/* ═══════════════════════════════════════════════════════════════
   PIZOLOTTO STUDIO — design system v1.0
   Tom: editorial · studio · premium · vendável
   Tipografia: Fraunces (display) + Inter (corpo) + JetBrains Mono (lettering)
═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,300;1,9..144,500;1,9..144,600&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* INSTITUCIONAL — Pizolotto Group */
  --ink:        #0A0E1A;
  --ink-2:      #14182A;
  --ink-3:      #1F2438;
  --bone:       #F5F1E8;
  --bone-2:     #EBE5D6;
  --paper:      #FAF8F2;
  --brass:      #C9A961;
  --brass-2:    #B89548;
  --signal:     #3FA66B;

  /* texto */
  --t-1: #0A0E1A;
  --t-2: #3A4055;
  --t-3: #6B7185;
  --t-d: rgba(245,241,232,.92);
  --t-d-2: rgba(245,241,232,.62);
  --t-d-3: rgba(245,241,232,.36);

  /* borders */
  --bd:    rgba(10,14,26,.10);
  --bd-2:  rgba(10,14,26,.18);
  --bd-d:  rgba(245,241,232,.10);
  --bd-d2: rgba(245,241,232,.20);

  /* tipografia */
  --f-display: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
  --f-sans:    'Inter', 'Jost', -apple-system, system-ui, sans-serif;
  --f-mono:    'JetBrains Mono', 'Space Mono', ui-monospace, monospace;

  /* raios */
  --r-s: 6px;
  --r-m: 12px;
  --r-l: 18px;
  --r-x: 28px;
  --r-p: 999px;

  /* container */
  --col-max: 1280px;
  --gut:     2rem;

  /* header */
  --h-h:     72px;
}

/* ── reset base ── */
.stu-body { background: var(--paper); color: var(--t-1); font-family: var(--f-sans); -webkit-font-smoothing: antialiased; line-height: 1.55; font-feature-settings: 'ss01','cv11'; }
.stu-body *, .stu-body *::before, .stu-body *::after { box-sizing: border-box; }
.stu-body a { color: inherit; text-decoration: none; }
.stu-body img, .stu-body svg { display: block; max-width: 100%; }
.stu-body ::-webkit-scrollbar { width: 6px; height: 6px; }
.stu-body ::-webkit-scrollbar-track { background: var(--paper); }
.stu-body ::-webkit-scrollbar-thumb { background: var(--bd-2); border-radius: 4px; }

/* ── utilitários ── */
.stu-wrap     { max-width: var(--col-max); margin: 0 auto; padding: 0 var(--gut); }
.stu-eyebrow  { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--t-3); font-weight: 500; }
.stu-eyebrow.brass { color: var(--brass-2); }
.stu-display  { font-family: var(--f-display); font-weight: 500; line-height: 1.02; letter-spacing: -.02em; color: var(--t-1); font-feature-settings: 'ss01'; }
.stu-display em { font-style: italic; font-weight: 400; color: var(--brass-2); }
.stu-h1       { font-size: clamp(2.2rem, 5vw, 4.2rem); }
.stu-h2       { font-size: clamp(1.6rem, 2.8vw, 2.4rem); }
.stu-h3       { font-size: clamp(1.4rem, 2.2vw, 1.85rem); }
.stu-lead     { font-size: clamp(1.05rem, 1.2vw, 1.18rem); color: var(--t-2); max-width: 60ch; line-height: 1.6; font-weight: 400; }
.stu-section  { padding: clamp(64px, 9vw, 130px) 0; }
.stu-rule     { height: 1px; background: var(--bd); border: none; margin: 0; }

/* ── botões ── */
.stu-body .stu-btn,
.stu-body a.stu-btn,
.stu-body button.stu-btn { display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-sans); font-size: .92rem; font-weight: 500; letter-spacing: .005em; padding: 13px 22px; border-radius: var(--r-p); border: 1px solid transparent; cursor: pointer; transition: transform .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease; white-space: nowrap; line-height: 1; text-decoration: none; }
.stu-body .stu-btn i { font-size: 1.05em; }
.stu-body .stu-btn-primary,
.stu-body a.stu-btn-primary,
.stu-body button.stu-btn-primary { background: var(--ink); color: var(--bone); }
.stu-body .stu-btn-primary:hover { background: #000; color: var(--bone); transform: translateY(-1px); box-shadow: 0 12px 32px rgba(10,14,26,.18); }
.stu-body .stu-btn-ghost,
.stu-body a.stu-btn-ghost,
.stu-body button.stu-btn-ghost { background: transparent; color: var(--t-1); border-color: var(--bd-2); }
.stu-body .stu-btn-ghost:hover { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.stu-body .stu-btn-brass,
.stu-body a.stu-btn-brass,
.stu-body button.stu-btn-brass { background: var(--brass); color: var(--ink); }
.stu-body .stu-btn-brass:hover { background: var(--brass-2); color: var(--ink); }
.stu-body .stu-btn-wa,
.stu-body a.stu-btn-wa,
.stu-body button.stu-btn-wa { background: #25D366; color: #fff; }
.stu-body .stu-btn-wa:hover { background: #1cb858; color: #fff; }
.stu-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--t-1); border-bottom: 1px solid var(--t-3); padding-bottom: 1px; transition: gap .2s, border-color .2s, color .2s; }
.stu-link:hover { gap: 12px; border-color: var(--ink); }
.stu-link.on-dark { color: var(--bone); border-color: var(--t-d-3); }
.stu-link.on-dark:hover { border-color: var(--bone); }

