/* ==========================================================================
   LU TRAVEL HA GIANG — lutravel.com.vn
   Palette (from the brief):  FF6503  F28A00  FFEBCF  C3D380  94AA51  + dark 3A0504
   Fonts:  headings  Poppins SemiBold
           sub-heads SVN-Gilroy XBold
           body      SVN-Gilroy
   ========================================================================== */

/* ---------- SVN-Gilroy ----------
   One family, three weights. The .otf originals live alongside these as a
   fallback; woff2 is ~40 KB vs ~98 KB per weight, which is what keeps the page
   "nhẹ, lướt nhanh". XBold is weight 800, so every sub-heading rule just asks
   for font-weight:800 rather than naming a separate family.               */
@font-face{
  font-family:"SVN-Gilroy";
  src:url("../fonts/SVN-Gilroy-Regular.woff2") format("woff2"),
      url("../fonts/SVN-Gilroy%20Regular.otf") format("opentype");
  font-weight:400; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"SVN-Gilroy";
  src:url("../fonts/SVN-Gilroy-Medium.woff2") format("woff2"),
      url("../fonts/SVN-Gilroy%20Medium.otf") format("opentype");
  font-weight:500; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"SVN-Gilroy";
  src:url("../fonts/SVN-Gilroy-XBold.woff2") format("woff2"),
      url("../fonts/SVN-Gilroy%20XBold.otf") format("opentype");
  font-weight:800; font-style:normal; font-display:swap;
}

/* ---------- tokens ---------- */
:root{
  --orange:#FF6503;
  --amber:#F28A00;
  --cream:#FFEBCF;
  --lime:#C3D380;
  --olive:#94AA51;
  --dark:#3A0504;          /* palette dark */
  --forest:#17250F;        /* deep green for the "Why" band, per the reference */
  --ink:#1B1512;
  --ink-soft:#5A4A41;
  --paper:#FFFBF3;
  --line:rgba(58,5,4,.12);

  --h-font:"Poppins",system-ui,sans-serif;                 /* main headings */
  --sub-font:"SVN-Gilroy","Poppins",system-ui,sans-serif;  /* sub headings — always @800 (XBold) */
  --body-font:"SVN-Gilroy","Poppins",system-ui,sans-serif; /* body */

  --wrap:1220px;
  --r:0px;                 /* square corners — client asked for bo vuông */
  --r-soft:4px;
  --r-bar:16px;            /* hero booking bar only — set to 0 for the brief's square look */
  --ease:cubic-bezier(.22,.61,.36,1);
  --hdr-h:84px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font:400 17px/1.7 var(--body-font);
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.sr,.skip:not(:focus){position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip:focus{position:fixed;top:12px;left:12px;z-index:999;background:var(--orange);color:#fff;padding:10px 16px}

/* ---------- layout ---------- */
.wrap{width:min(100% - 48px,var(--wrap));margin-inline:auto}
.wrap--narrow{width:min(100% - 48px,880px)}
.section{padding:clamp(72px,8vw,132px) 0;position:relative}
.center{text-align:center}

/* ---------- type ---------- */
.h2{
  font:600 clamp(38px,4.6vw,62px)/1.02 var(--h-font);
  letter-spacing:-.02em;margin:0 0 .5em;text-wrap:balance;
}
.h2--light{color:var(--cream)}
.h2--serif{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.01em}
.h3{font:600 clamp(24px,2.6vw,34px)/1.15 var(--h-font);letter-spacing:-.015em;margin:.1em 0 .5em}
.eyebrow{
  font:800 12px/1 var(--sub-font);letter-spacing:.22em;text-transform:uppercase;
  color:var(--amber);margin:0 0 14px;
}
.eyebrow--light{color:var(--lime)}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--ink-soft);max-width:52ch}
.lead--light{color:rgba(255,235,207,.78);margin-inline:auto}
.link{font-family:var(--sub-font);font-weight:800;font-size:14px;letter-spacing:.02em;color:var(--orange)}
.link:hover{color:var(--amber)}

/* ---------- buttons ---------- */
.btn{
  --bg:var(--orange);--fg:#fff;--bd:transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:14px 26px;border-radius:var(--r);border:2px solid var(--bd);
  background:var(--bg);color:var(--fg);
  font:800 14px/1 var(--sub-font);letter-spacing:.09em;text-transform:uppercase;
  transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(255,101,3,.65)}
.btn:active{transform:translateY(0)}
.btn--primary{--bg:var(--orange)}
.btn--primary:hover{--bg:var(--amber)}
.btn--dark{--bg:var(--dark)}
.btn--dark:hover{--bg:#5a0f0c;box-shadow:0 10px 24px -10px rgba(58,5,4,.5)}
.btn--outline{--bg:transparent;--fg:var(--ink);--bd:rgba(27,21,18,.28)}
.btn--outline:hover{--bg:var(--ink);--fg:var(--cream);--bd:var(--ink);box-shadow:none}
.btn--ghost{--bg:transparent;--fg:var(--cream);--bd:rgba(255,235,207,.4)}
.btn--ghost:hover{--bg:var(--cream);--fg:var(--dark);--bd:var(--cream);box-shadow:none}
.btn--lg{padding:17px 34px;font-size:15px}
.btn--sm{padding:10px 18px;font-size:12px}
.btn--block{width:100%}

/* ==========================================================================
   HEADER — floating, blends over the hero then solidifies
   ========================================================================== */
.hdr{position:fixed;inset:0 0 auto;z-index:120;padding:14px 0;transition:padding .3s var(--ease)}
/* The frosted glass lives on a pseudo-element, NOT on .hdr__in itself:
   backdrop-filter turns an element into the containing block for its
   position:fixed descendants, which would break the off-canvas mobile nav. */
.hdr__in{
  position:relative;
  width:min(100% - 40px,1400px);margin-inline:auto;
  display:flex;align-items:center;gap:22px;
  padding:8px 10px 8px 16px;
}
.hdr__in::before{
  content:"";position:absolute;inset:0;z-index:-1;border-radius:var(--r);
  background:rgba(26,14,10,.30);
  backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);
  border:1px solid rgba(255,235,207,.14);
  transition:background .35s var(--ease),border-color .35s,box-shadow .35s;
}
.hdr.is-stuck{padding:8px 0}
.hdr.is-stuck .hdr__in::before{
  background:rgba(28,12,8,.88);
  border-color:rgba(255,235,207,.1);
  box-shadow:0 12px 34px -18px rgba(0,0,0,.7);
}
.brand{flex:0 0 auto;display:block}
.brand img{width:auto;height:60px;filter:drop-shadow(0 2px 6px rgba(0,0,0,.4))}

