/* ===== Base / Tokens ===== */
:root{
  --navy-900:#0b2545;
  --navy-800:#13315c;
  --navy-700:#1d4e89;
  --gold-500:#c99a3d;
  --gold-400:#e0b95a;
  --ink:#1b1a17;
  --muted:#726c5c;
  --bg:#fdfbf6;
  --surface:#f6f0e4;
  --card:#fffdf9;
  --border:#e7dfcb;
  --success-bg:#eafaf0;
  --success-text:#146c43;
  --danger-bg:#fdecec;
  --danger-text:#b42318;
  --radius:10px;
  --radius-lg:14px;
  --font-display:'Noto Serif Thai','Noto Serif',serif;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05);
  --shadow:0 2px 8px rgba(11,37,69,.05), 0 20px 40px -26px rgba(11,37,69,.22);
  --shadow-lg:0 24px 60px -22px rgba(11,37,69,.3);
  --shadow-gold:0 14px 34px -12px rgba(201,154,61,.45);
  --container:1160px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Prompt',system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;color:var(--ink);font-weight:700;letter-spacing:0;font-family:var(--font-display);}
p{margin:0 0 1em;color:var(--muted);}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:.95rem;
  border:1.5px solid transparent;cursor:pointer;transition:.25s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:var(--navy-900);font-weight:700;box-shadow:var(--shadow-gold);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px -14px rgba(201,154,61,.55);}
.btn-outline{border-color:rgba(255,255,255,.4);color:#fff;}
.btn-outline:hover{border-color:var(--gold-400);color:var(--gold-400);background:rgba(255,255,255,.06);}
.btn-outline-navy{border-color:var(--border);color:var(--navy-900);}
.btn-outline-navy:hover{border-color:var(--navy-900);background:var(--navy-900);color:#fff;}
.btn-block{width:100%;}
.btn:disabled{opacity:.6;cursor:not-allowed;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--border), 0 12px 24px -20px rgba(15,23,42,.2);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:80px;
}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:38px;height:38px;border-radius:9px;
  background:var(--navy-900);border:1px solid var(--gold-500);
  color:var(--gold-400);font-weight:700;font-size:.85rem;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.brand-logo{width:38px;height:38px;border-radius:9px;object-fit:contain;flex-shrink:0;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:1.05rem;color:var(--ink);font-weight:600;font-family:var(--font-display);}
.brand-text small{color:var(--muted);font-size:.72rem;}

.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav ul{display:flex;gap:30px;align-items:center;}
.main-nav a{font-weight:500;font-size:.94rem;color:var(--muted);padding:6px 0;border-bottom:1.5px solid transparent;}
.main-nav a:hover,.main-nav a.active{border-color:var(--ink);color:var(--ink);}
.nav-cta{white-space:nowrap;}
.lang-switch-item{display:flex;align-items:center;gap:6px;font-size:.82rem;}
.lang-link{font-weight:600;color:var(--muted);border-bottom:0 !important;padding:0 !important;}
.lang-link.active{color:var(--gold-500);}
.lang-sep{color:var(--border);}

.nav-toggle{
  display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px;
}
.nav-toggle span{width:22px;height:1.5px;background:var(--ink);}

/* ===== Hero ===== */
.hero{
  background:linear-gradient(160deg,var(--navy-900) 0%,var(--navy-800) 55%,var(--navy-700) 130%);color:#fff;
  padding:120px 0 100px;position:relative;overflow:hidden;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}

/* ===== Hero decoration: เส้นทางบิน (บางเบา ไม่แข่งกับตัวหนังสือ) ===== */
.hero-flightpath{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0;opacity:.6;}
.hero-flightpath svg{width:100%;height:100%;display:block;}
.hero-flightpath .flight-line{fill:none;stroke:rgba(255,255,255,.22);stroke-width:1.5;stroke-dasharray:6 10;stroke-linecap:round;}
.hero-flightpath .flight-dot{fill:var(--gold-500);}
.hero-flightpath .flight-plane{fill:var(--gold-500);}

