/* ===== NutriTrack — sito vetrina ===== */
:root{
  --green:#1FA363;
  --green-dark:#157A49;
  --green-deep:#0E5A36;
  --green-light:#E6F5EC;
  --green-tint:#F2FBF5;
  --ink:#12261C;
  --muted:#5A6B61;
  --line:#DCE9E1;
  --white:#ffffff;
  --protein:#3B82F6;
  --carbs:#F59E0B;
  --fat:#EF4444;
  --shadow:0 18px 45px -20px rgba(14,90,54,.45);
  --radius:22px;
  --max:1140px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{line-height:1.15;margin:0 0 .4em;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,4vw,2.5rem)}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
a{color:var(--green-dark);text-decoration:none}
img,svg{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.eyebrow{
  display:inline-block;font-weight:700;font-size:.82rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--green-dark);
  background:var(--green-light);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.muted{color:var(--muted)}
.center{text-align:center}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:1rem;
  padding:14px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 12px 26px -12px rgba(31,163,99,.85)}
.btn-primary:hover{transform:translateY(-2px);background:var(--green-dark)}
.btn-ghost{background:#fff;color:var(--green-dark);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--green);transform:translateY(-2px)}
.btn-lg{padding:16px 32px;font-size:1.05rem}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.22rem;color:var(--ink)}
.brand .leaf{font-size:1.4rem}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--ink);font-weight:600;font-size:.95rem}
.nav-links a:hover{color:var(--green-dark)}
.nav-cta{display:flex;gap:10px;align-items:center}
.menu-toggle{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--ink)}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,var(--green-tint) 0%,var(--green-light) 55%,#D5EEDF 100%);
}
.hero-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:72px 0 90px;
}
.hero h1{font-size:clamp(2.2rem,5.2vw,3.6rem)}
.hero .lead{font-size:1.18rem;color:var(--muted);max-width:34ch;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-note{font-size:.9rem;color:var(--muted);display:flex;align-items:center;gap:8px}
.hero-note b{color:var(--green-deep)}
.trust{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px}
.trust div{font-size:.9rem;color:var(--muted)}
.trust b{display:block;font-size:1.5rem;color:var(--ink);font-weight:800}

/* ===== Phone mockup ===== */
.phone-wrap{display:flex;justify-content:center;position:relative}
.phone{
  width:290px;background:#0E1512;border-radius:42px;padding:12px;
  box-shadow:var(--shadow);position:relative;
}
.phone-screen{background:var(--green-tint);border-radius:32px;overflow:hidden;position:relative}
.app-top{
  background:linear-gradient(135deg,var(--green-dark),var(--green));color:#fff;
  padding:22px 20px 26px;border-radius:0 0 26px 26px;position:relative;
}
.app-hello{font-size:.85rem;opacity:.9}
.app-cat{position:absolute;top:10px;right:16px;font-size:1.8rem}
.ring{
  width:120px;height:120px;border-radius:50%;margin:12px auto 6px;
  background:conic-gradient(#fff 0 62%,rgba(255,255,255,.28) 62% 100%);
  display:flex;align-items:center;justify-content:center;
}
.ring-inner{width:96px;height:96px;border-radius:50%;background:var(--green-dark);display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-inner b{font-size:1.5rem;line-height:1}
.ring-inner span{font-size:.7rem;opacity:.85}
.app-macros{display:flex;justify-content:space-around;font-size:.72rem;text-align:center;margin-top:6px}
.app-macros b{display:block;font-size:.9rem}
.app-body{padding:14px}
.meal{background:#fff;border-radius:16px;padding:11px 13px;margin-bottom:10px;box-shadow:0 6px 16px -12px rgba(14,90,54,.5);display:flex;align-items:center;gap:11px}
.meal .ic{width:34px;height:34px;border-radius:10px;background:var(--green-light);display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.meal .m-name{font-weight:700;font-size:.85rem}
.meal .m-sub{font-size:.72rem;color:var(--muted)}
.meal .m-kcal{margin-left:auto;font-weight:800;font-size:.85rem;color:var(--green-dark)}
.badge-float{
  position:absolute;background:#fff;border-radius:14px;padding:10px 14px;font-size:.8rem;font-weight:700;
  box-shadow:var(--shadow);display:flex;align-items:center;gap:8px;
}
.badge-1{top:40px;left:-18px}
.badge-2{bottom:60px;right:-22px}

/* ===== Sections ===== */
section{padding:76px 0}
.section-head{max-width:720px;margin:0 auto 52px;text-align:center}
.section-head p{font-size:1.1rem;color:var(--muted)}

