/* ══════════════════════════════════════════════════════════
   VAZDENG — Landing Page
   Guia IA para Engenheiros de Dados
   ══════════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --navy:     #1a2035;
  --navy-2:   #1e2740;
  --cream:    #f0ece2;
  --orange:   #e07b30;
  --orange-d: #c86820;
  --white:    #ffffff;
  --gray:     #8a8880;
  --dark:     #111827;
  --dark-2:   #141d2b;

  --ff-display: 'Playfair Display', Georgia, serif;
  --ff-body:    'IBM Plex Sans', system-ui, sans-serif;
  --ff-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --w-max:    1080px;
  --w-narrow: 680px;

  --r-sm: 8px;
  --r-md: 12px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--navy);
  color: var(--cream);
  font-family: var(--ff-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
ul { list-style: none; }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: 2rem;
}
.container-narrow { max-width: var(--w-narrow); }
.text-center { text-align: center; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--r-sm);
  font-family: var(--ff-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: none;
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 2px 16px rgba(224, 123, 48, 0.28);
}
.btn-primary:hover {
  background: var(--orange-d);
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(224, 123, 48, 0.4);
}
.btn-primary:active { transform: translateY(0); }
.btn-hero { padding: 1rem 2rem; font-size: 1.0625rem; border-radius: var(--r-md); }
.btn-cta  { padding: 1.125rem 2.75rem; font-size: 1.125rem; border-radius: var(--r-md); }

/* ── Shared section title ── */
.section-title {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 3.5vw, 2.125rem);
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 2.5rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}


/* ══════════════════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════════════════ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(26, 32, 53, 0.9);
  border-bottom: 1px solid rgba(240, 236, 226, 0.07);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-svg { height: 28px; width: auto; }


/* ══════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════ */

.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* dot grid texture */
.hero-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(240, 236, 226, 0.055) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* fade at bottom */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 140px;
  background: linear-gradient(to bottom, transparent, var(--navy));
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding-block: 7rem;
  max-width: 720px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--orange);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--ff-display);
  font-size: clamp(2.75rem, 6.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--cream);
  margin-bottom: 0.875rem;
}

.hero-sub {
  font-family: var(--ff-display);
  font-size: clamp(1.2rem, 2.5vw, 1.625rem);
  font-weight: 700;
  color: rgba(240, 236, 226, 0.42);
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 1.0625rem;
  color: rgba(240, 236, 226, 0.68);
  max-width: 500px;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.hero-credential {
  margin-top: 1.25rem;
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  color: var(--gray);
  letter-spacing: 0.03em;
  line-height: 1.8;
}


/* ══════════════════════════════════════════════════════════
   O PROBLEMA
   ══════════════════════════════════════════════════════════ */

.problema {
  padding-block: 6rem;
}
.problema-body {
  font-family: var(--ff-display);
  font-size: clamp(1.25rem, 2.75vw, 1.625rem);
  line-height: 1.65;
  color: rgba(240, 236, 226, 0.62);
  margin-bottom: 1.25rem;
}
.problema-punchline {
  font-family: var(--ff-display);
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 700;
  color: var(--cream);
  letter-spacing: -0.015em;
}


/* ══════════════════════════════════════════════════════════
   INCLUSO
   ══════════════════════════════════════════════════════════ */

.incluso {
  padding-block: 5rem;
}
.incluso-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(240, 236, 226, 0.07);
  border: 1px solid rgba(240, 236, 226, 0.07);
  border-radius: var(--r-md);
  overflow: hidden;
}
.incluso-card {
  background: var(--dark-2);
  padding: 1.875rem 2rem;
  transition: background 0.2s ease;
}
.incluso-card:hover { background: rgba(224, 123, 48, 0.045); }
.incluso-dot {
  display: block;
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
  margin-bottom: 1.125rem;
}
.incluso-card h3 {
  font-family: var(--ff-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}
.incluso-card p {
  font-size: 0.875rem;
  color: rgba(240, 236, 226, 0.52);
  line-height: 1.6;
}
.incluso-card code {
  font-family: var(--ff-mono);
  font-size: 0.8125rem;
  color: var(--orange);
  background: rgba(224, 123, 48, 0.12);
  padding: 0.1em 0.4em;
  border-radius: 3px;
}


/* ══════════════════════════════════════════════════════════
   SCRIPTS
   ══════════════════════════════════════════════════════════ */

.scripts {
  padding-block: 5rem;
}
.scripts-list {
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(240, 236, 226, 0.07);
  border-radius: var(--r-md);
  overflow: hidden;
}
.script-card {
  background: var(--dark);
  padding: 1.625rem 2rem;
  border-bottom: 1px solid rgba(240, 236, 226, 0.05);
  transition: background 0.2s ease;
}
.script-card:last-child { border-bottom: none; }
.script-card:hover { background: #161e2e; }

.script-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.script-num {
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: rgba(138, 136, 128, 0.55);
  flex-shrink: 0;
  letter-spacing: 0.05em;
}
.script-name {
  font-family: var(--ff-mono);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--orange);
  letter-spacing: 0.01em;
}
.script-desc {
  font-size: 0.875rem;
  color: rgba(240, 236, 226, 0.57);
  margin-top: 0.25rem;
  margin-bottom: 0.625rem;
  padding-left: 2.625rem;
  line-height: 1.55;
}
.script-cmd {
  display: block;
  font-family: var(--ff-mono);
  font-size: 0.8125rem;
  color: rgba(240, 236, 226, 0.32);
  padding-left: 2.625rem;
  word-break: break-all;
  line-height: 1.5;
}


