/* блоки лендинга */

/* Герой — сетка и текстовая колонка */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.hero-cta { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.hero-note { margin-top: 24px; color: var(--fg-muted); font-size: 1.05rem; }
.hero-note b { color: var(--fg); }

/* HISTERIA — блоки лендинга */

.header-nav { display: flex; align-items: center; gap: 24px; font-size: 1.02rem; }
.header-nav a:not(.btn) { color: var(--fg-muted); transition: color var(--fast) var(--ease); }
.header-nav a:not(.btn):hover { color: var(--fg); }
@media (max-width: 720px) { .header-nav a:not(.btn) { display: none; } }

.trust-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
}
@media (max-width: 760px) { .trust-strip { grid-template-columns: repeat(2, 1fr); } }
.trust-item { background: var(--surface-1); padding: 26px 24px; }
.trust-value { font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 660;
               letter-spacing: -0.035em; line-height: 1.05; }
.trust-label { color: var(--fg-muted); font-size: 0.95rem; margin-top: 6px; }

.grid-4 {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-top: 48px;
}
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .grid-4 { grid-template-columns: 1fr; } }
.grid-4 .card p { color: var(--fg-muted); font-size: 1.02rem; margin-top: 10px; }

.steps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-top: 48px;
}
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.step { box-shadow: var(--shadow-sm); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1.5px solid var(--brass); color: var(--brass);
  font-size: 0.86rem; font-weight: 700; letter-spacing: 0;
  margin-bottom: 16px;
}
.step p { color: var(--fg-muted); font-size: 1.02rem; margin-top: 10px; }

/* Блок AI-анализа */
.ai-grid {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 24px; margin-top: 48px;
}
@media (max-width: 940px) { .ai-grid { grid-template-columns: 1fr; } }

/* Подпись страницы: разговор подан как расшифровка — документ,
   а не элемент интерфейса. Латунная риска сверху — как на бланке. */
.call-card {
  position: relative;
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 26px 26px 22px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.call-card::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--brass), transparent 72%);
}
.call-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.call-who { font-weight: 600; }
.call-meta { color: var(--fg-muted); font-size: 0.88rem; margin-top: 4px; }
/* Оценка проставлена на полях, как отметка проверяющего */
.score {
  text-align: center; flex: none;
  padding: 10px 16px 8px; border-radius: 12px;
  border: 1.5px solid var(--border);
}
.score-value { font-size: 2.8rem; letter-spacing: -0.05em; font-weight: 680; line-height: 1; }
.score-label {
  font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-faint); margin-top: 4px;
}
.score-danger { border-color: color-mix(in srgb, var(--danger) 45%, transparent);
                background: color-mix(in srgb, var(--danger) 7%, transparent); }
.score-danger .score-value { color: var(--danger); }

/* Засечки звучат как чужая речь. Реплики разделены линейками,
   как в стенограмме, а не залиты в отдельную коробку. */
.transcript {
  margin: 20px 0 22px;
  border-top: 1px solid var(--border);
  display: grid;
}
.line {
  font-family: var(--font-quote);
  font-size: 1.06rem; line-height: 1.55;
  color: var(--fg-muted);
  padding: 13px 0 13px 14px;
  border-bottom: 1px solid var(--border);
  border-left: 3px solid transparent;
}
.line b {
  display: block; margin-bottom: 2px;
  font-family: var(--font-body);
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--fg-faint);
}
.line-guest { border-left-color: var(--accent); color: var(--fg); }
.line-staff { border-left-color: var(--border-strong); }

.call-flags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.btn-sm { padding: 6px 14px; font-size: 0.95rem; margin-left: auto; }

.ai-points { display: grid; gap: 12px; align-content: start; }
.ai-point {
  background: var(--surface-1); box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.ai-point p { color: var(--fg-muted); font-size: 1rem; margin-top: 8px; }

/* Панель телефонии — вкладки */
.tabs { display: flex; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.tab {
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 999px;
  background: transparent; color: var(--fg-muted); font: inherit; font-size: 1rem;
  cursor: pointer;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease),
              background var(--fast) var(--ease);
}
.tab:hover { color: var(--fg); border-color: var(--border-strong); }
.tab:focus-visible { outline: 2px solid var(--accent-hover); outline-offset: 2px; }
.tab.is-active { color: var(--accent); background: var(--accent-tint);
                 border-color: var(--accent); font-weight: 600; }

.tab-panels {
  margin-top: 20px; background: var(--surface-1); box-shadow: var(--shadow-sm);
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px;
  min-height: 148px;
}
.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: panel-in 240ms var(--ease); }
.tab-panel p { color: var(--fg-muted); margin-top: 10px; max-width: 68ch; }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}

/* Периметр данных */
.perimeter-box {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: 48px; align-items: center;
}
@media (max-width: 940px) { .perimeter-box { grid-template-columns: 1fr; } }
.perimeter-list { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.perimeter-list li { padding-left: 26px; position: relative; color: var(--fg-muted); }
.perimeter-list li::before {
  content: ''; position: absolute; left: 0; top: 0.62em;
  width: 8px; height: 8px; border-radius: 50%; background: var(--ok);
}

