/* ===========================================================================
   ALQAFILA AMNA LIMITED — design system
   Chinese-first typography, English secondary.
   =========================================================================== */

:root{
  /* palette */
  --ink:#0B0E13;
  --ink-2:#141922;
  --ink-3:#1E2530;
  --paper:#FFFFFF;
  --sand:#F6F4F0;
  --sand-2:#EFEBE4;
  --red:#C8322F;
  --red-2:#E04B44;
  --red-soft:rgba(200,50,47,.10);
  --gold:#C6A15B;
  --muted:#6C7480;
  --line:rgba(11,14,19,.12);
  --line-light:rgba(255,255,255,.16);

  /* type */
  --ff-zh:'Noto Sans SC',system-ui,sans-serif;
  --ff-en:'Manrope',system-ui,sans-serif;
  --ff-body:var(--ff-zh),var(--ff-en);
  --ff-display:var(--ff-zh),var(--ff-en);

  /* metrics */
  --wrap:1240px;
  --gutter:1.5rem;
  --header-h:88px;
  --header-h-stuck:66px;
  --radius:14px;
  --ease:cubic-bezier(.16,1,.3,1);
}

/* the Latin face leads when the visitor picks English */
html[lang="en"]{
  --ff-body:var(--ff-en),var(--ff-zh);
  --ff-display:var(--ff-en),var(--ff-zh);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{
  scroll-behavior:smooth;-webkit-text-size-adjust:100%;
  overflow-x:hidden;max-width:100%;scroll-padding-top:var(--header-h-stuck);
}
/* Note: the horizontal guard lives on <html> only. Putting overflow on <body>
   turns it into a scroll container, which stops position:sticky on the header
   from sticking to the viewport. */
body{
  font-family:var(--ff-body);background:var(--paper);color:var(--ink);
  line-height:1.8;max-width:100%;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--ff-display);line-height:1.3;font-weight:800;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img,svg,video,iframe{max-width:100%}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:4px}
::selection{background:var(--red);color:#fff}

.wrap{width:min(100% - (var(--gutter) * 2),var(--wrap));margin-inline:auto}
/* overflow-x:clip contains the sideways reveal transforms without turning the
   section into a scroll container — overflow:hidden here would break the
   sticky header the same way it did on <body>. */
.sec{padding:clamp(64px,9vw,120px) 0;overflow-x:clip}
.sec--sand{background:var(--sand)}
.sec--ink{background:var(--ink);color:#fff}

/* ---------------------------------------------------------------- headings */
.head{max-width:680px;margin-bottom:clamp(36px,5vw,56px)}
.head--center{margin-inline:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:10px;color:var(--red);
  font-weight:700;font-size:.9rem;letter-spacing:.04em;margin-bottom:14px;
}
.kicker::before{content:"";width:24px;height:2px;background:var(--red);flex:none}
.head--center .kicker{justify-content:center}
.sec--ink .kicker{color:var(--gold)}
.sec--ink .kicker::before{background:var(--gold)}
.head h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
.head p{color:var(--muted);margin-top:14px;font-size:1.02rem}
.sec--ink .head p{color:rgba(255,255,255,.66)}

/* ---------------------------------------------------------------- buttons */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border:0;border-radius:8px;cursor:pointer;overflow:hidden;isolation:isolate;
  font-family:var(--ff-display);font-weight:700;font-size:.98rem;white-space:nowrap;
  transition:transform .3s var(--ease),background .25s ease,color .25s ease,box-shadow .25s ease;
}
.btn svg{width:17px;height:17px;flex:none;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn::before{
  content:"";position:absolute;inset-block:0;left:-120%;width:55%;z-index:-1;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
  transform:skewX(-18deg);transition:left .65s ease;
}
.btn:hover::before{left:130%}
.btn:active{transform:scale(.98)}

