/* ============================================================
   Grandal — Home R2 (composições distintas por seção)
   ============================================================ */

/* Transições entre seções: bordas de luz sutis */
.section{position:relative}
.hairline{height:1px;background:linear-gradient(90deg,transparent,var(--color-border-strong),transparent)}

/* ====================== HERO ====================== */
.hero2{position:relative;overflow:hidden;padding-block:clamp(40px,6vw,76px) clamp(48px,7vw,88px)}
.hero2__bg{position:absolute;inset:0;z-index:0;pointer-events:none;background:var(--hero-bg)}
.hero2__grid{position:absolute;inset:0;opacity:.45;
  background-image:linear-gradient(var(--color-border) 1px,transparent 1px),linear-gradient(90deg,var(--color-border) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(1000px 520px at 75% 25%,#000 30%,transparent 78%)}
.hero2__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr 1.15fr;gap:clamp(28px,4vw,64px);align-items:center}
@media (max-width:1000px){.hero2__inner{grid-template-columns:1fr;gap:36px}}
.hero2 h1{font-size:clamp(2.5rem,1.6rem+4vw,4.6rem);font-weight:900;letter-spacing:-.025em;line-height:1.02}
.hero2 h1 .u{position:relative;white-space:nowrap}
.hero2 h1 .u::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.09em;background:var(--accent-grad);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease-out) .4s}
.js .hero2 h1.is-in .u::after,.hero2 h1 .u.draw::after{transform:scaleX(1)}
.hero2 .lead{max-width:46ch;margin-top:var(--sp-5);color:var(--color-text-muted)}
.hero2__actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-6)}
.hero2__proof{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:var(--sp-6);font-size:.86rem;color:var(--color-text-muted)}
.hero2__proof span{display:inline-flex;align-items:center;gap:7px}
.hero2__proof svg{width:15px;height:15px;stroke:var(--accent);fill:none;stroke-width:2}

/* Visual do hero: app + cascata */
.hero2__stage{position:relative}
.hero2__app{position:relative;z-index:2}
.cascade{margin-top:14px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media (max-width:520px){.cascade{grid-template-columns:1fr 1fr}}
.cascade__c{position:relative;background:var(--surface-1);border:1px solid var(--color-border);border-radius:12px;padding:11px 12px;opacity:.28;transform:translateY(6px);
  transition:opacity .45s var(--ease-out),transform .45s var(--ease-out),border-color .45s}
.cascade__c.lit{opacity:1;transform:none;border-color:rgba(38,229,222,.4)}
.cascade__c .k{font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gray-500)}
.cascade__c .v{font-family:var(--mono,monospace);font-weight:700;color:#fff;margin-top:2px;font-size:1.02rem}
.cascade__c .v small{color:var(--accent);font-size:.7rem;font-weight:600}
.cascade__c .ic{position:absolute;top:11px;right:11px;width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:2;opacity:.6}
.cascade__wire{height:14px;position:relative;margin:2px 0 0}
.cascade__wire::before{content:"";position:absolute;left:8%;right:8%;top:50%;height:2px;background:linear-gradient(90deg,rgba(38,229,222,.15),rgba(38,229,222,.5));border-radius:2px}

/* Hero institucional: portfólio de produtos da Grandal */
.folio{position:relative;width:100%;max-width:460px;margin-inline:auto;display:flex;flex-direction:column;gap:12px}
.folio__lead{font-family:var(--font-display);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--color-text-muted);margin-bottom:2px}
.folio__item{display:flex;align-items:center;gap:14px;padding:16px 18px;background:var(--surface-1);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-2)}
.folio__item .sym{width:40px;height:40px;flex:none;border-radius:11px;background:rgba(38,229,222,.10);display:grid;place-items:center}
.folio__item .sym img{width:26px;height:26px}
.folio__item .sym.mod{background:rgba(140,170,210,.10)}
.folio__item .sym.mod svg{width:20px;height:20px;stroke:var(--accent);fill:none;stroke-width:2}
.folio__item .tt{font-family:var(--font-display);font-weight:700;font-size:1.05rem;line-height:1.15}
.folio__item .tt small{display:block;font-family:var(--font-body);font-weight:400;font-size:.82rem;color:var(--color-text-muted);letter-spacing:0;text-transform:none;margin-top:2px}
.folio__item .bdg{margin-left:auto;font-size:.66rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);border:1px solid rgba(38,229,222,.4);border-radius:999px;padding:4px 9px;white-space:nowrap}
.folio__item--main{border-color:rgba(38,229,222,.35)}
.folio__item--soft{opacity:.72}
.folio__item--soft .sym{background:rgba(140,170,210,.08)}

/* ====================== BARRA DE PROVA ====================== */
.proofbar{border-block:1px solid var(--color-border);background:rgba(255,255,255,.018)}
.proofbar .container{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;padding-block:var(--sp-5);font-size:.9rem;color:var(--gray-400)}
.proofbar b{color:var(--color-text);font-weight:600}
.proofbar .sep{color:var(--accent);opacity:.6}

