/* ============================================
   Farmer Copilot — Brand Design System
   Palette from packages/shared_repo/lib/ui/theme/farm_colors.dart
   + the fc-logo emblem direction (deep forest / leaf / harvest).
   ============================================ */

:root {
  /* Primary brand */
  --forest-green: #558B2F;   /* primary accent */
  --forest-deep:  #1E3D22;   /* emblem field green — dark sections */
  --leaf:         #4C8F3A;   /* secondary leaf green */
  --earth-brown:  #5D4037;
  --harvest-amber:#FF8F00;
  --sky-blue:     #5B9BD5;
  --terracotta:   #D2691E;

  /* Neutrals */
  --cream: #FFF8E7;
  --sand:  #F5EFE0;
  --white: #FFFFFF;
  --light-gray: #E0E0E0;
  --medium-gray:#9E9E9E;
  --dark-gray:  #616161;
  --charcoal:   #3C3C3C;

  /* Semantic */
  --healthy: #4CAF50;
  --warning: #FFA726;
  --critical:#E53935;

  /* Spacing */
  --space-xs: 4px;  --space-sm: 8px;  --space-md: 12px; --space-lg: 16px;
  --space-xl: 24px; --space-2xl: 32px; --space-3xl: 48px; --space-4xl: 64px;

  /* Radius */
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-xl: 20px; --radius-full: 9999px;

  /* Shadows */
  --shadow-low:  0 2px 4px rgba(30,61,34,0.08);
  --shadow-md:   0 6px 16px rgba(30,61,34,0.10);
  --shadow-high: 0 14px 34px rgba(30,61,34,0.16);

  /* Type */
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
}

/* ============================================ Reset & base ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px; line-height: 1.6;
  color: var(--charcoal); background: var(--cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;            /* never scroll/clip the page horizontally */
}
img { max-width: 100%; display: block; }
a { color: var(--forest-green); text-decoration: none; transition: color .2s; }
a:hover { color: var(--earth-brown); }

h1, h2, h3, h4, h5 { font-family: var(--font-display); color: var(--earth-brown); line-height: 1.12; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5.2vw, 3.5rem); font-weight: 700; overflow-wrap: break-word; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.35rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-family: var(--font-body); font-weight: 700; color: var(--earth-brown); }

.eyebrow {
  font-family: var(--font-body); font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; font-size: .78rem; color: var(--forest-green);
  margin-bottom: var(--space-sm);
}

/* ============================================ Layout ============================================ */
.container { max-width: 1140px; margin: 0 auto; padding: 0 var(--space-xl); }
.container-narrow { max-width: 820px; }
.text-center { text-align: center; }

.section { padding: var(--space-4xl) 0; }
.section-sand { background: var(--sand); }
.section-dark { background: linear-gradient(160deg, var(--forest-deep) 0%, #163019 100%); }
.section-header { margin-bottom: var(--space-3xl); }
.section-subtitle { color: var(--dark-gray); font-size: 1.1rem; max-width: 660px; margin: var(--space-lg) auto 0; }

/* ============================================ Reveal ============================================ */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ============================================ Navigation ============================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,248,231,0.9);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30,61,34,0.08);
  transition: box-shadow .3s;
}
.nav.scrolled { box-shadow: var(--shadow-md); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { display: flex; align-items: center; gap: var(--space-sm); font-weight: 700; font-size: 1.15rem; color: var(--earth-brown); }
.nav-logo-mark { width: 34px; height: auto; }
.nav-logo-text { font-family: var(--font-display); font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: var(--space-xl); }
.nav-links a { color: var(--dark-gray); font-size: .95rem; font-weight: 600; }
.nav-links a:hover { color: var(--forest-deep); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: var(--space-sm); }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--earth-brown); margin: 5px 0; transition: .3s; }

