/* Thailand4Families site styles (home page + hotel guide). Clean, quiet, Apple-like:
   one typeface, lots of white space, soft grey sections, rounded cards, one accent colour. */
:root{
  --bg:#ffffff; --bg-alt:#f5f5f7; --card:#ffffff; --card-alt:#f5f5f7;
  --text:#1d1d1f; --text-2:#6e6e73; --line:#d2d2d7; --line-soft:#e8e8ed;
  --accent:#0071e3; --accent-hover:#0077ed; --accent-soft:#e8f2fd;
  --book:#0071e3; --book-hover:#0077ed;
  --warn:#b25000; --warn-soft:#fff4e5;
  --seg:#e8e8ed; --seg-on:#ffffff;
  --nav:rgba(255,255,255,.78);
  --shadow:0 2px 12px rgba(0,0,0,.06);
  --radius:18px; --maxw:1080px; --readw:680px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#000000; --bg-alt:#111113; --card:#1c1c1e; --card-alt:#1c1c1e;
    --text:#f5f5f7; --text-2:#a1a1a6; --line:#38383a; --line-soft:#2c2c2e;
    --accent:#2997ff; --accent-hover:#47a6ff; --accent-soft:#0f2a44;
    --warn:#ffb340; --warn-soft:#2e2210;
    --seg:#2c2c2e; --seg-on:#48484a;
    --nav:rgba(22,22,23,.78);
    --shadow:none;
  }
}
:root[data-theme="dark"]{
  --bg:#000000; --bg-alt:#111113; --card:#1c1c1e; --card-alt:#1c1c1e;
  --text:#f5f5f7; --text-2:#a1a1a6; --line:#38383a; --line-soft:#2c2c2e;
  --accent:#2997ff; --accent-hover:#47a6ff; --accent-soft:#0f2a44;
  --warn:#ffb340; --warn-soft:#2e2210;
  --seg:#2c2c2e; --seg-on:#48484a;
  --nav:rgba(22,22,23,.78);
  --shadow:none;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:64px}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.52;letter-spacing:-.011em;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
@media (max-width:600px){.wrap{padding:0 16px}}
.read{max-width:var(--readw)}
h1,h2,h3{margin:0;letter-spacing:-.025em;line-height:1.08;font-weight:700}
h1{font-size:clamp(2.4rem,6.2vw,4rem)}
h2{font-size:clamp(1.8rem,4.2vw,2.6rem)}
h3{font-size:1.25rem;letter-spacing:-.015em;line-height:1.2;font-weight:600}
p{margin:.6em 0}
.muted{color:var(--text-2)}
.small{font-size:.86rem}

/* Navigation */
.nav{position:sticky;top:0;z-index:20;background:var(--nav);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line-soft)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:52px}
.brand{font-weight:600;font-size:1rem;color:var(--text);white-space:nowrap}
.brand:hover{text-decoration:none}
.nav-links{display:flex;gap:22px;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{font-size:.82rem;color:var(--text-2);white-space:nowrap}
.nav-links a:hover{color:var(--text);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--text);font-weight:600}
@media (max-width:700px){
  .nav .wrap{height:auto;flex-direction:column;align-items:flex-start;gap:6px;padding-top:10px;padding-bottom:10px}
  .nav-links{width:100%;gap:18px}
}

/* Sections */
.section{padding:72px 0}
.section.alt{background:var(--bg-alt)}
.section.tight{padding:44px 0}
@media (max-width:600px){.section{padding:52px 0}}
.eyebrow{font-size:.95rem;font-weight:600;color:var(--accent);margin:0 0 8px;letter-spacing:-.01em}
.lede{font-size:1.2rem;color:var(--text-2);line-height:1.45;max-width:36em}
.center{text-align:center}
.center .lede{margin-left:auto;margin-right:auto}

/* Hero */
.hero{padding:84px 0 56px;text-align:center}
.hero h1{max-width:14em;margin:0 auto}
.hero .lede{margin:18px auto 0}
.hero .actions{justify-content:center;margin-top:28px}
.hero.left{text-align:left}
.hero.left h1,.hero.left .lede{margin-left:0}
.hero.left .actions{justify-content:flex-start}
@media (max-width:600px){.hero{padding:56px 0 40px}}