.perimeter-ring {
  border: 1.5px dashed var(--accent); border-radius: var(--radius-lg);
  padding: 30px; background: var(--accent-tint);
}
.perimeter-core { box-shadow: var(--shadow-sm); }
.perimeter-core {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.perimeter-core-title {
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-muted);
}
.perimeter-core-items {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px;
}
.perimeter-core-items span {
  padding: 4px 12px; border: 1px solid var(--border-strong);
  border-radius: 999px; font-size: 0.92rem;
}
.perimeter-out {
  margin-top: 12px; text-align: center;
  color: var(--fg-muted); font-size: 0.95rem;
}

@media (prefers-reduced-motion: reduce) {
  .tab-panel.is-active { animation: none; }
}

/* Калькулятор цен */
.calc {
  margin-top: 40px; background: var(--surface-1); box-shadow: var(--shadow-md);
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px;
}
.calc-inputs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 800px) { .calc-inputs { grid-template-columns: 1fr; } }
.calc-field { display: block; }
.calc-label { display: block; color: var(--fg-muted); font-size: 1rem; margin-bottom: 10px; }
.calc-label b { color: var(--fg); }

.calc input[type=range] {
  width: 100%; height: 4px; border-radius: 999px;
  background: var(--border-strong); appearance: none; cursor: pointer;
}
.calc input[type=range]::-webkit-slider-thumb {
  appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg);
  transition: transform var(--fast) var(--ease);
}
.calc input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.12); }
.calc input[type=range]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg); cursor: pointer;
}
.calc input[type=range]:focus-visible { outline: 2px solid var(--accent-hover); outline-offset: 4px; }

.calc-results {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px; margin-top: 32px;
}
@media (max-width: 800px) { .calc-results { grid-template-columns: 1fr; } }
.calc-card {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.calc-card-main { border-color: var(--accent); background: var(--accent-tint); }
.calc-card-cloud { opacity: 0.72; }
.calc-card-label {
  font-size: 0.78rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--fg-muted);
}
.calc-card-value { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 600; margin-top: 8px; }
.calc-card-note { font-size: 0.92rem; color: var(--fg-muted); margin-top: 6px; }
.calc-card-cloud .calc-card-value { text-decoration: line-through; text-decoration-thickness: 1px; }
.calc-disclaimer { margin-top: 20px; font-size: 0.88rem; color: var(--fg-muted); }
.calc-error { color: var(--warn); }

/* Сравнение с облачной АТС */
.table-wrap { margin-top: 40px; overflow-x: auto; border-radius: var(--radius); }
.compare { width: 100%; border-collapse: collapse; min-width: 620px; font-size: 1.02rem; }
.compare th, .compare td {
  padding: 14px 18px; text-align: left;
  border-bottom: 1px solid var(--border);
}
.compare thead th {
  background: var(--surface-2); color: var(--fg-muted);
  font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600;
}
.compare tbody tr { background: var(--surface-1); }
.compare tbody tr:nth-child(even) { background: var(--surface-2); }
.compare tbody td:first-child { color: var(--fg-muted); }
.compare td.good { color: var(--ok); font-weight: 500; }

/* Вопросы — аккордеон */
.faq-list { margin-top: 40px; display: grid; gap: 8px; }
.faq-item {
  background: var(--surface-1); box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 4px 20px;
}
.faq-item summary {
  cursor: pointer; padding: 16px 0; font-weight: 500;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; color: var(--fg-muted); font-size: 1.3rem; line-height: 1;
  transition: transform var(--normal) var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:focus-visible { outline: 2px solid var(--accent-hover); outline-offset: 2px; }
.faq-item p { padding: 0 0 18px; color: var(--fg-muted); max-width: 78ch; }

/* Форма заявки */
.lead-box {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px; align-items: start;
}
@media (max-width: 900px) { .lead-box { grid-template-columns: 1fr; } }

.lead-form {
  background: var(--surface-1); box-shadow: var(--shadow-md); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.field { grid-column: 1 / -1; }
.field-half { grid-column: span 1; }
@media (max-width: 480px) { .field-half { grid-column: 1 / -1; } }

.field label { display: block; font-size: 0.95rem; color: var(--fg-muted); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 11px 14px;
  background: var(--surface-2); color: var(--fg);
  border: 1px solid var(--border); border-radius: 10px;
  font: inherit; font-size: 1.05rem;
  transition: border-color var(--fast) var(--ease);
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
}
.field textarea { resize: vertical; }

.consent {
  grid-column: 1 / -1; display: flex; gap: 10px; align-items: flex-start;
  font-size: 0.94rem; color: var(--fg-muted);
}
.consent a { color: var(--accent); text-decoration: underline; }
.consent input { margin-top: 3px; accent-color: var(--accent); }

.lead-form .btn { grid-column: 1 / -1; }
.form-msg { grid-column: 1 / -1; font-size: 1rem; min-height: 1.4em; }
.form-msg.is-error { color: var(--danger); }
.form-msg.is-ok { color: var(--ok); }