/* ============================================ Buttons ============================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: var(--space-md) var(--space-xl); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-weight: 700; font-size: .95rem;
  border: 2px solid transparent; cursor: pointer; transition: all .2s; text-decoration: none;
}
.btn-primary { background: var(--forest-green); color: var(--white); }
.btn-primary:hover { background: #4a7a28; color: var(--white); }
.btn-outline { background: transparent; border-color: var(--earth-brown); color: var(--earth-brown); }
.btn-outline:hover { background: var(--earth-brown); color: var(--cream); }
.btn-sm { padding: var(--space-sm) var(--space-lg); font-size: .85rem; }
.btn-block { width: 100%; }

/* Google-Play-style store buttons */
.store-btn {
  display: inline-flex; align-items: center; gap: var(--space-md);
  padding: 12px 22px; border-radius: var(--radius-md);
  font-family: var(--font-body); font-weight: 700; line-height: 1.05;
  border: 2px solid transparent; transition: transform .15s, box-shadow .2s, background .2s;
}
.store-btn svg { width: 26px; height: 26px; flex: 0 0 auto; }
.store-btn span { display: flex; flex-direction: column; text-align: left; font-size: 1.05rem; }
.store-btn small { font-size: .68rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; opacity: .85; }
.store-btn-primary { background: var(--forest-green); color: var(--white); box-shadow: var(--shadow-md); }
.store-btn-primary svg { fill: var(--white); }
.store-btn-primary:hover { background: #4a7a28; color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-high); }
.store-btn-ghost { background: rgba(85,139,47,0.10); color: var(--forest-deep); }
.store-btn-ghost:hover { background: rgba(85,139,47,0.18); color: var(--forest-deep); transform: translateY(-2px); }
.store-btn-outline { background: transparent; border-color: rgba(255,248,231,0.5); color: var(--cream); }
.store-btn-outline:hover { background: rgba(255,248,231,0.12); color: var(--cream); transform: translateY(-2px); }

/* ============================================ Hero ============================================ */
.hero { position: relative; overflow: hidden; padding: calc(64px + var(--space-4xl)) 0 var(--space-4xl); background: linear-gradient(180deg, var(--cream) 0%, var(--sand) 100%); }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: url('images/hero-bg.webp') center/cover no-repeat;
  opacity: .07;
  mask-image: linear-gradient(180deg, transparent, #000 45%, #000 72%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 45%, #000 72%, transparent);
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--space-4xl); align-items: center; }
/* Grid/flex items default to min-width:auto, which lets the text column grow to
   its max-content width and overflow narrow screens. min-width:0 lets it shrink
   so the heading and copy wrap to the viewport. */
.hero-content, .hero-visual { min-width: 0; }
.hero-content h1, .hero-subtitle { max-width: 100%; }
.hero-badge {
  display: inline-block; padding: 6px var(--space-lg);
  background: rgba(85,139,47,0.14); color: var(--forest-deep);
  border-radius: var(--radius-full); font-size: .85rem; font-weight: 700; margin-bottom: var(--space-xl);
}
.hero h1 { margin-bottom: var(--space-lg); color: var(--forest-deep); }
.text-green { color: var(--forest-green); }
.text-cream { color: var(--cream); }
.text-cream-muted { color: rgba(255,248,231,0.78); }
.hero-subtitle { font-size: 1.18rem; color: var(--dark-gray); max-width: 560px; margin: 0 0 var(--space-xl); line-height: 1.65; }
.hero-subtitle strong { color: var(--earth-brown); }
.hero-pillars { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-md); margin-bottom: var(--space-2xl); }
.hero-pillars li { background: var(--white); border: 1px solid rgba(30,61,34,0.10); box-shadow: var(--shadow-low); padding: 6px var(--space-md); border-radius: var(--radius-full); font-size: .9rem; font-weight: 600; color: var(--earth-brown); }
.hero-cta { display: flex; gap: var(--space-lg); flex-wrap: wrap; margin-bottom: var(--space-md); }
.hero-note { font-size: .9rem; color: var(--medium-gray); }

.hero-visual { display: flex; justify-content: center; }
.phone { background: #14261a; padding: 10px; border-radius: 38px; box-shadow: var(--shadow-high); border: 1px solid rgba(0,0,0,.2); }
.phone img { width: 280px; height: auto; border-radius: 28px; display: block; }

