/* ============================================================
   NextPY — css/style.css  v2.0
   Design System: Tech & Cyber Dark  |  Senior Polish Edition
   ============================================================ */

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

/* ── Design Tokens ───────────────────────────────────────── */
:root {
  /* Core palette */
  --color-bg:            #0D1117;
  --color-bg-2:          #080b11;          /* footer — mais escuro */
  --color-surface:       #111827;
  --color-surface-2:     #1a2234;
  --color-border:        rgba(0, 245, 255, 0.10);
  --color-border-hover:  rgba(0, 245, 255, 0.32);

  /* Accent */
  --color-cyan:          #00F5FF;
  --color-cyan-dim:      rgba(0, 245, 255, 0.07);
  --color-cyan-glow:     rgba(0, 245, 255, 0.22);
  --color-cyan-glow-lg:  rgba(0, 245, 255, 0.35);
  --color-cyan-dark:     #00c8d4;

  /* Text */
  --color-text:          #e2e8f0;
  --color-text-muted:    #8892a4;
  --color-text-faint:    #3d4a60;

  /* Typography */
  --font-sans:   'Inter', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', 'Courier New', monospace;

  /* Layout — Grade profissional (múltiplos de 8px) */
  --section-py:  8rem;
  --container-w: 1200px;
  --radius:      8px;
  --radius-lg:   16px;

  /* Shadows */
  --shadow-card:     0 4px 32px rgba(0, 0, 0, 0.55);
  --shadow-cyan:     0 0 24px rgba(0, 245, 255, 0.13);
  --shadow-cyan-lg:  0 0 40px rgba(0, 245, 255, 0.22);

  /* Transitions */
  --trans: 0.26s cubic-bezier(0.4, 0, 0.2, 1);

  /* Aliases */
  --color-background: var(--color-bg);
  --color-primary:    var(--color-cyan);
  --color-accent:     var(--color-cyan);
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-top: 66px;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Utility ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-cyan);
  color: #000;
  padding: .5rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--trans);
}
.skip-link:focus { top: 1rem; }

/* ── Gradient Bar (animada) ──────────────────────────────── */
.gradient-bar {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--color-cyan) 30%,
    #7b6eff 50%,
    var(--color-cyan) 70%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: bar-slide 5s linear infinite;
  z-index: 1000;
}
@keyframes bar-slide {
  0%   { background-position: -100% 0; }
  100% { background-position: 200% 0; }
}

/* ── Header — Glassmorphism High-Tech ────────────────────── */
.header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 900;
  /* Glassmorphism real — 16px blur */
  background: rgba(8, 11, 17, 0.65);
  backdrop-filter: blur(16px) saturate(1.8);
  -webkit-backdrop-filter: blur(16px) saturate(1.8);
  /* Borda inferior sutil de 1px */
  border-bottom: 1px solid rgba(0, 245, 255, 0.08);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  transition: background var(--trans), box-shadow var(--trans), border-bottom var(--trans);
}
.header.scrolled {
  background: rgba(8, 11, 17, 0.88);
  border-bottom: 1px solid rgba(0, 245, 255, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  gap: 2rem;
}

/* Logo */
.nav__logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  color: var(--color-text);
  flex-shrink: 0;
  transition: color var(--trans), text-shadow var(--trans);
}
.nav__logo:hover {
  color: var(--color-cyan);
  text-shadow: 0 0 20px var(--color-cyan-glow);
}
.nav__logo .highlight { color: var(--color-cyan); }

/* Nav list */
.nav__list {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

/* Nav links — underline animado com JetBrains Mono */
.nav__link {
  font-family: var(--font-mono);
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 3px;
  transition: color var(--trans);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 1.5px;
  background: var(--color-cyan);
  box-shadow: 0 0 8px var(--color-cyan);
  border-radius: 2px;
  transition: width var(--trans);
}
.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-text);
}
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { width: 100%; }

/* CTA no nav */
.nav__cta { margin-left: .5rem; }

/* Hamburger */
.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: border-color var(--trans), box-shadow var(--trans);
  position: relative;
  flex-shrink: 0;
}
.nav__toggle:hover {
  border-color: var(--color-cyan);
  box-shadow: 0 0 12px var(--color-cyan-glow);
}
.nav__toggle::before,
.nav__toggle::after {
  content: '';
  position: absolute;
  width: 18px; height: 1.5px;
  background: var(--color-text-muted);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans), background var(--trans);
}
.nav__toggle:hover::before,
.nav__toggle:hover::after { background: var(--color-cyan); }
.nav__toggle::before { transform: translateY(-5px); }
.nav__toggle::after  { transform: translateY(5px); }
.nav__toggle[aria-expanded="true"]::before { transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"]::after  { transform: rotate(-45deg); }

