/* Full-viewport photographic hero. Scoped to preserve the page below. */
:root{--hero-white:#f4f0e7;--hero-muted:#d2c7b5;--hero-bronze:#bea17e;--hero-border:#f4f0e77a;--hero-dark:#0d0c0a;--hero-clear:#0d0c0a00;--hero-shadow:#0d0c0a80;--hero-heavy:#0d0c0acd}
body{max-width:none;margin:0}.masthead{position:absolute;left:0;right:0;top:0;z-index:10;min-height:106px;padding:27px 5.3%;color:var(--hero-white);gap:45px}.masthead .wordmark{font-size:37px}.masthead nav{flex:1;justify-content:space-between;gap:35px}.nav-links{display:flex;gap:48px;margin:auto}.masthead .nav-links>a{color:var(--hero-white);font-size:13px;padding:10px 0}.masthead .nav-links>a:hover{color:var(--hero-bronze)}.masthead .nav-book{position:relative;font-size:13px;color:var(--hero-white);border-color:var(--hero-border);padding:10px 0;white-space:nowrap}.masthead .nav-book::before{content:'';position:absolute;left:-32px;top:0;bottom:0;width:1px;background:var(--hero-border)}.masthead .nav-book span{margin-left:28px}
.hero.hero-showcase{position:relative;isolation:isolate;overflow:hidden;min-height:760px;height:100vh;height:100svh;padding:0;color:var(--hero-white);background:var(--hero-dark)}
.hero-backdrops{position:absolute;inset:0;z-index:-3}.hero-showcase .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:0;transition:opacity .8s var(--ease);transform:none;animation:none}.hero-showcase .hero-bg.is-active{opacity:1}.hero-showcase .hero-bg[data-hero-image="0"]{object-position:center 46%}.hero-showcase .hero-bg[data-hero-image="1"]{object-position:60% center}.hero-showcase .hero-bg[data-hero-image="2"]{object-position:75% 43%}
.hero-showcase::before{content:'';position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,var(--hero-heavy) 0%,var(--hero-shadow) 32%,var(--hero-clear) 66%),linear-gradient(0deg,var(--hero-shadow),var(--hero-clear) 24%,var(--hero-clear) 75%,var(--hero-shadow));pointer-events:none}
.hero-content{position:absolute;inset:21.5% auto auto 5.3%;width:69%;max-width:1130px}.hero-kicker{font-size:11px;letter-spacing:4px;color:var(--hero-bronze);margin-bottom:21px}.hero.hero-showcase h1{font-size:clamp(96px,9.6vw,166px);line-height:.78;letter-spacing:-.065em;text-transform:uppercase;font-weight:300}.hero.hero-showcase h1 .hero-line{display:block;padding:0;margin:0;white-space:nowrap}.hero.hero-showcase h1 .hero-line+.hero-line{margin-top:8px;padding:0}.hero.hero-showcase h1 .hero-line-last{margin-left:14.5vw;padding-top:0}.hero-manifesto{position:absolute;left:0;bottom:100px;font-size:10px;line-height:1.9;letter-spacing:2.5px;text-transform:uppercase;color:var(--hero-muted)}.hero-book.button{margin-top:43px;min-width:285px;min-height:60px;padding:16px 30px;background:transparent;border:1px solid var(--hero-border);color:var(--hero-white);font-size:13px;gap:45px}.hero-book.button:hover{background:var(--hero-white);color:var(--hero-dark);border-color:var(--hero-white)}
.hero-selector{position:absolute;right:3%;top:37%;display:flex;gap:16px;align-items:stretch}.hero-thumbnails{display:flex;flex-direction:column;gap:10px}.hero-thumb{display:block;border:1px solid transparent;padding:0;width:38px;height:57px;background:var(--hero-dark);opacity:.55;transition:opacity .2s,border-color .2s}.hero-thumb img{object-fit:cover;object-position:68% center}.hero-thumb.is-active,.hero-thumb:hover{opacity:1;border-color:var(--hero-border)}.hero-counter{border-left:1px solid var(--hero-border);padding-left:16px;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:10px;letter-spacing:1px;line-height:1.5;color:var(--hero-muted)}