.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--gold-400);font-size:.85rem;font-weight:600;letter-spacing:.05em;margin-bottom:22px;
}
.hero-eyebrow::before{content:"";width:22px;height:1.5px;background:var(--gold-400);}
.hero h1{color:#fff;font-size:clamp(2.4rem,4.6vw,3.75rem);margin-bottom:22px;letter-spacing:0;}
.hero p.lead{color:rgba(255,255,255,.78);font-size:1.15rem;max-width:46ch;line-height:1.7;}
.hero-actions{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:32px;margin-top:56px;flex-wrap:wrap;padding-top:32px;border-top:1px solid rgba(255,255,255,.16);}
.hero-stats div{padding:0;background:none;border:0;box-shadow:none;}
.hero-stats div strong{display:block;font-size:1.9rem;color:#fff;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-family:var(--font-display);}
.hero-stats div span{font-size:.85rem;color:rgba(255,255,255,.6);}

.hero-card{
  background:rgba(255,255,255,.06);backdrop-filter:blur(16px);border-radius:var(--radius-lg);padding:32px;color:#fff;
  border:1px solid rgba(255,255,255,.16);position:relative;box-shadow:var(--shadow-lg);
}
.hero-card h3{font-size:1.05rem;font-weight:600;color:#fff;}
.hero-card ul{margin-top:14px;}
.hero-card li{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:.92rem;color:rgba(255,255,255,.78);}
.hero-card li:last-child{border-bottom:0;}
.hero-card li::before{content:"—";color:var(--gold-400);font-weight:700;flex-shrink:0;}

/* ===== Sections ===== */
section{padding:110px 0;}
.section-head{max-width:640px;margin:0 auto 56px;text-align:center;position:relative;padding-top:30px;}
.section-head::before{
  content:"";position:absolute;top:0;left:50%;
  width:9px;height:9px;background:var(--gold-500);
  transform:translateX(-50%) rotate(45deg);
}
.section-head .eyebrow{
  color:var(--gold-500);font-weight:600;letter-spacing:.06em;font-size:.85rem;text-transform:uppercase;
}
.section-head h2{font-size:clamp(1.9rem,3.2vw,2.5rem);margin-top:10px;}
.alt{background:var(--surface);}

/* ===== Cards / grids ===== */
.grid{display:grid;gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

/* ===== Portfolio gallery + lightbox (หน้าแรก) ===== */
.gallery-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;
}
.gallery-item{
  display:block;border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;
}
.gallery-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.gallery-item{position:relative;}
.gallery-item img,.gallery-item video{width:100%;height:100%;object-fit:cover;display:block;}
.gallery-play-icon{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.4rem;background:rgba(11,37,69,.28);
}
.gallery-play-icon::before{
  content:"";position:absolute;width:44px;height:44px;border-radius:50%;background:rgba(11,37,69,.55);
}
.gallery-play-icon{padding-left:4px;}

.lightbox-overlay{
  position:fixed;inset:0;z-index:200;background:rgba(11,37,69,.92);
  display:flex;align-items:center;justify-content:center;padding:40px;
}
.lightbox-overlay[hidden]{display:none;}
.lightbox-image,.lightbox-video{max-width:min(90vw,900px);max-height:85vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.4);}
.lightbox-video[hidden],.lightbox-image[hidden]{display:none;}
.lightbox-close,.lightbox-nav{
  position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:50%;
  cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s ease;
}
.lightbox-close:hover,.lightbox-nav:hover{background:rgba(255,255,255,.25);}
.lightbox-close{top:20px;right:20px;width:44px;height:44px;font-size:1.1rem;}
.lightbox-nav{top:50%;transform:translateY(-50%);width:52px;height:52px;font-size:1.8rem;line-height:1;}
.lightbox-prev{left:16px;}
.lightbox-next{right:16px;}
@media (max-width:600px){
  .lightbox-overlay{padding:16px;}
  .lightbox-nav{width:42px;height:42px;font-size:1.4rem;}
  .lightbox-close{width:38px;height:38px;top:10px;right:10px;}
}

