:root {
    --bg-dark: #101216;
    --bg-elevated: rgba(19, 22, 27, 0.88);
    --bg-panel: rgba(10, 12, 15, 0.78);
    --bg-field: rgba(255, 255, 255, 0.055);
    --accent-red: #D92525;
    --accent-red-dark: #A9161F;
    --accent-green: #45D383;
    --accent-blue: #6EA8FE;
    --accent-gold: #F5B942;
    --text-main: #F5F7FA;
    --text-soft: #D9DFE7;
    --text-muted: #A9B1BD;
    --text-dim: #7E8794;
    --border-color: rgba(255, 255, 255, 0.12);
    --border-strong: rgba(255, 255, 255, 0.2);
    --focus-ring: rgba(217, 37, 37, 0.42);
    --font-body: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Oswald', 'Manrope', system-ui, sans-serif;
}

html,
body {
    max-width: 100%;
    overflow-x: clip;
}

body {
    min-height: 100vh;
    margin: 0;
    background:
        linear-gradient(rgba(8, 9, 11, 0.88), rgba(8, 9, 11, 0.94)),
        url('header-camo.png') center / cover fixed;
    color: var(--text-main);
    font-family: var(--font-body);
    text-rendering: geometricPrecision;
}

a { color: inherit; }

a:focus-visible,
button:focus-visible,
.form-control:focus-visible,
.form-check-input:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 3px;
    box-shadow: none;
}

h1,
h2,
h3,
.brand-title,
.display-value {
    font-family: var(--font-display);
    letter-spacing: 0;
}

.text-muted { color: var(--text-muted) !important; }
.text-soft { color: var(--text-soft) !important; }
.text-accent { color: var(--accent-red) !important; }
.ls-1 { letter-spacing: 1px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--border-color);
    background:
        linear-gradient(rgba(4, 5, 7, 0.78), rgba(4, 5, 7, 0.86)),
        url('header-camo.png') center / cover;
    backdrop-filter: blur(12px);
}

.brand-logo {
    width: 60px;
    height: 40px;
    object-fit: contain;
}

.brand-title {
    max-width: 230px;
    color: var(--text-main);
    font-size: 18px;
    line-height: 1;
}

.nav-link-custom {
    color: var(--text-soft);
    text-decoration: none;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.nav-link-custom:hover {
    color: var(--text-main);
}

.language-select {
    width: 72px;
    height: 38px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.24);
    color: var(--text-main);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    padding: 0 10px;
}

.btn-primary-custom {
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
    background: var(--accent-red);
    color: #fff;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.btn-primary-custom:hover {
    background: var(--accent-red-dark);
    color: #fff;
}

.calculator-shell {
    padding: 42px 0 64px;
}

.hero-grid {
    display: block;
}

.hero-panel,
.calc-panel,
.lead-panel {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: linear-gradient(145deg, var(--bg-elevated), var(--bg-panel));
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.hero-panel {
    padding: clamp(24px, 4vw, 44px);
    overflow: hidden;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-title {
    max-width: 820px;
    margin: 14px 0 18px;
    color: var(--text-main);
    font-size: clamp(2.35rem, 7vw, 5.2rem);
    line-height: 0.96;
    overflow-wrap: anywhere;
}

.hero-copy {
    max-width: 760px;
    color: var(--text-soft);
    font-size: 1.05rem;
    line-height: 1.65;
}

.metric-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 26px;
}

.metric-tile {
    min-width: 0;
    border-left: 2px solid var(--accent-red);
    background: rgba(255, 255, 255, 0.035);
    padding: 14px;
}

.metric-tile strong {
    display: block;
    color: var(--text-main);
    font-size: 1.2rem;
    line-height: 1.15;
    overflow-wrap: anywhere;
}

.metric-tile small {
    display: block;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 800;
    line-height: 1.35;
    text-transform: uppercase;
}

.display-value {
    color: var(--text-main);
    font-size: clamp(1.85rem, 4vw, 3rem);
    line-height: 0.95;
    overflow-wrap: anywhere;
}

.currency-stack {
    display: grid;
    gap: 8px;
    margin-top: 18px;
}

.currency-line {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
    color: var(--text-soft);
    font-size: 0.95rem;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.summary-cell {
    min-width: 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
    padding: 12px;
}

.summary-cell small {
    display: block;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.summary-cell strong {
    display: block;
    margin-top: 4px;
    color: var(--text-main);
    overflow-wrap: anywhere;
}

.work-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
    gap: 24px;
    margin-top: 24px;
    align-items: start;
}

.calc-panel,
.lead-panel {
    padding: clamp(18px, 3vw, 28px);
}

.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.section-head h2 {
    margin: 0;
    font-size: clamp(1.65rem, 4vw, 2.35rem);
    line-height: 1;
}

.condition-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.condition-card {
    min-width: 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
    padding: 14px;
}

.condition-card label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.condition-card strong {
    display: block;
    color: var(--text-main);
    line-height: 1.25;
}

