:root {
  --bg: #0c1222;
  --bg-elevated: #141d33;
  --bg-soft: #f4f6fa;
  --surface: #ffffff;
  --text: #0f172a;
  --text-soft: #64748b;
  --text-on-dark: #e2e8f0;
  --text-muted-dark: #94a3b8;
  --accent: #e8a317;
  --accent-dark: #c88a0f;
  --border: #e2e8f0;
  --border-dark: rgba(255,255,255,0.1);
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1140px;
  --font: "Manrope", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--surface);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 18, 34, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}
.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
}
.logo span { color: var(--accent); }
.nav-panel {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted-dark);
  transition: color 0.2s;
}
.nav a:hover { color: #fff; }
.header__phone {
  font-weight: 700;
  color: #fff;
  font-size: 0.95rem;
  white-space: nowrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s, box-shadow 0.2s;
  font-family: inherit;
}
.btn--primary {
  background: var(--accent);
  color: #1a1200;
  box-shadow: 0 4px 20px rgba(232, 163, 23, 0.35);
}
.btn--primary:hover { background: #f5b83d; transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: #fff;
  border: 1px solid var(--border-dark);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.section--soft .btn--ghost,
.survey-quiz .btn--ghost {
  color: var(--text);
  border-color: var(--border);
}
.section--soft .btn--ghost:hover,
.survey-quiz .btn--ghost:hover {
  color: var(--accent-dark);
  border-color: var(--accent);
  background: #fffbeb;
}
.btn--dark {
  background: var(--bg);
  color: #fff;
}
.btn--outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent-dark);
}
.nav-burger {
  display: none;
  width: 44px; height: 44px;
  border: none; background: rgba(255,255,255,0.08);
  border-radius: 8px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-burger span {
  display: block;
  width: 20px; height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: transform 0.25s, opacity 0.2s;
}
#site-header.nav-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#site-header.nav-open .nav-burger span:nth-child(2) { opacity: 0; }
#site-header.nav-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}
#site-header.nav-open .nav-backdrop { display: block; }
body.nav-no-scroll { overflow: hidden; }

/* Hero */
.hero {
  background: var(--bg);
  color: var(--text-on-dark);
  padding: 40px 0 44px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(232,163,23,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(59,130,246,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: start;
  position: relative;
  z-index: 1;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-dark);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted-dark);
  margin-bottom: 12px;
}
.hero__badge i { color: var(--accent); }
.hero h1 {
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero__lead {
  font-size: 0.98rem;
  color: var(--text-muted-dark);
  max-width: 48ch;
  margin-bottom: 16px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.hero__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.metric {
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.metric strong {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--accent);
  white-space: nowrap;
}
.metric span { font-size: 0.8rem; color: var(--text-muted-dark); }

.card-form {
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 24px 48px rgba(0,0,0,0.25);
}
.card-form h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.card-form > p {
  font-size: 0.85rem;
  color: var(--text-soft);
  margin-bottom: 14px;
}
.field { margin-bottom: 10px; }
.field input, .field select {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,163,23,0.2);
}
.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.8rem;
  color: var(--text-soft);
  margin: 12px 0 16px;
}
.consent input { margin-top: 3px; flex-shrink: 0; }
.consent a { color: var(--accent-dark); text-decoration: underline; }
.form-status { font-size: 0.875rem; margin-bottom: 10px; display: none; }
.btn--full { width: 100%; }

/* Sections */
.section { padding: 44px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--bg); color: var(--text-on-dark); }
.section__head {
  max-width: 720px;
  margin-bottom: 24px;
}
.section__head--row {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 40px;
  align-items: end;
}
.section__desc--side {
  margin: 0;
  font-size: 0.92rem;
  text-align: left;
}
.section__kicker {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-dark);
  margin-bottom: 10px;
}
.section--dark .section__kicker { color: var(--accent); }
.section h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 8px;
}
.section__desc {
  font-size: 0.92rem;
  color: var(--text-soft);
}
.section--dark .section__desc { color: var(--text-muted-dark); }

