keyframes svcScan{0%{transform:translateY(0);opacity:.15}12%{opacity:.9}88%{opacity:.9}100%{transform:translateY(30px);opacity:.15}}
.svc-tabs__body h3{font-family:var(--font-d);font-weight:800;font-size:clamp(1.6rem,2.6vw,2.1rem);letter-spacing:-.02em}
.svc-tabs__body p{margin-top:14px;font-size:1.05rem;color:var(--ink-2);max-width:56ch;line-height:1.6}
.svc-tabs__body ul{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:11px}
.svc-tabs__body li{padding-left:22px;position:relative;font-size:.95rem;color:var(--ink-2)}
.svc-tabs__body li::before{content:"→";position:absolute;left:0;color:var(--acc)}
@media(max-width:880px){
  /* too narrow for a tab row to stay usable (wraps to multiple lines or
     leaves an orphan tab) — drop the tabs (and the desktop scroll-jack that
     drives them) and show every service as a normal sequential list instead */
  .svc-tabs__track{height:auto}
  .svc-tabs__sticky{position:static}
  .svc-tabs__nav{display:none}
  .svc-tabs__stage{position:static;min-height:auto;display:flex;flex-direction:column;gap:40px}
  .svc-tabs__panel,.svc-tabs__panel.active{position:static;grid-template-columns:1fr;text-align:center;opacity:1;transform:none;pointer-events:auto;padding-bottom:40px;border-bottom:1px solid var(--line)}
  .svc-tabs__panel:last-child{padding-bottom:0;border-bottom:0}
  .svc-tabs__icon{margin:0 auto}
  .svc-tabs__body li{padding-left:0}
  .svc-tabs__body li::before{display:none}
}

/* ---- stacked cards (resultados) ---- */
.stack{position:relative}
.stack__item{height:74vh}
.stack__item:last-child{height:auto}
.stack__card{position:sticky;top:calc(120px + var(--i) * 26px);width:100%;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:clamp(32px,4.4vw,58px);box-shadow:0 30px 70px -34px rgba(31,41,55,.28);z-index:calc(1 + var(--i));transition:transform .1s linear,opacity .1s linear;will-change:transform,opacity}
.stack__card::before{content:"";position:absolute;top:0;left:28px;right:28px;height:3px;border-radius:0 0 3px 3px;background:var(--grad)}
.stack__top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}
.stack__idx{font-family:var(--font-m);font-size:12px;letter-spacing:.1em;color:var(--muted)}
.stack__icon{width:58px;height:58px;border-radius:16px;background:var(--paper-2);border:1px solid var(--line);display:grid;place-items:center;flex:0 0 auto}
.stack__icon svg{width:30px;height:30px}
.stack__card h3{font-family:var(--font-d);font-weight:800;font-size:clamp(1.5rem,2.6vw,2.2rem);letter-spacing:-.02em;margin-top:.3em;max-width:22ch}
.stack__card p{margin-top:14px;font-size:1.05rem;color:var(--ink-2);max-width:56ch}
.grow-path{animation:stackGrow 2.6s ease-in-out infinite}
.stack-icon--cycle{animation:stackSpin 4s linear infinite;transform-origin:50% 50%}
.pulse-ring{animation:stackPulse 2.4s ease-in-out infinite;transform-origin:20px 20px}
@keyframes stackGrow{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
@keyframes stackSpin{to{transform:rotate(360deg)}}
@keyframes stackPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.55}}
@media(max-width:880px){.stack__item{height:62vh}}
.metodo__hint{font-family:var(--font-m);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ---- final cta ---- */
.slogan-lock .cta-sub{font-family:var(--font-t);font-size:1.06rem;color:rgba(246,243,237,.75);margin:16px auto 0;max-width:44ch}
.slogan-lock .e{margin-top:22px}

/* ---- footer ---- */
.lfoot{background:var(--obsidian-2);color:var(--cream);padding:clamp(56px,8vh,90px) 0 40px}
.lfoot__top{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap}
.lfoot__logo{width:150px}
.lfoot__links{display:flex;gap:56px;flex-wrap:wrap}
.lfoot__links>div{display:flex;flex-direction:column;gap:11px}
.lfoot__h{font-family:var(--font-m);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:3px}
.lfoot__links a,.lfoot__plain{font-family:var(--font-t);font-size:.95rem;color:rgba(246,243,237,.78)}
.lfoot__links a:hover{color:#fff}
.lfoot__meta{display:flex;justify-content:space-between;margin-top:38px;padding-top:22px;border-top:1px solid var(--line-dark);font-family:var(--font-m);font-size:11.5px;color:var(--muted-2);letter-spacing:.04em;flex-wrap:wrap;gap:12px}

/* ---- reveal on scroll ---- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

section[id]{scroll-margin-top:84px}
.card__k{display:inline-flex;align-items:center;gap:8px}
.card__k::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);flex:0 0 auto}

@media(max-width:880px){
  .lnav__links{display:none}
  .lnav__burger{display:flex}
  .lhero h1{max-width:100%}
  .compare{grid-template-columns:1fr}
  .retire-grid{grid-template-columns:1fr}
  .lfoot__top{flex-direction:column}
}
@media(max-width:520px){
  .lnav__right .btn--primary{display:none}
  .retire-alt{flex-direction:column;text-align:center;gap:14px}
}