/* ── Buttons — Ghost Neon Style ──────────────────────────── */

/* Base (Primary — solid cyan, usado em CTA principal) */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .72rem 1.7rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--trans);
  white-space: nowrap;
  position: relative;
  overflow: hidden;

  /* Solid primary */
  background: var(--color-cyan);
  color: #000;
  border: 1.5px solid var(--color-cyan);
}
.button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12), transparent);
  opacity: 0;
  transition: opacity var(--trans);
}
.button:hover::before { opacity: 1; }
.button:hover {
  background: #1dfcff;
  border-color: #1dfcff;
  box-shadow: 0 0 28px var(--color-cyan-glow-lg), 0 0 8px var(--color-cyan-glow);
  transform: translateY(-2px);
}
.button:active { transform: translateY(0); }

/* Ghost — apenas borda neon, preenche no hover */
.button--ghost,
.button--secondary {
  background: transparent;
  color: var(--color-cyan);
  border: 1.5px solid rgba(0, 245, 255, 0.35);
  box-shadow: none;
}
.button--ghost::before,
.button--secondary::before { display: none; }
.button--ghost:hover,
.button--secondary:hover {
  background: var(--color-cyan-dim);
  border-color: var(--color-cyan);
  box-shadow: 0 0 20px var(--color-cyan-glow), inset 0 0 12px rgba(0,245,255,0.06);
  transform: translateY(-2px);
}

/* Sizes */
.button--lg  { padding: .95rem 2.2rem; font-size: .95rem; }
.button--sm  { padding: .45rem 1rem;   font-size: .78rem; }

/* ── Sections ────────────────────────────────────────────── */
.section { padding-block: var(--section-py); }

.section__title {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}

.section__subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
  line-height: 1.8;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding-block: 5rem 4rem;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 55% at 72% 38%, rgba(0,245,255,0.06) 0%, transparent 65%),
    radial-gradient(ellipse 45% 45% at 18% 75%, rgba(123,110,255,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,245,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__title {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}
.hero__title .highlight {
  color: var(--color-cyan);
  text-shadow: 0 0 32px var(--color-cyan-glow);
}

.hero__subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin-bottom: 2.25rem;
  line-height: 1.8;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Insights Card */
.insights-card {
  background: rgba(17, 24, 39, 0.9);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-card), var(--shadow-cyan);
  backdrop-filter: blur(8px);
  animation: float 7s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

.insights-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.dot-online {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #22c55e;
  font-size: .72rem;
}
.dot-online::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e, 0 0 16px rgba(34,197,94,0.4);
  animation: pulse-dot 2.5s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px #22c55e, 0 0 16px rgba(34,197,94,0.4); }
  50%       { opacity: 0.5; box-shadow: 0 0 4px #22c55e; }
}

.insights-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .875rem; }
.insights-grid > div {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem .875rem;
  text-align: center;
}

.insight-label {
  font-size: .68rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: .5rem;
}
.insight-value {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-bottom: .25rem;
  text-shadow: 0 0 16px var(--color-cyan-glow);
}
.insight-foot {
  font-size: .66rem;
  color: var(--color-text-faint);
}

/* ── Feature Sections ────────────────────────────────────── */
.feature-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature-content { max-width: 520px; }

.pre-heading {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  color: var(--color-cyan);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.feature-title {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--color-text-muted);
  font-size: .95rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.feature-illustration img {
  width: 100%;
  max-width: 460px;
  filter: brightness(0.85) saturate(1.3);
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  color: var(--color-cyan);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: gap var(--trans), text-shadow var(--trans);
}
.cta-link:hover {
  gap: 1rem;
  text-shadow: 0 0 12px var(--color-cyan-glow);
}