.nav{margin-left:auto}
.nav__list{display:flex;align-items:center;gap:4px}
.nav__list > li > a,.nav__btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:11px 13px;border-radius:var(--r);
  font:800 12.5px/1 var(--sub-font);letter-spacing:.09em;text-transform:uppercase;
  color:var(--cream);opacity:.9;transition:opacity .2s,background .2s,color .2s;
}
.nav__list > li > a:hover,.nav__btn:hover,.nav__btn[aria-expanded=true]{
  opacity:1;background:rgba(255,235,207,.12)
}
.caret{width:10px;height:7px;transition:transform .25s var(--ease)}
.nav__btn[aria-expanded=true] .caret{transform:rotate(180deg)}

/* mega dropdown — two-column master/detail, as on bongbackpackerhostel.com:
   a category rail on the left drives the card panel on the right */
.has-mega{position:relative}
.mega{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translate(-50%,8px);
  width:min(92vw,940px);padding:26px;
  background:rgba(20,10,7,.96);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,235,207,.14);border-radius:var(--r);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.85);
  display:grid;grid-template-columns:238px 1fr;gap:26px;
  opacity:0;transition:opacity .25s var(--ease),transform .25s var(--ease);
}
/* author display:grid above beats the UA sheet's [hidden]{display:none} */
.mega[hidden]{display:none}
.mega.is-open{opacity:1;transform:translate(-50%,0)}
.mega__label{
  font:800 11px/1 var(--sub-font);letter-spacing:.24em;text-transform:uppercase;
  color:var(--orange);margin:0 0 14px;
}
.mega__cats{border-right:1px solid rgba(255,235,207,.12);padding-right:26px}
.mega__catlist{display:grid;gap:2px}
.mcat{
  display:block;width:100%;text-align:left;padding:13px 16px;border-radius:var(--r);
  font:600 16px/1.25 var(--h-font);color:var(--cream);opacity:.82;
  transition:background .22s,opacity .22s,color .22s;
}
.mcat:hover{opacity:1;background:rgba(255,235,207,.08)}
.mcat.is-on{background:var(--orange);color:#fff;opacity:1}
.mega__all{
  display:block;margin-top:14px;padding:13px 16px;
  border-top:1px solid rgba(255,235,207,.12);
  font:600 16px/1.25 var(--h-font);color:var(--cream);opacity:.82;transition:opacity .2s,color .2s;
}
.mega__all:hover{opacity:1;color:var(--amber)}
.mega__panel[hidden]{display:none}
.mega__grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mcard{
  display:block;padding:15px 17px;border-radius:var(--r);
  border:1px solid rgba(255,235,207,.14);
  transition:background .22s,border-color .22s,transform .22s var(--ease);
}
.mcard:hover{background:rgba(255,101,3,.14);border-color:var(--orange);transform:translateY(-2px)}
.mcard--wide{grid-column:1/-1}
.mcard__t{display:block;font:600 16px/1.25 var(--h-font);color:var(--cream)}
.mcard__d{display:block;margin-top:5px;font-size:14px;line-height:1.5;color:rgba(255,235,207,.6)}

.hdr__cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.wa{
  display:grid;place-items:center;width:46px;height:46px;border-radius:50%;
  background:#25D366;color:#fff;transition:transform .25s var(--ease),box-shadow .25s;
}
.wa svg{width:24px;height:24px}
.wa:hover{transform:scale(1.08);box-shadow:0 8px 20px -8px rgba(37,211,102,.8)}
.burger{display:none;width:46px;height:46px;padding:12px;flex-direction:column;justify-content:space-between}
.burger span{display:block;height:2px;background:var(--cream);transition:transform .3s var(--ease),opacity .2s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;
  padding-top:calc(var(--hdr-h) + 40px);overflow:hidden;background:var(--dark)}
.hero__media{position:absolute;inset:0}
.hero__img{width:100%;height:100%;object-fit:cover;animation:heroDrift 26s var(--ease) infinite alternate}
@keyframes heroDrift{from{transform:scale(1.04)}to{transform:scale(1.14) translateY(-1.5%)}}
.hero__scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(to top,rgba(16,10,6,.90) 0%,rgba(16,10,6,.42) 38%,rgba(16,10,6,.16) 66%,rgba(16,10,6,.40) 100%),
    radial-gradient(85% 65% at 16% 74%,rgba(20,10,6,.62),transparent 72%);
}
.hero__body{position:relative;padding-bottom:clamp(40px,6vw,74px)}
.hero__title{
  font:600 clamp(46px,7.4vw,104px)/.96 var(--h-font);letter-spacing:-.035em;
  color:var(--cream);margin:0 0 20px;text-transform:uppercase;
  text-shadow:0 4px 40px rgba(0,0,0,.45);
}
.hero__sub{max-width:54ch;font-size:clamp(16px,1.5vw,19px);color:rgba(255,235,207,.82);margin-bottom:30px}
.hero__btns{display:flex;flex-wrap:wrap;gap:12px}

/* booking bar — square corners, lifted off the bottom edge, inside the container */
.hero__barwrap{position:relative;padding-bottom:clamp(34px,5vw,72px)}
.bookbar{
  display:grid;grid-template-columns:repeat(3,1fr) 82px;align-items:stretch;
  background:rgba(255,251,243,.97);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-radius:var(--r-bar);
  box-shadow:0 28px 60px -26px rgba(20,8,4,.6);
  border:1px solid rgba(58,5,4,.08);
  overflow:hidden;                       /* clips the cells to the rounded shape */
}
.bookbar__field{
  display:flex;align-items:center;gap:14px;padding:18px 22px;
  border-right:1px solid var(--line);min-width:0;
}
.bookbar__ico{
  flex:0 0 auto;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
  background:var(--cream);color:var(--orange);
}
.bookbar__ico svg{width:20px;height:20px}
.bookbar__field label{display:block;min-width:0;flex:1}
.bookbar__lbl{
  display:block;font:800 11px/1 var(--sub-font);letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-soft);margin-bottom:5px;
}
.bookbar select,.bookbar input{
  width:100%;border:0;background:none;padding:0;
  font:600 16px/1.3 var(--h-font);color:var(--ink);cursor:pointer;
  appearance:none;-webkit-appearance:none;
}
.bookbar select{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%23FF6503' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") right center/12px 8px no-repeat;padding-right:20px}
.bookbar__go{
  display:grid;place-items:center;background:var(--orange);color:#fff;
  transition:background .25s,transform .25s var(--ease);
}
.bookbar__go svg{width:26px;height:26px}
.bookbar__go:hover{background:var(--amber)}
.bookbar__go:active{transform:scale(.96)}

/* ==========================================================================
   MOMENTS & MEMORIES
   ========================================================================== */
/* overflow:clip — the coverflow throws cards well past the column edge */
.moments{background:linear-gradient(180deg,var(--paper) 0%,#FFF4E4 55%,var(--cream) 100%);
  overflow:hidden;padding-bottom:0}
.moments__in{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,70px);align-items:center}
.moments__copy .h2{margin-bottom:.35em}
.tagline{font:800 18px/1 var(--sub-font);color:var(--orange);letter-spacing:.02em;margin:6px 0 26px}

