/* ================================================================
   ESTUDO DE CASO EXECUTIVO — PATRÍCIA MAY CASTILHO
   Versão 5 · Compacto · Técnico · Responsivo real
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;600&display=swap');

/* ── TOKENS ──────────────────────────────────── */
:root {
  --navy:      #0c1c2e;
  --navy-mid:  #14293f;
  --blue:      #1a4a8a;
  --blue-hi:   #2563eb;
  --blue-soft: #dbeafe;
  --gold:      #b8891a;
  --gold-hi:   #d4a520;
  --gold-bg:   #fdf6e3;
  --white:     #ffffff;
  --bg:        #f8f9fb;
  --bg-dark:   #f0f2f5;
  --line:      #e2e5ea;
  --txt-main:  #1a1f2e;
  --txt-mid:   #3d4557;
  --txt-soft:  #6b7280;
  --green:     #059669;
  --green-bg:  #ecfdf5;
  --mono:      'JetBrains Mono','Courier New',monospace;
  --sans:      'Inter',system-ui,sans-serif;
  --w:         min(94vw, 1240px);
  --r:         8px;
  --r-lg:      12px;
  --sh-sm:     0 1px 4px rgba(0,0,0,.06);
  --sh:        0 3px 14px rgba(0,0,0,.09);
  /* espaçamento de seção — sobrescrito por breakpoint */
  --sec-pad:   52px;
  --gap-inner: 22px;
}

/* ── RESET ───────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--sans);background:var(--white);color:var(--txt-main);
     line-height:1.65;-webkit-font-smoothing:antialiased}
ul{list-style:none}
a{color:var(--blue-hi);text-decoration:none}
a:hover{text-decoration:underline}

/* ── CONTAINER ───────────────────────────────── */
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}

/* ── SECTION ─────────────────────────────────── */
.section{padding:var(--sec-pad) 0;scroll-margin-top:52px}
.section.bg-off {background:var(--bg)}
.section.bg-navy{background:var(--navy)}

/* ── TYPOGRAPHY ──────────────────────────────── */
.eyebrow{
  display:inline-block;
  font-size:.62rem;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold);margin-bottom:5px
}
.section.bg-navy .eyebrow{color:var(--gold-hi)}
h2.stitle{
  font-size:clamp(1.25rem,2.3vw,1.75rem);
  font-weight:700;color:var(--navy);line-height:1.22;margin-bottom:6px
}
.section.bg-navy h2.stitle{color:#fff}
.slead{font-size:.88rem;color:var(--txt-soft);max-width:580px;margin-bottom:var(--gap-inner)}
.section.bg-navy .slead{color:rgba(255,255,255,.5)}
p{color:var(--txt-mid);font-size:.88rem;line-height:1.70;margin-bottom:10px}
p:last-child{margin-bottom:0}
strong{color:var(--txt-main);font-weight:600}
hr.div{border:none;border-top:1px solid var(--line)}

/* ── NAV ─────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.97);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)
}
.nav-in{
  display:flex;align-items:center;
  justify-content:space-between;height:50px
}
.nav-brand{font-size:.75rem;font-weight:700;color:var(--navy);letter-spacing:.03em;white-space:nowrap}
.nav-brand b{color:var(--gold)}
.nav-links{display:flex;gap:2px}
.nav-links a{
  font-size:.75rem;font-weight:500;color:var(--txt-soft);
  padding:5px 9px;border-radius:5px;
  transition:background .14s,color .14s;white-space:nowrap
}
.nav-links a:hover,.nav-links a.active{
  background:var(--bg);color:var(--navy);text-decoration:none
}
.nav-toggle{
  display:none;background:none;border:none;
  cursor:pointer;padding:6px;color:var(--txt-mid)
}
.nav-toggle span{
  display:block;width:20px;height:2px;
  background:currentColor;margin:4px 0;border-radius:2px;
  transition:transform .2s,opacity .2s
}

/* ── HERO ────────────────────────────────────── */
#case{
  background:linear-gradient(150deg,var(--navy) 0%,var(--navy-mid) 55%,#09243c 100%);
  padding:48px 0 42px;position:relative;overflow:hidden
}
#case::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse 60% 70% at 10% 60%,rgba(37,99,235,.12) 0%,transparent 65%),
    radial-gradient(ellipse 40% 50% at 90% 15%,rgba(184,137,26,.08) 0%,transparent 65%);
  pointer-events:none
}
#case .wrap{position:relative;z-index:1}

