/* Example B: light editorial. A New York gallery wall: a white page, large photographs that carry
   all the colour, Helvetica Neue for headings and labels (the face of the subway signs) over Charter
   for reading. No accent colour: black is the ink, the CTA and the rules. */
:root{
  --paper:#ffffff;   /* page */
  --ink:#141414;     /* text, headings, the solid CTA, strong rules, 18.4:1 */
  --ink-2:#4a4a4a;   /* secondary text, 8.9:1 */
  --ink-3:#6b6b6b;   /* captions and fine print only, 5.3:1 */
  --rule:#dadada;    /* hairlines */
  --ph:#ffe14d;      /* placeholder marks only */
  --sans:"Helvetica Neue",Helvetica,"Nimbus Sans",Arial,sans-serif;
  --serif:Charter,"Bitstream Charter","Sitka Text",Cambria,"Noto Serif",Georgia,serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:19px/1.6 var(--serif)}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
h1,h2,h3{font-family:var(--sans);font-weight:500;margin:0;text-wrap:balance}
h2{font-size:clamp(1.9rem,3.4vw,2.9rem);line-height:1.08;letter-spacing:-.02em}
h3{font-size:1.2rem;line-height:1.25;letter-spacing:-.005em}
p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
.wrap{max-width:1240px;margin-inline:auto;padding-inline:clamp(20px,4vw,48px)}
section{padding-block:clamp(3.5rem,9vw,7.5rem)}
.label{font:500 .95rem/1.3 var(--sans);color:var(--ink-2);margin-bottom:.9rem}
.intro{color:var(--ink-2);max-width:38rem;margin-top:1.1rem}
figcaption{font:400 .8rem/1.4 var(--sans);color:var(--ink-3);margin-top:.6rem}

/* example switcher, not part of the design */
.examples{background:#f2f2f2;color:var(--ink-3);font:13px/1.4 var(--sans);padding:7px 20px;text-align:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.75rem 1.4rem;border:1px solid var(--ink);border-radius:0;font:500 .98rem/1.2 var(--sans);text-decoration:none;cursor:pointer;transition:background .15s ease-out,color .15s ease-out}
.btn.primary{background:var(--ink);color:#fff}
.btn.primary:hover{background:#3a3a3a}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}

/* nav */
.nav{position:sticky;top:0;z-index:10;background:var(--paper);border-bottom:1px solid var(--rule)}
.nav .wrap{display:flex;align-items:center;gap:2rem;height:66px}
.brand{font:500 1.15rem/1 var(--sans);letter-spacing:-.01em;color:var(--ink);text-decoration:none;white-space:nowrap;margin-right:auto}
.nav ul{display:flex;gap:1.6rem}
.nav ul a{font:400 .95rem/1 var(--sans);color:var(--ink-2);text-decoration:none}
.nav ul a:hover{color:var(--ink);text-decoration:underline}
.nav .btn{min-height:40px;padding:.5rem 1rem;font-size:.9rem}
@media (max-width:860px){.nav nav{display:none}}

/* hero: text left, a tall photograph right */
.hero{padding-block:clamp(1.5rem,4vw,3.5rem) 0}
.hero .wrap{display:grid;grid-template-columns:5fr 6fr;gap:clamp(2rem,5vw,5rem);align-items:end}
.hero-text{padding-bottom:clamp(0rem,3vw,2.5rem)}
.kicker{font:500 .95rem/1.3 var(--sans);color:var(--ink-2)}
.hero h1{font-size:clamp(2.6rem,5vw,4.6rem);line-height:1;letter-spacing:-.03em;margin-top:1.25rem}
.hero h1 em{display:block;font-style:normal}
.lede{font-size:1.15rem;max-width:32rem;margin-top:1.75rem}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.5rem;margin-top:2.1rem}
.cta .btn.ghost{border:0;padding-inline:0;min-height:0;text-decoration:underline;text-underline-offset:.25em}
.cta .btn.ghost:hover{background:none;color:var(--ink);text-decoration-thickness:2px}
.fine{margin-top:1.25rem;font:400 .85rem/1.45 var(--sans);color:var(--ink-3)}
.hero-photo img{width:100%;aspect-ratio:4/5;max-height:calc(100vh - 140px);object-fit:cover;object-position:50% 30%}
@media (max-width:760px){
  .hero{padding-top:0}
  .hero .wrap{grid-template-columns:1fr;padding-inline:0;gap:1.75rem}
  .hero-text{padding-inline:20px;padding-bottom:0}
  .hero-photo{order:-1}
  .hero-photo img{aspect-ratio:1;max-height:none}
  .hero-photo figcaption{padding-inline:20px}
}

