:root {
    --primary: #176b52;
    --primary-dark: #104a3a;
    --secondary: #182e28;
    --accent: #e9bd69;
    --bg: #faf9f5;
    --bg-alt: #f0f2eb;
    --text: #243b33;
    --text-light: #647269;
    --border: #dce2d8;
    --radius: 16px;
    --shadow: 0 8px 28px #18382a08;
    --shadow-lg: 0 24px 60px #18382a14;
    --font: 'Sarabun', sans-serif;
    --font-heading: 'Kanit', sans-serif;
    --container: 1180px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.75; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.35; font-weight: 500; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #bb7c1f; outline-offset: 5px; }
button { font: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 200; background: #fff; padding: 10px; }
.skip-link:focus { top: 12px; }
.header { position: sticky; top: 0; z-index: 100; background: #faf9f5f2; backdrop-filter: blur(18px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 86px; gap: 24px; }
.logo { font-family: var(--font-heading); font-size: 1.65rem; font-weight: 600; color: var(--secondary); letter-spacing: -.04em; line-height: 1.2; }
.logo:hover { text-decoration: none; }
.logo span { color: var(--primary); }
.logo small { display: block; font: 500 .54rem var(--font); letter-spacing: .23em; margin-top: 5px; color: var(--text-light); }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a, .account-link { color: var(--text); font-size: .9rem; font-weight: 600; }
.nav a:hover { color: var(--primary); text-decoration: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 24px; background: var(--primary); color: #fff; border-radius: 8px; font-weight: 600; border: 1px solid var(--primary); cursor: pointer; font-size: .95rem; transition: background .2s; text-align: center; }
.btn:hover { background: var(--primary-dark); color: #fff; text-decoration: none; }
.nav .btn { color: #fff; padding: 10px 20px; }
.btn-outline { background: transparent; color: var(--primary); border-color: #bdcfc2; }
.btn-outline:hover { background: #e5ece2; color: var(--primary-dark); }
.btn-lg { padding: 15px 26px; font-size: 1rem; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.eyebrow { display: block; font-size: .68rem; font-weight: 700; letter-spacing: .19em; color: var(--primary); margin-bottom: 14px; }
.mobile-menu { display: none; position: relative; }
.hero { position: relative; overflow: hidden; padding: 84px 0 64px; background: radial-gradient(ellipse at 85% 30%, #e0ead9, transparent 55%), linear-gradient(120deg, #faf9f5, #f3f3e9); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 54px; }
.hero-copy { animation: enter .65s ease both; }
.hero-kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--primary); font-size: .81rem; font-weight: 600; margin-bottom: 22px; }
.hero-kicker::before { content: ''; width: 7px; height: 7px; background: var(--primary); border-radius: 50%; }
.hero h1 { font-size: clamp(2.4rem, 4.5vw, 3.8rem); letter-spacing: -.03em; line-height: 1.28; margin-bottom: 24px; }
.hero h1 span { color: var(--primary); }
.hero-copy > p { color: var(--text-light); font-size: 1.06rem; max-width: 490px; margin-bottom: 30px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin-top: 18px; font-size: .8rem !important; }
.hero-meta { display: flex; gap: 44px; border-top: 1px solid #cfdbca; margin-top: 54px; padding-top: 24px; }
.hero-meta-item strong { display: block; font: 500 1.1rem var(--font-heading); color: var(--secondary); }
.hero-meta-item span { color: var(--text-light); font-size: .76rem; }
.hero-visual { position: relative; padding: 20px 0 36px; animation: enter .8s .12s ease both; }
.theme-window { border: 1px solid #c8d4c4; border-radius: 12px; background: #fff; overflow: hidden; box-shadow: 18px 26px 0 #d8e2d140, var(--shadow-lg); transform: rotate(-2deg); }
.window-bar { padding: 13px 16px; background: #f1f3ed; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 6px; }
.window-bar i { width: 7px; height: 7px; background: #c0c9bc; border-radius: 50%; }
.window-bar span { font-size: .63rem; color: var(--text-light); margin-left: 16px; }
.sample-site { padding: 25px; }
.sample-nav { display: flex; justify-content: space-between; align-items: center; font-size: .64rem; color: var(--text-light); padding-bottom: 20px; }