/* Buttons */
.actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--accent);color:#fff;font-size:1rem;font-weight:500;
  padding:11px 22px;border-radius:980px;border:0;cursor:pointer;line-height:1.2;text-align:center;white-space:nowrap}
.btn:hover{background:var(--accent-hover);text-decoration:none}
.btn.small{font-size:.9rem;padding:8px 16px}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.btn.ghost:hover{background:var(--accent-soft)}
.link-more{font-size:1rem;font-weight:500}
.link-more::after{content:" ›";font-size:1.15em}

/* Human layer: byline, Ron's note, about */
.byline{font-size:.88rem;color:var(--text-2);margin:16px 0 0}
.ron-note{max-width:var(--readw);margin:22px 0 0;padding:16px 20px;border-radius:16px;background:var(--bg-alt)}
.ron-note span{display:block;font-size:.8rem;font-weight:600;color:var(--accent);margin-bottom:4px}
.ron-note p{margin:0;font-size:1.02rem;line-height:1.5}
.about-text p{font-size:1.08rem;line-height:1.6;margin:.8em 0}
.checked{color:var(--text-2)}

/* Disclosure line */
.disclose{font-size:.84rem;color:var(--text-2);max-width:var(--readw);margin:14px auto 0}
.hero.left .disclose{margin-left:0}
.disclose b{color:var(--text);font-weight:600}

/* Cards */
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid.three{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.grid.four{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:var(--card);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.section.alt .card{background:var(--card)}
.section:not(.alt) .card{background:var(--card-alt);box-shadow:none}
.card h3{margin-bottom:6px}
.card p{margin:.4em 0;color:var(--text-2)}
.card p strong{color:var(--text)}
a.card{display:block;color:inherit;transition:transform .2s ease}
a.card:hover{text-decoration:none;transform:translateY(-2px)}
.card .tag{display:inline-block;font-size:.78rem;font-weight:600;color:var(--accent);margin-bottom:8px}
.card ul{margin:.4em 0;padding-left:1.1em;color:var(--text-2)}
.card li{margin:.3em 0}
.card li strong{color:var(--text)}
.notice{background:var(--accent-soft);border-radius:var(--radius);padding:20px 24px}
.notice h3{font-size:1.05rem;margin-bottom:4px}
.notice p{margin:.35em 0}

/* Destination tiles */
.dest{min-height:200px;display:flex;flex-direction:column;justify-content:space-between;border-radius:var(--radius);padding:26px;color:#1d1d1f;transition:transform .2s ease}
.dest:hover{text-decoration:none;transform:translateY(-3px)}
.dest .dname{font-size:1.9rem;font-weight:700;letter-spacing:-.03em}
.dest .dwho{font-size:.88rem;font-weight:600;opacity:.75;margin-top:2px}
.dest p{margin:.6em 0 0;font-size:.98rem;opacity:.85}
.dest .dgo{font-weight:600;font-size:.95rem;margin-top:16px}
.dest .dgo::after{content:" ›"}
.dest.phuket{background:linear-gradient(150deg,#d9efff,#a9d6ff)}
.dest.krabi{background:linear-gradient(150deg,#dcf5e9,#a6e3c4)}
.dest.khao-lak{background:linear-gradient(150deg,#e6f0d8,#c3dea0)}
.dest.koh-samui{background:linear-gradient(150deg,#fff1d9,#ffd59e)}

/* Picker + segmented controls */
.picker{background:var(--card);border-radius:22px;padding:22px;box-shadow:var(--shadow);max-width:820px;margin:30px auto 0;text-align:left}
.section:not(.alt) .picker,.hero .picker{background:var(--bg-alt);box-shadow:none}
.picker form{display:grid;grid-template-columns:repeat(3,1fr) auto;gap:12px;align-items:end}
@media (max-width:760px){.picker form{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px;font-size:.8rem;font-weight:600;color:var(--text-2)}
.field select{appearance:none;-webkit-appearance:none;font:inherit;font-size:1rem;font-weight:400;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:11px 36px 11px 12px;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);
  background-position:calc(100% - 18px) 52%,calc(100% - 13px) 52%;background-size:5px 5px;background-repeat:no-repeat}
.filters{display:flex;flex-wrap:wrap;gap:14px 26px;align-items:flex-end;margin:28px 0 10px}
.fgroup{display:flex;flex-direction:column;gap:7px}
.flabel{font-size:.8rem;font-weight:600;color:var(--text-2)}
.seg{display:inline-flex;background:var(--seg);border-radius:10px;padding:3px;gap:2px;flex-wrap:wrap}
.seg button{font:inherit;font-size:.88rem;border:0;background:transparent;color:var(--text);padding:7px 14px;border-radius:8px;cursor:pointer;white-space:nowrap}
.seg button[aria-pressed="true"]{background:var(--seg-on);box-shadow:0 1px 3px rgba(0,0,0,.12);font-weight:600}
.fgroup select{font:inherit;font-size:.9rem;color:var(--text);background:var(--seg);border:0;border-radius:10px;padding:9px 12px}
.fcount{font-size:.86rem;color:var(--text-2);margin:4px 0 18px;display:flex;gap:14px;align-items:center}
.fcount button{font:inherit;border:0;background:none;color:var(--accent);cursor:pointer;padding:0}
.nofilters .filters,.nofilters .fcount{display:none}

