/* ==========================================================
   CubeLink — v2 "navy sheet" theme
   Deep navy band up top, white sheets float over it, per-device
   gradient icons, gradient buttons, connected step timeline.
   ========================================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root{
  --navy-900:#0b1f3a;
  --navy:#132c52;
  --navy-2:#1e3a5f;
  --blue:#2f6fed;
  --blue-2:#5b8dff;
  --blue-soft:#eaf1ff;
  --bg:#eef2f8;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e6eaf2;
  --ok:#16a34a;
  --ok-2:#22c55e;
  --ok-soft:#e9f9ef;
  --warn:#b45309;
  --warn-soft:#fff5e5;
  --bad:#dc2626;
  --bad-soft:#feecec;
  --radius:24px;
  --band:300px;
  --head:'Plus Jakarta Sans','Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);
  background:var(--bg);
  color:var(--text);
  min-height:100dvh;
  display:flex;flex-direction:column;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  position:relative;
}
/* The navy band behind the top of every page */
body::before{
  content:"";position:absolute;left:0;right:0;top:0;height:var(--band);z-index:0;
  background:
    radial-gradient(60% 80% at 85% 0%, rgba(91,141,255,.45), transparent 60%),
    radial-gradient(50% 60% at 0% 100%, rgba(47,111,237,.35), transparent 60%),
    linear-gradient(180deg,#0b1f3a 0%,#132c52 70%,#1a3763 100%);
  border-radius:0 0 34px 34px;
}
body::after{ /* faint dot grid on the band */
  content:"";position:absolute;left:0;right:0;top:0;height:var(--band);z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px, transparent 1.5px);
  background-size:22px 22px;
  border-radius:0 0 34px 34px;
  -webkit-mask-image:linear-gradient(180deg,#000 30%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 30%,transparent 100%);
}
a{color:var(--blue);text-decoration:none}
button,input{font:inherit}
h1,h2,h3,.brand,.btn,.device .name,.opt .t{font-family:var(--head)}

/* ---------- Top bar (sits on the band) ---------- */
.topbar{position:relative;z-index:2}
.topbar-in{
  max-width:520px;margin:0 auto;padding:16px 18px 6px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;letter-spacing:-.01em}
.brand svg{width:30px;height:30px;display:block;filter:drop-shadow(0 4px 10px rgba(0,0,0,.35))}
.brand svg path:first-child{fill:#fff;opacity:.95}
.brand svg path:nth-child(2){fill:#8fb3ff}
.brand svg path:nth-child(3){fill:#dbe7ff}
.help-btn{
  display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 15px;border-radius:999px;
  background:rgba(255,255,255,.14);color:#fff;
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(8px);
  font-weight:600;font-size:14px;cursor:pointer;
}
.help-btn:active{transform:scale(.97)}

/* ---------- Layout ---------- */
.wrap{
  position:relative;z-index:1;
  flex:1;width:100%;max-width:520px;margin:0 auto;
  padding:18px 16px 40px;
  animation:rise .4s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.hero{margin:6px 2px 22px;color:#fff}
.hero h1{font-size:28px;font-weight:800;letter-spacing:-.025em;line-height:1.15}
.hero p{color:rgba(255,255,255,.72);font-size:15px;margin-top:8px;max-width:34ch}
.center{text-align:center}

.card{
  background:var(--card);border-radius:var(--radius);padding:26px 22px;
  box-shadow:0 24px 50px -24px rgba(11,31,58,.45), 0 2px 6px rgba(11,31,58,.05);
}
.card + .card{margin-top:14px}
.card h2{font-size:22px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.card .sub{color:var(--muted);font-size:14.5px;margin-top:8px}
.section-title{
  font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);margin:28px 2px 12px;
}

/* ---------- Device picker (home) ---------- */
.device-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.device{
  position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:14px;
  background:var(--card);border-radius:22px;padding:18px 16px 16px;color:var(--text);
  box-shadow:0 24px 50px -24px rgba(11,31,58,.45), 0 2px 6px rgba(11,31,58,.05);
  transition:transform .15s,box-shadow .15s;overflow:hidden;
}
.device::after{ /* soft color wash in the corner */
  content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;
  background:var(--wash,#eaf1ff);opacity:.7;pointer-events:none;
}
.device:hover{transform:translateY(-2px);box-shadow:0 28px 50px -22px rgba(11,31,58,.5)}
.device:active{transform:scale(.98)}
.device.tv{grid-column:1 / -1;flex-direction:row;align-items:center;gap:16px;padding:18px 18px}
.device .ico{
  width:56px;height:56px;border-radius:18px;flex:0 0 auto;position:relative;z-index:1;
  display:grid;place-items:center;font-size:23px;color:#fff;
  background:var(--grad,linear-gradient(135deg,#2f6fed,#5b8dff));
  box-shadow:0 10px 20px -8px var(--glow,rgba(47,111,237,.6));
}
.device.tv{--grad:linear-gradient(135deg,#ff5f6d,#e50914);--glow:rgba(229,9,20,.55);--wash:#ffe9ea}
.device.mobile{--grad:linear-gradient(135deg,#2dd4bf,#0ea5e9);--glow:rgba(14,165,233,.55);--wash:#e3f7fb}
.device.pc{--grad:linear-gradient(135deg,#a78bfa,#6366f1);--glow:rgba(99,102,241,.55);--wash:#eeebff}
.device .name{font-weight:800;font-size:17px;letter-spacing:-.01em;position:relative;z-index:1}
.device .desc{font-size:13px;color:var(--muted);margin-top:2px;position:relative;z-index:1}
.device .chev{
  position:absolute;right:14px;top:14px;z-index:1;
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:#f1f4f9;color:#94a3b8;font-size:12px;
}
.device.tv .chev{top:50%;transform:translateY(-50%)}