/* ====================== HISTÓRIA OPERACIONAL (sticky) ====================== */
.story{background:var(--color-bg-deep)}
.story__head{max-width:640px;margin-bottom:var(--sp-8)}
.story__wrap{display:grid;grid-template-columns:0.9fr 1.1fr;gap:clamp(28px,4vw,64px);align-items:start}
@media (max-width:960px){.story__wrap{grid-template-columns:1fr}}
.story__steps{display:flex;flex-direction:column;gap:6px}
.story__step{border-left:2px solid var(--color-border);padding:16px 0 16px 20px;cursor:pointer;transition:border-color .3s}
.story__step .n{font-family:var(--font-display);font-size:.72rem;letter-spacing:.14em;color:var(--gray-500)}
.story__step h3{font-size:1.15rem;margin:.2rem 0 .3rem;color:var(--gray-400);transition:color .3s}
.story__step p{font-size:.92rem;color:var(--gray-500);max-height:0;overflow:hidden;opacity:0;transition:max-height .4s var(--ease-out),opacity .3s,margin .3s}
.story__step.on{border-color:var(--accent)}
.story__step.on h3{color:#fff}
.story__step.on p{max-height:80px;opacity:1;margin-top:.2rem}
.story__media{position:sticky;top:92px}
.story__frames{position:relative;min-height:340px}
.story__frame{position:absolute;inset:0;opacity:0;transform:translateY(14px) scale(.99);transition:opacity .45s var(--ease-out),transform .45s var(--ease-out);pointer-events:none}
.story__frame.on{opacity:1;transform:none;pointer-events:auto;position:relative}
/* mobile: vira sequência vertical (cada passo com sua tela) */
.story__mobile{display:none}
@media (max-width:960px){
  .story__media,.story__steps{display:none}
  .story__mobile{display:block}
  .story__mstep{margin-bottom:var(--sp-7)}
  .story__mstep .n{font-family:var(--font-display);font-size:.72rem;letter-spacing:.14em;color:var(--accent)}
  .story__mstep h3{font-size:1.2rem;margin:.25rem 0 .5rem}
  .story__mstep p{color:var(--color-text-muted);font-size:.95rem;margin-bottom:var(--sp-4);max-width:60ch}
}

/* ====================== BEFORE / AFTER ====================== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}
@media (max-width:760px){.split{grid-template-columns:1fr}}
.split__side{padding:clamp(24px,4vw,44px)}
.split__side--before{background:var(--split-before)}
.split__side--after{background:linear-gradient(180deg,rgba(38,229,222,.06),rgba(24,198,185,.03));border-left:1px solid var(--color-border)}
@media (max-width:760px){.split__side--after{border-left:0;border-top:1px solid var(--color-border)}}
.split__tag{font-family:var(--font-display);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:var(--sp-4)}
.split__side--before .split__tag{color:var(--gray-500)}
.split__side--after .split__tag{color:var(--accent)}
.split__list li{display:flex;gap:.7rem;align-items:flex-start;padding:.5rem 0;font-size:.98rem}
.split__side--before li{color:var(--color-text-muted)}
.split__list svg{flex:none;width:19px;height:19px;margin-top:2px;stroke-width:2;fill:none}
.split__side--before svg{stroke:var(--color-text-muted)}
.split__side--after svg{stroke:var(--accent)}
.split__side--after li{color:var(--color-text)}

/* ====================== TABS DE PRODUTO ====================== */
.tabs__bar{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:var(--sp-6);border-bottom:1px solid var(--color-border);padding-bottom:2px}
.tabs__btn{appearance:none;background:none;border:0;color:var(--color-text-muted);font-family:var(--font-display);font-weight:600;
  font-size:.98rem;padding:.6rem .9rem;border-radius:10px 10px 0 0;cursor:pointer;position:relative;transition:color .25s}
.tabs__btn:hover{color:var(--color-text)}
.tabs__btn[aria-selected="true"]{color:#fff}
.tabs__btn[aria-selected="true"]::after{content:"";position:absolute;left:.9rem;right:.9rem;bottom:-3px;height:2px;background:var(--accent-grad);border-radius:2px}
.tabs__panel{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(24px,4vw,48px);align-items:center}
@media (max-width:900px){.tabs__panel{grid-template-columns:1fr;gap:28px}}
.tabs__panel[hidden]{display:none}
.tabs__copy .eyebrow{margin-bottom:var(--sp-3)}
.tabs__copy h3{font-size:clamp(1.4rem,1.1rem+1.2vw,2rem);margin-bottom:var(--sp-3)}
.tabs__copy p{color:var(--color-text-muted)}
.tabs__auto{display:flex;gap:.6rem;align-items:center;margin-top:var(--sp-4);font-size:.9rem;color:var(--accent)}
.tabs__auto svg{width:18px;height:18px;stroke:var(--accent);fill:none;stroke-width:2}
.tabs__out{margin-top:var(--sp-5);padding:14px 16px;border:1px solid var(--color-border);border-left:3px solid var(--accent);border-radius:0 12px 12px 0;background:rgba(38,229,222,.04)}
.tabs__out .l{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-weight:700}
.tabs__out p{color:var(--color-text);margin-top:.2rem;font-size:.96rem}

