/* ===== PlantDoc — AI Plant Identification App Landing Page ===== */
/* Green/Nature Theme for Paddle Approval */

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

:root{
  /* Primary: Nature Green */
  --primary:#16a34a;
  --primary-dark:#15803d;
  --primary-light:#22c55e;
  --primary-bg:#f0fdf4;

  /* Accents */
  --accent:#059669;
  --accent-light:#d1fae5;
  --warning:#f59e0b;
  --danger:#dc2626;

  /* Neutrals */
  --bg:#fafafa;
  --card:#fff;
  --text:#1a1a2e;
  --text-light:#64748b;
  --border:#e2e8f0;
  --radius:16px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 4px 12px rgba(0,0,0,.04);
  --shadow-lg:0 8px 30px rgba(22,163,74,.12);
}

body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Inter',Roboto,'Helvetica Neue',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{text-decoration:underline;color:var(--primary-dark)}

/* ===== Buttons ===== */
.btn{
  display:inline-block;
  padding:.75rem 1.75rem;
  border-radius:10px;
  font-weight:600;
  font-size:.95rem;
  cursor:pointer;
  border:none;
  transition:all .25s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(22,163,74,.3)}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 4px 14px rgba(22,163,74,.4)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-white{background:#fff;color:var(--primary);font-weight:700}
.btn-white:hover{background:#f0fdf4}
.btn-sm{padding:.5rem 1.15rem;font-size:.85rem;border-radius:8px}
.btn-lg{padding:1rem 2.25rem;font-size:1.08rem;border-radius:12px}

/* ===== Navigation ===== */
.nav{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  padding:.9rem 2rem;
  position:sticky;top:0;z-index:100;
}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}
.logo{font-size:1.45rem;font-weight:800;color:var(--text);letter-spacing:-.3px}
.nav-links{display:flex;gap:1.6rem;align-items:center;font-size:.9rem}
.nav-links a{color:var(--text);font-weight:500}
.nav-links a:hover{text-decoration:none;color:var(--primary)}

/* ===== Hero ===== */
.hero{
  text-align:center;
  padding:6.5rem 2rem 5rem;
  background:linear-gradient(165deg,#f0fdf4 0%,#ecfdf5 40%,#f0fdf4 100%);
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-50%;left:-20%;width:80%;height:100%;
  background:radial-gradient(circle,rgba(34,197,94,.07) 0%,transparent 70%);
  pointer-events:none;
}
.hero-badge{
  display:inline-block;
  background:var(--accent-light);
  color:var(--accent);
  padding:.45rem 1.2rem;
  border-radius:50px;
  font-weight:600;
  font-size:.85rem;
  margin-bottom:1.5rem;
  letter-spacing:.3px;
}
.hero h1{
  font-size:3.4rem;
  font-weight:900;
  line-height:1.15;
  margin-bottom:1.3rem;
  color:var(--text);
  letter-spacing:-1px;
  max-width:720px;
  margin-left:auto;margin-right:auto;
}
.hero h1 .highlight{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p{
  font-size:1.18rem;
  color:var(--text-light);
  max-width:580px;
  margin:0 auto 2rem;
  line-height:1.7;
}
.hero-stats{
  display:flex;
  gap:3rem;
  justify-content:center;
  margin:2.5rem auto 2rem;
  max-width:480px;
}
.stat strong{
  display:block;font-size:1.85rem;color:var(--primary);font-weight:800
}
.stat span{font-size:.82rem;color:var(--text-light);font-weight:500}
.hero-btns{display:flex;gap:1rem;justify-content:center;margin-bottom:1.2rem}
.hero-note{font-size:.83rem;color:var(--text-light);opacity:.8}

/* ===== Sections ===== */
.section{
  padding:5rem 2rem;
  max-width:1100px;
  margin:0 auto;
}
.section h2{
  text-align:center;
  font-size:2.2rem;
  font-weight:800;
  margin-bottom:.8rem;
  color:var(--text);
}
.subtitle{
  text-align:center;
  color:var(--text-light);
  font-size:1.08rem;
  margin-bottom:3rem;
  max-width:550px;
  margin-left:auto;margin-right:auto;
}

/* ===== How It Works (Steps) ===== */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2rem;
}
.step-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:2.2rem 1.8rem;
  text-align:center;
  transition:transform .25s,box-shadow .25s;
  box-shadow:var(--shadow);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step-num{
  width:48px;height:48px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;font-weight:800;
  margin:0 auto 1.2rem;
}
.step-card h3{margin-bottom:.7rem;font-size:1.15rem}
.step-card p{color:var(--text-light);font-size:.95rem}

