:root{
  --pink:#ff2f79;
  --blue:#1769ff;
  --green:#16c85f;
  --dark:#07172f;
  --text:#101828;
  --muted:#667085;
  --soft:#fff4fa;
  --line:#eaecf0;
  --card:#ffffff;
  --shadow:0 18px 50px rgba(16,24,40,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans Thai","IBM Plex Sans Thai",Arial,sans-serif;
  color:var(--text);
  background:#fff;
}
a{text-decoration:none;color:inherit}
.wrap{width:min(1180px,92vw);margin:auto}
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{display:flex;align-items:center;gap:12px;font-weight:900;font-size:28px}
.logo-mark{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;color:#fff;font-weight:900;
  background:linear-gradient(135deg,#1769ff,#ff2f79 55%,#ff8a00);
}
.menu{display:flex;gap:24px;font-weight:800;font-size:15px}
.menu a{padding:28px 0;border-bottom:3px solid transparent}
.menu a.active{color:var(--pink);border-color:var(--pink)}
.btn{
  border:0;border-radius:16px;
  padding:14px 22px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:900;cursor:pointer;
}
.btn-primary{background:linear-gradient(135deg,var(--pink),#ff4f2e);color:#fff;box-shadow:0 16px 30px rgba(255,47,121,.24)}
.btn-line{background:linear-gradient(135deg,#19d45b,#06a63b);color:#fff;box-shadow:0 16px 30px rgba(22,200,95,.24)}
.btn-outline{background:#fff;color:var(--pink);border:2px solid var(--pink)}

.hero{
  padding:76px 0 54px;
  background:radial-gradient(circle at 80% 20%,#ffe1ef 0,#fff 36%),linear-gradient(180deg,#fff,#fff8fb);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.kicker{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.pill{
  padding:8px 14px;border-radius:999px;background:#fff;
  color:var(--pink);font-weight:900;box-shadow:0 10px 28px rgba(16,24,40,.08)
}
h1{
  font-family:"IBM Plex Sans Thai","Noto Sans Thai",sans-serif;
  font-size:68px;line-height:1.05;letter-spacing:-1.5px;
  margin:0 0 18px;
}
h1 b{color:var(--pink)}
.lead{font-size:22px;line-height:1.7;font-weight:700;color:#24324b;margin:0 0 28px}
.hero-art{
  min-height:400px;border-radius:34px;
  background:linear-gradient(135deg,#fff,#ffe4f1 52%,#e8ddff);
  box-shadow:var(--shadow);
  position:relative;overflow:hidden;padding:28px;
}
.mockup{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:360px;height:240px;border-radius:26px;background:#fff;
  box-shadow:0 30px 80px rgba(16,24,40,.18);
  border:10px solid rgba(255,255,255,.75);
  display:grid;place-items:center;
}
.mockup::before{
  content:"AI";
  font-size:72px;font-weight:1000;color:var(--pink);
}
.float{
  position:absolute;border-radius:999px;padding:12px 18px;color:#fff;
  font-weight:1000;box-shadow:var(--shadow)
}
.f1{left:40px;top:44px;background:var(--pink)}
.f2{right:38px;top:78px;background:#7b3cff}
.f3{right:52px;bottom:72px;background:var(--blue)}
.f4{left:54px;bottom:64px;background:#ff8a00}

.section{padding:58px 0}
.section-title{text-align:center;font-size:42px;line-height:1.2;margin:0 0 30px;font-family:"IBM Plex Sans Thai","Noto Sans Thai",sans-serif}
.section-title b{color:var(--pink)}
.grid{display:grid;gap:20px}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-4{grid-template-columns:repeat(4,1fr)}
.cards-5{grid-template-columns:repeat(5,1fr)}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:24px;
  padding:24px;
  box-shadow:0 10px 34px rgba(16,24,40,.06);
}
.icon{
  width:60px;height:60px;border-radius:18px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#fff1f7,#eef4ff);
  font-size:30px;margin-bottom:14px;
}
.card h3{font-size:21px;margin:0 0 10px}
.card p{color:var(--muted);line-height:1.7;margin:0}
.price{
  font-family:"Manrope",Arial,sans-serif;
  color:var(--pink);
  font-size:42px;
  font-weight:1000;
  margin:14px 0;
}
.form{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.form .full{grid-column:1/-1}
input,select,textarea{
  width:100%;border:1px solid #d0d5dd;border-radius:14px;
  padding:15px 16px;font:inherit;background:#fff;
}
textarea{min-height:130px}
.cta{
  border-radius:34px;
  background:linear-gradient(135deg,#ff2f79,#7b3cff 55%,#1769ff);
  color:#fff;
  padding:36px;
  display:grid;
  grid-template-columns:1.25fr .75fr;
  align-items:center;
  gap:20px;
}
.cta h2{font-size:38px;margin:0 0 8px}
.cta p{font-size:20px;margin:0;opacity:.92}
.footer{background:#07172f;color:#d9e7ff;padding:42px 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:24px}
.footer h3{color:#fff}
.footer p,.footer a{color:#d9e7ff}

@media(max-width:960px){
  .menu{display:none}
  .hero-grid,.cta{grid-template-columns:1fr}
  h1{font-size:48px}
  .cards-3,.cards-4,.cards-5,.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-inner{height:auto;padding:14px 0}
  .logo{font-size:24px}
  h1{font-size:38px}
  .lead{font-size:18px}
  .cards-3,.cards-4,.cards-5,.footer-grid,.form{grid-template-columns:1fr}
  .hero-art{min-height:320px}
  .mockup{width:260px;height:190px}
}