:root{
  --bg:#f8fafc;
  --bg-2:#eef4f7;
  --surface:#ffffff;
  --surface-2:#f2f8fa;
  --text:#0f172a;
  --muted:#475569;
  --border:#dbe3ea;
  --accent:#0f766e;
  --accent-dark:#115e59;
  --accent-soft:#e6fffb;
  --shadow:0 12px 36px rgba(15,23,42,.08);
  --shadow-soft:0 8px 24px rgba(15,23,42,.06);
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:14px;
  --max:1140px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}

body{
  margin:0;
  font-family:Inter,Arial,sans-serif;
  background:linear-gradient(180deg,var(--bg) 0%,#f6fafc 100%);
  color:var(--text);
  line-height:1.55;
}

a{
  text-decoration:none;
  color:inherit;
}

.container{
  width:min(var(--max),calc(100% - 32px));
  margin:0 auto;
}

/* HEADER */
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(12px);
  background:rgba(248,250,252,.88);
  border-bottom:1px solid rgba(219,227,234,.8);
}

.nav-shell{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.brand{
  font-weight:800;
  font-size:1.2rem;
  letter-spacing:-.02em;
}

.brand span{
  color:var(--accent);
}

.nav-links{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  align-items:center;
}

.nav-links a{
  color:var(--muted);
  font-weight:600;
  font-size:.95rem;
}

.nav-links a:hover{
  color:var(--text);
}

/* HERO */
.hero{
  padding:72px 0 48px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:32px;
  align-items:center;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  background:var(--accent-soft);
  color:var(--accent-dark);
  border-radius:999px;
  font-size:.9rem;
  font-weight:700;
  margin-bottom:18px;
}

h1{
  margin:0 0 16px;
  font-size:clamp(2.4rem,4.8vw,4rem);
  line-height:1.02;
  letter-spacing:-.04em;
}

h2{
  margin:0 0 10px;
  font-size:clamp(1.7rem,3vw,2.4rem);
  letter-spacing:-.03em;
}

h3{
  margin:0 0 10px;
  font-size:1.08rem;
  letter-spacing:-.02em;
}

.hero-copy,
.page-intro,
.section-head p,
.tool-card p,
.footer-copy,
.content-card p,
.faq-item p{
  color:var(--muted);
}

.page-intro,
.hero-copy{
  font-size:1.05rem;
  max-width:700px;
}

.hero-actions{
  display:flex;
  gap:12px;
  margin-top:28px;
  flex-wrap:wrap;
}

/* BUTTONS */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:0 20px;
  border-radius:14px;
  font-weight:700;
  font-size:1rem;
  cursor:pointer;
  text-decoration:none;
  transition:all .2s ease;
  border:none;
  font-family:inherit;
}

.btn-primary{
  background:linear-gradient(135deg,#0f766e,#14b8a6);
  color:#ffffff;
  box-shadow:0 10px 24px rgba(20,184,166,.35);
}

.btn-primary:hover{
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 14px 30px rgba(20,184,166,.45);
}

.btn-primary::after{
  content:" →";
  margin-left:6px;
  transition:transform .2s ease;
}

.btn-primary:hover::after{
  transform:translateX(4px);
}

.btn-secondary{
  background:#ffffff;
  color:#0f766e;
  border:2px solid #0f766e;
}

.btn-secondary:hover{
  background:#0f766e;
  color:#ffffff;
}

.btn.full{
  width:100%;
}

/* CARDS */
.card-soft,
.calc-card,
.tool-card,
.trust-card,
.content-card,
.faq-item,
.monetise-card{
  background:var(--surface);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}

.hero-preview{
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border-radius:26px;
  padding:22px;
}

.preview-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:14px;
  margin-bottom:12px;
}

.preview-row:last-child{
  margin-bottom:0;
}

.preview-row span{
  color:var(--muted);
  font-weight:600;
}

.preview-row strong{
  font-size:1.1rem;
}

/* TRUST */
.trust-band{
  padding:0 0 28px;
}

.trust-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

.trust-card{
  padding:16px 18px;
  border-radius:16px;
  font-weight:700;
  color:var(--muted);
  text-align:center;
}

