/* BIOMAS Natural Intelligence — Design System
 * Earthy palette, typographic weight, generous whitespace.
 * Not corporate SaaS, not granola NGO — serious territorial infrastructure.
 */

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

:root {
  /* Palette — earth tones */
  --soil:    #1c1a17;   /* near-black, warm */
  --bark:    #2e2b25;   /* dark brown */
  --humus:   #4a453c;   /* medium brown */
  --clay:    #7a6e5f;   /* warm mid-grey */
  --sand:    #c4b89e;   /* light warm */
  --linen:   #f0ebe1;   /* off-white */
  --cream:   #faf8f4;   /* near-white */
  --leaf:    #3d5a40;   /* forest green accent */
  --leaf-lt: #5a8060;   /* light green */
  --terracotta: #a0533a;/* warm red accent */
  --white:   #ffffff;

  /* Type scale */
  --font-sans: 'Georgia', 'Times New Roman', serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  7rem;
  --space-2xl: 10rem;

  /* Layout */
  --max-w: 1200px;
  --radius: 2px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--soil);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

a { color: inherit; text-decoration: none; }
a:hover { opacity: 0.75; }

img { max-width: 100%; }

/* ── Typography ── */
h1, h2, h3 {
  font-family: var(--font-sans);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: 1.25rem; font-weight: 600; }

p { line-height: 1.75; }

/* ── Utilities ── */
.hidden { display: none !important; }

/* ── Navigation ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--sand);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--leaf);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  border-radius: var(--radius);
  flex-shrink: 0;
}

.logo-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--soil);
}

.logo-sub {
  font-size: 0.75rem;
  color: var(--clay);
  letter-spacing: 0.04em;
  border-left: 1px solid var(--sand);
  padding-left: 0.6rem;
  margin-left: 0.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--humus);
}

.btn-nav {
  padding: 0.4rem 1.1rem;
  border: 1px solid var(--leaf);
  color: var(--leaf);
  border-radius: var(--radius);
  font-size: 0.875rem;
  transition: background 0.15s, color 0.15s;
}

.btn-nav:hover {
  background: var(--leaf);
  color: var(--white);
  opacity: 1;
}

/* ── Hero ── */
.hero {
  padding: var(--space-2xl) 0 var(--space-lg);
  background: var(--cream);
  position: relative;
}

.hero-inner {
  max-width: 900px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--leaf);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
}

.hero-headline {
  color: var(--soil);
  margin-bottom: var(--space-md);
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--bark);
  max-width: 720px;
  margin-bottom: var(--space-sm);
}

.hero-sub-en {
  font-size: 1rem;
  color: var(--clay);
  max-width: 680px;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.hero-cta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--leaf);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: background 0.15s;
}

.btn-primary:hover { background: var(--leaf-lt); opacity: 1; }

.btn-secondary {
  display: inline-block;
  padding: 0.85rem 1.5rem;
  color: var(--humus);
  font-size: 1rem;
  border-bottom: 1px solid var(--sand);
}

.btn-secondary:hover { color: var(--soil); opacity: 1; }

.hero-rule {
  width: 60px;
  height: 2px;
  background: var(--leaf);
  margin: var(--space-lg) 0 0 var(--space-md);
}

/* ── Sections ── */
.section {
  padding: var(--space-xl) 0;
}

.section-header {
  margin-bottom: var(--space-lg);
}

.section-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clay);
  font-family: var(--font-mono);
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  color: var(--soil);
}

.section-desc {
  color: var(--humus);
  max-width: 640px;
  margin-top: var(--space-sm);
  font-size: 1.05rem;
}

/* ── Os Cinco Índices ── */
.indices {
  background: var(--linen);
}

.indices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.index-card {
  background: var(--cream);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  padding: var(--space-md);
  position: relative;
}

.index-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clay);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.index-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--soil);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.index-desc {
  font-size: 0.9rem;
  color: var(--humus);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.index-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--leaf);
  border: 1px solid var(--leaf);
  padding: 0.2rem 0.5rem;
  border-radius: 1px;
}

/* ── Território-âncora ── */
.territorio {
  background: var(--cream);
}

.territorio-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.territorio-stat {
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--leaf);
  letter-spacing: -0.03em;
  line-height: 1;
  margin: var(--space-sm) 0;
}

.territorio-text h2 {
  margin-bottom: var(--space-xs);
}

.territorio-text p {
  color: var(--humus);
  margin-bottom: var(--space-sm);
  font-size: 1rem;
}

.territorio-expansion {
  background: var(--linen);
  border-left: 3px solid var(--leaf);
  padding: var(--space-sm) var(--space-md);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.territorio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-md);
}

.territorio-tags span {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  background: var(--linen);
  border: 1px solid var(--sand);
  padding: 0.25rem 0.6rem;
  border-radius: 1px;
  color: var(--humus);
}

/* Map placeholder — typographic block design */
.map-placeholder {
  background: var(--bark);
  border-radius: var(--radius);
  height: 380px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-md);
}

.map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 52% 48%, rgba(61,90,64,0.25) 0%, transparent 60%),
    radial-gradient(ellipse at 44% 38%, rgba(61,90,64,0.15) 0%, transparent 40%);
}