/* grade 2 colunas */
.hero-grid{
  display:grid;
  grid-template-columns:1fr 380px;
  gap:32px;
  align-items:start;
  margin-bottom:24px
}
.hero-left{display:flex;flex-direction:column;gap:0}
.hero-right{display:flex;flex-direction:column;gap:0;padding-top:6px}

/* chip */
.hero-chip{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid rgba(184,137,26,.4);color:var(--gold-hi);
  font-size:.6rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;padding:3px 11px;border-radius:100px;
  margin-bottom:12px;align-self:flex-start
}
.hero-chip::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--gold-hi);flex-shrink:0}

/* título */
.hero-title{
  font-size:clamp(1.55rem,2.8vw,2.25rem);
  font-weight:700;color:#fff;line-height:1.16;margin-bottom:10px
}
.hero-title em{color:#60a5fa;font-style:normal}

/* subtítulo */
.hero-sub{
  font-size:.88rem;color:rgba(255,255,255,.55);
  line-height:1.62;margin-bottom:8px
}

/* linha de identidade */
.hero-id{
  color:rgba(255,255,255,.32);font-size:.72rem;
  font-weight:500;letter-spacing:.02em;margin-bottom:16px
}

/* botões */
.hero-btns{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:0}

/* ── HERO KPI CARDS ──────────────────────────── */
.hero-kpis{
  display:flex;flex-direction:column;gap:8px;
  margin-bottom:14px
}
.hk-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.11);
  border-left:3px solid var(--gold-hi);
  border-radius:var(--r);
  padding:12px 14px 10px
}
.hk-val{
  font-size:.88rem;font-weight:700;color:#fff;
  line-height:1.2;margin-bottom:4px
}
.hk-desc{
  font-size:.74rem;color:rgba(255,255,255,.48);
  line-height:1.44;margin:0
}

/* tese curta */
.hero-tese{
  font-size:.78rem;color:rgba(255,255,255,.42);
  line-height:1.60;
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:10px;margin:0
}

/* ── HERO ROLE BLOCK ─────────────────────────── */
.hero-role{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r);
  padding:12px 14px 11px;
  margin-top:10px
}
.hero-role-label{
  font-family:var(--mono);font-size:.58rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold-hi);margin-bottom:7px
}
.hero-role-text{
  font-size:.76rem;color:rgba(255,255,255,.55);
  line-height:1.58;margin-bottom:8px
}
.hero-role-list{
  padding:0;margin:0;
  display:flex;flex-direction:column;gap:4px
}
.hero-role-list li{
  font-size:.74rem;color:rgba(255,255,255,.42);
  line-height:1.45;padding-left:12px;position:relative
}
.hero-role-list li::before{
  content:'›';position:absolute;left:0;
  color:var(--gold-hi);font-weight:700;font-size:.72rem
}

/* ── FLUXO TÉCNICO — faixa full-width ───────── */
.hero-flow-wrap{
  background:rgba(0,0,0,.2);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r);
  padding:11px 16px;
  overflow-x:auto
}
.hero-flow{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:5px 6px;min-width:0
}
.hf-node{
  font-family:var(--mono);font-size:.67rem;font-weight:600;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.78);padding:5px 10px;border-radius:5px;
  white-space:nowrap
}
.hf-node.hi{background:rgba(37,99,235,.28);border-color:rgba(37,99,235,.5);color:#93c5fd}
.hf-node.gd{background:rgba(212,165,32,.2);border-color:rgba(212,165,32,.45);color:#fcd34d}
.hf-node.gr{background:rgba(5,150,105,.22);border-color:rgba(5,150,105,.45);color:#6ee7b7}
.hf-arr{color:rgba(255,255,255,.28);font-size:.85rem;flex-shrink:0}
.hero-flow-note{
  width:100%;margin-top:6px;
  font-size:.72rem;color:rgba(255,255,255,.34);font-style:italic
}

/* ── BUTTONS ─────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 17px;border-radius:var(--r);
  font-size:.80rem;font-weight:600;border:none;
  cursor:pointer;white-space:nowrap;
  transition:opacity .16s,transform .16s
}
.btn:hover{opacity:.85;transform:translateY(-1px);text-decoration:none}
.btn-p{background:var(--blue-hi);color:#fff}
.btn-o{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3)}
.btn-g{background:var(--gold);color:#fff}
.btn-sm{padding:6px 12px;font-size:.75rem}

