/* ============================================================
   Refari Brand Hub — shared design system
   Evolved palette: deep blue + bright teal, on Lato + Source Sans Pro.
   ============================================================ */
:root{
  /* core palette */
  --blue:#0074BC;        /* Refari Blue — primary */
  --blue-dark:#005a91;
  --teal:#4CF8EE;        /* Bright Teal — signature accent */
  --cyan:#24b3d5;        /* Cyan — secondary accent / gradient bridge */
  --ink:#222C36;         /* Ink — primary dark */
  --deep:#0A2F4A;        /* Deep Sea — gradient anchor */
  --slate:#3C4856;       /* Slate — secondary text on light */
  --mist:#F3F5F7;        /* Mist — light surface bg */
  --cloud:#E3E8EE;       /* Cloud — borders */
  --white:#ffffff;

  --text:#2b333c;
  --muted:#6b7785;
  --muted-2:#9aa6b2;
  --border:#e3e8ee;
  --border-soft:#eceff1;
  --surface:#ffffff;
  --bg:#f3f5f7;

  --shadow-sm:0 1px 3px rgba(34,44,54,.08),0 1px 2px rgba(34,44,54,.04);
  --shadow-md:0 8px 30px rgba(34,44,54,.10),0 2px 8px rgba(34,44,54,.05);
  --shadow-lg:0 24px 60px rgba(10,24,36,.18);

  --radius:14px; --radius-sm:9px; --radius-xs:6px;
  --topbar-h:64px;
  --maxw:1180px;

  --font-head:'Lato',-apple-system,'Segoe UI',Arial,sans-serif;
  --font-body:'Source Sans Pro',-apple-system,'Segoe UI',Helvetica,Arial,sans-serif;
  --font-mono:'Roboto Mono',ui-monospace,Consolas,Menlo,monospace;

  /* signature gradient (matches integrate.refari.dev) */
  --hero-grad:
    radial-gradient(1100px 700px at 86% 120%, rgba(0,116,188,.55) 0%, rgba(0,116,188,0) 60%),
    radial-gradient(900px 600px at -6% -16%, rgba(76,248,238,.10) 0%, rgba(76,248,238,0) 55%),
    linear-gradient(125deg, #0b1f2e 0%, #102c44 46%, #0a3a5e 100%);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--text);background:var(--bg);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{font-family:var(--font-head);color:var(--ink);margin:0 0 .5em;line-height:1.18;font-weight:700;letter-spacing:-.01em}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:60;height:var(--topbar-h);
  background:rgba(11,26,38,.86);backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08)}
.topbar .inner{max-width:var(--maxw);margin:0 auto;height:100%;width:100%;padding:0 24px;display:flex;align-items:center;gap:18px}
.topbar .brand{display:flex;align-items:center;gap:13px}
.topbar .logo{height:25px;width:auto;display:block}
.topbar .tag{font-family:var(--font-head);font-weight:700;font-size:13px;color:#9fc6e2;
  padding-left:13px;border-left:1px solid rgba(255,255,255,.2);letter-spacing:.2px}
.topbar .spacer{flex:1}
.topbar nav{display:flex;align-items:center;gap:4px}
.topbar nav a{font-family:var(--font-head);font-weight:700;font-size:13.5px;color:#cfe0ee;
  padding:8px 13px;border-radius:var(--radius-xs);letter-spacing:.1px}
.topbar nav a:hover{background:rgba(255,255,255,.08);text-decoration:none;color:#fff}
.topbar nav a.active{color:var(--ink);background:var(--teal)}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer;padding:6px}
.topbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;pointer-events:none;
  background:linear-gradient(90deg,var(--teal),var(--cyan) 45%,var(--blue))}
.topbar .tag{text-decoration:none}
.topbar .tag:hover{color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--hero-grad);color:#fff}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;
  background:linear-gradient(90deg,var(--teal) 0%,var(--cyan) 45%,var(--blue) 100%)}
.hero .inner{max-width:var(--maxw);margin:0 auto;padding:78px 24px 84px;position:relative;z-index:2}
.hero .eyebrow{display:inline-flex;align-items:center;gap:12px;font-family:var(--font-head);font-weight:700;
  font-size:14px;letter-spacing:2.4px;text-transform:uppercase;color:var(--teal);margin-bottom:20px}
.hero .eyebrow::before{content:"";width:30px;height:3px;border-radius:3px;background:var(--teal);display:inline-block}
.hero h1{color:#fff;font-size:clamp(34px,5vw,60px);font-weight:900;letter-spacing:-.02em;margin:0 0 16px;max-width:18ch}
.hero .lede{font-size:clamp(17px,1.7vw,20px);max-width:60ch;color:#cfe6f5;font-weight:300;margin:0}
.hero .lede strong{color:#fff;font-weight:600}
.hero-watermark{position:absolute;right:-40px;bottom:-46px;opacity:.06;pointer-events:none;z-index:1}
.hero-watermark svg{width:520px;height:auto}