/* ====================== SEGMENTOS (tabs verticais) ====================== */
.seg{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(20px,3vw,44px);align-items:start}
@media (max-width:820px){.seg{grid-template-columns:1fr}}
.seg__list{display:flex;flex-direction:column;gap:4px}
@media (max-width:820px){.seg__list{flex-direction:row;overflow-x:auto;padding-bottom:6px}}
.seg__btn{appearance:none;text-align:left;background:none;border:1px solid transparent;border-radius:12px;padding:14px 16px;cursor:pointer;color:var(--color-text-muted);transition:all .25s;white-space:nowrap}
.seg__btn:hover{color:var(--color-text)}
.seg__btn[aria-selected="true"]{background:var(--surface-1);border-color:var(--color-border);color:#fff}
.seg__btn .t{font-family:var(--font-display);font-weight:700;font-size:1.02rem;display:block}
.seg__btn .s{font-size:.8rem;color:var(--gray-500)}
.seg__panel[hidden]{display:none}
.seg__panel{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(20px,3vw,40px);align-items:center;
  background:var(--surface-1);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:clamp(22px,3vw,36px)}
@media (max-width:640px){.seg__panel{grid-template-columns:1fr}}
.seg__panel h3{font-size:1.4rem;margin-bottom:var(--sp-3)}
.seg__row{display:flex;gap:8px;flex-wrap:wrap;margin:var(--sp-4) 0}
.seg__row .tg{font-size:.78rem;padding:4px 10px;border-radius:999px;border:1px solid var(--color-border-strong);color:var(--color-text-muted)}
.seg__res{border-left:3px solid var(--accent);padding-left:14px;margin-top:var(--sp-4)}
.seg__res .l{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-weight:700}
.seg__res p{color:var(--color-text);margin-top:.15rem}

/* ====================== AUTORIDADE ====================== */
.auth{position:relative;overflow:hidden}
.auth__statement{font-family:var(--font-display);font-weight:800;font-size:clamp(1.8rem,1.2rem+2.4vw,3.1rem);line-height:1.12;letter-spacing:-.02em;max-width:20ch}
.auth__statement .text-grad{display:inline}
.auth__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-6);margin-top:var(--sp-8)}
@media (max-width:820px){.auth__cols{grid-template-columns:1fr}}
.auth__col{border-top:1px solid var(--color-border-strong);padding-top:var(--sp-4)}
.auth__col .h{font-family:var(--font-display);font-weight:700;font-size:1.1rem;margin-bottom:.4rem}
.auth__col p{color:var(--color-text-muted);font-size:.95rem}

/* ====================== ATUALIZAÇÕES ====================== */
.updates{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,4vw,56px);align-items:center}
@media (max-width:900px){.updates{grid-template-columns:1fr}}
.changelog{background:var(--surface-1);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}
.changelog__h{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--color-border);font-size:.85rem;color:var(--color-text-muted)}
.changelog__h .st{margin-left:auto}
.clog{display:flex;gap:12px;padding:14px 16px;border-bottom:1px solid var(--color-border)}
.clog:last-child{border-bottom:0}
.clog .tick{width:28px;height:28px;flex:none;border-radius:8px;background:rgba(38,229,222,.1);color:var(--accent);display:grid;place-items:center}
.clog .tick svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2}
.clog .tt{font-weight:600;font-size:.95rem}
.clog .mm{font-size:.86rem;color:var(--color-text-muted)}
.clog .wh{margin-left:auto;font-size:.75rem;color:var(--gray-500);white-space:nowrap}

/* ====================== CTA FINAL ====================== */
.ctafin{position:relative;border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;
  background:var(--cta-bg);padding:clamp(34px,6vw,72px);text-align:center}
.ctafin::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 240px at 50% -30%,rgba(38,229,222,.18),transparent 70%);pointer-events:none}
.ctafin>*{position:relative;z-index:1}
.ctafin h2{font-size:clamp(1.8rem,1.3rem+2vw,2.8rem)}
.ctafin__actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);justify-content:center;margin-top:var(--sp-6)}
.ctafin__alt{margin-top:var(--sp-4);font-size:.9rem;color:var(--gray-400)}
.ctafin__alt a{color:var(--accent)}

/* Section header util */
.shead{max-width:640px}
.shead h2{margin:.3rem 0 var(--sp-3)}

/* reduced motion neutraliza cascata/draw */
@media (prefers-reduced-motion:reduce){
  .cascade__c{opacity:1;transform:none}
  .hero2 h1 .u::after{transform:scaleX(1)}
  .story__frame{position:relative;opacity:1;transform:none}
}