/* ── TAGS ────────────────────────────────────── */
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tag{font-size:.7rem;font-weight:600;padding:3px 9px;border-radius:100px;background:var(--bg-dark);color:var(--txt-mid)}
.tag.b{background:var(--blue-soft);color:var(--blue)}
.tag.g{background:var(--gold-bg);color:#92400e}
.tag.n{background:var(--navy);color:#fff}
.tag.gr{background:var(--green-bg);color:var(--green)}

/* ── CALLOUT ─────────────────────────────────── */
.callout{
  background:var(--gold-bg);border-left:3px solid var(--gold);
  border-radius:0 var(--r) var(--r) 0;padding:11px 15px
}
.callout p{font-size:.83rem;color:#78350f;margin:0}
.callout em{font-style:normal;font-weight:600}
.callout.blue{background:var(--blue-soft);border-left-color:var(--blue-hi)}
.callout.blue p{color:var(--blue)}
.mt16{margin-top:16px}
.mt20{margin-top:20px}
.mt24{margin-top:24px}

/* ── CHALLENGE CARDS ─────────────────────────── */
.ch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:var(--gap-inner)}
.ch-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 15px;box-shadow:var(--sh-sm)}
.ch-card .ico{font-size:1.25rem;margin-bottom:7px;display:block}
.ch-card h4{font-size:.81rem;font-weight:700;color:var(--navy);margin-bottom:4px}
.ch-card p{font-size:.79rem;color:var(--txt-soft);margin:0}

/* ── PIPELINE (arquitetura) ──────────────────── */
.pipe-wrap{
  background:var(--navy);border-radius:var(--r-lg);
  padding:14px 18px 12px;margin-bottom:18px;overflow-x:auto
}
.pipe-label{color:rgba(255,255,255,.3);font-family:var(--mono);font-size:.57rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:9px}
.pipe-row{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;min-width:640px}
.pipe-node{
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:6px;padding:5px 8px;
  font-family:var(--mono);font-size:.63rem;font-weight:600;
  color:rgba(255,255,255,.78);text-align:center;line-height:1.25;
  white-space:nowrap;flex-shrink:0
}
.pipe-node.hi{background:rgba(37,99,235,.28);border-color:rgba(37,99,235,.5);color:#93c5fd}
.pipe-node.gd{background:rgba(212,165,32,.2);border-color:rgba(212,165,32,.45);color:#fcd34d}
.pipe-node.gr{background:rgba(5,150,105,.22);border-color:rgba(5,150,105,.45);color:#6ee7b7}
.pipe-arr{color:rgba(255,255,255,.22);font-size:.85rem;flex-shrink:0;padding:0 1px}

/* ── FLOW TABLE (arquitetura) ────────────────── */
.flow-table{width:100%;border-collapse:collapse;font-size:.82rem}
.flow-table thead{background:var(--navy);color:#fff}
.flow-table th{padding:8px 13px;text-align:left;font-size:.63rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.flow-table td{padding:8px 13px;border-bottom:1px solid var(--line);color:var(--txt-mid);vertical-align:top}
.flow-table tr:nth-child(even) td{background:var(--bg)}
.flow-table tr:hover td{background:#eff6ff}

/* code chip */
.code{
  font-family:var(--mono);font-size:.69rem;font-weight:600;
  background:var(--bg-dark);color:var(--blue);
  padding:2px 6px;border-radius:4px;border:1px solid var(--line);white-space:nowrap
}

/* ── DECISION TABLE ──────────────────────────── */
.dec-table{width:100%;border-collapse:collapse;font-size:.82rem}
.dec-table thead{background:var(--navy);color:#fff}
.dec-table th{padding:8px 13px;text-align:left;font-size:.63rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.dec-table td{padding:8px 13px;border-bottom:1px solid var(--line);color:var(--txt-mid);vertical-align:top}
.dec-table td:first-child{font-weight:600;color:var(--navy);white-space:nowrap}
.dec-table tr:nth-child(even) td{background:var(--bg)}
.dec-table tr:hover td{background:#eff6ff}