.sample-nav strong { color: var(--primary); font-size: .86rem; }
.sample-hero { background: #eaf0e4; padding: 35px 26px; border-radius: 5px; position: relative; overflow: hidden; }
.sample-hero::after { content: ''; position: absolute; width: 105px; height: 160px; right: -22px; bottom: -40px; border-radius: 70px 70px 0 0; background: #c6d7b9; transform: rotate(20deg); }
.sample-hero small { font-size: .55rem; letter-spacing: .12em; color: var(--primary); }
.sample-hero h2 { font-size: 1.65rem; margin: 10px 0; position: relative; z-index: 1; }
.sample-hero p { font-size: .65rem; color: var(--text-light); }
.sample-cta { display: inline-block; background: var(--primary); color: #fff; font-size: .6rem; padding: 7px 12px; margin-top: 16px; border-radius: 3px; }
.sample-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding-top: 18px; }
.sample-cards div { border: 1px solid var(--border); border-radius: 4px; padding: 12px 8px; font-size: .64rem; }
.sample-cards b { display: block; font-size: .6rem; color: var(--primary); margin-bottom: 5px; }
.visual-label { text-align: center; font-size: .64rem; color: var(--text-light); margin-top: 23px; letter-spacing: .1em; }
.visual-stamp { position: absolute; bottom: 0; right: -10px; background: var(--secondary); color: #fff; padding: 16px 22px; border-radius: 8px; box-shadow: var(--shadow-lg); font: 400 .86rem var(--font-heading); transform: rotate(2deg); }
.visual-stamp small { display: block; font: .65rem var(--font); color: #c0d5b5; margin-top: 5px; }
.compatibility { background: var(--secondary); color: #d8e6d5; padding: 19px 0; }
.compatibility .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.compatibility span { font-size: .75rem; color: #b5c7b9; }
.compatibility strong { font: 400 1rem var(--font-heading); }
.section { padding: 88px 0; }
.section-title { max-width: 680px; margin: 0 auto 42px; text-align: center; }
.section-title h2 { font-size: clamp(1.8rem, 3vw, 2.55rem); margin-bottom: 12px; letter-spacing: -.02em; }
.section-title p { color: var(--text-light); font-size: 1rem; }
.features-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.feature-icon { font: 500 .8rem var(--font-heading); color: var(--primary); margin-bottom: 24px; border-bottom: 1px solid var(--border); padding-bottom: 12px; }
.feature-card h3 { font-size: 1.13rem; margin-bottom: 9px; }
.feature-card p { color: var(--text-light); font-size: .91rem; }
.preview { background: var(--bg-alt); border-block: 1px solid var(--border); }
.preview-frame { background: #fff; border-radius: 12px; box-shadow: var(--shadow-lg); overflow: hidden; max-width: 940px; margin: 0 auto; border: 1px solid var(--border); }
.preview-browser { background: #e8ede4; padding: 12px 16px; display: flex; align-items: center; gap: 7px; }
.preview-dot { width: 8px; height: 8px; border-radius: 50%; background: #aebaa8; flex-shrink: 0; }
.preview-url { background: #ffffffb0; border-radius: 4px; padding: 4px 12px; font-size: .75rem; color: var(--text-light); margin-left: 10px; overflow-wrap: anywhere; }
.preview-content img { width: 100%; display: block; }
.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; max-width: 930px; margin: 0 auto; }
.pricing-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 34px; text-align: left; }
.pricing-card.featured { border: 2px solid var(--primary); background: #f9fcf5; }
.pricing-badge { display: inline-block; color: var(--text-light); font-size: .8rem; font-weight: 600; margin-bottom: 20px; }
.pricing-badge.lifetime { color: var(--primary); background: #e2edd9; padding: 4px 12px; border-radius: 4px; }
.pricing-price { font: 500 clamp(2.5rem, 5vw, 3.3rem) var(--font-heading); color: var(--secondary); letter-spacing: -.03em; }
.pricing-price small { font: 400 .9rem var(--font); color: var(--text-light); }
.pricing-period { color: var(--text-light); font-size: .86rem; margin-top: 6px; }
.pricing-description { color: var(--text-light); font-size: .85rem; margin-top: 16px; overflow-wrap: anywhere; }
.catalog-notice { max-width: 650px; margin: 0 auto; padding: 24px; border: 1px solid var(--border); border-radius: 10px; background: #fff; color: var(--text-light); text-align: center; }