/* SECTIONS */
.section{
  padding:48px 0;
}

.section-head{
  margin-bottom:22px;
}

/* TOOL GRID */
.tool-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.tool-card{
  display:block;
  padding:22px;
  border-radius:22px;
}

.tool-icon{
  width:46px;
  height:46px;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--accent-dark);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  margin-bottom:14px;
}

.tool-link{
  display:inline-block;
  margin-top:8px;
  font-weight:800;
}

/* PAGE LAYOUT */
.page-wrap{
  padding:28px 0 56px;
}

.page-hero{
  padding:18px 0 10px;
}

.calc-card{
  padding:24px;
  border-radius:28px;
}

.split-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  align-items:start;
}

.field-group{
  margin-bottom:14px;
}

label{
  display:block;
  margin-bottom:6px;
  font-weight:700;
  font-size:.96rem;
}

input,
select{
  width:100%;
  min-height:50px;
  border:1px solid var(--border);
  border-radius:14px;
  padding:0 14px;
  font-size:1rem;
  background:#fff;
  color:var(--text);
  font-family:inherit;
}

/* RESULTS */
.results-panel{
  background:var(--bg-2);
  border:1px solid var(--border);
  border-radius:20px;
  padding:18px;
  min-height:100%;
}

.result-line{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:12px 0;
  border-bottom:1px solid rgba(219,227,234,.9);
}

.result-line:last-child{
  border-bottom:0;
}

.result-line span{
  color:var(--muted);
  font-weight:600;
}

.result-line strong{
  text-align:right;
}

/* CONTENT */
.section-tight{
  padding-top:18px;
}

.content-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}

.content-card{
  padding:20px;
  border-radius:18px;
}

/* FAQ */
.faq-shell h2{
  margin-bottom:14px;
}

.faq-item{
  padding:18px;
  border-radius:16px;
  margin-bottom:14px;
}

/* MONETISATION BLOCKS */
.monetise-block{
  padding:10px 0 0;
}

.monetise-card{
  background:linear-gradient(180deg,#ffffff,#f0fdfa);
  border:2px solid #ccfbf1;
  border-radius:24px;
  padding:26px;
  box-shadow:0 12px 30px rgba(15,118,110,.10);
}

.monetise-soft{
  padding:32px;
  border-radius:28px;
  text-align:center;
}

.monetise-label{
  display:inline-flex;
  padding:7px 11px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent-dark);
  font-size:.85rem;
  font-weight:800;
  margin-bottom:14px;
}

.monetise-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:20px;
}

.affiliate-note{
  margin-top:14px;
  font-size:.9rem;
  color:var(--muted);
}

/* FOOTER */
.site-footer{
  padding:34px 0 48px;
  margin-top:24px;
  border-top:1px solid var(--border);
}

.footer-shell{
  display:flex;
  justify-content:space-between;
  gap:18px;
  align-items:center;
  flex-wrap:wrap;
}

.footer-brand{
  font-weight:800;
}

.footer-links{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  color:var(--muted);
  font-weight:600;
}

/* RESPONSIVE */
@media (max-width:980px){
  .hero-grid,
  .trust-grid,
  .tool-grid,
  .split-layout,
  .content-grid{
    grid-template-columns:1fr;
  }

  .hero{
    padding-top:42px;
  }
}

@media (max-width:700px){
  .container{
    width:min(var(--max),calc(100% - 20px));
  }

  .nav-shell{
    flex-direction:column;
    align-items:flex-start;
    padding:14px 0;
  }

  h1{
    font-size:2.3rem;
  }

  .calc-card,
  .tool-card,
  .hero-preview,
  .content-card,
  .faq-item,
  .monetise-card,
  .monetise-soft{
    padding:18px;
  }

  .monetise-actions{
    flex-direction:column;
  }

  .btn{
    width:100%;
  }
}