/* =========================================================
   Travelmun Mockup — Shared Styles (LIGHT theme — ขาว-แดง)
   v1.0.1 — เพิ่ม mobile nav scrollable + ซ่อน brand text
   ========================================================= */

:root{
  --bg:#FFFFFF;
  --bg-2:#FAFAFA;
  --bg-3:#F5F5F5;
  --bg-4:#EEEEEE;
  --surface:#FFFFFF;
  --surface-2:#FAFAFA;
  --red:#E60028;
  --red-2:#C8001F;
  --red-3:#FF3354;
  --red-soft:rgba(230,0,40,.08);
  --red-bg:rgba(230,0,40,.05);
  --text:#1A1A1A;
  --text-soft:#4A4A4A;
  --text-mute:#707070;
  --text-mute-2:#A0A0A0;
  --text-light:#1A1A1A;
  --text-on-red:#FFFFFF;
  --line:#E8E8E8;
  --line-strong:#D0D0D0;
  --green:#06C755;
  --amber:#F59E0B;
  --radius:16px;
  --radius-sm:10px;
  --radius-pill:9999px;
  --shadow:0 12px 32px rgba(230,0,40,.18);
  --shadow-card:0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
  --shadow-card-hover:0 4px 12px rgba(0,0,0,.06), 0 12px 32px rgba(0,0,0,.10);
  --transition:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Prompt','IBM Plex Sans Thai',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:none;background:none;color:inherit}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--text);flex-shrink:0}
.brand img{width:40px;height:40px;object-fit:contain}
.brand-name{display:flex;flex-direction:column;line-height:1.05}
.brand-name span:first-child{color:var(--text);letter-spacing:.5px}
.brand-name span:last-child{font-size:10px;color:var(--text-mute);font-weight:400;letter-spacing:2px;text-transform:uppercase}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{padding:10px 14px;border-radius:var(--radius-pill);font-size:14px;font-weight:500;color:var(--text-soft);transition:.2s var(--transition)}
.nav-links a:hover{color:var(--text);background:var(--bg-3)}
.nav-links a.active{color:var(--red);background:var(--red-soft)}
.nav-cta{background:var(--red);color:var(--text-on-red);padding:10px 20px;border-radius:var(--radius-pill);font-weight:600;font-size:14px;transition:.2s var(--transition)}
.nav-cta:hover{background:var(--red-2);transform:translateY(-1px)}
.menu-toggle{display:none;width:40px;height:40px;border-radius:50%;background:var(--bg-3);align-items:center;justify-content:center}

/* BREADCRUMB */
.breadcrumb{max-width:1280px;margin:0 auto;padding:20px 24px 0;font-size:13px;color:var(--text-mute);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumb a{color:var(--text-mute);transition:.2s}
.breadcrumb a:hover{color:var(--red)}
.breadcrumb .sep{opacity:.4}
.breadcrumb .current{color:var(--text);font-weight:500}

/* PAGE HERO */
.page-hero{position:relative;padding:60px 24px 48px;overflow:hidden}
.page-hero-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 60% 50% at 30% 20%, rgba(230,0,40,.10), transparent 60%),radial-gradient(ellipse 50% 40% at 80% 80%, rgba(230,0,40,.06), transparent 60%),linear-gradient(180deg,#FFFFFF 0%,#FAFAFA 100%)}
.page-hero-grid{position:absolute;inset:0;z-index:0;background-image:linear-gradient(rgba(0,0,0,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.04) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse 70% 70% at 50% 30%,#000,transparent);-webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 30%,#000,transparent)}
.page-hero-inner{position:relative;z-index:1;max-width:1280px;margin:0 auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--line);background:var(--bg);border-radius:var(--radius-pill);font-size:12px;color:var(--text-mute);font-weight:500;margin-bottom:18px;letter-spacing:.5px}
.eyebrow .dot{width:6px;height:6px;background:#22c55e;border-radius:50%;box-shadow:0 0 8px #22c55e}
.page-title{font-size:clamp(32px,5vw,52px);font-weight:800;line-height:1.05;letter-spacing:-1px;margin-bottom:14px;color:var(--text)}
.page-title .accent{color:transparent;background:linear-gradient(135deg,var(--red) 0%,var(--red-3) 100%);-webkit-background-clip:text;background-clip:text}
.page-sub{font-size:clamp(15px,1.5vw,17px);color:var(--text-soft);max-width:640px;margin:0 auto;font-weight:400}

/* SECTIONS */
.section{padding:48px 24px;max-width:1280px;margin:0 auto}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.1;letter-spacing:-.5px;color:var(--text);display:flex;align-items:center;gap:12px}
.section-title::before{content:"";width:4px;height:28px;background:var(--red);border-radius:2px}
.section-title .accent{color:var(--red)}
.section-sub{color:var(--text-mute);font-size:15px;margin-top:8px;max-width:600px}
.section-link{color:var(--red);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:.2s var(--transition)}
.section-link:hover{gap:10px;color:var(--red-2)}