/* TikTok coverflow */
.cover{position:relative;padding:10px 0 54px}
.cover__track{
  display:flex;align-items:center;justify-content:center;gap:0;
  height:clamp(380px,44vw,520px);perspective:1400px;
}
.clip{
  position:absolute;width:clamp(200px,17vw,248px);aspect-ratio:9/16;
  border-radius:var(--r-soft);overflow:hidden;background:var(--dark);
  box-shadow:0 26px 54px -22px rgba(20,8,4,.55);
  transition:transform .6s var(--ease),opacity .6s var(--ease),filter .6s var(--ease);
  transform-style:preserve-3d;
}
.clip img{width:100%;height:100%;object-fit:cover}
.clip[data-pos="0"]{transform:translateX(0) scale(1.14);z-index:5;opacity:1;filter:none}
.clip[data-pos="-1"]{transform:translateX(-88%) rotateY(24deg) scale(.9);z-index:4;opacity:.62;filter:blur(2px)}
.clip[data-pos="1"]{transform:translateX(88%) rotateY(-24deg) scale(.9);z-index:4;opacity:.62;filter:blur(2px)}
.clip[data-pos="-2"]{transform:translateX(-160%) rotateY(30deg) scale(.76);z-index:3;opacity:.3;filter:blur(4px)}
.clip[data-pos="2"]{transform:translateX(160%) rotateY(-30deg) scale(.76);z-index:3;opacity:.3;filter:blur(4px)}
.clip[data-pos="hide"]{transform:scale(.6);opacity:0;pointer-events:none;z-index:1}
.clip__meta{
  position:absolute;inset:auto 0 0;padding:44px 14px 14px;
  background:linear-gradient(to top,rgba(12,6,3,.92),transparent);
  color:#fff;font-size:12.5px;line-height:1.45;
}
.clip__meta b{display:block;font-family:var(--sub-font);font-weight:800;color:var(--lime);margin-bottom:3px}
.clip__play{
  position:absolute;inset:0;margin:auto;width:56px;height:56px;border-radius:50%;
  background:rgba(255,101,3,.92);opacity:0;transition:opacity .3s,transform .3s var(--ease);
}
.clip__play::after{content:"";position:absolute;inset:0;margin:auto;width:0;height:0;
  border-left:15px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent;transform:translateX(2px)}
.clip[data-pos="0"]:hover .clip__play{opacity:1;transform:scale(1.06)}

.cover__nav,.flow__nav{
  position:absolute;top:50%;translate:0 -50%;z-index:10;
  display:grid;place-items:center;width:46px;height:46px;border-radius:50%;
  background:rgba(255,251,243,.94);color:var(--dark);
  box-shadow:0 8px 22px -10px rgba(20,8,4,.5);
  transition:background .2s,transform .2s var(--ease);
}
.cover__nav svg,.flow__nav svg{width:20px;height:20px}
.cover__nav:hover,.flow__nav:hover{background:var(--orange);color:#fff;transform:translateY(-50%) scale(1.06)}
.cover__nav--prev,.flow__nav--prev{left:0}
.cover__nav--next,.flow__nav--next{right:0}

.cover__dots,.flow__dots{display:flex;justify-content:center;gap:8px;margin-top:8px}
/* the visible dot is a pseudo-element so the button itself can be a proper
   32x44 tap target without the dot growing to match */
.cover__dots button,.flow__dots button{
  width:44px;height:44px;display:grid;place-items:center;background:none;
}
.cover__dots button::before,.flow__dots button::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:rgba(58,5,4,.22);transition:all .3s var(--ease);
}
.cover__dots button.is-on::before,.flow__dots button.is-on::before{
  width:26px;border-radius:99px;background:var(--orange);
}
.flow__dots button::before{background:rgba(255,235,207,.3)}
.flow__dots button.is-on::before{background:var(--orange)}

/* View us on: */
/* full-bleed dark green band, as in the reference image — it also carries the
   eye straight into the green "Why" section that follows */
.viewus{
  margin-top:clamp(44px,5vw,64px);text-align:center;
  padding:clamp(34px,4vw,50px) 24px clamp(38px,4.4vw,56px);
  background:var(--forest);
}
.viewus__t{font:800 15px/1 var(--sub-font);letter-spacing:.1em;color:var(--cream);margin:0 0 20px}
.viewus__list{display:flex;justify-content:center;gap:14px}
.soc{
  display:grid;place-items:center;width:52px;height:52px;border-radius:50%;color:#fff;
  transition:transform .25s var(--ease),box-shadow .25s;
}
.soc svg{width:26px;height:26px}
.soc:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 12px 26px -12px rgba(20,8,4,.55)}
.soc--ta{background:#34E0A1;color:#0a3d2b}
.soc--ig{background:linear-gradient(45deg,#F9A03C,#F77737,#E1306C,#C13584,#833AB4)}
.soc--fb{background:#1877F2}
.soc--tt{background:#111;color:#fff}

/* ==========================================================================
   WHY TRAVELERS CHOOSE US  (honghaotravel layout, brand dark + orange)
   ========================================================================== */
.why{background:var(--forest);color:var(--cream);overflow:hidden}
/* soft blend down from the cream section above */

.why::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(70% 50% at 85% 10%,rgba(242,138,0,.20),transparent 70%),
    radial-gradient(55% 45% at 4% 92%,rgba(195,211,128,.16),transparent 70%);
}
.why > .wrap{position:relative}
/* honghaotravel centres the eyebrow and the arrow, then puts the title hard
   left above the two columns — "Bố cục như ảnh trên" */
.why__head{text-align:center;margin-bottom:clamp(26px,3vw,40px)}
.why__arrow{
  display:grid;place-items:center;width:46px;height:46px;margin:0 auto;
  border:2px solid var(--orange);border-radius:50%;color:var(--orange);
  animation:bob 2.4s var(--ease) infinite;
}
.why__arrow svg{width:20px;height:20px}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}

/* upper block: copy left, cloud image right — the honghaotravel composition */
.why__intro{
  display:grid;grid-template-columns:1fr 1.18fr;gap:clamp(24px,4vw,56px);
  align-items:center;margin-bottom:clamp(46px,6vw,86px);
}
.why__copy .h2{margin-bottom:.4em}
.why__lede{font-size:clamp(16px,1.5vw,18px);line-height:1.75;color:rgba(255,235,207,.72);
  max-width:50ch;margin-bottom:24px}

/* short claims between the intro and the buttons, as in the reference */
.why__ticks{display:grid;gap:11px;margin:0 0 30px}
.why__ticks li{
  position:relative;padding-left:30px;
  font:800 15.5px/1.4 var(--sub-font);color:var(--cream);
}
.why__ticks li::before{
  content:"";position:absolute;left:2px;top:.32em;width:15px;height:9px;
  border-left:2.4px solid var(--lime);border-bottom:2.4px solid var(--lime);
  transform:rotate(-45deg);
}
.why__btns{display:flex;flex-wrap:wrap;gap:12px}