/* ============================================ Pillars strip ============================================ */
.pillars-strip { background: var(--forest-deep); }
.pillars-strip-inner { display: flex; justify-content: space-around; flex-wrap: wrap; gap: var(--space-xl); padding: var(--space-2xl) var(--space-xl); }
.pillar { text-align: center; color: var(--cream); }
.pillar .stat-value { display: block; font-family: var(--font-display); font-weight: 700; font-size: 2rem; color: var(--harvest-amber); }
.pillar .stat-label { font-size: .85rem; color: rgba(255,248,231,0.72); }

/* ============================================ Value props ============================================ */
.value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-xl); }
.value-card { background: var(--white); padding: var(--space-xl); border-radius: var(--radius-lg); box-shadow: var(--shadow-low); transition: transform .2s, box-shadow .2s; }
.value-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.value-icon { width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); margin-bottom: var(--space-lg); }
.value-card h3 { margin-bottom: var(--space-sm); }
.value-card p { font-size: .95rem; color: var(--dark-gray); }

/* ============================================ Features ============================================ */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-xl); }
.feature-card { background: var(--white); padding: var(--space-2xl); border-radius: var(--radius-lg); box-shadow: var(--shadow-low); border: 1px solid rgba(30,61,34,0.06); transition: transform .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.feature-icon { font-size: 2rem; margin-bottom: var(--space-lg); }
.fc-green { color: var(--forest-green); } .fc-amber { color: var(--harvest-amber); }
.fc-blue { color: var(--sky-blue); } .fc-brown { color: var(--earth-brown); } .fc-terra { color: var(--terracotta); }
.feature-card h3 { margin-bottom: var(--space-sm); }
.feature-card p { font-size: .93rem; color: var(--dark-gray); }

/* ============================================ Screens scroller ============================================ */
.screens-scroller {
  display: flex; gap: var(--space-xl); overflow-x: auto; scroll-snap-type: x mandatory;
  padding: var(--space-lg) max(var(--space-xl), calc((100vw - 1140px) / 2)) var(--space-2xl);
  -webkit-overflow-scrolling: touch; scrollbar-width: thin;
}
.screen { scroll-snap-align: center; flex: 0 0 auto; text-align: center; }
.screen img { width: 234px; height: auto; border-radius: 22px; box-shadow: var(--shadow-high); border: 6px solid #14261a; background: #14261a; }
.screen figcaption { margin-top: var(--space-md); font-weight: 600; font-size: .9rem; color: var(--earth-brown); }

/* ============================================ Species ============================================ */
.species-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--space-lg); }
.species-card { background: var(--white); padding: var(--space-xl) var(--space-lg); border-radius: var(--radius-lg); text-align: center; box-shadow: var(--shadow-low); border-bottom: 3px solid var(--species-color, var(--earth-brown)); transition: transform .2s; }
.species-card:hover { transform: translateY(-3px); }
.species-emoji { font-size: 2.5rem; margin-bottom: var(--space-sm); }
.species-card h3 { margin-bottom: var(--space-xs); font-size: 1rem; }
.species-card p { font-size: .82rem; color: var(--medium-gray); }