/* ═════════════════════════════════════════════
   HEADER STUDIO
═════════════════════════════════════════════ */
.stu-header { position: sticky; top: 0; z-index: 100; background: rgba(250,248,242,.86); backdrop-filter: blur(20px) saturate(160%); border-bottom: 1px solid var(--bd); height: var(--h-h); }
.stu-header-inner { max-width: var(--col-max); margin: 0 auto; padding: 0 var(--gut); height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.stu-brand { display: flex; align-items: center; gap: 11px; }
.stu-brand-mark { width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0; }
.stu-brand-txt { line-height: 1.05; }
.stu-brand-name { font-family: var(--f-display); font-size: 1.18rem; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.stu-brand-sub  { font-family: var(--f-mono); font-size: .58rem; color: var(--t-3); letter-spacing: .18em; text-transform: uppercase; margin-top: 1px; }
.stu-nav { display: flex; align-items: center; gap: .25rem; }
.stu-nav a, .stu-nav button { background: none; border: none; cursor: pointer; font-family: var(--f-sans); font-size: .9rem; font-weight: 500; color: var(--t-2); padding: 8px 14px; border-radius: var(--r-s); transition: color .15s, background-color .15s; line-height: 1; }
.stu-nav a:hover, .stu-nav button:hover, .stu-nav a.on, .stu-nav button.on { color: var(--ink); background: rgba(10,14,26,.04); }
.stu-nav-drop { position: relative; }
.stu-nav-drop > button { display: inline-flex; align-items: center; gap: 5px; }
.stu-nav-drop > button .bi { font-size: .68rem; transition: transform .2s; }
.stu-nav-drop.open > button .bi { transform: rotate(180deg); }
.stu-drop-pane { position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-6px); min-width: 480px; background: var(--paper); border: 1px solid var(--bd); border-radius: var(--r-l); box-shadow: 0 28px 64px rgba(10,14,26,.14); padding: 14px; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .18s, transform .18s, visibility .18s; }
.stu-nav-drop.open .stu-drop-pane { opacity: 1; visibility: visible; pointer-events: all; transform: translateX(-50%) translateY(0); }
.stu-drop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.stu-drop-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px; border-radius: var(--r-m); transition: background-color .15s; }
.stu-drop-item:hover { background: rgba(10,14,26,.04); }
.stu-drop-mark { width: 38px; height: 38px; border-radius: 9px; flex-shrink: 0; }
.stu-drop-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.stu-drop-name { font-family: var(--f-display); font-size: 1.02rem; font-weight: 600; color: var(--ink); line-height: 1.1; }
.stu-drop-tag  { font-size: .78rem; color: var(--t-3); line-height: 1.3; }
.stu-drop-foot { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; margin-top: 6px; border-top: 1px solid var(--bd); }
.stu-drop-foot small { font-family: var(--f-mono); font-size: .65rem; color: var(--t-3); letter-spacing: .14em; text-transform: uppercase; }
.stu-header-cta { display: flex; align-items: center; gap: 10px; }
.stu-mob-btn { display: none; background: none; border: none; font-size: 1.55rem; cursor: pointer; color: var(--ink); padding: 6px; }
.stu-mob-menu { display: none; }

/* ═════════════════════════════════════════════
   HERO HOME
═════════════════════════════════════════════ */
.stu-hero { position: relative; padding: clamp(80px, 12vw, 160px) 0 clamp(60px, 8vw, 110px); overflow: hidden; }
.stu-hero::before { content: ''; position: absolute; inset: 0; background:
   radial-gradient(ellipse at 18% 0%, rgba(201,169,97,.10), transparent 55%),
   radial-gradient(ellipse at 100% 100%, rgba(63,166,107,.06), transparent 60%);
  pointer-events: none; z-index: 0; }
.stu-hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: end; }
.stu-hero-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 1.6rem; }
.stu-hero-meta .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 3px rgba(63,166,107,.22); animation: stuPulse 2s infinite; }
@keyframes stuPulse { 0%,100% { box-shadow: 0 0 0 3px rgba(63,166,107,.22); } 50% { box-shadow: 0 0 0 6px rgba(63,166,107,0); } }
.stu-hero h1 { margin: 0 0 1.8rem; }
.stu-hero-sub { font-size: clamp(1.05rem, 1.25vw, 1.22rem); color: var(--t-2); line-height: 1.55; max-width: 56ch; }
.stu-hero-cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 2.4rem; }
.stu-hero-stats { display: flex; gap: 2.6rem; margin-top: 3.2rem; padding-top: 2.2rem; border-top: 1px solid var(--bd); }
.stu-hero-stat strong { display: block; font-family: var(--f-display); font-size: clamp(1.6rem, 2.3vw, 2.2rem); font-weight: 600; color: var(--ink); line-height: 1; }
.stu-hero-stat span  { display: block; font-size: .78rem; color: var(--t-3); margin-top: 6px; max-width: 18ch; }

/* Hero side — stack de logos animado */
.stu-hero-art { position: relative; aspect-ratio: 1/1; max-width: 480px; margin-left: auto; }
.stu-hero-tile { position: absolute; width: 44%; aspect-ratio: 1/1; border-radius: var(--r-x); box-shadow: 0 30px 70px rgba(10,14,26,.18), 0 4px 12px rgba(10,14,26,.08); overflow: hidden; transition: transform .5s cubic-bezier(.2,.8,.2,1); animation: stuFloat 9s ease-in-out infinite; }
.stu-hero-tile img { width: 100%; height: 100%; object-fit: cover; }
.stu-hero-tile.t1 { top: 0; left: 0; animation-delay: 0s; }
.stu-hero-tile.t2 { top: 4%; right: 0; animation-delay: 1.2s; }
.stu-hero-tile.t3 { bottom: 0; left: 8%; animation-delay: 2.4s; }
.stu-hero-tile.t4 { bottom: 4%; right: 6%; animation-delay: 3.6s; }
@keyframes stuFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.stu-hero-tile:hover { transform: translateY(-14px) scale(1.04); z-index: 5; }
.stu-hero-badge { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); background: var(--ink); color: var(--bone); font-family: var(--f-mono); font-size: .58rem; letter-spacing: .22em; text-transform: uppercase; padding: 10px 18px; border-radius: var(--r-p); box-shadow: 0 14px 36px rgba(10,14,26,.3); z-index: 6; }

/* ═════════════════════════════════════════════
   STRIP DE LOGOS / RUNNING TICKER
═════════════════════════════════════════════ */
.stu-ticker { background: var(--ink); color: var(--bone); padding: 18px 0; overflow: hidden; border-top: 1px solid var(--ink-3); border-bottom: 1px solid var(--ink-3); }
.stu-ticker-track { display: flex; gap: 4rem; width: max-content; animation: stuTicker 38s linear infinite; }
.stu-ticker-item { display: flex; align-items: center; gap: 14px; font-family: var(--f-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--t-d-2); white-space: nowrap; }
.stu-ticker-item .sep { color: var(--brass); font-size: 1rem; }
.stu-ticker-item strong { color: var(--bone); font-weight: 500; font-family: var(--f-display); font-size: 1.05rem; letter-spacing: 0; text-transform: none; }
@keyframes stuTicker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ═════════════════════════════════════════════
   SECTION HEADERS (Editorial)
═════════════════════════════════════════════ */
.stu-sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: end; margin-bottom: 4rem; }
.stu-sec-head .stu-eyebrow { margin-bottom: 1.2rem; }
.stu-sec-head h2 { max-width: 16ch; }
.stu-sec-head p  { color: var(--t-2); font-size: 1.04rem; line-height: 1.65; max-width: 50ch; }

