/* AllEV Tire — สไตล์หลัก */
:root{
  --bg:#f4f6f8;
  --surface:#ffffff;
  --ink:#14202b;
  --muted:#5d6b78;
  --line:#dde3e9;
  --accent:#0a6cff;
  --accent-soft:#e3eeff;
  --ev:#0f8a5f;
  --ev-soft:#ddf3ea;
  --hk:#d7651a;
  --hk-soft:#fdeee2;
  --hero:#0b1b2e;
  --hero-ink:#f3f6fa;
  --font-display:"Prompt","Noto Sans Thai",system-ui,sans-serif;
  --font-body:"IBM Plex Sans Thai","Noto Sans Thai",system-ui,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0e141a;--surface:#161e26;--ink:#e7edf2;--muted:#93a1ae;--line:#26323d;
  --accent:#4f9bff;--accent-soft:#16283f;--ev:#3ccf95;--ev-soft:#123226;--hk:#f0945a;--hk-soft:#3a2416;
  --hero:#07111c;color-scheme:dark;}}
:root[data-theme="dark"]{
  --bg:#0e141a;--surface:#161e26;--ink:#e7edf2;--muted:#93a1ae;--line:#26323d;
  --accent:#4f9bff;--accent-soft:#16283f;--ev:#3ccf95;--ev-soft:#123226;--hk:#f0945a;--hk-soft:#3a2416;
  --hero:#07111c;color-scheme:dark;}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:15px;line-height:1.55}
img,svg{max-width:100%}
a{color:var(--accent)}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
h1,h2,h3{font-family:var(--font-display);letter-spacing:-.01em;text-wrap:balance}
h2{font-size:26px;font-weight:700;margin:0 0 6px}
.sec{padding:40px 0}
.sec-head{margin-bottom:20px}
.sec-head p{margin:0;color:var(--muted);max-width:640px}
.eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}

/* nav */
.nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;height:60px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--font-display);font-weight:600;font-size:16px}
.logo img{height:44px;width:auto;display:block}
.logo .logo-txt{color:var(--muted)}
@media (max-width:480px){.logo img{height:38px}}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{font-size:14px;color:var(--ink);text-decoration:none;padding:8px 10px;border-radius:8px}
.nav-links a:hover{background:var(--accent-soft)}
.nav-cta{display:flex;gap:8px}
.btn{font:inherit;font-size:14px;font-weight:600;line-height:1.25;border-radius:10px;padding:10px 14px;cursor:pointer;border:1.5px solid transparent;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;text-align:center}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{filter:brightness(1.08)}
.btn-dark{background:var(--ink);color:var(--bg)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line{background:#06c755;color:#fff}
.btn-lg{font-size:16px;padding:13px 20px;border-radius:12px}
.btn small{display:block;font-weight:400;font-size:12px;opacity:.8}
.menu-btn{display:none;font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:6px 10px;cursor:pointer}
@media (max-width:860px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:60px;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 16px 12px}
  .nav-links.open{display:flex}
  .nav-cta{display:none}
  .menu-btn{display:block}
}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,#1d4f8a 0,transparent 60%),var(--hero);color:var(--hero-ink);padding:56px 0 48px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center}
.hero h1{font-size:40px;line-height:1.15;margin:0 0 14px;font-weight:700}
.hero h1 em{font-style:normal;color:#3ccf95}
.hero p.lead{font-size:17px;color:#c7d3e0;margin:0 0 22px;max-width:520px}
.hero-ctas{display:flex;gap:10px;flex-wrap:wrap}
.hero .btn-outline{color:#fff;border-color:rgba(255,255,255,.55)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:28px}
.hero-stats div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:12px 14px}
.hero-stats b{display:block;font-family:var(--font-display);font-size:22px;font-weight:600}
.hero-stats span{font-size:12.5px;color:#aebccb}
.hero-card{background:var(--surface);color:var(--ink);border-radius:18px;padding:18px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.hero-card h3{margin:0 0 4px;font-size:17px}
.hero-card p{margin:0 0 12px;color:var(--muted);font-size:13.5px}
.hero-card select{width:100%;margin-bottom:8px}
.hero-card .sz{display:flex;justify-content:space-between;align-items:center;background:var(--accent-soft);border-radius:10px;padding:10px 12px;margin:4px 0 12px;font-size:13.5px}
.hero-card .sz b{font-family:var(--font-display);font-size:20px;color:var(--accent)}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero h1{font-size:31px}.hero-stats{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.hero-stats{grid-template-columns:1fr 1fr}}