.btn-red{background:var(--red);color:#fff;box-shadow:0 12px 28px -16px rgba(200,50,47,.9)}
.btn-red:hover{background:var(--red-2);transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.34)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1.5px #fff;background:rgba(255,255,255,.08)}
.btn-line{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-line:hover{box-shadow:inset 0 0 0 1.5px var(--ink);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:.88rem}

/* ================================================================== TOP BAR
   Sits above the header and scrolls away with the page.
   ========================================================================= */
.topbar{
  position:relative;z-index:60;background:var(--ink);color:rgba(255,255,255,.76);
  font-size:.84rem;transition:opacity .4s ease;
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:42px;flex-wrap:wrap}
.tb-left{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.tb-left span{display:inline-flex;align-items:center;gap:7px}
.tb-left svg{width:14px;height:14px;color:var(--gold);flex:none}
.tb-left a:hover{color:#fff}
.tb-right{display:flex;align-items:center;gap:8px}

/* language switch */
.lang{display:flex;align-items:center;background:rgba(255,255,255,.09);border-radius:999px;padding:3px}
.lang a{
  padding:4px 13px;border-radius:999px;font-size:.8rem;font-weight:700;
  color:rgba(255,255,255,.7);transition:background .25s ease,color .25s ease;
}
.lang a.on{background:var(--red);color:#fff}
.lang a:not(.on):hover{color:#fff}

.tb-link{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:6px;
  font-weight:600;transition:background .25s ease,color .25s ease;
}
.tb-link svg{width:14px;height:14px}
.tb-link:hover{background:rgba(255,255,255,.1);color:#fff}
.tb-link--accent{background:var(--red);color:#fff}
.tb-link--accent:hover{background:var(--red-2);color:#fff}

/* =================================================================== HEADER
   At scroll 0 the header has no surface of its own: it sits directly on the
   hero image and reads as part of it. Past the threshold it lifts into a
   floating bar with its own background, and the palette flips to dark-on-light.
   ========================================================================= */
.hdr{
  position:sticky;top:0;z-index:80;
  transition:transform .45s var(--ease),padding .35s var(--ease);
  will-change:transform;
}
.hdr-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:var(--header-h);padding-inline:0;border-radius:0;
  background:transparent;border:1px solid transparent;
  transition:height .4s var(--ease),background .4s ease,box-shadow .4s ease,
             padding .4s var(--ease),border-color .4s ease,backdrop-filter .4s ease;
}

/* floating state */
.hdr.stuck{padding-top:12px}
.hdr.stuck .hdr-inner{
  height:var(--header-h-stuck);padding-inline:22px;border-radius:999px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  backdrop-filter:saturate(180%) blur(18px);
  border-color:var(--line);
  box-shadow:0 18px 40px -26px rgba(11,14,19,.45);
}
/* hide the bar when scrolling down, bring it back on the way up */
.hdr.hide{transform:translateY(calc(-100% - 20px))}

/* brand */
/* The brand must be allowed to shrink: with flex:none a long Chinese company
   name pushes the burger past the right edge on a 320px screen. */
.brand{display:flex;align-items:center;gap:12px;min-width:0;flex:1 1 auto}
.brand-mark{width:42px;height:42px;flex:none;transition:transform .4s var(--ease)}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.05)}
.brand-txt{display:flex;flex-direction:column;min-width:0;line-height:1.2;overflow:hidden}
.brand-zh,.brand-en{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-zh{font-family:var(--ff-display);font-weight:800;font-size:1.06rem}
.brand-en{
  font-family:var(--ff-en);font-size:.6rem;letter-spacing:.2em;font-weight:700;
  color:var(--red);
}

/* nav links — light while over the hero, dark once the bar is solid */
.nav{display:none;align-items:center;gap:2px}
.nav a{
  position:relative;padding:10px 15px;border-radius:7px;font-weight:600;font-size:.96rem;
  color:rgba(255,255,255,.88);transition:color .3s ease;
}
.nav a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;
  background:var(--red);transform:scaleX(0);transform-origin:left;
  transition:transform .35s var(--ease);
}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.nav a:hover,.nav a.active{color:#fff}