.check-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:11px;}
.check-list li{padding-left:28px;position:relative;font-size:.96rem;color:var(--ink);}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:-1px;color:var(--gold-500);font-weight:700;font-size:1.05rem;
}
.intro-photo img{width:100%;border-radius:var(--radius-lg);display:block;box-shadow:var(--shadow-sm);}

/* ===== Home quick-nav cards (หน้าแรก - การ์ดลิงก์ด่วน) ===== */
.quicknav-card{
  position:relative;display:block;overflow:hidden;aspect-ratio:4/3;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.quicknav-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.quicknav-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease;}
.quicknav-card:hover img{transform:scale(1.06);}
.quicknav-card-placeholder{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--navy-900),var(--navy-800));font-size:2.4rem;
}
.quicknav-card-label{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(0deg,rgba(11,37,69,.88),rgba(11,37,69,.05));
  color:#fff;font-weight:700;font-size:1rem;display:flex;align-items:center;gap:8px;
}
.quicknav-card-label::after{content:"→";color:var(--gold-400);margin-left:auto;transition:transform .25s ease;}
.quicknav-card:hover .quicknav-card-label::after{transform:translateX(4px);}

.card{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow-sm);height:100%;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--gold-400),var(--gold-500));
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.badge-popular{
  position:absolute;top:16px;right:16px;z-index:1;
  background:rgba(201,154,61,.12);color:var(--gold-500);border:1px solid rgba(201,154,61,.35);
  font-size:.72rem;font-weight:700;letter-spacing:.03em;
  padding:4px 12px;border-radius:999px;box-shadow:none;
  white-space:nowrap;text-transform:uppercase;
}
.mini-badge{
  display:inline-block;background:none;color:var(--gold-500);border:1px solid var(--gold-500);
  font-size:.66rem;font-weight:700;padding:2px 9px;border-radius:999px;margin-left:8px;vertical-align:middle;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:var(--gold-500);
}
.card:hover::before{transform:scaleX(1);}
.service-card .icon{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,rgba(201,154,61,.16),rgba(201,154,61,.05));
  border:1px solid rgba(201,154,61,.3);
  color:var(--gold-500);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:20px;
  box-shadow:none;
}
.service-card h3{font-size:1.12rem;}
.service-card .tag{
  display:inline-block;font-size:.72rem;color:var(--muted);background:none;border:1px solid var(--border);
  padding:3px 10px;border-radius:999px;margin-bottom:12px;font-weight:600;text-transform:uppercase;letter-spacing:.02em;
}
.service-card a.more{color:var(--ink);font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:4px;margin-top:10px;}
.service-card a.more:hover{color:var(--gold-500);}

.why-item{display:flex;gap:18px;align-items:flex-start;}
.why-item .num{
  flex-shrink:0;width:auto;height:auto;border-radius:0;background:none;color:var(--gold-500);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:2rem;
  box-shadow:none;font-family:var(--font-display);font-style:italic;line-height:1;
}
.why-item h4{margin-bottom:6px;font-size:1.05rem;}
.why-item p{margin:0;font-size:.92rem;}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;counter-reset:step;}
.step{position:relative;padding-top:0;border-top:1px solid var(--border);padding-top:20px;}
.step::before{
  counter-increment:step;content:"0" counter(step);
  width:auto;height:auto;border-radius:0;
  background:none;color:var(--gold-500);
  display:block;font-weight:700;margin-bottom:14px;font-size:.85rem;letter-spacing:.03em;
  box-shadow:none;
}