/* The cloud image bleeds to the viewport edge and is masked with overlapping
   radial gradients so the silhouette reads as cloud rather than a soft orb. */
.why__art{
  position:relative;margin:0;
  margin-right:calc(-1 * max(0px, (100vw - 1220px) / 2) - 24px);
}
.why__art.reveal{opacity:1;transform:none;transition:none}
.why__art img{
  width:100%;aspect-ratio:5/4;object-fit:cover;
  filter:saturate(1.14) contrast(1.08);
  -webkit-mask-image:
    radial-gradient(40% 44% at 44% 54%,#000 52%,transparent 100%),
    radial-gradient(32% 36% at 64% 40%,#000 48%,transparent 100%),
    radial-gradient(34% 32% at 28% 42%,#000 48%,transparent 100%),
    radial-gradient(32% 38% at 74% 66%,#000 48%,transparent 100%),
    radial-gradient(30% 32% at 46% 76%,#000 48%,transparent 100%);
  mask-image:
    radial-gradient(40% 44% at 44% 54%,#000 52%,transparent 100%),
    radial-gradient(32% 36% at 64% 40%,#000 48%,transparent 100%),
    radial-gradient(34% 32% at 28% 42%,#000 48%,transparent 100%),
    radial-gradient(32% 38% at 74% 66%,#000 48%,transparent 100%),
    radial-gradient(30% 32% at 46% 76%,#000 48%,transparent 100%);
  -webkit-mask-composite:source-over;mask-composite:add;
  opacity:0;transform:scale(1.1) translateY(26px);
  transition:opacity 1.1s var(--ease),transform 1.3s var(--ease),filter 1.1s var(--ease);
  will-change:transform,opacity;
}
.why__art.is-in img{opacity:1;transform:none}

/* the five points sit on their own white band, per the design */
.why{padding-bottom:0}
.why__points{
  position:relative;background:#fff;color:var(--ink);
  padding:clamp(50px,6vw,84px) 0 clamp(54px,6.5vw,92px);
  margin-top:clamp(48px,6vw,88px);
}
.why__list{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,40px) clamp(30px,4vw,64px)}
.feat{display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start}
.feat__ico{
  display:grid;place-items:center;width:56px;height:56px;
  border:1.5px solid var(--line);border-radius:var(--r);color:var(--olive);
  transition:border-color .3s,color .3s,background .3s;
}
.feat__ico svg{width:30px;height:30px}
.feat:hover .feat__ico{border-color:var(--orange);color:var(--orange);background:rgba(255,101,3,.07)}
.feat__t{font:800 19px/1.3 var(--sub-font);margin:6px 0 8px;color:var(--ink)}
.feat__d{margin:0;font-size:15.5px;line-height:1.68;color:var(--ink-soft)}

/* ==========================================================================
   BEST TRIPS FOR YOU
   ========================================================================== */
/* paper section with a short, controlled blend out of the green band above */
.trips{background:var(--paper);overflow:hidden}
/* …and down into the dark Destination band below */
.trips::after{
  content:"";position:absolute;inset:auto 0 0;height:88px;pointer-events:none;
  background:linear-gradient(to bottom,rgba(58,5,4,0),var(--dark));
}
.trips > .wrap{position:relative}
.trips__head{margin-bottom:clamp(34px,4vw,54px)}
/* both columns fill the same row height and their flexible child takes up the
   slack, so neither side is left with dead space when the other is taller */
.trips__grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(28px,3.6vw,52px);
  align-items:stretch}
.trips__left{display:flex;flex-direction:column;gap:22px}
.trips__left .promo{flex:1;display:flex;flex-direction:column;justify-content:center}
.trips__right{display:flex;flex-direction:column}

/* interactive map */
.map{background:#fbf7ec;border:1px solid var(--line);border-radius:var(--r);padding:20px 20px 16px}
.map__hint{
  font:800 11.5px/1.4 var(--sub-font);letter-spacing:.12em;text-transform:uppercase;
  color:var(--amber);margin:0 0 10px;
}
.map__stage{position:relative}
.map__svg{width:100%;height:auto}
/* --len is measured from the real path by main.js; the fallback keeps the route
   visible if JS never runs */
.map__route{animation:draw 2.6s var(--ease) forwards}
.map__route.is-armed{stroke-dasharray:var(--len);stroke-dashoffset:var(--len)}
@keyframes draw{to{stroke-dashoffset:0}}
.pin{cursor:pointer}
.pin__hit{fill:transparent;stroke:none}       /* 24-unit tap target around every pin */
.pin__dotc{fill:var(--orange);stroke:#fff;stroke-width:3;transition:transform .25s var(--ease),fill .2s;transform-origin:center;transform-box:fill-box}
.pin .pin__dot{fill:#fff}
.pin__num{display:none}                        /* shown instead of labels on mobile */
.pin text{
  font:800 13px/1 var(--sub-font);fill:#3d2f28;text-anchor:middle;
  paint-order:stroke;stroke:#fbf7ec;stroke-width:4px;stroke-linejoin:round;pointer-events:none;
}
.pin--r text{text-anchor:start}
.pin--l text{text-anchor:end}
.pin:hover .pin__dotc,.pin:focus .pin__dotc{fill:var(--dark);transform:scale(1.22)}
.pin.is-on .pin__dotc{fill:var(--dark);transform:scale(1.28)}
.pin--start .pin__dotc,.pin--flag .pin__dotc{fill:var(--dark)}
.pin--start:hover .pin__dotc,.pin--flag:hover .pin__dotc,.pin--start.is-on .pin__dotc,.pin--flag.is-on .pin__dotc{fill:var(--orange)}

.thumb{
  position:absolute;z-index:6;width:min(58%,250px);margin:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:0 24px 48px -20px rgba(20,8,4,.55);
  overflow:hidden;opacity:0;transform:translateY(-8px) scale(.97);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.thumb.is-on{opacity:1;transform:none}
/* the preview parks in whichever corner is furthest from the pin you tapped,
   so it never sits on top of the stop you are looking at */
.thumb--tl{top:8px;left:8px}
.thumb--tr{top:8px;right:8px}
.thumb--bl{bottom:8px;left:8px}
.thumb--br{bottom:8px;right:8px}
.thumb img{width:100%;aspect-ratio:3/2;object-fit:cover}
.thumb figcaption{padding:10px 12px 12px}
.thumb figcaption b{display:block;font:800 14px/1.25 var(--sub-font);color:var(--ink)}
.thumb figcaption span{display:block;margin-top:3px;font-size:12.5px;line-height:1.5;color:var(--ink-soft)}
.thumb__x{
  position:absolute;top:6px;right:6px;z-index:2;width:26px;height:26px;border-radius:50%;
  background:rgba(20,8,4,.62);color:#fff;font-size:19px;line-height:1;display:grid;place-items:center;
}
.thumb__x:hover{background:var(--orange)}
.map__pickup{margin:14px 0 0;font-size:13px;color:var(--ink-soft)}
.map__pickup b{font-family:var(--sub-font);font-weight:800;color:var(--ink)}

