/* ============================================================
   InboundLi — light / pastel / minimal design system
   Shared by every page (index, services, case-studies, reports).
   Black & white "il" logo; soft pastel accents; airy + modern.
   ============================================================ */
:root{
  --bg:#FCFBFF;
  --surface:#FFFFFF;
  --ink:#1A1823;         /* near-black, matches the logo */
  --muted:#6C6976;
  --faint:#9A97A6;
  --line:#ECEAF4;
  --accent:#6C5CE7;      /* periwinkle */
  --accent-2:#F27EA6;    /* soft pink */
  --accent-soft:#EFEBFF;
  --lav:#F3F0FF;
  --sky:#E9F1FF;
  --mint:#E6F7EF;
  --blush:#FDEDF4;
  --butter:#FFF5E4;
  --up:#12A150;
  --down:#E5484D;
  --radius:18px;
  --maxw:1120px;
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
::selection{background:var(--accent);color:#fff}

/* ---------- type ---------- */
h1{font-size:clamp(2.4rem,5.5vw,3.9rem);line-height:1.06;letter-spacing:-.03em;font-weight:800}
h2{font-size:clamp(1.8rem,3.8vw,2.7rem);line-height:1.12;letter-spacing:-.025em;font-weight:800}
h3{font-size:1.28rem;font-weight:700;letter-spacing:-.01em}
.accent-word{color:var(--accent)}
.eyebrow{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);padding:7px 14px;border-radius:100px;margin-bottom:20px}
.sub{color:var(--muted);font-size:clamp(1.05rem,1.9vw,1.22rem);line-height:1.6;max-width:58ch}
.section-sub{color:var(--muted);font-size:1.06rem;line-height:1.65;max-width:62ch;margin-top:14px}
.lead{color:var(--muted);font-size:1.06rem;line-height:1.65}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:1rem;padding:14px 26px;border-radius:100px;
  border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#000;transform:translateY(-1px);box-shadow:0 10px 26px rgba(26,24,35,.18)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(108,92,231,.24)}
.btn-accent:hover{background:#5b4bd6;transform:translateY(-1px)}
.btn-soft{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-soft:hover{border-color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}
.btn-gold{background:var(--accent);color:#fff}
.btn-gold:hover{background:#5b4bd6}
.link-arrow{font-weight:700;font-size:.9rem;color:var(--accent);display:inline-flex;gap:8px;align-items:center;transition:gap .2s ease}
.link-arrow:hover{gap:14px}

/* ---------- logo (B&W "il") ---------- */
.logo{display:flex;align-items:center;gap:11px}
.logo-mark{width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;
  font-family:var(--serif);font-weight:700;font-size:1.15rem;line-height:1}
.logo-word{font-family:var(--serif);font-weight:700;font-size:1.28rem;color:var(--ink);letter-spacing:-.01em}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(252,251,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{color:var(--muted);font-weight:500;font-size:.97rem}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-cta{background:var(--ink);color:#fff!important;padding:10px 20px;border-radius:100px;font-weight:600}
.nav-cta:hover{background:var(--accent)}
.nav-burger{display:none;background:none;border:0;color:var(--ink);font-size:1.5rem;cursor:pointer}

/* ---------- sections ---------- */
section.block{padding:82px 0}
.sec-white{background:var(--surface)}
.block.soft,.sec-soft{background:var(--lav)}
.sec-sky{background:var(--sky)}
.sec-mint{background:var(--mint)}
.sec-blush{background:var(--blush)}
.sec-dark{background:var(--lav);padding:82px 0}      /* repurposed: pastel, not dark */
.sec-cream{background:var(--lav);padding:82px 0}
.head-center{text-align:center;max-width:720px;margin:0 auto 48px}
.head-center .section-sub{margin-inline:auto}
.rule{width:50px;height:2px;background:var(--accent);border:0;margin:16px 0}
.rule.center{margin-inline:auto}