/* ===== Pricing ===== */
.pricing-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);}
.pricing-table th,.pricing-table td{padding:18px 22px;text-align:left;border-bottom:1px solid var(--border);}
.pricing-table thead th{
  background:none;color:var(--ink);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.03em;
  box-shadow:none;border-bottom:2px solid var(--gold-500);
}
.pricing-table tbody tr:last-child td{border-bottom:none;}
.pricing-table tbody tr{transition:background .15s ease;}
.pricing-table tbody tr:hover{background:var(--surface);}
.price{color:var(--ink);font-weight:700;white-space:nowrap;}
.price small{color:var(--muted);font-weight:400;}
.note-box{
  margin-top:28px;padding:18px 22px;background:none;border:1px solid var(--border);border-left:3px solid var(--gold-500);border-radius:0;
  color:var(--muted);font-size:.9rem;
}

/* ===== Business sale banner ===== */
.bizsale-card{
  display:flex;align-items:stretch;gap:32px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.bizsale-media{flex:1 1 320px;min-height:220px;}
.bizsale-media img{width:100%;height:100%;object-fit:cover;display:block;}
.bizsale-body{flex:1 1 360px;padding:40px;display:flex;flex-direction:column;justify-content:center;gap:14px;}
.bizsale-body h3{font-size:1.4rem;margin:0;}
.bizsale-body p{margin:0;color:var(--muted);white-space:pre-line;}
.bizsale-body .btn{align-self:flex-start;}
.bizsale-price{color:var(--gold-500);font-weight:700;}

/* ===== Business listing grid (/business-transfer.php) ===== */
.bizlist-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px;}
.bizlist-card{display:flex;flex-direction:column;gap:12px;padding:0;overflow:hidden;}
.bizlist-media{width:100%;aspect-ratio:16/10;overflow:hidden;}
.bizlist-media img{width:100%;height:100%;object-fit:cover;display:block;}
.bizlist-card h3,
.bizlist-card p,
.bizlist-card .btn{margin-left:24px;margin-right:24px;}
.bizlist-card h3{margin-top:20px;font-size:1.15rem;}
.bizlist-card .bizlist-price{margin-top:-6px;color:var(--gold-500);font-weight:700;}
.bizlist-card p{color:var(--muted);white-space:pre-line;}
.bizlist-card .btn{align-self:flex-start;margin-bottom:24px;margin-top:4px;}

/* ===== CTA band ===== */
.cta-band{
  background:linear-gradient(135deg,var(--navy-900),var(--navy-800));
  color:#fff;border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.08);
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-band h3{color:#fff;font-size:1.6rem;margin-bottom:8px;font-weight:700;}
.cta-band p{color:rgba(255,255,255,.65);margin:0;}

/* ===== About page ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.value-list li{display:flex;gap:12px;padding:12px 0;font-size:.95rem;color:var(--ink);border-bottom:1px solid var(--border);}
.value-list li:last-child{border-bottom:0;}
.value-list li::before{content:"";display:none;}

/* ===== Location / Map ===== */
.map-frame{
  position:relative;width:100%;aspect-ratio:16/7;
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid var(--border);
}
.map-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.location-info-wrap{max-width:520px;margin:40px auto 0;}
@media (max-width:720px){
  .map-frame{aspect-ratio:4/3;}
}

/* ===== Contact ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:flex-start;}
.contact-info-card{
  background:var(--navy-900);color:#fff;
  border-radius:var(--radius-lg);padding:36px;box-shadow:none;
}
.contact-info-card h3{color:#fff;font-weight:700;}
.contact-info-card ul{margin-top:20px;}
.contact-info-card li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:.92rem;}
.contact-info-card li:last-child{border-bottom:0;}

.qr-group{display:flex;flex-wrap:wrap;gap:24px;margin-top:20px;}
.contact-qr-box,.footer-qr{
  display:flex;flex-direction:column;align-items:flex-start;gap:8px;
}
.contact-qr-box img,.footer-qr img{
  width:140px;height:140px;object-fit:contain;background:#fff;border-radius:10px;padding:8px;
}
.contact-qr-box span,.footer-qr span{font-size:.82rem;color:rgba(255,255,255,.65);}