/* Area cards */
.areas{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:22px}
.area{background:var(--card-alt);border-radius:16px;padding:20px}
.section.alt .area{background:var(--card)}
.area h3{font-size:1.08rem}
.area p{margin:.35em 0;font-size:.94rem;color:var(--text-2)}
.area .skip{color:var(--warn)}

/* Pills */
.pills{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 0}
.pill{font-size:.76rem;font-weight:600;padding:4px 10px;border-radius:980px;background:var(--accent-soft);color:var(--accent);white-space:nowrap}

/* Hotel cards */
.hotels{display:grid;grid-template-columns:repeat(auto-fill,minmax(420px,1fr));gap:18px}
@media (max-width:900px){.hotels{grid-template-columns:1fr}}
.hotel{background:var(--card);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.section:not(.alt) .hotel{background:var(--card-alt);box-shadow:none}
.hotel.hidden{display:none}
.hotel h3{font-size:1.3rem}
.hotel .where{margin:4px 0 0;color:var(--text-2);font-size:.92rem}
.facts{margin:0;display:grid;gap:10px}
.facts div{display:grid;grid-template-columns:110px 1fr;gap:10px}
@media (max-width:480px){.facts div{grid-template-columns:1fr;gap:2px}}
.facts dt{font-size:.82rem;font-weight:600;color:var(--text-2);padding-top:2px}
.facts dd{margin:0;font-size:.95rem}
.facts dd ul{margin:0;padding-left:1em}
.facts dd li{margin:.15em 0}
.heads-up{background:var(--warn-soft);border-radius:12px;padding:12px 14px;font-size:.92rem}
.heads-up b{color:var(--warn);font-weight:600;margin-right:4px}
.quote{border-left:3px solid var(--accent);padding:2px 0 2px 12px;font-size:.94rem}
.quote span{display:block;font-size:.8rem;color:var(--text-2);margin-top:2px}
.hotel .foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.book{display:flex;flex-direction:column;gap:8px}
.book-btn{min-height:48px;width:100%;padding:10px 20px;font-size:.95rem}
.book-btn:not(.ghost){background:var(--book);color:#fff}
.book-btn:not(.ghost):hover{background:var(--book-hover)}
.book-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.row .book-btn{margin-top:0}
.book-note{margin:0;font-size:13px;color:var(--text-2)}
.ask-group{font-size:.85rem;color:var(--text-2)}
.fo5-book{display:flex;flex-direction:column;gap:10px;margin-top:14px}
@media (min-width:600px){
  .book{flex-direction:row;flex-wrap:wrap}
  .book-btn{width:auto}
}
details.more summary{cursor:pointer;color:var(--accent);font-size:.9rem;list-style:none}
details.more summary::-webkit-details-marker{display:none}
details.more summary::after{content:" ›"}
details.more[open] summary::after{content:" ‹"}
details.more p,details.more li{font-size:.9rem;color:var(--text-2);margin:.35em 0}
details.more ul{padding-left:1.1em;margin:.4em 0}
.src a{color:var(--text-2);text-decoration:underline}
.empty{display:none;text-align:center;color:var(--text-2);padding:30px 0}
.empty.show{display:block}

