:root{
  --bg-base-1: #1b1b1b;
  --bg-base-2: #131313;

  --shine: rgba(255,255,255,0.14);
  --grain-opacity: .60;

  --frame-stroke: rgba(255,255,255,.14);
  --frame-stroke-soft: rgba(255,255,255,.07);

  --frame-margin: 18px;
  --frame-radius: 22px;

  --text: #cfcfcf;
  --muted: rgba(255,255,255,.62);
  --accent: #ff6a1a;
  --ink: #111;
}

html, body{
  height:100%;
  overflow:hidden;
}

body{
  margin:0;
  background:#0f0f0f;
  font-family:'Montserrat', sans-serif;
  color: var(--text);
}

/* ================= BACKGROUND ================= */

.bg-layer{
  position:fixed;
  inset:0;
  z-index:0;

  background:
    radial-gradient(1200px 750px at 92% 16%,
      var(--shine) 0%,
      rgba(255,255,255,0.08) 18%,
      rgba(255,255,255,0) 60%),

    radial-gradient(1000px 520px at 70% -5%,
      rgba(255,255,255,0.06) 0%,
      rgba(255,255,255,0) 60%),

    linear-gradient(160deg, var(--bg-base-1) 0%, var(--bg-base-2) 70%);

  filter: contrast(1.02) saturate(0.98);
}

.bg-layer::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(130% 150% at 50% 35%,
      rgba(0,0,0,0) 0%,
      rgba(0,0,0,0) 38%,
      rgba(0,0,0,.30) 62%,
      rgba(0,0,0,.62) 100%);
}

.bg-layer::after{
  content:"";
  position:absolute;
  inset:-25%;

  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='2 0 0 0 -0.55 0 2 0 0 -0.55 0 0 2 0 -0.55 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='0.95'/%3E%3C/svg%3E");

  background-size:140px;
  opacity: var(--grain-opacity);
  mix-blend-mode: soft-light;
  transform: rotate(-2deg);
}

/* ================= FRAME ================= */

.section-frame{
  position:relative;
  z-index:20;
  margin: var(--frame-margin);
  border-radius: var(--frame-radius);
  overflow:hidden;

  box-shadow:
    0 0 0 1px var(--frame-stroke),
    inset 0 0 0 1px var(--frame-stroke-soft);
}

.section-frame::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;

  background:
    radial-gradient(120% 120% at 50% 0%,
      rgba(255,255,255,.06) 0%,
      rgba(255,255,255,0) 42%);

  opacity:.35;
  mix-blend-mode:overlay;
}

/* ================= PAGE LAYOUT ================= */

.survey-frame{
  height: calc(100vh - (var(--frame-margin) * 2));
  display:flex;
  overflow:hidden;
}

.survey-section{
  width:100%;
  padding:26px;
  position:relative;
  z-index:2;

  overflow:auto;
  overscroll-behavior:contain;
}

/* ================= TOPBAR ================= */

.survey-topbar{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  margin-bottom:18px;
}

.topbar-brand{
  text-decoration:none;
  color:var(--text);
  display:flex;
  flex-direction:column;
}

.topbar-brand:visited{
  color:var(--text);
}

.brand-title{
  font-weight:900;
  font-size:18px;
}

.brand-sub{
  font-size:12px;
  color:rgba(255,255,255,.55);
}

.topbar-back{
  text-decoration:none;
  color:rgba(255,255,255,.85);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:10px 16px;
  font-weight:700;

  transition:.15s;
}

.topbar-back:visited{
  color:rgba(255,255,255,.85);
}

.topbar-back:hover{
  transform:translateY(-2px);
  background:rgba(255,255,255,.08);
}

/* ================= HEAD ================= */

.survey-head{
  max-width:900px;
  margin-bottom:24px;
}

.survey-title{
  font-weight:900;
  font-size:clamp(34px,4vw,60px);
  margin-bottom:12px;
  color: rgba(255,255,255,.90);
}

.survey-desc{
  color:rgba(255,255,255,.60);
  font-size:16px;
  line-height:1.5;
}

/* ================= CARDS ================= */

.survey-cards{
  margin-top:10px;
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:20px;
}

.survey-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;

  text-decoration:none;
  color:rgba(255,255,255,.86);

  padding:34px 22px 26px;
  min-height:300px;

  border-radius:22px;

  background:rgba(0,0,0,.04);

  box-shadow:
    0 0 0 1px rgba(255,255,255,.14),
    inset 0 0 0 1px rgba(255,255,255,.07);

  transition:.18s;
}

.survey-card:visited{
  color:rgba(255,255,255,.86);
}

.survey-card:hover{
  transform:translateY(-4px);
  box-shadow:
    0 0 0 1px rgba(255,255,255,.22),
    0 16px 34px rgba(0,0,0,.35);
}

/* ICON */

.card-ico{
  width:72px;
  height:72px;
  border-radius:18px;

  display:flex;
  align-items:center;
  justify-content:center;

  margin-bottom:18px;

  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
}

.card-ico svg{
  width:34px;
  height:34px;
  fill:rgba(255,255,255,.70);
}

/* TITLE */

.card-title{
  font-weight:900;
  font-size:20px;
  text-align:center;
  margin-bottom:10px;

  color:rgba(255,255,255,.90);
}

/* SUB */

.card-sub{
  text-align:center;
  color:rgba(255,255,255,.60);
  font-size:14px;
  margin-bottom:22px;
}

/* CTA */

.card-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;

  border-radius:999px;
  padding:12px 18px;

  font-weight:900;
  font-size:14px;

  color:var(--accent);
  border:1px solid rgba(255,106,26,.9);

  min-width:170px;

  transition:.15s;
}

.survey-card:hover .card-cta{
  background:rgba(255,106,26,.1);
}

/* ================= FOOT ================= */

.survey-foot{
  margin-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:18px;
}

.foot-note{
  color:rgba(255,255,255,.55);
  font-size:13px;
  max-width:900px;
}

/* ================= MOBILE ================= */

@media (max-width:992px){

  .survey-section{
    padding:20px;
  }

  .survey-card{
    min-height:260px;
  }

}

@media (max-width:576px){

  :root{
    --frame-margin:10px;
    --frame-radius:18px;
  }

  .survey-section{
    padding:18px;
  }

  .survey-topbar{
    flex-direction:column;
    gap:12px;
  }

  .topbar-back{
    width:100%;
    text-align:center;
  }

}