/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.06);
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.logo-dot {
  color: var(--color-accent);
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-interactive);
}
.nav-link:hover {
  color: var(--color-text);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  background: var(--color-surface);
  color: var(--color-text);
}
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}
.nav-mobile {
  padding: var(--space-4);
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  border-top: 1px solid var(--color-divider);
}
.nav-mobile.is-open {
  display: flex;
}
.nav-mobile-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive);
}
.nav-mobile-link:hover {
  background: var(--color-surface);
}

@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .nav-cta { display: none; }
  .mobile-menu-btn { display: flex; }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}
.btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--color-accent);
  color: #1a2e1a;
  font-weight: 600;
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
}
.btn-secondary:hover {
  background: var(--color-surface-offset);
  transform: translateY(-1px);
}

.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }

/* ===== HERO ===== */
.hero {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-4) clamp(var(--space-12), 6vw, var(--space-20));
}
.hero-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  margin-bottom: var(--space-6);
}
.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 50ch;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}
.hero-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.hero-visual {
  position: relative;
}
.hero-visual img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-sub { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-note { text-align: center; }
  .hero-heading { font-size: var(--text-xl); }
}

/* ===== SECTIONS ===== */
.section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-4);
}
.section-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-16));
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.section-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 55ch;
  margin-inline: auto;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  background: var(--color-surface);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.step {
  text-align: center;
  padding: var(--space-6);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: #1a2e1a;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.step-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.step-title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .steps-grid { grid-template-columns: 1fr; gap: var(--space-4); }
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.feature-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-interactive);
}
.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.feature-title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.feature-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ===== PRICING ===== */
.pricing-section {
  background: var(--color-dark-bg);
  color: var(--color-dark-text);
}
.pricing-section .section-title {
  color: var(--color-dark-text);
}
.pricing-section .section-sub {
  color: var(--color-dark-text-muted);
}
.pricing-card {
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-10);
  background: var(--color-dark-surface);
  border: 1px solid oklch(1 0 0 / 0.08);
  border-radius: var(--radius-xl);
  text-align: center;
}
.pricing-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: oklch(from var(--color-accent) l c h / 0.15);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-6);
}

[data-theme="dark"] .pricing-section {
  background: var(--color-surface);
}
[data-theme="dark"] .pricing-section .section-title,
[data-theme="dark"] .pricing-section .section-sub {
  color: var(--color-text);
}
[data-theme="dark"] .pricing-section .section-sub {
  color: var(--color-text-muted);
}
[data-theme="dark"] .pricing-card {
  background: var(--color-surface-2);
  border-color: var(--color-border);
}
[data-theme="dark"] .pricing-badge {
  background: oklch(from var(--color-accent) l c h / 0.15);
  color: var(--color-accent);
}
[data-theme="dark"] .pricing-amount .pricing-dollar,
[data-theme="dark"] .pricing-amount .pricing-unit,
[data-theme="dark"] .pricing-desc,
[data-theme="dark"] .pricing-list li,
[data-theme="dark"] .pricing-footnote {
  color: var(--color-text);
}
[data-theme="dark"] .pricing-desc,
[data-theme="dark"] .pricing-footnote {
  color: var(--color-text-muted);
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.pricing-dollar {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-dark-text);
}
.pricing-unit {
  font-size: var(--text-base);
  color: var(--color-dark-text-muted);
}
.pricing-desc {
  font-size: var(--text-sm);
  color: var(--color-dark-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
.pricing-list {
  list-style: none;
  text-align: left;
  margin-bottom: var(--space-8);
}
.pricing-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-dark-text);
  border-bottom: 1px solid oklch(1 0 0 / 0.06);
}
.pricing-list li:last-child { border-bottom: none; }
.pricing-list svg { flex-shrink: 0; }
.pricing-footnote {
  font-size: var(--text-xs);
  color: var(--color-dark-text-muted);
  margin-top: var(--space-4);
}

/* ===== FARMAPPER ===== */
.farmapper-card {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  padding: var(--space-10);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-xl);
}
.farmapper-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.farmapper-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-4);
}
.farmapper-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
  max-width: 50ch;
}
.farmapper-desc a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.farmapper-desc a:hover {
  color: var(--color-primary-hover);
}
.farmapper-visual {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .farmapper-card {
    flex-direction: column;
    text-align: center;
    padding: var(--space-6);
  }
  .farmapper-desc { margin-inline: auto; }
  .farmapper-visual { order: -1; }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-12) var(--space-4) var(--space-6);
}
.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.footer-brand {
  margin-bottom: var(--space-8);
}
.footer-logo {
  margin-bottom: var(--space-2);
}
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-links {
  display: flex;
  gap: var(--space-16);
  margin-bottom: var(--space-10);
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-col-title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
  font-weight: 600;
}
.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-link:hover {
  color: var(--color-text);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-attribution {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-attribution:hover {
  color: var(--color-text-muted);
}

@media (max-width: 560px) {
  .footer-links { flex-direction: column; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ===== NEWSLETTER ===== */
.newsletter-section {
  background: var(--color-bg);
}
.newsletter-card {
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
}
.newsletter-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.newsletter-desc {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-5);
  line-height: 1.6;
}
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.newsletter-input-group {
  display: flex;
  gap: var(--space-2);
}
.newsletter-input-group input[type="email"] {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.2s ease;
}
.newsletter-input-group input[type="email"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
}
.newsletter-submit {
  white-space: nowrap;
  flex-shrink: 0;
}
.newsletter-btn-loading {
  display: inline-flex;
  align-items: center;
}
.newsletter-status {
  font-size: var(--text-xs);
  margin-top: var(--space-1);
}
.newsletter-status.status-success {
  color: var(--color-accent);
}
.newsletter-status.status-error {
  color: #dc2626;
}

@media (max-width: 480px) {
  .newsletter-input-group {
    flex-direction: column;
  }
}

/* ===== CONTACT FORM ===== */
.contact-section {
  background: var(--color-bg);
}
.contact-card {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.contact-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.contact-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.contact-field label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}
.contact-field .required {
  color: #dc2626;
}
.contact-field input,
.contact-field select,
.contact-field textarea {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s ease;
}
.contact-field input:focus,
.contact-field select:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
}
.contact-field textarea {
  resize: vertical;
  min-height: 100px;
}
.contact-field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
}
.contact-submit {
  align-self: flex-start;
}
.contact-btn-loading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}
.contact-status {
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}
.contact-status.status-success {
  color: var(--color-accent);
}
.contact-status.status-error {
  color: #dc2626;
}
@media (max-width: 600px) {
  .contact-row {
    grid-template-columns: 1fr;
  }
  .contact-card {
    padding: var(--space-4);
  }
}

/* ===== SCROLL ANIMATIONS ===== */
/* JS handles the reveal via IntersectionObserver.
   Elements start visible (no flash of invisible content)
   and the JS adds the animation class. */
.fade-in-ready {
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-ready.is-visible {
  opacity: 1;
}