/* ---------- Steps: connected timeline ---------- */
.steps{list-style:none;display:flex;flex-direction:column;gap:0}
.step{position:relative;display:flex;gap:14px;align-items:flex-start;padding-bottom:18px}
.step:last-child{padding-bottom:0}
.step:not(:last-child)::before{
  content:"";position:absolute;left:17px;top:38px;bottom:2px;width:2px;
  background:linear-gradient(180deg,#cfe0ff,#e6eaf2);border-radius:2px;
}
.step .n{
  width:36px;height:36px;border-radius:50%;flex:0 0 auto;position:relative;
  background:var(--blue-soft);color:var(--blue);
  display:grid;place-items:center;font-size:14px;font-weight:800;font-family:var(--head);
  box-shadow:inset 0 0 0 1.5px #d6e4ff;
}
.step h4{font-size:14.5px;font-weight:600;line-height:1.4;padding-top:6px}
.step p{font-size:13px;color:var(--muted);margin-top:3px}
.step strong{color:var(--text);font-weight:700}

/* ---------- Buttons ---------- */
.btn{
  display:flex;align-items:center;justify-content:center;gap:9px;
  width:100%;height:54px;border-radius:16px;border:0;cursor:pointer;
  background:linear-gradient(135deg,#1e3a5f 0%,#2f6fed 100%);color:#fff;
  font-weight:700;font-size:16px;letter-spacing:-.005em;
  box-shadow:0 12px 24px -10px rgba(47,111,237,.65);
  transition:transform .1s,box-shadow .15s,filter .15s;
}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:scale(.985);box-shadow:0 6px 14px -8px rgba(47,111,237,.6)}
.btn.ghost{background:#f4f7fc;color:var(--navy-2);box-shadow:none}
.btn.ghost:hover{background:#eaf0fa;filter:none}
.btn.ok{background:linear-gradient(135deg,#16a34a,#22c55e);box-shadow:0 12px 24px -10px rgba(34,197,94,.6)}
.btn + .btn{margin-top:10px}
.btn[disabled]{opacity:.7;cursor:default}
.btn .fa-spinner{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.textlink{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--muted);margin-top:20px;
}
.textlink:hover{color:var(--text)}

/* ---------- Forms ---------- */
.field{position:relative;margin:20px 0 14px}
.field .fi{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:#94a3b8;font-size:15px;pointer-events:none}
.field input{
  width:100%;height:56px;border-radius:16px;border:1.5px solid transparent;
  padding:0 16px 0 48px;font-size:16px;background:#f4f7fc;color:var(--text);
  outline:0;transition:border-color .15s,box-shadow .15s,background .15s;
}
.field input::placeholder{color:#94a3b8}
.field input:focus{background:#fff;border-color:var(--blue);box-shadow:0 0 0 4px rgba(47,111,237,.14)}
.hint{font-size:13px;color:var(--muted);margin-top:12px}
.hint i{color:var(--blue);margin-right:5px}

/* PIN */
.pin-grid{display:flex;gap:12px;justify-content:center;margin:24px 0 20px;cursor:text}
.pin-box{
  width:60px;height:68px;border-radius:18px;border:1.5px solid transparent;
  background:#f4f7fc;text-align:center;font-size:28px;font-weight:800;font-family:var(--head);color:var(--navy);
  outline:0;pointer-events:none;caret-color:transparent;transition:all .12s;
}
.pin-box.active{background:#fff;border-color:var(--blue);box-shadow:0 0 0 4px rgba(47,111,237,.14)}
.pin-box.filled{background:var(--blue-soft);border-color:#c9dbff}
.hidden-input{position:absolute;opacity:0;width:1px;height:1px;left:-9999px}

/* icon badge at the top of a sheet */
.result-ico{
  width:84px;height:84px;border-radius:26px;margin:0 auto 18px;
  background:linear-gradient(135deg,#1e3a5f,#2f6fed);color:#fff;
  display:grid;place-items:center;font-size:34px;
  box-shadow:0 16px 30px -12px rgba(47,111,237,.7);
}
.result-ico.ok{background:linear-gradient(135deg,#16a34a,#22c55e);box-shadow:0 16px 30px -12px rgba(34,197,94,.7)}
.result-ico.bad{background:linear-gradient(135deg,#ef4444,#f97316);box-shadow:0 16px 30px -12px rgba(239,68,68,.6)}

