@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root{
  color-scheme:light;
  --page:#eaf6ff;
  --page-2:#f7fbff;
  --paper:rgba(255,255,255,.82);
  --paper-strong:#fff;
  --ink:#061a3d;
  --soft-ink:#52657f;
  --line:rgba(72,132,204,.22);
  --line-strong:rgba(47,118,218,.34);
  --blue:#066cf2;
  --blue-2:#12a6ff;
  --blue-3:#dff1ff;
  --orange:#ff7a1a;
  --green:#23b26b;
  --shadow:0 22px 60px rgba(34,112,210,.15);
  --shadow-tight:0 12px 28px rgba(28,99,185,.12);
  --radius:18px;
}

[data-theme="dark"]{
  color-scheme:dark;
  --page:#06111f;
  --page-2:#0b1c32;
  --paper:rgba(14,29,51,.82);
  --paper-strong:#10233e;
  --ink:#eef7ff;
  --soft-ink:#a9bad2;
  --line:rgba(150,190,245,.18);
  --line-strong:rgba(105,166,255,.34);
  --blue:#48a1ff;
  --blue-2:#4fd0ff;
  --blue-3:#112a4d;
  --orange:#ffa14d;
  --green:#45d98d;
  --shadow:0 22px 60px rgba(0,0,0,.34);
  --shadow-tight:0 12px 28px rgba(0,0,0,.25);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-width:320px;
  font-family:"IBM Plex Sans Thai","Plus Jakarta Sans",system-ui,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 84% 7%, rgba(48,157,255,.34), transparent 22rem),
    radial-gradient(circle at 7% 8%, rgba(255,255,255,.88), transparent 24rem),
    linear-gradient(180deg,var(--page),var(--page-2) 46%,var(--page));
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(120deg, transparent 0 34%, rgba(255,255,255,.34) 35%, transparent 47%),
    linear-gradient(150deg, transparent 0 66%, rgba(9,111,242,.12) 67%, transparent 81%);
  pointer-events:none;
}
a{color:inherit;text-decoration:none}
button{font:inherit}
.wrap{width:min(1360px,calc(100% - 44px));margin-inline:auto}

.site-shell{
  width:min(1420px,calc(100% - 28px));
  margin:12px auto 34px;
  border:1px solid var(--line);
  border-radius:24px;
  background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(255,255,255,.38));
  box-shadow:var(--shadow);
  overflow:hidden;
}
[data-theme="dark"] .site-shell{background:linear-gradient(180deg,rgba(13,30,54,.76),rgba(8,22,40,.42))}

.site-header{position:sticky;top:0;z-index:50;background:rgba(247,251,255,.72);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
[data-theme="dark"] .site-header{background:rgba(7,17,31,.72)}
.nav{height:72px;display:flex;align-items:center;gap:20px;padding-inline:18px}
.brand{display:flex;align-items:center;gap:10px;font-family:"Plus Jakarta Sans",sans-serif;font-size:1.16rem;font-weight:800;color:#075fe5}
.brand img{width:34px;height:34px;border-radius:10px;box-shadow:0 10px 24px rgba(0,111,245,.24)}
.mobile-menu{display:none;border:0;background:transparent;color:var(--ink);width:38px;height:38px;font-size:1.45rem;cursor:pointer}
.nav-links{display:flex;align-items:center;gap:34px;margin-left:auto;font-size:.88rem;font-weight:800;color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:12px}
.lang{font-size:.82rem;font-weight:800}
.theme-toggle{
  width:78px;height:34px;border:1px solid var(--line);border-radius:99px;
  background:rgba(255,255,255,.72);display:flex;align-items:center;justify-content:space-between;
  padding:0 9px;color:#6c7d95;cursor:pointer;box-shadow:inset 0 1px 4px rgba(33,88,152,.08);
}
.theme-toggle:before{content:"";position:absolute}
.theme-toggle span{position:relative;z-index:1;font-size:.78rem}
.theme-toggle i{width:26px;height:26px;border-radius:50%;background:linear-gradient(180deg,#fff,#d7e8ff);box-shadow:0 4px 10px rgba(45,105,180,.22)}
[data-theme="dark"] .theme-toggle i{order:3;background:linear-gradient(180deg,#173a66,#0d213b)}
.btn{
  min-height:40px;padding:10px 18px;border-radius:14px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,.78);font-weight:800;font-size:.9rem;
  box-shadow:var(--shadow-tight);white-space:nowrap;
}
[data-theme="dark"] .btn{background:rgba(16,35,62,.78)}
.btn.primary{border-color:transparent;background:linear-gradient(180deg,#129aff,#0065e9);color:white;box-shadow:0 15px 30px rgba(0,100,240,.30)}
.btn.outline{border-color:rgba(0,103,242,.35);color:#075ee6;background:rgba(255,255,255,.62)}
.btn.white{background:#fff;color:#075ee6;border:0}

