/* ============================================================
   analambert.com — design system
   Palette, type, and components. One file for the whole site.
   ============================================================ */

:root{
  --ink:#0B0B14;
  --blue:#1A1AE6;
  --blue-deep:#10109E;
  --navy:#0A0A5C;
  --tint:#E3F6F2;
  --mid:#7FDFCC;
  --paper:#FAFAF8;
  --rule:rgba(11,11,20,.14);
  --disp:'Archivo',sans-serif;
  --body:'Instrument Sans',sans-serif;
  --mono:'IBM Plex Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.55;font-size:16px}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
a:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
img{max-width:100%;display:block;border-radius:12px}

/* ---------- nav ---------- */
nav{position:sticky;top:0;background:var(--paper);border-bottom:1px solid var(--rule);z-index:10}
.nav-in{display:flex;justify-content:space-between;align-items:center;height:64px}
.logo{font-family:var(--disp);font-weight:800;font-stretch:110%;font-size:17px;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.logo span{color:var(--blue)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:14px;font-weight:500;color:var(--ink);text-decoration:none}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--blue)}
.nav-cta{font-family:var(--mono);font-size:12px;border:1px solid var(--ink);padding:8px 14px;border-radius:100px}
.nav-cta:hover{background:var(--ink);color:#fff!important}

/* ---------- hero ---------- */
header.site-hero{border-bottom:1px solid var(--rule);position:relative;overflow:hidden}
.hero{padding:88px 0 72px;position:relative}
.kicker{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:22px;display:flex;align-items:center;gap:10px}
.kicker::before{content:"";width:34px;height:1px;background:var(--blue)}
h1{font-family:var(--disp);font-weight:850;font-stretch:120%;font-size:clamp(42px,7vw,84px);line-height:.98;letter-spacing:-.025em;max-width:13ch}
h1 em{font-style:normal;color:var(--blue)}
.hero-sub{margin-top:26px;font-size:19px;max-width:52ch;color:#3a3a46}
.hero-sub b{color:var(--ink)}
.tokens{position:absolute;right:32px;top:96px;display:flex;flex-direction:column;gap:10px;font-family:var(--mono);font-size:11.5px;color:#55555f}
.token{display:flex;align-items:center;gap:10px;border:1px solid var(--rule);background:#fff;border-radius:8px;padding:8px 12px}
.swatch{width:16px;height:16px;border-radius:4px;background:var(--blue)}
.swatch.ink{background:var(--ink)}
.swatch.tint{background:var(--tint);border:1px solid var(--rule)}
.token .aa{font-family:var(--disp);font-weight:850;font-size:14px;color:var(--ink)}
@media(max-width:900px){.tokens{display:none}}

/* ---------- scale strip ---------- */
.strip{background:var(--navy);color:#fff}
.strip-in{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 24px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:none;padding-left:0}
.stat .n{font-family:var(--disp);font-weight:850;font-stretch:115%;font-size:34px;letter-spacing:-.02em}
.stat .n span{color:var(--mid)}
.stat .l{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-top:2px}
@media(max-width:760px){.strip-in{grid-template-columns:repeat(2,1fr)}.stat{padding-left:0;border-left:none}}

/* ---------- sections ---------- */
section{padding:84px 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:44px;gap:16px;flex-wrap:wrap}
h2{font-family:var(--disp);font-weight:850;font-stretch:118%;font-size:clamp(28px,4vw,44px);letter-spacing:-.02em}
.sec-note{font-family:var(--mono);font-size:12.5px;color:#6a6a74}

/* ---------- case cards ---------- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:900px){.cases{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--rule);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.card:hover,.card:focus-visible{transform:translateY(-4px);box-shadow:0 14px 34px rgba(16,16,158,.13)}
.card-thumb{aspect-ratio:16/10;background:var(--tint);object-fit:cover;border-radius:0}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--blue-deep);background:var(--tint);border-radius:100px;padding:4px 10px}
h3{font-family:var(--disp);font-weight:750;font-stretch:108%;font-size:19.5px;line-height:1.22;letter-spacing:-.01em}
.result{font-size:14.5px;color:#4a4a55}
.go{margin-top:auto;font-family:var(--mono);font-size:12px;color:var(--blue);padding-top:6px}

