/* AgX Technologies — Professional AgTech Design System */

:root {
  --color-white: #ffffff;
  --color-bg: #f8faf9;
  --color-bg-alt: #f0f4f2;
  --color-green: #2d6a4f;
  --color-green-light: #40916c;
  --color-green-dark: #1b4332;
  --color-blue: #1d3557;
  --color-blue-light: #457b9d;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e8ece9;
  --color-gray-400: #94a3b8;
  --color-gray-600: #64748b;
  --color-gray-800: #334155;
  --color-gray-900: #1e293b;
  --color-text: #2c3e50;
  --color-text-muted: #5a6b7d;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --header-height: 72px;
  --transition: 0.2s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-green);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-green-dark);
}

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.25;
  color: var(--color-gray-900);
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

p {
  color: var(--color-text-muted);
}

.lead {
  font-size: 1.125rem;
  line-height: 1.7;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-green);
  margin-bottom: 0.75rem;
}

.disclaimer {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-blue-light);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-top: 2rem;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section--alt {
  background-color: var(--color-bg);
}

.section-header {
  max-width: 720px;
  margin-bottom: 3rem;
}

.section-header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-gray-200);
  height: var(--header-height);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-gray-900);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-green);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-green) 0%, var(--color-blue) 100%);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.875rem;
  font-weight: 700;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-desktop a {
  color: var(--color-gray-800);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--color-green);
  background: var(--color-bg);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-gray-800);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-md);
  padding: 1rem 1.5rem;
  z-index: 99;
}

.nav-mobile.open {
  display: block;
}

.nav-mobile a {
  display: block;
  color: var(--color-gray-800);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.nav-mobile a:last-child {
  border-bottom: none;
}

.nav-mobile a:hover,
.nav-mobile a.active {
  color: var(--color-green);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-green);
  color: var(--color-white);
  border-color: var(--color-green);
}

.btn-primary:hover {
  background: var(--color-green-dark);
  border-color: var(--color-green-dark);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-blue);
  border-color: var(--color-blue);
}

.btn-secondary:hover {
  background: var(--color-blue);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(27, 67, 50, 0.88) 0%,
    rgba(29, 53, 87, 0.75) 100%
  );
}

.hero .container {
  position: relative;
  z-index: 1;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.hero-content {
  max-width: 720px;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.hero .btn-secondary {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.hero .btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-green-dark);
  border-color: var(--color-white);
}

/* Page Hero (inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-blue) 100%);
  padding: 4rem 0;
  text-align: center;
}

.page-hero h1 {
  color: var(--color-white);
}

.page-hero .lead {
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 1rem auto 0;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-green-light);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-green);
}

.card h3 {
  margin-bottom: 0.75rem;
  color: var(--color-gray-900);
}

.card p {
  font-size: 0.9375rem;
}

/* Content blocks */
.content-block {
  max-width: 760px;
}

.content-block p + p {
  margin-top: 1.25rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.content-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.content-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.content-image--screenshot {
  background: #0d1b2a;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.content-image--screenshot img {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  image-rendering: auto;
}

/* Phase timeline */
.phases {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.phase {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.phase:last-child {
  border-bottom: none;
}

.phase-number {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-green) 0%, var(--color-blue) 100%);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
}

.phase h3 {
  margin-bottom: 0.5rem;
}

.phase p {
  font-size: 0.9375rem;
}

/* Partner list */
.partner-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.partner-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius);
}

.partner-item svg {
  flex-shrink: 0;
  color: var(--color-green);
  margin-top: 2px;
}

.partner-item span {
  font-size: 0.9375rem;
  color: var(--color-text);
  font-weight: 500;
}

/* Market need sections */
.need-section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.need-section:last-child {
  border-bottom: none;
}

.need-section h3 {
  color: var(--color-green-dark);
  margin-bottom: 0.75rem;
}

/* Contact form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h3 {
  margin-bottom: 1rem;
}

.contact-info p {
  margin-bottom: 1.5rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.contact-detail svg {
  flex-shrink: 0;
  color: var(--color-green);
  margin-top: 3px;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.12);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-card {
  background: var(--color-bg);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-success {
  display: none;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: 0.9375rem;
}

.form-success.show {
  display: block;
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-blue) 100%);
  padding: 4rem 0;
  text-align: center;
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 auto 1.5rem;
}

/* Footer */
.site-footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  max-width: 320px;
}

.footer-nav h4 {
  color: var(--color-white);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.footer-nav a {
  display: block;
  color: var(--color-gray-400);
  font-size: 0.875rem;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
}

.footer-bottom a {
  color: var(--color-gray-400);
}

.footer-bottom a:hover {
  color: var(--color-white);
}

/* Responsive */
@media (max-width: 900px) {
  .two-col,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .content-image {
    order: -1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: 70vh;
  }

  .phase {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .phase-number {
    width: 48px;
    height: 48px;
    font-size: 1rem;
  }
}