/* =========================================================
   INSTITUCIONAL — BitOne Solutions
   Paleta extraída do logótipo: vermelho / laranja / dourado /
   verde, sobre base grafite/preto e branco-cinza.
   ========================================================= */

:root {
  --ink-900: #16110f;      /* grafite muito escuro, quente (fundo "trust") */
  --ink-800: #221b17;
  --navy: #1f1f21;         /* grafite/preto — cor principal "bit" do logótipo */
  --navy-2: #35322f;
  --cyan: #D1172B;         /* vermelho — cor principal "One" do logótipo */
  --cyan-2: #a4111f;       /* vermelho mais escuro (hover) */
  --orange: #E28751;       /* laranja do logótipo */
  --gold: #F4C447;         /* dourado do logótipo */
  --green: #2E7D32;        /* verde do logótipo (detalhe/crescimento) */
  --green-2: #1b5e20;
  --grey-50: #f8f7f6;
  --grey-100: #f0eeec;
  --grey-200: #e5e1dd;
  --grey-400: #a39d95;
  --grey-600: #635c54;
  --grey-800: #2b2724;
  --shadow-soft: 0 10px 30px -12px rgba(31,31,33,0.22);
  --shadow-card: 0 4px 18px -6px rgba(31,31,33,0.14);
  --radius-lg: 18px;
  --radius-md: 12px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.institutional {
  font-family: 'Inter', 'Manrope', system-ui, -apple-system, sans-serif;
  color: var(--grey-800);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

.institutional h1, .institutional h2, .institutional h3, .institutional h4 {
  font-family: 'Manrope', 'Inter', sans-serif;
  letter-spacing: -0.01em;
}

/* ---------- Utility gradients / text ---------- */
.text-gradient {
  background: linear-gradient(90deg, var(--cyan) 0%, var(--green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.bg-navy { background-color: var(--navy); }
.bg-ink { background-color: var(--ink-900); }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-2);
  margin-bottom: 0.75rem;
}
.section-eyebrow::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
}

/* ---------- Header ---------- */
/* Fundo claro (quase branco) para não "cortar" o logótipo transparente,
   mantendo continuidade visual com o Hero (também branco). */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid rgba(31,31,33,0.07);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
#site-header.scrolled {
  background: rgba(255,255,255,0.97);
  border-bottom-color: var(--grey-200);
  box-shadow: 0 6px 24px -10px rgba(31,31,33,0.16);
}
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--orange) 60%, var(--gold) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1.05rem;
  box-shadow: 0 4px 14px -4px rgba(209,23,43,0.55);
  flex-shrink: 0;
  overflow: hidden;
}
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }

/* Logo wrapper (header + footer) — fundo transparente, sem caixa */
.brand-logo-wrap {
  display: inline-flex;
  align-items: center;
}
/* Tamanho aumentado (+~17% face aos 48px anteriores) */
.brand-logo-img { height: 56px; width: auto; display: block; }
@media (max-width: 420px) { .brand-logo-img { height: 44px; } }
.nav-link {
  color: var(--grey-800);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.15rem;
  position: relative;
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--cyan); }
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  transition: width 0.25s ease;
}
.nav-link:hover::after { width: 100%; }

.btn-cta {
  background: linear-gradient(90deg, var(--cyan) 0%, var(--orange) 100%);
  color: #fff;
  font-weight: 700;
  padding: 0.65rem 1.35rem;
  border-radius: 999px;
  font-size: 0.88rem;
  box-shadow: 0 8px 20px -8px rgba(209,23,43,0.6);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  display: inline-flex; align-items: center; gap: 0.5rem;
  white-space: nowrap;
}
.btn-cta:hover { transform: translateY(-2px); filter: brightness(1.06); box-shadow: 0 12px 26px -8px rgba(209,23,43,0.75); }

.btn-outline-light {
  border: 1.5px solid rgba(255,255,255,0.35);
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1.35rem;
  border-radius: 999px;
  font-size: 0.9rem;
  transition: border-color 0.2s ease, background 0.2s ease;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-outline-light:hover { border-color: var(--cyan); background: rgba(255,255,255,0.06); }