.hero-discover{position:absolute;bottom:5.5%;left:5.3%;display:flex;align-items:center;gap:23px}.hero-discover>img{width:150px;height:110px;object-fit:cover;object-position:65% center}.hero-discover>span{font-size:10px;letter-spacing:2.5px;line-height:2;text-transform:uppercase}.hero-discover i{display:block;width:44px;height:1px;background:var(--hero-border);margin-top:14px;transition:width .25s}.hero-discover:hover i{width:75px}.hero-signoff{position:absolute;right:5.3%;bottom:7%;text-align:right;text-transform:uppercase;font-size:9px;letter-spacing:1.7px;line-height:1.9;color:var(--hero-bronze)}.hero-image-note{position:absolute;right:5.3%;bottom:20px;color:var(--hero-muted);font-size:7px;letter-spacing:.7px}.demo{border-top:1px solid var(--line)}
@media(min-width:1900px){.hero-content{max-width:1280px}.hero.hero-showcase h1{font-size:min(9.5vw,215px)}}
@media(max-height:820px) and (min-width:901px){.hero.hero-showcase{min-height:680px}.hero-content{top:20%}.hero.hero-showcase h1{font-size:clamp(90px,8.2vw,133px)}.hero-kicker{margin-bottom:15px}.hero-book.button{margin-top:25px;min-height:54px}.hero-manifesto{bottom:80px;font-size:9px}.hero-discover>img{width:115px;height:80px}.hero-discover{bottom:4.5%}}
@media(max-width:1100px){.masthead{gap:32px}.masthead .wordmark{font-size:32px}.nav-links{gap:26px}.masthead nav{gap:28px}.masthead .nav-book::before{left:-16px}.hero-content{top:24%;width:79%}.hero.hero-showcase h1{font-size:11vw}.hero.hero-showcase h1 .hero-line-last{margin-left:17vw}.hero-manifesto{font-size:8px;letter-spacing:1.8px;bottom:97px}.hero-kicker{font-size:9px;letter-spacing:2.5px}.hero-selector{right:2.5%;gap:10px}.hero-counter{padding-left:10px}.hero-book.button{min-width:245px}}
@media(max-width:760px){.masthead{padding:24px 6%;min-height:94px;gap:20px}.masthead .wordmark{font-size:34px}.masthead .menu{color:var(--hero-white)}.masthead nav{display:none;top:100%;padding:23px 6%;background:var(--hero-dark);border-color:var(--line)}.masthead nav.open{display:flex}.nav-links{display:flex;flex-direction:column;gap:9px;margin:0}.masthead .nav-links>a{font-size:14px}.masthead .nav-book{margin-top:12px;padding-bottom:15px;text-align:left}.masthead .nav-book::before{display:none}
.hero.hero-showcase{height:100svh;min-height:760px;max-height:none}.hero-content{left:6%;top:23%;width:88%;max-width:none}.hero.hero-showcase h1{font-size:15.3vw;line-height:.86;letter-spacing:-.065em}.hero.hero-showcase h1 .hero-line+.hero-line{margin-top:2px}.hero.hero-showcase h1 .hero-line-last{margin-left:18vw;font-size:17.5vw}.hero-kicker{font-size:8px;letter-spacing:2.2px;margin-bottom:24px}.hero-manifesto{position:static;left:auto;bottom:auto;font-size:8px;letter-spacing:1.8px;line-height:1.9;margin-top:27px}.hero-book.button{margin-top:22px;min-width:230px;min-height:52px;padding:14px 21px;font-size:12px;gap:32px}.hero-showcase .hero-bg[data-hero-image="0"]{object-position:65% center}.hero-showcase::before{background:linear-gradient(90deg,var(--hero-heavy),var(--hero-shadow) 58%,var(--hero-clear)),linear-gradient(0deg,var(--hero-heavy),var(--hero-clear) 30%)}.hero-selector{right:6%;top:auto;bottom:12%;gap:11px}.hero-thumbnails{flex-direction:row;gap:7px}.hero-thumb{width:30px;height:44px}.hero-counter{font-size:8px;padding-left:10px;gap:0;line-height:1.7}.hero-discover{left:6%;bottom:4.3%;gap:14px}.hero-discover>img{width:76px;height:60px}.hero-discover>span{font-size:8px;letter-spacing:1.8px;line-height:1.9}.hero-discover i{margin-top:8px;width:29px}.hero-signoff{display:none}.hero-image-note{right:6%;bottom:11px;font-size:6px;letter-spacing:.3px}.mobile-book{z-index:11}.hero-showcase~.demo{font-size:8px}.hero-book:focus-visible,.hero-thumb:focus-visible,.hero-discover:focus-visible{outline-color:var(--hero-white)}}
@media(max-width:380px){.hero.hero-showcase{min-height:720px}.hero-content{top:22%}.hero-kicker{letter-spacing:1.6px}.hero-book.button{width:auto;min-width:220px}.hero-selector{bottom:14%}.hero-discover{bottom:4.5%}}
@media(prefers-reduced-motion:reduce){.hero-showcase .hero-bg,.hero-thumb,.hero-discover i{transition:none!important}}
