/* ===========================================================
   index.css — Landing page da plataforma AURA
   =========================================================== */
@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Playfair+Display:wght@600;700&display=swap");

* {
  box-sizing: border-box;
}

body {
  font-family: "DM Sans", system-ui, sans-serif;
  color: var(--text);
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1100px 600px at 85% -10%, #d6ecfb 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 110%, #e3f2fc 0%, transparent 55%),
    linear-gradient(180deg, #f3f9fe 0%, #eaf5fc 100%);
  overflow-x: hidden;
}

/* ---------- formas decorativas ---------- */
.bg-decor {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
}

.blob-1 {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -80px;
  background: radial-gradient(circle, #9fd0f0, transparent 70%);
}

.blob-2 {
  width: 360px;
  height: 360px;
  bottom: -120px;
  left: -100px;
  background: radial-gradient(circle, #bfe0f5, transparent 70%);
}

.blob-3 {
  width: 280px;
  height: 280px;
  top: 40%;
  left: 55%;
  background: radial-gradient(circle, #d4c8f5, transparent 70%);
  opacity: 0.35;
}

/* ---------- header ---------- */
.landing-header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(20px, 5vw, 64px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(26, 111, 181, 0.32);
}

.logo-mark svg {
  width: 26px;
  height: 26px;
}

.brand-name {
  font-family: "Playfair Display", serif;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
}

.institute-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.institute-link:hover {
  background: #fff;
  box-shadow: 0 6px 18px rgba(26, 111, 181, 0.16);
  transform: translateY(-1px);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  z-index: 1;
  flex: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  padding: clamp(24px, 5vw, 56px) clamp(20px, 5vw, 64px);
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-title {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 18px;
  color: var(--text);
}

.hero-title .accent {
  background: linear-gradient(120deg, var(--primary), var(--primary-mid));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 0 30px;
}

.hero-sub strong {
  color: var(--text);
  font-weight: 700;
}

/* ---------- botões ---------- */
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-mid));
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(26, 111, 181, 0.42);
}

.btn-primary svg {
  transition: transform var(--transition);
}

.btn-primary:hover svg {
  transform: translateX(3px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--primary);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: #fff;
  border-color: var(--primary-mid);
}

/* ---------- linha de confiança ---------- */
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.trust-row li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
}

.trust-row .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(42, 157, 92, 0.18);
}

/* ---------- cartões de recursos ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: 0 14px 40px rgba(26, 111, 181, 0.12);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 50px rgba(26, 111, 181, 0.2);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: #fff;
}

.icon-blue { background: linear-gradient(135deg, #1a6fb5, #3a9bd5); }
.icon-teal { background: linear-gradient(135deg, #109a8a, #36c2b0); }
.icon-purple { background: linear-gradient(135deg, #6d5bd0, #9b8cf0); }
.icon-amber { background: linear-gradient(135deg, #e09b1a, #f3bd55); }

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--text);
}

.feature-card p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin: 0;
}

/* ---------- rodapé ---------- */
.landing-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px clamp(20px, 5vw, 64px);
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.4);
}

.footer-tag {
  font-weight: 600;
  color: var(--primary);
}

/* ---------- responsivo ---------- */
@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta,
  .trust-row {
    justify-content: center;
  }

  .feature-grid {
    margin-top: 8px;
  }
}

@media (max-width: 520px) {
  .landing-header {
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

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

  .brand-name {
    font-size: 1.4rem;
  }

  .institute-link {
    font-size: 0.82rem;
  }

  .landing-footer {
    justify-content: center;
    text-align: center;
  }
}