/* ==============================================================
   calculator.css — страница калькулятора окупаемости
   ============================================================== */

/* === Hero === */
.calc-hero {
    padding: 56px 0 48px;
    position: relative;
    overflow: hidden;
}
.calc-hero::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -100px;
    width: 700px;
    height: 500px;
    background: radial-gradient(ellipse at center, rgba(255, 92, 0, 0.05) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
}
.calc-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 760px;
}
.calc-hero .kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 20px;
}
.calc-hero .kicker::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.calc-hero h1 {
    font-family: 'Inter Tight', sans-serif;
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--ink);
    margin-bottom: 16px;
}
.calc-hero h1 em {
    font-style: italic;
    font-weight: 500;
    color: var(--accent);
}
.calc-hero p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--muted);
    max-width: 620px;
}

/* === Главный контейнер калькулятора === */
.calc-section {
    padding: 0 0 80px;
}
.calc-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 24px;
    align-items: start;
}
@media (max-width: 960px) {
    .calc-grid { grid-template-columns: 1fr; }
}

/* === Левая панель: форма === */
.calc-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
}
.calc-form-head {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.calc-field {
    margin-bottom: 22px;
}
.calc-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 8px;
    letter-spacing: -0.005em;
}
.calc-label-value {
    font-family: 'Inter Tight', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: -0.01em;
}
.calc-hint {
    font-size: 12px;
    color: var(--muted-2);
    margin-top: 6px;
    line-height: 1.45;
}

/* Слайдер */
.calc-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
    margin: 8px 0;
}
.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--bg);
    box-shadow: 0 0 0 1px var(--accent), 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.15s ease;
}
.calc-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}
.calc-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--bg);
    box-shadow: 0 0 0 1px var(--accent), 0 2px 4px rgba(0,0,0,0.1);
}

.calc-slider-meta {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--muted-2);
    letter-spacing: 0.05em;
}

/* CPC пресеты — таб-стиль */
.calc-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin-bottom: 10px;
}
@media (max-width: 540px) {
    .calc-presets { grid-template-columns: repeat(2, 1fr); }
}

.calc-preset {
    cursor: pointer;
    padding: 10px 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    text-align: center;
    transition: all 0.15s ease;
    position: relative;
}
.calc-preset input { position: absolute; opacity: 0; pointer-events: none; }
.calc-preset:hover {
    border-color: var(--muted-3);
}
.calc-preset:has(input:checked) {
    border-color: var(--accent);
    background: var(--accent-soft);
}
.calc-preset-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: 2px;
}
.calc-preset-price {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 0.03em;
}

.calc-preset-examples {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.5;
    padding: 10px 12px;
    background: var(--bg);
    border-radius: 6px;
    border: 1px solid var(--border-subtle);
    margin-top: 8px;
    min-height: 36px;
}

/* Числовые инпуты */
.calc-input-wrap {
    position: relative;
}
.calc-input {
    width: 100%;
    padding: 11px 36px 11px 14px;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    color: var(--ink);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    -webkit-appearance: none;
    appearance: none;
}
.calc-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.calc-input-suffix {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--muted-2);
    pointer-events: none;
}

/* Toggle для опционального поля */
.calc-toggle {
    margin-top: 4px;
    margin-bottom: 0;
}
.calc-toggle-btn {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 13px;
    cursor: pointer;
    padding: 6px 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.15s ease;
    font-family: 'Inter', sans-serif;
}
.calc-toggle-btn:hover { color: var(--ink); }
.calc-toggle-btn::before {
    content: '+';
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: var(--accent);
    font-weight: 500;
}
.calc-toggle.open .calc-toggle-btn::before {
    content: '−';
}
.calc-toggle-content {
    display: none;
    margin-top: 14px;
}
.calc-toggle.open .calc-toggle-content {
    display: block;
}