.pricing-features { list-style: none; margin: 26px 0; font-size: .9rem; }
.pricing-features li { padding: 7px 0; }
.pricing-features li::before, .order-includes li::before { content: '\2713'; color: var(--primary); margin-right: 10px; }
.pricing-card .btn { width: 100%; }
.payment-trust { text-align: center; color: var(--text-light); font-size: .82rem; margin-top: 28px; }
.payment-trust strong { color: var(--primary); }
.includes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 30px; }
.includes-item { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: .9rem; }
.includes-item::before { content: '\2713'; color: var(--primary); margin-right: 10px; }
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-item summary { cursor: pointer; font-weight: 600; padding: 4px 0; }
.faq-item summary:hover { color: var(--primary); }
.faq-item p { margin-top: 12px; color: var(--text-light); font-size: .95rem; }
.cta { background: radial-gradient(ellipse at 90% 10%, #3c6143, transparent 65%), var(--secondary); color: #fff; text-align: center; padding: 76px 0; }
.cta h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); margin-bottom: 16px; }
.cta p { color: #c2d2be; margin-bottom: 28px; }
.cta .btn { background: #e8c882; border-color: #e8c882; color: var(--secondary); }
.cta .btn:hover { background: #f5d899; }
.footer { background: #14251f; color: #a6baab; padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
.footer h4 { color: #edf1e8; margin-bottom: 16px; font-size: 1rem; }
.footer a { color: #b5c9ba; }
.footer a:hover { color: #fff; }
.footer ul { list-style: none; font-size: .86rem; }
.footer li { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid #ffffff1a; padding-top: 24px; font-size: .78rem; }
.text-link { font-size: .85rem; font-weight: 600; }
.checkout-page { padding-top: 52px; padding-bottom: 30px; }
.checkout-heading { margin-bottom: 36px; }
.checkout-heading h1 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 10px; }
.checkout-heading > p { color: var(--text-light); }
.checkout-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: start; }
.order-summary { background: #eaf0e3; border: 1px solid #d9e2d1; padding: 34px; border-radius: 12px; }
.order-summary h2 { font-size: 1.55rem; margin-bottom: 8px; }
.order-package { color: var(--primary); }
.order-includes { list-style: none; font-size: .9rem; padding: 24px 0; }
.order-includes li { margin: 7px 0; }
.order-total { border-top: 1px solid #cedbc7; padding-top: 22px; }
.order-total > span { display: block; font-size: .85rem; }
.order-total strong { display: block; font: 500 2.6rem var(--font-heading); color: var(--primary-dark); }
.order-total small { font: 400 .9rem var(--font); }
.order-note { color: var(--text-light); font-size: .8rem; }
.order-customer { padding: 24px 0; margin-top: 22px; border-top: 1px solid #cedbc7; overflow-wrap: anywhere; }
.order-customer span { display: block; font-size: .75rem; color: var(--text-light); }
.order-customer strong { font-size: .9rem; font-weight: 600; }
.payment-panel { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 34px; box-shadow: var(--shadow); }
.payment-panel-heading { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.step-number { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; border-radius: 50%; background: #edf3e7; color: var(--primary); font: 400 1rem var(--font-heading); }
.payment-panel-heading .eyebrow { margin-bottom: 4px; font-size: .6rem; }
.payment-panel h2 { font-size: 1.35rem; }
.payment-panel > p { color: var(--text-light); font-size: .9rem; }
.payment-provider { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 16px; border: 1px solid #d7e2d1; background: #f7faf4; border-radius: 8px; margin: 24px 0; }
.payment-provider > strong { color: #14485d; font: 500 1.15rem var(--font-heading); }
.payment-provider > span { color: var(--text-light); font-size: .72rem; }
.payment-provider b { color: var(--secondary); font-size: 1.05rem; letter-spacing: -.05em; }
.pay-button { width: 100%; }
.payment-message { padding: 14px 16px; border-radius: 6px; background: #eef5e8; color: var(--primary-dark); margin: 18px 0; font-size: .86rem; overflow-wrap: anywhere; }
