:root {
  --bg: #f4f1ec;
  --bg-soft: #e8e2d6;
  --ink: #18140f;
  --ink-soft: #4a3f31;
  --accent: #6a3b1d;
  --accent-dark: #3e1f0c;
  --accent-soft: #c79866;
  --line: #d3c8b3;
  --risk-alto: #a31d1d;
  --risk-medio: #b76b00;
  --risk-baixo: #6a7a2f;
  --risk-nulo: #3b7d3c;
  --shadow: 0 10px 30px -18px rgba(20, 16, 10, 0.45);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: "Georgia", "Times New Roman", serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
  letter-spacing: -0.01em;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
}

/* HERO */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: flex-end;
  background:
    linear-gradient(135deg, #14110b 0%, #3a2410 55%, #6a3b1d 100%);
  color: #f4f1ec;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 78%, rgba(199, 152, 102, 0.32), transparent 58%),
    radial-gradient(circle at 82% 22%, rgba(255, 200, 130, 0.22), transparent 55%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(transparent 95%, rgba(255,255,255,0.06) 95%),
    linear-gradient(90deg, transparent 95%, rgba(255,255,255,0.06) 95%);
  background-size: 60px 60px;
  opacity: 0.35;
  pointer-events: none;
  mix-blend-mode: overlay;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.6) 100%);
}

.hero__content {
  position: relative;
  padding: 3rem 1.5rem 4.5rem;
  max-width: 920px;
  margin: 0 auto;
  width: 100%;
}

.hero__eyebrow {
  font-family: "Helvetica Neue", system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  opacity: 0.85;
  margin: 0 0 0.8rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 1.2rem;
  font-weight: 700;
  text-shadow: 0 2px 14px rgba(0,0,0,0.4);
}

.hero__subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 640px;
  opacity: 0.92;
  margin: 0;
}

/* SECTIONS */
section {
  margin-bottom: 4rem;
}

section h2 {
  font-size: 1.6rem;
  margin: 0 0 1.2rem;
  color: var(--accent-dark);
  border-bottom: 2px solid var(--line);
  padding-bottom: 0.6rem;
}

.intro p {
  font-size: 1.08rem;
  color: var(--ink-soft);
}

/* CARDS */
.species {
  display: grid;
}

.card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1.2rem;
  align-items: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  margin-bottom: 1.1rem;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px -18px rgba(20, 16, 10, 0.5);
}

.card__icon {
  font-size: 2.2rem;
  width: 64px;
  height: 64px;
  background: var(--bg-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card__body h3 {
  margin: 0 0 0.4rem;
  font-size: 1.18rem;
  color: var(--ink);
}

.card__sci {
  display: inline-block;
  font-style: italic;
  font-weight: 400;
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin-left: 0.4rem;
}

.card__risk {
  display: inline-block;
  font-family: "Helvetica Neue", system-ui, sans-serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  margin: 0 0 0.7rem;
  font-weight: 600;
}

.risk--alto  { background: #f7d6d4; color: var(--risk-alto); }
.risk--medio { background: #fde2c2; color: var(--risk-medio); }
.risk--baixo { background: #e5ecc8; color: var(--risk-baixo); }
.risk--nulo  { background: #dbecd9; color: var(--risk-nulo); }

.card__body p:last-child {
  margin: 0;
  color: var(--ink-soft);
}

/* LISTS */
.threats ul,
.visit ul {
  padding-left: 1.2rem;
}

.threats li,
.visit li {
  margin-bottom: 0.6rem;
  color: var(--ink-soft);
}

.threats strong {
  color: var(--ink);
}

/* FOOTER */
footer {
  background: #14110b;
  color: #d3c8b3;
  padding: 2rem 1.5rem;
  text-align: center;
  font-family: "Helvetica Neue", system-ui, sans-serif;
  font-size: 0.9rem;
}

footer p {
  margin: 0.2rem 0;
}

.footer__sub {
  opacity: 0.65;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* RESPONSIVE */
@media (max-width: 540px) {
  .hero { min-height: 62vh; }
  .card {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .card__icon {
    width: 56px;
    height: 56px;
    font-size: 2rem;
  }
}