@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

:root {
  --bg:           #04080f;
  --surface:      rgba(255,255,255,.045);
  --glass-border: rgba(255,255,255,.09);
  --accent:       #00d4ff;
  --accent2:      #7c3aed;
  --accent-glow:  rgba(0,212,255,.2);
  --success:      #00e5a0;
  --text:         #e8f0f8;
  --text-dim:     rgba(232,240,248,.6);
  --text-muted:   rgba(232,240,248,.35);
  --font:         'Space Grotesk', system-ui, sans-serif;
  --mono:         'Space Mono', monospace;
  --radius:       16px;
  --radius-sm:    10px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 70% 50% at 15% 0%, rgba(0,212,255,.14) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 85% 95%, rgba(124,58,237,.16) 0%, transparent 55%),
    radial-gradient(ellipse 40% 40% at 92% 10%, rgba(0,229,160,.08) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

/* ── Progress bar ── */
.progress-bar  { position: fixed; top: 0; left: 0; right: 0; height: 3px; background: rgba(255,255,255,.07); z-index: 200; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #7c3aed); transition: width .5s cubic-bezier(.4,0,.2,1); }

/* ── Header ── */
.site-header {
  position: fixed; top: 3px; left: 0; right: 0; height: 58px;
  background: rgba(4,8,15,.85);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  display: flex; align-items: center; padding: 0 32px; gap: 12px; z-index: 100;
}
.site-header-logo   { font-size: 17px; font-weight: 700; color: #fff; letter-spacing: -.01em; }
.site-header-survey { font-size: 13px; color: var(--text-muted); }
.header-right       { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.cat-pill {
  display: flex; align-items: center; gap: 6px;
  background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.2);
  color: var(--accent); font-size: 12px; font-weight: 600;
  padding: 5px 13px; border-radius: 20px;
}
.step-info { font-size: 12px; color: var(--text-muted); }
.step-info strong { color: var(--accent); }

/* ── Welcome ── */
.welcome-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px 24px 100px; }
.welcome-card {
  background: rgba(255,255,255,.045);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  padding: 52px 44px; max-width: 460px; width: 100%; text-align: center;
}
.welcome-icon {
  width: 60px; height: 60px;
  background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.2);
  border-radius: 16px; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 28px;
  box-shadow: 0 0 24px rgba(0,212,255,.15);
}
.welcome-title { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 12px; line-height: 1.2; letter-spacing: -.02em; }
.welcome-desc  { font-size: 17px; color: var(--text-dim); line-height: 1.7; margin-bottom: 32px; }
.btn-start {
  width: 100%; padding: 14px;
  background: linear-gradient(135deg, rgba(0,212,255,.15), rgba(124,58,237,.15));
  color: var(--accent);
  border: 1px solid rgba(0,212,255,.3);
  border-radius: var(--radius-sm);
  font-size: 16px; font-weight: 700; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  transition: all .15s; font-family: var(--font);
  backdrop-filter: blur(8px);
}
.btn-start:hover {
  background: linear-gradient(135deg, rgba(0,212,255,.25), rgba(124,58,237,.25));
  border-color: rgba(0,212,255,.5);
  box-shadow: 0 4px 20px rgba(0,212,255,.18);
}

/* ── Survey main ── */
.survey-main { padding: 84px 32px 56px; max-width: 1100px; margin: 0 auto; }

/* ── Category intro ── */
.intro-screen {
  min-height: calc(100vh - 84px);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; text-align: center;
  animation: fadeUp .4s ease both;
}
.intro-num {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--text-muted); margin-bottom: 14px;
}
.intro-icon {
  width: 68px; height: 68px;
  background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.2);
  border-radius: 20px; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 26px;
  box-shadow: 0 0 28px rgba(0,212,255,.12);
}
.intro-title { font-size: 44px; font-weight: 800; color: #fff; margin-bottom: 16px; letter-spacing: -.03em; line-height: 1.1; }
.intro-desc  { font-size: 18px; color: var(--text-dim); max-width: 520px; line-height: 1.75; margin-bottom: 38px; }
.btn-continue {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 30px;
  background: linear-gradient(135deg, rgba(0,212,255,.15), rgba(124,58,237,.15));
  color: var(--accent); border: 1px solid rgba(0,212,255,.3);
  border-radius: var(--radius-sm);
  font-size: 16px; font-weight: 700; cursor: pointer;
  transition: all .15s; font-family: var(--font);
  backdrop-filter: blur(8px);
}
.btn-continue:hover {
  background: linear-gradient(135deg, rgba(0,212,255,.25), rgba(124,58,237,.25));
  border-color: rgba(0,212,255,.5);
  box-shadow: 0 4px 20px rgba(0,212,255,.18);
}