/* ═════════════════════════════════════════════
   PRODUTOS — CARD VENDÁVEL (vitrine)
═════════════════════════════════════════════ */
.stu-products { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.stu-pcard { position: relative; background: var(--bone); border: 1px solid var(--bd); border-radius: var(--r-x); overflow: hidden; transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s, border-color .25s; display: flex; flex-direction: column; min-height: 460px; isolation: isolate; }
.stu-pcard:hover { transform: translateY(-6px); box-shadow: 0 32px 64px rgba(10,14,26,.14); border-color: var(--bd-2); }
.stu-pcard-top { padding: 2.2rem 2.2rem 1.4rem; position: relative; }
.stu-pcard-mark { display: block; width: 72px; height: 72px; border-radius: 18px; flex-shrink: 0; box-shadow: 0 14px 32px rgba(10,14,26,.12); background: color-mix(in srgb, var(--accent, var(--brass)) 12%, var(--paper)); padding: 10px; object-fit: contain; }
.stu-pcard-state { position: absolute; top: 1.6rem; right: 1.6rem; display: inline-flex; align-items: center; gap: 6px; font-family: var(--f-mono); font-size: .58rem; letter-spacing: .2em; text-transform: uppercase; color: var(--t-3); padding: 5px 11px; border: 1px solid var(--bd); border-radius: var(--r-p); background: rgba(255,255,255,.7); backdrop-filter: blur(4px); }
.stu-pcard-state.ativo  { color: var(--signal); border-color: rgba(63,166,107,.25); background: rgba(63,166,107,.06); }
.stu-pcard-state.beta   { color: var(--brass-2); border-color: rgba(201,169,97,.35); background: rgba(201,169,97,.08); }
.stu-pcard-state.desenho{ color: var(--t-3); }
.stu-pcard-state .dot   { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.stu-pcard-body { padding: 0 2.2rem 1.6rem; flex: 1; display: flex; flex-direction: column; }
.stu-pcard-tag  { font-family: var(--f-mono); font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--t-3); margin-bottom: .7rem; }
.stu-pcard-name { font-family: var(--f-display); font-size: clamp(1.7rem, 2vw, 2.05rem); font-weight: 600; color: var(--ink); line-height: 1.05; letter-spacing: -.01em; margin-bottom: .9rem; }
.stu-pcard-desc { color: var(--t-2); font-size: .96rem; line-height: 1.6; flex: 1; }
.stu-pcard-foot { padding: 1.4rem 2.2rem; border-top: 1px solid var(--bd); background: var(--paper); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.stu-pcard-mts  { display: flex; gap: 1.2rem; }
.stu-pcard-mt strong { display: block; font-family: var(--f-display); font-size: 1rem; font-weight: 600; color: var(--ink); line-height: 1; }
.stu-pcard-mt span  { display: block; font-size: .66rem; color: var(--t-3); margin-top: 4px; font-family: var(--f-mono); letter-spacing: .08em; text-transform: uppercase; }
.stu-pcard-cta  { display: inline-flex; align-items: center; gap: 8px; font-family: var(--f-mono); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; font-weight: 700; color: var(--ink); }
.stu-pcard:hover .stu-pcard-cta i { transform: translate(3px,-3px); }
.stu-pcard-cta i { transition: transform .25s; }

/* swatch top (cor da marca) */
.stu-pcard::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--accent, var(--brass)); opacity: 0; transition: opacity .3s; z-index: 2; }
.stu-pcard:hover::before { opacity: 1; }

/* ═════════════════════════════════════════════
   FEATURED — DEEP DIVE (1 produto = 1 seção rica)
═════════════════════════════════════════════ */
.stu-feature { padding: clamp(80px, 10vw, 140px) 0; background: var(--feat-bg, var(--ink)); color: var(--bone); position: relative; overflow: hidden; }
.stu-feature::before { content: ''; position: absolute; inset: 0; background:
   radial-gradient(ellipse at 0% 0%, rgba(255,255,255,.08), transparent 50%),
   radial-gradient(ellipse at 100% 100%, var(--feat-accent-soft, rgba(201,169,97,.10)), transparent 55%);
  pointer-events: none; }
.stu-feature-inner { position: relative; display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(2.4rem, 5vw, 5rem); align-items: center; }
.stu-feature.flip .stu-feature-inner { grid-template-columns: 1.05fr 1fr; }
.stu-feature.flip .stu-feature-art { order: -1; }
.stu-feature-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 1.5rem; }
.stu-feature-mark { width: 56px; height: 56px; border-radius: var(--r-m); }
.stu-feature-eye  { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--feat-accent, var(--brass)); font-weight: 500; }
.stu-feature h2   { font-family: var(--f-display); font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 500; letter-spacing: -.02em; line-height: 1.04; margin-bottom: 1.4rem; color: var(--bone); }
.stu-feature h2 em{ font-style: italic; color: var(--feat-accent, var(--brass)); font-weight: 400; }
.stu-feature-lead { font-size: 1.1rem; color: var(--t-d-2); line-height: 1.65; max-width: 50ch; margin-bottom: 2.4rem; font-weight: 300; }
.stu-feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; margin-bottom: 2.6rem; }
.stu-feature-li   { display: flex; gap: 12px; }
.stu-feature-li i { color: var(--feat-accent, var(--brass)); font-size: 1.1rem; padding-top: 2px; }
.stu-feature-li b { display: block; font-family: var(--f-display); font-weight: 600; font-size: 1.02rem; color: var(--bone); margin-bottom: 3px; }
.stu-feature-li p { font-size: .85rem; color: var(--t-d-2); line-height: 1.55; font-weight: 300; }
.stu-feature-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.stu-feature-ctas .stu-btn-primary { background: var(--bone); color: var(--ink); }
.stu-feature-ctas .stu-btn-primary:hover { background: #fff; }
.stu-feature-ctas .stu-btn-ghost { color: var(--bone); border-color: var(--bd-d2); }
.stu-feature-ctas .stu-btn-ghost:hover { background: var(--bone); color: var(--ink); border-color: var(--bone); }

