:root {
  --black: #0f172a;
  --white: #ffffff;
  --bg: #f8fafc;
  --accent: #F9C416;
  --accent-dark: #d4a30e;
  --accent2: #2563EB;
  --accent2-light: #dbeafe;
  --gray: #ffffff;
  --gray2: #e2e8f0;
  --text-muted: #64748b;
  --text: #0f172a;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(15,23,42,0.08);
  --shadow-sm: 0 2px 8px rgba(15,23,42,0.06);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Geologica', sans-serif;
  font-weight: 300;
  min-height: 100vh;
  overflow-x: hidden;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  z-index: 1;
  background: linear-gradient(160deg, #fffbeb 0%, #f8fafc 50%, #eff6ff 100%);
  overflow: hidden;
}

.hero::before, .hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero::before {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(249,196,22,0.15) 0%, transparent 70%);
  top: -100px; right: -100px;
}
.hero::after {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  bottom: -80px; left: -80px;
}

.hero-glow { display: none; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249,196,22,0.15);
  border: 1.5px solid rgba(249,196,22,0.5);
  border-radius: 100px;
  padding: 6px 18px;
  font-size: 13px;
  color: #92700a;
  font-weight: 500;
  margin-bottom: 2rem;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 1;
}

.badge span {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

h1 {
  font-family: 'Unbounded', sans-serif;
  /* min понижен: длинное слово «программирование» не влезало на узких экранах */
  font-size: clamp(1.5rem, 6.4vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--text);
  position: relative;
  z-index: 1;
  /* без переносов по слогам: слова не рвём дефисом */
  max-width: 100%;
  overflow-wrap: break-word;
  hyphens: none;
  -webkit-hyphens: none;
}

h1 em {
  font-style: normal;
  color: var(--accent2);
  position: relative;
}

h1 em::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 4px;
  background: var(--accent);
  border-radius: 2px;
}

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-muted);
  max-width: 500px;
  line-height: 1.75;
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.btn-start {
  background: var(--accent);
  color: var(--text);
  border: none;
  border-radius: 100px;
  padding: 18px 48px;
  font-family: 'Unbounded', sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 8px 32px rgba(249,196,22,0.4), 0 2px 8px rgba(0,0,0,0.1);
  position: relative;
  z-index: 1;
}

.btn-start:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(249,196,22,0.5), 0 4px 12px rgba(0,0,0,0.12);
}

.hero-note {
  margin-top: 1.5rem;
  font-size: 13px;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

.quiz-wrap {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 100;
  overflow-y: auto;
}

.quiz-wrap.active { display: flex; flex-direction: column; }

.quiz-header {
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--gray2);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

.quiz-logo {
  font-family: 'Unbounded', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent2);
}

.quiz-progress-wrap {
  flex: 1;
  max-width: 300px;
  margin: 0 2rem;
}

.quiz-progress-track {
  height: 6px;
  background: var(--gray2);
  border-radius: 100px;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 100px;
  transition: width 0.4s ease;
  width: 0%;
}

.quiz-step-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
  text-align: center;
  font-weight: 500;
}

.quiz-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
}

.quiz-slide {
  display: none;
  max-width: 640px;
  width: 100%;
  animation: slideIn 0.35s ease;
}

.quiz-slide.active { display: block; }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.quiz-q-num {
  font-size: 12px;
  color: var(--accent2);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.quiz-q {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(1.3rem, 2.8vw, 1.85rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.quiz-q-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  margin-bottom: 2rem;
}

.opt {
  background: var(--white);
  border: 1.5px solid var(--gray2);
  border-radius: var(--radius);
  padding: 16px 20px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  -webkit-tap-highlight-color: transparent;
}

/* На тач-экранах кнопка не должна держать подсветку фокуса после тапа —
   подсвечиваем только при выборе (класс .selected). */
.opt:focus { outline: none; }
.opt:focus:not(.selected) {
  border-color: var(--gray2);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

@media (hover: hover) and (pointer: fine) {
  .opt:hover {
    border-color: var(--accent);
    background: #fffbeb;
    box-shadow: 0 4px 16px rgba(249,196,22,0.2);
    transform: translateY(-1px);
  }
}