/* ---------- flagship card ---------- */
.flag{margin-top:24px;background:var(--blue);border-radius:16px;color:#fff;display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden;text-decoration:none;transition:transform .18s ease}
.flag:hover{transform:translateY(-4px)}
@media(max-width:900px){.flag{grid-template-columns:1fr}}
.flag-txt{padding:40px 44px}
.flag-k{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mid);margin-bottom:14px}
.flag h3{color:#fff;font-size:clamp(22px,3vw,30px);max-width:20ch}
.flag p{margin-top:12px;font-size:15.5px;color:#E6FAF5;max-width:46ch}
.flag .go{color:#fff}
.flag-vis{background:var(--navy);padding:36px;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.brandtile{width:74px;height:74px;border-radius:12px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;font-family:var(--disp);font-weight:850;font-size:13px;color:#fff}
.brandtile.lit{background:#fff;color:var(--blue)}

/* ---------- about ---------- */
.about{background:#fff;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
@media(max-width:900px){.about-grid{grid-template-columns:1fr}}
.about .lede{font-family:var(--disp);font-weight:700;font-stretch:105%;font-size:clamp(22px,3vw,30px);line-height:1.25;letter-spacing:-.015em}
.about .lede em{font-style:normal;color:var(--blue)}
.about p{margin-top:18px;color:#3a3a46}
.photo{aspect-ratio:4/5;border-radius:14px;object-fit:cover}

/* ---------- cta + footer ---------- */
.cta{padding:96px 0}
.cta h2{max-width:18ch}
.cta-btn{display:inline-flex;align-items:center;gap:10px;margin-top:28px;background:var(--blue);color:#fff;text-decoration:none;font-weight:600;font-size:15.5px;padding:15px 26px;border-radius:100px;transition:background .15s ease}
.cta-btn:hover{background:var(--blue-deep)}
footer{border-top:1px solid var(--rule);padding:28px 0;font-family:var(--mono);font-size:12px;color:#6a6a74}
.foot-in{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer a{color:#6a6a74}
footer a:hover{color:var(--blue)}

/* ============================================================
   Case study pages
   ============================================================ */
.cs-hero{border-bottom:1px solid var(--rule);padding:72px 0 56px}
.cs-hero h1{font-size:clamp(34px,5vw,58px);max-width:18ch}
.cs-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;background:var(--tint);border-radius:14px;padding:26px 28px}
@media(max-width:760px){.cs-meta{grid-template-columns:repeat(2,1fr)}}
.cs-meta .k{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-deep)}
.cs-meta .v{font-weight:600;margin-top:3px;font-size:14.5px}
.cs-body{max-width:760px;margin:0 auto;padding:64px 32px}
.cs-body h2{font-size:clamp(24px,3vw,32px);margin:56px 0 16px}
.cs-body h2:first-child{margin-top:0}
.cs-body p{margin-bottom:16px;color:#2e2e38}
.cs-body ul{margin:0 0 16px 20px;color:#2e2e38}
.cs-body li{margin-bottom:8px}
.pull{border-left:3px solid var(--blue);padding:6px 0 6px 22px;font-family:var(--disp);font-weight:700;font-size:21px;line-height:1.3;margin:36px 0;color:var(--ink)}
.cs-fig{margin:36px 0}
.cs-fig figcaption{font-family:var(--mono);font-size:12px;color:#6a6a74;margin-top:10px}
.cs-fig.full{max-width:1200px;margin-left:auto;margin-right:auto}
.next{background:var(--navy);color:#fff;text-decoration:none;display:block}
.next .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:44px;padding-bottom:44px;gap:16px;flex-wrap:wrap}
.next .k{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--mid)}
.next .t{font-family:var(--disp);font-weight:800;font-size:clamp(20px,3vw,30px);margin-top:6px}
.next:hover .t{color:var(--mid)}

/* ============================================================
   Motion — added July 2026
   All effects collapse under prefers-reduced-motion.
   ============================================================ */

body{transition:background-color .6s ease}

/* nav gains weight after scroll */
nav{transition:box-shadow .25s ease,background-color .25s ease}
nav.scrolled{background:rgba(250,250,248,.85);backdrop-filter:saturate(160%) blur(10px);box-shadow:0 1px 0 var(--rule)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

/* hero headline word stagger */
h1 .w{display:inline-block;opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s cubic-bezier(.22,.61,.36,1)}
h1.lit .w{opacity:1;transform:none}
/* marker sweep behind the blue phrase */
h1 em{position:relative;display:inline-block}
h1 em::before{content:"";position:absolute;left:-.06em;right:-.06em;top:.12em;bottom:.12em;background:var(--tint);transform:scaleX(0);transform-origin:left center;z-index:-1;border-radius:3px;transition:transform .75s cubic-bezier(.22,.61,.36,1) .6s}
h1.lit em::before{transform:scaleX(1)}

/* card image zoom on hover */
.card-thumb{transition:transform .45s cubic-bezier(.22,.61,.36,1)}
.card{overflow:hidden}
.card:hover .card-thumb,.card:focus-visible .card-thumb{transform:scale(1.03)}

