/* SeedSync - Landing Premium | Rastreabilidade Cannabis e Cânhamo */
:root {
  --green-deep: #1a3c34;
  --green-mid: #2d5a4a;
  --green-light: #4a7c59;
  --green-accent: #5b9a6a;
  --green-pale: #e8f0e8;
  --green-bg: rgba(232, 240, 232, 0.6);
  --cream: #faf8f5;
  --cream-warm: #f5f3ef;
  --text: #1a2e28;
  --text-muted: #4a5f56;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 12px rgba(26, 60, 52, 0.06);
  --shadow: 0 8px 32px rgba(26, 60, 52, 0.1);
  --shadow-lg: 0 20px 50px rgba(26, 60, 52, 0.12);
  --font-sans: "DM Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --transition: 0.25s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--wide {
  max-width: 1100px;
  padding: 0 1.5rem;
}

/* Scroll-triggered reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.reveal-in {
  opacity: 1;
  transform: translateY(0);
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(45, 90, 74, 0.08);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: block;
  text-decoration: none;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.88;
}

.logo img {
  display: block;
  height: 42px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  object-position: left center;
}

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

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav a:hover {
  color: var(--green-mid);
}

/* Hero */
.hero {
  padding: 4rem 0 5rem;
  text-align: center;
  background: linear-gradient(180deg, var(--cream-warm) 0%, var(--green-bg) 50%, var(--cream) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 100%;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(45, 90, 74, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-logo {
  margin-bottom: 2rem;
  animation: fadeInDown 0.7s ease-out;
}

.hero-logo img {
  width: 100%;
  max-width: 280px;
  height: auto;
  margin: 0 auto;
  display: block;
  filter: drop-shadow(var(--shadow-sm));
}

.hero h1 {
  font-size: clamp(1.85rem, 4.5vw, 2.5rem);
  font-weight: 700;
  color: var(--green-deep);
  margin: 0 0 0.85rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
  animation: fadeIn 0.8s ease-out 0.15s both;
}

.tagline {
  font-size: 1.25rem;
  color: var(--green-mid);
  font-weight: 600;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
  animation: fadeIn 0.8s ease-out 0.25s both;
}

.hero-desc {
  color: var(--text-muted);
  margin: 0 0 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.05rem;
  animation: fadeIn 0.8s ease-out 0.35s both;
}

.hero-partner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 1.25rem;
  margin-bottom: 2rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(45, 90, 74, 0.12);
  border-radius: var(--radius);
  animation: fadeIn 0.8s ease-out 0.4s both;
}

.hero-partner-text {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-partner-flag {
  font-size: 1.35rem;
  line-height: 1;
  color: var(--green-mid);
}

.hero-partner-logo {
  display: inline-flex;
  align-items: center;
  opacity: 0.9;
  transition: opacity var(--transition);
}

.hero-partner-logo:hover {
  opacity: 1;
}

.hero-partner-logo img {
  height: 22px;
  width: auto;
  max-width: 100px;
  display: block;
}

.cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--green-mid) 0%, var(--green-light) 100%);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  animation: fadeIn 0.8s ease-out 0.45s both;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(45, 90, 74, 0.25);
  opacity: 0.98;
}

.cta:active {
  transform: translateY(0);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--white);
  box-shadow: 0 -1px 0 rgba(26, 60, 52, 0.06);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green-light);
  margin-bottom: 0.5rem;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--green-deep);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

/* Card grid */
.card-grid {
  display: grid;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.benefits-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card-grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--white);
  border: 1px solid rgba(45, 90, 74, 0.1);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--green-pale);
  color: var(--green-mid);
  border-radius: var(--radius);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.card-icon--large {
  width: 3.25rem;
  height: 3.25rem;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.card strong,
.card h3 {
  display: block;
  font-size: 1.1rem;
  color: var(--green-deep);
  margin: 0 0 0.4rem;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.card--feature {
  padding: 2rem;
  text-align: center;
}

.card--feature h3 {
  font-size: 1.2rem;
}

/* Steps grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: none;
}

.step-card {
  background: var(--white);
  border: 1px solid rgba(45, 90, 74, 0.1);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  padding-top: 3rem;
  transition: box-shadow var(--transition);
}

.step-card:hover {
  box-shadow: var(--shadow);
}

.step-num {
  position: absolute;
  top: 1.25rem;
  left: 1.5rem;
  width: 2.25rem;
  height: 2.25rem;
  background: linear-gradient(135deg, var(--green-mid), var(--green-light));
  color: var(--white);
  border-radius: 50%;
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.step-card h3 {
  font-size: 1.1rem;
  color: var(--green-deep);
  margin: 0 0 0.4rem;
}

.step-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* CTA section */
.section-cta {
  text-align: center;
  padding: 5rem 0;
  background: linear-gradient(180deg, var(--cream) 0%, var(--green-pale) 100%);
}

.cta-block {
  max-width: 520px;
  margin: 0 auto;
}

.cta-block h2 {
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  color: var(--green-deep);
  margin: 0 0 0.5rem;
}

.cta-block p {
  margin: 0 0 0.5rem;
  color: var(--text-muted);
}

.cta-block .contact-info {
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.cta--block {
  display: inline-block;
  margin-top: 0.5rem;
}

.contact-info a {
  color: var(--green-mid);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition);
}

.contact-info a:hover {
  color: var(--green-deep);
}

.section-cta .contact-info {
  margin-top: 1rem;
}

/* Footer */
.footer {
  background: var(--green-deep);
  color: var(--green-pale);
  padding: 2rem 0;
  margin-top: 0;
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 500;
}

@media (max-width: 600px) {
  .container,
  .container--wide {
    padding: 0 1.25rem;
  }

  .logo img {
    height: 36px;
  }

  .nav {
    gap: 1rem;
  }

  .nav a {
    font-size: 0.9rem;
  }

  .hero {
    padding: 3rem 0 4rem;
  }

  .hero-logo img {
    max-width: 220px;
  }

  .hero-partner {
    flex-direction: column;
    padding: 0.9rem 1rem;
    margin-bottom: 1.5rem;
  }

  .hero-partner-text {
    text-align: center;
  }

  .section {
    padding: 3rem 0;
  }

  .section-head {
    margin-bottom: 2rem;
  }

  .benefits-grid,
  .card-grid--3 {
    grid-template-columns: 1fr;
  }

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

  .section-cta {
    padding: 3.5rem 0;
  }
}