/* ---------- Sections ---------- */
section{padding:64px 0}
.section-head{margin-bottom:36px;max-width:62ch}
.kicker{font-family:var(--font-head);font-weight:700;font-size:12.5px;letter-spacing:1.8px;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.section-head h2{font-size:clamp(26px,3vw,36px);margin:0 0 10px}
.section-head p{color:var(--slate);font-size:17px;margin:0}
.alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-head);font-weight:700;font-size:14.5px;
  padding:11px 20px;border-radius:var(--radius-xs);cursor:pointer;border:1px solid transparent;transition:.16s;letter-spacing:.1px}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);color:#fff}
.btn-teal{background:var(--teal);color:var(--ink)}
.btn-teal:hover{background:#7ffbf2;color:var(--ink)}
.btn-ghost{background:transparent;color:var(--blue);border-color:var(--cloud)}
.btn-ghost:hover{background:var(--mist);color:var(--blue)}
.btn svg{width:16px;height:16px;flex:none}

/* ---------- Brand cards (hub) ---------- */
.brand-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.brand-card{position:relative;display:flex;flex-direction:column;min-height:230px;padding:30px;
  border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);
  overflow:hidden;transition:.18s;color:inherit}
.brand-card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d3dde6}
.brand-card .accent{position:absolute;top:0;left:0;right:0;height:5px}
.brand-card .bc-logo{height:34px;display:flex;align-items:center;margin-bottom:18px}
.brand-card .bc-logo svg,.brand-card .bc-logo img{height:100%;width:auto}
.brand-card h3{font-size:21px;margin:0 0 6px}
.brand-card p{color:var(--slate);font-size:15px;margin:0 0 auto}
.brand-card .bc-cta{margin-top:20px;display:inline-flex;align-items:center;gap:8px;font-family:var(--font-head);
  font-weight:700;font-size:14px;color:var(--blue)}
.brand-card.disabled{cursor:default}
.brand-card.disabled:hover{transform:none;box-shadow:var(--shadow-sm);border-color:var(--border)}
.badge{display:inline-block;font-family:var(--font-head);font-weight:700;font-size:10.5px;letter-spacing:.8px;text-transform:uppercase;
  padding:4px 10px;border-radius:999px;background:var(--mist);color:var(--muted);border:1px solid var(--border)}
.badge.live{background:#dff7ee;color:#0c7a55;border-color:#bdebd9}

/* ---------- Logo tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow-sm)}
.tile .canvas{height:180px;display:flex;align-items:center;justify-content:center;padding:30px}
.tile .canvas svg{width:200px;height:auto;max-height:84px}
.tile.light .canvas{background:#fff}
.tile.dark .canvas{background:var(--ink)}
.tile.grad .canvas{background:var(--hero-grad)}
.tile .label{font-family:var(--font-head);font-weight:700;font-size:12.5px;color:var(--muted);
  padding:11px 16px;background:var(--surface);border-top:1px solid var(--border);text-transform:uppercase;letter-spacing:.6px}

/* ---------- Colour swatches ---------- */
.swatches{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.swatch{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm);
  background:var(--surface);cursor:pointer;transition:.16s}
.swatch:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.swatch .chip{height:120px;display:flex;align-items:flex-end;justify-content:flex-end;padding:12px}
.swatch .copy{font-family:var(--font-head);font-weight:700;font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;
  background:rgba(11,26,38,.58);color:#fff;padding:4px 9px;border-radius:999px;opacity:0;transition:.16s;backdrop-filter:blur(2px)}
.swatch:hover .copy{opacity:1}
.swatch .meta{padding:14px 16px}
.swatch .meta .name{font-family:var(--font-head);font-weight:700;color:var(--ink);font-size:15px;margin:0 0 3px}
.swatch .meta .vals{font-family:var(--font-mono);font-size:12.5px;color:var(--muted);margin:0;line-height:1.5}

/* ---------- Typography specimens ---------- */
.type-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.type-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow-sm)}
.type-card .tt{font-family:var(--font-head);font-weight:700;font-size:13px;letter-spacing:1.2px;text-transform:uppercase;color:var(--blue);margin:0 0 4px}
.type-card .tn{font-family:var(--font-head);font-weight:900;font-size:30px;color:var(--ink);margin:0 0 2px}
.type-card .tu{color:var(--muted);font-size:14px;margin:0 0 18px}
.type-card .specimen{font-size:34px;line-height:1.1;color:var(--ink);margin:0 0 14px;word-break:break-word}
.type-card .weights{display:flex;flex-wrap:wrap;gap:7px}
.type-card .weights span{font-size:13px;color:var(--slate);background:var(--mist);border:1px solid var(--border);
  padding:4px 11px;border-radius:999px}
.type-card.body-spec .specimen{font-size:19px;line-height:1.55;font-weight:400}