/* === Правая панель: результаты === */
.calc-results {
    background: var(--ink);
    color: var(--bg);
    border-radius: 16px;
    padding: 32px;
    position: sticky;
    top: 80px;
    overflow: hidden;
}
.calc-results::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: radial-gradient(ellipse at top right, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at top right, black 0%, transparent 70%);
    pointer-events: none;
}
.calc-results-inner {
    position: relative;
    z-index: 1;
}
@media (max-width: 960px) {
    .calc-results { position: static; }
}

.calc-results-head {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* Главный показатель — заявки/заказы */
.calc-main-metric {
    text-align: left;
    margin-bottom: 28px;
}
.calc-main-value {
    font-family: 'Inter Tight', sans-serif;
    font-size: clamp(48px, 6vw, 64px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    color: #fff;
    margin-bottom: 6px;
}
.calc-main-label {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    line-height: 1.45;
}

/* Сетка вторичных метрик */
.calc-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}
.calc-metric {
    padding: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
}
.calc-metric-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.5);
    margin-bottom: 6px;
}
.calc-metric-value {
    font-family: 'Inter Tight', sans-serif;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #fff;
    line-height: 1;
}
.calc-metric-value.positive { color: #34D399; }
.calc-metric-value.negative { color: #F87171; }

/* Интерпретация */
.calc-interpretation {
    padding: 18px;
    border-radius: 10px;
    margin-bottom: 24px;
    border: 1px solid;
    background: rgba(255,255,255,0.03);
}
.calc-interpretation.excellent { border-color: rgba(52,211,153,0.4); }
.calc-interpretation.good      { border-color: rgba(96,165,250,0.4); }
.calc-interpretation.medium    { border-color: rgba(251,191,36,0.4); }
.calc-interpretation.warning   { border-color: rgba(251,146,60,0.4); }
.calc-interpretation.bad       { border-color: rgba(248,113,113,0.4); }

.calc-interpretation-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Inter Tight', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}
.calc-interpretation-title::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.calc-interpretation.excellent .calc-interpretation-title::before { background: #34D399; }
.calc-interpretation.good      .calc-interpretation-title::before { background: #60A5FA; }
.calc-interpretation.medium    .calc-interpretation-title::before { background: #FBBF24; }
.calc-interpretation.warning   .calc-interpretation-title::before { background: #FB923C; }
.calc-interpretation.bad       .calc-interpretation-title::before { background: #F87171; }

.calc-interpretation-text {
    font-size: 14px;
    line-height: 1.55;
    color: rgba(255,255,255,0.75);
}

/* CTA снизу результатов */
.calc-cta {
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: left;
}
.calc-cta-text {
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    margin-bottom: 12px;
    line-height: 1.5;
}
.calc-cta-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.calc-cta-buttons .btn-primary {
    background: var(--accent);
    border: 1px solid var(--accent);
    font-size: 13px;
    padding: 10px 16px;
}
.calc-cta-buttons .btn-primary:hover {
    background: #FF6F1F;
}
.calc-cta-buttons .btn-ghost-dark {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.85);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.15s ease;
}
.calc-cta-buttons .btn-ghost-dark:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
}

/* === Disclaimer внизу страницы === */
.calc-disclaimer {
    padding: 28px 0 60px;
}
.calc-disclaimer-card {
    padding: 24px 28px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
    max-width: 920px;
    margin: 0 auto;
}
.calc-disclaimer-card strong {
    color: var(--ink-2);
}

/* === SEO-текст под калькулятором === */
.calc-seo {
    padding: 80px 0;
    background: var(--bg-subtle);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}
.calc-seo-inner {
    max-width: 760px;
    margin: 0 auto;
}
.calc-seo h2 {
    font-family: 'Inter Tight', sans-serif;
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 16px;
}
.calc-seo h3 {
    font-family: 'Inter Tight', sans-serif;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin: 28px 0 10px;
}
.calc-seo p {
    font-size: 15px;
    color: var(--ink-2);
    line-height: 1.65;
    margin-bottom: 14px;
}
.calc-seo .section-label {
    margin-bottom: 16px;
}