.hdr-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav{flex:none}
.hdr-cta{display:none}

/* colour flip once the header is floating */
.hdr.stuck .brand-zh{color:var(--ink)}
.hdr.stuck .nav a{color:var(--ink-2)}
.hdr.stuck .nav a:hover,.hdr.stuck .nav a.active{color:var(--red)}
.hdr.stuck .burger i{background:var(--ink)}

/* burger */
.burger{
  width:44px;height:44px;display:grid;place-items:center;border:0;background:transparent;
  cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:8px;
}
.burger span{display:grid;gap:5px;width:22px}
.burger i{
  display:block;height:2px;background:#fff;border-radius:2px;
  transition:transform .4s var(--ease),opacity .25s ease,width .3s ease;
}
.burger i:nth-child(2){width:70%;margin-inline-start:auto}
.burger.on i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.on i:nth-child(2){opacity:0;transform:translateX(12px)}
.burger.on i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =================================================================== DRAWER */
.scrim{
  position:fixed;inset:0;z-index:90;background:rgba(6,9,14,.6);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .4s ease,visibility .4s;
}
.scrim.on{opacity:1;visibility:visible}
.drawer{
  position:fixed;inset-block:0;right:0;z-index:95;
  width:min(86vw,330px);max-width:100%;
  background:var(--ink);color:rgba(255,255,255,.8);
  padding:22px 20px calc(28px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;
  overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;
  transform:translateX(112%);visibility:hidden;pointer-events:none;
  transition:transform .5s var(--ease),visibility .5s;
  box-shadow:-30px 0 70px rgba(0,0,0,.5);
}
.drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}
.drawer-top{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:18px;border-bottom:1px solid var(--line-light);
}
.drawer-top .brand-zh{color:#fff}
.drawer-close{
  position:relative;width:42px;height:42px;flex:none;border-radius:50%;cursor:pointer;
  border:1.5px solid rgba(255,255,255,.26);background:rgba(255,255,255,.07);color:#fff;
  font-size:0;transition:background .3s ease,transform .35s var(--ease),border-color .3s ease;
}
.drawer-close::before,.drawer-close::after{
  content:"";position:absolute;top:50%;left:50%;width:16px;height:2px;border-radius:2px;
  background:currentColor;
}
.drawer-close::before{transform:translate(-50%,-50%) rotate(45deg)}
.drawer-close::after{transform:translate(-50%,-50%) rotate(-45deg)}
.drawer-close:hover{background:var(--red);border-color:var(--red);transform:rotate(90deg)}

.drawer nav{display:flex;flex-direction:column;margin-top:20px}
.drawer nav a{
  display:flex;align-items:center;min-height:50px;padding:12px 2px;
  font-family:var(--ff-display);font-weight:700;font-size:1.02rem;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.08);
  opacity:0;transform:translateY(14px);
  transition:opacity .45s ease,transform .5s var(--ease),color .25s ease;
}
.drawer.open nav a{opacity:1;transform:none}
.drawer.open nav a:nth-child(1){transition-delay:.10s}
.drawer.open nav a:nth-child(2){transition-delay:.15s}
.drawer.open nav a:nth-child(3){transition-delay:.20s}
.drawer.open nav a:nth-child(4){transition-delay:.25s}
.drawer.open nav a:nth-child(5){transition-delay:.30s}
.drawer.open nav a:nth-child(6){transition-delay:.35s}
.drawer nav a:hover{color:var(--red-2)}
.drawer-foot{margin-top:auto;padding-top:22px;display:grid;gap:12px;font-size:.9rem}
.drawer-foot a{display:flex;align-items:center;gap:10px;min-height:42px;overflow-wrap:anywhere}
.drawer-foot svg{width:16px;height:16px;color:var(--gold);flex:none}
.drawer-foot .btn{width:100%}