/* proof */
.proof{padding-block:clamp(2.5rem,5vw,4rem) 0}
.proof ul{display:grid;grid-template-columns:repeat(5,1fr);gap:1.25rem 2rem;padding-top:1.25rem;position:relative;font:400 .9rem/1.45 var(--sans);color:var(--ink-2)}
.proof ul::before{content:"";position:absolute;top:0;left:clamp(20px,4vw,48px);right:clamp(20px,4vw,48px);border-top:1px solid var(--ink)}
.proof b{font-weight:500;color:var(--ink)}
@media (max-width:960px){.proof ul{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.proof ul{grid-template-columns:1fr 1fr}}

/* who: the heading holds still on the left while the three readers scroll past */
.who .wrap{display:grid;grid-template-columns:5fr 7fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.who .sec-head{position:sticky;top:110px}
.profile{padding-block:1.6rem;border-top:1px solid var(--rule)}
.profile:first-child{border-top-color:var(--ink);padding-top:1.25rem}
.profile h3{font-size:1.35rem;margin-bottom:.6rem}
.profile p{color:var(--ink-2)}
@media (max-width:760px){.who .wrap{grid-template-columns:1fr}.who .sec-head{position:static}}

/* how */
.how{padding-top:0}
.how .sec-head{max-width:40rem}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:2rem 3rem;margin-top:2.5rem}
.steps li{counter-increment:s;padding-top:1.25rem;border-top:1px solid var(--ink)}
.steps li::before{content:counter(s);display:block;font:300 3.2rem/1 var(--sans);letter-spacing:-.03em;margin-bottom:1.25rem}
.steps h3{margin-bottom:.55rem}
.steps p{color:var(--ink-2);font-size:1rem}
.includes{display:grid;grid-template-columns:repeat(3,1fr);gap:0 3rem;margin-top:3rem;font:400 .95rem/1.4 var(--sans);color:var(--ink-2)}
.includes li{padding:.7rem 0;border-top:1px solid var(--rule)}
@media (max-width:760px){.steps,.includes{grid-template-columns:1fr}}

/* watch */
.watch{padding-top:0}
.vids{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem 1.75rem;margin-top:2.5rem}
.v.lead{grid-column:1/-1}
.frame{position:relative;display:block;aspect-ratio:16/9;background:#000;overflow:hidden}
.frame img{width:100%;height:100%;object-fit:cover}
.frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.play{position:absolute;left:0;bottom:0;width:64px;height:64px;background:var(--ink);transition:width .15s ease-out,height .15s ease-out}
.play::after{content:"";position:absolute;left:50%;top:50%;margin:-10px 0 0 -6px;border-style:solid;border-width:10px 0 10px 16px;border-color:transparent transparent transparent #fff}
.frame:hover .play{width:76px;height:76px}
.v.lead .play{width:84px;height:84px}
.v.lead .frame:hover .play{width:96px;height:96px}
.v figcaption{margin-top:.75rem;font-size:.9rem}
.v figcaption b{display:block;font-weight:500;font-size:1.05rem;color:var(--ink)}
.v.lead figcaption b{font-size:1.25rem}
@media (max-width:760px){.vids{grid-template-columns:1fr}}

/* story: a full-width photograph, then a magazine reading column */
.story{padding-top:0}
.story-grid{display:block}
.story-photo img{width:100%;aspect-ratio:2/1;object-fit:cover;object-position:50% 35%}
.story-text{max-width:40rem;margin:clamp(2.5rem,6vw,4.5rem) auto 0}
.story-text h2{font-size:clamp(2.1rem,4vw,3.4rem);margin-bottom:2rem}
.story-text>p+p{margin-top:1.15rem}
.pull{margin:2.5rem 0}
.pull blockquote p{font-style:italic;font-size:clamp(1.4rem,2.6vw,1.85rem);line-height:1.35}
.pull figcaption{margin-top:.8rem;font-size:.85rem}
@media (min-width:1100px){.pull{margin-inline:-6rem}}
.names{margin-top:2.5rem;padding-top:1.25rem;border-top:1px solid var(--ink)}
.names p:last-child{font:400 .98rem/1.6 var(--sans);color:var(--ink-2)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1.75rem;margin-top:clamp(3.5rem,7vw,5.5rem);align-items:start}
.gallery img{width:100%;aspect-ratio:3/2;object-fit:cover}
@media (max-width:760px){
  .story-photo img{aspect-ratio:3/2}
  .story .wrap:first-child{padding-inline:0}
  .story-photo figcaption{padding-inline:20px}
  .story-text{padding-inline:20px}
  .gallery{grid-template-columns:1fr;gap:1.5rem}
}