.hero{position:relative;overflow:hidden;padding:56px 0 22px}
.hero:before,.hero:after{content:"";position:absolute;border-radius:999px;filter:blur(.2px);pointer-events:none}
.hero:before{width:520px;height:520px;right:-130px;top:30px;background:radial-gradient(circle,rgba(13,136,255,.22),transparent 67%)}
.hero:after{width:410px;height:410px;right:390px;top:24px;border:1px solid rgba(25,129,255,.13);box-shadow:0 0 0 32px rgba(255,255,255,.18),0 0 0 76px rgba(78,174,255,.07)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 468px;gap:58px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.62);font-size:.84rem;font-weight:800;color:#0963df}
[data-theme="dark"] .eyebrow{background:rgba(18,42,75,.7);color:#7cc3ff}
.hero h1{font-family:"Plus Jakarta Sans","IBM Plex Sans Thai",sans-serif;font-size:clamp(3rem,5.4vw,5.35rem);line-height:1.03;letter-spacing:0;margin:20px 0 16px;color:var(--ink)}
.hero h1 span{display:block;color:#006df0}
.lead{max-width:660px;margin:0;color:var(--soft-ink);font-size:1.08rem;line-height:1.78;font-weight:500}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.promise-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:28px;max-width:650px}
.promise{
  min-height:58px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.7);
  display:flex;align-items:center;gap:10px;padding:11px 14px;font-size:.86rem;font-weight:800;color:var(--ink);box-shadow:var(--shadow-tight);
}
[data-theme="dark"] .promise{background:rgba(15,32,57,.72)}
.promise i,.feature-icon,.step-number,.mini-icon{display:grid;place-items:center;flex:0 0 auto;background:linear-gradient(180deg,#f7fbff,#e2f1ff);border:1px solid rgba(20,111,242,.16);color:#066cf2}
[data-theme="dark"] .promise i,[data-theme="dark"] .feature-icon,[data-theme="dark"] .step-number,[data-theme="dark"] .mini-icon{background:linear-gradient(180deg,#17395f,#102642)}
.promise i{width:34px;height:34px;border-radius:12px;font-style:normal}

