/* ============================================================
   Lift the Cause — Daybreak design system
   Shared by every page. One source, no drift.
   Tokens match Engineering Constitution v0.2, Section 5.
   ============================================================ */

:root{
  /* color */
  --ink:#10302C;
  --brand:#147A66;
  --brand-deep:#0B4A3E;
  --lift:#EF9F32;
  --lift-2:#F7C56E;
  --paper:#FBF8F2;
  --surface:#FFFFFF;
  --line:#E8E2D5;
  --muted:#5E665F;
  --ok:#1F9E73;
  --warn:#D98324;
  --ui-bg:#F2F5F3;
  --ui-line:#E2E8E5;
  --ui-ink:#16322E;
  --ui-muted:#788580;
  /* type */
  --font-display:"Fraunces", Georgia, serif;
  --font-ui:"Hanken Grotesk", system-ui, sans-serif;
  /* shape */
  --radius:14px;
  --shadow-sm:0 10px 30px -18px rgba(8,40,34,.3);
  --shadow:0 24px 60px -28px rgba(8,40,34,.4);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-ui);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.08;letter-spacing:-.01em;margin:0;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
img{max-width:100%;display:block;}
button{font-family:inherit;}

.wrap{max-width:1140px;margin:0 auto;padding:0 28px;}
.eyebrow{font-weight:700;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);}
.eyebrow.amber{color:var(--warn);}
.eyebrow.onlight{color:var(--lift-2);}

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid var(--lift);outline-offset:3px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15px;text-decoration:none;cursor:pointer;
  border-radius:999px;padding:12px 22px;border:0;
  background:var(--ink);color:#fff;transition:transform .15s,box-shadow .2s,background .2s;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);background:var(--brand-deep);}
.btn.amber{background:var(--lift);color:#3a2407;}
.btn.amber:hover{background:var(--lift-2);}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn.ghost:hover{background:var(--ink);color:#fff;}
.btn.ghost.onlight{color:#fff;border-color:rgba(255,255,255,.5);}
.btn.ghost.onlight:hover{background:#fff;color:var(--ink);}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- nav ---------- */
header.site-nav{position:sticky;top:0;z-index:60;background:rgba(251,248,242,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;}
.logo{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:-.02em;color:var(--ink);}
.mark{width:30px;height:30px;flex:none;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{font-weight:600;font-size:15px;color:var(--muted);transition:color .18s;}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink);}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.nav-toggle svg{width:24px;height:24px;color:var(--ink);}

@media (max-width:880px){
  .nav-links{
    position:fixed;inset:68px 0 0 0;background:var(--paper);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:8px 28px 28px;border-top:1px solid var(--line);
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .18s,transform .18s;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-links a{padding:14px 0;width:100%;border-bottom:1px solid var(--line);font-size:17px;}
  .nav-links .btn{margin-top:14px;}
  .nav-toggle{display:block;}
}

/* ---------- footer ---------- */
footer.site-foot{background:var(--ink);color:#9fb8af;padding:44px 0;}
.foot-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:28px;flex-wrap:wrap;}
.foot-inner .logo{color:#fff;}
.foot-tag{font-family:var(--font-display);font-style:italic;font-size:14px;color:#cfe6dc;margin-top:9px;}
.foot-links{display:flex;gap:22px;flex-wrap:wrap;}
.foot-links a{font-size:14px;font-weight:600;color:#a9c0b7;}
.foot-links a:hover{color:#fff;}
.foot-note{font-size:13px;max-width:30em;line-height:1.5;color:#7f9991;}
.foot-note b{color:#d6e6df;}

/* ---------- layout helpers ---------- */
section{position:relative;}
.band{padding:96px 0;border-top:1px solid var(--line);}
.band.ink{background:var(--ink);color:#eef3f0;border-top:0;}
.band.ink .muted-onlight{color:#a9c0b7;}
.band:first-of-type{border-top:0;}
.sec-head{max-width:40rem;}
.sec-head h2{font-size:clamp(28px,3.6vw,42px);}
.ink .sec-head h2{color:#fff;}
.sec-head p{margin-top:16px;color:var(--muted);font-size:18px;}
.ink .sec-head p{color:#a9c0b7;}
.lead{font-size:19px;color:#33403a;max-width:42em;}