/* finder (จากต้นแบบ) */
.finder{display:flex;flex-direction:column;gap:18px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:14px}
.step{display:flex;flex-direction:column;gap:8px}
.step-label{font-size:13px;color:var(--muted);font-weight:500;display:flex;gap:8px;align-items:center}
.step-label b{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--accent);color:#fff;font-size:12px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:inherit;font-size:14px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:7px 13px;border-radius:999px;cursor:pointer;transition:border-color .15s,background .15s}
.chip:hover{border-color:var(--accent)}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.chip:focus-visible,.toggle:focus-visible,select:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.chip small{opacity:.75;margin-left:4px}
.summary{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.stat .k{font-size:12.5px;color:var(--muted)}
.stat .v{font-family:var(--font-display);font-weight:600;font-size:20px;font-variant-numeric:tabular-nums}
.stat.size .v{color:var(--accent)}
.controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.toggles{display:flex;gap:8px;flex-wrap:wrap}
.toggle{font:inherit;font-size:13.5px;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:6px 12px;border-radius:8px;cursor:pointer}
.toggle[aria-pressed="true"]{border-color:var(--ev);background:var(--ev-soft);color:var(--ev)}
.toggle.prem[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
select,input,textarea{font:inherit;font-size:14px;padding:8px 10px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink)}
.legend{font-size:12.5px;color:var(--muted)}

/* Hankook recommend card */
.hk{background:var(--surface);border:2px solid var(--hk);border-radius:14px;overflow:hidden}
.hk-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;background:var(--hk-soft);border-bottom:1px solid var(--line);flex-wrap:wrap}
.hk-head h3{margin:0;font-size:18px;font-weight:600;color:var(--hk)}
.hk-head .tag{font-size:12px;font-weight:600;background:var(--hk);color:#fff;border-radius:6px;padding:2px 8px}
.hk-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:12px 16px}
.hk-row+.hk-row{border-top:1px dashed var(--line)}
.hk-row .m-name{font-weight:600;font-size:16px}
.hk-row .price .p{color:var(--hk)}
.hk-row .price .rrp{font-size:12.5px;color:var(--muted)}
.hk-row .price .rrp s{opacity:.8}
.hk-none{padding:14px 16px;color:var(--muted);font-size:14px}
.hk-foot{padding:10px 16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center}

/* brands list */
.brands{display:flex;flex-direction:column;gap:12px}
.brand{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.brand-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}
.brand-head h3{margin:0;font-weight:600;font-size:18px}
.tier{font-size:12px;color:var(--muted);margin-left:8px;font-family:var(--font-body);font-weight:500}
.from{font-size:13px;color:var(--muted)}
.from b{color:var(--ink);font-variant-numeric:tabular-nums}
.row{display:grid;grid-template-columns:1fr 150px 120px;gap:12px;align-items:center;padding:11px 16px}
.row+.row{border-top:1px dashed var(--line)}
.m-name{font-weight:600}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:3px;font-size:12.5px;color:var(--muted)}
.badge{font-size:11.5px;font-weight:600;padding:1px 7px;border-radius:6px;background:var(--ev-soft);color:var(--ev)}
.badge.hk{background:var(--hk-soft);color:var(--hk)}
.bar{height:6px;border-radius:3px;background:var(--line);position:relative}
.bar i{position:absolute;top:-3px;width:12px;height:12px;border-radius:50%;background:var(--accent);transform:translateX(-50%);border:2px solid var(--surface)}
.price{text-align:right;font-variant-numeric:tabular-nums}
.price .p{font-family:var(--font-display);font-weight:600;font-size:18px}
.price .x4{font-size:12.5px;color:var(--muted)}
.pick-btn{font:inherit;font-size:12.5px;margin-top:6px;border:1px solid var(--accent);color:var(--accent);background:transparent;padding:3px 10px;border-radius:7px;cursor:pointer}
.pick-btn:hover,.pick-btn[aria-pressed="true"]{background:var(--accent);color:#fff}
.pick-btn.hk{border-color:var(--hk);color:var(--hk)}
.pick-btn.hk:hover,.pick-btn.hk[aria-pressed="true"]{background:var(--hk);color:#fff}
.empty{padding:24px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--line);border-radius:14px}
.sub-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.sub-head h3{margin:0;font-size:17px;font-weight:600}
.sub-head span{font-size:12.5px;color:var(--muted)}