/* ===================================================================== HERO
   Three full-bleed photographs that cross-fade behind the copy.
   ========================================================================= */
.hero{
  position:relative;isolation:isolate;overflow:hidden;color:#fff;
  min-height:clamp(600px,96vh,940px);display:flex;align-items:center;
  margin-top:calc(-1 * var(--header-h) - 12px);
  padding-top:calc(var(--header-h) + 12px);
  background:var(--ink);
}
.hero-slides{position:absolute;inset:0;z-index:-4;overflow:hidden;background:var(--ink)}
.hero-slide{
  position:absolute;inset:0;background-position:center;background-size:cover;
  opacity:0;transform:scale(1.08);
  transition:opacity 1.5s cubic-bezier(.4,0,.2,1);
  will-change:opacity,transform;
}
.hero-slide.on{opacity:1;animation:heroPan 9s linear forwards}
@keyframes heroPan{
  from{transform:scale(1.08) translate3d(-1.5%,0,0)}
  to{transform:scale(1.14) translate3d(1.5%,0,0)}
}
.hero-veil{
  position:absolute;inset:0;z-index:-3;
  background:
    linear-gradient(to bottom,rgba(11,14,19,.86) 0%,rgba(11,14,19,.44) 26%,
                   rgba(11,14,19,.36) 56%,rgba(11,14,19,.72) 88%,rgba(11,14,19,.94) 100%),
    linear-gradient(to right,rgba(11,14,19,.84) 0%,rgba(11,14,19,.42) 42%,rgba(11,14,19,.06) 78%);
}
.hero-vignette{
  position:absolute;inset:0;z-index:-2;
  background:radial-gradient(118% 84% at 50% 44%,rgba(11,14,19,0) 46%,rgba(11,14,19,.5) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:-1;opacity:.45;
  background-image:
    linear-gradient(rgba(198,161,91,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(198,161,91,.10) 1px,transparent 1px);
  background-size:80px 80px;
  -webkit-mask-image:radial-gradient(74% 62% at 50% 42%,#000 14%,transparent 100%);
  mask-image:radial-gradient(74% 62% at 50% 42%,#000 14%,transparent 100%);
}
.hero-inner{position:relative;z-index:1;padding-block:clamp(70px,10vw,110px)}
.hero-copy{max-width:min(100%,780px)}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.2);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-radius:999px;padding:8px 18px;font-size:.87rem;font-weight:600;margin-bottom:24px;
}
.hero-eyebrow::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--red-2);flex:none;
  box-shadow:0 0 0 0 rgba(224,75,68,.75);animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(224,75,68,.7)}
  70%{box-shadow:0 0 0 12px rgba(224,75,68,0)}
  100%{box-shadow:0 0 0 0 rgba(224,75,68,0)}
}
.hero h1{
  font-size:clamp(2rem,5.4vw,3.8rem);font-weight:800;line-height:1.24;
  text-shadow:0 2px 34px rgba(0,0,0,.4);
}
.hero h1 .hl{
  position:relative;color:var(--gold);white-space:nowrap;
}
.hero p{
  color:rgba(255,255,255,.84);font-size:clamp(.98rem,1.5vw,1.12rem);
  margin-top:22px;max-width:60ch;text-shadow:0 1px 18px rgba(0,0,0,.45);
}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:34px}

/* slide indicators */
.hero-ticks{display:flex;gap:10px;margin-top:44px}
.hero-ticks button{
  position:relative;width:56px;height:3px;border:0;padding:0;cursor:pointer;
  border-radius:99px;background:rgba(255,255,255,.26);overflow:hidden;
  -webkit-tap-highlight-color:transparent;transition:background .3s ease;
}
.hero-ticks button::after{
  content:"";position:absolute;inset:0;background:var(--gold);
  transform:scaleX(0);transform-origin:left;border-radius:99px;
}
.hero-ticks button.on::after{animation:tick var(--hero-ms,7s) linear forwards}
@keyframes tick{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.hero-ticks button:hover{background:rgba(255,255,255,.45)}

.hero-scroll{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);z-index:2;
  display:grid;place-items:center;gap:6px;
  color:rgba(255,255,255,.55);font-size:.72rem;letter-spacing:.14em;
}
.hero-scroll svg{width:19px;height:19px;animation:bob 2.2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}

/* ==================================================================== STATS */
.stats{background:var(--ink-2);color:#fff;position:relative;z-index:2}
.stats .wrap{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:rgba(255,255,255,.1);
}
.stat{background:var(--ink-2);padding:34px 20px;text-align:center}
.stat b{
  display:block;font-family:var(--ff-display);font-size:clamp(1.7rem,3.4vw,2.5rem);
  color:var(--gold);line-height:1;
}
.stat span{display:block;margin-top:8px;font-size:.88rem;color:rgba(255,255,255,.62)}

/* ==================================================================== ABOUT */
.about{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(36px,5vw,70px);align-items:center}
.about-media{position:relative}
.about-photo{
  position:relative;margin:0;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/5;box-shadow:0 44px 80px -52px rgba(11,14,19,.8);
}
.about-photo img{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform 1.2s var(--ease)}
.about-media:hover .about-photo img{transform:scale(1.05)}
.about-badge{
  position:absolute;right:-20px;bottom:30px;background:var(--red);color:#fff;
  border-radius:12px;padding:18px 24px;text-align:center;
  box-shadow:0 26px 50px -26px rgba(200,50,47,.9);
}
.about-badge b{display:block;font-family:var(--ff-display);font-size:1.8rem;line-height:1}
.about-badge span{font-size:.78rem;opacity:.9}
.about-body p{color:var(--muted);margin-top:16px}
.about-points{list-style:none;display:grid;gap:14px;margin-top:28px}
.about-points li{display:flex;gap:12px;align-items:flex-start}
.about-points svg{width:22px;height:22px;color:var(--red);flex:none;margin-top:4px}
.about-points b{display:block;font-family:var(--ff-display);font-size:.98rem}
.about-points span{font-size:.9rem;color:var(--muted)}

/* ================================================================= PRODUCTS */
.filters{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:34px}
.filters button{
  border:1px solid var(--line);background:var(--paper);border-radius:999px;
  padding:10px 20px;cursor:pointer;font-family:var(--ff-display);font-weight:600;
  font-size:.92rem;color:var(--muted);transition:.25s;white-space:nowrap;
}
.filters button:hover{border-color:var(--ink);color:var(--ink)}
.filters button.on{background:var(--ink);border-color:var(--ink);color:#fff}

.grid-p{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--paper);padding:30px 26px 28px;overflow:hidden;isolation:isolate;
  transition:transform .4s var(--ease),box-shadow .4s ease,border-color .3s ease;
}
.card::before{
  content:"";position:absolute;right:-50px;top:-50px;width:170px;height:170px;z-index:-1;
  border-radius:50%;background:radial-gradient(circle,var(--red-soft),transparent 70%);
  transform:scale(.5);transition:transform .7s var(--ease);
}
.card:hover{transform:translateY(-8px);box-shadow:0 34px 60px -40px rgba(11,14,19,.5);border-color:rgba(200,50,47,.3)}
.card:hover::before{transform:scale(1.25)}
.card-ico{
  width:56px;height:56px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(145deg,var(--ink),var(--ink-3));
  box-shadow:0 14px 26px -16px rgba(11,14,19,.9);
  transition:transform .45s var(--ease),background .35s ease;
}
.card:hover .card-ico{transform:translateY(-4px) rotate(-5deg);background:linear-gradient(145deg,var(--red),var(--red-2))}
.card-ico svg{width:26px;height:26px;color:var(--gold);transition:color .35s ease}
.card:hover .card-ico svg{color:#fff}
.card-media{
  margin:-30px -26px 18px;aspect-ratio:16/10;overflow:hidden;background:var(--sand);
}
.card-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .9s var(--ease)}
.card:hover .card-media img{transform:scale(1.07)}
.card h3{font-size:1.06rem;margin-bottom:8px}
.card p{font-size:.9rem;color:var(--muted)}
.card .badge{
  position:absolute;top:16px;right:16px;background:var(--red);color:#fff;
  font-size:.7rem;font-weight:700;padding:5px 11px;border-radius:5px;letter-spacing:.02em;
}
.empty{
  grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--muted);
  border:1px dashed var(--line);border-radius:var(--radius);
}

/* ================================================== WHOLESALE / TRADE / WHY */
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feats--3{grid-template-columns:repeat(3,1fr)}
.feat{
  position:relative;padding:32px 26px;border-radius:var(--radius);overflow:hidden;isolation:isolate;
  background:var(--paper);border:1px solid var(--line);
  transition:transform .4s var(--ease),box-shadow .4s ease,border-color .3s ease;
}
.sec--ink .feat{background:rgba(255,255,255,.04);border-color:var(--line-light)}
.sec--sand .feat{background:var(--paper)}
.feat:hover{transform:translateY(-7px);box-shadow:0 32px 56px -40px rgba(11,14,19,.55)}
.sec--ink .feat:hover{border-color:rgba(198,161,91,.4);background:rgba(255,255,255,.07)}
.feat-ico{
  width:54px;height:54px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--red-soft);color:var(--red);
  transition:transform .45s var(--ease),background .35s ease,color .35s ease;
}
.sec--ink .feat-ico{background:rgba(198,161,91,.14);color:var(--gold)}
.feat:hover .feat-ico{transform:translateY(-4px) scale(1.06);background:var(--red);color:#fff}
.feat-ico svg{width:25px;height:25px}
.feat h3{font-size:1.04rem;margin-bottom:8px}
.feat p{font-size:.9rem;color:var(--muted)}
.sec--ink .feat p{color:rgba(255,255,255,.64)}

/* ================================================================== PROCESS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;counter-reset:step}
.step{position:relative;padding-top:8px}
.step::before{
  content:"";position:absolute;top:26px;left:56px;right:-26px;height:1px;
  background:linear-gradient(90deg,var(--line),transparent);
}
.step:last-child::before{display:none}
.step .num{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--ff-display);font-weight:800;font-size:1.12rem;margin-bottom:18px;
  background:var(--paper);border:1px solid var(--line);color:var(--ink);
  transition:transform .4s var(--ease),background .35s ease,color .35s ease,border-color .3s;
}
.sec--sand .step .num{background:var(--paper)}
.step:hover .num{background:var(--red);border-color:var(--red);color:#fff;transform:scale(1.08)}
.step h3{font-size:1rem;margin-bottom:7px}
.step p{font-size:.88rem;color:var(--muted)}

/* ================================================================== CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(32px,4vw,60px);align-items:start}
.info-list{display:grid;gap:16px;margin-top:30px}
.info{display:flex;gap:15px;align-items:flex-start}
.info-ic{
  width:46px;height:46px;border-radius:11px;display:grid;place-items:center;flex:none;
  background:var(--red-soft);color:var(--red);
}
.sec--ink .info-ic{background:rgba(198,161,91,.14);color:var(--gold)}
.info-ic svg{width:21px;height:21px}
.info b{display:block;font-family:var(--ff-display);font-size:.92rem}
.info span{font-size:.94rem;color:var(--muted)}
.sec--ink .info span{color:rgba(255,255,255,.66)}
.info a:hover{color:var(--red)}
.sec--ink .info a:hover{color:var(--gold)}

.form-box{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(24px,3vw,36px);box-shadow:0 30px 60px -48px rgba(11,14,19,.6);
}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:7px}
.field input,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:9px;
  background:var(--paper);font-family:var(--ff-body);transition:border-color .25s ease,box-shadow .25s ease;
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:0;border-color:var(--red);box-shadow:0 0 0 3px rgba(200,50,47,.12);
}
.field .err{display:none;color:var(--red);font-size:.82rem;margin-top:5px}
.field.bad input,.field.bad textarea{border-color:var(--red)}
.field.bad .err{display:block}
.form-box .btn{width:100%}

/* =================================================================== FOOTER */
.ftr{background:var(--ink);color:rgba(255,255,255,.64);padding-top:clamp(52px,6vw,76px)}
.ftr-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;
}
.ftr h4{color:#fff;font-size:.98rem;margin-bottom:18px}
.ftr ul{list-style:none;display:grid;gap:10px;font-size:.92rem}
.ftr ul a{display:inline-block;transition:color .25s ease,transform .25s ease}
.ftr ul a:hover{color:var(--gold);transform:translateX(4px)}
.ftr .tagline{font-size:.92rem;margin:16px 0 20px;max-width:38ch}
.ftr-contact{display:grid;gap:11px;font-size:.92rem}
.ftr-contact a{display:flex;align-items:center;gap:10px;overflow-wrap:anywhere}
.ftr-contact svg{width:16px;height:16px;color:var(--gold);flex:none}
.ftr-contact a:hover{color:#fff}
.ftr-btm{
  border-top:1px solid var(--line-light);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  flex-wrap:wrap;font-size:.85rem;
}

/* ===================================================================== MISC */
.fab{position:fixed;right:20px;bottom:max(20px,env(safe-area-inset-bottom));z-index:70;display:grid;gap:10px}
.to-top{
  width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;
  background:var(--ink);color:#fff;box-shadow:0 16px 30px -16px rgba(11,14,19,.8);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .35s ease,visibility .35s,transform .35s var(--ease),background .25s;
}
.to-top.on{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--red);transform:translateY(-3px)}
.to-top svg{width:19px;height:19px}

.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,24px);z-index:120;
  display:flex;align-items:center;gap:11px;max-width:min(92vw,460px);
  background:var(--ink);color:#fff;border-radius:11px;padding:15px 20px;font-size:.92rem;
  box-shadow:0 28px 54px -26px rgba(0,0,0,.8);
  opacity:0;visibility:hidden;transition:opacity .35s ease,transform .45s var(--ease),visibility .35s;
}
.toast.on{opacity:1;visibility:visible;transform:translate(-50%,0)}
.toast svg{width:20px;height:20px;color:var(--gold);flex:none}
.toast.bad svg{color:var(--red-2)}

/* ===========================================================================
   MOTION
   =========================================================================== */

/* hero copy enters in sequence once the page is painted */
[data-rise]{
  opacity:0;transform:translateY(26px);
  transition:opacity .9s var(--ease),transform .9s var(--ease);
}
.hero.ready [data-rise]{opacity:1;transform:none}
.hero.ready [data-rise="1"]{transition-delay:.12s}
.hero.ready [data-rise="2"]{transition-delay:.24s}
.hero.ready [data-rise="3"]{transition-delay:.36s}
.hero.ready [data-rise="4"]{transition-delay:.48s}
.hero.ready [data-rise="5"]{transition-delay:.60s}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(34px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv[data-rv="left"]{transform:translateX(-32px)}
.rv[data-rv="right"]{transform:translateX(32px)}
@supports not (overflow-x: clip){
  /* Older engines: fall back to a vertical reveal so nothing can overhang. */
  .rv[data-rv="left"],.rv[data-rv="right"]{transform:translateY(34px)}
}
.rv[data-rv="scale"]{transform:scale(.94)}
.rv[data-rv="left"].in,.rv[data-rv="right"].in,.rv[data-rv="scale"].in{transform:none}

/* staggered children inside a grid */
.stagger > *{
  opacity:0;transform:translateY(28px);
  transition:opacity .75s var(--ease),transform .75s var(--ease);
  transition-delay:calc(var(--i,0) * 80ms);
}
.stagger.in > *{opacity:1;transform:none}

/* the gold rule under a kicker draws itself in */
.kicker::before{transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease) .1s}
.rv.in .kicker::before,.head.in .kicker::before,.stagger.in .kicker::before{transform:scaleX(1)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important;
  }
  [data-rise],.rv,.stagger > *{opacity:1!important;transform:none!important}
}

/* ===========================================================================
   RESPONSIVE
   Grid and flex children need min-width:0 or the browser refuses to shrink
   them below their content width — the usual cause of a page wider than the
   screen. Long unbroken strings (emails, URLs) get overflow-wrap.
   =========================================================================== */
.hero-copy > *,.about > *,.contact-grid > *,.ftr-grid > *,
.card > *,.feat > *,.step > *,.info > *,.stat > *{min-width:0}
.info span,.info a,.ftr-contact a,.tb-left a,.drawer-foot a{overflow-wrap:anywhere}

@media (min-width:992px){
  .nav{display:flex}
  .hdr-cta{display:inline-flex}
  .burger{display:none}
  .drawer,.scrim{display:none}
}

@media (max-width:1100px){
  .grid-p{grid-template-columns:repeat(2,1fr)}
  .feats{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:860px){
  .about{grid-template-columns:1fr;gap:34px}
  .about-media{order:-1;max-width:460px}
  .contact-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr);gap:30px}
  .step::before{display:none}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .tb-left{display:none}
  .topbar .wrap{justify-content:center}
}

@media (max-width:620px){
  :root{--header-h:72px;--header-h-stuck:60px}
  .hero{min-height:clamp(540px,88vh,760px)}
  .hero h1{font-size:clamp(1.7rem,7.4vw,2.3rem)}
  .hero h1 .hl{white-space:normal}
  .hero p{font-size:.98rem;margin-top:18px}
  .hero-actions{gap:10px;margin-top:28px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-ticks{margin-top:34px}
  .hero-ticks button{width:44px}
  .grid-p{grid-template-columns:1fr;gap:16px}
  .feats,.feats--3{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr;gap:30px}
  .row2{grid-template-columns:1fr}
  .about-badge{right:14px;bottom:14px;padding:13px 18px}
  .about-badge b{font-size:1.4rem}
  .card-media{margin:-30px -26px 18px}

  /* the filter row scrolls sideways rather than stacking */
  .filters{
    flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
    margin-inline:calc(-1 * var(--gutter));padding-inline:var(--gutter);padding-bottom:4px;
  }
  .filters::-webkit-scrollbar{display:none}
  .filters button{flex:none}
}

@media (max-width:400px){
  :root{--gutter:1.1rem}
  .hdr-inner{gap:10px}
  .brand{gap:9px}
  .stats .wrap{grid-template-columns:1fr}
  .brand-mark{width:36px;height:36px}
  .brand-zh{font-size:.98rem}
  .drawer{width:min(92vw,310px)}
  .ftr-btm{flex-direction:column;text-align:center}
}

/* touch devices: comfortable hit areas, no hover-only affordances */
@media (hover:none){
  .btn,.nav a,.drawer nav a,.filters button,.tb-link,.lang a{min-height:44px}
  .lang a{display:inline-flex;align-items:center}
  .card:hover,.feat:hover,.step:hover .num{transform:none}
  .hero-ticks button{min-height:44px;padding-block:20px;background-clip:content-box}
}

@supports (padding: max(0px)){
  .wrap{padding-left:max(0px,env(safe-area-inset-left));padding-right:max(0px,env(safe-area-inset-right))}
}
