/* ---------- Tokens ---------- */
:root {
  --ink: #2b2620;
  --ink-soft: #6b6155;
  --paper: #faf6ee;
  --paper-raised: #ffffff;
  --line: #e7ded0;

  --epm-green: #8fb92e;
  --epm-green-dark: #6c9420;
  --navy: #3d4a63;
  --amber: #d98a3d;
  --amber-soft: #f4e3c8;

  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 20px 45px -20px rgba(43, 38, 32, 0.25);
  --shadow-soft: 0 8px 24px -12px rgba(43, 38, 32, 0.18);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #f2ede2;
    --ink-soft: #b9b0a1;
    --paper: #1c1a16;
    --paper-raised: #262320;
    --line: #3a352c;
    --amber-soft: #423523;
  }
}
:root[data-theme="dark"] {
  --ink: #f2ede2;
  --ink-soft: #b9b0a1;
  --paper: #1c1a16;
  --paper-raised: #262320;
  --line: #3a352c;
  --amber-soft: #423523;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
h1, h2, h3 { font-family: "Fraunces", Georgia, serif; margin: 0; letter-spacing: -0.01em; }
a { color: inherit; }
.wrap { max-width: 980px; margin: 0 auto; padding-inline: 20px; }

/* ---------- Mockup flag ---------- */
.mockup-flag {
  background: var(--navy);
  color: #f2ede2;
  text-align: center;
  font-size: 0.8rem;
  padding: 8px 16px;
  padding-top: calc(8px + env(safe-area-inset-top, 0px));
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 246, 238, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
:root[data-theme="dark"] .site-header { background: rgba(28, 26, 22, 0.85); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .site-header { background: rgba(28, 26, 22, 0.85); }
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 12px;
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand-logo { width: 42px; height: 42px; border-radius: 11px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: "Fraunces", serif; font-size: 1.05rem; }
.brand-text span { font-size: 0.75rem; color: var(--ink-soft); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--epm-green); color: #1f2a0a; box-shadow: var(--shadow-soft); }
.btn-primary:hover { background: var(--epm-green-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--epm-green); color: var(--epm-green-dark); }
.btn-block { width: 100%; padding-block: 16px; font-size: 1rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 72px 96px;
  background: linear-gradient(180deg, var(--amber-soft) 0%, var(--paper) 100%);
}
.hero-shapes { position: absolute; inset: 0; color: var(--navy); pointer-events: none; }
.shape-books { position: absolute; right: -10px; top: 30px; width: 220px; opacity: 0.5; }
.shape-circle { position: absolute; left: -60px; bottom: -60px; width: 180px; color: var(--epm-green); opacity: 0.18; }
.hero-inner { position: relative; max-width: 680px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--epm-green-dark);
  margin: 0 0 14px;
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.1rem); font-weight: 600; color: var(--ink); }
.hero h1 em { font-style: normal; color: var(--epm-green-dark); position: relative; }
.hero-lead { color: var(--ink-soft); font-size: 1.05rem; margin: 20px 0 32px; max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.hero-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- Form section ---------- */
.form-section { padding-block: 20px 90px; }
.form-wrap { display: flex; justify-content: center; }

/* ---------- Thanks screen ---------- */
.thanks-screen {
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding-block: 60px;
  background: linear-gradient(180deg, var(--amber-soft) 0%, var(--paper) 100%);
}
.thanks-card {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 48px 36px;
}
.thanks-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--epm-green);
  color: #1f2a0a;
  font-size: 1.8rem;
  font-weight: 700;
}
.thanks-card h1 { font-size: 1.6rem; margin-bottom: 10px; }
.thanks-card p { color: var(--ink-soft); margin: 0 0 8px; }
.thanks-countdown { font-size: 0.85rem; font-weight: 600; color: var(--ink); margin-top: 18px; }
.thanks-countdown span { font-variant-numeric: tabular-nums; color: var(--epm-green-dark); }

.survey-card {
  width: 100%;
  max-width: 720px;
  background: var(--paper-raised);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
  overflow: hidden;
  margin-top: -46px;
  position: relative;
}
.survey-progress { height: 6px; background: var(--line); }
.survey-progress-bar { height: 100%; background: linear-gradient(90deg, var(--epm-green), var(--amber)); }

.survey-head { padding: 32px 32px 8px; border-bottom: 1px solid var(--line); }
.survey-head h2 { font-size: 1.5rem; font-weight: 600; margin-bottom: 10px; }
.survey-head p { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 24px; }

.q-block { border: none; margin: 0; padding: 28px 32px; }
.q-block + .q-block { border-top: 1px solid var(--line); }
.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 22px;
  padding: 0;
}
.section-num {
  font-family: "Fraunces", serif;
  font-size: 0.85rem;
  color: #fff;
  background: var(--navy);
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.q { margin-bottom: 26px; }
.q:last-child { margin-bottom: 0; }
.q-label { display: block; font-weight: 600; font-size: 0.95rem; margin-bottom: 12px; }
.q-hint { font-weight: 400; color: var(--ink-soft); font-size: 0.8rem; }

/* Pill radio options */
.pill-options { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { position: relative; }
.pill input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.pill span {
  display: inline-flex;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  font-size: 0.88rem;
  color: var(--ink-soft);
  background: var(--paper);
  transition: all 0.15s ease;
}
.pill input:checked + span {
  background: var(--epm-green);
  border-color: var(--epm-green);
  color: #1f2a0a;
  font-weight: 600;
}
.pill input:focus-visible + span { outline: 2px solid var(--navy); outline-offset: 2px; }
.pill:hover span { border-color: var(--epm-green); }

/* Rating scale */
.rating-q.highlight { background: var(--amber-soft); margin-inline: -32px; padding: 20px 32px; border-radius: var(--radius-md); }
.scale { display: flex; gap: 10px; }
.scale-opt { position: relative; flex: 1; max-width: 64px; }
.scale-opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.scale-opt span {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  background: var(--paper);
  font-weight: 600;
  color: var(--ink-soft);
  transition: all 0.15s ease;
}
.scale-opt input:checked + span {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}
.scale-opt:hover span { border-color: var(--navy); }
.scale-emoji .scale-opt span { font-size: 1.3rem; }
.scale-labels { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--ink-soft); margin-top: 8px; }

/* Chips (checkboxes) */
.chip-options { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  background: var(--paper);
  font-size: 0.88rem;
  color: var(--ink-soft);
  transition: all 0.15s ease;
}
.chip input:checked + span {
  background: rgba(143, 185, 46, 0.15);
  border-color: var(--epm-green);
  color: var(--epm-green-dark);
  font-weight: 600;
}

/* Footer of form */
.survey-footer { padding: 28px 32px 36px; background: var(--paper); border-top: 1px solid var(--line); }
.survey-disclaimer { text-align: center; font-size: 0.78rem; color: var(--ink-soft); margin: 12px 0 0; }

/* ---------- Site footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 40px; }
.footer-inner { display: flex; flex-direction: column; gap: 24px; align-items: center; }
.footer-logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; }
.footer-logo-afpdm { height: 48px; width: auto; }
.footer-copy { font-size: 0.78rem; color: var(--ink-soft); text-align: center; margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .hero { padding-block: 48px 60px; }
  .q-block { padding: 24px 20px; }
  .survey-head { padding: 26px 20px 8px; }
  .survey-footer { padding: 24px 20px 30px; }
  .rating-q.highlight { margin-inline: -20px; padding: 18px 20px; }
  .scale-opt { max-width: 52px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .header-actions .btn { padding: 10px 14px; font-size: 0.82rem; }
  .brand-text span { display: none; }
}