/* Audience */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.audience-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.audience-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(15,23,42,0.06);
}
.audience-card__icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: #fff7e6;
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  margin-bottom: 10px;
}
.audience-card h3 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.audience-card p { font-size: 0.9rem; color: var(--text-soft); }

/* Solutions */
.solutions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.solution {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  padding: 18px;
}
.solution__tag {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 12px;
}
.solution h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}
.solution p { font-size: 0.92rem; color: var(--text-muted-dark); margin-bottom: 16px; }
.solution ul { list-style: none; }
.solution li {
  font-size: 0.88rem;
  color: var(--text-muted-dark);
  padding: 6px 0;
  padding-left: 22px;
  position: relative;
}
.solution li::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* Process */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 12px;
}
.step__num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-dark);
  margin-bottom: 10px;
}
.step h3 { font-size: 0.95rem; font-weight: 800; margin-bottom: 8px; }
.step p { font-size: 0.85rem; color: var(--text-soft); }
.step__time {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text);
  background: var(--bg-soft);
  padding: 4px 10px;
  border-radius: 6px;
}

/* Specs */
.specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.spec {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.spec dt {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-soft);
  margin-bottom: 6px;
}
.spec dd { font-size: 0.95rem; font-weight: 600; }

/* Scope list */
.scope-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px 24px;
  list-style: none;
  font-size: 0.9rem;
  color: var(--text-soft);
}
.scope-list li {
  padding-left: 16px;
  position: relative;
}
.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.process-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 28px 0 16px;
  letter-spacing: -0.02em;
}

/* Survey quiz */
.survey-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px 24px;
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06);
}
.survey-quiz { position: relative; }
.quiz-steps {
  position: relative;
  min-height: 220px;
}
#survey .quiz-step {
  display: none !important;
}
#survey .quiz-step.is-active {
  display: block !important;
}
#survey .quiz-step[hidden] {
  display: none !important;
}
.quiz-progress { margin-bottom: 20px; }
.quiz-dots {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.quiz-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.25s, transform 0.25s;
}
.quiz-dot.is-on {
  background: var(--accent);
  transform: scale(1.1);
}
.quiz-dot.is-done {
  background: var(--accent-dark);
}
.quiz-progress__track {
  height: 6px;
  background: var(--bg-soft);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 10px;
}
.quiz-progress__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent));
  border-radius: 999px;
  transition: width 0.35s ease;
}
.quiz-progress__meta {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-soft);
  margin: 0;
}
.quiz-step.is-active {
  animation: quiz-in 0.35s ease;
}
@keyframes quiz-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
#survey .quiz-nav .quiz-submit {
  display: none !important;
}
#survey .survey-quiz.is-step-last .quiz-nav .quiz-next {
  display: none !important;
}
#survey .survey-quiz.is-step-last .quiz-nav .quiz-submit {
  display: inline-flex !important;
}
.quiz-step__kicker {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-dark);
  margin-bottom: 8px;
}
.quiz-step__title {
  font-size: clamp(1.2rem, 2.2vw, 1.45rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  line-height: 1.25;
}
.quiz-step__hint {
  font-size: 0.9rem;
  color: var(--text-soft);
  margin: -10px 0 16px;
}
.quiz-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  text-align: left;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.15s;
}
.quiz-option:hover {
  border-color: rgba(232, 163, 23, 0.45);
  background: #fff;
}
.quiz-option.is-selected {
  border-color: var(--accent);
  background: #fffbeb;
  box-shadow: 0 0 0 3px rgba(232, 163, 23, 0.2);
}
.quiz-option__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--surface);
  color: var(--accent-dark);
  font-size: 1rem;
}
.quiz-option.is-selected .quiz-option__icon {
  background: var(--accent);
  color: #1a1200;
}
.quiz-option__label { line-height: 1.35; }
.quiz-error {
  margin-top: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #b91c1c;
}
.quiz-contacts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
  margin-bottom: 4px;
}
.quiz-contacts label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.quiz-contacts .field { margin-bottom: 0; }
.survey-quiz .consent { margin: 14px 0 12px; }
.quiz-form-status { margin-bottom: 8px; }
.quiz-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.quiz-nav .btn { min-width: 140px; }
.quiz-nav .quiz-back { margin-right: auto; }
@media (max-width: 768px) {
  .quiz-steps { min-height: 200px; }
}