/* MOCKUP DEVICE (browser frame) */
.stu-feature-art { position: relative; }
.stu-mock { background: rgba(245,241,232,.05); border: 1px solid var(--bd-d2); border-radius: var(--r-l); padding: 14px; backdrop-filter: blur(8px); box-shadow: 0 40px 80px rgba(0,0,0,.4); }
.stu-mock-bar { display: flex; align-items: center; gap: 8px; padding-bottom: 12px; border-bottom: 1px solid var(--bd-d2); margin-bottom: 14px; }
.stu-mock-bar .dot { width: 10px; height: 10px; border-radius: 50%; }
.stu-mock-bar .dot.r { background: #FF5F57; }
.stu-mock-bar .dot.y { background: #FEBC2E; }
.stu-mock-bar .dot.g { background: #28C840; }
.stu-mock-bar .url { flex: 1; text-align: center; font-family: var(--f-mono); font-size: .68rem; color: var(--t-d-2); letter-spacing: .04em; }
.stu-mock-screen { background: var(--paper); color: var(--ink); border-radius: var(--r-m); aspect-ratio: 16/10; padding: 18px; display: flex; flex-direction: column; gap: 12px; position: relative; overflow: hidden; }
.stu-mock-row { display: flex; gap: 10px; align-items: center; }
.stu-mock-block { background: rgba(10,14,26,.05); border-radius: 6px; height: 18px; flex: 1; }
.stu-mock-block.s { flex: 0 0 80px; }
.stu-mock-block.tall { height: 38px; }
.stu-mock-pill { background: var(--feat-accent, var(--brass)); color: var(--ink); font-family: var(--f-mono); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; padding: 4px 10px; border-radius: var(--r-p); font-weight: 700; }
.stu-mock-card { background: rgba(10,14,26,.04); border-radius: 8px; padding: 12px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.stu-mock-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; flex: 1; }

/* ═════════════════════════════════════════════
   STUDIO / SOBRE
═════════════════════════════════════════════ */
.stu-studio { background: var(--bone); border-radius: var(--r-x); padding: clamp(2.4rem, 5vw, 4.4rem); display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: center; }
.stu-studio h2 { margin-bottom: 1.5rem; }
.stu-studio p  { color: var(--t-2); font-size: 1.04rem; line-height: 1.75; margin-bottom: 1rem; }
.stu-studio-pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.stu-pillar { background: var(--paper); border: 1px solid var(--bd); border-radius: var(--r-l); padding: 1.6rem; }
.stu-pillar-i { width: 38px; height: 38px; border-radius: 9px; background: var(--ink); color: var(--brass); display: inline-flex; align-items: center; justify-content: center; font-size: 1.05rem; margin-bottom: 1rem; }
.stu-pillar h4 { font-family: var(--f-display); font-size: 1.08rem; font-weight: 600; color: var(--ink); margin-bottom: .35rem; }
.stu-pillar p  { font-size: .87rem; color: var(--t-2); line-height: 1.6; margin: 0; }

/* ═════════════════════════════════════════════
   SATELLITES (Maximus, Kika)
═════════════════════════════════════════════ */
.stu-satgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.stu-satcard { background: var(--ink); color: var(--bone); border-radius: var(--r-x); padding: 2.4rem; display: flex; flex-direction: column; gap: 1.4rem; align-items: flex-start; transition: transform .3s; position: relative; overflow: hidden; }
.stu-satcard:hover { transform: translateY(-4px); }
.stu-satcard::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 100% 0%, var(--sat-accent-soft, rgba(201,169,97,.15)), transparent 65%); pointer-events: none; }
.stu-satcard > * { position: relative; }
.stu-satcard-mark { width: 72px; height: 72px; border-radius: 18px; flex-shrink: 0; background: color-mix(in srgb, var(--sat-accent, var(--brass)) 18%, rgba(255,255,255,.04)); padding: 10px; object-fit: contain; box-shadow: 0 12px 28px rgba(0,0,0,.25); }
.stu-satcard-name { font-family: var(--f-display); font-size: 1.55rem; font-weight: 600; color: var(--bone); margin-bottom: .35rem; line-height: 1.15; }
.stu-satcard-tag  { font-family: var(--f-mono); font-size: .62rem; letter-spacing: .2em; text-transform: uppercase; color: var(--sat-accent, var(--brass)); margin-bottom: .7rem; }
.stu-satcard-desc { color: var(--t-d-2); font-size: .92rem; line-height: 1.6; margin-bottom: 1rem; font-weight: 300; }
.stu-satcard-link { color: var(--bone); font-family: var(--f-mono); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 8px; }
.stu-satcard-link i { transition: transform .25s; }
.stu-satcard:hover .stu-satcard-link i { transform: translate(3px,-3px); }

/* ═════════════════════════════════════════════
   TRANSPORTE BANNER
═════════════════════════════════════════════ */
.stu-trans { background: var(--paper); border: 1px solid var(--bd); border-radius: var(--r-x); padding: 2.6rem; display: grid; grid-template-columns: 1fr 1fr; gap: 2.4rem; align-items: center; }
.stu-trans-art { position: relative; aspect-ratio: 16/10; background: var(--ink); border-radius: var(--r-l); overflow: hidden; display: flex; align-items: center; justify-content: center; padding: 2rem; }
.stu-trans-art img { max-height: 86%; max-width: 100%; object-fit: contain; filter: drop-shadow(0 18px 36px rgba(0,0,0,.45)); }
.stu-trans-art .stu-trans-tag { position: absolute; top: 14px; left: 14px; background: rgba(245,241,232,.95); color: var(--ink); font-family: var(--f-mono); font-size: .58rem; letter-spacing: .22em; text-transform: uppercase; padding: 5px 12px; border-radius: var(--r-p); font-weight: 600; }
.stu-trans h3 { font-family: var(--f-display); font-size: clamp(1.6rem, 2.6vw, 2.2rem); font-weight: 500; color: var(--ink); letter-spacing: -.01em; margin-bottom: 1rem; line-height: 1.1; }
.stu-trans p  { color: var(--t-2); margin-bottom: 1.6rem; line-height: 1.65; }
.stu-trans-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 1.8rem; }
.stu-trans-tag-i { font-family: var(--f-mono); font-size: .58rem; letter-spacing: .18em; text-transform: uppercase; padding: 5px 11px; border: 1px solid var(--bd); border-radius: var(--r-p); color: var(--t-3); }

/* ═════════════════════════════════════════════
   FOOTER STUDIO
═════════════════════════════════════════════ */
.stu-footer { background: var(--ink); color: var(--bone); padding: 5rem 0 2.2rem; margin-top: 6rem; }
.stu-foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 3rem; }
.stu-foot-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 1.4rem; }
.stu-foot-brand-mark { width: 36px; height: 36px; border-radius: 9px; }
.stu-foot-brand-name { font-family: var(--f-display); font-size: 1.25rem; font-weight: 600; color: var(--bone); }
.stu-foot p { color: var(--t-d-2); font-size: .92rem; line-height: 1.7; max-width: 38ch; font-weight: 300; }
.stu-foot-col h5 { font-family: var(--f-mono); font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--brass); margin-bottom: 1.2rem; font-weight: 500; }
.stu-foot-col a  { display: block; font-size: .9rem; color: var(--t-d-2); padding: 5px 0; transition: color .15s; }
.stu-foot-col a:hover { color: var(--bone); }
.stu-foot-bot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-top: 4rem; padding-top: 2.2rem; border-top: 1px solid var(--bd-d); font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--t-d-3); }
.stu-foot-bot a { color: var(--t-d-2); }
.stu-foot-bot a:hover { color: var(--bone); }