@media print{.masthead{position:static}.hero.hero-showcase{height:auto;min-height:0;padding:35px 6%}.hero-content{position:static;width:auto}.hero.hero-showcase h1{font-size:70px}.hero-backdrops,.hero-selector,.hero-discover,.hero-signoff,.hero-image-note{display:none}.hero-manifesto{position:static;margin-top:25px}}
@media(max-width:760px){.hero-in-view .mobile-book{visibility:hidden;pointer-events:none}.hero-showcase .hero-discover{bottom:5%}}

/* Left-aligned editorial copy, followed by its supporting text and CTA. */
html:lang(vi) .hero.hero-showcase h1 .hero-line-last{margin-left:0;font-size:inherit}
.hero.hero-showcase .hero-manifesto{position:static;inset:auto;margin-top:24px;max-width:360px;font-size:clamp(9px,.75vw,11px);line-height:1.8}
.hero.hero-showcase .hero-book.button{margin-top:24px}
#main > .hero.hero-showcase{--hero-bottom:clamp(40px,calc(3.5svh + 16px),56px);display:flex;flex-direction:column;justify-content:flex-end;padding-top:clamp(120px,16svh,180px);padding-bottom:var(--hero-bottom)}
@media(max-width:1100px){#main > .hero.hero-showcase{padding-bottom:calc(var(--hero-bottom) + 88px)}}
@media(max-width:760px){.hero.hero-showcase .hero-manifesto{margin-top:22px}.hero.hero-showcase .hero-book.button{margin-top:22px}#main > .hero.hero-showcase{--hero-bottom:max(36px,calc(32px + env(safe-area-inset-bottom)));padding-bottom:calc(var(--hero-bottom) + 88px)}}

/* The heading sets the desktop track width; supporting copy and CTA span it. */
.hero-showcase .hero-copy{display:grid;grid-template-columns:minmax(0,max-content);width:max-content;max-width:100%}
.hero-showcase .hero-actions{contain:inline-size;display:flex;align-items:flex-end;justify-content:space-between;gap:clamp(12px,2vw,32px);width:100%;min-width:0;margin-top:28px}
.hero.hero-showcase .hero-actions .hero-manifesto{margin:0;max-width:48%;min-width:0;letter-spacing:1.5px}
.hero.hero-showcase .hero-actions .hero-book.button{flex:0 0 auto;margin:0;min-width:clamp(144px,15vw,245px);padding:14px 18px;gap:clamp(12px,1.4vw,28px);font-size:12px}
.hero-showcase .hero-bg{transition:opacity 1.8s var(--ease)}
.hero-showcase .hero-socials{position:absolute;right:5.3%;top:auto;bottom:var(--hero-bottom);transform:none;display:flex;flex-direction:column;align-items:center;gap:10px;z-index:1}
.hero-showcase .hero-social{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;min-height:44px;padding:0;border:1px solid var(--hero-border);border-radius:0;background:#0d0c0a30;color:var(--hero-muted);font-family:var(--body);font-size:10px;line-height:1.4;letter-spacing:.4px;white-space:nowrap;transition:color .2s,border-color .2s,background .2s}
.hero-showcase .hero-social svg{flex:none;width:18px;height:18px;pointer-events:none}
.hero-showcase .hero-social:not(:disabled):hover{color:var(--hero-white);border-color:var(--hero-white);background:#0d0c0a70}
.hero-showcase .hero-social:focus-visible{outline:1px solid var(--hero-white);outline-offset:4px}
.hero-showcase .hero-social:disabled{opacity:.5;cursor:default}
@media(max-width:760px){
 .hero-showcase .hero-copy{display:grid;grid-template-columns:minmax(0,1fr);width:100%}
 .hero-showcase .hero-actions{gap:12px;margin-top:24px}
 .hero.hero-showcase .hero-actions .hero-manifesto{font-size:8px;letter-spacing:1px;max-width:48%}
 .hero.hero-showcase .hero-actions .hero-book.button{min-width:124px;min-height:48px;padding:12px;gap:12px;font-size:11px}
 /* Reserve a narrow right rail so icon buttons do not cover the copy. */
 .hero.hero-showcase .hero-content{width:calc(94.7% - 68px);max-width:calc(94.7% - 68px)}
 .hero.hero-showcase .hero-actions .hero-book.button{min-width:118px;padding-inline:10px}
 .hero-showcase .hero-socials{right:10px;bottom:var(--hero-bottom);gap:8px}
}
@media(prefers-reduced-motion:reduce){.hero-showcase .hero-social{transition:none}}
@media print{.hero-showcase .hero-socials{display:none}.hero-showcase .hero-copy{display:block;width:100%}.hero-showcase .hero-actions{contain:none}}