/* =========================================================
   Falcon Byte / FalconCrop AI: shared stylesheet
   ========================================================= */

:root {
  --green-900: #1B5E20;
  --green-700: #2E7D32;
  --green-500: #4CAF50;
  --green-200: #C5E1A5;
  --green-100: #E8F5E9;
  --green-50:  #F1F8E9;
  --earth:     #8D6E63;
  --bg:        #FAF8F3;
  --surface:   #FFFFFF;
  --text:      #1F2A1F;
  --muted:     #5B6B5B;
  --border:    #E3E8DF;

  --radius:    16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(27, 94, 32, .06), 0 1px 2px rgba(0, 0, 0, .04);
  --shadow:    0 6px 20px rgba(27, 94, 32, .08);
  --shadow-lg: 0 16px 40px rgba(27, 94, 32, .14);
  --ease:      cubic-bezier(.2, .7, .2, 1);

  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-head: "Poppins", var(--font-body);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--green-700); text-decoration: none; }
a:hover { color: var(--green-900); }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.2; margin: 0 0 .5em; color: var(--text); }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); letter-spacing: -.01em; }
h3 { font-size: 1.15rem; }
p  { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--green-500); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }

.section { padding: 96px 0; }
.section-tint { background: var(--green-50); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green-700);
  background: var(--green-100);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.highlight { color: var(--green-700); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 560px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: 600 1rem/1 var(--font-body);
  padding: 15px 28px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s;
}
.btn-primary { background: var(--green-700); color: #fff; box-shadow: 0 6px 16px rgba(46, 125, 50, .28); }
.btn-primary:hover { background: var(--green-900); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 22px rgba(46, 125, 50, .34); }
.btn-ghost { background: transparent; color: var(--green-700); border-color: var(--green-200); }
.btn-ghost:hover { background: var(--green-100); transform: translateY(-2px); }
.btn-sm { padding: 10px 18px; font-size: .9rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .65; cursor: progress; transform: none; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 243, .88);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.navbar.scrolled { border-color: var(--border); box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; color: var(--text); }
.logo:hover { color: var(--green-700); }
.logo-icon { width: 34px; height: 34px; flex-shrink: 0; }
.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-link { position: relative; font-weight: 500; color: var(--muted); padding: 6px 0; }
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--green-700);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--green-700); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 10px;
  background: none;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 96px;
  background:
    radial-gradient(900px 500px at 90% 10%, rgba(197, 225, 165, .45), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, rgba(232, 245, 233, .9), transparent 60%);
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 28px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px 22px; list-style: none; padding: 0; margin: 0; color: var(--muted); font-size: .93rem; font-weight: 500; }

.hero-visual { display: flex; justify-content: center; }
.phone {
  width: 280px;
  padding: 12px;
  background: #1d261d;
  border-radius: 40px;
  box-shadow: var(--shadow-lg), 0 0 0 8px rgba(46, 125, 50, .08);
  animation: float 6s ease-in-out infinite;
}
.phone-screen { background: var(--bg); border-radius: 30px; padding: 18px 16px 22px; display: grid; gap: 12px; }
.scan-area {
  position: relative;
  height: 190px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, var(--green-100), var(--green-200));
  border-radius: 20px;
  overflow: hidden;
}
.scan-leaf { font-size: 88px; filter: drop-shadow(0 6px 10px rgba(27, 94, 32, .25)); }
.scan-line {
  position: absolute;
  left: 8%; right: 8%;
  height: 3px;
  background: var(--green-700);
  box-shadow: 0 0 14px 3px rgba(76, 175, 80, .7);
  border-radius: 3px;
  animation: scan 2.6s ease-in-out infinite;
}
.result-card { background: var(--surface); border-radius: 14px; padding: 14px; box-shadow: var(--shadow-sm); }
.result-label { margin: 0; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.result-title { margin: 2px 0 10px; font-family: var(--font-head); font-weight: 600; }
.confidence { height: 6px; background: var(--green-100); border-radius: 6px; overflow: hidden; }
.confidence span { display: block; height: 100%; background: var(--green-500); border-radius: 6px; }
.result-meta { margin: 6px 0 0; font-size: .75rem; color: var(--muted); }
.result-row { display: flex; justify-content: space-between; align-items: center; background: var(--surface); border-radius: 12px; padding: 10px 14px; font-size: .82rem; box-shadow: var(--shadow-sm); }
.result-row strong { color: var(--green-700); }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes scan  { 0%, 100% { top: 12%; } 50% { top: 85%; } }