/* ── APPLY TABLE ─────────────────────────────── */
.apply-t{width:100%;border-collapse:collapse;font-size:.82rem}
.apply-t th{background:var(--bg);color:var(--navy);padding:8px 13px;text-align:left;font-size:.63rem;text-transform:uppercase;letter-spacing:.08em;border-bottom:2px solid var(--line)}
.apply-t td{padding:8px 13px;border-bottom:1px solid var(--line);color:var(--txt-mid);vertical-align:top}
.apply-t tr:last-child td{border-bottom:none}
.apply-t tr:hover td{background:#f8faff}
.apply-t td:first-child{font-weight:600;color:var(--navy)}

/* ── EXP CARDS (4 colunas) ───────────────────── */
.exp-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-top:4px}
.exp-card{background:var(--white);border:1px solid var(--line);border-top:3px solid var(--blue-hi);border-radius:var(--r-lg);padding:14px 13px 12px;box-shadow:var(--sh-sm)}
.exp-card .co{font-size:.61rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--blue);margin-bottom:4px}
.exp-card h4{font-size:.80rem;font-weight:700;color:var(--navy);margin-bottom:4px}
.exp-card p{font-size:.76rem;color:var(--txt-soft);margin:0;line-height:1.50}

/* sub-heading interno */
.sub-heading{font-size:.75rem;font-weight:700;color:var(--navy);text-transform:uppercase;letter-spacing:.1em;margin:22px 0 10px}

/* ── DEFENSE GRID ────────────────────────────── */
.def-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.def-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);padding:13px 13px 11px;transition:background .18s,border-color .18s}
.def-card:hover{background:rgba(255,255,255,.08);border-color:rgba(212,165,32,.38)}
.def-card .sn{font-family:var(--mono);font-size:.57rem;font-weight:600;color:var(--gold-hi);letter-spacing:.1em;margin-bottom:4px}
.def-card h4{font-size:.79rem;font-weight:700;color:#fff;margin-bottom:3px}
.def-card p{font-size:.73rem;color:rgba(255,255,255,.45);margin:0;line-height:1.44}
.def-note{margin-top:18px;background:rgba(184,137,26,.1);border:1px solid rgba(184,137,26,.28);border-radius:var(--r);padding:11px 15px}
.def-note p{font-size:.81rem;color:rgba(255,255,255,.62);margin:0}
.def-note strong{color:var(--gold-hi)}

/* ── ACCORDION ───────────────────────────────── */
.acc{display:flex;flex-direction:column;gap:6px}
.acc-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm)}
.acc-item.open{border-color:var(--blue-hi)}
.acc-btn{display:flex;align-items:flex-start;gap:10px;width:100%;padding:13px 16px;background:none;border:none;cursor:pointer;text-align:left;transition:background .14s}
.acc-btn:hover{background:var(--bg)}
.acc-item.open .acc-btn{background:#eff6ff}
.acc-n{background:var(--navy);color:var(--gold-hi);font-family:var(--mono);font-size:.6rem;font-weight:600;padding:2px 7px;border-radius:4px;flex-shrink:0;margin-top:2px}
.acc-item.open .acc-n{background:var(--blue-hi);color:#fff}
.acc-lbl{flex:1}
.acc-lbl .cat{font-size:.58rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--txt-soft);margin-bottom:2px}
.acc-lbl h4{font-size:.87rem;font-weight:700;color:var(--navy);line-height:1.30}
.acc-item.open .acc-lbl h4{color:var(--blue)}
.acc-chev{color:var(--txt-soft);font-size:.72rem;flex-shrink:0;margin-top:3px;transition:transform .22s}
.acc-item.open .acc-chev{transform:rotate(180deg);color:var(--blue-hi)}
.acc-body{display:none;padding:0 16px 14px 46px}
.acc-item.open .acc-body{display:block}
.acc-body p{font-size:.84rem;color:var(--txt-mid);margin-bottom:7px}
.acc-body ul{padding-left:16px;margin:4px 0}
.acc-body li{font-size:.82rem;color:var(--txt-mid);margin-bottom:5px;line-height:1.52}
.acc-hl{background:#eff6ff;border-left:3px solid var(--blue-hi);border-radius:0 4px 4px 0;padding:8px 12px;margin:9px 0;font-size:.81rem;color:var(--blue);font-weight:500}
.acc-hl.gold{background:var(--gold-bg);border-left-color:var(--gold);color:#78350f}