/* ── Comparison ── */
.cat-header { text-align: center; margin-bottom: 38px; animation: fadeUp .35s ease both; }
.cat-label {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--text-muted); margin-bottom: 12px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.cat-label::before, .cat-label::after { content: ''; width: 48px; height: 1px; background: var(--glass-border); }
.cat-title { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 8px; letter-spacing: -.02em; }
.cat-desc  { font-size: 14px; color: var(--text-dim); max-width: 480px; margin: 0 auto; }

.comparison-grid { display: grid; grid-template-columns: 1fr auto 1fr; margin-bottom: 30px; }

.option-card {
  background: rgba(255,255,255,.045);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius); overflow: hidden; cursor: pointer;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  animation: dealIn .4s cubic-bezier(.4,0,.2,1) both;
  backdrop-filter: blur(16px);
}
.option-card:nth-child(1) { border-radius: var(--radius) 4px 4px var(--radius); animation-delay: 0s; }
.option-card:nth-child(3) { border-radius: 4px var(--radius) var(--radius) 4px; animation-delay: .1s; }
.option-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px var(--accent-glow), 0 0 0 1px rgba(0,212,255,.15);
}

.card-img { position: relative; height: 260px; overflow: hidden; background: rgba(255,255,255,.03); }
.card-img img { width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.card-img-overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, transparent 40%, rgba(4,8,15,.95)); }
.card-placeholder { width: 100%; height: 100%; }
.card-body   { padding: 22px 24px 24px; }
.card-title  { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 10px; line-height: 1.2; letter-spacing: -.01em; }
.card-desc   { font-size: 15px; color: var(--text-dim); line-height: 1.7; margin-bottom: 18px; }
.card-select-btn {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  background: rgba(255,255,255,.05); border: 1px solid var(--glass-border);
  border-radius: 10px; padding: 11px;
  font-size: 14px; font-weight: 600; color: var(--text-muted); transition: all .2s;
}
.option-card:hover .card-select-btn {
  background: rgba(0,212,255,.12); border-color: rgba(0,212,255,.3); color: var(--accent);
}

.vs-divider { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 0 20px; gap: 10px; }
.vs-line    { width: 1px; flex: 1; background: linear-gradient(to bottom, transparent, var(--glass-border), transparent); }
.vs-badge   {
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255,255,255,.04); border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; color: var(--text-muted);
  font-family: var(--mono); flex-shrink: 0;
}

.step-nav  { display: flex; align-items: center; justify-content: center; gap: 20px; }
.btn-skip  {
  font-size: 13px; color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  background: none; border: none; font-family: var(--font);
  transition: color .15s; padding: 6px;
}
.btn-skip:hover { color: var(--text-dim); }
.step-dots  { display: flex; align-items: center; gap: 6px; }
.step-dot   { width: 7px; height: 7px; border-radius: 50%; background: var(--glass-border); transition: all .2s; }
.step-dot.done   { background: rgba(0,212,255,.4); }
.step-dot.active { width: 20px; border-radius: 4px; background: var(--accent); }

/* ── Category result ── */
.cat-result { text-align: center; padding: 64px 20px; animation: fadeUp .4s ease both; }
.result-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin-bottom: 18px; }
.result-winner-card {
  display: inline-block; max-width: 320px;
  background: rgba(255,255,255,.045); border: 1px solid rgba(0,212,255,.2);
  border-radius: var(--radius); overflow: hidden; margin-bottom: 30px;
  backdrop-filter: blur(16px);
}
.result-winner-img { height: 180px; overflow: hidden; background: rgba(0,212,255,.05); }
.result-winner-img img { width: 100%; height: 100%; object-fit: cover; }
.result-winner-body { padding: 18px 22px; }
.result-winner-name { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: -.01em; }

/* ── Results page ── */
.results-wrap { max-width: 680px; margin: 0 auto; padding: 80px 24px 60px; }
.results-header { text-align: center; margin-bottom: 48px; }
.results-check {
  width: 60px; height: 60px;
  background: rgba(0,229,160,.1); border: 1px solid rgba(0,229,160,.25);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; color: var(--success);
  box-shadow: 0 0 28px rgba(0,229,160,.12);
}
.results-title { font-size: 34px; font-weight: 800; color: #fff; margin-bottom: 8px; letter-spacing: -.02em; }
.results-sub   { font-size: 15px; color: var(--text-dim); }
.results-cat {
  background: rgba(255,255,255,.045); border: 1px solid var(--glass-border);
  border-radius: var(--radius); overflow: hidden; margin-bottom: 16px;
  backdrop-filter: blur(16px);
}
.results-cat-header { padding: 16px 22px; border-bottom: 1px solid var(--glass-border); display: flex; align-items: center; gap: 10px; }
.results-cat-icon   {
  width: 32px; height: 32px;
  background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.2);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
}
.results-cat-name   { font-weight: 700; color: var(--text); font-size: 14px; }
.results-winner-row { display: flex; align-items: center; gap: 16px; padding: 16px 22px; }
.results-winner-thumb {
  width: 72px; height: 72px; border-radius: 12px; overflow: hidden;
  background: rgba(0,212,255,.06); flex-shrink: 0;
  border: 1px solid var(--glass-border);
}
.results-winner-thumb img { display: block; width: 72px; height: 72px; object-fit: cover; }
.results-winner-name  { font-weight: 700; color: #fff; font-size: 16px; margin-bottom: 4px; }
.results-winner-badge { font-size: 12px; color: var(--accent); font-weight: 600; display: flex; align-items: center; gap: 5px; }

