/* =============================================================
   BSL Consulting in IT and AI — Design System v2 (editorial)
   Preto / cinza-escuro / cinza-claro / azul de destaque
   ============================================================= */

:root {
  /* Cores base */
  --black: #07070a;
  --dark-1: #0d0d11;
  --dark-2: #141418;
  --dark-3: #1b1b21;
  --border-dark: #26262e;

  --light-1: #f4f5f7;
  --light-2: #ebedf1;
  --border-light: #dde0e6;

  --text-dark: #eef0f4;
  --text-dark-muted: #9a9fac;
  --text-light: #101114;
  --text-light-muted: #585d6a;

  /* Azul de destaque — tons extraídos da logo BSL */
  --blue: #2f6fed;
  --blue-strong: #2358c9;
  --blue-deep: #13224f;
  --blue-vivid: #0e4bff;
  --blue-soft: rgba(47, 111, 237, 0.12);
  --blue-glow: rgba(47, 111, 237, 0.35);
  --charcoal: #26272c;

  /* Header — barra clara, mesmo ambiente em que a logo nasceu */
  --header-bg: rgba(250, 250, 251, 0.78);
  --header-bg-solid: rgba(250, 250, 251, 0.96);
  --header-border: rgba(15, 15, 20, 0.08);
  --header-text: #24252b;
  --header-text-muted: #70727d;

  /* Tipografia */
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Layout */
  --max-width: 1280px;
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 104px; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Text utilities ---------- */
.num-tag {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  color: var(--blue);
  font-weight: 600;
}

.text-outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--blue);
  text-stroke: 1.5px var(--blue);
}
@supports not (-webkit-text-stroke: 1px #000) {
  .text-outline { color: var(--blue); -webkit-text-stroke: 0; }
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--blue);
  position: relative;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), gap var(--transition);
}
.link-arrow:hover { border-color: var(--blue); gap: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 6px 22px rgba(37, 99, 235, 0.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(37, 99, 235, 0.45); background: var(--blue-strong); }
.btn-outline {
  background: transparent;
  color: var(--text-dark);
  border-color: var(--border-dark);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.btn-dark {
  background: var(--black);
  color: #fff;
}
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.btn-lg { padding: 19px 40px; font-size: 1.02rem; }
.btn-block { width: 100%; border-radius: var(--radius-sm); }

/* =============================================================
   HEADER
   ============================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: var(--header-bg-solid);
  border-bottom-color: var(--header-border);
  box-shadow: 0 4px 24px rgba(15, 15, 20, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img { height: 46px; width: auto; display: block; }
.logo-footer img { height: 40px; }

.logo-chip {
  display: inline-flex;
  align-items: center;
  background: #fff;
  padding: 12px 20px;
  border-radius: 14px;
}

.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--header-text-muted);
  transition: color var(--transition);
  padding: 10px 18px;
}
.nav-link .nav-link-num {
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--blue);
  opacity: 0.8;
}
.nav-link:hover, .nav-link.active { color: var(--header-text); }
.nav-link.active .nav-link-num { opacity: 1; }

.nav-cta { flex-shrink: 0; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: transparent;
  border: 1px solid var(--header-border);
  border-radius: 999px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--header-text);
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================================
   PAGE HERO (topo de páginas internas)
   ============================================================= */
.page-hero {
  position: relative;
  padding: 190px 0 90px;
  background: var(--black);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 60% at 85% 0%, var(--blue-deep) 0%, transparent 60%);
  opacity: 0.6;
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 24px;
}
.page-kicker::before {
  content: '';
  width: 26px; height: 1px;
  background: var(--blue);
}
.page-title {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1;
  max-width: 900px;
  margin-bottom: 26px;
}
.page-intro {
  font-size: 1.1rem;
  color: var(--text-dark-muted);
  max-width: 620px;
}
.page-intro strong { color: var(--text-dark); }

/* =============================================================
   HOME — HERO
   ============================================================= */
.hero-editorial {
  position: relative;
  padding: 200px 0 0;
  background: var(--black);
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 20%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 20%, black 0%, transparent 70%);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 45% at 78% 15%, var(--blue-deep) 0%, transparent 65%);
  opacity: 0.7;
  pointer-events: none;
}

.hero-kicker {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 28px;
}
.hero-kicker::before { content: ''; width: 26px; height: 1px; background: var(--blue); }

.display-title {
  position: relative;
  font-size: clamp(2.8rem, 8vw, 6.4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  max-width: 1000px;
  margin-bottom: 40px;
}
.display-title span { display: block; }