/* ---------- Asset preview cards (download + copy) ---------- */
.assets{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.asset{border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow-sm);
  background:var(--surface);display:flex;flex-direction:column;transition:.16s}
.asset:hover{box-shadow:var(--shadow-md)}
.asset-preview{height:190px;display:flex;align-items:center;justify-content:center;padding:30px;position:relative}
.asset-preview.bg-light{background:#fff}
.asset-preview.bg-mist{background:var(--mist)}
.asset-preview.bg-dark{background:var(--ink)}
.asset-preview.bg-grad{background:var(--hero-grad)}
.asset-preview img{max-height:90px;max-width:78%;width:auto;display:block}
.asset-preview.icon img{max-height:120px;max-width:auto}
.asset-foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:15px 18px;border-top:1px solid var(--border)}
.asset-meta{flex:1;min-width:140px}
.asset-meta .nm{font-family:var(--font-head);font-weight:700;color:var(--ink);font-size:15px}
.asset-meta .ds{color:var(--muted);font-size:13px}
.asset-actions{display:flex;gap:7px;flex-wrap:wrap}
.btn-mini{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-head);font-weight:700;font-size:12px;
  padding:7px 11px;border-radius:var(--radius-xs);border:1px solid var(--cloud);background:var(--surface);color:var(--blue);
  cursor:pointer;transition:.14s;white-space:nowrap}
.btn-mini:hover{background:var(--mist);text-decoration:none}
.btn-mini.copied{background:#dff7ee;border-color:#bdebd9;color:#0c7a55}
.btn-mini svg{width:13px;height:13px}

/* ---------- Verified-tick motion panel ---------- */
.tick-panel{display:flex;flex-direction:column;align-items:center;gap:20px;background:#1b222a;
  border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:56px 24px;overflow:hidden}
.tick-panel .tick-anim{width:156px;height:156px;filter:drop-shadow(0 8px 26px rgba(0,191,97,.35))}
.tick-panel .verified-pill{display:inline-flex;align-items:center;gap:8px;background:#00BF61;color:#fff;
  font-family:var(--font-head);font-weight:700;font-size:14px;letter-spacing:.2px;padding:8px 18px;border-radius:999px}
.tick-panel .verified-pill svg{width:14px;height:14px}

/* ---------- Download list ---------- */
.dl-list{display:grid;gap:10px}
.dl-row{display:flex;align-items:center;gap:16px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:14px 18px;box-shadow:var(--shadow-sm)}
.dl-row .ic{width:38px;height:38px;border-radius:8px;background:var(--mist);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:11px;font-weight:700;color:var(--slate);flex:none;text-transform:uppercase}
.dl-row .info{flex:1;min-width:0}
.dl-row .info .nm{font-family:var(--font-head);font-weight:700;color:var(--ink);font-size:15px}
.dl-row .info .ds{color:var(--muted);font-size:13.5px}
.dl-row .sz{font-family:var(--font-mono);font-size:12.5px;color:var(--muted-2);white-space:nowrap}

.snippet{background:var(--ink);color:#cfe6f5;border-radius:var(--radius-sm);padding:16px 18px;
  font-family:var(--font-mono);font-size:13px;line-height:1.7;overflow-x:auto;margin-top:18px}
.snippet .c{color:#6b8aa3}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#aebccb;padding:46px 0 40px}
footer .inner{max-width:var(--maxw);margin:0 auto;padding:0 24px}
footer .logo{height:26px;margin-bottom:16px}
footer p{margin:0 0 4px;font-size:14px}
footer a{color:#9fd6ea}
footer .fnav{display:flex;flex-wrap:wrap;gap:16px;margin:14px 0 22px}
footer .fnav a{font-family:var(--font-head);font-weight:700;font-size:13.5px;color:#cfe0ee}
footer .fine{font-size:12.5px;color:#6b7c8c;border-top:1px solid rgba(255,255,255,.08);padding-top:18px;margin-top:8px}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .brand-grid,.tiles,.swatches,.type-grid,.assets{grid-template-columns:1fr}
  .tiles{grid-template-columns:1fr 1fr}
  .topbar nav{display:none;position:fixed;top:var(--topbar-h);left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(11,26,38,.98);padding:10px 16px 18px;gap:2px;border-bottom:1px solid rgba(255,255,255,.1)}
  .topbar nav.open{display:flex}
  .topbar nav a{padding:12px 14px;font-size:15px}
  .menu-btn{display:block}
}
@media (max-width:560px){
  .tiles{grid-template-columns:1fr}
  .hero .inner{padding:56px 20px 60px}
  section{padding:48px 0}
}