/* shops + booking */
.shops{background:var(--surface);border:2px solid var(--accent);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:12px;scroll-margin-top:72px}
.shops h2{margin:0;font-size:19px;font-weight:600}
.picked{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;background:var(--accent-soft);border-radius:10px;padding:10px 12px}
.picked b{font-variant-numeric:tabular-nums}
.loc{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.loc .primary{font:inherit;font-size:14px;background:var(--accent);color:#fff;border:0;padding:8px 14px;border-radius:9px;cursor:pointer}
.loc-msg{font-size:13px;color:var(--muted)}
.shop{display:grid;grid-template-columns:28px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.shop .n{width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:600;font-size:13px}
.shop .nm{font-weight:600}
.shop .sub{font-size:12.5px;color:var(--muted)}
.shop .km{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.shop a{font-size:12.5px;color:var(--accent);text-decoration:none}
.book-btn{font:inherit;font-size:12.5px;border:1px solid var(--accent);background:var(--surface);color:var(--accent);padding:4px 10px;border-radius:7px;cursor:pointer;margin-top:4px}
.book-btn[aria-pressed="true"],.book-btn:hover{background:var(--accent);color:#fff}
.booking{border-top:2px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:12px;scroll-margin-top:72px}
.booking h3{margin:0;font-size:17px;font-weight:600}
.slots{display:flex;flex-wrap:wrap;gap:8px}
.slot{font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:8px 12px;cursor:pointer;text-align:center;font-variant-numeric:tabular-nums}
.slot[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.slot:disabled{opacity:.4;cursor:not-allowed;text-decoration:line-through}
.cal{border:1px solid var(--line);border-radius:12px;padding:10px;max-width:380px}
.cal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-weight:600}
.cal-head button{font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;width:34px;height:30px;cursor:pointer}
.cal-head button:disabled{opacity:.3;cursor:not-allowed}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;text-align:center}
.cal-grid .dw{font-size:12px;color:var(--muted);padding:4px 0}
.cal-grid button{font:inherit;font-variant-numeric:tabular-nums;border:1px solid transparent;background:transparent;color:var(--ink);border-radius:8px;padding:7px 0;cursor:pointer}
.cal-grid button:hover:not(:disabled){border-color:var(--accent)}
.cal-grid button:disabled{color:var(--muted);opacity:.45;cursor:not-allowed}
.cal-grid button.prep{background:repeating-linear-gradient(45deg,transparent 0 4px,var(--line) 4px 6px)}
.cal-grid button[aria-pressed="true"]{background:var(--accent);color:#fff}
.cal-legend{font-size:12px;color:var(--muted);margin-top:6px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
.form input,.form textarea,.form select{font-size:15px}
.form .full{grid-column:1/-1}
.submit{font:inherit;font-size:15px;font-weight:600;background:var(--ev);color:#fff;border:0;padding:11px 16px;border-radius:10px;cursor:pointer}
.submit:disabled{opacity:.5;cursor:not-allowed}
.err{color:#c0392b;font-size:13px}
.confirm{background:var(--ev-soft);border:1px solid var(--ev);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:6px}
.confirm b.code{font-family:var(--font-display);font-size:20px;letter-spacing:.06em}
.sample{font-size:12px;color:var(--muted)}
@media (max-width:640px){.form{grid-template-columns:1fr}}

