:root{
  --green-50:#f1f8f2;
  --green-100:#dcefe0;
  --green-500:#2f8f4e;
  --green-600:#25703e;
  --green-700:#1c5730;
  --ink:#16241a;
  --ink-soft:#4b5a4f;
  --paper:#fbfaf6;
  --paper-alt:#f2efe6;
  --line:#e2ddcf;
  --warn:#c4501f;
  --warn-bg:#fbeee6;
  --shadow:0 1px 2px rgba(22,36,26,.06),0 8px 24px -12px rgba(22,36,26,.18);
  --radius:16px;
  --serif:"Fraunces", Georgia, serif;
  --sans:"Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.hidden-field{position:absolute;left:-9999px;top:-9999px}

h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,4.2vw,3.4rem);letter-spacing:-.01em}
h1 em{font-style:italic;color:var(--green-600)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.15rem;margin-bottom:.4em}
p{margin:0 0 1em}
.center{text-align:center;margin-left:auto;margin-right:auto}

.eyebrow{
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.72rem;
  font-weight:700;
  color:var(--green-600);
  margin:0 0 .8em;
}
.section-lede{color:var(--ink-soft);font-size:1.05rem;max-width:640px}
.disclaimer{
  margin-top:2.5rem;
  padding:1rem 1.25rem;
  background:var(--paper-alt);
  border:1px solid var(--line);
  border-radius:12px;
  font-size:.88rem;
  color:var(--ink-soft);
  max-width:760px;
  margin-left:auto;margin-right:auto;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.85em 1.6em;
  border-radius:999px;
  font-weight:700;
  font-size:.95rem;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{background:var(--green-600);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--green-700);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--green-500);color:var(--green-600)}
.btn-small{padding:.6em 1.2em;font-size:.85rem}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,246,.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:1.5rem;
  padding-top:14px;padding-bottom:14px;
}
.logo{display:flex;align-items:center;gap:.5em;text-decoration:none;font-family:var(--serif);font-weight:600;font-size:1.2rem;color:var(--ink)}
.logo-mark{font-size:1.3rem}
.logo-dot{color:var(--green-600)}
.main-nav{display:flex;gap:1.75rem;margin-left:1rem;flex:1}
.main-nav a{text-decoration:none;color:var(--ink-soft);font-weight:500;font-size:.95rem}
.main-nav a:hover{color:var(--green-600)}
.nav-cta{margin-left:auto}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;padding:6px;cursor:pointer;margin-left:auto}
.nav-toggle span{width:22px;height:2px;background:var(--ink);display:block}

/* Hero */
.hero{padding:64px 0 40px}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero-lede{font-size:1.1rem;color:var(--ink-soft);max-width:520px}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin:1.5rem 0 1rem}
.hero-trust{font-size:.85rem;color:var(--ink-soft)}

.hero-visual{display:flex;justify-content:center}
.phone{
  width:260px;height:530px;
  background:linear-gradient(160deg,#20331f,#16241a);
  border-radius:38px;
  padding:14px;
  box-shadow:0 30px 60px -20px rgba(22,36,26,.45);
  position:relative;
}
.phone-notch{
  width:80px;height:18px;background:#0e160f;border-radius:0 0 12px 12px;
  position:absolute;top:14px;left:50%;transform:translateX(-50%);
}
.phone-screen{
  background:var(--green-50);
  height:100%;
  border-radius:26px;
  overflow:hidden;
  padding:40px 16px 16px;
  position:relative;
  display:flex;flex-direction:column;justify-content:space-between;
}
.scan-frame{
  flex:1;
  border:2px solid rgba(47,143,78,.4);
  border-radius:18px;
  position:relative;
  margin-bottom:16px;
  overflow:hidden;
}
.scan-line{
  position:absolute;left:8%;right:8%;height:2px;
  background:var(--green-500);
  box-shadow:0 0 10px 2px rgba(47,143,78,.6);
  animation:scan 2.4s ease-in-out infinite;
}
@keyframes scan{
  0%,100%{top:12%}
  50%{top:82%}
}
.corner{position:absolute;width:22px;height:22px;border:3px solid var(--green-600)}
.corner.tl{top:8px;left:8px;border-right:none;border-bottom:none;border-radius:6px 0 0 0}
.corner.tr{top:8px;right:8px;border-left:none;border-bottom:none;border-radius:0 6px 0 0}
.corner.bl{bottom:8px;left:8px;border-right:none;border-top:none;border-radius:0 0 0 6px}
.corner.br{bottom:8px;right:8px;border-left:none;border-top:none;border-radius:0 0 6px 0}

.result-card{
  background:#fff;border-radius:14px;padding:14px;box-shadow:var(--shadow);
}
.result-badge{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.04em;
  padding:.3em .7em;border-radius:999px;margin-bottom:.5em;
}
.result-badge.warn{background:var(--warn-bg);color:var(--warn)}
.result-title{font-weight:700;margin:0 0 .2em;font-size:.95rem}
.result-sub{margin:0;font-size:.8rem;color:var(--ink-soft)}

/* Sections */
.section{padding:88px 0}
.section.alt{background:var(--paper-alt)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
}
.card-icon{font-size:1.8rem;margin-bottom:.6em}
.card p{color:var(--ink-soft);font-size:.95rem;margin:0}

.substance-list{margin-top:48px;display:flex;flex-direction:column;gap:16px}
.substance{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 28px;
}
.substance-head{display:flex;align-items:baseline;gap:.6em;flex-wrap:wrap}
.substance-head h3{margin:0}
.substance-tag{
  font-family:var(--sans);font-size:.72rem;font-weight:700;
  color:var(--green-600);background:var(--green-100);
  padding:.25em .6em;border-radius:999px;
}
.substance p{color:var(--ink-soft);margin:.5em 0 0;font-size:.95rem}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.step{text-align:center}
.step-num{
  width:44px;height:44px;border-radius:50%;
  background:var(--green-600);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-weight:600;font-size:1.1rem;
  margin:0 auto 16px;
}
.step p{color:var(--ink-soft);font-size:.92rem}

/* Signup */
.signup{background:var(--green-700);color:#fff}
.signup h2{color:#fff}
.signup .eyebrow{color:var(--green-100)}
.signup .section-lede{color:rgba(255,255,255,.82)}
.signup-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.signup-form{display:flex;gap:12px}
.signup-form input[type="email"]{
  flex:1;
  padding:.95em 1.2em;
  border-radius:999px;
  border:1px solid transparent;
  font-size:.95rem;
  font-family:var(--sans);
}
.signup-form input[type="email"]:focus{outline:2px solid #fff;outline-offset:2px}
.form-note{grid-column:1/-1;font-size:.85rem;color:var(--green-100)}

/* Footer */
.site-footer{padding:40px 0;border-top:1px solid var(--line)}
.footer-inner{display:flex;flex-wrap:wrap;gap:12px 32px;align-items:center;justify-content:space-between;color:var(--ink-soft);font-size:.9rem}
.footer-logo{color:var(--ink-soft)}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:var(--green-600)}

@media (max-width:880px){
  .hero-inner{grid-template-columns:1fr;text-align:left}
  .hero-visual{order:-1;margin-bottom:8px}
  .phone{width:200px;height:410px}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .signup-inner{grid-template-columns:1fr}
  .main-nav{
    display:none;
    position:absolute;top:100%;left:0;right:0;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:8px 24px 16px;
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .main-nav a:last-child{border-bottom:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .site-header{position:sticky}
  .header-inner{position:relative}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
  .signup-form{flex-direction:column}
}