/* Success page */
.sent-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-soft);
}
.sent-body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 85% 10%, rgba(232, 163, 23, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 5% 90%, rgba(12, 18, 34, 0.06) 0%, transparent 50%);
}
.sent-header { position: relative; z-index: 2; }
.sent-main {
  flex: 1;
  position: relative;
  z-index: 1;
  padding: 32px 0 48px;
  display: flex;
  align-items: center;
}
.sent-wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: stretch;
  max-width: 920px;
  margin: 0 auto;
}
.sent-status,
.sent-contact {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.08);
}
.sent-status {
  padding: 36px 32px 32px;
  animation: sent-in 0.5s ease;
}
.sent-contact {
  padding: 28px 26px 26px;
  display: flex;
  flex-direction: column;
  animation: sent-in 0.5s ease 0.08s both;
}
@keyframes sent-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.sent-status__badge {
  position: relative;
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: linear-gradient(145deg, #ecfdf5, #a7f3d0);
  color: #047857;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}
.sent-status__ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(5, 150, 105, 0.25);
  animation: sent-pulse 2s ease infinite;
}
@keyframes sent-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.06); opacity: 0.5; }
}
.sent-status__kicker {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-dark);
  margin-bottom: 8px;
}
.sent-status__title {
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 12px;
}
.sent-status__lead {
  font-size: 0.98rem;
  color: var(--text-soft);
  line-height: 1.55;
  margin-bottom: 28px;
  max-width: 42ch;
}
.sent-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.sent-timeline__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}
.sent-timeline__item:first-child { border-top: none; padding-top: 0; }
.sent-timeline__dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  background: var(--bg-soft);
  color: var(--text-soft);
  border: 2px solid var(--border);
}
.sent-timeline__item.is-done .sent-timeline__dot {
  background: #ecfdf5;
  border-color: #6ee7b7;
  color: #059669;
  font-size: 0.9rem;
}
.sent-timeline__item.is-current .sent-timeline__dot {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1200;
}
.sent-timeline__item strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 2px;
}
.sent-timeline__item span {
  font-size: 0.84rem;
  color: var(--text-soft);
  line-height: 1.4;
}
.sent-contact__title {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.sent-contact__text {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.5;
  margin-bottom: 18px;
}
.sent-channels {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}
.sent-channel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-soft);
  transition: transform 0.15s, box-shadow 0.2s, border-color 0.2s, background 0.2s;
}
.sent-channel:hover {
  transform: translateY(-2px);
  background: #fff;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}
.sent-channel__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.sent-channel__icon--max {
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.02em;
}
.sent-channel--wa .sent-channel__icon { background: #dcfce7; color: #16a34a; }
.sent-channel--tg .sent-channel__icon { background: #e0f2fe; color: #0284c7; }
.sent-channel--max .sent-channel__icon { background: #ede9fe; color: #6d28d9; }
.sent-channel__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sent-channel__body strong {
  font-size: 0.95rem;
  font-weight: 800;
}
.sent-channel__body span {
  font-size: 0.8rem;
  color: var(--text-soft);
}
.sent-channel__arrow {
  color: var(--text-soft);
  font-size: 0.85rem;
  opacity: 0.5;
  transition: opacity 0.2s, transform 0.2s;
}
.sent-channel:hover .sent-channel__arrow {
  opacity: 1;
  transform: translateX(3px);
  color: var(--accent-dark);
}
.sent-call {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: #fff;
  transition: transform 0.15s, background 0.2s;
}
.sent-call:hover {
  transform: translateY(-2px);
  background: var(--bg-elevated);
  color: #fff;
}
.sent-call__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
}
.sent-call__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sent-call__body strong {
  font-size: 0.95rem;
  font-weight: 800;
}
.sent-call__body span {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
}
.sent-contact__home {
  width: 100%;
  margin-top: auto;
}
.sent-footer {
  position: relative;
  z-index: 2;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
}
.sent-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  font-size: 0.85rem;
  color: var(--text-soft);
}
.sent-footer a {
  font-weight: 700;
  color: var(--accent-dark);
}
.sent-footer a:hover { text-decoration: underline; }