/* GCP Visual Card */
.feature-illustration--card { display: flex; justify-content: center; }
.gcp-visual-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow-card);
}
.gcp-visual-card__logo img { height: 26px; margin-bottom: 1.5rem; filter: brightness(1.2); }
.gcp-visual-card__pills { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }
.gcp-visual-card__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
}
.meta-label {
  font-size: .68rem;
  font-family: var(--font-mono);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: .25rem;
}
.meta-value {
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-cyan);
}

/* Pills */
.pill {
  display: inline-flex;
  align-items: center;
  padding: .28rem .7rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .73rem;
  font-weight: 500;
  background: var(--color-cyan-dim);
  color: var(--color-cyan);
  border: 1px solid rgba(0,245,255,0.18);
}
.pill--strong {
  background: rgba(0, 245, 255, 0.12);
  border-color: rgba(0, 245, 255, 0.28);
}
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
  margin-bottom: 3rem;
}

/* ── Grids ───────────────────────────────────────────────── */
.grid { display: grid; gap: 1.5rem; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
  display: block;
}
.card:hover {
  border-color: rgba(0, 245, 255, 0.28);
  box-shadow: var(--shadow-cyan-lg);
  transform: translateY(-4px);
}

.card--service { position: relative; overflow: hidden; }
.card--service::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
  opacity: 0;
  transition: opacity var(--trans);
}
.card--service:hover::before { opacity: 1; }

.service-icon-circle {
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--color-cyan-dim);
  border: 1px solid rgba(0,245,255,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-cyan);
  transition: background var(--trans), box-shadow var(--trans), border-color var(--trans);
}
.card:hover .service-icon-circle,
a.card:hover .service-icon-circle {
  background: rgba(0,245,255,0.14);
  border-color: rgba(0,245,255,0.35);
  box-shadow: 0 0 20px var(--color-cyan-glow);
}
.service-icon-circle svg { width: 22px; height: 22px; }

.card__title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: .75rem;
  letter-spacing: -0.01em;
}

.card__description {
  color: var(--color-text-muted);
  font-size: .9rem;
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-cyan);
  letter-spacing: 0.04em;
  transition: gap var(--trans), text-shadow var(--trans);
}
.card__link:hover {
  gap: .75rem;
  text-shadow: 0 0 10px var(--color-cyan-glow);
}

/* ── Elite Bento Grid ────────────────────────────────────── */
.grid-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }

@media (max-width: 1024px) {
  .grid-bento { grid-template-columns: 1fr; }
  .col-span-1, .col-span-2, .col-span-3 { grid-column: span 1; }
}

/* Elite Tech Cards */
.card--elite {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  background: linear-gradient(145deg, var(--color-surface), rgba(13, 17, 23, 0.4));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
  z-index: 1;
}
/* Borda gradiente de 1px incandescente */
.card--elite::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-cyan) 0%, rgba(123,110,255,0.8) 50%, transparent 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.card--elite:hover {
  transform: translateY(-4px);
  border-color: transparent;
  box-shadow: 0 16px 40px rgba(0, 245, 255, 0.12);
}
.card--elite:hover::after {
  opacity: 1;
}

.card__header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}
.card__header .service-icon-circle {
  margin-bottom: 0;
  flex-shrink: 0;
}

.card__sub-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.85rem;
}

.card__deliverables {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-grow: 1;
}
.card__deliverables li {
  display: flex;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.card__deliverables li::before {
  content: '▹';
  color: var(--color-cyan);
  margin-right: 0.5rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.2;
}

.card__tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-cyan);
  background: rgba(0, 245, 255, 0.03);
  border: 1px solid rgba(0, 245, 255, 0.15);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--trans);
}
.card--elite:hover .tech-pill {
  border-color: rgba(0, 245, 255, 0.35);
  box-shadow: 0 0 8px rgba(0, 245, 255, 0.15);
  background: rgba(0, 245, 255, 0.08);
}

/* ── About ───────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 2rem;
}
.about-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

.check-list { display: flex; flex-direction: column; gap: .75rem; }
.check-list li {
  display: flex;
  align-items: flex-start;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text-muted);
  font-size: .95rem;
  line-height: 1.65;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .85rem;
  text-shadow: 0 0 8px var(--color-cyan-glow);
}

/* Stats */
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  text-align: center;
  transition: border-color var(--trans), box-shadow var(--trans);
}
.stat-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-cyan);
}
.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-bottom: .35rem;
  text-shadow: 0 0 16px var(--color-cyan-glow);
}
.stat-label {
  font-size: .78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-family: var(--font-mono);
}