/* promo box */
.promo{background:var(--lime);color:#22300c;padding:clamp(22px,2.6vw,32px);border-radius:var(--r);position:relative;overflow:hidden}
.promo::after{
  content:"";position:absolute;inset:auto -30px -60px auto;width:180px;height:180px;border-radius:50%;
  background:rgba(255,101,3,.18);
}
.promo__badge{
  position:relative;display:inline-block;margin:0 0 12px;padding:6px 12px;background:var(--orange);color:#fff;
  font:800 11px/1 var(--sub-font);letter-spacing:.18em;text-transform:uppercase;border-radius:var(--r);
}
.promo__t{position:relative;font:600 clamp(21px,2.1vw,28px)/1.2 var(--h-font);letter-spacing:-.015em;margin:0 0 12px}
.promo p{position:relative;font-size:15px;line-height:1.65;color:#2f4212}
.promo .btn{position:relative;margin-top:6px}

/* tour tabs */
.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:20px}
/* the brief puts the selector UNDER the tour cards ("Bên dưới khung tour sẽ là
   các lựa chọn"), so it needs a label to make clear what it controls */
.tabs--below{margin:0}
.tabs__hint{
  margin:22px 0 12px;font:800 11.5px/1 var(--sub-font);letter-spacing:.16em;
  text-transform:uppercase;color:var(--amber);display:flex;align-items:center;gap:10px;
}
.tabs__hint::after{content:"";flex:1;height:1px;background:var(--line)}
.tab{
  padding:13px 14px;border:2px solid rgba(58,5,4,.16);border-radius:var(--r);
  font:800 12px/1.25 var(--sub-font);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft);
  transition:all .25s var(--ease);text-align:center;
}
.tab:hover{border-color:var(--orange);color:var(--orange)}
.tab.is-on{background:var(--orange);border-color:var(--orange);color:#fff}
.tabpanel{display:grid;gap:20px;flex:1;grid-auto-rows:1fr}
.tabpanel[hidden]{display:none}

/* tour card */
.tour{position:relative;border-radius:var(--r);overflow:hidden;min-height:370px;display:flex;
  align-items:flex-end;background:var(--dark);isolation:isolate}
.tour__bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;
  transition:transform .8s var(--ease);
}
.tour:hover .tour__bg{transform:scale(1.06)}
.tour::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(to top,rgba(10,6,3,.97) 4%,rgba(10,6,3,.9) 46%,rgba(10,6,3,.7) 78%,rgba(10,6,3,.4) 100%);
}
.tour__pill{
  position:absolute;top:16px;right:16px;display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r);
  background:rgba(255,251,243,.9);color:var(--dark);
  font:800 12px/1 var(--sub-font);letter-spacing:.06em;
}
.tour__pill svg{width:14px;height:14px;color:var(--orange)}
.tour__flag{
  position:absolute;top:16px;left:16px;padding:8px 14px;border-radius:var(--r);
  background:var(--orange);color:#fff;font:800 11px/1 var(--sub-font);
  letter-spacing:.16em;text-transform:uppercase;
}
.tour__body{position:relative;padding:clamp(20px,2.4vw,30px);color:var(--cream);width:100%}
.tour__t{font:600 clamp(20px,2vw,27px)/1.2 var(--h-font);letter-spacing:-.015em;margin:0 0 12px;
  text-shadow:0 2px 18px rgba(0,0,0,.55)}
.tour__lede{font-size:15px;color:rgba(255,235,207,.78);max-width:52ch;margin-bottom:14px}
/* each row carries its own icon, as in the honghaotravel card the brief points at */
.specs{display:grid;gap:9px;margin-bottom:20px}
.specs li{display:flex;align-items:flex-start;gap:11px;font-size:14.5px;color:rgba(255,235,207,.82)}
.specs li > svg{width:19px;height:19px;flex:0 0 auto;margin-top:2px;color:var(--lime);opacity:.9}
.specs b{font-family:var(--sub-font);font-weight:800;color:var(--lime);margin-right:.35em}
.tour__foot{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap}
.price{margin:0;text-align:right;line-height:1}
.price span{display:block;font:800 11px/1 var(--sub-font);letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,235,207,.65);margin-bottom:6px}
.price b{font:600 clamp(30px,3.2vw,44px)/1 var(--h-font);letter-spacing:-.03em;color:#fff}

/* ==========================================================================
   DESTINATION — 3D coverflow
   ========================================================================== */
.dest{background:var(--dark);color:var(--cream);overflow:hidden}
.dest::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 45% at 50% 8%,rgba(242,138,0,.18),transparent 70%);
  pointer-events:none;
}
/* fade the maroon up into the cream FAQ band below */
.dest::after{
  content:"";position:absolute;inset:auto 0 0;height:120px;pointer-events:none;
  background:linear-gradient(to top,var(--cream),rgba(255,235,207,0));
  opacity:.18;
}
.dest__head{position:relative;text-align:center;margin-bottom:clamp(30px,4vw,48px)}
.flow{position:relative;width:min(100% - 48px,1320px);margin-inline:auto}
.flow__stage{
  position:relative;height:clamp(440px,52vw,580px);
  display:flex;align-items:center;justify-content:center;perspective:1600px;
}
.dcard{
  position:absolute;width:clamp(260px,25vw,360px);height:clamp(390px,46vw,510px);
  border-radius:var(--r);overflow:hidden;background:#160804;
  box-shadow:0 34px 70px -28px rgba(0,0,0,.8);
  transition:transform .7s var(--ease),opacity .7s var(--ease),filter .7s var(--ease);
  transform-style:preserve-3d;
}
.dcard > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.dcard__cap{
  position:absolute;inset:auto 0 0;padding:26px 22px 24px;
  background:linear-gradient(to top,rgba(8,4,2,.92) 12%,rgba(8,4,2,.6) 55%,transparent);
  color:#fff;
}
.dcard__cap h3{font:600 clamp(21px,2vw,27px)/1.15 var(--h-font);letter-spacing:-.02em;margin:0 0 8px}
.dcard__cap p{font-size:14px;line-height:1.6;color:rgba(255,255,255,.82);margin:0 0 14px;
  max-height:0;opacity:0;overflow:hidden;transition:max-height .55s var(--ease),opacity .45s,margin .45s}
.dcard__cap .btn{opacity:0;transform:translateY(8px);transition:opacity .45s .06s,transform .45s .06s var(--ease);pointer-events:none}
.dcard[data-pos="0"]{transform:translateX(0) scale(1);z-index:6;opacity:1}
.dcard[data-pos="0"] .dcard__cap p{max-height:8em;opacity:1;margin-bottom:14px}
.dcard[data-pos="0"] .dcard__cap .btn{opacity:1;transform:none;pointer-events:auto}
.dcard[data-pos="-1"]{transform:translateX(-78%) rotateY(30deg) scale(.86);z-index:5;opacity:.72;filter:brightness(.7)}
.dcard[data-pos="1"]{transform:translateX(78%) rotateY(-30deg) scale(.86);z-index:5;opacity:.72;filter:brightness(.7)}
.dcard[data-pos="-2"]{transform:translateX(-142%) rotateY(36deg) scale(.72);z-index:4;opacity:.4;filter:brightness(.5)}
.dcard[data-pos="2"]{transform:translateX(142%) rotateY(-36deg) scale(.72);z-index:4;opacity:.4;filter:brightness(.5)}
.dcard[data-pos="hide"]{transform:scale(.6);opacity:0;pointer-events:none;z-index:1}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq{background:var(--cream)}
.faq .h2{margin-bottom:clamp(30px,3.4vw,46px)}
.acc{display:grid;gap:10px}
.acc__item{border-radius:var(--r);background:rgba(58,5,4,.04);transition:background .35s var(--ease)}
.acc__item.is-open{background:var(--dark)}
.acc__q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;
  padding:24px 26px;text-align:left;
  font:800 clamp(17px,1.7vw,21px)/1.35 var(--sub-font);color:var(--ink);
  transition:color .3s;
}
.acc__item.is-open .acc__q{color:var(--cream)}
.acc__ico{
  flex:0 0 auto;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;
  border:1.5px solid rgba(58,5,4,.2);color:var(--ink);
  transition:transform .35s var(--ease),border-color .3s,color .3s,background .3s;
  transform:rotate(180deg);
}
.acc__ico svg{width:20px;height:20px}
.acc__item.is-open .acc__ico{transform:rotate(0);border-color:rgba(255,235,207,.4);color:var(--cream)}
.acc__q:hover .acc__ico{border-color:var(--orange);color:var(--orange)}
.acc__a{height:0;overflow:hidden;transition:height .4s var(--ease)}
.acc__a p{margin:0;padding:0 26px 26px;font-size:16px;line-height:1.7;color:rgba(255,235,207,.82);max-width:70ch}
.faq__ask{margin:clamp(28px,3vw,40px) 0 0;text-align:center;font-size:clamp(18px,2vw,24px);color:var(--ink-soft)}
.faq__ask a{font-family:var(--sub-font);font-weight:800;color:var(--orange);
  border-bottom:2px solid transparent;transition:border-color .25s}
.faq__ask a:hover{border-color:var(--orange)}