.opt.selected {
  border-color: var(--accent);
  background: rgba(249,196,22,0.1);
  box-shadow: 0 4px 16px rgba(249,196,22,0.25);
}

.opt-icon {
  font-size: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.opt-text { font-size: 15px; line-height: 1.5; }
.opt-text strong { display: block; font-weight: 600; margin-bottom: 2px; color: var(--text); }
.opt-text span { font-size: 13px; color: var(--text-muted); }

.input-field {
  width: 100%;
  background: var(--white);
  border: 1.5px solid var(--gray2);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 16px;
  color: var(--text);
  font-family: 'Geologica', sans-serif;
  font-weight: 400;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}

.input-field:focus {
  border-color: var(--accent2);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.input-field::placeholder { color: #94a3b8; }

.range-wrap {
  background: var(--white);
  border: 1.5px solid var(--gray2);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}

.range-display {
  font-family: 'Unbounded', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent2);
  margin-bottom: 1rem;
}

input[type=range] {
  width: 100%;
  height: 6px;
  background: var(--gray2);
  border-radius: 100px;
  outline: none;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(249,196,22,0.5);
  border: 3px solid var(--white);
}

.nav-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-back {
  background: var(--white);
  border: 1.5px solid var(--gray2);
  border-radius: 100px;
  padding: 14px 28px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  font-family: 'Geologica', sans-serif;
  font-weight: 500;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.btn-back:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.btn-next {
  background: var(--accent);
  color: var(--text);
  border: none;
  border-radius: 100px;
  padding: 14px 36px;
  font-family: 'Unbounded', sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  flex: 1;
  box-shadow: 0 4px 16px rgba(249,196,22,0.35);
}

.btn-next:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-next:not(:disabled):hover {
  box-shadow: 0 6px 24px rgba(249,196,22,0.5);
  transform: translateY(-2px);
  background: var(--accent-dark);
}

.sending-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  text-align: center;
  background: var(--bg);
}

.sending-screen.active { display: flex; }

.sending-ring {
  width: 80px;
  height: 80px;
  border: 4px solid var(--gray2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 2rem;
}

@keyframes spin { to { transform: rotate(360deg); } }

.sending-screen h2 {
  font-family: 'Unbounded', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.sending-screen p { color: var(--text-muted); font-size: 15px; }

.success-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  text-align: center;
  background: var(--bg);
}

.success-screen.active { display: flex; }

.success-icon {
  width: 100px;
  height: 100px;
  background: rgba(249,196,22,0.15);
  border: 3px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  margin-bottom: 2rem;
  animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.success-screen h2 {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
  color: var(--text);
}

.success-screen p {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 440px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.success-screen p strong { color: var(--text); }

.btn-restart {
  background: var(--white);
  border: 1.5px solid var(--gray2);
  border-radius: 100px;
  padding: 14px 32px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  font-family: 'Geologica', sans-serif;
  font-weight: 500;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.btn-restart:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.error-msg {
  color: #dc2626;
  font-size: 14px;
  margin-top: 0.5rem;
  display: none;
  font-weight: 500;
}

.audio-block {
  background: var(--white);
  border: 1.5px solid var(--gray2);
  border-radius: var(--radius);
  padding: 28px 24px;
  margin-bottom: 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.btn-record {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--text);
  border: none;
  border-radius: 100px;
  padding: 16px 36px;
  font-family: 'Geologica', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(249,196,22,0.35);
  margin-bottom: 16px;
}

.btn-record:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(249,196,22,0.5);
  background: var(--accent-dark);
}

.btn-record.recording {
  background: #fef2f2;
  color: #ef4444;
  border: 1.5px solid #ef4444;
  box-shadow: 0 0 0 4px rgba(239,68,68,0.12);
  animation: recordPulse 1.5s ease infinite;
}

.btn-record.done {
  background: #f0fdf4;
  color: #16a34a;
  border: 1.5px solid #16a34a;
  box-shadow: none;
}