.btn-outline-dark {
  border: 1.5px solid var(--grey-200);
  color: var(--navy);
  font-weight: 600;
  padding: 0.65rem 1.35rem;
  border-radius: 999px;
  font-size: 0.9rem;
  transition: border-color 0.2s ease, background 0.2s ease;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-outline-dark:hover { border-color: var(--cyan); background: var(--grey-50); }

.btn-primary-navy {
  background: var(--navy);
  color: #fff;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-size: 0.92rem;
  display: inline-flex; align-items: center; gap: 0.55rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, background 0.2s ease;
}
.btn-primary-navy:hover { transform: translateY(-2px); background: var(--navy-2); }

.btn-ghost-navy {
  border: 1.5px solid var(--grey-200);
  color: var(--navy);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-size: 0.92rem;
  display: inline-flex; align-items: center; gap: 0.55rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.btn-ghost-navy:hover { border-color: var(--cyan); background: var(--grey-50); }

/* Mobile menu */
#mobile-menu { transition: max-height 0.3s ease, opacity 0.25s ease; }
#mobile-menu.hidden { display: none; }

/* ---------- Hero (fundo branco) ---------- */
#hero {
  background: linear-gradient(180deg, #ffffff 0%, #ffffff 75%, var(--grey-50) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 168px;
}
#hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(31,31,33,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,31,33,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(60% 60% at 70% 30%, black 0%, transparent 75%);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  width: 620px; height: 620px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(226,135,81,0.22) 0%, transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}
.trust-bar-item {
  display: flex; align-items: center; gap: 0.6rem;
  color: var(--grey-800); font-size: 0.85rem; font-weight: 500;
}
.trust-bar-item i { color: var(--green); }

/* Hero graphic composition — v2
   Núcleo com anel em gradiente cónico (cores do logótipo) + cartões
   de serviço uniformes, cada um com um tom de destaque diferente da
   paleta da marca (vermelho / laranja / dourado / verde / grafite). */
.hero-graphic { position: relative; width: 100%; max-width: 480px; margin: 0 auto; padding: 30px 24px; }

.hg-ring-wrap {
  width: 236px; height: 236px;
  margin: 0 auto;
  border-radius: 999px;
  background: conic-gradient(from 0deg, var(--cyan), var(--orange), var(--gold), var(--green), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  padding: 7px;
  box-shadow: 0 20px 46px -18px rgba(31,31,33,0.35);
  animation: spin-slow 20s linear infinite;
}
.hg-core {
  width: 100%; height: 100%;
  border-radius: 999px;
  background: #ffffff;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(31,31,33,0.05);
  animation: spin-slow-reverse 20s linear infinite;
}
.hg-core i { font-size: 3.2rem; color: var(--navy); }
.hg-caption {
  text-align: center;
  margin-top: 1.1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-400);
}
@keyframes spin-slow { to { transform: rotate(360deg); } }
@keyframes spin-slow-reverse { to { transform: rotate(-360deg); } }

.hg-card {
  position: absolute;
  display: flex; align-items: center; gap: 0.7rem;
  background: #ffffff;
  border: 1px solid var(--grey-200);
  border-left: 3px solid var(--accent-color, var(--cyan));
  border-radius: var(--radius-md);
  padding: 0.75rem 1.05rem 0.75rem 0.9rem;
  box-shadow: 0 14px 30px -16px rgba(31,31,33,0.22);
  color: var(--grey-800);
  font-weight: 600;
  font-size: 0.84rem;
  white-space: nowrap;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hg-card:hover { transform: translateY(-3px); box-shadow: 0 18px 34px -16px rgba(31,31,33,0.3); }
.hg-card-icon {
  width: 32px; height: 32px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  background: var(--accent-bg, rgba(209,23,43,0.12));
  color: var(--accent-color, var(--cyan));
}

/* ---------- Cards / Sections ---------- */
.section-pad { padding: 5.5rem 0; }
@media (max-width: 768px) { .section-pad { padding: 3.5rem 0; } }