/* ═════════════════════════════════════════════
   /SISTEMAS — Vitrine completa
═════════════════════════════════════════════ */
.stu-pgintro { padding: clamp(80px, 11vw, 150px) 0 clamp(40px, 6vw, 70px); position: relative; }
.stu-pgintro::after { content: ''; position: absolute; left: var(--gut); right: var(--gut); bottom: 0; height: 1px; background: var(--bd); max-width: var(--col-max); margin: 0 auto; }
.stu-pgintro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: end; }
.stu-pgintro h1 { margin-bottom: 1.4rem; }
.stu-pgintro-num { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .22em; color: var(--t-3); text-transform: uppercase; display: flex; gap: 1.4rem; padding-top: 1.4rem; border-top: 1px solid var(--bd); }
.stu-pgintro-num strong { color: var(--ink); font-family: var(--f-display); font-weight: 600; }

/* ═════════════════════════════════════════════
   GRID GERAL DE PRODUTOS (vitrine completa em /sistemas)
═════════════════════════════════════════════ */
.stu-vit-section { padding: clamp(40px, 6vw, 70px) 0; }
.stu-vit-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 2.4rem; gap: 2rem; }
.stu-vit-head h3 { font-family: var(--f-display); font-size: 1.4rem; font-weight: 500; color: var(--ink); letter-spacing: -.01em; }
.stu-vit-head .stu-eyebrow { color: var(--brass-2); }

/* ═════════════════════════════════════════════
   RESPONSIVO
═════════════════════════════════════════════ */
@media (max-width: 980px) {
  .stu-hero-inner, .stu-sec-head, .stu-pgintro-grid, .stu-studio, .stu-trans { grid-template-columns: 1fr; gap: 2.4rem; }
  .stu-products, .stu-satgrid, .stu-feature-list { grid-template-columns: 1fr; }
  .stu-feature-inner { grid-template-columns: 1fr; gap: 2rem; }
  .stu-feature.flip .stu-feature-inner { grid-template-columns: 1fr; }
  .stu-feature.flip .stu-feature-art { order: 1; }
  .stu-foot-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .stu-hero-stats { gap: 1.4rem; flex-wrap: wrap; }
  .stu-nav { display: none; }
  .stu-header-cta .stu-btn-ghost { display: none; }
  .stu-mob-btn { display: inline-flex; }
  .stu-mob-menu { display: none; padding: 1rem var(--gut) 1.6rem; border-top: 1px solid var(--bd); background: var(--paper); flex-direction: column; gap: 4px; }
  .stu-mob-menu.open { display: flex; }
  .stu-mob-menu a { display: block; padding: 12px 14px; border-radius: var(--r-s); font-size: 1rem; color: var(--t-1); font-weight: 500; }
  .stu-mob-menu a:hover { background: rgba(10,14,26,.04); }
  .stu-mob-menu .sec { font-family: var(--f-mono); font-size: .58rem; letter-spacing: .22em; text-transform: uppercase; color: var(--t-3); padding: 14px 14px 6px; margin-top: .6rem; border-top: 1px solid var(--bd); }
  .stu-hero-art { max-width: 360px; margin: 1rem auto 0; }
}
@media (max-width: 600px) {
  :root { --gut: 1.25rem; }
  .stu-foot-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .stu-feature-list { grid-template-columns: 1fr; }
  .stu-pcard-top { padding: 1.6rem 1.6rem 1.2rem; }
  .stu-pcard-body { padding: 0 1.6rem 1.2rem; }
  .stu-pcard-foot { padding: 1.1rem 1.6rem; flex-direction: column; align-items: flex-start; gap: .8rem; }
}

/* ═════════════════════════════════════════════
   APP MODE — viewport travado (sem footer, sem scroll body)
═════════════════════════════════════════════ */
html:has(.stu-app), .stu-app { height: 100%; overflow: hidden; }
.stu-app main { height: calc(100vh - var(--h-h)); overflow: hidden; }

/* ═════════════════════════════════════════════
   WHATSAPP WEB SHELL — sidebar + chat
═════════════════════════════════════════════ */
.wa-shell { display: grid; grid-template-columns: 360px 1fr; height: 100%; background: var(--paper); position: relative; min-height: 0; }

/* SIDEBAR */
.wa-side { background: var(--paper); border-right: 1px solid var(--bd); display: flex; flex-direction: column; min-width: 0; }
.wa-side-head { padding: 14px 16px; border-bottom: 1px solid var(--bd); display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--bone); }
.wa-side-icobtn { width: 34px; height: 34px; border-radius: 50%; background: var(--paper); border: 1px solid var(--bd); color: var(--t-2); display: inline-flex; align-items: center; justify-content: center; font-size: .92rem; cursor: pointer; transition: color .15s, border-color .15s, background-color .15s; text-decoration: none; }
.wa-side-icobtn:hover { color: var(--ink); border-color: var(--bd-2); background: var(--paper); }
.wa-side-search { padding: 10px 16px; border-bottom: 1px solid var(--bd); position: relative; }
.wa-side-search i { position: absolute; left: 28px; top: 50%; transform: translateY(-50%); color: var(--t-3); font-size: .9rem; }
.wa-side-search input { width: 100%; background: var(--bone); border: 1px solid var(--bd); border-radius: var(--r-p); padding: 9px 16px 9px 38px; font-size: .88rem; color: var(--ink); font-family: var(--f-sans); outline: none; transition: border-color .15s; }
.wa-side-search input:focus { border-color: var(--ink); }
.wa-side-stats { padding: 8px 16px; border-bottom: 1px solid var(--bd); display: flex; align-items: center; gap: 8px; font-family: var(--f-mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--t-3); }
.wa-side-stats strong { color: var(--ink); font-family: var(--f-display); font-size: .8rem; font-weight: 600; letter-spacing: -.01em; text-transform: none; }
.wa-side-stats .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--t-3); }
.wa-side-list { flex: 1 1 0; min-height: 0; overflow-y: auto; }
.wa-side-empty { padding: 3rem 1.4rem; text-align: center; color: var(--t-3); font-size: .9rem; }
.wa-side-empty i { font-size: 2.4rem; display: block; margin-bottom: .6rem; }
.wa-side-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--bd); cursor: pointer; transition: background-color .12s; text-decoration: none; color: inherit; min-width: 0; }
.wa-side-item:hover { background: var(--bone); }
.wa-side-item.active { background: var(--bone); box-shadow: inset 3px 0 0 var(--brass); }
.wa-side-av { width: 46px; height: 46px; border-radius: 50%; color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--f-display); font-weight: 600; font-size: 1.05rem; flex-shrink: 0; letter-spacing: -.01em; }
.wa-side-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.wa-side-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.wa-side-name { font-family: var(--f-display); font-weight: 600; color: var(--ink); font-size: 1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; flex: 1; }
.wa-side-time { font-family: var(--f-mono); font-size: .62rem; color: var(--t-3); white-space: nowrap; letter-spacing: .04em; }
.wa-side-bot { display: flex; align-items: center; gap: 8px; }
.wa-side-prev { font-size: .82rem; color: var(--t-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; min-width: 0; }
.wa-side-prev i { margin-right: 4px; }