/* ============================================ Pricing ============================================ */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-xl); align-items: start; }
.pricing-card { background: var(--white); padding: var(--space-2xl); border-radius: var(--radius-xl); box-shadow: var(--shadow-low); border: 1px solid rgba(30,61,34,0.08); position: relative; }
.pricing-card-featured { border: 2px solid var(--forest-green); box-shadow: var(--shadow-high); transform: scale(1.03); }
.pricing-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--forest-green); color: var(--white); padding: var(--space-xs) var(--space-lg); border-radius: var(--radius-full); font-size: .8rem; font-weight: 700; }
.pricing-tier { font-size: 1.1rem; font-weight: 700; color: var(--earth-brown); margin-bottom: var(--space-sm); }
.pricing-price { font-size: 2.4rem; font-weight: 700; color: var(--earth-brown); font-family: var(--font-display); }
.pricing-price span { font-size: 1rem; font-weight: 400; color: var(--medium-gray); }
.pricing-period { font-size: .85rem; color: var(--medium-gray); margin-bottom: var(--space-xl); }
.pricing-features { list-style: none; margin-bottom: var(--space-xl); }
.pricing-features li { padding: var(--space-sm) 0 var(--space-sm) 24px; border-bottom: 1px solid rgba(30,61,34,0.06); font-size: .93rem; color: var(--dark-gray); position: relative; }
.pricing-features li::before { content: '\2713'; position: absolute; left: 0; color: var(--forest-green); font-weight: 700; }
.pricing-note { margin-top: var(--space-2xl); font-size: .93rem; color: var(--dark-gray); }

/* ============================================ FAQ ============================================ */
.faq-list { display: flex; flex-direction: column; gap: var(--space-md); }
.faq-item { background: var(--white); border-radius: var(--radius-md); box-shadow: var(--shadow-low); overflow: hidden; }
.faq-item summary { padding: var(--space-lg) var(--space-xl); font-weight: 700; font-size: 1rem; color: var(--earth-brown); cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); }
.faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--medium-gray); }
.faq-item[open] summary::after { content: '\2212'; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { padding: 0 var(--space-xl) var(--space-lg); font-size: .95rem; color: var(--dark-gray); line-height: 1.7; }

/* ============================================ Download CTA ============================================ */
.get-inner { display: flex; flex-direction: column; align-items: center; }
.get-emblem { width: 88px; height: auto; margin-bottom: var(--space-lg); filter: drop-shadow(0 6px 14px rgba(0,0,0,.25)); }
.get-cta { justify-content: center; margin: var(--space-2xl) 0 var(--space-md); }
.get-note { font-size: .85rem; color: rgba(255,248,231,0.55); }

/* ============================================ Footer ============================================ */
.footer { background: var(--forest-deep); color: rgba(255,248,231,0.72); padding: var(--space-3xl) 0 var(--space-xl); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-2xl); margin-bottom: var(--space-2xl); }
.footer-logo { color: var(--cream); }
.footer-logo .nav-logo-text { color: var(--cream); }
.footer-tagline { font-size: .9rem; margin-top: var(--space-md); line-height: 1.6; }
.footer-links h4 { color: var(--cream); font-family: var(--font-body); font-size: .9rem; font-weight: 700; margin-bottom: var(--space-md); }
.footer-links a { display: block; color: rgba(255,248,231,0.65); font-size: .9rem; margin-bottom: var(--space-sm); }
.footer-links a:hover { color: var(--cream); }
.footer-bottom { border-top: 1px solid rgba(255,248,231,0.12); padding-top: var(--space-xl); font-size: .82rem; text-align: center; color: rgba(255,248,231,0.5); }

/* ============================================ Responsive ============================================ */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: var(--space-2xl); }
  .hero-content { text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-pillars, .hero-cta { justify-content: center; }
  .hero-visual { order: -1; }
  .phone img { width: 240px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--cream); flex-direction: column; padding: var(--space-xl); gap: var(--space-lg); box-shadow: var(--shadow-high); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
  .pricing-card-featured { transform: none; }
  .hero { padding-top: calc(64px + var(--space-2xl)); }
  .species-grid { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
}
@media (max-width: 600px) {
  .hero-cta, .get-cta { flex-direction: column; align-items: center; }
  .hero-content .hero-cta { align-items: stretch; }
  .store-btn { width: 100%; max-width: 340px; justify-content: center; }
}
@media (max-width: 560px) {
  /* Stat tiles wrap to a comfortable 2×2 instead of a cramped single row. */
  .pillars-strip-inner { flex-wrap: wrap; gap: var(--space-xl) var(--space-md); }
  .pillar { flex: 1 1 40%; min-width: 0; }
}
@media (max-width: 480px) {
  .container { padding: 0 var(--space-lg); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
}