/* Feature grid */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--green-light)}
.feature .fi{
  width:52px;height:52px;border-radius:15px;background:var(--green-light);
  display:flex;align-items:center;justify-content:center;font-size:1.55rem;margin-bottom:16px;
}
.feature h3{margin-bottom:.35em}
.feature p{font-size:.96rem;color:var(--muted);margin:0}

/* Alt background */
.bg-tint{background:var(--green-tint)}
.bg-deep{background:linear-gradient(160deg,var(--green-deep),var(--green-dark));color:#fff}
.bg-deep .section-head p,.bg-deep .muted{color:rgba(255,255,255,.82)}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:step}
.step{text-align:center;position:relative}
.step .num{
  counter-increment:step;width:56px;height:56px;border-radius:50%;margin:0 auto 16px;
  background:#fff;color:var(--green-dark);font-weight:800;font-size:1.3rem;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);
}
.step .num::before{content:counter(step)}

/* Split rows */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:26px}
.split.rev .split-media{order:2}
.split-media{
  background:linear-gradient(160deg,var(--green-light),#D5EEDF);border-radius:var(--radius);
  min-height:300px;display:flex;align-items:center;justify-content:center;padding:30px;
  box-shadow:inset 0 0 0 1px var(--line);
}
.split ul{list-style:none;padding:0;margin:18px 0 0}
.split li{display:flex;gap:11px;align-items:flex-start;margin-bottom:12px;font-size:1rem}
.split li::before{content:"✓";color:var(--green);font-weight:800;flex:none}

/* Illustration cards inside split-media */
.mini-card{background:#fff;border-radius:16px;padding:16px 18px;box-shadow:var(--shadow);width:100%;max-width:280px}
.bar{height:9px;border-radius:6px;background:var(--green-light);margin:8px 0;overflow:hidden}
.bar>span{display:block;height:100%;border-radius:6px;background:var(--green)}
.chip{display:inline-block;background:var(--green-light);color:var(--green-deep);font-weight:700;font-size:.78rem;padding:5px 11px;border-radius:999px;margin:3px 4px 3px 0}

/* Pricing */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:26px;max-width:760px;margin:0 auto}
.plan{background:#fff;border:1.5px solid var(--line);border-radius:var(--radius);padding:34px 30px;position:relative}
.plan.pro{border-color:var(--green);box-shadow:var(--shadow)}
.plan .tag{position:absolute;top:-13px;right:26px;background:var(--green);color:#fff;font-size:.75rem;font-weight:700;padding:5px 14px;border-radius:999px}
.plan h3{font-size:1.4rem}
.price{font-size:2.6rem;font-weight:800;margin:6px 0}
.price small{font-size:1rem;font-weight:600;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:18px 0 26px}
.plan li{display:flex;gap:10px;align-items:flex-start;margin-bottom:11px;font-size:.96rem}
.plan li::before{content:"✓";color:var(--green);font-weight:800;flex:none}
.plan li.off{color:var(--muted)}
.plan li.off::before{content:"—";color:var(--line)}

/* FAQ */
.faq{max-width:800px;margin:0 auto}
details{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden}
summary{padding:20px 24px;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.5rem;color:var(--green);font-weight:400;flex:none;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details .a{padding:0 24px 22px;color:var(--muted)}

/* CTA band */
.cta-band{text-align:center;color:#fff}
.cta-band h2{color:#fff}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.cta-band .btn-primary{background:#fff;color:var(--green-dark)}
.cta-band .btn-primary:hover{background:var(--green-tint)}

/* Footer */
.site-footer{background:#0C1D14;color:#B9Cabf;padding:56px 0 30px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px;margin-bottom:34px}
.site-footer .brand{color:#fff;margin-bottom:12px}
.site-footer h4{color:#fff;font-size:.95rem;margin:0 0 14px;letter-spacing:.02em}
.site-footer a{color:#B9CABF;display:block;margin-bottom:9px}
.site-footer a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem}

/* ===== Responsive ===== */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;text-align:center;padding:52px 0 64px}
  .hero .lead{margin-left:auto;margin-right:auto}
  .hero-actions,.trust{justify-content:center}
  .features,.steps{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .split.rev .split-media{order:0}
  .plans{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{
    position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:8px 0;border-bottom:1px solid var(--line);display:none;box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 22px;width:100%}
  .menu-toggle{display:block}
  .nav-cta .btn-ghost{display:none}
}
@media(max-width:560px){
  .features,.steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .trust{gap:18px}
  .badge-float{display:none}
}