/* ==========================================================================
   BLOG
   ========================================================================== */
.blog{background:#1B1512;color:var(--cream)}
.blog__head{margin-bottom:clamp(36px,4vw,56px)}
.blog__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.4vw,32px)}
.post__media{position:relative;display:block;border-radius:var(--r);overflow:hidden;margin-bottom:18px}
.post__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .7s var(--ease)}
.post:hover .post__media img{transform:scale(1.05)}
.post__tag{
  position:absolute;top:14px;left:14px;padding:7px 13px;border-radius:var(--r);
  background:var(--orange);color:#fff;font:800 11px/1 var(--sub-font);letter-spacing:.1em;
}
.post__meta{font-size:13px;color:rgba(255,235,207,.5);margin:0 0 10px}
.post__t{font:800 clamp(18px,1.8vw,22px)/1.32 var(--sub-font);margin:0 0 10px}
.post__t a{transition:color .25s}
.post__t a:hover{color:var(--amber)}
.post__x{font-size:15px;line-height:1.65;color:rgba(255,235,207,.66);margin-bottom:12px}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.ft{background:#120C0A;color:rgba(255,235,207,.8);padding:clamp(56px,6vw,88px) 0 40px;
  border-top:1px solid rgba(255,235,207,.08)}
.ft__grid{display:grid;grid-template-columns:.9fr 1.1fr .9fr 1fr;gap:clamp(28px,3.4vw,48px)}
.ft__brand img{height:96px;width:auto;margin-bottom:14px}
.ft__name{font:800 17px/1.2 var(--sub-font);color:var(--cream);margin:0 0 16px}
.ft__soc{display:flex;gap:9px;margin-bottom:18px}
.ft__soc a{
  display:grid;place-items:center;width:38px;height:38px;border-radius:var(--r);
  border:1px solid rgba(255,235,207,.22);color:var(--cream);
  transition:all .25s var(--ease);
}
.ft__soc svg{width:19px;height:19px}
.ft__soc a:hover{background:var(--orange);border-color:var(--orange);color:#fff;transform:translateY(-3px)}
.ft__rights{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,235,207,.42);margin:0}
.ft__h{font:800 14.5px/1.4 var(--sub-font);letter-spacing:.04em;color:var(--cream);margin:0 0 14px}
.ft__h--sp{margin-top:26px}
.ft__p{font-size:13.5px;line-height:1.65;color:rgba(255,235,207,.6)}
.ft__info{display:grid;gap:10px;font-size:14.5px}
.ft__info span{display:block;font:800 11.5px/1 var(--sub-font);letter-spacing:.14em;text-transform:uppercase;
  color:var(--amber);margin-bottom:3px}
.ft__info a:hover{color:var(--orange)}
.ft__links{display:grid;gap:9px;font-size:14.5px}
.ft__links a{display:inline-block;transition:color .2s,transform .2s var(--ease)}
.ft__links a:hover{color:var(--orange);transform:translateX(3px)}
.ft__links em{font-style:normal;color:var(--lime);font-size:12.5px}
.ft__links--sp{margin-top:22px}
.ft__creator{margin:26px 0 0;font-size:14px;color:rgba(255,235,207,.6)}
.ft__creator a{font-family:var(--sub-font);font-weight:800;color:#25D366}
.ft__creator a:hover{text-decoration:underline}
.ft__form{display:grid;gap:10px}
.ft__form input{
  width:100%;padding:14px 16px;border-radius:var(--r);
  background:rgba(255,235,207,.06);border:1px solid rgba(255,235,207,.16);color:var(--cream);
  transition:border-color .25s,background .25s;
}
.ft__form input::placeholder{color:rgba(255,235,207,.42)}
.ft__form input:focus{border-color:var(--orange);background:rgba(255,235,207,.1);outline:none}
.ft__note{margin:2px 0 0;font-size:13px;color:var(--lime);min-height:1.2em}

/* ==========================================================================
   FLOATING RAIL
   ========================================================================== */
.rail{position:fixed;right:16px;bottom:22px;z-index:110;display:grid;gap:10px;justify-items:center}
.rail__btn{
  display:grid;place-items:center;width:52px;height:52px;border-radius:50%;
  color:#fff;box-shadow:0 10px 26px -10px rgba(20,8,4,.6);
  transition:transform .25s var(--ease),background .25s;
}
.rail__btn svg{width:24px;height:24px}
.rail__btn:hover{transform:scale(1.08)}
.rail__btn--book{background:var(--orange);font:800 10.5px/1.15 var(--sub-font);letter-spacing:.06em;text-transform:uppercase}
.rail__btn--book:hover{background:var(--amber)}
.rail__btn--wa{background:#25D366}
.rail__btn--top{background:var(--dark);opacity:0;pointer-events:none;transition:opacity .3s,transform .25s var(--ease)}
.rail__btn--top.is-on{opacity:1;pointer-events:auto}

