:root{
  --bg:#edf1f5;
  --bg-soft:#f6f8fb;

  --card:rgba(255,255,255,.78);
  --card-solid:#ffffff;
  --card-soft:rgba(255,255,255,.55);

  --text:#18212b;
  --muted:#61707f;
  --soft:#8e98a6;

  --line:#dde5ed;
  --line-soft:rgba(221,229,237,.82);

  --accent:#647990;
  --accent-dark:#50647c;
  --accent-soft:#eef3f8;

  --shadow:0 10px 30px rgba(15,23,42,.05);
  --shadow-soft:0 6px 18px rgba(15,23,42,.035);

  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-pill:999px;

  --max:760px;
  --content-narrow:620px;
  --content-mid:660px;
  --content-wide:700px;

  --space-1:8px;
  --space-2:12px;
  --space-3:16px;
  --space-4:20px;
  --space-5:24px;
  --space-6:32px;
  --space-7:40px;
  --space-8:48px;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{
  max-width:100%;
  display:block;
}

a{
  color:var(--accent-dark);
  text-decoration:none;
  transition:color .18s ease, opacity .18s ease, transform .18s ease;
}

a:hover{
  text-decoration:underline;
}

button,
input,
select,
textarea{
  font:inherit;
}

.page{
  width:min(calc(100% - 44px), var(--max));
  margin:0 auto;
  padding:18px 0 60px;
}

.page-wide{
  width:min(calc(100% - 44px), 920px);
  margin:0 auto;
  padding:18px 0 60px;
}

.back-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:14px;
}

.section-card{
  background:var(--card);
  backdrop-filter:blur(10px);
  border:1px solid rgba(221,229,237,.95);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
  padding:38px 40px;
  margin:22px 0;
}

.section-card.tight{
  padding:28px 30px;
}

.section-card.soft{
  background:var(--card-soft);
}

.hero{
  text-align:center;
  padding:42px 44px 36px;
}

.content-narrow{
  max-width:var(--content-narrow);
  margin:0 auto;
}

.content-mid{
  max-width:var(--content-mid);
  margin:0 auto;
}

.content-wide{
  max-width:var(--content-wide);
  margin:0 auto;
}

.text-center{
  text-align:center;
}

.text-left{
  text-align:left;
}

.eyebrow{
  display:inline-block;
  font-size:10px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:#98a3af;
  font-weight:700;
  margin-bottom:10px;
}

h1,h2,h3,h4{
  margin:0;
  color:var(--text);
  letter-spacing:-0.03em;
  line-height:1.12;
  text-wrap:balance;
}

h1{
  font-size:clamp(2rem,4.2vw,3.1rem);
  font-weight:700;
  margin-bottom:16px;
  line-height:1.08;
  letter-spacing:-0.032em;
}

h2{
  font-size:clamp(1.62rem,2.8vw,2.05rem);
  font-weight:670;
  margin-bottom:14px;
  line-height:1.16;
}

h3{
  font-size:16px;
  font-weight:680;
  margin-bottom:8px;
}

h4{
  font-size:14px;
  font-weight:680;
  margin-bottom:6px;
}

p{
  margin:0 0 16px;
  font-size:15px;
  color:var(--muted);
  line-height:1.86;
}

strong{
  color:var(--text);
  font-weight:650;
}

ul,ol{
  margin:0 0 16px 18px;
  padding:0;
  color:var(--muted);
}

li{
  margin:6px 0;
  line-height:1.78;
}

.hero-sub{
  max-width:600px;
  margin:0 auto;
  font-size:16px;
  line-height:1.82;
  color:var(--muted);
}

.hero-support{
  max-width:590px;
  margin:14px auto 0;
  font-size:14px;
  line-height:1.85;
  color:#7d8795;
}

.hero-mini{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:16px;
  font-size:12px;
  color:#7f8997;
  margin-top:10px;
}

.section-intro{
  max-width:620px;
  margin:0 auto 16px;
  text-align:center;
  font-size:15px;
  line-height:1.82;
  color:var(--muted);
}

.section-intro.left{
  text-align:left;
  max-width:none;
}

.impact-line{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:15px;
  line-height:1.82;
  font-weight:620;
  color:var(--text);
  max-width:620px;
  margin-left:auto;
  margin-right:auto;
}

.impact-line.left{
  max-width:none;
  margin-left:0;
  margin-right:0;
}

.hero-actions,
.cta-row{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
  margin:22px 0 12px;
}

.button,
.button-secondary,
.button-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:650;
  transition:.18s ease;
  box-shadow:var(--shadow-soft);
  white-space:nowrap;
}