.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px;box-shadow:none;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-group{margin-bottom:20px;}
.form-group label{display:block;font-weight:600;font-size:.86rem;margin-bottom:7px;color:var(--ink);}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-family:inherit;
  font-size:.95rem;background:#fff;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--ink);
}
.form-group textarea{resize:vertical;min-height:120px;}
.form-error{color:var(--danger-text);font-size:.82rem;margin-top:4px;}

.alert{padding:14px 18px;border-radius:8px;margin-bottom:22px;font-size:.92rem;}
.alert-success{background:var(--success-bg);color:var(--success-text);border:1px solid #b7e4c7;}
.alert-error{background:var(--danger-bg);color:var(--danger-text);border:1px solid #f1b0a8;}

/* ===== Footer ===== */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.7);padding:80px 0 0;margin-top:0;border-top:1px solid rgba(201,154,61,.4);}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr;gap:48px;padding-bottom:48px;}
.footer-col h4{color:var(--gold-400);font-size:.92rem;margin-bottom:16px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;}
.footer-col p{color:rgba(255,255,255,.6);font-size:.9rem;}
.footer-col .brand-text strong{color:#fff;}
.footer-col ul li{padding:7px 0;}
.footer-col ul li a:hover{color:var(--gold-400);}
.footer-contact li{font-size:.88rem;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:.78rem;}
.footer-bottom-row{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;}
.footer-bottom-row p{margin:0;color:rgba(255,255,255,.82);}
.made-by{
  display:inline-flex;align-items:center;gap:4px;
  background:#e4dcfb;color:#5b3fd6;
  padding:4px 13px;border-radius:999px;font-size:.75rem;font-weight:500;
  white-space:nowrap;
}
.made-by strong{font-weight:700;color:#5b3fd6;}

/* ===== Floating action buttons (LINE + AI chat) ===== */
.float-stack{
  position:fixed;right:22px;bottom:22px;z-index:60;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.line-float{
  background:#06c755;color:#fff;font-weight:700;font-size:.8rem;
  width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);transition:transform .2s ease;
}
.line-float:hover{transform:translateY(-2px);}

.chat-fab-wrap{position:relative;}
.chat-fab{
  position:relative;border-radius:999px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:var(--navy-900);
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px 14px 17px;font-family:inherit;font-weight:700;
  box-shadow:var(--shadow-gold);transition:transform .2s ease,box-shadow .2s ease;
}
.chat-fab-icon{font-size:1.15rem;line-height:1;}
.chat-fab-label{font-size:.85rem;white-space:nowrap;}
.chat-fab:hover{transform:translateY(-2px);box-shadow:0 20px 44px -14px rgba(201,154,61,.55);}
.chat-fab::after{
  content:"";position:absolute;inset:-5px;border-radius:999px;border:2px solid var(--gold-400);
  opacity:0;animation:chatPulse 2.6s ease-out infinite;pointer-events:none;
}
@keyframes chatPulse{
  0%{opacity:.55;transform:scale(.94);}
  70%{opacity:0;transform:scale(1.14);}
  100%{opacity:0;transform:scale(1.14);}
}

.chat-hint{
  position:absolute;right:calc(100% + 14px);bottom:0;width:220px;
  background:var(--card);color:var(--ink);border:1px solid var(--border);border-radius:12px;
  padding:12px 28px 12px 14px;box-shadow:var(--shadow-lg);font-size:.82rem;line-height:1.5;
  animation:chatHintIn .25s ease both;
}
.chat-hint[hidden]{display:none;}
.chat-hint::after{
  content:"";position:absolute;right:-6px;bottom:16px;width:12px;height:12px;background:var(--card);
  border-right:1px solid var(--border);border-bottom:1px solid var(--border);transform:rotate(-45deg);
}
.chat-hint p{margin:0;color:var(--ink);}
.chat-hint-close{
  position:absolute;top:6px;right:6px;width:20px;height:20px;border:0;background:none;color:var(--muted);
  cursor:pointer;font-size:.7rem;display:flex;align-items:center;justify-content:center;
}
@keyframes chatHintIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
@media (max-width:480px){
  .chat-hint{right:auto;left:50%;bottom:calc(100% + 12px);transform:translateX(-50%);width:200px;}
  .chat-hint::after{right:auto;left:50%;bottom:-6px;top:auto;transform:translateX(-50%) rotate(45deg);}
}

