/* Stone PJ - Vanilla CSS (mirrors Tailwind design) */
:root{
  --stone-green:#0a4b25;
  --stone-green-dark:#073a1c;
  --stone-lime:#a8f04b;
  --stone-lime-bright:#3ddc4a;
  --stone-cta:#00c800;
  --stone-cta-text:#000;
  --font-display:"Anton","Impact","Arial Narrow",sans-serif;
  --font-sans:"Inter",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--font-sans);background:var(--stone-green);color:#fff;-webkit-font-smoothing:antialiased;line-height:1.5}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* Layout helpers */
.main{min-height:100vh}
.container{max-width:1400px;margin:0 auto}
.container-narrow{max-width:1100px;margin:0 auto}

/* Hero */
.hero{position:relative;overflow:hidden;padding:24px 16px 96px}
@media(min-width:768px){.hero{padding-left:32px;padding-right:32px}}

.nav{display:flex;align-items:center;justify-content:space-between;background:#fff;border-radius:9999px;padding:12px 24px}
@media(min-width:768px){.nav{padding:16px 40px}}
.nav-logo{height:28px;width:auto;display:block}
@media(min-width:768px){.nav-logo{height:32px}}
.nav-right{display:flex;align-items:center;gap:24px}
@media(min-width:768px){.nav-right{gap:40px}}
.nav-link{color:var(--stone-green);font-weight:600;font-size:14px;display:none}
@media(min-width:768px){.nav-link{display:inline}}

.btn-cta{display:inline-block;background:var(--stone-cta);color:var(--stone-cta-text);font-weight:600;border-radius:9999px;padding:10px 20px;font-size:14px;transition:filter .2s;text-align:center}
.btn-cta:hover{filter:brightness(.95)}
@media(min-width:768px){.btn-cta{padding-left:24px;padding-right:24px}}

.btn-cta-lg{display:inline-block;background:var(--stone-cta);color:var(--stone-cta-text);font-weight:600;border-radius:9999px;padding:16px 32px;font-size:16px;transition:filter .2s;text-align:center}
.btn-cta-lg:hover{filter:brightness(.95)}

.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;margin-top:40px;padding:0 8px}
@media(min-width:768px){.hero-grid{grid-template-columns:1fr 1fr;gap:48px;margin-top:96px;padding:0 48px}}

.hero-text{order:2}
.hero-image-wrap{order:1;display:flex;justify-content:center;position:relative}
@media(min-width:768px){
  .hero-text{order:1}
  .hero-image-wrap{order:2;justify-content:flex-end}
}
.hero-image{width:100%;max-width:28rem;filter:drop-shadow(0 25px 25px rgba(0,0,0,.5))}
@media(min-width:768px){.hero-image{max-width:36rem}}

.eyebrow{font-size:14px;font-weight:700;letter-spacing:.1em;color:var(--stone-lime)}
.hero-title{font-family:var(--font-display);font-size:1.875rem;line-height:.9;text-transform:uppercase;color:#fff;margin-top:16px}
@media(min-width:768px){.hero-title{font-size:3rem;margin-top:24px}}
@media(min-width:1024px){.hero-title{font-size:3.75rem}}
.hero-desc{margin-top:24px;max-width:32rem;font-size:16px;color:rgba(255,255,255,.8)}
@media(min-width:768px){.hero-desc{margin-top:32px;font-size:18px}}
.hero-text .btn-cta-lg{margin-top:24px}
@media(min-width:768px){.hero-text .btn-cta-lg{margin-top:32px}}

/* Section 2 - White */
.section-form{background:#fff;color:var(--stone-green);padding:64px 16px}
@media(min-width:768px){.section-form{padding-left:32px;padding-right:32px}}
.form-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media(min-width:768px){.form-grid{grid-template-columns:1fr 1fr;padding:0 32px}}
.form-image{display:flex;justify-content:center}
@media(min-width:768px){.form-image{justify-content:flex-start}}
.form-image img{width:100%;max-width:32rem}
.form-title{font-family:var(--font-display);font-size:1.875rem;line-height:.9;text-transform:uppercase}
@media(min-width:768px){.form-title{font-size:2.25rem}}
@media(min-width:1024px){.form-title{font-size:3rem}}
.form-subtitle{margin-top:16px;font-size:14px;color:rgba(10,75,37,.7)}

form.stone-form{margin-top:24px;display:grid;gap:16px}
.form-row{display:grid;gap:8px}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row label{font-weight:600;font-size:14px}
.form-row input{
  height:36px;padding:4px 12px;border:1px solid #e5e7eb;border-radius:8px;
  font:inherit;background:#fff;color:var(--stone-green);width:100%;outline:none;
  transition:border-color .15s,box-shadow .15s;
}
.form-row input:focus{border-color:var(--stone-green);box-shadow:0 0 0 3px rgba(10,75,37,.15)}
.form-submit{margin-top:8px;width:fit-content;display:inline-flex;align-items:center;justify-content:center;background:var(--stone-cta);color:var(--stone-cta-text);font-weight:600;border-radius:9999px;padding:12px 32px;font-size:16px;transition:filter .2s}
.form-submit:hover{filter:brightness(.95)}

/* Alerts */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.alert-success{background:#dcfce7;color:#166534;border:1px solid #86efac}
.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}

/* Section 3 - Dark */
.section-dark{background:#111512;padding:96px 16px}
@media(min-width:768px){.section-dark{padding-left:32px;padding-right:32px}}
.dark-inner{text-align:center}
.dark-title{font-family:var(--font-display);font-size:1.5rem;line-height:.95;text-transform:uppercase;color:#fff;max-width:72rem;margin:0 auto}
@media(min-width:768px){.dark-title{font-size:1.875rem}}
@media(min-width:1024px){.dark-title{font-size:2.25rem}}
.dark-title .lime{color:var(--stone-lime)}
.dark-actions{margin-top:40px;display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.btn-whatsapp{display:inline-flex;align-items:center;gap:12px;background:var(--stone-green-dark);color:#fff;font-weight:600;border-radius:9999px;padding:16px 32px;font-size:16px;transition:background .2s}
.btn-whatsapp:hover{background:var(--stone-green)}
.btn-whatsapp svg{width:20px;height:20px;fill:#fff}

.footer{margin-top:96px;padding-top:32px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;align-items:flex-start;gap:24px}
@media(min-width:768px){.footer{flex-direction:row;align-items:center;justify-content:space-between}}
.footer p{max-width:64rem;text-align:left;font-size:12px;line-height:1.55;color:rgba(255,255,255,.5)}
.footer img{height:80px;width:auto;flex-shrink:0}