/* ══════════════════════════════════════════════════════════
   CREDENCIAIS
   ══════════════════════════════════════════════════════════ */

.credenciais {
  padding-block: 5rem;
  border-top: 1px solid rgba(240, 236, 226, 0.07);
  border-bottom: 1px solid rgba(240, 236, 226, 0.07);
}
.cred-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(240, 236, 226, 0.07);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: 2.5rem;
}
.cred-card {
  padding: 2rem 2.25rem;
  background: var(--dark-2);
  border-right: 1px solid rgba(240, 236, 226, 0.07);
}
.cred-card:last-child { border-right: none; }

.cred-stat {
  font-family: var(--ff-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 0.3rem;
  letter-spacing: -0.025em;
}
.cred-unit {
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gray);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.cred-context {
  font-size: 0.875rem;
  color: rgba(240, 236, 226, 0.52);
  line-height: 1.55;
}
.cred-degree {
  font-family: var(--ff-mono);
  font-size: 0.8125rem;
  color: var(--gray);
  text-align: center;
  letter-spacing: 0.02em;
}


/* ══════════════════════════════════════════════════════════
   PARA QUEM É
   ══════════════════════════════════════════════════════════ */

.para-quem {
  padding-block: 5rem;
}
.para-quem-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: start;
}
.check-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: rgba(240, 236, 226, 0.78);
  line-height: 1.5;
}
.check-yes { color: var(--orange); flex-shrink: 0; font-size: 0.875rem; margin-top: 0.15rem; }
.check-no  { color: var(--gray);   flex-shrink: 0; font-size: 0.875rem; margin-top: 0.15rem; }


/* ══════════════════════════════════════════════════════════
   AMOSTRA
   ══════════════════════════════════════════════════════════ */

.amostra {
  padding-block: 5rem;
}
.amostra-card {
  background: var(--dark-2);
  border: 1px solid rgba(240, 236, 226, 0.07);
  border-radius: var(--r-md);
  overflow: hidden;
}
.amostra-label {
  padding: 0.75rem 1.875rem;
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--gray);
  background: rgba(240, 236, 226, 0.03);
  border-bottom: 1px solid rgba(240, 236, 226, 0.06);
  text-transform: uppercase;
}
.amostra-body {
  padding: 2rem 1.875rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 720px;
}
.amostra-body p {
  font-size: 0.9375rem;
  color: rgba(240, 236, 226, 0.68);
  line-height: 1.72;
}
.amostra-highlight { color: var(--cream) !important; }
.amostra-body code {
  font-family: var(--ff-mono);
  font-size: 0.875rem;
  color: var(--orange);
  background: rgba(224, 123, 48, 0.12);
  padding: 0.1em 0.4em;
  border-radius: 3px;
}


/* ══════════════════════════════════════════════════════════
   CTA FINAL
   ══════════════════════════════════════════════════════════ */

.cta-final {
  padding-block: 9rem;
}
.cta-inner {
  text-align: center;
}
.cta-headline {
  font-family: var(--ff-display);
  font-size: clamp(1.75rem, 4.5vw, 2.875rem);
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 1rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.cta-meta {
  font-family: var(--ff-mono);
  font-size: 0.8125rem;
  color: var(--gray);
  letter-spacing: 0.06em;
  margin-bottom: 2.75rem;
}
.price-block {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.875rem;
  margin-bottom: 2.25rem;
  flex-wrap: wrap;
}
.price-old {
  font-size: 1.0625rem;
  color: var(--gray);
  text-decoration: line-through;
  font-family: var(--ff-body);
}
.price-new {
  font-family: var(--ff-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: -0.025em;
  line-height: 1;
}
.price-tag {
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--orange);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  align-self: center;
}
.cta-guarantee {
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--gray);
  line-height: 1.7;
}


/* ══════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════ */

.site-footer {
  padding-block: 1.75rem;
  border-top: 1px solid rgba(240, 236, 226, 0.07);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-brand {
  font-family: var(--ff-mono);
  font-size: 0.8125rem;
  color: var(--gray);
  letter-spacing: 0.02em;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.footer-links a {
  font-family: var(--ff-mono);
  font-size: 0.8125rem;
  color: var(--gray);
  transition: color 0.15s ease;
}
.footer-links a:hover { color: var(--cream); }


/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .container { padding-inline: 1.25rem; }

  .hero-inner { padding-block: 5rem 4rem; }
  .hero-desc  { max-width: 100%; }

  .incluso-grid {
    grid-template-columns: 1fr;
  }

  .cred-grid {
    grid-template-columns: 1fr;
  }
  .cred-card {
    border-right: none;
    border-bottom: 1px solid rgba(240, 236, 226, 0.07);
  }
  .cred-card:last-child { border-bottom: none; }

  .para-quem-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-hero,
  .btn-cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.375rem; }

  .script-desc,
  .script-cmd  { padding-left: 0; margin-top: 0.5rem; }

  .cta-final   { padding-block: 6rem; }
  .price-new   { font-size: 2.25rem; }
}