/* TAG / CHIP */
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-pill);font-size:12px;color:var(--text-soft);font-weight:500}
.tag.tag-red{background:var(--red-soft);border-color:rgba(230,0,40,.25);color:var(--red)}
.tag.tag-hot{background:var(--red);color:var(--text-on-red);border-color:var(--red);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(230,0,40,.6)}50%{box-shadow:0 0 0 8px rgba(230,0,40,0)}}
.chip{flex-shrink:0;padding:10px 18px;border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--bg);font-size:14px;font-weight:500;color:var(--text-soft);display:inline-flex;align-items:center;gap:8px;transition:.2s var(--transition);cursor:pointer}
.chip:hover{background:var(--bg-3);border-color:var(--line-strong);color:var(--text)}
.chip.active{background:var(--red);color:var(--text-on-red);border-color:var(--red);transform:translateY(-1px)}
.chip-flag{font-size:16px}

/* CARD + BUTTON */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.2s var(--transition);box-shadow:var(--shadow-card)}
.card:hover{border-color:var(--red);transform:translateY(-2px);box-shadow:var(--shadow-card-hover)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-pill);font-weight:600;font-size:14px;transition:.2s var(--transition)}
.btn-primary{background:var(--red);color:var(--text-on-red)}
.btn-primary:hover{background:var(--red-2);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--line)}
.btn-secondary:hover{background:var(--bg-3);border-color:var(--red)}
.btn-line{background:var(--green);color:#fff}
.btn-line:hover{background:#05a047}

/* FORM */
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-card)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:14px}
.form-row.single{grid-template-columns:1fr}
.field-group{display:flex;flex-direction:column;gap:6px}
.field-group label{font-size:13px;color:var(--text-soft);font-weight:500}
.field-group label .req{color:var(--red)}
.field-input{background:var(--bg);border:1px solid var(--line-strong);color:var(--text);padding:12px 14px;border-radius:10px;font-size:14px;font-family:inherit;transition:.15s;width:100%}
.field-input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
.field-input::placeholder{color:var(--text-mute-2)}
textarea.field-input{resize:vertical;min-height:90px}
.form-submit{background:var(--red);color:var(--text-on-red);padding:14px 32px;border-radius:var(--radius-pill);font-weight:600;font-size:15px;width:100%;margin-top:8px;transition:.2s var(--transition);display:flex;justify-content:center;align-items:center;gap:8px;border:none;cursor:pointer}
.form-submit:hover{background:var(--red-2);transform:translateY(-1px);box-shadow:var(--shadow)}
.form-note{font-size:12px;color:var(--text-mute);margin-top:14px;text-align:center}

/* FOOTER */
.footer{padding:60px 24px 24px;background:var(--bg-3);margin-top:48px;border-top:2px solid var(--text)}
.foot-inner{max-width:1280px;margin:0 auto}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.foot-brand{display:flex;flex-direction:column;gap:16px;max-width:360px}
.foot-brand-row{display:flex;align-items:center;gap:12px}
.foot-brand-row img{width:48px;height:48px}
.foot-brand-name{font-size:22px;font-weight:700;color:var(--text)}
.foot-text{font-size:13px;color:var(--text-soft);line-height:1.6}
.foot-license{display:inline-flex;gap:8px;font-size:12px;color:var(--text-soft);padding:8px 14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-pill);align-self:flex-start}
.foot-col h4{font-size:13px;font-weight:600;margin-bottom:16px;letter-spacing:1px;text-transform:uppercase;color:var(--text)}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:13px;color:var(--text-soft);transition:.2s}
.foot-col a:hover{color:var(--red)}
.foot-bot{padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--text-mute)}
.foot-badges{display:flex;gap:12px;align-items:center}
.foot-badges img{height:28px;opacity:.85}

/* FLOATING LINE */
.line-fab{position:fixed;bottom:24px;right:24px;z-index:40;background:var(--green);color:#fff;padding:14px 22px;border-radius:var(--radius-pill);font-weight:600;font-size:14px;display:flex;align-items:center;gap:8px;box-shadow:0 8px 32px rgba(6,199,85,.4);transition:.2s var(--transition)}
.line-fab:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 12px 40px rgba(6,199,85,.5)}

/* === RESPONSIVE === */
@media (max-width:980px){
  .foot-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  /* Mobile nav: ซ่อน brand text + scroll links แนวนอน */
  .brand-name{display:none}
  .menu-toggle{display:none}
  .nav-inner{gap:8px;padding:10px 12px}
  .brand img{width:36px;height:36px}
  .nav-links{display:flex;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;gap:2px;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 24px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 24px),transparent)}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{padding:8px 12px;font-size:13px;white-space:nowrap;flex-shrink:0}
  .nav-links .nav-cta{padding:8px 14px;font-size:13px;flex-shrink:0}
  .section{padding:40px 18px}
  .page-hero{padding:48px 18px 32px}
  .line-fab{padding:12px 18px;font-size:13px}
}
@media (max-width:480px){
  .foot-top{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}