/* ---------- Page hero (about) ---------- */
.page-hero {
  padding: 80px 0 64px;
  text-align: center;
  background: radial-gradient(800px 400px at 50% 0%, rgba(197, 225, 165, .5), transparent 70%);
}
.page-hero h1 { max-width: 820px; margin-left: auto; margin-right: auto; }
.page-hero .lead { margin: 0 auto; }

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: none; }
.step-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--green-200); }
.step-num {
  position: absolute;
  top: -14px; left: 24px;
  width: 32px; height: 32px;
  display: grid; place-items: center;
  font: 700 .9rem/1 var(--font-head);
  color: #fff;
  background: var(--green-700);
  border-radius: 50%;
  box-shadow: 0 4px 10px rgba(46, 125, 50, .35);
}
.step-icon { display: block; font-size: 2.2rem; margin-bottom: 14px; }
.step-card p { color: var(--muted); font-size: .95rem; margin: 0; }

/* ---------- Cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--green-200); }
.card-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  font-size: 1.7rem;
  background: var(--green-100);
  border-radius: 14px;
  margin-bottom: 20px;
  transition: transform .3s var(--ease), background .3s;
}
.card:hover .card-icon { transform: scale(1.08) rotate(-4deg); background: var(--green-200); }
.card p { color: var(--muted); margin: 0; }

/* ---------- Audience ---------- */
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.audience-card {
  text-align: center;
  padding: 40px 28px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), var(--green-50));
  border: 1px solid var(--border);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.audience-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.audience-icon {
  display: inline-grid; place-items: center;
  width: 84px; height: 84px;
  font-size: 2.6rem;
  background: var(--surface);
  border-radius: 50%;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.audience-card p { color: var(--muted); margin: 0; }

/* ---------- Impact ---------- */
.impact {
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  color: #fff;
  position: relative;
  overflow: hidden;
}
.impact::before {
  content: "";
  position: absolute;
  inset: auto -120px -160px auto;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: rgba(197, 225, 165, .12);
}
.section-head.light h2 { color: #fff; }
.section-head.light .eyebrow { background: rgba(255, 255, 255, .14); color: var(--green-200); }
.impact-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.impact-item {
  padding: 32px 28px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  transition: background .3s, transform .3s var(--ease);
}
.impact-item:hover { background: rgba(255, 255, 255, .14); transform: translateY(-4px); }
.impact-icon { display: block; font-size: 2.2rem; margin-bottom: 14px; }
.impact-item h3 { color: #fff; }
.impact-item p { color: rgba(255, 255, 255, .82); margin: 0; }

/* ---------- Forms ---------- */
.form-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 56px;
  box-shadow: var(--shadow);
}
.form-intro p { color: var(--muted); }
.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: center; font-weight: 500; }
.check-list li::before {
  content: "✓";
  display: grid; place-items: center;
  width: 24px; height: 24px; flex-shrink: 0;
  font-size: .8rem; font-weight: 700;
  color: var(--green-700);
  background: var(--green-100);
  border-radius: 50%;
}

.form { position: relative; display: grid; gap: 18px; }
.form-group { display: grid; gap: 6px; }
.form label { font-weight: 600; font-size: .92rem; }
.form input, .form select, .form textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  transition: border-color .2s, box-shadow .2s, background .2s;
  -webkit-appearance: none;
  appearance: none;
}
.form select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%232E7D32' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  padding-right: 40px;
}
.form textarea { resize: vertical; min-height: 130px; }
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--green-500);
  background: var(--surface);
  box-shadow: 0 0 0 4px rgba(76, 175, 80, .15);
}
.form .invalid { border-color: #C62828; background: #FFF5F5; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-error { margin: 0; color: #C62828; font-size: .9rem; font-weight: 500; }
.form-success {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  background: var(--surface);
  border-radius: var(--radius);
  animation: pop .45s var(--ease);
}
.form-success[hidden] { display: none; }
.form-success span { font-size: 3rem; margin-bottom: 12px; }
.form-success h3 { color: var(--green-700); font-size: 1.4rem; }
.form-success p { color: var(--muted); margin: 0; max-width: 320px; }
@keyframes pop { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: scale(1); } }