/* ── Case Studies ────────────────────────────────────────── */
.case-studies {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.case-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
}
.case-card:hover {
  border-color: rgba(0,245,255,0.28);
  box-shadow: var(--shadow-cyan-lg);
  transform: translateY(-4px);
}
.case-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  color: var(--color-cyan);
}
.case-badge {
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-cyan);
  background: var(--color-cyan-dim);
  border: 1px solid rgba(0,245,255,0.2);
  padding: .25rem .65rem;
  border-radius: 999px;
}
.case-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: .6rem;
  letter-spacing: -0.01em;
  line-height: 1.4;
}
.case-summary {
  font-size: .875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.65;
}
.case-kpis { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.kpi {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: .5rem .75rem;
  text-align: center;
  flex: 1;
  min-width: 68px;
}
.kpi-value {
  display: block;
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-cyan);
}
.kpi-label {
  font-size: .66rem;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.case-cta {
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-cyan);
  transition: letter-spacing var(--trans), text-shadow var(--trans);
  display: inline-block;
}
.case-cta:hover {
  letter-spacing: 0.03em;
  text-shadow: 0 0 10px var(--color-cyan-glow);
}

/* ── Process Section ─────────────────────────────────────── */
.process-section { background: var(--color-surface); border-block: 1px solid var(--color-border); }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 1rem; }
.process-step {
  display: flex;
  gap: 1.25rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
}
.process-step:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-cyan);
  transform: translateY(-3px);
}
.step-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: rgba(0,245,255,0.12);
  line-height: 1;
  flex-shrink: 0;
  min-width: 2.5rem;
}
.step-content { flex: 1; }
.step-icon { width: 26px; height: 26px; color: var(--color-cyan); margin-bottom: .75rem; }
.step-title {
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: .6rem;
  letter-spacing: -0.01em;
}
.step-description {
  font-size: .875rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}
.step-cta {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 600;
  color: var(--color-cyan);
  letter-spacing: 0.04em;
  transition: letter-spacing var(--trans), text-shadow var(--trans);
}
.step-cta:hover {
  letter-spacing: 0.1em;
  text-shadow: 0 0 10px var(--color-cyan-glow);
}

/* ── Page Hero ───────────────────────────────────────────── */
.page-hero {
  padding-block: 5.5rem 3.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 65% 55% at 50% -10%, rgba(0,245,255,0.08) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero__title {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
  position: relative;
}
.page-hero__subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 580px;
  margin-inline: auto;
  line-height: 1.8;
  position: relative;
}

/* ── Contact Form ────────────────────────────────────────── */
.contact__form {
  display: grid;
  gap: 1rem;
  max-width: 600px;
  margin-inline: auto;
}
.form__input {
  width: 100%;
  padding: .9rem 1.1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: .95rem;
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
}
.form__input::placeholder { color: var(--color-text-faint); }
.form__input:focus {
  border-color: rgba(0, 245, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.07), 0 0 16px rgba(0, 245, 255, 0.06);
}
textarea.form__input { resize: vertical; min-height: 130px; }

/* ── Innovation Section ──────────────────────────────────── */
.innovation-section { background: var(--color-bg); }

/* ── FOOTER — 4 colunas corporativo com hierarquia visual ── */
.footer {
  background: var(--color-bg-2);   /* mais escuro que o body */
  border-top: 1px solid var(--color-border);
  padding-block: 5rem 2rem;
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,245,255,0.3), transparent);
}

/* Grid de 4 colunas — espaçamento profissional */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand { max-width: 320px; }
.footer-text {
  color: var(--color-text-muted);
  font-size: .875rem;
  line-height: 1.75;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

/* Títulos de coluna — JetBrains Mono com hierarquia clara */
.footer-title {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-cyan);
  margin-bottom: 1.5rem;
  opacity: 0.85;
  text-shadow: 0 0 8px rgba(0, 245, 255, 0.15);
}

.footer-list { display: flex; flex-direction: column; gap: .75rem; }
.footer-list a, .footer-list li {
  font-size: .875rem;
  color: var(--color-text-muted);
  transition: color var(--trans), padding-left var(--trans);
  line-height: 1.6;
}
.footer-list a:hover { 
  color: var(--color-text);
  padding-left: 4px;
}