/* PAINEL CENTRAL */
.wa-main { background:
  linear-gradient(180deg, rgba(232,222,197,.25), rgba(232,222,197,.12)),
  repeating-linear-gradient(45deg, rgba(10,14,26,.012) 0 2px, transparent 2px 14px);
  display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: hidden; position: relative; }

.wa-welcome { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; padding: 3rem 2rem; text-align: center; }
.wa-welcome-trip { display: flex; gap: 2.4rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--bd); }
.wa-welcome-trip div { font-family: var(--f-mono); font-size: .62rem; letter-spacing: .2em; text-transform: uppercase; color: var(--t-3); }
.wa-welcome-trip strong { display: block; font-family: var(--f-display); font-size: 1.6rem; font-weight: 600; color: var(--ink); margin-bottom: 4px; letter-spacing: -.01em; text-transform: none; }

/* Chat header */
.wa-chat-head { padding: 12px 20px; background: var(--bone); border-bottom: 1px solid var(--bd); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-shrink: 0; }
.wa-chat-av { width: 42px; height: 42px; border-radius: 50%; color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--f-display); font-weight: 600; font-size: 1rem; flex-shrink: 0; letter-spacing: -.01em; }
.wa-chat-name { font-family: var(--f-display); font-weight: 600; color: var(--ink); font-size: 1.05rem; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wa-chat-sub  { font-family: var(--f-mono); font-size: .58rem; color: var(--t-3); letter-spacing: .14em; text-transform: uppercase; margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Chat body — scroll area */
.wa-chat-body { flex: 1 1 0; min-height: 0; overflow-y: auto; padding: 1.4rem 2rem 2rem; display: flex; flex-direction: column; gap: 4px; }

/* CHAT BUBBLES — herda de antes */
.wa-day { display: flex; justify-content: center; margin: 1rem 0 .6rem; }
.wa-day span { background: rgba(245,241,232,.95); color: var(--t-2); font-family: var(--f-mono); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; padding: 5px 14px; border-radius: var(--r-p); box-shadow: 0 1px 2px rgba(10,14,26,.05); border: 1px solid var(--bd); }
.wa-system { align-self: center; max-width: 80%; background: rgba(245,241,232,.86); color: var(--t-2); font-size: .82rem; padding: 7px 14px; border-radius: var(--r-p); border: 1px solid var(--bd); text-align: center; font-style: italic; margin: .3rem 0; display: inline-flex; align-items: center; gap: 6px; }
.wa-system i { color: var(--t-3); font-size: .78rem; }

.wa-bubble-row { display: flex; transition: outline-color .3s; outline: 2px solid transparent; outline-offset: 2px; }
.wa-bubble-row.me   { justify-content: flex-end; }
.wa-bubble-row.them { justify-content: flex-start; }
.wa-bubble { position: relative; max-width: 64%; background: #fff; border-radius: 10px; padding: 8px 12px 22px 12px; font-size: .96rem; color: var(--t-1); box-shadow: 0 1px 0.5px rgba(10,14,26,.08); line-height: 1.45; word-wrap: break-word; }
.wa-bubble.me   { background: #DCF7C5; border-bottom-right-radius: 2px; }
.wa-bubble.them { background: #FFFFFF; border-bottom-left-radius: 2px; }
.wa-bubble.me::before, .wa-bubble.them::before { content: ''; position: absolute; bottom: 0; width: 12px; height: 12px; background: inherit; }
.wa-bubble.me::before   { right: -5px;  clip-path: polygon(0 0, 100% 100%, 0 100%); }
.wa-bubble.them::before { left: -5px;   clip-path: polygon(100% 0, 100% 100%, 0 100%); }
.wa-author { font-size: .78rem; font-weight: 700; margin-bottom: 3px; letter-spacing: -.005em; }
.wa-text { white-space: pre-wrap; }
.wa-time { position: absolute; bottom: 4px; right: 10px; font-size: .68rem; color: rgba(10,14,26,.42); font-family: var(--f-sans); }

.wa-audio { display: flex; flex-direction: column; gap: 8px; min-width: 260px; max-width: 100%; }
.wa-audio audio { width: 100%; height: 36px; outline: none; }
.wa-audio-stub { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: rgba(10,14,26,.05); border-radius: 8px; color: var(--t-2); font-size: .85rem; }
.wa-audio-stub i { font-size: 1rem; color: var(--t-3); }
.wa-anexar { margin-left: auto; cursor: pointer; font-family: var(--f-mono); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); background: #fff; border: 1px solid var(--bd-2); padding: 5px 11px; border-radius: var(--r-p); display: inline-flex; align-items: center; gap: 5px; transition: background-color .15s; }
.wa-anexar:hover { background: var(--bone); }
.wa-anexar input { display: none; }

.wa-trans { background: rgba(63,166,107,.08); border: 1px solid rgba(63,166,107,.25); border-radius: 8px; padding: 8px 10px; }
.wa-trans-label { display: flex; align-items: center; gap: 6px; font-family: var(--f-mono); font-size: .58rem; letter-spacing: .16em; text-transform: uppercase; color: #0e7c66; font-weight: 600; margin-bottom: 4px; }
.wa-trans-text  { font-size: .88rem; color: var(--t-1); line-height: 1.5; white-space: pre-wrap; }
.wa-btn-mini { background: transparent; border: 1px dashed rgba(63,166,107,.45); color: #0e7c66; font-family: var(--f-mono); font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; padding: 7px 12px; border-radius: var(--r-p); cursor: pointer; width: 100%; display: inline-flex; align-items: center; justify-content: center; gap: 7px; transition: background-color .15s; }
.wa-btn-mini:hover { background: rgba(63,166,107,.12); }
.wa-btn-mini.erro  { color: #a4282a; border-color: #f5c4c4; }
.wa-btn-mini.erro:hover { background: rgba(220,53,69,.08); }
.wa-btn-mini:disabled { opacity: .5; cursor: not-allowed; }