.rec-icon {
  font-size: 18px;
  line-height: 1;
}

@keyframes recordPulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(239,68,68,0.12); }
  50%       { box-shadow: 0 0 0 8px rgba(239,68,68,0.06); }
}

.rec-status {
  font-size: 13px;
  color: var(--text-muted);
  min-height: 20px;
  margin-bottom: 12px;
  font-weight: 500;
}

.rec-waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 36px;
  margin-bottom: 12px;
  opacity: 0;
  transition: opacity 0.3s;
}

.rec-waveform.active { opacity: 1; }

.rec-waveform .bar {
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 100px;
  transition: height 0.15s ease;
}

.rec-waveform.active .bar:nth-child(1) { animation: wave 1s ease-in-out infinite 0s; }
.rec-waveform.active .bar:nth-child(2) { animation: wave 1s ease-in-out infinite 0.15s; }
.rec-waveform.active .bar:nth-child(3) { animation: wave 1s ease-in-out infinite 0.3s; }
.rec-waveform.active .bar:nth-child(4) { animation: wave 1s ease-in-out infinite 0.45s; }
.rec-waveform.active .bar:nth-child(5) { animation: wave 1s ease-in-out infinite 0.6s; }

@keyframes wave {
  0%, 100% { height: 6px; }
  50%       { height: 28px; }
}

.oral-feedback {
  font-size: 13px;
  color: var(--text-muted);
  min-height: 18px;
  line-height: 1.6;
}

@media (max-width: 600px) {
  .options-grid { grid-template-columns: 1fr; gap: 10px; }
  .quiz-progress-wrap { max-width: 160px; }
  .hero { padding: 1.5rem 1.1rem; min-height: 100svh; }
  h1 { font-size: clamp(1.45rem, 6.6vw, 2.2rem); letter-spacing: -0.02em; }
  .hero-logo { width: 170px; margin-bottom: 18px; }
  .hero-sub { margin-bottom: 2rem; }
  .btn-start { padding: 16px 36px; font-size: 14px; width: 100%; max-width: 320px; }
  .quiz-body { padding: 1.5rem 1.1rem; align-items: flex-start; }
  .quiz-header { padding: 12px 14px; }
  .quiz-logo-img { height: 30px; }
  .quiz-q { font-size: 1.2rem; }
  .opt { padding: 14px 16px; gap: 10px; }
  .opt-icon { font-size: 1.4rem; }
  .input-field { font-size: 16px; padding: 14px 16px; }
  .nav-row { gap: 10px; }
  .btn-next, .btn-back { padding: 13px 20px; font-size: 14px; }
  .diag-toggle { flex-direction: row; padding: 12px 16px; gap: 10px; max-width: 100%; }
  .diag-toggle-text strong { font-size: 13.5px; }
  .diag-toggle-text span { font-size: 11.5px; }
  .eng-video-wrap iframe { height: 200px; }
  .eng-reading-text { font-size: 14px; padding: 14px; }
  .audio-block { padding: 16px; }
}

.diag-toggle {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1.5px solid var(--gray2);
  border-radius: 100px;
  padding: 12px 22px;
  margin: 0 auto 22px;
  max-width: 440px;
  box-shadow: var(--shadow-sm);
  text-align: left;
}
.diag-toggle-text { display: flex; flex-direction: column; line-height: 1.3; }
.diag-toggle-text strong { font-size: 15px; color: var(--text); }
.diag-toggle-text span { font-size: 12.5px; color: var(--text-muted); }

.switch { position: relative; display: inline-block; width: 50px; height: 28px; flex: 0 0 auto; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider-sw {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--gray2); border-radius: 100px; transition: .25s;
}
.slider-sw::before {
  content: ""; position: absolute; height: 22px; width: 22px;
  left: 3px; top: 3px; background: #fff; border-radius: 50%;
  transition: .25s; box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.switch input:checked + .slider-sw { background: var(--accent2); }
.switch input:checked + .slider-sw::before { transform: translateX(22px); }

.hero-logo { width: 220px; max-width: 70%; height: auto; border-radius: 14px; margin: 0 auto 22px; display: block; }
.quiz-logo-img { height: 38px; width: auto; border-radius: 8px; display: block; }