/* ===== Features ===== */
.features{padding:5rem 2rem;max-width:1150px;margin:0 auto}
.features h2{text-align:center;font-size:2.2rem;margin-bottom:.8rem}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:1.8rem;
}
.feature-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:2rem;
  transition:transform .25s,box-shadow .25s;
  box-shadow:var(--shadow);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature-icon{font-size:2.6rem;margin-bottom:1rem;display:block}
.feature-card h3{margin-bottom:.65rem;font-size:1.15rem;color:var(--text)}
.feature-card p{color:var(--text-light);font-size:.94rem;line-height:1.65}

/* Labels */
.label{
  display:inline-block;
  padding:.15rem .6rem;
  border-radius:6px;
  font-size:.78rem;
  font-weight:700;
}
.label-green{background:#dcfce7;color:#166534}
.label-yellow{background:#fef9c3;color:#854d0e}
.label-red{background:#fee2e2;color:#991b1b}
.health-score{display:inline-block;padding:.2rem .7rem;border-radius:8px;font-weight:700;font-size:.88rem}
.score-good{background:#dcfce7;color:#166534}
.score-warn{background:#fef9c3;color:#854d0e}
.score-bad{background:#fee2e2;color:#991b1b}

/* ===== Demo / Screenshots ===== */
.demo-section{background:linear-gradient(180deg,var(--bg) 0%,var(--primary-bg) 100%);padding:5rem 2rem;max-width:1100px;margin:0 auto;border-radius:24px}
.demo-cards{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:1.2rem;
  flex-wrap:wrap;
}
.demo-card{flex:1;min-width:220px;max-width:280px}
.demo-mockup{
  background:var(--card);
  border:2px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--shadow);
  min-height:200px;
}
.mockup-header{
  background:linear-gradient(90deg,var(--primary),var(--accent));
  color:#fff;
  padding:.8rem 1.2rem;
  font-weight:700;
  font-size:.95rem;
}
.mockup-body{
  padding:1.5rem;
  color:var(--text);
  font-size:.9rem;line-height:1.8;
}
.demo-arrow{
  font-size:2rem;
  color:var(--primary);
  font-weight:700;
}

/* ===== Pricing ===== */
.pricing{padding:5rem 2rem;background:var(--card)}
.pricing h2{text-align:center;font-size:2.2rem;margin-bottom:.5rem}
.pricing .subtitle{margin-bottom:3rem}
.price-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:2rem;
  max-width:1020px;
  margin:0 auto;
}
.price-card{
  border:2px solid var(--border);
  border-radius:var(--radius);
  padding:2.5rem 2rem;
  text-align:center;
  transition:transform .25s,box-shadow .25s;
  background:var(--card);
  position:relative;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.price-card.featured{
  border-color:var(--primary);
  background:linear-gradient(180deg,var(--primary-bg) 0%,#fff 60%);
  box-shadow:var(--shadow-lg);
}
.price-card.featured::before{
  content:'⭐ Most Popular';
  position:absolute;
  top:-13px;left:50%;
  transform:translateX(-50%);
  background:linear-gradient(90deg,var(--primary),var(--accent));
  color:#fff;
  padding:.35rem 1.4rem;
  border-radius:20px;
  font-size:.78rem;
  font-weight:700;
  white-space:nowrap;
  letter-spacing:.3px;
}
.price-card h3{font-size:1.4rem;margin-bottom:.3rem}
.price-card > p{color:var(--text-light);font-size:.9rem;margin-bottom:.8rem}
.price{font-size:3rem;font-weight:900;margin:1.2rem 0 .8rem;color:var(--text)}
.price span{font-size:1rem;font-weight:400;color:var(--text-light)}
.price-card ul{list-style:none;text-align:left;margin:1.5rem 0 2rem}
.price-card li{
  padding:.55rem 0;
  border-bottom:1px solid #f1f5f9;
  color:var(--text-light);
  font-size:.93rem;
  display:flex;
  align-items:center;
  gap:.6rem;
}
.price-card li::before{content:'✓';color:var(--primary);font-weight:800;font-size:1.1rem}
.price-card .btn{width:100%}
.pricing-note{
  text-align:center;
  margin-top:2rem;
  padding-top:1.5rem;
  border-top:1px solid var(--border);
  max-width:650px;
  margin-left:auto;margin-right:auto;
}
.pricing-note p{color:var(--text-light);font-size:.85rem}