/* overlay sheets */
.overlay{position:fixed;inset:0;background:rgba(8,14,20,.55);display:flex;justify-content:center;align-items:flex-start;overflow-y:auto;padding:24px 12px;z-index:50}
.overlay[hidden]{display:none}
.sheet{background:var(--surface);color:var(--ink);border-radius:16px;max-width:720px;width:100%;padding:18px;display:flex;flex-direction:column;gap:14px;border:1px solid var(--line)}
.sheet-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.sheet h2{margin:0;font-size:21px}
.x{font:inherit;font-size:20px;line-height:1;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:9px;width:36px;height:36px;cursor:pointer;flex:none}
.fl-rows{display:flex;flex-direction:column;gap:8px}
.fl-row{display:grid;grid-template-columns:1.6fr 1fr 90px 36px;gap:8px;align-items:end}
.fl-row select,.fl-row input{width:100%}
.fl-row .sz{font-size:13px;color:var(--muted);padding-bottom:9px}
.fl-row .rm{height:38px}
.add-row{font:inherit;font-size:13.5px;align-self:flex-start;border:1px dashed var(--accent);color:var(--accent);background:transparent;border-radius:8px;padding:6px 12px;cursor:pointer}
.est{background:var(--accent-soft);border-radius:10px;padding:10px 12px;font-size:14px;font-variant-numeric:tabular-nums}
.est table{width:100%;border-collapse:collapse}
.est td{padding:3px 4px}
.est td:last-child{text-align:right}
.chk{display:flex;flex-wrap:wrap;gap:8px}
.chk label{display:flex;flex-direction:row;gap:6px;align-items:center;font-size:14px;color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:5px 12px;cursor:pointer}
@media (max-width:640px){.fl-row{grid-template-columns:1fr 84px 40px;padding-bottom:8px;border-bottom:1px solid var(--line)}.fl-row>label:first-child{grid-column:1/-1}}

/* landing sections */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.step-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
.step-card .num{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-family:var(--font-display);margin-bottom:10px}
.step-card h3{margin:0 0 4px;font-size:16px;font-weight:600}
.step-card p{margin:0;font-size:13.5px;color:var(--muted)}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.tier-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:8px}
.tier-card.hi{border-color:var(--hk)}
.tier-card .lvl{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--hk)}
.tier-card h3{margin:0;font-size:19px;font-weight:600}
.tier-card ul{margin:0;padding-left:18px;color:var(--muted);font-size:13.5px}
.tier-card .for{font-size:13px;margin-top:auto;padding-top:8px;border-top:1px dashed var(--line)}
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.why div{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
.why h3{margin:0 0 4px;font-size:16px;font-weight:600}
.why p{margin:0;font-size:13.5px;color:var(--muted)}
.ctas{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cta-card{border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:10px}
.cta-card.fleet{background:var(--hero);color:#fff}
.cta-card.partner{background:var(--surface);border:1.5px solid var(--ink)}
.cta-card h3{margin:0;font-size:21px;font-weight:600}
.cta-card p{margin:0;font-size:14px;opacity:.85}
.cta-card ul{margin:0;padding-left:18px;font-size:13.5px;opacity:.9}
.cta-card .btn{align-self:flex-start;margin-top:6px}
.cta-card.fleet .btn{background:#fff;color:var(--hero)}
.contact{display:flex;flex-wrap:wrap;gap:10px}
footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:13px}
footer .cols{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:20px;margin-bottom:18px}
footer h4{margin:0 0 6px;color:var(--ink);font-size:14px}
footer p{margin:0 0 6px}
.note{font-size:12.5px;color:var(--muted);display:flex;flex-direction:column;gap:6px;margin-top:14px}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}.tiers{grid-template-columns:1fr}.why{grid-template-columns:1fr}.ctas{grid-template-columns:1fr}footer .cols{grid-template-columns:1fr}}
@media (max-width:640px){
  .summary{grid-template-columns:repeat(2,1fr)}
  .row{grid-template-columns:1fr auto}
  .row .bar{display:none}
  h2{font-size:22px}
  .steps{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}