/* ---------- About page ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
.about-text p { color: var(--muted); font-size: 1.05rem; }
.mv-cards { display: grid; gap: 24px; }
.tech-grid .card { text-align: left; }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0 auto; max-width: 760px; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  top: 8px; bottom: 8px; left: 23px;
  width: 2px;
  background: linear-gradient(var(--green-700), var(--green-200));
}
.timeline-item { position: relative; display: flex; gap: 28px; padding-bottom: 32px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  font: 700 1.05rem/1 var(--font-head);
  color: var(--green-700);
  background: var(--surface);
  border: 2px solid var(--green-200);
  border-radius: 50%;
}
.timeline-item.current .timeline-dot { background: var(--green-700); color: #fff; border-color: var(--green-700); box-shadow: 0 0 0 6px rgba(46, 125, 50, .15); }
.timeline-card {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.timeline-card:hover { transform: translateX(6px); box-shadow: var(--shadow); }
.timeline-card p { color: var(--muted); margin: 0; }
.badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--green-700);
  color: #fff;
  margin-bottom: 10px;
}
.badge-muted { background: var(--green-100); color: var(--green-700); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 32px; align-items: start; }
.contact-info { display: grid; gap: 16px; }
.info-item {
  display: flex;
  gap: 16px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.info-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.info-icon { width: 48px; height: 48px; flex-shrink: 0; display: grid; place-items: center; font-size: 1.4rem; background: var(--green-100); border-radius: 12px; }
.info-item h3 { font-size: .95rem; margin: 0 0 2px; }
.info-item p, .info-item a { margin: 0; color: var(--muted); word-break: break-word; }
.info-item a:hover { color: var(--green-700); }
.contact-grid .form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 36px;
  box-shadow: var(--shadow);
}

/* ---------- Footer ---------- */
.footer { background: #172117; color: rgba(255, 255, 255, .75); padding: 56px 0 24px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; padding-bottom: 32px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer-brand { font: 700 1.2rem/1.2 var(--font-head); color: #fff; margin-bottom: 6px; }
.footer-tag { margin: 0; font-size: .93rem; }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; }
.footer-links a { color: rgba(255, 255, 255, .75); font-size: .95rem; }
.footer-links a:hover { color: var(--green-200); }
.footer-bottom { padding-top: 24px; font-size: .88rem; color: rgba(255, 255, 255, .5); }
.footer-bottom p { margin: 0; }

/* ---------- Scroll reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .form-wrap { padding: 40px; gap: 40px; }
}

@media (max-width: 860px) {
  .section { padding: 72px 0; }

  /* Mobile navigation */
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 20px 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform .3s var(--ease), opacity .3s, visibility .3s;
  }
  .nav-menu.open { transform: none; opacity: 1; visibility: visible; }
  .nav-link { padding: 14px 4px; border-bottom: 1px solid var(--border); }
  .nav-link::after { display: none; }
  .nav-cta { margin-top: 12px; padding: 14px; }

  .hero { padding: 48px 0 72px; }
  .hero-grid, .about-grid, .contact-grid, .form-wrap { grid-template-columns: 1fr; }
  .hero-text { text-align: center; }
  .hero .lead { margin: 0 auto; }
  .hero-actions, .hero-badges { justify-content: center; }
  .audience-grid, .impact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .steps, .card-grid { grid-template-columns: 1fr; }
  .section-head { margin-bottom: 40px; }
  .hero-actions .btn { width: 100%; }
  .phone { width: 250px; }
  .form-wrap { padding: 28px 20px; border-radius: 20px; }
  .contact-grid .form { padding: 28px 20px; }
  .timeline-item { gap: 16px; }
  .timeline-card { padding: 20px; }
  .footer-inner { flex-direction: column; }
  .footer-links { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}