.payment-message.error { background: #fcf0e7; color: #914316; }
.test-notice { background: #fff4d3; color: #725519; padding: 10px; margin-top: 20px; text-align: center; font-size: .85rem; border-radius: 6px; }
.test-payment-actions { margin-top: 12px; padding: 16px; background: #fffbeb; border: 1px dashed #dfca92; border-radius: 8px; }
.test-payment-actions .btn { width: 100%; }
.test-payment-actions p { margin-top: 10px; color: #725519; font-size: .78rem; }
.qr-box { text-align: center; margin: 24px 0 16px; }
.qr-box img { width: min(280px, 100%); height: auto; display: block; margin: 0 auto 14px; }
.qr-box p { font-size: .85rem; color: var(--text-light); margin-bottom: 8px; }
.payment-reference { font-size: .7rem; color: var(--text-light); overflow-wrap: anywhere; margin-top: 18px; }
.payment-reference span { font-family: monospace; }
.payment-help { border-top: 1px solid var(--border); padding-top: 22px; margin-top: 28px; font-size: .8rem; }
.payment-help > p { color: var(--text-light); margin-top: 5px; }
.payment-success { text-align: center; padding-top: 24px; }
.success-mark { display: grid; place-items: center; width: 60px; height: 60px; background: #e1edd7; border-radius: 50%; color: var(--primary); font-size: 1.5rem; margin: 0 auto 16px; }
.payment-success h3 { font-size: 1.65rem; color: var(--primary); }
.payment-success p { color: var(--text-light); font-size: .9rem; margin: 10px 0 24px; }
.checkout-support { text-align: center; font-size: .8rem; color: var(--text-light); padding: 30px 0; }
@keyframes enter { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 1000px) {
    .nav { gap: 16px; }
    .hero-grid { gap: 30px; }
    .hero h1 { font-size: 3rem; }
    .hero-meta { gap: 24px; }
    .hero-meta-item strong { font-size: .95rem; }
}
@media (max-width: 800px) {
    .nav { display: none; }
    .mobile-menu { display: block; }
    .mobile-menu summary { cursor: pointer; font-size: .9rem; padding: 10px; }
    .mobile-menu nav { position: absolute; right: 0; top: 48px; width: 220px; background: var(--bg); padding: 12px; border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow-lg); }
    .mobile-menu a { display: block; padding: 10px 12px; }
    .hero { padding: 50px 0; }
    .hero-grid { grid-template-columns: 1fr; gap: 14px; }
    .hero h1 { font-size: clamp(2.3rem, 7vw, 3.5rem); }
    .hero-copy > p { max-width: 570px; }
    .hero-visual { max-width: 510px; width: 100%; margin: 0 auto; }
    .hero-meta { margin-top: 32px; gap: 26px; }
    .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .includes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 2fr 1fr; gap: 30px; }
    .checkout-layout { grid-template-columns: 1fr; max-width: 620px; margin: 0 auto; }
    .checkout-heading { max-width: 620px; margin: 0 auto 28px; }
    .checkout-page { padding-top: 32px; }
    .order-includes { padding: 14px 0; }
}
@media (max-width: 540px) {
    .container { padding-left: 20px; padding-right: 20px; }
    .header-inner { min-height: 72px; }
    .logo { font-size: 1.4rem; }
    .logo small { font-size: .48rem; }
    .section { padding: 60px 0; }
    .hero-buttons { flex-direction: column; }
    .hero-meta { gap: 20px; justify-content: space-between; }
    .hero-meta-item strong { font-size: .9rem; }
    .hero-meta-item span { font-size: .67rem; }
    .sample-site { padding: 16px; }
    .sample-hero { padding: 24px 18px; }
    .sample-hero h2 { font-size: 1.4rem; }
    .visual-stamp { right: 0; }
    .compatibility .container { justify-content: center; gap: 12px 24px; }
    .compatibility span { width: 100%; text-align: center; }
    .compatibility strong { font-size: .85rem; }
    .features-grid, .pricing-grid, .includes { grid-template-columns: 1fr; }
    .feature-card { padding: 24px; }
    .pricing-card { padding: 26px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .order-summary, .payment-panel { padding: 24px; }
    .payment-panel-heading { gap: 12px; }
    .payment-panel h2 { font-size: 1.15rem; }
    .payment-provider { flex-wrap: wrap; }
    .account-link { font-size: .8rem; }
    .checkout-heading h1 { font-size: 1.9rem; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
}