.map-coords {
  position: relative;
  z-index: 1;
}

.coord-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sand);
  margin-bottom: 0.25rem;
}

.coord-val {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--linen);
}

.map-dots {
  position: absolute;
  inset: 0;
}

.dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.dot-primary {
  background: var(--leaf-lt);
}

.dot-secondary {
  background: var(--sand);
  width: 8px;
  height: 8px;
}

.dot-pulse {
  position: absolute;
  inset: -4px;
  border: 1px solid var(--leaf-lt);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.6); opacity: 0; }
}

.map-legend {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--sand);
  letter-spacing: 0.05em;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-dot.primary { background: var(--leaf-lt); }
.legend-dot.secondary { background: var(--sand); }

/* ── Metodologia ── */
.metodologia {
  background: var(--soil);
}

.metodologia .section-label {
  color: var(--sand);
}

.metodologia h2 {
  color: var(--linen);
}

.metodologia-lead {
  font-size: 1.15rem;
  color: var(--sand);
  max-width: 680px;
  margin-bottom: var(--space-xl);
}

.vantagens-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.vantagem {
  border-top: 1px solid var(--humus);
  padding-top: var(--space-md);
}

.vantagem-icon {
  font-size: 1.5rem;
  color: var(--leaf-lt);
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.vantagem h3 {
  color: var(--linen);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.vantagem p {
  color: var(--clay);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── Por que agora ── */
.porque {
  background: var(--linen);
}

.porque-finding {
  background: var(--cream);
  border: 1px solid var(--sand);
  border-left: 4px solid var(--terracotta);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-lg);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.finding-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 0.5rem;
}

.finding-statement {
  font-size: 1.25rem;
  color: var(--soil);
  font-style: italic;
  line-height: 1.5;
}

.porque-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

.player-card {
  background: var(--cream);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  padding: var(--space-md);
}

.player-card.biomas {
  background: var(--leaf);
  border-color: var(--leaf);
}

.player-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--soil);
  margin-bottom: 0.35rem;
}

.player-card.biomas .player-name {
  color: var(--white);
}

.player-scope {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--clay);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--sand);
}

.player-card.biomas .player-scope {
  color: rgba(255,255,255,0.7);
  border-bottom-color: rgba(255,255,255,0.2);
}

.player-gap {
  font-size: 0.875rem;
  color: var(--humus);
  line-height: 1.6;
}

.player-advantage {
  font-size: 0.875rem;
  color: var(--linen);
  line-height: 1.6;
  font-weight: 500;
}

/* ── Contact ── */
.contato {
  background: var(--cream);
  border-top: 1px solid var(--sand);
}

.contato-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: start;
}

.contato-text h2 {
  margin-bottom: var(--space-sm);
}

.contato-text p {
  color: var(--humus);
  margin-bottom: var(--space-sm);
}

.contato-en {
  font-style: italic;
  color: var(--clay) !important;
  font-size: 0.95rem !important;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--clay);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--soil);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 0.15s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--leaf);
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.form-status.success {
  background: rgba(61, 90, 64, 0.1);
  border: 1px solid var(--leaf);
  color: var(--leaf);
}

.form-status.error {
  background: rgba(160, 83, 58, 0.1);
  border: 1px solid var(--terracotta);
  color: var(--terracotta);
}

.btn-submit {
  padding: 0.9rem 2rem;
  background: var(--leaf);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s;
  align-self: flex-start;
}

.btn-submit:hover { background: var(--leaf-lt); }

/* ── Footer ── */
.footer {
  background: var(--bark);
  border-top: 1px solid var(--humus);
  padding: var(--space-lg) 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand .logo-mark {
  width: 28px;
  height: 28px;
  font-size: 0.85rem;
}

.footer-name {
  font-size: 0.85rem;
  color: var(--sand);
  font-weight: 600;
}

.footer-loc {
  font-size: 0.75rem;
  color: var(--clay);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  margin-top: 0.1rem;
}

.footer-contact a {
  font-size: 0.85rem;
  color: var(--clay);
  font-family: var(--font-mono);
  transition: color 0.15s;
}

.footer-contact a:hover { color: var(--sand); opacity: 1; }

/* ── Piracanga demo CTA (landing page) ── */
.btn-nav-demo {
  background: var(--leaf);
  color: var(--white) !important;
  border-color: var(--leaf) !important;
}
.btn-nav-demo:hover {
  background: var(--leaf-lt) !important;
  opacity: 1;
}

.territorio-demo-cta {
  margin-top: var(--space-md);
}

.btn-demo-pill {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--leaf);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 0.95rem;
  line-height: 1.4;
  transition: background 0.15s;
}

.btn-demo-pill:hover {
  background: var(--leaf-lt);
  opacity: 1;
}

.btn-demo-pill small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.7);
  margin-top: 0.1rem;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .nav-links { display: none; }

  .vantagens-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .territorio-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

  .contato-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

@media (max-width: 600px) {
  :root {
    --space-xl: 4rem;
    --space-2xl: 6rem;
  }

  .hero { padding: 5rem 0 var(--space-lg); }

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

  .map-placeholder {
    height: 260px;
  }

  .porque-finding {
    padding: var(--space-md);
  }
}