/* สไตล์กลางของ opernix.unjaiit.com — สีทั้งหมดมาจาก CSS variables ของธีมแบรนด์ (theme.js)
   สีสถาน (จ่ายแล้ว / รอจ่าย / ว่าง / ผิดพลาด) ไม่เปลี่ยนตามธีม */
:root {
  --brand: #0B6B4E;
  --brand-dark: #08513B;
  --brand-soft: #E3F3EB;
  --brand-tint: #EEF7F2;
  --brand-wash: #F4FBF7;

  --ink: #17211D;
  --ink-2: #3E4A45;
  --ink-3: #55625C;
  --line: #E1E8E4;
  --bg-soft: #F6F9F7;

  /* สีสถาน — คงที่ */
  --st-paid-bg: #D8F0E3;  --st-paid-fg: #0B5A41;
  --st-wait-bg: #FFE7CC;  --st-wait-fg: #7A3E00;
  --st-free-bg: #E6E8E7;  --st-free-fg: #3E4A45;
  --st-err-bg: #FBDADA;   --st-err-fg: #8A1C1C;

  --font-ui: 'Prompt', 'Noto Sans Thai', system-ui, sans-serif;
  --font-body: 'Sarabun', 'Noto Sans Thai', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 16px; }
body { margin: 0; background: #fff; color: var(--ink); font-family: var(--font-body); font-size: 16px; line-height: 1.6; -webkit-text-size-adjust: 100%; }
h1, h2, h3, b, strong, summary, .btn, button, label, nav { font-family: var(--font-ui); }
h1, h2, h3, p { margin: 0; }
a { color: var(--brand); }
a:hover { color: var(--brand-dark); }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 6px; }
img, svg { max-width: 100%; }
.skip { position: absolute; left: -9999px; top: 0; background: #fff; color: var(--ink); padding: 12px 16px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }

.wrap { max-width: 1160px; margin: 0 auto; padding-left: clamp(20px, 5vw, 48px); padding-right: clamp(20px, 5vw, 48px); }

/* ปุ่ม — สูงอย่างน้อย 44px (ปุ่มหลัก 56px) */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 56px; padding: 0 28px; border-radius: 999px; font-weight: 600; font-size: 18px; text-decoration: none; text-align: center; border: 2px solid transparent; cursor: pointer; background: none; }
.btn-sm { min-height: 46px; padding: 0 20px; font-size: 16px; }
.pri { background: var(--brand); color: #fff; }
.pri:hover { background: var(--brand-dark); color: #fff; }
.sec { background: #fff; color: var(--brand); border-color: var(--brand); }
.sec:hover { background: var(--brand-soft); color: var(--brand-dark); }
.wht { background: #fff; color: var(--brand); }
.wht:hover { background: var(--brand-soft); color: var(--brand-dark); }
.ghost { color: #fff; border-color: #fff; }
.ghost:hover { background: var(--brand-dark); color: #fff; }

/* ส่วนหัว */
.site-header { border-bottom: 1px solid #EEF2EF; background: #fff; }
.site-header .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 14px; padding-bottom: 14px; }
.logo { font-family: var(--font-ui); font-weight: 700; font-size: 26px; letter-spacing: 1px; color: var(--brand); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.navlinks { display: flex; gap: 8px 24px; align-items: center; font-size: 16px; flex-wrap: wrap; justify-content: flex-end; }
.navlinks a:not(.btn) { color: var(--ink); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.navlinks a:not(.btn):hover { color: var(--brand); text-decoration: underline; }

/* หัวข้อ / เนื้อความ */
.h2 { font-size: clamp(28px, 4vw, 38px); line-height: 1.3; font-weight: 700; }
.lead { font-size: 18px; line-height: 1.65; color: var(--ink-2); }
.muted { color: var(--ink-3); font-size: 15px; }
.stack { display: flex; flex-direction: column; }
.gap-10 { gap: 10px; } .gap-14 { gap: 14px; } .gap-20 { gap: 20px; } .gap-28 { gap: 28px; }
.row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.grid { display: grid; gap: 20px; }
.grid-240 { grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); }
.grid-260 { grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); }
.grid-280 { grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); }
section.block { padding: 72px 0; }
@media (max-width: 640px) { section.block { padding: 52px 0; } }

/* การ์ด */
.card { background: #fff; border-radius: 24px; padding: 26px; display: flex; flex-direction: column; gap: 10px; }
.card b { font-size: 20px; }
.card > span { font-size: 16px; line-height: 1.6; color: var(--ink-2); }
.card-line { border: 2px solid var(--line); }
.pain { background: #FFF7EC; border-radius: 20px; padding: 22px 24px; display: flex; flex-direction: column; gap: 6px; }
.pain b { font-size: 18px; color: #5C2E00; }
.pain span { font-size: 16px; line-height: 1.6; color: #5C4630; }
.num { width: 44px; height: 44px; border-radius: 999px; background: var(--brand); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-ui); font-weight: 700; font-size: 20px; }
.ico { width: 48px; height: 48px; border-radius: 14px; background: var(--brand-soft); display: flex; align-items: center; justify-content: center; }
.ico svg { stroke: var(--brand); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.pill { align-self: flex-start; background: var(--brand-soft); color: var(--brand); font-family: var(--font-ui); font-weight: 600; font-size: 15px; padding: 6px 14px; border-radius: 999px; }