/* ── Email opt-in ── */
.email-optin-card {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 30px 26px;
  margin-top: 12px; text-align: center;
  backdrop-filter: blur(16px);
}
.email-optin-icon {
  width: 48px; height: 48px;
  background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.2);
  border-radius: 13px; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.email-optin-title { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 7px; }
.email-optin-desc  { font-size: 14px; color: var(--text-dim); margin-bottom: 18px; line-height: 1.55; }
.email-optin-error { font-size: 13px; color: #ff4d6d; margin-bottom: 12px; }
.email-optin-form  { display: flex; gap: 9px; }
.email-optin-input {
  flex: 1; background: rgba(255,255,255,.06);
  border: 1px solid var(--glass-border); border-radius: 10px;
  padding: 11px 15px; font-size: 15px; color: var(--text);
  outline: none; transition: border-color .15s; font-family: var(--font);
}
.email-optin-input:focus { border-color: rgba(0,212,255,.4); }
.email-optin-input::placeholder { color: var(--text-muted); }
.email-optin-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, rgba(0,212,255,.15), rgba(124,58,237,.15));
  color: var(--accent); border: 1px solid rgba(0,212,255,.3);
  border-radius: 10px; padding: 11px 20px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  font-family: var(--font); white-space: nowrap; transition: all .15s;
}
.email-optin-btn:hover { border-color: rgba(0,212,255,.5); box-shadow: 0 4px 16px rgba(0,212,255,.15); }
.email-optin-hint { font-size: 12px; color: var(--text-muted); margin-top: 11px; }
.email-optin-success {
  display: flex; align-items: center; gap: 14px;
  background: rgba(0,229,160,.08); border: 1px solid rgba(0,229,160,.2);
  border-radius: 12px; padding: 16px 20px; text-align: left; color: var(--text);
}

/* ── Freetext Question ── */
.freetext-card {
  max-width: 640px; margin: 0 auto; padding: 0 24px 40px;
  display: flex; flex-direction: column; gap: 0;
}
.freetext-input {
  width: 100%; background: rgba(255,255,255,.05);
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  color: var(--text); font-family: var(--font); font-size: 17px;
  line-height: 1.75; padding: 22px 24px; resize: vertical; min-height: 220px;
  transition: border-color .2s, background .2s;
  outline: none;
}
.freetext-input:focus {
  border-color: rgba(0,212,255,.4);
  background: rgba(0,212,255,.05);
  box-shadow: 0 0 0 3px rgba(0,212,255,.1);
}
.freetext-input::placeholder { color: var(--text-muted); }
.freetext-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 4px 0; gap: 12px; flex-wrap: wrap;
}
.freetext-counter { font-size: 12px; color: var(--text-muted); font-family: var(--mono); }
.btn-freetext-submit {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border: none; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #0099cc);
  color: #000; font-family: var(--font); font-size: 15px; font-weight: 700;
  cursor: pointer; transition: opacity .15s, transform .1s;
  box-shadow: 0 4px 20px rgba(0,212,255,.25);
}
.btn-freetext-submit:hover { opacity: .88; transform: translateY(-1px); }
.btn-freetext-submit:active { transform: translateY(0); }

/* ── Custom Intro Slide ── */
.custom-intro-screen {
  display: flex; flex-direction: column; min-height: 100vh;
  background: var(--bg);
}
.custom-intro-img { width: 100%; max-height: 52vh; overflow: hidden; flex-shrink: 0; }
.custom-intro-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.custom-intro-body {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 44px 28px 40px; text-align: center;
  max-width: 620px; margin: 0 auto; width: 100%;
}
.custom-intro-title {
  font-size: 30px; font-weight: 800; color: #fff;
  line-height: 1.15; margin: 16px 0 20px; letter-spacing: -.02em;
}
.custom-intro-text {
  font-size: 17px; line-height: 1.75; color: var(--text-dim);
  max-width: 520px; margin: 0 auto 32px;
}
@media (min-width: 640px) {
  .custom-intro-screen { flex-direction: row; }
  .custom-intro-img    { width: 46%; max-height: 100vh; }
  .custom-intro-body   { padding: 52px 48px; text-align: left; align-items: flex-start; }
  .custom-intro-title  { font-size: 36px; margin-top: 0; }
  .custom-intro-text   { margin-left: 0; }
}