/* ==========================================================================
   TIKTOK LIGHTBOX
   The iframe is built by JS on click, so nothing third-party loads until a
   visitor actually asks for it — the page stays "nhẹ, lướt nhanh".
   ========================================================================== */
.lb{position:fixed;inset:0;z-index:210;display:grid;place-items:center;padding:20px}
.lb[hidden]{display:none}
.lb__scrim{position:absolute;inset:0;background:rgba(10,5,2,.86);backdrop-filter:blur(8px);
  animation:fade .3s var(--ease)}
.lb__box{
  position:relative;display:grid;gap:14px;justify-items:center;
  width:min(100%,380px);animation:pop .38s var(--ease);
}
.lb__stage{
  width:100%;aspect-ratio:9/16;max-height:74vh;border-radius:var(--r);overflow:hidden;
  background:#120806;display:grid;place-items:center;
}
.lb__stage iframe{width:100%;height:100%;border:0;display:block}
.lb__stage img{width:100%;height:100%;object-fit:cover}
.lb__cap{margin:0;text-align:center;color:var(--cream);font-size:14.5px;line-height:1.5;max-width:34ch}
.lb__cap b{display:block;font-family:var(--sub-font);font-weight:800;color:var(--lime);margin-bottom:4px}
.lb__x{
  position:absolute;top:-46px;right:0;width:38px;height:38px;border-radius:50%;
  background:rgba(255,235,207,.14);color:var(--cream);font-size:24px;line-height:1;
  display:grid;place-items:center;transition:background .2s;
}
.lb__x:hover{background:var(--orange);color:#fff}
@media (max-width:520px){.lb__x{top:-42px}}

/* ==========================================================================
   BOOKING MODAL
   ========================================================================== */
.modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px}
.modal[hidden]{display:none}
.modal__scrim{position:absolute;inset:0;background:rgba(14,7,3,.72);backdrop-filter:blur(6px);
  animation:fade .3s var(--ease)}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal__box{
  position:relative;width:min(100%,720px);max-height:92vh;overflow:auto;
  background:var(--paper);border-radius:var(--r);padding:clamp(26px,3.4vw,44px);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.7);
  animation:pop .38s var(--ease);
}
@keyframes pop{from{opacity:0;transform:translateY(18px) scale(.985)}to{opacity:1;transform:none}}
.modal__x{position:absolute;top:14px;right:16px;width:38px;height:38px;border-radius:50%;
  font-size:26px;line-height:1;display:grid;place-items:center;color:var(--ink-soft);transition:all .2s}
.modal__x:hover{background:var(--dark);color:var(--cream)}
.modal__lede{color:var(--ink-soft);font-size:15.5px;max-width:56ch;margin-bottom:26px}
.bform{display:grid;gap:14px}
.bform__row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{display:grid;gap:6px}
.fld > span{font:800 11.5px/1 var(--sub-font);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.fld input,.fld select,.fld textarea{
  width:100%;padding:13px 15px;border-radius:var(--r);
  background:#fff;border:1.5px solid rgba(58,5,4,.16);
  transition:border-color .22s,box-shadow .22s;
}
.fld input:focus,.fld select:focus,.fld textarea:focus{
  border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,101,3,.14);outline:none
}
/* :user-invalid, not :invalid — an untouched empty required field should not
   already be shouting at the visitor in red */
.fld input:user-invalid,.fld select:user-invalid,.fld textarea:user-invalid{border-color:#c0392b}
.pay{border:1.5px solid rgba(58,5,4,.14);border-radius:var(--r);padding:16px 18px;margin:8px 0 4px}
.pay legend{font:800 11.5px/1 var(--sub-font);letter-spacing:.16em;text-transform:uppercase;color:var(--amber);padding:0 6px}
.radio{display:flex;gap:12px;align-items:flex-start;padding:9px 0;cursor:pointer}
.radio input{margin-top:4px;accent-color:var(--orange);width:18px;height:18px;flex:0 0 auto}
.radio b{display:block;font:800 15px/1.3 var(--sub-font)}
.radio i{display:block;font-style:normal;font-size:13.5px;color:var(--ink-soft);margin-top:2px}
.bform__msg{margin:0;font-size:14.5px;font-weight:600;min-height:1.3em;color:var(--olive)}
.bform__msg.is-err{color:#c0392b}
.bform__fine{margin:0;font-size:12.5px;color:var(--ink-soft)}
.bform__fine a{color:var(--orange);text-decoration:underline}

/* ==========================================================================
   REVEAL — the "blend into each other" scroll motion
   ========================================================================== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal:nth-child(2){transition-delay:.06s}
.reveal:nth-child(3){transition-delay:.12s}
.reveal:nth-child(4){transition-delay:.18s}
.reveal:nth-child(5){transition-delay:.24s}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1180px){
  .nav__list > li > a,.nav__btn{padding:10px 9px;font-size:11.5px}
  .brand img{height:52px}
}
@media (max-width:1024px){
  :root{--hdr-h:74px}
  .burger{display:flex}
  .nav{
    position:fixed;inset:0 0 0 auto;width:min(88vw,380px);margin:0;
    background:rgba(18,10,7,.98);backdrop-filter:blur(20px);
    padding:100px 24px 40px;overflow:auto;
    transform:translateX(100%);transition:transform .4s var(--ease);
  }
  .nav.is-open{transform:none}
  .nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .nav__list > li > a,.nav__btn{width:100%;justify-content:space-between;padding:15px 4px;font-size:14px}
  /* no room for a master/detail rail on a phone: show every category stacked */
  .mega{position:static;width:auto;transform:none;padding:6px 0 14px;background:none;
    border:0;box-shadow:none;opacity:1;grid-template-columns:1fr;gap:0}
  .mega.is-open{transform:none}
  .mega__grid{grid-template-columns:1fr}
  .mega__cats{border-right:0;padding-right:0;order:2}   /* "All Tours" belongs last */
  .mega__panels{order:1}
  .mega__catlist{display:none}
  .mega__cats .mega__label{display:none}                /* the rail it labelled is gone */
  .mega__panel[hidden]{display:block}
  .mega__panel + .mega__panel{margin-top:18px}
  .mega__all{margin-top:14px;padding:14px 0 0;border-top:1px solid rgba(255,235,207,.12)}
  /* .nav leaves the flow when it becomes the off-canvas panel, so its
     margin-left:auto no longer pushes the CTAs to the right edge */
  .hdr__cta{margin-left:auto;position:relative;z-index:2}
  .hdr__cta > .btn{display:none}
  .nav__book{display:block!important;margin-top:20px}