/* ===== Testimonials ===== */
.testimonials{padding:5rem 2rem;max-width:1050px;margin:0 auto}
.testimonial-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:1.8rem;
  margin-top:2rem;
}
.testimonial-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:2rem;
  box-shadow:var(--shadow);
}
.testimonial-card p{
  font-style:italic;
  color:var(--text);
  line-height:1.7;
  margin-bottom:1.2rem;
  font-size:.96rem;
}
.testimonial-author{
  font-weight:700;
  color:var(--primary);
  font-size:.9rem;
}

/* ===== CTA ===== */
.cta{
  text-align:center;
  padding:5.5rem 2rem;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;
}
.cta h2{font-size:2.2rem;margin-bottom:1rem;color:#fff;font-weight:900}
.cta p{margin-bottom:2rem;opacity:.92;font-size:1.1rem;max-width:520px;margin-left:auto;margin-right:auto}
.cta-note{margin-top:1.5rem;font-size:.9rem;opacity:.75}

/* ===== Footer ===== */
.footer{
  background:#111827;
  color:#94a3b8;
  padding:4rem 2rem 2rem;
}
.footer-brand{margin-bottom:2.5rem;text-align:center}
.logo-lg{font-size:1.6rem;font-weight:800;color:#fff;display:block;margin-bottom:.5rem}
.footer-brand p{font-size:.9rem}
.footer-links{
  display:flex;
  justify-content:center;
  gap:4rem;
  flex-wrap:wrap;
  max-width:700px;
  margin:0 auto 2.5rem;
}
.footer-col h4{color:#fff;margin-bottom:.8rem;font-size:.9rem}
.footer-col a{display:block;color:#94a3b8;font-size:.88rem;margin-bottom:.45rem}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-bottom{
  text-align:center;
  padding-top:2rem;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:.82rem;
}
.footer-bottom p{margin-bottom:.3rem}
.footer-bottom a{color:#64748b}

/* ===== Legal Pages ===== */
.legal{
  max-width:780px;
  margin:0 auto;
  padding:5rem 2rem;
}
.legal h1{
  font-size:2rem;
  margin-bottom:.5rem;
  color:var(--text);
}
.legal .last-updated{
  color:var(--text-light);
  font-size:.9rem;
  margin-bottom:2.5rem;
}
.legal h2{
  font-size:1.25rem;
  margin:2rem 0 1rem;
  color:var(--primary);
  font-weight:700;
}
.legal p,
.legal li{
  color:var(--text-light);
  margin-bottom:.8rem;
  font-size:.95rem;
  line-height:1.75;
}
.legal ul{padding-left:1.5rem}
.legal strong{color:var(--text)}

/* ===== Product Suite (multi-product company) ===== */
.suite-badge{
  display:inline-block;
  padding:.25rem .7rem;
  border-radius:20px;
  font-size:.74rem;
  font-weight:800;
  letter-spacing:.02em;
  margin-bottom:1rem;
}
.badge-live{background:#dcfce7;color:#166534;border:1px solid #86efac}
.badge-dev{background:#f1f5f9;color:#475569;border:1px solid #e2e8f0}
.suite-card-live{border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(22,163,74,.08)}
.suite-tag{
  display:block;
  color:var(--accent)!important;
  font-weight:700;
  font-size:.85rem!important;
  margin-bottom:.7rem;
}
.suite-list{
  padding-left:1.1rem;
  margin:.6rem 0 .9rem;
  text-align:left;
}
.suite-list li{
  color:var(--text-light);
  font-size:.88rem;
  line-height:1.55;
  margin-bottom:.45rem;
}
.muted{
  display:inline-block;
  font-size:.82rem;
  font-weight:700;
  color:var(--text-light);
  background:#f1f5f9;
  padding:.2rem .7rem;
  border-radius:8px;
}

/* ===== Responsive ===== */
@media(max-width:768px){
  .hero h1{font-size:2.2rem}
  .hero p{font-size:1rem}
  .hero-stats{gap:1.5rem}
  .hero-btns{flex-direction:column;align-items:center}
  .steps-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr;max-width:380px}
  .demo-cards{flex-direction:column}
  .demo-arrow{transform:rotate(90deg)}
  .nav-links{gap:.8rem;font-size:.82rem}
  .footer-links{flex-direction:column;gap:2rem;text-align:center}
  .section h2{font-size:1.7rem}
  .pricing h2{font-size:1.7rem}
  .cta h2{font-size:1.7rem}
}