/* ---------- hero ---------- */
.hero{background:linear-gradient(160deg,var(--lav) 0%,var(--sky) 55%,var(--bg) 100%);padding:92px 0 80px;text-align:center;position:relative;overflow:hidden}
.hero h1{max-width:17ch;margin-inline:auto}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .sub{margin:24px auto 0;text-align:center;color:var(--muted)}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:16px 42px;margin-top:52px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stat{display:flex;flex-direction:column;gap:2px}
.hero-stat b{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.hero-stat span{font-size:.85rem;color:var(--muted)}

/* ---------- clients strip ---------- */
.clients{background:var(--surface);padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.clients-in{display:flex;align-items:center;justify-content:center;gap:12px 36px;flex-wrap:wrap}
.clients-label{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);width:100%;text-align:center;margin-bottom:6px}
.client-name{font-weight:700;color:var(--ink);font-size:1rem;opacity:.72}
.client-name:hover{opacity:1}

/* ---------- services ---------- */
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px}
.svc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;
  transition:transform .18s ease,box-shadow .18s ease}
.svc:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(26,24,35,.08)}
.svc.t-lav{background:var(--lav)}.svc.t-sky{background:var(--sky)}.svc.t-mint{background:var(--mint)}
.svc.t-blush{background:var(--blush)}.svc.t-butter{background:var(--butter)}
.svc-tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);background:rgba(108,92,231,.1);padding:6px 12px;border-radius:100px;margin-bottom:16px}
.svc h3{font-size:1.35rem;margin-bottom:8px}
.svc p{color:var(--muted);font-size:.98rem;margin-bottom:16px}
.svc-list{list-style:none;display:grid;gap:10px}
.svc-list li{position:relative;padding-left:24px;font-size:.96rem;color:var(--ink)}
.svc-list li::before{content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--accent-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236C5CE7' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:10px;background-repeat:no-repeat;background-position:center}
.svc-list li b{font-weight:700}

/* ---------- case cards ---------- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.case:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(26,24,35,.09)}
.case-tag{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.case-name{font-size:1.2rem;font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.case-hero-metric{font-size:1.85rem;font-weight:800;letter-spacing:-.03em;line-height:1.1;color:var(--accent)}
.case-hero-label{font-size:.9rem;color:var(--muted);margin:4px 0 16px}
.case-metrics{list-style:none;display:grid;gap:9px;border-top:1px solid var(--line);padding-top:14px;margin-bottom:14px}
.case-metrics li{display:flex;justify-content:space-between;gap:12px;font-size:.9rem}
.case-metrics li span{color:var(--muted)}
.case-metrics li b{font-weight:700;text-align:right}
.case-desc{font-size:.95rem;color:var(--muted);margin-bottom:14px}
.case .link-arrow{margin-top:auto}

/* ---------- data chart ---------- */
.chart-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px 34px}
.bars{display:grid;gap:16px}
.bar-row{display:grid;grid-template-columns:170px 1fr;align-items:center;gap:16px}
.bar-name{font-size:.92rem;font-weight:600}
.bar-track{position:relative;height:28px;background:var(--lav);border-radius:8px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:8px;
  display:flex;align-items:center;justify-content:flex-end;padding-right:12px;min-width:44px}
.bar-val{font-size:.85rem;font-weight:800;color:#fff}
.chart-note{font-size:.78rem;color:var(--faint);margin-top:18px}

/* ---------- numbers band ---------- */
.numbers{background:var(--lav);padding:82px 0}
.num-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px 24px;text-align:center}
.num b{display:block;font-size:2.5rem;font-weight:800;letter-spacing:-.03em;color:var(--accent)}
.num span{color:var(--muted);font-size:.92rem;margin-top:6px;display:block}

/* ---------- testimonials ---------- */
.tcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.tcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px;display:flex;flex-direction:column}
.tcard-quote{font-size:1rem;line-height:1.6;color:var(--ink)}
.tcard-quote::before{content:"“";font-family:var(--serif);font-size:2rem;color:var(--accent);line-height:0;vertical-align:-.3em;margin-right:3px}
.tcard-cite{margin-top:auto;padding-top:16px;font-size:.82rem;font-weight:700;letter-spacing:.04em;color:var(--muted)}
.tfeature{max-width:820px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:42px 44px;text-align:center;box-shadow:0 16px 40px rgba(26,24,35,.05)}
.tfeature p{font-size:clamp(1.2rem,2.2vw,1.5rem);line-height:1.5;font-weight:500;color:var(--ink)}
.tfeature p::before{content:"“";font-family:var(--serif);color:var(--accent)}
.tfeature cite{display:block;margin-top:20px;font-style:normal;font-weight:700;color:var(--muted);font-size:.92rem}