/* ===== AI Chat panel ===== */
.chat-panel{
  position:fixed;right:22px;bottom:88px;z-index:61;
  width:360px;max-width:calc(100vw - 32px);height:min(520px,70vh);
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border);
  display:flex;flex-direction:column;overflow:hidden;
  animation:chatPop .18s ease both;
}
.chat-panel[hidden]{display:none;}
@keyframes chatPop{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

.chat-panel-header{
  background:var(--navy-900);color:#fff;
  padding:16px 18px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;
}
.chat-panel-title{display:flex;flex-direction:column;line-height:1.3;}
.chat-panel-title strong{font-size:.9rem;font-weight:600;}
.chat-panel-title span{font-size:.72rem;color:rgba(255,255,255,.65);}
.chat-panel-actions{display:flex;gap:6px;}
.chat-panel-actions button{
  width:28px;height:28px;border-radius:50%;border:0;background:rgba(255,255,255,.1);color:#fff;
  cursor:pointer;font-size:.85rem;display:flex;align-items:center;justify-content:center;
}
.chat-panel-actions button:hover{background:rgba(255,255,255,.2);}

.chat-messages{
  flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:10px;background:#fff;
}
.chat-msg{
  max-width:85%;padding:11px 15px;border-radius:12px;font-size:.87rem;line-height:1.55;white-space:pre-wrap;
  animation:chatMsgIn .15s ease both;
}
@keyframes chatMsgIn{from{opacity:0;}to{opacity:1;}}
.chat-msg.bot{align-self:flex-start;background:var(--surface);color:var(--ink);border-bottom-left-radius:4px;}
.chat-msg.user{align-self:flex-end;background:var(--navy-900);color:#fff;border-bottom-right-radius:4px;}
.chat-msg.error{background:var(--danger-bg);color:var(--danger-text);}

.chat-typing{display:flex;gap:4px;padding:0 18px 12px;flex-shrink:0;}
.chat-typing span{
  width:5px;height:5px;border-radius:50%;background:var(--muted);
  animation:chatTyping 1s infinite ease-in-out;
}
.chat-typing span:nth-child(2){animation-delay:.15s;}
.chat-typing span:nth-child(3){animation-delay:.3s;}
@keyframes chatTyping{0%,60%,100%{opacity:.3;transform:translateY(0);}30%{opacity:1;transform:translateY(-3px);}}

.chat-input-row{display:flex;gap:8px;padding:14px;border-top:1px solid var(--border);flex-shrink:0;}
.chat-input-row input{
  flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:999px;font-family:inherit;font-size:.88rem;background:#fff;
}
.chat-input-row input:focus{outline:none;border-color:var(--ink);}
.chat-input-row button{
  width:36px;height:36px;border-radius:50%;border:0;background:var(--navy-900);color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s ease;
}
.chat-input-row button:hover{background:var(--navy-800);}
.chat-disclaimer{font-size:.68rem;color:var(--muted);text-align:center;padding:0 14px 14px;margin:0;flex-shrink:0;}

/* ===== Back to top ===== */
.back-to-top{
  position:fixed;left:22px;bottom:22px;z-index:59;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--border);cursor:pointer;
  background:#fff;box-shadow:none;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-to-top:hover{border-color:var(--ink);}
.back-to-top .progress-ring{position:absolute;inset:0;width:44px;height:44px;transform:rotate(-90deg);}
.back-to-top .progress-ring-bg{fill:none;stroke:transparent;stroke-width:0;}
.back-to-top .progress-ring-fill{fill:none;stroke:var(--gold-500);stroke-width:2;stroke-linecap:round;transition:stroke-dashoffset .1s linear;}
.back-to-top .arrow{position:relative;color:var(--ink);font-size:1rem;font-weight:600;}