/* ── FOOTER ──────────────────────────────────── */
.footer{background:var(--navy);border-top:2px solid var(--gold);padding:22px 0;text-align:center}
.footer p{color:rgba(255,255,255,.38);font-size:.74rem;margin-bottom:3px}
.footer p:first-child{color:rgba(255,255,255,.7);font-size:.80rem;font-weight:500}
.footer strong{color:#fff}
.footer span{color:var(--gold-hi)}

/* ── UTILS ───────────────────────────────────── */
.ovx{overflow-x:auto}

/* ================================================================
   RESPONSIVE
   1440+ desktop large | 1024-1439 notebook | 768-1023 tablet | <768 mobile | <400 small
   ================================================================ */

/* Desktop grande ≥ 1440 */
@media(min-width:1440px){
  :root{--sec-pad:58px;--gap-inner:26px}
  .def-grid{grid-template-columns:repeat(4,1fr)}
  .exp-cards{grid-template-columns:repeat(4,1fr)}
  .ch-grid{grid-template-columns:repeat(3,1fr)}
}

/* Notebook 1024–1439 */
@media(min-width:1024px) and (max-width:1439px){
  :root{--sec-pad:48px;--gap-inner:20px}
  .def-grid{grid-template-columns:repeat(4,1fr)}
  .exp-cards{grid-template-columns:repeat(4,1fr)}
}

/* Tablet 768–1023 */
@media(min-width:768px) and (max-width:1023px){
  :root{--sec-pad:40px;--gap-inner:16px}
  .nav-links a{padding:4px 7px;font-size:.71rem}
  .ch-grid{grid-template-columns:repeat(2,1fr)}
  .def-grid{grid-template-columns:repeat(2,1fr)}
  .exp-cards{grid-template-columns:repeat(2,1fr)}
  .dec-table td:first-child{white-space:normal}
  .hero-title{font-size:clamp(1.5rem,3.4vw,2.2rem)}
}

/* Tablet 768–1023: hero colapsa para 1 coluna */
@media(min-width:768px) and (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:20px}
  .hero-kpis{flex-direction:row;gap:10px}
  .hk-card{flex:1}
}

/* Mobile < 768 */
@media(max-width:767px){
  :root{--sec-pad:32px;--gap-inner:14px}

  /* nav hamburger */
  .nav-links{
    display:none;flex-direction:column;
    position:absolute;top:50px;left:0;right:0;
    background:var(--white);border-bottom:1px solid var(--line);
    padding:7px 12px;gap:2px;z-index:100;box-shadow:var(--sh)
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:flex;flex-direction:column}

  /* hero mobile: 1 coluna */
  #case{padding:30px 0 28px}
  .hero-grid{grid-template-columns:1fr;gap:18px;margin-bottom:16px}
  .hero-title{font-size:1.42rem;line-height:1.18}
  .hero-sub{font-size:.85rem}
  .hero-btns{flex-direction:row;flex-wrap:wrap;gap:8px}
  .hero-btns .btn{flex:1;min-width:120px;justify-content:center}
  .hero-kpis{flex-direction:column;gap:7px}
  .hk-val{font-size:.86rem}
  .hero-tese{font-size:.76rem}
  .hero-flow-wrap{padding:9px 12px}
  .hero-flow{gap:4px 5px}
  .hf-node{font-size:.62rem;padding:4px 8px}
  .hf-arr{font-size:.78rem}

  /* grids */
  .ch-grid{grid-template-columns:1fr}
  .def-grid{grid-template-columns:repeat(2,1fr)}
  .exp-cards{grid-template-columns:1fr}

  /* tabelas */
  .dec-table td:first-child,.apply-t td:first-child{white-space:normal}
  .dec-table,.flow-table,.apply-t{font-size:.78rem}
  .flow-table td,.flow-table th,
  .dec-table td,.dec-table th,
  .apply-t td,.apply-t th{padding:7px 10px}

  /* accordion */
  .acc-body{padding-left:16px}
  .acc-btn{padding:11px 14px}
}

/* Telas pequenas < 400 */
@media(max-width:400px){
  .def-grid{grid-template-columns:1fr}
  .hero-title{font-size:1.32rem}
  h2.stitle{font-size:1.15rem}
  .hero-chip{font-size:.56rem;padding:3px 9px}
}

/* ── PRINT ───────────────────────────────────── */
@media print{
  .nav,.hero-btns{display:none!important}
  .section{page-break-inside:avoid}
  .acc-body{display:block!important}
  body{background:#fff}
}