/* pricing */
.pricing{padding-top:0}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem 3rem;margin-top:2.75rem}
.tier{display:flex;flex-direction:column;gap:.85rem;padding-top:1.25rem;border-top:1px solid var(--ink)}
.tier.best{border-top-width:5px;padding-top:calc(1.25rem - 4px)}
.badge{font:500 .85rem/1.3 var(--sans);margin-bottom:-.35rem}
.tier h3{font-size:1.3rem}
.price{font:500 3rem/1.1 var(--sans);letter-spacing:-.03em;font-variant-numeric:tabular-nums;display:flex;flex-wrap:wrap;align-items:baseline;gap:.25rem .6rem}
.price small{font:400 1rem/1 var(--sans);letter-spacing:0;color:var(--ink-2);white-space:nowrap}
.tier ul{font-size:1rem;color:var(--ink-2)}
.tier li+li{margin-top:.35rem;padding-top:.35rem;border-top:1px solid var(--rule)}
.tier .btn{margin-top:auto;align-self:flex-start}
.guarantee{margin-top:2.75rem;max-width:42rem}
@media (max-width:760px){.tiers{grid-template-columns:1fr}}

/* students */
.students{padding-top:0}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:1.75rem;margin-top:2.5rem}
.quote blockquote p{font-style:italic;font-size:1.2rem;line-height:1.5}
.quote figcaption{margin-top:1rem;font-size:.9rem}
@media (max-width:860px){.quotes{grid-template-columns:1fr}}

/* faq: heading left, questions right */
.faq{padding-top:0}
.faq .wrap{display:grid;grid-template-columns:5fr 7fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.faq .list{border-bottom:1px solid var(--rule)}
.faq details{border-top:1px solid var(--rule)}
.faq details:first-child{border-top-color:var(--ink)}
.faq summary{display:flex;justify-content:space-between;gap:1rem;padding:1.1rem 0;cursor:pointer;list-style:none;font:500 1.1rem/1.35 var(--sans)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:300;font-size:1.6rem;line-height:.8}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink-2);padding-bottom:1.3rem}
@media (max-width:760px){.faq .wrap{grid-template-columns:1fr}}

/* book */
.book{padding-top:clamp(3.5rem,8vw,6rem);border-top:1px solid var(--ink)}
.book .wrap{display:grid;grid-template-columns:5fr 7fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.contact h2{font-size:clamp(2.1rem,4vw,3.4rem)}
.mail{margin-top:1.75rem;font:500 clamp(1.15rem,2vw,1.45rem)/1.3 var(--sans);overflow-wrap:anywhere}
.socials{display:flex;gap:1.5rem;margin-top:1.25rem;font:400 1rem/1 var(--sans)}
.form{display:grid;gap:1.25rem}
.form label{display:grid;gap:.45rem;font:500 .9rem/1.3 var(--sans)}
.form input,.form select,.form textarea{width:100%;min-width:0;padding:.75rem .8rem;background:#fff;color:var(--ink);border:1px solid #9a9a9a;border-radius:0;font:400 1rem/1.4 var(--sans)}
.form input::placeholder,.form textarea::placeholder{color:#8a8a8a}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.form .note{font:400 .88rem/1.4 var(--sans);color:var(--ink-3)}
.form .btn{justify-self:start}
.form .ok{padding:1rem;border:1px solid var(--ink);font-size:1rem}
@media (max-width:760px){.book .wrap{grid-template-columns:1fr}}
@media (max-width:480px){.form .row{grid-template-columns:1fr}}

/* footer */
footer.site{padding-block:2.5rem 3rem;border-top:1px solid var(--rule);font:400 .85rem/1.5 var(--sans);color:var(--ink-3)}
footer.site .wrap{display:grid;gap:.4rem}
footer.site .proto{margin-top:.75rem;padding:.85rem 1rem;background:#f4f4f4;color:var(--ink-2);max-width:52rem}

/* placeholders: the same yellow marks in all three examples */
.ph-block{outline:1.5px dashed #c9a800;outline-offset:0;padding:1.25rem 1.4rem;background:#fffbe0}
.ph-tag{display:inline-block;margin-bottom:.9rem;padding:.2rem .5rem;background:var(--ph);color:#121110;font:500 .78rem/1.35 var(--sans);font-style:normal}
.ph{background:var(--ph);padding:0 .1em}
.ph::after{content:"placeholder";display:inline-block;vertical-align:1em;margin-left:.4rem;padding:.1rem .35rem;background:var(--ph);color:#121110;font:500 .7rem/1.3 var(--sans);letter-spacing:0}

@media print{.examples,.nav,.btn,.form,.play{display:none}}