.wa-media-stub { display: inline-flex; align-items: center; gap: 8px; background: rgba(10,14,26,.05); color: var(--t-2); padding: 10px 14px; border-radius: 8px; font-size: .88rem; text-decoration: none; }
.wa-media-stub i { color: var(--t-3); font-size: 1rem; }

@media (max-width: 900px) {
  .wa-shell { grid-template-columns: 1fr; }
  .wa-side { display: none; }
  .wa-bubble { max-width: 86%; font-size: .92rem; }
}

/* ═════════════════════════════════════════════
   CHAT WHATSAPP (legado — mantido caso usado em outras views)
═════════════════════════════════════════════ */
.wa-chat {
  background:
    linear-gradient(180deg, rgba(232,222,197,.35), rgba(232,222,197,.18)),
    repeating-linear-gradient(45deg, rgba(10,14,26,.015) 0 2px, transparent 2px 14px);
  border: 1px solid var(--bd);
  border-radius: var(--r-l);
  padding: 1.4rem 1.4rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.wa-day { display: flex; justify-content: center; margin: 1rem 0 .6rem; }
.wa-day span { background: rgba(245,241,232,.95); color: var(--t-2); font-family: var(--f-mono); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; padding: 5px 14px; border-radius: var(--r-p); box-shadow: 0 1px 2px rgba(10,14,26,.05); border: 1px solid var(--bd); }
.wa-system { align-self: center; max-width: 80%; background: rgba(245,241,232,.86); color: var(--t-2); font-size: .82rem; padding: 7px 14px; border-radius: var(--r-p); border: 1px solid var(--bd); text-align: center; font-style: italic; margin: .3rem 0; display: inline-flex; align-items: center; gap: 6px; }
.wa-system i { color: var(--t-3); font-size: .78rem; }

.wa-bubble-row { display: flex; }
.wa-bubble-row.me   { justify-content: flex-end; }
.wa-bubble-row.them { justify-content: flex-start; }
.wa-bubble {
  position: relative;
  max-width: 72%;
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px 22px 12px;
  font-size: .96rem;
  color: var(--t-1);
  box-shadow: 0 1px 0.5px rgba(10,14,26,.08);
  line-height: 1.45;
  word-wrap: break-word;
}
.wa-bubble.me   { background: #DCF7C5; border-bottom-right-radius: 2px; }
.wa-bubble.them { background: #FFFFFF; border-bottom-left-radius: 2px; }
.wa-bubble.me::before, .wa-bubble.them::before {
  content: ''; position: absolute; bottom: 0; width: 12px; height: 12px;
  background: inherit;
}
.wa-bubble.me::before   { right: -5px;  clip-path: polygon(0 0, 100% 100%, 0 100%); }
.wa-bubble.them::before { left: -5px;   clip-path: polygon(100% 0, 100% 100%, 0 100%); }
.wa-author { font-size: .78rem; font-weight: 700; margin-bottom: 3px; letter-spacing: -.005em; }
.wa-text { white-space: pre-wrap; }
.wa-time { position: absolute; bottom: 4px; right: 10px; font-size: .68rem; color: rgba(10,14,26,.42); font-family: var(--f-sans); }

.wa-audio { display: flex; flex-direction: column; gap: 8px; min-width: 280px; max-width: 100%; }
.wa-audio audio { width: 100%; height: 36px; outline: none; }
.wa-audio-stub { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: rgba(10,14,26,.05); border-radius: 8px; color: var(--t-2); font-size: .85rem; }
.wa-audio-stub i { font-size: 1rem; color: var(--t-3); }
.wa-anexar { margin-left: auto; cursor: pointer; font-family: var(--f-mono); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); background: #fff; border: 1px solid var(--bd-2); padding: 5px 11px; border-radius: var(--r-p); display: inline-flex; align-items: center; gap: 5px; transition: background-color .15s; }
.wa-anexar:hover { background: var(--bone); }
.wa-anexar input { display: none; }

.wa-trans { background: rgba(63,166,107,.08); border: 1px solid rgba(63,166,107,.25); border-radius: 8px; padding: 8px 10px; }
.wa-trans-label { display: flex; align-items: center; gap: 6px; font-family: var(--f-mono); font-size: .58rem; letter-spacing: .16em; text-transform: uppercase; color: #0e7c66; font-weight: 600; margin-bottom: 4px; }
.wa-trans-text  { font-size: .88rem; color: var(--t-1); line-height: 1.5; white-space: pre-wrap; }
.wa-btn-mini { background: transparent; border: 1px dashed rgba(63,166,107,.45); color: #0e7c66; font-family: var(--f-mono); font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; padding: 7px 12px; border-radius: var(--r-p); cursor: pointer; width: 100%; display: inline-flex; align-items: center; justify-content: center; gap: 7px; transition: background-color .15s; }
.wa-btn-mini:hover { background: rgba(63,166,107,.12); }
.wa-btn-mini.erro  { color: #a4282a; border-color: #f5c4c4; }
.wa-btn-mini.erro:hover { background: rgba(220,53,69,.08); }
.wa-btn-mini:disabled { opacity: .5; cursor: not-allowed; }

.wa-media-stub { display: inline-flex; align-items: center; gap: 8px; background: rgba(10,14,26,.05); color: var(--t-2); padding: 10px 14px; border-radius: 8px; font-size: .88rem; }
.wa-media-stub i { color: var(--t-3); font-size: 1rem; }

@media (max-width: 600px) {
  .wa-bubble { max-width: 86%; font-size: .92rem; }
  .wa-audio { min-width: 220px; }
}

