/* Dalat Guide — shared styles. Light, fast, mobile-first. Brand accent orange + Dalat pine green. */
:root{
  --orange:#FF6B35; --orange-d:#e85a28; --green:#2e7d5b; --ink:#1a1d21; --muted:#5b6470;
  --line:#e7e9ee; --bg:#ffffff; --soft:#f7f8fa; --shadow:0 6px 24px rgba(20,25,35,.08);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  line-height:1.7;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--orange-d);text-decoration:none}
a:hover{text-decoration:underline}

/* top nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line)}
.nav-in{max-width:960px;margin:0 auto;padding:11px 18px;display:flex;align-items:center;gap:16px}
.brand{font-weight:800;font-size:18px;color:var(--ink);white-space:nowrap}
.brand span{color:var(--orange)}
.nav-links{margin-left:auto;display:flex;gap:18px;font-size:14px;font-weight:600}
.nav-links a{color:var(--muted)}
.nav-lang{font-size:13px;font-weight:700;border:1px solid var(--line);border-radius:8px;padding:4px 9px;color:var(--muted)}
@media(max-width:560px){.nav-links{gap:12px}.nav-links .hide-sm{display:none}}

/* hero */
.hero{background:linear-gradient(135deg,#ff7a45,#ff6b35 40%,#2e7d5b);color:#fff;padding:54px 18px 46px}
.hero-in{max-width:820px;margin:0 auto}
.hero h1{font-size:34px;line-height:1.2;margin:0 0 12px;font-weight:800}
.hero p{font-size:18px;margin:0 0 22px;opacity:.96;max-width:640px}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:560px){.hero h1{font-size:27px}.hero p{font-size:16px}}

/* layout */
.wrap{max-width:760px;margin:0 auto;padding:0 18px}
main{padding:32px 0 10px}
.crumbs{font-size:13px;color:var(--muted);margin:18px 0 6px}
.crumbs a{color:var(--muted)}
article h1{font-size:31px;line-height:1.22;font-weight:800;margin:6px 0 6px}
.meta{font-size:13px;color:var(--muted);margin-bottom:22px}
article h2{font-size:23px;font-weight:800;margin:34px 0 10px;line-height:1.3}
article h3{font-size:19px;font-weight:700;margin:24px 0 8px}
article p{margin:0 0 16px}
article ul,article ol{margin:0 0 16px;padding-left:22px}
article li{margin:6px 0}
.lead{font-size:19px;color:#2b3038}
blockquote{margin:20px 0;padding:12px 18px;border-left:4px solid var(--green);background:var(--soft);border-radius:0 10px 10px 0;color:#333}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;border-radius:12px;
  padding:13px 20px;cursor:pointer;border:2px solid transparent;transition:transform .12s,box-shadow .12s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:#fff;color:var(--orange-d);border-color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-d);color:#fff}
.btn-green{background:transparent;color:var(--green);border-color:var(--green)}
.btn-green:hover{background:var(--green);color:#fff}

/* CTA funnel card */
.cta{background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--orange);
  border-radius:14px;padding:20px 20px;margin:28px 0;box-shadow:var(--shadow)}
.cta h3{margin:0 0 6px;font-size:19px}
.cta p{margin:0 0 14px;color:var(--muted);font-size:15px}
.cta .btns{display:flex;gap:10px;flex-wrap:wrap}

/* widget (live weather) */
.widget{border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:22px 0;background:#fff;box-shadow:var(--shadow)}
.widget .w-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.widget .w-t{font-weight:800;font-size:16px}
.widget .w-now{display:flex;align-items:center;gap:14px;margin-top:10px}
.widget .w-temp{font-size:38px;font-weight:800;line-height:1}
.widget .w-desc{color:var(--muted);font-size:14px}
.widget .w-days{display:flex;gap:10px;margin-top:14px;overflow-x:auto}
.widget .w-day{flex:0 0 auto;text-align:center;font-size:13px;color:var(--muted);min-width:56px}
.widget .w-day b{display:block;color:var(--ink);font-size:14px;margin-top:2px}
.widget .w-note{font-size:12px;color:var(--muted);margin-top:10px}

/* card grid (hub) */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}
@media(max-width:560px){.grid{grid-template-columns:1fr}}
.card{display:block;border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff;
  box-shadow:var(--shadow);transition:transform .12s,box-shadow .12s}
.card:hover{transform:translateY(-2px);text-decoration:none;box-shadow:0 10px 30px rgba(20,25,35,.12)}
.card .tag{font-size:12px;font-weight:700;color:var(--green);text-transform:uppercase;letter-spacing:.04em}
.card h3{margin:6px 0 6px;font-size:19px;color:var(--ink)}
.card p{margin:0;color:var(--muted);font-size:14px}
.section-t{font-size:22px;font-weight:800;margin:30px 0 4px}

/* FAQ */
.faq{margin:26px 0}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{font-weight:700;cursor:pointer;font-size:16px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"+";color:var(--orange);font-weight:800;margin-right:10px}
.faq details[open] summary:before{content:"–"}
.faq p{margin:10px 0 4px;color:#333}

/* sticky mobile CTA */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-top:1px solid var(--line)}
.sticky-cta a{display:block;text-align:center}
@media(max-width:760px){.sticky-cta{display:block}main{padding-bottom:76px}}

/* footer */
footer{background:#14181d;color:#c7ccd4;margin-top:40px;padding:34px 18px}
.foot-in{max-width:760px;margin:0 auto;font-size:14px}
.foot-in a{color:#ffb199}
.foot-in .fl{display:flex;gap:18px;flex-wrap:wrap;margin:10px 0 16px}
.foot-in .muted{color:#7c8494;font-size:12px;margin-top:10px}