/* ═══════════════════════════════════════════════
   RESET & VARIÁVEIS
═══════════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --green:       #1DB954;
  --green-hover: #085a2527;
  --green-glow:  rgba(29, 185, 84, 0.15);
  --bg:          oklch(0% 0 0 / 0.418);
  --bg-card:     oklch(0% 0 0 / 0.418);
  --bg-card2:    oklch(0% 0 0 / 0.418);
  --border:      rgba(0,0,0,0.09);
  --text:        #111111;
  --text-muted:  #555;
  --font-head:   'Syne', sans-serif;
  --font-body:   'DM Sans', sans-serif;
  --radius:      12px;
  --transition:  0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ═══════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 68px;
  background: rgba(240,240,240,0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.logo span {
  color: var(--green);
}

header nav {
  display: flex;
  gap: 2rem;
}

header nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

header nav a:hover,
header nav a:focus-visible {
  color: var(--text);
}

.btn-login {
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  transition: border-color var(--transition), background var(--transition);
}

.btn-login:hover,
.btn-login:focus-visible {
  border-color: var(--green);
  background: var(--green-glow);
  outline: none;
}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  padding: 7rem 5% 5rem;
  min-height: 88vh;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(29,185,84,0.10) 0%, transparent 70%);
  pointer-events: none;
}

.hero-text {
  flex: 1;
  max-width: 560px;
  z-index: 1;
}

.badge {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  background: var(--green-glow);
  border: 1px solid rgba(29,185,84,0.4);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--green);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-text h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.hero-text p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 460px;
}

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

.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: var(--green);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--green-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(29,185,84,0.25);
  outline: none;
}

.btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--radius);
  background: #fff;
  transition: border-color var(--transition), background var(--transition);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--green);
  background: var(--green-glow);
  outline: none;
}

.hero-image {
  flex: 0 0 auto;
  width: clamp(220px, 30vw, 360px);
  z-index: 1;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  filter: drop-shadow(0 0 30px rgba(29,185,84,0.18));
}

/* ═══════════════════════════════════════════════
   FEATURES
═══════════════════════════════════════════════ */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.feature {
  background: var(--bg);
  padding: 2rem 1.75rem;
  transition: background var(--transition);
}

.feature:hover {
  background: var(--bg-card);
}

.feature h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.feature p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════
   SEÇÃO: NOSSOS SISTEMAS
═══════════════════════════════════════════════ */
.apps {
  padding: 5rem 5%;
}

.apps h2,
.blog h2,
.ebooks h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
  color: var(--text);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: rgba(29,185,84,0.4);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.1);
}

.card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text);
}

.card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.card a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--green);
  transition: color var(--transition);
}

.card a:hover,
.card a:focus-visible {
  color: var(--green-hover);
  outline: none;
}

/* ═══════════════════════════════════════════════
   BLOG
═══════════════════════════════════════════════ */
.blog {
  padding: 5rem 5%;
  border-top: 1px solid var(--border);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.blog-grid article {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.blog-grid article:hover {
  border-color: rgba(29,185,84,0.35);
  transform: translateY(-2px);
}

.thumb {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-card2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.blog-grid article h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  padding: 1rem 1.25rem 0.4rem;
  color: var(--text);
}

.blog-grid article p {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0 1.25rem 1.25rem;
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════
   E-BOOKS
═══════════════════════════════════════════════ */
.ebooks {
  padding: 5rem 5%;
  border-top: 1px solid var(--border);
}

.ebook-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.25rem;
}

.ebook {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
  cursor: pointer;
}

.ebook:hover {
  border-color: rgba(29,185,84,0.35);
  transform: translateY(-3px);
}

.ebook-cover {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #e0e0e0 0%, #d0d0d0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.ebook h3 {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.9rem 1rem;
  color: var(--text);
}

/* ═══════════════════════════════════════════════
   CTA
═══════════════════════════════════════════════ */
.cta {
  margin: 0 5% 5rem;
  padding: 4rem 3rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center bottom, rgba(29,185,84,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.cta h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.cta p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.cta a {
  display: inline-block;
  padding: 0.85rem 2.25rem;
  background: var(--green);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.cta a:hover,
.cta a:focus-visible {
  background: var(--green-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(29,185,84,0.25);
  outline: none;
}

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

footer nav {
  display: flex;
  gap: 1.5rem;
}

footer nav a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

footer nav a:hover,
footer nav a:focus-visible {
  color: var(--text);
  outline: none;
}

/* ═══════════════════════════════════════════════
   COOKIE BANNER
═══════════════════════════════════════════════ */
#cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  max-width: 90vw;
  width: max-content;
}

#cookie-banner a {
  color: var(--green);
  text-decoration: underline;
  white-space: nowrap;
}

#cookie-banner a:hover { color: var(--green-hover); }

.cookie-btns {
  display: flex;
  gap: 0.6rem;
}

.cookie-btn {
  padding: 0.4rem 1rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
  white-space: nowrap;
}

#btn-aceitar-cookie {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

#btn-aceitar-cookie:hover { background: var(--green-hover); }

#btn-recusar-cookie {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}

#btn-recusar-cookie:hover {
  border-color: #aaa;
  color: var(--text);
}

/* ═══════════════════════════════════════════════
   RESPONSIVO
═══════════════════════════════════════════════ */
@media (max-width: 768px) {
  header nav { display: none; }

  .hero {
    flex-direction: column-reverse;
    padding: 4rem 5% 3rem;
    min-height: auto;
    text-align: center;
  }

  .hero-text p { margin-inline: auto; }

  .hero-buttons { justify-content: center; }

  .hero-image { width: clamp(160px, 50vw, 240px); }

  .cta { margin: 0 5% 3rem; padding: 2.5rem 1.5rem; }

  footer { justify-content: center; text-align: center; }
  footer nav { justify-content: center; }
}