/* AI Auto Done — เอกลักษณ์ของเราเอง: น้ำเงินหมึก + เขียวมิ้นต์ (ไม่ใช่ม่วง-ส้มแบบเจ้าอื่น) */
:root{
  --bg:#080c14;
  --bg2:#0c121d;
  --card:#111927;
  --line:#1e2a3d;
  --text:#e8eef7;
  --muted:#8fa0b8;
  --mint:#2ee6a8;
  --sky:#3d9bff;
  --amber:#ffc65c;
  --rose:#ff6b7f;
  --radius:16px;
  --wrap:1140px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:16px/1.75 "Sarabun","Segoe UI",system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3{line-height:1.3;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(30px,5.5vw,58px);font-weight:800}
h2{font-size:clamp(24px,3.4vw,36px);font-weight:700}
h3{font-size:18px;font-weight:700}
p{margin:0 0 1em}
a{color:inherit}
ul{margin:0;padding:0;list-style:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.wrap.narrow{max-width:820px}
.center{text-align:center}
.muted{color:var(--muted)}
.sm{font-size:13px}
.sub{color:var(--muted);max-width:620px;margin:0 auto 36px}
.grad{background:linear-gradient(100deg,var(--mint),var(--sky));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* ── ปุ่ม ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text);
  font:inherit;font-weight:600;font-size:15px;cursor:pointer;
  text-decoration:none;transition:.18s;
}
.btn:hover{border-color:var(--mint);transform:translateY(-1px)}
.btn.primary{background:linear-gradient(100deg,var(--mint),var(--sky));border-color:transparent;color:#06121a}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.btn.lg{padding:14px 30px;font-size:16px}
.btn.sm{padding:7px 15px;font-size:13.5px}
.btn.wide{width:100%;margin-top:16px}

/* ── NAV ── */
.nav{position:sticky;top:0;z-index:50;transition:.25s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(8,12,20,.86);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:800;letter-spacing:.06em}
.brand-mark{color:var(--mint);font-size:15px}
.brand-text{font-size:15px}
.brand-text b{font-weight:800;color:var(--mint)}
.nav-links{display:flex;gap:22px;margin-left:auto}
.nav-links a{color:var(--muted);text-decoration:none;font-size:14.5px;transition:.15s}
.nav-links a:hover{color:var(--text)}
.nav-cta{display:flex;align-items:center;gap:8px}
.burger{display:none;background:none;border:0;color:var(--text);font-size:20px;cursor:pointer}

/* ── HERO ── */
.hero{position:relative;padding:70px 0 40px;overflow:hidden}
.hero-inner{position:relative;text-align:center;z-index:1}
.glow{position:absolute;border-radius:50%;filter:blur(110px);opacity:.30;pointer-events:none}
.glow-a{width:520px;height:520px;background:var(--mint);top:-190px;left:-120px}
.glow-b{width:480px;height:480px;background:var(--sky);top:-120px;right:-140px}

.badge{
  display:inline-block;padding:5px 15px;border-radius:999px;
  border:1px solid rgba(46,230,168,.35);background:rgba(46,230,168,.08);
  color:var(--mint);font-size:12.5px;font-weight:600;letter-spacing:.08em;margin-bottom:22px;
}
.lead{color:var(--muted);font-size:clamp(15px,1.9vw,19px);max-width:640px;margin:0 auto 30px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:44px}

.hero-stats{display:flex;gap:44px;justify-content:center;flex-wrap:wrap;margin-bottom:50px}
.hero-stats li{text-align:center}
.hero-stats b{display:block;font-size:30px;font-weight:800;
  background:linear-gradient(100deg,var(--mint),var(--sky));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{color:var(--muted);font-size:13px}

/* ── ภาพจำลองหน้าจอ ── */
.mock{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.55);max-width:760px;margin:0 auto;
}
.mock-bar{display:flex;align-items:center;gap:7px;padding:11px 15px;
  background:var(--bg2);border-bottom:1px solid var(--line)}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:#2b3448}
.mock-bar i:nth-child(1){background:#ff5f57}
.mock-bar i:nth-child(2){background:#febc2e}
.mock-bar i:nth-child(3){background:#28c840}
.mock-bar span{margin-left:10px;color:var(--muted);font-size:12.5px}
.mock-body{padding:16px}
.mock-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
.mock-tab{padding:11px 6px;border-radius:11px;background:var(--bg2);border:1px solid var(--line);
  text-align:center;font-size:12px;color:var(--muted)}
.mock-tab.on{background:linear-gradient(150deg,var(--mint),var(--sky));border-color:transparent;color:#06121a;font-weight:700}
.mock-log{background:#070b12;border:1px solid var(--line);border-radius:11px;padding:12px 14px;
  font-family:ui-monospace,Consolas,monospace;font-size:12px;line-height:1.85}
.mock-log p{margin:0;color:#b9c6d8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mock-log span{color:#4a5c75;margin-right:8px}
.mock-log .ok{color:var(--mint)}

/* ── SECTION ── */
.section{padding:86px 0}
.section.alt{background:var(--bg2)}
.band{padding:70px 0;background:var(--bg2)}
.note{color:var(--muted);font-size:14px;max-width:640px;margin:26px auto 0}