  .moments__in,.why__intro,.why__list,.trips__grid{grid-template-columns:1fr}
  .why__art{max-width:520px;margin:0 auto}
  .why__intro{gap:26px}
  .why__ticks li{font-size:15px}
  .blog__grid{grid-template-columns:1fr 1fr}
  .ft__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap,.wrap--narrow,.flow{width:calc(100% - 32px)}
  .hero{min-height:92svh}
  .bookbar{grid-template-columns:1fr;padding-bottom:0}
  .bookbar__field{border-right:0;border-bottom:1px solid var(--line);padding:14px 18px}
  .bookbar__go{height:60px}
  .hero__btns .btn{flex:1 1 auto}
  .cover__nav--prev{left:-6px}
  .cover__nav--next{right:-6px}
  .clip{width:clamp(170px,46vw,210px)}
  .cover{padding-bottom:22px}
  .viewus{margin-top:34px}
  .clip[data-pos="-2"],.clip[data-pos="2"]{opacity:0;pointer-events:none}
  .dcard[data-pos="-2"],.dcard[data-pos="2"]{opacity:0;pointer-events:none}
  .dcard[data-pos="-1"]{transform:translateX(-62%) rotateY(28deg) scale(.8)}
  .dcard[data-pos="1"]{transform:translateX(62%) rotateY(-28deg) scale(.8)}
  .feat{grid-template-columns:44px 1fr;gap:14px}
  .feat__ico{width:44px;height:44px}
  .feat__ico svg{width:24px;height:24px}
  .blog__grid,.ft__grid,.bform__row{grid-template-columns:1fr}
  .thumb{position:static;width:100%;margin-top:14px;box-shadow:none;transform:none}
  .thumb[hidden]{display:none}
  /* the third tour label cannot survive a 3-up grid at this width */
  .tabs{grid-template-columns:1fr}
  .tour{min-height:auto}
  .tour__body{padding-top:62px}          /* clear the duration pill */
  .tour__foot{flex-direction:column;align-items:stretch}
  .price{text-align:left}
  .rail{right:12px;bottom:14px}
  .rail__btn{width:46px;height:46px}
  .acc__q{padding:18px 18px;gap:12px}
  .acc__a p{padding:0 18px 20px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;
    transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
}

/* ==========================================================================
   MOBILE (≤760px)
   The brief only covered "II. Phiên bản máy tính", so this layer is designed
   rather than merely squeezed: a persistent booking bar, a map that works with
   a thumb, and tap targets that clear 44px.
   ========================================================================== */

/* ---------- sticky action bar ---------- */
.mbar{
  display:none;position:fixed;inset:auto 0 0;z-index:130;
  align-items:center;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  background:rgba(24,12,8,.96);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid rgba(255,235,207,.16);
  transform:translateY(110%);transition:transform .35s var(--ease);
}
.mbar.is-up{transform:none}
.mbar__info{flex:1;min-width:0;line-height:1.2}
.mbar__info b{display:block;font:600 19px/1 var(--h-font);color:#fff;letter-spacing:-.02em}
.mbar__info span{
  display:block;margin-top:4px;font:800 10.5px/1 var(--sub-font);
  letter-spacing:.12em;text-transform:uppercase;color:rgba(255,235,207,.6);
}
.mbar__wa{
  flex:0 0 auto;display:grid;place-items:center;width:50px;height:50px;border-radius:var(--r);
  background:#25D366;color:#fff;
}
.mbar__wa svg{width:25px;height:25px}
.mbar .btn{flex:0 0 auto;padding:16px 22px}

/* ---------- map: numbered pins + a real list ---------- */
/* list-style:none — the rows carry their own 01–12 badges, so the <ol> markers
   would number everything twice */
.mapstops{display:none;grid-template-columns:1fr 1fr;gap:6px;margin:16px 0 0;
  list-style:none;padding:0}
.mapstop{
  display:flex;align-items:center;gap:10px;width:100%;min-height:46px;padding:8px 12px;
  border:1px solid var(--line);border-radius:var(--r);text-align:left;
  font:500 13.5px/1.25 var(--body-font);color:var(--ink);
  transition:background .2s,border-color .2s,color .2s;
}
.mapstop b{
  flex:0 0 auto;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;
  background:var(--cream);color:var(--orange);font:800 11px/1 var(--sub-font);
}
.mapstop.is-on{background:var(--orange);border-color:var(--orange);color:#fff}
.mapstop.is-on b{background:rgba(255,255,255,.9);color:var(--orange)}

@media (max-width:760px){
  /* the sticky bar replaces the floating rail, which sat on top of the copy */
  .rail{display:none}
  .mbar{display:flex}
  body{padding-bottom:78px}

  /* 12 text labels cannot be legible at this width — number the pins instead */
  .pin text{display:none}
  .pin text.pin__num{                 /* must out-specify .pin text above */
    display:block;font:800 15px/1 var(--sub-font);fill:#fff;
    text-anchor:middle;dominant-baseline:central;pointer-events:none;
  }
  .pin__dotc{r:17}
  .pin--start .pin__dotc,.pin--flag .pin__dotc{r:19}
  /* 27 is the largest radius that keeps neighbouring hit areas from overlapping
     (closest pair is 55 viewBox units apart) — ~34px on a 390px screen. That is
     under the 44px guideline, which is exactly why the stop list below exists. */
  .pin__hit{r:27}
  .pin .pin__dot{display:none}
  .mapstops{display:grid}
  .map{padding:16px 14px 14px}
  .map__hint{font-size:11px;letter-spacing:.1em}

  /* tap targets */
  /* padding, not inline-flex: making an <a> a flex container drops the
     whitespace text node, which was gluing "4 DAYS 3 NIGHTS" to "(best seller)" */
  .ft__links a,.ft__info a,.ft__creator a,.faq__ask a,.link{
    display:block;padding-block:12px}
  /* the tap area absorbs the gap instead of adding to it, so the list keeps the
     tight editorial rhythm it has on desktop */
  /* logo beside the wordmark instead of above it — the stacked version cost
     ~180px of a footer that is already long once the columns unstack */
  .ft__brand{display:grid;grid-template-columns:auto 1fr;gap:0 18px;align-items:center}
  .ft__brand img{height:74px;margin:0;grid-row:span 2}
  .ft__name{margin:0 0 10px;align-self:end}
  .ft__soc{margin:0;align-self:start}
  .ft__rights{grid-column:1/-1;margin-top:18px}
  .ft__links{gap:0}
  .ft__links li + li{border-top:1px solid rgba(255,235,207,.07)}
  .ft__links--sp{margin-top:14px;border-top:1px solid rgba(255,235,207,.07)}
  .ft__h--sp{margin-top:20px}
  /* the whole field row focuses the control, so make the label fill it */
  .bookbar__field label{display:flex;flex-direction:column;justify-content:center;min-height:48px}
  .ft__soc a{width:44px;height:44px}
  .crumb a,.crumb span{min-height:34px;display:inline-flex;align-items:center}
  .btn--sm{min-height:44px}
  .bookbar select,.bookbar input{min-height:26px;padding-block:4px}
  .bookbar__field{padding:12px 18px}

  /* booking modal becomes a full-height sheet */
  .modal{padding:0}
  .modal__box{width:100%;max-height:100svh;height:100svh;border-radius:0;padding:26px 20px calc(26px + env(safe-area-inset-bottom))}
  .modal__x{top:10px;right:10px}
}