/* WhatsApp inline no footer */
.footer-whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--color-text-muted);
  transition: color var(--trans);
}
.footer-whatsapp-link:hover { color: #25d366; }

/* Social icons — Glow no hover */
.footer-social { display: flex; gap: .65rem; }
.footer-social a {
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: color var(--trans), border-color var(--trans), box-shadow var(--trans), background var(--trans);
}
.footer-social a:hover {
  color: var(--color-cyan);
  border-color: rgba(0, 245, 255, 0.4);
  background: var(--color-cyan-dim);
  /* Glow neon ao ativar */
  box-shadow: 0 0 16px var(--color-cyan-glow), 0 0 4px var(--color-cyan-glow);
}

/* Footer bottom */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  font-size: .8rem;
  color: var(--color-text-faint);
}
.to-top {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--color-text-faint);
  transition: color var(--trans), text-shadow var(--trans);
}
.to-top:hover {
  color: var(--color-cyan);
  text-shadow: 0 0 10px var(--color-cyan-glow);
}

/* ── Floating WhatsApp — Glow ────────────────────────────── */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 800;
  display: flex;
  align-items: center;
  gap: .6rem;
  background: #128c7e;
  color: #fff;
  padding: .7rem 1rem .7rem .75rem;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  transition: all var(--trans);
  overflow: hidden;
  max-width: 54px;
}
.floating-whatsapp:hover {
  max-width: 160px;
  background: #25d366;
  /* Glow verde ao ativar */
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.4), 0 0 20px rgba(37, 211, 102, 0.25);
}
.floating-whatsapp svg { width: 26px; height: 26px; flex-shrink: 0; }
.floating-whatsapp__label {
  font-size: .875rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
}

/* ── Cookie Banner ───────────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: 720px;
  width: calc(100% - 3rem);
  z-index: 700;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
}
.cookie-banner__title {
  font-family: var(--font-mono);
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: .25rem;
}
.cookie-banner__text { font-size: .8rem; color: var(--color-text-muted); }
.cookie-banner__actions { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }
.cookie-banner__link {
  font-size: .8rem;
  color: var(--color-cyan);
  transition: text-shadow var(--trans);
}
.cookie-banner__link:hover {
  text-decoration: underline;
  text-shadow: 0 0 8px var(--color-cyan-glow);
}

/* ── Surface-2 alias ─────────────────────────────────────── */
.color-surface-2 { background: var(--color-surface-2); }

/* ── Highlight ───────────────────────────────────────────── */
.highlight { color: var(--color-cyan); }

/* ── Focus visible ───────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--color-bg-2); }
::-webkit-scrollbar-thumb { background: rgba(0,245,255,0.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,245,255,0.45); }

/* ── Selection ───────────────────────────────────────────── */
::selection { background: rgba(0,245,255,0.18); color: var(--color-cyan); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer-brand { grid-column: 1 / -1; max-width: 100%; }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr; gap: 1rem; }
}

.cookie-banner.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  :root { --section-py: 5rem; }

  /* Nav mobile */
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed;
    inset: 0;
    background: rgba(8, 11, 17, 0.97);
    backdrop-filter: blur(24px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--trans), visibility var(--trans);
    z-index: 850;
  }
  .nav__menu.is-open { opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; gap: 2.25rem; text-align: center; }
  .nav__link { font-size: 1.3rem; }
  .nav__cta { margin-left: 0; margin-top: .75rem; }

  /* Hero */
  .hero { min-height: auto; padding-block: 4rem 3rem; }
  .hero__content { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero__media { order: -1; }

  /* Feature */
  .feature-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .feature-illustration { order: -1; display: flex; justify-content: center; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }

  /* Grids */
  .grid-cols-2, .grid-cols-3 { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .insights-grid { grid-template-columns: repeat(3, 1fr); }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }

  /* Cookie */
  .cookie-banner { flex-direction: column; gap: 1rem; text-align: center; }
  .cookie-banner__actions { justify-content: center; }

  /* Float WA */
  .floating-whatsapp { bottom: 1.25rem; right: 1.25rem; }
}

@media (max-width: 480px) {
  .hero__cta { flex-direction: column; }
  .hero__cta .button { justify-content: center; }
  .about-stats { grid-template-columns: 1fr; }
  .insights-grid { grid-template-columns: 1fr; }
  .process-step { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
}