.hero-foot {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border-dark);
}
.hero-desc-editorial {
  font-size: 1.08rem;
  color: var(--text-dark-muted);
  max-width: 480px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* =============================================================
   MARQUEE
   ============================================================= */
.marquee-band {
  position: relative;
  background: var(--blue);
  overflow: hidden;
  padding: 16px 0;
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 40px;
  animation: marquee 26s linear infinite;
}
.marquee-track span {
  display: flex;
  align-items: center;
  gap: 40px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(7, 7, 10, 0.92);
  white-space: nowrap;
}
.marquee-track span::after { content: '◆'; font-size: 0.6rem; color: rgba(7,7,10,0.5); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* =============================================================
   SECTIONS generic
   ============================================================= */
.section { padding: 120px 0; }
.section-dark { background: var(--black); }
.section-light { background: var(--light-1); color: var(--text-light); }
.section-light .section-sub { color: var(--text-light-muted); }

.section-head-editorial {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}
.section-head-editorial h2 { font-size: clamp(2rem, 3.4vw, 2.9rem); }
.section-label-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 56px;
}
.section-index {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--blue);
  letter-spacing: 0.06em;
}
.section-label-row h2 { font-size: clamp(2rem, 3.4vw, 2.9rem); }

/* =============================================================
   SERVICES — linhas numeradas
   ============================================================= */
.service-rows { border-top: 1px solid var(--border-dark); }
.service-row {
  display: grid;
  grid-template-columns: 90px 1fr 1.3fr;
  gap: 40px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid var(--border-dark);
  transition: background var(--transition);
}
.service-row:hover { background: rgba(59, 130, 246, 0.04); }
.service-num { font-family: var(--font-display); font-size: 1.4rem; color: var(--blue); }
.service-row h3 { font-size: 1.5rem; }
.service-row p { color: var(--text-dark-muted); max-width: 480px; }

/* =============================================================
   MANIFESTO — bloco cheio azul
   ============================================================= */
.manifesto-block {
  position: relative;
  background: linear-gradient(135deg, var(--blue-strong) 0%, var(--blue-vivid) 55%, #0a2a8f 100%);
  padding: 130px 0;
  overflow: hidden;
}
.manifesto-block::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.5;
}
.manifesto-text {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 3.1rem);
  line-height: 1.25;
  color: #fff;
  max-width: 980px;
  letter-spacing: -0.01em;
}
.manifesto-attrib {
  position: relative;
  display: block;
  margin-top: 36px;
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* =============================================================
   PROJECTS — linhas editoriais
   ============================================================= */
.project-rows { border-top: 1px solid var(--border-dark); }
.project-row {
  display: grid;
  grid-template-columns: 90px 1.4fr 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 44px 0;
  border-bottom: 1px solid var(--border-dark);
  transition: background var(--transition), padding-left var(--transition);
}
.project-row:hover { background: rgba(59, 130, 246, 0.04); padding-left: 12px; }
.project-row-num { font-family: var(--font-display); font-size: 1.3rem; color: var(--blue); }
.project-row-main h3 {
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.project-row-main p { color: var(--text-dark-muted); max-width: 460px; font-size: 0.96rem; }
.badge-example {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}
.project-row-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.project-row-tags li {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dark-muted);
  background: var(--dark-3);
  border: 1px solid var(--border-dark);
  padding: 5px 12px;
  border-radius: 999px;
}
.project-row-cta { justify-self: end; }

/* =============================================================
   CTA BANNER
   ============================================================= */
.cta-banner { background: var(--black); padding: 100px 0; border-top: 1px solid var(--border-dark); }
.cta-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-banner h2 {
  font-size: clamp(1.8rem, 3.6vw, 3rem);
  max-width: 640px;
  line-height: 1.1;
}

/* =============================================================
   QUEM SOMOS — story / founders / values
   ============================================================= */
.story-block {
  padding: 0 0 100px;
  background: var(--black);
}
.story-quote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1.35;
  max-width: 900px;
  color: var(--text-dark);
}
.story-quote strong { color: var(--blue); font-weight: 600; }

.founders-list { border-top: 1px solid var(--border-dark); }
.founder-row {
  display: grid;
  grid-template-columns: 140px 1fr 1.4fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--border-dark);
}
.founder-row:nth-child(even) { direction: rtl; }
.founder-row:nth-child(even) > * { direction: ltr; }

.founder-avatar-editorial {
  width: 140px; height: 140px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--dark-3) 100%);
  border: 1px solid var(--border-dark);
}
.founder-role-block .num-tag { display: block; margin-bottom: 10px; }
.founder-role-block h3 { font-size: 1.6rem; margin-bottom: 8px; }
.founder-role-block p { color: var(--blue); font-weight: 600; font-size: 0.9rem; }
.founder-bio-editorial { color: var(--text-dark-muted); font-size: 1rem; max-width: 480px; }