.button{
  color:#fff;
  background:linear-gradient(180deg,#72859a 0%,#647990 100%);
}

.button:hover{
  text-decoration:none;
  transform:translateY(-1px);
  background:linear-gradient(180deg,#6b7f93 0%,#596d82 100%);
}

.button-secondary{
  background:#fff;
  color:var(--accent-dark);
  border:1px solid var(--line);
}

.button-secondary:hover{
  text-decoration:none;
  transform:translateY(-1px);
  background:#fff;
}

.button-ghost{
  background:transparent;
  color:var(--accent-dark);
  border:1px solid transparent;
  box-shadow:none;
}

.button-ghost:hover{
  text-decoration:none;
  background:rgba(255,255,255,.55);
}

.grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:20px;
}

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  margin-top:20px;
}

.grid-4{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin-top:20px;
}

.mini-card,
.tool-card,
.compare-card,
.cta-card{
  background:var(--card-solid);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px 20px;
}

.mini-card p,
.tool-card p,
.compare-card p,
.faq-item p{
  margin:0;
  font-size:14px;
  line-height:1.78;
  color:var(--muted);
}

.small-tag{
  display:inline-block;
  margin-bottom:8px;
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#99a3b0;
  font-weight:700;
}

.decision-line{
  margin-top:10px;
  font-size:13px;
  line-height:1.72;
  color:#697686;
  font-weight:600;
}

.soft-note{
  text-align:center;
  padding:18px 26px;
  border-radius:18px;
  border:1px solid rgba(221,229,237,.85);
  background:rgba(255,255,255,.48);
  box-shadow:var(--shadow-soft);
  color:#556272;
  font-size:14px;
  line-height:1.82;
  margin:18px 0 0;
}

.soft-note strong{
  color:var(--text);
}

.tool-card a,
.compare-card a,
.cta-card a{
  display:inline-block;
  margin-top:10px;
  font-size:14px;
  font-weight:650;
}

.table-wrap{
  overflow-x:auto;
  margin-top:18px;
}

table{
  width:100%;
  border-collapse:collapse;
  background:var(--card-solid);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}

th,td{
  padding:14px 16px;
  text-align:left;
  font-size:14px;
  line-height:1.65;
  border-bottom:1px solid var(--line);
}

th{
  color:var(--text);
  font-weight:650;
  background:#fbfcfe;
}

td{
  color:var(--muted);
}

tr:last-child td{
  border-bottom:none;
}

.faq-item{
  padding:18px 0;
  border-top:1px solid var(--line);
}

.faq-item:first-of-type{
  border-top:none;
  padding-top:0;
}

.faq-item h3{
  margin-bottom:8px;
}

.footer-links{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
  margin-top:18px;
}

.footer-links a{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:13px;
  font-weight:650;
  color:var(--accent-dark);
}

.site-mini{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
  font-size:12px;
  color:#7e8897;
}

.back-home{
  text-align:center;
  margin-top:18px;
}

.back-home a{
  font-size:13px;
  color:var(--muted);
}

.centered-list{
  max-width:620px;
  margin:0 auto;
  text-align:left;
}

.centered-list ul{
  margin-bottom:0;
}

.kpi-line{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
  margin-top:14px;
}

.kpi-chip{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 12px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:12px;
  color:#697686;
  font-weight:600;
}

.card-stack > * + *{
  margin-top:16px;
}

.spacer-8{ height:8px; }
.spacer-12{ height:12px; }
.spacer-16{ height:16px; }
.spacer-24{ height:24px; }

@media (max-width:900px){
  .grid-4{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (max-width:760px){
  .page,
  .page-wide{
    width:min(calc(100% - 22px), 760px);
    padding-top:14px;
  }

  .section-card{
    padding:24px 20px;
    border-radius:20px;
  }

  .section-card.tight{
    padding:20px 18px;
  }

  .hero{
    padding:30px 20px 26px;
  }

  h1{
    font-size:clamp(1.9rem,8.2vw,2.5rem);
  }

  .section-intro,
  .hero-sub,
  .hero-support,
  .impact-line,
  .content-narrow,
  .content-mid,
  .content-wide{
    max-width:100%;
  }

  .grid-2,
  .grid-3,
  .grid-4{
    grid-template-columns:1fr;
  }

  .hero-actions,
  .cta-row{
    flex-direction:column;
    align-items:center;
  }

  .button,
  .button-secondary,
  .button-ghost{
    width:100%;
    max-width:320px;
  }

  th,td{
    padding:12px 12px;
  }
}