/* flagship brand tiles drift */
@keyframes drift{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.brandtile{animation:drift 5s ease-in-out infinite}
.brandtile:nth-child(2){animation-duration:6.2s;animation-delay:-1.4s}
.brandtile:nth-child(3){animation-duration:4.6s;animation-delay:-2.6s}
.brandtile:nth-child(4){animation-duration:5.8s;animation-delay:-.7s}
.brandtile:nth-child(5){animation-duration:6.6s;animation-delay:-3.1s}
.brandtile:nth-child(6){animation-duration:5.2s;animation-delay:-1.9s}
.flag-vis:hover .brandtile{animation-play-state:paused}

/* bigger next-case-study arrow */
.next .arrow{font-family:var(--mono);font-size:38px;line-height:1;color:var(--mid);transition:transform .3s cubic-bezier(.22,.61,.36,1)}
.next:hover .arrow{transform:translateX(8px)}

@media (prefers-reduced-motion:reduce){
  .reveal,.reveal.in{opacity:1;transform:none;transition:none}
  h1 .w{opacity:1;transform:none}
  h1 em::before{transform:scaleX(1);transition:none}
  .brandtile{animation:none}
  body{transition:none}
  .card:hover .card-thumb{transform:none}
}

/* ============================================================
   Motion layer
   ============================================================ */
body{background:var(--page-bg,var(--paper));transition:background-color .6s ease}
.about{background:transparent}

/* reveals */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* hero entrance */
@keyframes heroIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero-in{opacity:0;animation:heroIn .8s cubic-bezier(.2,.7,.3,1) forwards}
.hero h1 em{background-image:linear-gradient(var(--tint),var(--tint));background-repeat:no-repeat;background-position:0 88%;background-size:0 34%;transition:background-size .7s cubic-bezier(.4,0,.2,1)}
.hero h1 em.swept{background-size:100% 34%}

/* nav on scroll */
nav{transition:background-color .3s ease,box-shadow .3s ease}
nav.scrolled{background:rgba(250,250,248,.82);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);box-shadow:0 1px 0 var(--rule)}

/* card image zoom */
.card{will-change:transform}
.card-thumb{transition:transform .45s cubic-bezier(.2,.7,.3,1)}
.card:hover .card-thumb{transform:scale(1.03)}

/* floating brand tiles */
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.brandtile{animation:floatY 5s ease-in-out infinite}
.brandtile:nth-child(2){animation-duration:6s;animation-delay:-1.4s}
.brandtile:nth-child(3){animation-duration:4.6s;animation-delay:-2.2s}
.brandtile:nth-child(4){animation-duration:5.6s;animation-delay:-.7s}
.brandtile:nth-child(5){animation-duration:6.4s;animation-delay:-3.1s}
.brandtile:nth-child(6){animation-duration:5.2s;animation-delay:-1.9s}
.flag-vis:hover .brandtile{animation-play-state:paused}

/* bigger next-case arrow */
.next .wrap>.k:last-child{font-family:var(--body);font-size:44px;line-height:1;color:#fff;transition:transform .25s ease}
.next:hover .wrap>.k:last-child{transform:translateX(8px)}

@media (prefers-reduced-motion:reduce){
  body,.reveal,.card-thumb,.next .wrap>.k:last-child{transition:none}
  .reveal{opacity:1;transform:none}
  .hero-in{opacity:1;animation:none}
  .hero h1 em{background-size:100% 34%;transition:none}
  .brandtile{animation:none}
}

/* case study subheads */
.cs-body h3{font-family:var(--disp);font-weight:750;font-stretch:108%;font-size:20px;letter-spacing:-.01em;margin:34px 0 10px}


/* ============================================================
   Mobile refinements
   ============================================================ */
@media (max-width:760px){
  .hero{padding:64px 0 56px}
  .hero .wrap,.wrap.hero{padding-left:40px;padding-right:40px}
  .cs-hero{padding:56px 0 44px}
  .cs-hero .wrap{padding-left:40px;padding-right:40px}
  h1{font-size:clamp(36px,9vw,52px)}
  .cs-hero h1{font-size:clamp(30px,7.6vw,42px)}
  .hero-sub{font-size:17px}
  .cs-meta{grid-template-columns:1fr 1fr;gap:18px;padding:22px}
  .cs-body{padding:48px 28px}
  section{padding:64px 0}
  .flag-txt{padding:32px 28px}
  .about-grid{gap:36px}
  h1,h2,h3,.flag h3{overflow-wrap:break-word}
}
@media (max-width:430px){
  .cs-meta{grid-template-columns:1fr}
}
body{overflow-x:hidden}