.condition-card small {
    display: block;
    margin-top: 4px;
    color: var(--text-muted);
    line-height: 1.35;
}

.month-control {
    display: grid;
    grid-template-columns: 1fr 84px;
    gap: 8px;
    align-items: center;
    margin-top: 12px;
}

.month-control span {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.form-check-input {
    margin-top: 3px;
    background-color: rgba(255, 255, 255, 0.09);
    border-color: var(--border-strong);
}

.form-check-input:checked {
    background-color: var(--accent-red);
    border-color: var(--accent-red);
}

.form-control,
.qty-input {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-field);
    color: var(--text-main);
}

.form-control:focus,
.qty-input:focus {
    border-color: rgba(217, 37, 37, 0.58);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    box-shadow: none;
}

.category-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    margin-bottom: 18px;
}

.category-tab {
    flex: 0 0 auto;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-soft);
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 900;
    text-decoration: none;
    text-transform: uppercase;
}

.category-tab:hover {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-main);
}

.category-block {
    scroll-margin-top: 110px;
    border-top: 1px solid var(--border-color);
    padding-top: 18px;
    margin-top: 18px;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.category-icon {
    display: inline-flex;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(217, 37, 37, 0.12);
    color: var(--accent-red);
    font-size: 18px;
}

.category-title h3 {
    margin: 0;
    color: var(--text-main);
    font-size: 1.25rem;
}

.equipment-list {
    display: grid;
    gap: 8px;
}

.equipment-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(112px, max-content) 132px;
    gap: 12px;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
    padding: 12px;
}

.equipment-name {
    min-width: 0;
    color: var(--text-main);
    font-weight: 800;
    line-height: 1.25;
}

.equipment-amount {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 900;
    text-align: right;
    white-space: nowrap;
}

.qty-control {
    display: grid;
    grid-template-columns: 36px minmax(42px, 1fr) 36px;
    gap: 6px;
    align-items: center;
    justify-self: end;
    min-width: 132px;
}

.qty-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main);
    font-weight: 900;
}

.qty-btn:hover {
    border-color: var(--border-strong);
    background: rgba(255, 255, 255, 0.1);
}

.qty-input {
    width: 100%;
    height: 36px;
    padding: 0 4px;
    text-align: center;
    font-weight: 900;
    appearance: textfield;
    -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    margin: 0;
    appearance: none;
    -webkit-appearance: none;
}

.breakdown-list {
    display: grid;
    gap: 8px;
    max-height: 220px;
    overflow: auto;
    margin-top: 18px;
    padding-right: 4px;
}

.breakdown-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid var(--border-color);
    padding-top: 8px;
    color: var(--text-soft);
    font-size: 13px;
}

.breakdown-row span:first-child {
    min-width: 0;
}

.breakdown-row strong {
    flex: 0 0 auto;
    color: var(--text-main);
}

.lead-panel {
    position: sticky;
    top: 92px;
    align-self: start;
    max-height: calc(100vh - 112px);
    overflow: auto;
    z-index: 5;
}

.lead-total {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
    padding-bottom: 20px;
}

.lead-total .summary-grid {
    grid-template-columns: 1fr;
    gap: 8px;
}

.lead-total .summary-cell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
}

.lead-total .summary-cell strong {
    margin-top: 0;
    text-align: right;
}

.lead-total .breakdown-list {
    max-height: 150px;
}

.lead-panel h2 {
    font-size: 1.8rem;
    line-height: 1;
}

.form-label {
    color: var(--text-soft);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.form-status {
    min-height: 20px;
}

.form-status.is-success { color: var(--accent-green); }
.form-status.is-error { color: #FF7A7A; }

.form-note {
    border: 1px solid rgba(245, 185, 66, 0.26);
    border-radius: 8px;
    background: rgba(245, 185, 66, 0.08);
    color: var(--text-soft);
    padding: 12px;
    font-size: 13px;
    line-height: 1.45;
}

.site-footer {
    border-top: 1px solid var(--border-color);
    background: rgba(5, 6, 8, 0.74);
}

@media (max-width: 1199.98px) {
    .work-grid {
        grid-template-columns: 1fr;
    }

    .lead-panel {
        position: relative;
        top: auto;
        max-height: none;
        overflow: visible;
    }
}

@media (max-width: 767.98px) {
    .site-header .container-xl {
        gap: 10px;
    }

    .brand-logo {
        width: 46px;
        height: 34px;
    }

    .brand-title {
        max-width: 124px;
        font-size: 11px;
        line-height: 1.02;
    }

    .brand-title + small {
        font-size: 9px !important;
        letter-spacing: 1.4px !important;
        white-space: nowrap;
    }

    .language-select {
        width: 66px;
        height: 34px;
        padding: 0 8px;
    }

    .metric-strip,
    .summary-grid,
    .condition-grid {
        grid-template-columns: 1fr;
    }

    .equipment-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .equipment-amount {
        text-align: left;
    }

    .qty-control {
        justify-self: start;
        max-width: 180px;
    }
}