/* ── เทียบก่อน/หลัง ── */
.compare{display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:center;margin-top:36px}
.compare-col{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px}
.compare-col h3{margin-bottom:14px}
.compare-col li{padding-left:26px;position:relative;margin-bottom:9px;color:var(--muted);font-size:14.5px}
.compare-col.bad li::before{content:"✕";position:absolute;left:0;color:var(--rose);font-weight:700}
.compare-col.good li::before{content:"✓";position:absolute;left:0;color:var(--mint);font-weight:700}
.compare-col.good{border-color:rgba(46,230,168,.3);background:linear-gradient(180deg,rgba(46,230,168,.05),transparent)}
.compare-arrow{font-size:26px;color:var(--mint)}

/* ── การ์ด ── */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.cards.two{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));max-width:760px;margin:0 auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.card:hover{border-color:rgba(46,230,168,.4);transform:translateY(-3px)}
.card .ico{font-size:26px;margin-bottom:12px}
.card p{color:var(--muted);font-size:14.5px;margin:0}

/* ── ขั้นตอน ── */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;counter-reset:s}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;position:relative}
.steps .n{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  border-radius:50%;background:linear-gradient(150deg,var(--mint),var(--sky));
  color:#06121a;font-weight:800;font-size:14px;margin-bottom:12px}
.steps h3{font-size:16px;margin-bottom:6px}
.steps p{color:var(--muted);font-size:13.5px;margin:0}

/* ── สเปค ── */
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:32px}
.spec{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:.2s}
.spec .k{display:block;color:var(--muted);font-size:12.5px}
.spec .v{display:block;font-size:17px;margin:3px 0 5px}
.spec .need{color:#61708a;font-size:12px}
.spec.ok{border-color:rgba(46,230,168,.45);background:rgba(46,230,168,.06)}
.spec.ok .v{color:var(--mint)}
.spec.no{border-color:rgba(255,107,127,.45);background:rgba(255,107,127,.06)}
.spec.no .v{color:var(--rose)}
.spec.meh{border-color:rgba(255,198,92,.4);background:rgba(255,198,92,.05)}
.spec.meh .v{color:var(--amber)}
.verdict{text-align:center;margin-top:16px;font-weight:600;min-height:26px}
.verdict.ok{color:var(--mint)} .verdict.no{color:var(--rose)} .verdict.meh{color:var(--amber)}

/* ── ราคา ── */
.tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.tab{padding:9px 20px;border-radius:999px;border:1px solid var(--line);background:transparent;
  color:var(--muted);font:inherit;font-size:14px;cursor:pointer;transition:.18s}
.tab:hover{color:var(--text)}
.tab.on{background:rgba(46,230,168,.12);border-color:rgba(46,230,168,.5);color:var(--mint);font-weight:600}

.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:18px;margin-top:8px}
.price{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;position:relative;transition:.2s}
.price:hover{transform:translateY(-3px)}
.price.popular{border-color:var(--mint);background:linear-gradient(180deg,rgba(46,230,168,.07),transparent)}
.price .tag{position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  background:linear-gradient(100deg,var(--mint),var(--sky));color:#06121a;
  font-size:11.5px;font-weight:800;padding:3px 13px;border-radius:999px;white-space:nowrap}
.price .amount{font-size:38px;font-weight:800;line-height:1.2}
.price .per{color:var(--muted);font-size:13px;margin-bottom:16px}
.price ul li{padding-left:24px;position:relative;margin-bottom:8px;font-size:14.5px;color:var(--muted)}
.price ul li::before{content:"✓";position:absolute;left:0;color:var(--mint);font-weight:700}

.addons{margin-top:60px}
.addon-price{margin-top:14px;font-size:21px;font-weight:700;color:var(--mint)}

/* ── FAQ ── */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:13px;
  padding:16px 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--mint);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--muted);font-size:14.5px;margin:12px 0 0}

/* ── CTA + FOOTER ── */
.cta{padding:86px 0;background:
  radial-gradient(700px 260px at 50% 0%,rgba(46,230,168,.14),transparent),var(--bg2);
  border-top:1px solid var(--line)}
.foot{border-top:1px solid var(--line);padding:40px 0 26px;background:var(--bg)}
.foot-inner{display:flex;gap:30px;justify-content:space-between;flex-wrap:wrap;margin-bottom:24px}
.foot-links{display:flex;flex-direction:column;gap:7px}
.foot-links a{color:var(--muted);text-decoration:none;font-size:14px}
.foot-links a:hover{color:var(--mint)}
.copy{border-top:1px solid var(--line);padding-top:18px;text-align:center}

/* ── animation ── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ── มือถือ ── */
@media (max-width:860px){
  .nav-links{
    position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(8,12,20,.97);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);padding:8px 20px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 0;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .nav-cta .btn.ghost{display:none}
  .compare{grid-template-columns:1fr}
  .compare-arrow{transform:rotate(90deg);text-align:center}
  .hero-stats{gap:28px}
  .section{padding:60px 0}
  .mock-log p{font-size:11px}
}