/* ── Error page ── */
.error-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.error-card {
  background: rgba(255,255,255,.045); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 44px; max-width: 400px; text-align: center;
  backdrop-filter: blur(16px);
}
.error-title { font-size: 26px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.error-desc  { font-size: 15px; color: var(--text-dim); line-height: 1.6; }

/* ── Animations ── */
@keyframes dealIn {
  from { opacity: 0; transform: translateY(-24px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card-win        { animation: winPulse .5s ease both; }
.card-lose-left  { animation: loseFadeLeft  .35s ease both; }
.card-lose-right { animation: loseFadeRight .35s ease both; }
@keyframes winPulse {
  50% { box-shadow: 0 0 48px var(--accent-glow), 0 0 0 2px var(--accent); border-color: var(--accent); transform: scale(1.02) translateY(-4px); }
}
@keyframes loseFadeLeft  { to { opacity: 0; transform: translateX(-48px) scale(.95); } }
@keyframes loseFadeRight { to { opacity: 0; transform: translateX( 48px) scale(.95); } }

/* ── Responsive ── */
@media (max-width: 720px) {
  .comparison-grid { grid-template-columns: 1fr; }
  .vs-divider      { flex-direction: row; padding: 14px 0; }
  .vs-line         { flex: 1; width: unset; height: 1px; }
  .option-card:nth-child(1),
  .option-card:nth-child(3) { border-radius: var(--radius); }
  .site-header     { padding: 0 18px; }
  .survey-main     { padding: 76px 16px 44px; }
  .card-img        { height: 200px; }
  .intro-title     { font-size: 30px; }
  .welcome-card    { padding: 38px 26px; }
  .email-optin-form { flex-direction: column; }
}

/* ════════════════════════════════════════
   LIGHT MODE
   ════════════════════════════════════════ */
html[data-theme="light"] {
  --bg:           #FAF9F6;
  --surface:      rgba(220,215,206,.5);
  --glass-border: #DCD7CE;
  --accent:       #7A6B58;
  --accent2:      #8a7eb0;
  --accent-glow:  rgba(122,107,88,.15);
  --success:      #3a7a5a;
  --text:         #2E2A25;
  --text-dim:     rgba(46,42,37,.68);
  --text-muted:   #ACA69A;
}
html[data-theme="light"] body {
  background-image:
    radial-gradient(ellipse 70% 50% at 15% 0%,  rgba(172,166,154,.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 85% 95%, rgba(172,166,154,.12) 0%, transparent 55%),
    radial-gradient(ellipse 40% 40% at 92% 10%, rgba(220,215,206,.20) 0%, transparent 50%);
}
html[data-theme="light"] .site-header { background: rgba(245,243,238,.9); }
html[data-theme="light"] .site-header-logo { color: var(--text); }
html[data-theme="light"] .welcome-title,
html[data-theme="light"] .intro-title,
html[data-theme="light"] .cat-title,
html[data-theme="light"] .card-title,
html[data-theme="light"] .result-winner-name,
html[data-theme="light"] .results-title,
html[data-theme="light"] .results-winner-name,
html[data-theme="light"] .email-optin-title,
html[data-theme="light"] .custom-intro-title,
html[data-theme="light"] .error-title            { color: var(--text); }
html[data-theme="light"] .card-img-overlay       { background: linear-gradient(to bottom, transparent 40%, rgba(250,249,246,.95)); }
html[data-theme="light"] .email-optin-input,
html[data-theme="light"] .freetext-input         { background: rgba(220,215,206,.35); color: var(--text); }
html[data-theme="light"] .email-optin-input::placeholder,
html[data-theme="light"] .freetext-input::placeholder { color: var(--text-muted); }
/* card select button & vs-badge in light mode */
html[data-theme="light"] .card-select-btn        { background: rgba(220,215,206,.4); color: var(--text-muted); }
html[data-theme="light"] .vs-badge               { background: rgba(220,215,206,.6); color: var(--text-muted); }
html[data-theme="light"] .results-winner-name    { color: var(--text); }
html[data-theme="light"] .results-winner-badge   { color: var(--accent); }
html[data-theme="light"] .cat-desc               { color: var(--text-dim); }
html[data-theme="light"] .intro-num              { color: var(--text-muted); }
/* "already participated" box */
html[data-theme="light"] .already-done-sub       { color: var(--text-dim); }

/* ── Theme toggle: raise above footer bar ── */
.theme-toggle-float {
  position: fixed; bottom: 46px; right: 20px; z-index: 8100;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-muted); transition: all .15s;
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
}
.theme-toggle-float:hover { color: var(--accent); transform: scale(1.1); }