/* Calculator */
.calc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
}
.calc-panel label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.calc-panel input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  margin-bottom: 14px;
}
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.calc-result {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed var(--border);
  display: none;
}
.calc-result.is-open { display: block; }
.res-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.res-row strong { font-weight: 800; }

/* FAQ */
.faq { max-width: 100%; }
.faq--wide { max-width: 100%; }
.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  background: var(--surface);
}
.faq summary {
  padding: 18px 20px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq__a {
  padding: 0 20px 18px;
  font-size: 0.95rem;
  color: var(--text-soft);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin: 0 20px 18px;
}

/* Footer */
.footer {
  background: var(--bg);
  color: var(--text-muted-dark);
  padding: 36px 0 20px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer__brand h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.footer__brand h2 span { color: var(--accent); }
.footer a:hover { color: var(--accent); }
.footer__phone {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin: 16px 0 8px;
}
.footer h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  margin-bottom: 14px;
}
.footer ul { list-style: none; }
.footer li { margin-bottom: 8px; font-size: 0.9rem; }
.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}

/* Modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(12,18,34,0.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 36px 28px 28px;
  max-width: 440px;
  width: 100%;
  position: relative;
}
.modal__close {
  position: absolute;
  top: 12px; right: 12px;
  width: 36px; height: 36px;
  border: none;
  background: var(--bg-soft);
  border-radius: 8px;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text-soft);
}
.modal h3 { font-size: 1.35rem; font-weight: 800; margin-bottom: 10px; padding-right: 32px; }
.modal > p { font-size: 0.95rem; color: var(--text-soft); margin-bottom: 20px; }

@media (max-width: 1024px) {
  .section__head--row { grid-template-columns: 1fr; }
  .scope-list { grid-template-columns: repeat(2, 1fr); }
  .hero__grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions { grid-template-columns: 1fr; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .specs { grid-template-columns: repeat(2, 1fr); }
  .calc { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .header__phone--desk { display: none; }
  .nav-burger { display: flex; }
  #site-header.nav-open .nav-panel {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(300px, 88vw);
    background: var(--bg);
    padding: 80px 24px 24px;
    z-index: 101;
    align-items: stretch;
    gap: 8px;
    box-shadow: -8px 0 32px rgba(0,0,0,0.3);
  }
  #site-header.nav-open .nav-panel a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-dark);
    color: var(--text-on-dark);
  }
  .nav-panel { display: none; }
  .hero { padding: 32px 0 36px; }
  .hero__metrics { flex-direction: column; gap: 6px; }
  .section { padding: 36px 0; }
  .scope-list { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .specs { grid-template-columns: 1fr; }
  .quiz-options { grid-template-columns: 1fr; }
  .quiz-contacts { grid-template-columns: 1fr; }
  .quiz-nav .btn { flex: 1; min-width: 0; }
  .quiz-nav .quiz-back { margin-right: 0; }
  .survey-box { padding: 24px 20px; }
  .sent-wrap { grid-template-columns: 1fr; max-width: 520px; }
  .sent-status { padding: 28px 22px 24px; }
  .sent-contact { padding: 24px 20px 22px; }
  .sent-main { padding: 24px 0 36px; }
  .calc { padding: 24px 20px; }
  .calc-row { grid-template-columns: 1fr; }
}