/* hero glow used on several pages */
.glow-top{position:relative;overflow:hidden;}
.glow-top::before{
  content:"";position:absolute;left:50%;top:-200px;transform:translateX(-50%);
  width:1300px;height:520px;border-radius:50%;
  background:radial-gradient(ellipse at center, rgba(247,197,110,.42), rgba(247,197,110,0) 62%);
  z-index:0;pointer-events:none;
}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:24px;box-shadow:var(--shadow-sm);}
.card h3{font-family:var(--font-ui);font-size:17px;font-weight:800;}
.card p{font-size:15px;color:var(--muted);margin-top:7px;}

/* ---------- device / mockup frame ---------- */
.device{background:var(--surface);border-radius:18px;box-shadow:var(--shadow);border:1px solid var(--ui-line);overflow:hidden;}
.device-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;background:#fff;border-bottom:1px solid var(--ui-line);}
.dot{width:11px;height:11px;border-radius:50%;background:#e4ddcf;}
.device-bar .where{margin-left:10px;font-size:12.5px;color:var(--ui-muted);font-weight:600;letter-spacing:.02em;}

/* placeholder mockup state — used until real product screens exist */
.mock-placeholder{
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;padding:36px 24px;text-align:center;
  background:
    repeating-linear-gradient(135deg, rgba(20,122,102,.05) 0 14px, transparent 14px 28px),
    var(--ui-bg);
}
.mock-placeholder .ph-icon{width:42px;height:42px;border-radius:11px;background:#fff;border:1px solid var(--ui-line);display:grid;place-items:center;box-shadow:var(--shadow-sm);}
.mock-placeholder .ph-icon svg{width:22px;height:22px;color:var(--brand);}
.mock-placeholder .ph-label{font-size:13.5px;font-weight:700;color:var(--ui-muted);}
.mock-placeholder .ph-note{font-size:12.5px;color:var(--ui-muted);max-width:24em;}

/* ---------- tabs (Who It's For) ---------- */
.tabs-nav{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:0;}
.tab-btn{
  font-family:var(--font-ui);font-weight:700;font-size:14.5px;color:var(--muted);
  background:transparent;border:0;border-bottom:3px solid transparent;
  padding:13px 6px;cursor:pointer;margin-right:18px;transition:color .15s,border-color .15s;
}
.tab-btn:hover{color:var(--ink);}
.tab-btn[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--lift);}
.tab-panel{display:none;padding-top:40px;}
.tab-panel.active{display:block;}

/* ---------- chips / tags ---------- */
.tag{font-size:12px;font-weight:700;padding:6px 11px;border-radius:8px;background:var(--ui-bg);color:#4a5953;border:1px solid var(--ui-line);}

/* ---------- forms ---------- */
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow-sm);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:5px;}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;font-family:var(--font-ui);font-size:15px;color:var(--ink);
  background:#fff;border:1.5px solid var(--ui-line);border-radius:10px;
  padding:12px 14px;transition:border-color .15s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);}
.field textarea{resize:vertical;min-height:100px;}
.form-status{margin-top:16px;font-size:14.5px;font-weight:600;}
.form-status.ok{color:var(--ok);}
.form-status.err{color:#b3401f;}

/* ---------- module diagram (Platform page) ---------- */
.module-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:8px;}
.module-btn{
  text-align:left;background:#fff;border:1.5px solid var(--line);border-radius:13px;
  padding:16px 16px 18px;cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .15s;
}
.module-btn:hover{border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.module-btn[aria-pressed="true"]{border-color:var(--lift);background:rgba(239,159,50,.06);}
.module-btn .num{font-family:var(--font-display);font-size:14px;font-weight:600;color:var(--lift);}
.module-btn .name{font-weight:800;font-size:15px;margin-top:7px;color:var(--ink);}
.module-btn .desc{font-size:13px;color:var(--muted);margin-top:5px;line-height:1.45;}
.module-detail{margin-top:30px;display:none;}
.module-detail.active{display:block;}

@media (max-width:880px){
  .module-grid{grid-template-columns:1fr 1fr;}
  .band{padding:68px 0;}
}
@media (max-width:520px){
  .module-grid{grid-template-columns:1fr;}
  .wrap{padding:0 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}