/* Lists of things (arrival, beaches, activities) */
.rows{display:grid;gap:12px;margin-top:22px}
.row{background:var(--card-alt);border-radius:16px;padding:20px 22px}
.section.alt .row{background:var(--card)}
.row h3{font-size:1.06rem}
.row p{margin:.35em 0;color:var(--text-2);font-size:.95rem}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 0}
.meta span{font-size:.76rem;font-weight:500;padding:3px 9px;border-radius:980px;background:var(--seg);color:var(--text)}
.row .btn{margin-top:10px}

/* Jump nav on destination pages */
.jump{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.hero:not(.left) .jump{justify-content:center}
.jump a{font-size:.88rem;padding:7px 14px;border-radius:980px;background:var(--seg);color:var(--text)}
.jump a:hover{text-decoration:none;background:var(--line)}
.stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:22px}
.stats div{font-size:.95rem}
.stats b{display:block;font-size:.78rem;color:var(--text-2);font-weight:600}

/* Checklist */
.checklist{background:var(--card);border-radius:var(--radius);padding:8px 24px;box-shadow:var(--shadow)}
.checkgroup{padding:18px 0;border-top:1px solid var(--line-soft)}
.checkgroup:first-child{border-top:0}
.checkgroup h3{font-size:1rem;margin-bottom:8px}
.check{display:flex;gap:12px;align-items:flex-start;padding:7px 0}
.check input{appearance:none;-webkit-appearance:none;flex:none;width:22px;height:22px;border:1.5px solid var(--line);border-radius:50%;margin-top:1px;cursor:pointer;display:grid;place-content:center;background:var(--card)}
.check input:checked{background:var(--accent);border-color:var(--accent)}
.check input:checked::after{content:"";width:6px;height:11px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px)}
.check label{cursor:pointer;font-size:.98rem}
.check input:checked + label{color:var(--text-2);text-decoration:line-through;text-decoration-color:var(--line)}
.check small{display:block;color:var(--text-2);font-size:.85rem;margin-top:2px}

/* Calculator */
.calc{display:grid;grid-template-columns:1.2fr 1fr;gap:0;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
@media (max-width:760px){.calc{grid-template-columns:1fr}}
.calc-in{background:var(--card);padding:24px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.calc-in .wide{grid-column:span 3}
@media (max-width:480px){.calc-in{grid-template-columns:1fr 1fr}.calc-in .wide{grid-column:span 2}}
.calc-in input,.calc-in select{font:inherit;font-size:1rem;color:var(--text);background:var(--bg-alt);border:1px solid var(--line-soft);border-radius:12px;padding:10px 12px;width:100%}
.calc-out{background:var(--text);color:var(--bg);padding:26px;display:flex;flex-direction:column;justify-content:center;gap:6px}
.calc-out .lbl{font-size:.82rem;opacity:.7}
.calc-out .big{font-size:2.4rem;font-weight:700;letter-spacing:-.03em;line-height:1.1}
.calc-out .mid{font-size:1.3rem;font-weight:600}
.calc-out p{font-size:.82rem;opacity:.7;margin:10px 0 0}

/* Simple table */
.table{width:100%;border-collapse:collapse;margin-top:18px;font-size:.95rem}
.table th{text-align:left;font-size:.8rem;font-weight:600;color:var(--text-2);padding:10px 12px;border-bottom:1px solid var(--line)}
.table td{padding:14px 12px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.table td:first-child{font-weight:600;white-space:nowrap}
@media (max-width:600px){
  .table thead{display:none}
  .table,.table tbody,.table tr,.table td{display:block;width:100%}
  .table tr{padding:12px 0;border-bottom:1px solid var(--line-soft)}
  .table td{border:0;padding:2px 0}
}

/* Group band + footer */
.band{background:var(--text);color:var(--bg);text-align:center}
.band h2{color:var(--bg)}
.band p{color:var(--bg);opacity:.75;max-width:34em;margin-left:auto;margin-right:auto}
.band .btn{background:var(--bg);color:var(--text)}
.band .btn:hover{opacity:.9}
.band .btn.ghost{background:transparent;color:var(--bg);border-color:var(--bg)}
.footer{background:var(--bg-alt);color:var(--text-2);font-size:.8rem;padding:28px 0 40px;border-top:1px solid var(--line-soft)}
.footer p{margin:.5em 0;max-width:60em}
.footer a{color:var(--text-2);text-decoration:underline}

#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(16px);background:var(--text);color:var(--bg);font-size:.9rem;padding:10px 18px;border-radius:980px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:50}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}