/* ===== Confetti (ตอนส่งฟอร์มติดต่อสำเร็จ) ===== */
.confetti-container{position:fixed;inset:0;pointer-events:none;z-index:9998;overflow:hidden;}
.confetti-piece{
  position:absolute;top:-12px;width:7px;height:12px;opacity:.9;border-radius:2px;
  animation-name:confettiFall;animation-timing-function:ease-in;animation-fill-mode:forwards;
}
@keyframes confettiFall{
  0%{transform:translateY(0) translateX(0) rotate(0);opacity:1;}
  100%{transform:translateY(100vh) translateX(var(--drift)) rotate(var(--rot));opacity:0;}
}

/* ===== Promotion popup ===== */
.popup-overlay{
  position:fixed;inset:0;z-index:5000;
  background:rgba(17,17,19,.5);
  display:flex;align-items:center;justify-content:center;padding:20px;
  animation:popupOverlayIn .2s ease both;
}
.popup-overlay[hidden]{display:none;}
@keyframes popupOverlayIn{from{opacity:0;}to{opacity:1;}}

.popup-modal{
  position:relative;width:100%;max-width:420px;background:#fff;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--border);
  animation:popupModalIn .22s ease both;
}
@keyframes popupModalIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}

.popup-image{width:100%;max-height:220px;object-fit:cover;display:block;}
.popup-body{padding:32px;text-align:center;}
.popup-body h3{font-size:1.3rem;margin-bottom:12px;}
.popup-body p{white-space:pre-line;margin-bottom:20px;}
.popup-cta{width:100%;}

.popup-close{
  position:absolute;top:14px;right:14px;z-index:1;
  width:30px;height:30px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.9);color:var(--ink);font-size:.85rem;
  display:flex;align-items:center;justify-content:center;
  transition:background .15s ease;
}
.popup-close:hover{background:#fff;}

@media (prefers-reduced-motion: reduce){
  .popup-overlay,.popup-modal{animation:none !important;}
}

/* ===== Page transition / loading animations ===== */
.page-loader{
  position:fixed;top:0;left:0;height:2px;width:0%;
  background:var(--gold-500);
  z-index:9999;transition:width .35s ease,opacity .3s ease;pointer-events:none;
}
.page-loader.is-loading{width:78%;}
.page-loader.is-done{width:100%;opacity:0;}

main{animation:pageFadeIn .4s ease both;}
@keyframes pageFadeIn{from{opacity:0;}to{opacity:1;}}

@view-transition{navigation:auto;}
::view-transition-old(root),::view-transition-new(root){animation-duration:.28s;animation-timing-function:ease;}

.main-nav a{transition:border-color .2s ease,color .2s ease;}

.js-reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease;}
.js-reveal.in-view{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion: reduce){
  main,.chat-panel,.chat-msg,.confetti-piece{animation:none !important;}
  .js-reveal{opacity:1 !important;transform:none !important;transition:none !important;}
  .page-loader{transition:none !important;}
  .hero-flightpath .flight-plane{display:none;}
  .confetti-container{display:none;}
  .chat-fab::after{display:none;}
  .chat-hint{animation:none !important;}
}

/* ===== Responsive ===== */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .about-grid{grid-template-columns:1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  section{padding:80px 0;}
}
@media (max-width:720px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;top:80px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 24px;
    border-bottom:1px solid var(--border);display:none;
  }
  .main-nav.open{display:flex;}
  .main-nav ul{flex-direction:column;gap:0;}
  .main-nav ul li a{display:block;padding:14px 0;border-bottom:1px solid var(--border);}
  .nav-cta{margin-top:14px;text-align:center;}
  .hero{padding:64px 0 56px;}
  .hero h1{font-size:2rem;}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;text-align:center;}
  .chat-panel{right:16px;bottom:82px;width:calc(100vw - 32px);height:min(480px,65vh);}
  .float-stack{right:16px;bottom:16px;}
  .hero-flightpath{display:none;}
  .back-to-top{left:16px;bottom:16px;}
  section{padding:64px 0;}
}