/* ---------- final CTA ---------- */
.final{background:linear-gradient(160deg,var(--blush),var(--lav));padding:82px 0;text-align:center}
.final h2{max-width:18ch;margin:0 auto 14px}
.final .section-sub{margin:0 auto 28px;text-align:center}
.check-row{display:flex;gap:10px 26px;justify-content:center;flex-wrap:wrap;margin-top:24px;color:var(--muted);font-size:.9rem}
.check-row span::before{content:"✦";color:var(--accent);margin-right:8px}

/* ---------- footer ---------- */
footer{background:var(--surface);border-top:1px solid var(--line);padding:40px 0;color:var(--muted)}
.foot-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot-copy{font-size:.85rem;color:var(--faint)}

/* ---------- case-study detail page ---------- */
.cs-hero{background:linear-gradient(160deg,var(--lav),var(--sky));padding:56px 0 60px}
.cs-back{font-size:.85rem;font-weight:600;color:var(--accent)}
.cs-back:hover{color:var(--ink)}
.cs-hero .kicker{color:var(--accent)}
.cs-hero h1{margin:20px 0 0;max-width:20ch;color:var(--ink)}
.kicker{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.cs-meta{display:flex;gap:32px;flex-wrap:wrap;margin-top:28px;border-top:1px solid var(--line);padding-top:24px}
.cs-meta div span{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.cs-meta div b{font-size:1.4rem;font-weight:800;letter-spacing:-.02em;color:var(--accent)}
.cs-body{padding:66px 0}
.cs-cols{display:grid;grid-template-columns:1fr;gap:32px;max-width:760px;margin:0 auto}
.cs-cols h2{font-size:clamp(1.5rem,3vw,2rem);margin-top:6px}
.cs-cols h3{margin-top:6px;font-size:1.2rem}
.cs-cols p{color:var(--muted);margin-top:10px}
.cs-cols ul{color:var(--muted);padding-left:22px;display:grid;gap:9px;margin-top:12px}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:16px 0}
.stat-tile{background:var(--lav);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;text-align:center}
.stat-tile b{display:block;font-size:1.9rem;font-weight:800;letter-spacing:-.02em;color:var(--accent)}
.stat-tile span{font-size:.82rem;color:var(--muted);margin-top:4px;display:block}
.shot{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--lav);margin-top:12px}
.shot .imgslot{aspect-ratio:16/8}
.shot-cap{font-size:.78rem;color:var(--faint);padding:12px 16px}
.imgslot{position:relative;width:100%;background:repeating-linear-gradient(135deg,#F1EEFC,#F1EEFC 14px,#F8F6FF 14px,#F8F6FF 28px);
  display:grid;place-items:center}
.imgslot::after{content:attr(data-label);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);text-align:center;padding:0 14px}
.imgslot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.growth-chips{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:.9rem;color:var(--muted)}
.growth-chips b{font-weight:800;color:var(--ink);font-size:1.05rem}
.growth-arrow{color:var(--accent);font-weight:800}
.cta-inner{max-width:720px;margin:0 auto;text-align:center}

/* ---------- responsive ---------- */
@media(max-width:900px){.cases,.num-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--surface);flex-direction:column;gap:0;
    padding:8px 0;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 24px;width:100%}
  .nav-burger{display:block}
  .services,.cases,.num-grid{grid-template-columns:1fr}
  section.block,.sec-dark,.sec-cream,.numbers,.final{padding:56px 0}
  .hero{padding:64px 0 54px}
  .bar-row{grid-template-columns:110px 1fr}
  .stat-row{grid-template-columns:1fr}
  .cs-meta{gap:20px}
}