.values-strip {
  display: flex;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  overflow-x: auto;
}
.value-cell {
  flex: 1 1 0;
  min-width: 160px;
  padding: 40px 28px;
  border-right: 1px solid var(--border-dark);
  transition: background var(--transition);
}
.value-cell:last-child { border-right: none; }
.value-cell:hover { background: rgba(59, 130, 246, 0.05); }
.value-cell .num-tag { display: block; margin-bottom: 18px; font-size: 0.85rem; }
.value-cell span { display: block; font-weight: 600; font-size: 1.05rem; }

/* =============================================================
   CONTATO — editorial
   ============================================================= */
.contact-editorial-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
}

.contact-info-editorial { display: flex; flex-direction: column; gap: 0; }
.contact-info-editorial .contact-lead {
  font-size: 1.15rem;
  color: var(--text-dark-muted);
  margin-bottom: 44px;
  max-width: 420px;
}
.contact-row-editorial {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border-dark);
}
.contact-row-editorial:first-of-type { border-top: 1px solid var(--border-dark); }
.contact-row-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dark-muted);
}
.contact-row-editorial a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-dark);
  transition: color var(--transition);
}
.contact-row-editorial a:hover { color: var(--blue); }

.contact-form-editorial .form-group { margin-bottom: 30px; }
.contact-form-editorial label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--text-dark-muted);
  margin-bottom: 10px;
}
.contact-form-editorial input,
.contact-form-editorial textarea {
  width: 100%;
  padding: 12px 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-dark);
  color: var(--text-dark);
  font-family: inherit;
  font-size: 1.05rem;
  transition: border-color var(--transition);
  resize: vertical;
}
.contact-form-editorial input:focus,
.contact-form-editorial textarea:focus {
  outline: none;
  border-color: var(--blue);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.form-note { margin-top: 18px; font-size: 0.88rem; color: var(--blue); min-height: 1.2em; }

/* =============================================================
   FOOTER
   ============================================================= */
.site-footer { background: var(--dark-1); border-top: 1px solid var(--border-dark); padding-top: 72px; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand p { margin-top: 18px; color: var(--text-dark-muted); font-size: 0.92rem; max-width: 340px; }
.logo-footer { margin-bottom: 4px; }

.footer-links h4, .footer-contact h4 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dark-muted);
  margin-bottom: 20px;
  font-weight: 600;
}
.footer-links ul, .footer-contact ul { display: flex; flex-direction: column; gap: 13px; }
.footer-links a, .footer-contact a { color: var(--text-dark); font-size: 0.94rem; transition: color var(--transition); }
.footer-links a:hover, .footer-contact a:hover { color: var(--blue); }

.footer-bottom { border-top: 1px solid var(--border-dark); padding: 26px 0; text-align: center; }
.footer-bottom p { color: var(--text-dark-muted); font-size: 0.85rem; }

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 1024px) {
  .service-row { grid-template-columns: 60px 1fr; }
  .service-row h3 { grid-column: 2; }
  .service-row p { grid-column: 2; }
  .project-row { grid-template-columns: 50px 1fr; row-gap: 16px; }
  .project-row-tags, .project-row-cta { grid-column: 2; justify-self: start; }
  .founder-row { grid-template-columns: 100px 1fr; }
  .founder-bio-editorial { grid-column: 1 / -1; }
  .contact-editorial-grid { grid-template-columns: 1fr; gap: 56px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav, .nav-cta { display: none; }
  .menu-toggle { display: flex; }

  .nav.mobile-open {
    display: block;
    position: absolute;
    top: 96px; left: 0; right: 0;
    background: var(--header-bg-solid);
    border-bottom: 1px solid var(--header-border);
    backdrop-filter: blur(16px);
  }
  .nav.mobile-open .nav-list { flex-direction: column; gap: 0; padding: 12px 32px 26px; align-items: stretch; }
  .nav.mobile-open .nav-link { padding: 15px 0; border-bottom: 1px solid var(--header-border); }

  .hero-editorial { padding: 160px 0 0; }
  .hero-foot { grid-template-columns: 1fr; gap: 28px; }
  .page-hero { padding: 148px 0 64px; }
  .section { padding: 80px 0; }

  .service-row { grid-template-columns: 1fr; gap: 12px; }
  .service-row h3, .service-row p { grid-column: 1; }
  .project-row { grid-template-columns: 1fr; }
  .project-row-num { display: none; }
  .founder-row { grid-template-columns: 1fr; text-align: left; gap: 24px; }
  .founder-row:nth-child(even) { direction: ltr; }
  .values-strip { flex-wrap: wrap; }
  .value-cell { flex: 1 1 45%; border-bottom: 1px solid var(--border-dark); }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .cta-banner-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .value-cell { flex: 1 1 100%; }
}