.showcase{position:relative;min-height:560px;display:grid;place-items:center}
.device-glow{position:absolute;inset:20px 6px 0;background:radial-gradient(circle at 52% 43%,rgba(0,111,242,.28),transparent 56%);filter:blur(18px)}
.phone{
  position:relative;z-index:1;width:384px;padding:9px;border-radius:34px;
  background:linear-gradient(140deg,rgba(255,255,255,.98),rgba(193,226,255,.78));
  border:1px solid rgba(0,109,242,.38);
  box-shadow:0 28px 76px rgba(0,92,210,.25),inset 0 0 0 4px rgba(255,255,255,.48);
}
.phone-screen{min-height:522px;border-radius:26px;overflow:hidden;background:linear-gradient(180deg,#fafdff,#eaf6ff);border:1px solid rgba(0,111,242,.13);color:#071a3d}
.app-top{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 8px}
.app-top b{font-family:"Plus Jakarta Sans",sans-serif;font-size:1rem}
.streak{display:flex;align-items:center;gap:7px;background:#fff;border:1px solid #deecff;border-radius:14px;padding:8px 10px;font-size:.78rem;font-weight:800;box-shadow:0 10px 20px rgba(39,102,180,.09)}
.flame{width:18px;height:22px;border-radius:14px 14px 14px 4px;rotate:45deg;background:linear-gradient(180deg,#ff9b26,#ff4e1f)}
.app-body{display:grid;gap:12px;padding:12px 13px 15px}
.panel{background:rgba(255,255,255,.88);border:1px solid rgba(0,103,242,.13);border-radius:17px;box-shadow:0 12px 28px rgba(36,107,190,.09)}
.progress-panel{padding:14px}
.progress-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:.8rem;font-weight:800;color:#203a63}
.progress-row span{color:#66758b;font-size:.72rem}
.bar{height:8px;border-radius:99px;background:#dbedff;overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;width:74%;border-radius:inherit;background:linear-gradient(90deg,#006df0,#2eb7ff)}
.lesson-panel{position:relative;padding:16px;min-height:132px;background:linear-gradient(115deg,#fff 0%,#ecf8ff 58%,#cfeaff 100%);overflow:hidden}
.lesson-panel:before{content:"";position:absolute;right:18px;bottom:17px;width:104px;height:66px;border-radius:0 0 46px 46px;background:linear-gradient(180deg,#fff,#d5e9f8);box-shadow:0 12px 24px rgba(46,81,120,.14)}
.lesson-panel:after{content:"";position:absolute;right:7px;bottom:10px;width:136px;height:18px;border-radius:99px;background:radial-gradient(ellipse,rgba(50,82,120,.2),transparent 70%)}
.lesson-panel small,.review-panel small{display:block;color:#62728a;font-weight:800;font-size:.72rem}
.lesson-panel h3{position:relative;z-index:1;margin:5px 0 12px;font-family:"Plus Jakarta Sans";font-size:1.12rem}
.start-pill{position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;background:linear-gradient(180deg,#159dff,#0069ee);color:#fff;border-radius:14px;padding:9px 16px;font-weight:800;font-size:.82rem;box-shadow:0 10px 20px rgba(0,100,230,.22)}
.review-panel{padding:13px 14px;display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:center}
.review-badge{width:38px;height:38px;border-radius:13px;background:#edf7ff;border:1px solid #d8eaff;display:grid;place-items:center;color:#066cf2;font-weight:900}
.review-panel b{font-size:.84rem}.review-panel p{margin:2px 0 0;color:#68778d;font-size:.7rem;line-height:1.4}
.flow-panel{padding:12px}
.flow-title{font-weight:900;font-size:.76rem;color:#66758b;margin-bottom:9px}
.flow-icons{display:grid;grid-template-columns:repeat(6,1fr);gap:7px}
.flow-icons i{height:35px;border-radius:12px;background:#eef7ff;border:1px solid #dceeff;display:grid;place-items:center;color:#076df1;font-style:normal;font-weight:900;font-size:.76rem}
.float-card{
  position:absolute;z-index:2;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.78);
  backdrop-filter:blur(16px);box-shadow:var(--shadow-tight);padding:14px 16px;min-width:156px;
}
[data-theme="dark"] .float-card{background:rgba(15,32,57,.82)}
.float-card strong{font-family:"Plus Jakarta Sans";font-size:1.25rem}.float-card span{display:block;color:var(--soft-ink);font-size:.76rem;font-weight:800}
.float-card.one{right:0;top:78px}.float-card.two{left:0;bottom:84px}