.value-card {
  background: #fff;
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: rgba(209,23,43,0.3); }

/* Variante escura dos cartões (usada na secção "Proposta de valor", agora com fundo escuro) */
.value-card-dark {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
}
.value-card-dark:hover { border-color: rgba(226,135,81,0.4); background: rgba(255,255,255,0.06); }
.value-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1.1rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  padding: 2.1rem;
  display: flex; flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.service-icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 1.3rem;
}
.service-list { list-style: none; margin: 1.2rem 0; padding: 0; flex-grow: 1; }
.service-list li {
  display: flex; align-items: flex-start; gap: 0.55rem;
  font-size: 0.87rem; color: var(--grey-600);
  padding: 0.32rem 0;
  line-height: 1.35;
}
.service-list li i { color: var(--green); margin-top: 0.2rem; font-size: 0.75rem; }

.problem-item {
  display: flex; align-items: flex-start; gap: 0.85rem;
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  font-size: 0.9rem;
  color: var(--grey-800);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.problem-item:hover { border-color: rgba(209,23,43,0.4); background: #fff; }
.problem-item i { color: var(--cyan); margin-top: 0.15rem; }

.sector-chip {
  cursor: pointer;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  border: 1.5px solid var(--grey-200);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--grey-600);
  transition: all 0.2s ease;
  white-space: nowrap;
}
.sector-chip.active, .sector-chip:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}
.sector-panel { display: none; }
.sector-panel.active { display: block; }

.method-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.4rem;
  text-align: left;
  height: 100%;
}
.method-num {
  width: 40px; height: 40px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--navy));
  color: #fff; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.diff-item {
  display: flex; align-items: flex-start; gap: 0.75rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--grey-200);
}
.diff-item:last-child { border-bottom: none; }
.diff-item i { color: var(--cyan-2); margin-top: 0.2rem; }

.result-stat {
  background: linear-gradient(160deg, var(--navy) 0%, var(--ink-900) 100%);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.4rem;
  color: #fff;
}
.result-stat i { color: var(--green); }

/* Forms */
.form-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--grey-800);
  margin-bottom: 0.4rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1.5px solid var(--grey-200);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  font-size: 0.9rem;
  color: var(--grey-800);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(209,23,43,0.15);
}
.form-field .field-error {
  font-size: 0.75rem;
  color: #dc2626;
  margin-top: 0.3rem;
  display: none;
}
.form-field.invalid input,
.form-field.invalid select,
.form-field.invalid textarea { border-color: #dc2626; }
.form-field.invalid .field-error { display: block; }

/* Fade-in on scroll */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Toast (institutional) */
#inst-toast {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 200;
  background: var(--navy);
  color: #fff;
  padding: 0.9rem 1.3rem;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  font-size: 0.88rem;
  display: flex; align-items: center; gap: 0.6rem;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
  max-width: 320px;
}
#inst-toast.show { transform: translateY(0); opacity: 1; }
#inst-toast.error { background: #7f1d1d; }
#inst-toast i { color: var(--green); }
#inst-toast.error i { color: #fca5a5; }

/* WhatsApp floating button */
#whatsapp-float {
  position: fixed;
  bottom: 24px; left: 24px;
  z-index: 90;
  width: 56px; height: 56px;
  border-radius: 999px;
  background: #25D366;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 10px 24px -8px rgba(0,0,0,0.35);
  transition: transform 0.2s ease;
}
#whatsapp-float:hover { transform: translateY(-3px) scale(1.05); }

/* Footer */
#site-footer { background: var(--ink-900); color: #cbd5e1; }
#site-footer a { color: #cbd5e1; transition: color 0.2s ease; }
#site-footer a:hover { color: var(--cyan); }
#site-footer h4 { color: #fff; font-size: 0.9rem; font-weight: 700; margin-bottom: 1rem; letter-spacing: 0.02em; }

/* Scrollbar niceties (optional, harmless) */
::selection { background: var(--gold); color: #1f1f21; }