/* ---------- Option rows (household_options) ---------- */
.options{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.opt{
  display:flex;align-items:center;gap:14px;
  border-radius:18px;padding:14px;color:var(--text);background:#f4f7fc;
  border:1.5px solid transparent;transition:all .15s;
}
.opt:hover{background:#fff;border-color:#c9dbff;box-shadow:0 10px 24px -14px rgba(11,31,58,.4)}
.opt:active{transform:scale(.99)}
.opt .ico{
  width:48px;height:48px;border-radius:15px;flex:0 0 auto;color:#fff;
  background:linear-gradient(135deg,#1e3a5f,#2f6fed);display:grid;place-items:center;font-size:19px;
  box-shadow:0 8px 16px -8px rgba(47,111,237,.6);
}
.opt:nth-child(2) .ico{background:linear-gradient(135deg,#f59e0b,#f97316);box-shadow:0 8px 16px -8px rgba(249,115,22,.6)}
.opt .t{font-weight:800;font-size:15.5px;letter-spacing:-.01em}
.opt .d{font-size:13px;color:var(--muted);margin-top:1px}
.opt .chev{margin-left:auto;color:#94a3b8}

/* ---------- Alerts / pills ---------- */
.alert{
  display:flex;gap:10px;align-items:flex-start;
  border-radius:14px;padding:12px 14px;font-size:14px;line-height:1.45;margin-top:16px;
}
.alert i{margin-top:3px;flex:0 0 auto}
.alert.bad{background:var(--bad-soft);color:#991b1b}
.alert.warn{background:var(--warn-soft);color:#92400e}
.alert.ok{background:var(--ok-soft);color:#166534}
.alert.info{background:var(--blue-soft);color:#1e40af}

/* ---------- Result page ---------- */
.linkbox{
  display:flex;align-items:center;gap:8px;
  border-radius:16px;padding:6px 6px 6px 14px;background:#f4f7fc;margin:18px 0 16px;
}
.linkbox input{
  flex:1;min-width:0;border:0;background:transparent;outline:0;
  font-size:13px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.copy-btn{
  height:40px;padding:0 14px;border-radius:12px;border:0;cursor:pointer;
  background:#fff;color:var(--navy-2);font-weight:700;font-size:13px;
  box-shadow:0 2px 8px rgba(11,31,58,.08);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.copy-btn.done{background:var(--ok-soft);color:var(--ok)}

/* ---------- Footer ---------- */
footer{position:relative;z-index:1;text-align:center;padding:18px 16px 28px;font-size:12.5px;color:#94a3b8}

/* ---------- Help sheet ---------- */
.modal{
  position:fixed;inset:0;z-index:100;display:none;
  background:rgba(11,31,58,.55);backdrop-filter:blur(4px);
  align-items:flex-end;justify-content:center;
}
.modal.open{display:flex}
.sheet{
  width:100%;max-width:520px;max-height:88dvh;overflow-y:auto;
  background:#fff;border-radius:26px 26px 0 0;padding:14px 22px 26px;
  animation:sheetUp .3s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes sheetUp{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
.sheet .grab{width:42px;height:5px;border-radius:99px;background:#e2e6ee;margin:0 auto 16px}
.sheet h2{font-size:21px;font-weight:800;letter-spacing:-.02em}
.sheet .sub{color:var(--muted);font-size:14px;margin-top:6px;margin-bottom:18px}
.sheet h3{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:800;margin:20px 0 12px}
.sheet h3 .ico{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,#1e3a5f,#2f6fed);color:#fff;display:grid;place-items:center;font-size:13px}
.sheet .step{padding-bottom:12px}
.sheet .step:not(:last-child)::before{left:14px;top:32px}
.sheet .step .n{width:30px;height:30px;font-size:12.5px}
.sheet .step h4{font-weight:500;font-size:14px;padding-top:4px}
.sheet .close{margin-top:22px}
@media (min-width:600px){
  .modal{align-items:center;padding:20px}
  .sheet{border-radius:26px}
}

/* ---------- Small screens ---------- */
@media (max-width:360px){
  .pin-grid{gap:10px}
  .pin-box{width:52px;height:60px;font-size:24px}
  .hero h1{font-size:25px}
}

/* ---------- Illustrations ---------- */
.illus{display:block;width:210px;max-width:78%;height:auto;margin:-4px auto 6px}
.hero-illus{display:block;width:100%;max-width:340px;height:auto;margin:14px auto 18px;filter:drop-shadow(0 18px 24px rgba(0,0,0,.35))}
.hero-illus,.illus{animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@media (prefers-reduced-motion:reduce){.hero-illus,.illus{animation:none}}
.result-ico{display:none}
body.home{--band:560px}
body.home .hero-illus{margin:6px auto 22px}