.quick-row{display:grid;grid-template-columns:1.05fr repeat(6,1fr);gap:14px;padding:18px 0 10px}
.quick-title{display:flex;align-items:center;color:var(--ink);font-weight:900;line-height:1.22;font-size:1.05rem}
.mini-card{min-height:124px;padding:15px 12px;border:1px solid var(--line);border-radius:16px;background:var(--paper);box-shadow:var(--shadow-tight);text-align:center}
.mini-icon{width:48px;height:48px;border-radius:16px;margin:0 auto 9px;font-weight:900;font-style:normal}
.mini-card b{display:block;font-size:.83rem}.mini-card span{display:block;margin-top:4px;color:var(--soft-ink);font-size:.72rem;font-weight:800;line-height:1.35}

.section{padding:22px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:14px}
.section h2{font-family:"Plus Jakarta Sans","IBM Plex Sans Thai";font-size:1.5rem;line-height:1.25;margin:0;color:var(--ink)}
.section-head p{max-width:590px;margin:0;color:var(--soft-ink);line-height:1.65}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feature{display:grid;grid-template-columns:54px 1fr;gap:13px;min-height:136px;padding:17px;border:1px solid var(--line);border-radius:17px;background:var(--paper);box-shadow:var(--shadow-tight)}
.feature-icon{width:48px;height:48px;border-radius:16px;font-style:normal;font-weight:900}
.feature h3{margin:0 0 5px;font-size:1rem}.feature p{margin:0;color:var(--soft-ink);line-height:1.55;font-size:.86rem}

.method-grid{display:grid;grid-template-columns:1.2fr .82fr .86fr;gap:14px}
.card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:var(--shadow-tight);padding:21px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-top:16px}
.step{border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.52);padding:14px;min-height:148px}
[data-theme="dark"] .step{background:rgba(13,29,52,.56)}
.step-number{width:26px;height:26px;border-radius:50%;background:var(--blue);color:#fff;font-size:.78rem;font-weight:900;margin-bottom:10px}
.step h3{margin:0 0 6px;font-size:.9rem}.step p{margin:0;color:var(--soft-ink);font-size:.78rem;line-height:1.5}
.audience{display:grid;gap:10px;margin-top:13px}
.audience li{list-style:none;display:flex;gap:10px;align-items:flex-start;color:var(--soft-ink);font-weight:700;font-size:.88rem;line-height:1.45}
.audience li:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--blue);margin-top:6px;box-shadow:0 0 0 4px rgba(6,108,242,.12);flex:0 0 auto}
.price-card{background:linear-gradient(145deg,rgba(255,255,255,.92),rgba(222,241,255,.86));border-color:var(--line-strong)}
[data-theme="dark"] .price-card{background:linear-gradient(145deg,rgba(14,33,59,.92),rgba(13,45,82,.86))}
.ribbon{position:absolute;left:-45px;top:23px;rotate:-42deg;background:linear-gradient(90deg,#006df0,#16b6ff);color:#fff;font-weight:900;font-size:.7rem;padding:7px 52px;letter-spacing:.02em}
.price-label{display:block;margin-left:58px;color:var(--blue);font-weight:900;font-size:.86rem}
.price{font-family:"Plus Jakarta Sans";font-size:3.2rem;line-height:1;margin:11px 0 6px;color:var(--blue);font-weight:800}
.price small{font-size:1rem}
.price-card ul{display:grid;gap:9px;padding:0;margin:15px 0 0;list-style:none;color:var(--soft-ink);font-weight:700;font-size:.86rem}
.price-card li:before{content:"✓";color:var(--blue);font-weight:900;margin-right:8px}