/* แท็กสถานะ */
.tag { font-family: var(--font-ui); font-size: 13px; font-weight: 600; border-radius: 999px; padding: 3px 10px; }
.tag-paid { background: var(--st-paid-bg); color: var(--st-paid-fg); }
.tag-wait { background: var(--st-wait-bg); color: var(--st-wait-fg); }
.tag-free { background: var(--st-free-bg); color: var(--st-free-fg); }
.tag-err { background: var(--st-err-bg); color: var(--st-err-fg); }

/* จำลองหน้าจอโปรแกรมใน hero */
.phone { justify-self: center; width: 300px; max-width: 100%; height: 540px; border-radius: 40px; background: var(--ink); padding: 14px; }
.phone-in { width: 100%; height: 100%; border-radius: 28px; background: #fff; padding: 22px 16px; display: flex; flex-direction: column; gap: 10px; }
.room { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-radius: 14px; background: #F4F7F5; font-size: 15px; }
.phone-cta { margin-top: auto; height: 52px; border-radius: 16px; background: var(--brand); color: #fff; font-family: var(--font-ui); font-size: 17px; font-weight: 600; display: flex; align-items: center; justify-content: center; }

/* ตารางราคา */
.tier { background: #fff; border: 2px solid var(--line); border-radius: 28px; padding: 28px; display: flex; flex-direction: column; gap: 12px; }
.tier b { font-size: 22px; }
.tier ul { margin: 0; padding-left: 20px; font-size: 16px; line-height: 1.8; color: var(--ink-2); }
.tier-hot { border-color: var(--brand); background: var(--brand-wash); }
.tier .badge { align-self: flex-start; background: var(--brand); color: #fff; font-family: var(--font-ui); font-size: 14px; font-weight: 600; padding: 4px 12px; border-radius: 999px; }
.tier .btn { margin-top: auto; }
.price { font-family: var(--font-ui); font-size: 30px; font-weight: 700; }
.price small { font-size: 17px; font-weight: 500; color: var(--ink-3); }
.price-pending { font-family: var(--font-ui); font-size: 18px; font-weight: 600; color: var(--ink-3); }

/* ตารางเทียบ */
.cmp-box { border: 2px solid var(--line); border-radius: 24px; overflow: hidden; background: #fff; }
.cmp { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 12px; padding: 16px 20px; border-top: 1px solid var(--line); font-size: 16px; line-height: 1.5; align-items: start; }
.cmp:first-child { border-top: none; background: var(--bg-soft); font-family: var(--font-ui); font-weight: 600; }
.cmp > :first-child { font-family: var(--font-ui); font-weight: 600; }
@media (max-width: 640px) { .cmp { font-size: 14.5px; padding: 14px 12px; gap: 8px; } }

/* คำถามพบบ่อย */
details { background: #fff; border-radius: 20px; padding: 6px 24px; }
summary { font-size: 18px; font-weight: 600; cursor: pointer; min-height: 52px; display: flex; align-items: center; }
details p { margin: 0 0 18px 0; font-size: 16px; line-height: 1.65; color: var(--ink-2); }

/* แถบมืด / ปิดท้าย */
.dark-box { background: var(--ink); color: #fff; border-radius: 32px; padding: clamp(28px, 5vw, 48px); display: grid; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); gap: 28px; align-items: center; }
.dark-box .lead { color: #D3DED8; }
.video-box { background: #fff; border-radius: 28px; min-height: 340px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 32px; text-align: center; border: 2px dashed #B9D9C8; }
.video-box .play { width: 76px; height: 76px; border-radius: 999px; background: var(--brand); display: flex; align-items: center; justify-content: center; }
.cta-band { background: var(--brand); padding: 80px 0; }
.cta-band .h2 { color: #fff; font-size: clamp(30px, 4.5vw, 44px); }
.cta-band .lead { color: #D9EDE3; max-width: 560px; }
@media (max-width: 640px) { .cta-band { padding: 56px 0; } }

.site-footer { background: var(--ink); color: #D3DED8; padding: 40px 0; font-size: 15px; line-height: 1.7; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer a { color: #D9EDE3; min-height: 44px; display: inline-flex; align-items: center; }
.site-footer a:hover { color: #fff; }
.site-footer b { color: #fff; font-size: 20px; letter-spacing: 1px; }

/* ปุ่มบนจอเล็ก: ปุ่มหลักเต็มความกว้าง */
@media (max-width: 640px) {
  .stack-m .btn { width: 100%; }
  .hide-m { display: none !important; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }