/* ============================================================
   Bailan He — Outdoor Photographer & Cinematographer
   ============================================================ */
:root{
  --bg:#0b0b0c;
  --bg-2:#101012;
  --ink:#ecebe6;
  --muted:#8b8884;
  --faint:#56544f;
  --line:rgba(236,235,230,.12);
  --ember:#c8593c;
  --sans:"Space Grotesk",-apple-system,"Helvetica Neue",Arial,"PingFang SC",sans-serif;
  --mono:"Space Mono",ui-monospace,"SFMono-Regular",monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --pad:clamp(20px,5vw,80px);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg); color:var(--ink); font-family:var(--sans);
  font-weight:400; line-height:1.4; overflow-x:hidden;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
body.is-loading{overflow:hidden;height:100vh}
a{color:inherit;text-decoration:none}
img,video{display:block;width:100%;height:100%;object-fit:cover}
section{position:relative}
::selection{background:var(--ember);color:#fff}

/* lenis */
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}

/* ---------- Frames (reveal mask) ---------- */
.frame{position:relative;overflow:hidden;background:var(--bg-2)}
.frame img,.frame video{transition:transform 1.1s var(--ease)}

/* ============================================================
   PRELOADER
   ============================================================ */
.loader{
  position:fixed;inset:0;z-index:1000;background:var(--bg);overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.loader__media{position:absolute;inset:0;z-index:0}
.lframe{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transform:scale(1.14);filter:saturate(1.12) contrast(1.04) brightness(.9);
  transition:opacity .6s var(--ease),transform 2.9s var(--ease)}
.lframe.is-on{opacity:1;transform:scale(1)}
/* last frame aligns 1:1 with the hero video — no zoom, no filter */
.lframe--still,.lframe--still.is-on{transform:scale(1)!important;filter:none}
.loader__scrim{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(130% 115% at 50% 50%,transparent 40%,rgba(11,11,12,.45) 100%),
  linear-gradient(0deg,rgba(11,11,12,.7),rgba(11,11,12,.28) 52%,rgba(11,11,12,.5))}
.loader__grain{position:absolute;inset:0;z-index:1;opacity:.45;mix-blend-mode:overlay;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:170px}
.loader__inner{position:relative;z-index:2;display:flex;align-items:baseline;gap:clamp(16px,4vw,48px);
  padding:0 var(--pad);width:100%;justify-content:space-between;max-width:1700px}
.loader__name{font-size:clamp(28px,7vw,90px);font-weight:500;letter-spacing:-.02em;line-height:1}
.loader__count{font-family:var(--mono);font-size:clamp(28px,7vw,90px);color:var(--ink)}
.loader__pct{font-size:.45em;vertical-align:super;color:var(--faint)}
.loader__cap{position:absolute;z-index:2;left:var(--pad);bottom:clamp(40px,7vh,82px);
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);transition:opacity .5s}
.loader__bar{position:absolute;left:0;bottom:0;z-index:3;height:2px;width:100%;background:rgba(255,255,255,.07)}
.loader__bar span{display:block;height:100%;width:0;background:var(--ink);transition:width .2s linear}
.loader.is-done{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .9s var(--ease),visibility 0s .9s}
.loader.is-done .loader__inner,.loader.is-done .loader__cap,.loader.is-done .loader__bar,
.loader.is-done .loader__grain,.loader.is-done .loader__scrim{opacity:0;transition:opacity .45s var(--ease)}

/* ============================================================
   CURSOR — mountain peak that morphs into a browse ring
   ============================================================ */
html.cursor-on, html.cursor-on *{cursor:none !important}
.cursor{position:fixed;top:0;left:0;z-index:2000;pointer-events:none;will-change:transform}
.cursor>*{position:absolute;top:0;left:0}
.cursor__peak{width:26px;height:22px;fill:none;stroke:var(--ink);stroke-width:9;
  stroke-linejoin:round;stroke-linecap:round;mix-blend-mode:difference;
  transform:translate(-50%,-50%);transition:opacity .3s,transform .45s var(--ease)}
.cursor__ring{width:88px;height:88px;border-radius:50%;border:1px solid rgba(236,235,230,.55);
  background:rgba(236,235,230,.05);backdrop-filter:blur(1px);
  opacity:0;transform:translate(-50%,-50%) scale(.35);
  transition:opacity .4s var(--ease),transform .55s var(--ease),background .4s}
.cursor__ico{width:34px;height:34px;fill:none;stroke:var(--ink);stroke-width:6;
  stroke-linejoin:round;stroke-linecap:round;mix-blend-mode:difference;
  opacity:0;transform:translate(-50%,-50%) scale(.4);transition:opacity .35s,transform .45s var(--ease)}
.cursor__play{fill:var(--ink);stroke:none}

/* link hover: peak swells */
.cursor.is-link .cursor__peak{transform:translate(-50%,-50%) scale(1.55)}
/* media / video / nav: peak fades, ring appears */
.cursor.is-media .cursor__peak,.cursor.is-video .cursor__peak,
.cursor.is-prev .cursor__peak,.cursor.is-next .cursor__peak{opacity:0;transform:translate(-50%,-50%) scale(.2)}
.cursor.is-media .cursor__ring,.cursor.is-video .cursor__ring,
.cursor.is-prev .cursor__ring,.cursor.is-next .cursor__ring{opacity:1;transform:translate(-50%,-50%) scale(1)}
.cursor.is-media .cursor__arrows{opacity:1;transform:translate(-50%,-50%) scale(1)}
.cursor.is-video .cursor__play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.cursor.is-prev .cursor__arrow1{opacity:1;transform:translate(-50%,-50%) scale(1)}
.cursor.is-next .cursor__arrow1{opacity:1;transform:translate(-50%,-50%) scale(1) rotate(180deg)}
.cursor.is-down .cursor__ring{transform:translate(-50%,-50%) scale(.86);background:rgba(236,235,230,.14)}
@media (hover:none),(pointer:coarse){.cursor{display:none}html.cursor-on *{cursor:auto !important}}

/* click ripple burst */
.click-ripple{position:fixed;border:1px solid var(--ink);border-radius:50%;pointer-events:none;
  z-index:1900;mix-blend-mode:difference;transform:translate(-50%,-50%);animation:clickRipple .75s var(--ease) forwards}
@keyframes clickRipple{from{width:8px;height:8px;opacity:.7}to{width:260px;height:260px;opacity:0}}

/* ============================================================
   FOCUS / EXHIBITION LIGHTBOX
   ============================================================ */
.lb{position:fixed;inset:0;z-index:1200;opacity:0;visibility:hidden;pointer-events:none}
.lb.is-open{opacity:1;visibility:visible;pointer-events:auto}
.lb__bg{position:absolute;inset:0;background:rgba(7,7,8,.94);backdrop-filter:blur(10px) saturate(.9);
  opacity:0;transition:opacity .6s var(--ease)}
.lb.is-open .lb__bg{opacity:1}
.lb__stage{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  padding:clamp(46px,8vh,96px) clamp(20px,7vw,120px)}
.lb__slide{position:absolute;display:flex;align-items:center;justify-content:center;width:100%;height:100%}
.lb__slide img,.lb__slide video{max-width:min(88vw,1400px);max-height:80vh;width:auto;height:auto;
  object-fit:contain;box-shadow:0 40px 100px rgba(0,0,0,.6)}
.lb__slide.is-rippling img,.lb__slide.is-rippling video{filter:url(#rippleFilter)}
.lb__zone{position:absolute;top:0;bottom:0;width:50%;z-index:3}
.lb__zone--prev{left:0}
.lb__zone--next{right:0}
.lb__ui{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:flex-end;
  gap:20px;padding:clamp(18px,3vw,38px) clamp(20px,5vw,64px);z-index:5;
  font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.lb__meta{display:flex;flex-direction:column;gap:6px}
.lb__group{color:var(--ember)}
.lb__caption{color:var(--ink);text-transform:none;letter-spacing:.01em;font-family:var(--sans);font-size:13px;max-width:46ch}
.lb__count{font-size:13px;color:var(--ink)}
.lb__count i{color:var(--faint);margin:0 7px;font-style:normal}
.lb__close{position:absolute;top:clamp(16px,2.6vw,30px);right:clamp(20px,5vw,64px);z-index:6;
  background:none;border:0;color:var(--ink);font-family:var(--mono);font-size:12px;text-transform:uppercase;
  letter-spacing:.12em;cursor:pointer;pointer-events:auto;display:flex;align-items:center;gap:9px}
.lb__close::after{content:"";width:11px;height:11px;background:
  linear-gradient(currentColor,currentColor) center/100% 1px no-repeat,
  linear-gradient(currentColor,currentColor) center/1px 100% no-repeat;transform:rotate(45deg);transition:transform .4s var(--ease)}
.lb__close:hover::after{transform:rotate(225deg)}
.lb__dots{position:absolute;top:clamp(18px,3vw,32px);left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:5}
.lb__dots span{width:6px;height:6px;border-radius:50%;background:rgba(236,235,230,.28);transition:all .35s var(--ease);cursor:pointer;pointer-events:auto}
.lb__dots span.is-active{background:var(--ink);width:22px;border-radius:4px}
@media(max-width:760px){
  .lb__zone{width:30%}
  .lb__slide img,.lb__slide video{max-width:92vw;max-height:74vh}
}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:fixed;top:0;left:0;width:100%;z-index:500;
  display:flex;align-items:center;justify-content:space-between;
  padding:clamp(16px,2.4vw,30px) var(--pad);
  mix-blend-mode:difference;transition:transform .5s var(--ease)}
.nav.is-hidden{transform:translateY(-110%)}
.nav__brand{display:flex;align-items:baseline;gap:12px}
.nav__mark{font-weight:700;letter-spacing:.04em;font-size:16px}
.nav__full{font-size:12px;color:var(--ink);opacity:.7}
.nav__full i{font-style:normal;opacity:.6}
.nav__links{display:flex;gap:clamp(18px,2.5vw,40px)}
.nav__links a{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.05em;position:relative;padding:4px 0}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:currentColor;transition:width .4s var(--ease)}
.nav__links a:hover::after{width:100%}
@media(max-width:640px){.nav__full{display:none}.nav__links a:not(:last-child){display:none}}

/* ============================================================
   HERO
   ============================================================ */
.hero{height:100svh;min-height:600px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__video,.hero__fallback,.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
/* hero photo "breathing" — starts at scale 1 (matches the loader's last frame) once revealed */
.hero__img{transform-origin:52% 46%}
.hero__img.is-live{animation:heroBreath 22s ease-in-out infinite alternate}
@keyframes heroBreath{from{transform:scale(1)}to{transform:scale(1.07)}}
.hero__scrim{position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(11,11,12,.45) 0%,rgba(11,11,12,0) 22%,rgba(11,11,12,0) 55%,rgba(11,11,12,.7) 100%),
    radial-gradient(120% 90% at 50% 120%,rgba(11,11,12,.6),transparent 60%)}
.hero__content{position:relative;z-index:2;padding:0 var(--pad)}
.hero__kicker{font-family:var(--mono);font-size:clamp(10px,1.1vw,13px);text-transform:uppercase;
  letter-spacing:.28em;color:var(--ink);margin-bottom:clamp(14px,2vw,26px);opacity:.85}
.hero__title{font-size:clamp(78px,20vw,300px);font-weight:500;line-height:.84;letter-spacing:-.03em}
.hero__title .reveal-line{display:block}
.hero__meta{font-family:var(--mono);font-size:clamp(11px,1.2vw,15px);letter-spacing:.06em;
  color:var(--ink);margin-top:clamp(20px,2.6vw,38px);opacity:.8}
.hero__foot{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:flex-end;
  padding:clamp(22px,3vw,46px) var(--pad) clamp(22px,3vw,40px)}
.hero__scroll{display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.2em;color:var(--ink)}
.hero__scrollline{width:46px;height:1px;background:var(--ink);transform-origin:left;animation:scrollpulse 2.4s var(--ease) infinite}
@keyframes scrollpulse{0%,100%{transform:scaleX(.4);opacity:.5}50%{transform:scaleX(1);opacity:1}}
.hero__coord{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}

/* ============================================================
   STATEMENT
   ============================================================ */
.statement{padding:clamp(90px,16vh,200px) var(--pad)}
.statement__lead{max-width:18ch;font-size:clamp(30px,5.2vw,82px);font-weight:400;line-height:1.06;letter-spacing:-.02em}
.statement__lead em{font-style:italic;color:var(--ember)}
.reveal-word{display:inline-block;overflow:hidden;vertical-align:top}
.reveal-word>*{display:inline-block}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(16px,2vw,26px) 0;overflow:hidden;white-space:nowrap}
.marquee__track{display:inline-flex;align-items:center;gap:clamp(22px,3vw,48px);will-change:transform}
.marquee__track span{font-size:clamp(20px,3vw,40px);font-weight:400;text-transform:uppercase;letter-spacing:.01em}
.marquee__track .dot{font-size:.5em;color:var(--ember);transform:translateY(-.35em)}

/* ============================================================
   SECTION HEAD
   ============================================================ */
.sec-head{display:flex;justify-content:space-between;align-items:baseline;
  padding:clamp(70px,9vw,140px) var(--pad) clamp(30px,4vw,56px);border-top:1px solid var(--line)}
.sec-head__idx{font-size:clamp(13px,1.4vw,17px);font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;color:var(--muted)}
.sec-head__count{font-family:var(--mono);font-size:12px;color:var(--faint);letter-spacing:.08em}

/* ============================================================
   WORK / PROJECTS
   ============================================================ */
.proj{padding:clamp(40px,7vw,90px) var(--pad) clamp(60px,9vw,120px)}
.proj__head{display:flex;gap:clamp(18px,3vw,44px);align-items:flex-start;margin-bottom:clamp(28px,4vw,56px)}
.proj__no{font-family:var(--mono);font-size:clamp(12px,1.2vw,14px);color:var(--ember);padding-top:.6em;letter-spacing:.05em}
.proj__title{font-size:clamp(34px,6.4vw,104px);font-weight:500;line-height:.92;letter-spacing:-.025em}
.proj__sub{font-family:var(--mono);font-size:clamp(11px,1.1vw,14px);text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-top:clamp(12px,1.5vw,20px)}

.proj__hero{aspect-ratio:16/10;width:100%}
.proj__split{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(20px,3vw,48px);margin-top:clamp(20px,3vw,48px);align-items:end}
.proj__video{aspect-ratio:16/9;position:relative;cursor:pointer}
.proj__play{position:absolute;left:18px;bottom:18px;z-index:3;background:rgba(11,11,12,.5);
  border:1px solid rgba(236,235,230,.4);color:var(--ink);font-family:var(--mono);font-size:12px;
  text-transform:uppercase;letter-spacing:.1em;padding:9px 16px;border-radius:40px;cursor:pointer;backdrop-filter:blur(4px);transition:background .3s}
.proj__video.is-playing .proj__play{opacity:0;pointer-events:none}
.proj__text{padding-bottom:6px}
.proj__text p{font-size:clamp(15px,1.5vw,19px);color:var(--ink);max-width:42ch;margin-bottom:1em;line-height:1.5}
.proj__note{font-size:clamp(13px,1.3vw,15px)!important;color:var(--muted)!important;border-left:2px solid var(--ember);padding-left:16px}
.proj__note span{color:var(--ember);font-family:var(--mono);font-size:.85em;text-transform:uppercase;letter-spacing:.08em}
@media(max-width:760px){.proj__split{grid-template-columns:1fr}}

/* horizontal gallery */
.proj--wide{padding-bottom:clamp(30px,4vw,60px)}
.hgallery{overflow:hidden}
.hgallery__track{display:flex;gap:clamp(14px,2vw,32px);will-change:transform}
.hgallery__item{flex:0 0 auto;width:min(38vw,460px);aspect-ratio:3/4;height:auto}
.hgallery__item:nth-child(even){width:min(48vw,620px);aspect-ratio:4/3;align-self:flex-end}
@media(max-width:760px){
  .hgallery{overflow-x:auto;-webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory;padding-bottom:14px}
  .hgallery__item{width:78vw;scroll-snap-align:center}
  .hgallery__item:nth-child(even){width:78vw;align-self:auto}
}

/* grid */
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(12px,1.6vw,26px);grid-auto-flow:dense}
.grid__item{grid-column:span 4;aspect-ratio:4/5}
.grid__item.gi-tall{grid-column:span 4;grid-row:span 2;aspect-ratio:3/5}
.grid__item.gi-wide{grid-column:span 8;aspect-ratio:16/9}
.grid__item.gi-half{grid-column:span 6;aspect-ratio:5/4}
@media(max-width:760px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .grid__item,.grid__item.gi-tall,.grid__item.gi-wide,.grid__item.gi-half{grid-column:span 1;grid-row:auto;aspect-ratio:3/4}
  .grid__item.gi-wide{grid-column:span 2;aspect-ratio:16/10}
  .grid__item.gi-half{aspect-ratio:5/4}
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(28px,5vw,90px);padding:0 var(--pad) clamp(70px,9vw,130px);align-items:start}
.about__photo{aspect-ratio:3/4;position:sticky;top:12vh}
.about__lead{font-size:clamp(22px,3.2vw,42px);font-weight:400;line-height:1.18;letter-spacing:-.02em;margin-bottom:clamp(22px,3vw,40px)}
.about__p{font-size:clamp(15px,1.5vw,18px);color:var(--muted);line-height:1.6;max-width:54ch;margin-bottom:clamp(34px,5vw,64px)}
.about__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.5vw,40px);border-top:1px solid var(--line);padding-top:clamp(26px,3vw,44px)}
.about__col h3{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--ember);margin-bottom:16px}
.about__col ul{list-style:none}
.about__col li{font-size:clamp(13px,1.3vw,15px);color:var(--ink);padding:5px 0;opacity:.85;border-bottom:1px solid transparent}
@media(max-width:860px){.about__grid{grid-template-columns:1fr}.about__photo{position:relative;top:0;max-height:80vh;aspect-ratio:4/5}}
@media(max-width:520px){.about__cols{grid-template-columns:1fr;gap:24px}}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{padding:clamp(80px,14vh,180px) var(--pad) clamp(50px,7vw,90px);border-top:1px solid var(--line)}
.contact__kicker{display:block;font-family:var(--mono);font-size:clamp(11px,1.2vw,14px);text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:clamp(26px,3vw,44px)}
.contact__mail{display:inline-block;font-size:clamp(24px,5vw,70px);font-weight:500;letter-spacing:-.02em;line-height:1;white-space:nowrap;max-width:100%}
@media(max-width:560px){.contact__mail{white-space:normal;word-break:break-word;font-size:clamp(26px,8vw,40px)}}
.contact__mail:hover{color:var(--ember)}
.contact__row{display:flex;flex-wrap:wrap;gap:clamp(30px,6vw,110px);margin-top:clamp(50px,7vw,100px);border-top:1px solid var(--line);padding-top:clamp(30px,3vw,46px)}
.contact__group{display:flex;flex-direction:column;gap:8px}
.contact__lbl{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--faint);margin-bottom:6px}
.contact__group a{font-size:clamp(15px,1.6vw,20px);width:fit-content;position:relative}
.contact__group a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:currentColor;transition:width .4s var(--ease)}
.contact__group a:hover::after{width:100%}

.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  padding:clamp(26px,3vw,40px) var(--pad);border-top:1px solid var(--line);
  font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.04em}

/* ============================================================
   REVEAL STATES (JS-driven; CSS fallback safe)
   ============================================================ */
.reveal-line{overflow:hidden}
.reveal-line>span{display:block}
[data-reveal]{will-change:transform,opacity}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .hero__scrollline{animation:none}
}