/* ═════════════════════════════════════════════
   MANIFESTO (pull quote editorial)
═════════════════════════════════════════════ */
.stu-manifesto { background: var(--bone); border-top: 1px solid var(--bd); border-bottom: 1px solid var(--bd); padding: clamp(80px, 10vw, 140px) 0; position: relative; overflow: hidden; }
.stu-manifesto::before { content: '“'; position: absolute; top: -40px; left: 5%; font-family: var(--f-display); font-size: 28rem; line-height: 1; color: var(--brass); opacity: .12; font-weight: 500; pointer-events: none; }
.stu-manifesto-inner { position: relative; max-width: 980px; margin: 0 auto; padding: 0 var(--gut); text-align: center; }
.stu-manifesto-eye { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--brass-2); margin-bottom: 1.8rem; font-weight: 500; }
.stu-manifesto-quote { font-family: var(--f-display); font-size: clamp(1.6rem, 3.4vw, 2.6rem); font-weight: 500; font-style: italic; line-height: 1.25; color: var(--ink); letter-spacing: -.01em; margin-bottom: 2.4rem; }
.stu-manifesto-quote em { color: var(--brass-2); font-style: italic; }
.stu-manifesto-sig { display: inline-flex; align-items: center; gap: 16px; padding: 1.2rem 1.8rem; background: var(--paper); border: 1px solid var(--bd); border-radius: var(--r-p); }
.stu-manifesto-sig-mark { width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: var(--brass); font-family: var(--f-display); font-weight: 600; font-size: 1rem; display: flex; align-items: center; justify-content: center; }
.stu-manifesto-sig-txt { text-align: left; font-family: var(--f-display); font-size: 1.02rem; color: var(--ink); font-weight: 500; }
.stu-manifesto-sig-txt small { display: block; font-family: var(--f-mono); font-size: .58rem; letter-spacing: .18em; text-transform: uppercase; color: var(--t-3); margin-top: 3px; font-weight: 500; }

/* ═════════════════════════════════════════════
   TIMELINE (2004 → hoje)
═════════════════════════════════════════════ */
.stu-timeline { padding: clamp(60px, 8vw, 120px) 0; background: var(--paper); }
.stu-timeline-inner { position: relative; max-width: var(--col-max); margin: 0 auto; padding: 0 var(--gut); }
.stu-timeline-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; margin-top: 3rem; }
.stu-timeline-track::before { content: ''; position: absolute; top: 22px; left: 0; right: 0; height: 1px; background: var(--bd); }
.stu-timeline-track::after  { content: ''; position: absolute; top: 22px; left: 0; height: 1px; background: var(--brass); width: 60%; transition: width 1.6s ease; }
.stu-timeline-item { position: relative; padding: 56px 1.2rem 0; text-align: left; border-right: 1px dashed var(--bd); }
.stu-timeline-item:last-child { border-right: none; }
.stu-timeline-item::before { content: ''; position: absolute; top: 14px; left: 1.2rem; width: 16px; height: 16px; border-radius: 50%; background: var(--paper); border: 2px solid var(--brass); }
.stu-timeline-item.first::before { background: var(--brass); }
.stu-timeline-item.now::before { background: var(--ink); border-color: var(--ink); }
.stu-timeline-year { font-family: var(--f-display); font-size: 1.6rem; font-weight: 600; color: var(--ink); letter-spacing: -.02em; line-height: 1; }
.stu-timeline-title { font-family: var(--f-sans); font-size: .9rem; font-weight: 600; color: var(--ink); margin-top: .8rem; margin-bottom: .35rem; line-height: 1.3; }
.stu-timeline-desc { font-size: .82rem; color: var(--t-2); line-height: 1.55; }

/* ═════════════════════════════════════════════
   FUNDADORES (cartões Pablo & Paulo)
═════════════════════════════════════════════ */
.stu-founders { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.stu-founder { background: var(--paper); border: 1px solid var(--bd); border-radius: var(--r-l); padding: 1.8rem; display: flex; gap: 1.2rem; align-items: center; transition: border-color .2s, transform .2s, box-shadow .2s; }
.stu-founder:hover { border-color: var(--bd-2); transform: translateY(-2px); box-shadow: 0 14px 32px rgba(10,14,26,.08); }
.stu-founder-av { width: 64px; height: 64px; border-radius: 50%; background: var(--ink); color: var(--brass); display: flex; align-items: center; justify-content: center; font-family: var(--f-display); font-weight: 600; font-size: 1.6rem; flex-shrink: 0; box-shadow: 0 8px 18px rgba(10,14,26,.18); }
.stu-founder-meta { flex: 1; min-width: 0; }
.stu-founder-name { font-family: var(--f-display); font-size: 1.15rem; font-weight: 600; color: var(--ink); line-height: 1.2; }
.stu-founder-role { font-family: var(--f-mono); font-size: .58rem; letter-spacing: .2em; text-transform: uppercase; color: var(--t-3); margin-top: 4px; font-weight: 500; }
.stu-founder-wa { width: 38px; height: 38px; border-radius: 50%; background: #e8fce9; color: #25D366; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; transition: transform .2s; }
.stu-founder:hover .stu-founder-wa { transform: scale(1.1); }

/* ═════════════════════════════════════════════
   POSTER FINAL (signature do site)
═════════════════════════════════════════════ */
.stu-poster { background: var(--ink); color: var(--bone); padding: clamp(90px, 12vw, 160px) 0; text-align: center; position: relative; overflow: hidden; }
.stu-poster::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(201,169,97,.14), transparent 60%); }
.stu-poster-inner { position: relative; max-width: 880px; margin: 0 auto; padding: 0 var(--gut); }
.stu-poster-mark { width: 78px; height: 78px; border-radius: var(--r-l); margin: 0 auto 2rem; display: block; box-shadow: 0 20px 40px rgba(0,0,0,.4); }
.stu-poster h2 { font-family: var(--f-display); font-style: italic; font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 500; line-height: 1.1; letter-spacing: -.02em; color: var(--bone); margin-bottom: 1.8rem; }
.stu-poster h2 em { color: var(--brass); font-style: italic; }
.stu-poster p { color: var(--t-d-2); font-size: 1.05rem; max-width: 50ch; margin: 0 auto 2.6rem; line-height: 1.7; font-weight: 300; }
.stu-poster-meta { display: flex; align-items: center; justify-content: center; gap: 12px; font-family: var(--f-mono); font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--t-d-3); margin-top: 2.4rem; }
.stu-poster-meta span { width: 24px; height: 1px; background: var(--t-d-3); }

@media (max-width: 980px) {
  .stu-timeline-track { grid-template-columns: 1fr; }
  .stu-timeline-track::before, .stu-timeline-track::after { display: none; }
  .stu-timeline-item { border-right: none; border-bottom: 1px dashed var(--bd); padding: 1.4rem 0 1.4rem 2.8rem; }
  .stu-timeline-item:last-child { border-bottom: none; }
  .stu-timeline-item::before { left: 0; top: 1.6rem; }
  .stu-founders { grid-template-columns: 1fr; }
}

/* ── revelar on scroll ── */
.stu-reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.stu-reveal.on { opacity: 1; transform: translateY(0); }
.stu-reveal.d1 { transition-delay: .1s; } .stu-reveal.d2 { transition-delay: .2s; } .stu-reveal.d3 { transition-delay: .3s; } .stu-reveal.d4 { transition-delay: .4s; }