:root{
  --sky-top:#69C0E8;
  --sky-bottom:#E7F6FC;
  --sun:#FFC64B;
  --sun-soft:#FFF1D2;
  --coral:#FF6B5B;
  --coral-deep:#E44F3F;
  --leaf:#3FBF8F;
  --leaf-soft:#DFF3EA;
  --ink:#1E3A5F;
  --ink-soft:#5D7C97;
  --surface:#FFFFFF;
  --cloud:#F2FAFD;
  --line:#D7ECF4;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:linear-gradient(180deg, var(--sky-top) 0%, var(--sky-bottom) 340px, var(--sky-bottom) 100%);
  color:var(--ink);
  font-family:'Nunito',sans-serif;
  min-height:100vh;
}
.wrap{max-width:760px;margin:0 auto;padding:0 20px 60px 20px;}

.cloud-deco{position:fixed;opacity:0.9;pointer-events:none;filter:drop-shadow(0 4px 6px rgba(30,58,95,0.06));}
.cd1{top:26px;left:6%;width:70px;animation:drift 22s ease-in-out infinite;}
.cd2{top:70px;right:8%;width:52px;animation:drift 18s ease-in-out infinite reverse;}
.cd3{top:150px;left:14%;width:40px;animation:drift 26s ease-in-out infinite;}
@keyframes drift{0%,100%{transform:translateX(0);}50%{transform:translateX(14px);}}
@media (prefers-reduced-motion: reduce){.cd1,.cd2,.cd3{animation:none;}}

.top-nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 4px 0 4px;position:relative;z-index:2;
}
.top-nav .logo{
  display:flex;align-items:center;gap:10px;
  font-family:'Baloo 2',sans-serif;font-weight:700;font-size:16px;color:#fff;
  text-shadow:0 2px 6px rgba(30,58,95,0.25);
}
.top-nav a.cta-small{
  font-family:'Nunito',sans-serif;font-weight:700;font-size:13px;
  color:var(--ink);text-decoration:none;
  background:#fff;padding:9px 16px;border-radius:999px;
  box-shadow:0 6px 14px -8px rgba(30,58,95,0.35);
}

.hero{
  text-align:center;
  padding:56px 10px 10px 10px;
  position:relative;z-index:2;
}
.hero .eyebrow{
  display:inline-block;
  font-family:'IBM Plex Mono',monospace;
  font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;
  background:rgba(255,255,255,0.85);
  color:var(--ink-soft);
  padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1{
  font-family:'Baloo 2',sans-serif;font-weight:800;
  font-size:clamp(30px,6vw,46px);
  color:#fff;
  text-shadow:0 3px 10px rgba(30,58,95,0.3);
  margin:0 0 14px 0;line-height:1.15;
}
.hero p.sub{
  font-size:15.5px;color:rgba(255,255,255,0.95);
  max-width:46ch;margin:0 auto 30px auto;line-height:1.6;
  text-shadow:0 2px 6px rgba(30,58,95,0.2);
}
.hero .cta{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--coral);color:#fff;
  font-family:'Baloo 2',sans-serif;font-weight:700;font-size:16px;
  text-decoration:none;
  padding:15px 28px;border-radius:18px;
  box-shadow:0 12px 24px -10px rgba(228,79,63,0.6);
  transition:transform .15s ease, background .15s ease;
}
.hero .cta:hover{transform:translateY(-2px);background:var(--coral-deep);}

.islands-strip{
  display:flex;justify-content:center;gap:14px;
  margin:38px 0 4px 0;flex-wrap:wrap;
}
.islands-strip .chip{
  background:var(--surface);
  border-radius:16px;padding:10px 16px;
  font-size:13px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:8px;
  box-shadow:0 8px 18px -12px rgba(30,58,95,0.3);
}

section{margin-top:52px;position:relative;z-index:2;}
.section-label{
  font-family:'IBM Plex Mono',monospace;
  font-size:11px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--ink-soft);margin-bottom:8px;
}
h2{
  font-family:'Baloo 2',sans-serif;font-weight:700;
  font-size:24px;margin:0 0 18px 0;color:var(--ink);
}

.card{
  background:var(--surface);border-radius:22px;
  padding:22px 24px;
  box-shadow:0 10px 24px -16px rgba(30,58,95,0.25);
}
.card p{font-size:14.5px;line-height:1.7;color:var(--ink-soft);margin:0;}
.card p + p{margin-top:12px;}

.steps{display:grid;gap:14px;}
.step{
  background:var(--surface);border-radius:20px;
  padding:18px 20px;display:flex;gap:16px;align-items:flex-start;
  box-shadow:0 8px 20px -16px rgba(30,58,95,0.25);
}
.step .num{
  font-family:'Baloo 2',sans-serif;font-weight:800;font-size:20px;
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--sun-soft);color:#6B4A12;flex-shrink:0;
}
.step h3{font-family:'Baloo 2',sans-serif;font-size:16px;margin:0 0 4px 0;}
.step p{font-size:13.5px;color:var(--ink-soft);margin:0;line-height:1.55;}

.why-grid{display:grid;gap:14px;grid-template-columns:1fr 1fr;}
.why-card{
  background:var(--surface);border-radius:18px;padding:18px;
  box-shadow:0 8px 20px -16px rgba(30,58,95,0.25);
}
.why-card .icon{font-size:22px;margin-bottom:8px;}
.why-card h4{font-family:'Baloo 2',sans-serif;font-size:14.5px;margin:0 0 5px 0;}
.why-card p{font-size:12.5px;color:var(--ink-soft);margin:0;line-height:1.5;}

.team-card{
  background:var(--leaf-soft);border-radius:22px;
  padding:24px;text-align:center;
}
.team-card .emoji{font-size:36px;margin-bottom:8px;}
.team-card h3{font-family:'Baloo 2',sans-serif;font-size:18px;margin:0 0 6px 0;color:#1F5C46;}
.team-card p{font-size:13.5px;color:#2E7A5F;margin:0;line-height:1.6;}

.final-cta{
  text-align:center;margin-top:58px;
  background:var(--surface);border-radius:26px;
  padding:36px 24px;
  box-shadow:0 14px 30px -16px rgba(30,58,95,0.3);
}
.final-cta h2{margin-bottom:8px;}
.final-cta p{font-size:13.5px;color:var(--ink-soft);margin:0 0 20px 0;}
.final-cta a{
  display:inline-block;background:var(--coral);color:#fff;
  font-family:'Baloo 2',sans-serif;font-weight:700;font-size:15px;
  text-decoration:none;padding:13px 24px;border-radius:16px;
  box-shadow:0 10px 20px -10px rgba(228,79,63,0.5);
}
.final-cta a:hover{background:var(--coral-deep);}

.site-footer{text-align:center;margin-top:44px;padding-top:10px;}
.site-footer p{
  margin:0;font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.03em;color:rgba(30,58,95,0.55);
}

@media (max-width:520px){
  .why-grid{grid-template-columns:1fr;}
}
/* Liên kết phụ ở chân trang */
.footer-links { margin-top: 6px; }
.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.82rem;
  text-decoration: underline;
}
.footer-links a:hover { color: #fff; }