.faq-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.faq-card{border:1px solid var(--line);border-radius:15px;background:var(--paper);box-shadow:var(--shadow-tight);padding:14px}
.faq-card summary{cursor:pointer;font-weight:900;list-style:none}
.faq-card summary::-webkit-details-marker{display:none}
.faq-card p{margin:10px 0 0;color:var(--soft-ink);line-height:1.55;font-size:.84rem}
.final-cta{padding:14px 0 30px}
.cta-box{position:relative;overflow:hidden;border-radius:20px;background:linear-gradient(100deg,#006df0,#058bff 58%,#42c8ff);color:#fff;padding:28px 32px;display:flex;justify-content:space-between;align-items:center;gap:22px;box-shadow:0 22px 50px rgba(0,100,230,.24)}
.cta-box:after{content:"";position:absolute;right:-60px;bottom:-120px;width:380px;height:260px;border-radius:50%;border:1px solid rgba(255,255,255,.32);box-shadow:0 0 0 28px rgba(255,255,255,.08),0 0 0 70px rgba(255,255,255,.06)}
.cta-box h2{position:relative;z-index:1;margin:0;font-family:"Plus Jakarta Sans","IBM Plex Sans Thai";font-size:1.55rem}.cta-box p{position:relative;z-index:1;margin:5px 0 0;color:rgba(255,255,255,.86)}
.cta-box .btn{position:relative;z-index:1}
footer{padding:18px 0 26px;color:var(--soft-ink);font-weight:800;font-size:.88rem}
.foot{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

@media(max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .showcase{min-height:auto}.quick-row{grid-template-columns:repeat(3,1fr)}.quick-title{grid-column:1/-1}
  .method-grid{grid-template-columns:1fr}.faq-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:720px){
  .site-shell{width:100%;margin:0;border:0;border-radius:0}
  .wrap{width:min(100% - 28px,1360px)}
  .site-header{border-bottom:0}
  .nav{height:58px;padding-inline:14px}
  .mobile-menu{display:grid;place-items:center}
  .brand{position:absolute;left:50%;translate:-50% 0;font-size:.98rem}.brand img{display:none}
  .nav-links,.nav-actions .lang,.nav-actions .btn{display:none}
  .nav-actions{margin-left:auto}.theme-toggle{width:36px;border:0;background:transparent;box-shadow:none;padding:0}.theme-toggle span{display:none}.theme-toggle i{width:28px;height:28px}
  .hero{padding:26px 0 10px;text-align:center}
  .hero:before{width:290px;height:290px;right:-120px;top:70px}.hero:after{display:none}
  .eyebrow{display:none}
  .hero h1{font-size:2rem;line-height:1.13;margin:4px 0 10px}
  .lead{font-size:.93rem;line-height:1.58;max-width:340px;margin-inline:auto}
  .hero-actions{display:grid;gap:9px;margin-top:18px}.hero-actions .btn{width:100%;min-height:43px}
  .promise-row{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}
  .promise{display:grid;place-items:center;min-height:76px;padding:8px 7px;font-size:.7rem;line-height:1.28}.promise i{width:32px;height:32px}
  .showcase{margin-top:10px}.phone{width:100%;max-width:342px;border-radius:28px;padding:8px}.phone-screen{min-height:486px;border-radius:22px}
  .float-card{display:none}
  .quick-row{grid-template-columns:repeat(3,1fr);gap:9px;padding-top:12px}
  .quick-title{font-size:.98rem;justify-content:space-between}
  .mini-card{min-height:106px;padding:12px 7px}.mini-icon{width:42px;height:42px;border-radius:14px}.mini-card b{font-size:.73rem}.mini-card span{font-size:.66rem}
  .section{padding:17px 0}.section-head{display:block;margin-bottom:10px}.section h2{font-size:1.08rem}.section-head p{font-size:.82rem;margin-top:4px}
  .feature-grid{grid-template-columns:1fr 1fr;gap:9px}
  .feature{display:block;min-height:116px;padding:13px}.feature-icon{width:40px;height:40px;border-radius:14px;margin-bottom:9px}.feature h3{font-size:.82rem}.feature p{display:none}
  .card{padding:17px}.steps{grid-template-columns:1fr;gap:9px}.step{min-height:auto}
  .faq-grid{grid-template-columns:1fr}.faq-card{padding:13px}
  .cta-box{display:grid;text-align:center;padding:24px 18px}.cta-box .btn{width:100%}.cta-box h2{font-size:1.18rem}
  footer{font-size:.74rem}.foot{justify-content:center;text-align:center}
}