/* GLOBAL */
html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding-top: 60px;
    font-family: Arial, sans-serif;
    background: #f7f7f7;
    color: #222;
    line-height: 1.6;
}

/* HEADER + NAV */
header {
    background: #111;
    color: #fff;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    box-sizing: border-box;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 1px;
}

nav.menu {
    display: flex;
    gap: 18px;
    flex-wrap: nowrap;
}

nav.menu a {
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    transition: 0.2s;
}

nav.menu a:hover,
nav.menu a.active {
    color: #d32f2f;
}

/* MOBILE MENU */
.menu-icon {
    display: none;
    font-size: 28px;
    cursor: pointer;
}

#menu-toggle {
    display: none;
}

/* HERO */
.hero {
    background: #d32f2f;
    color: #fff;
    padding: 70px 40px 80px;
    text-align: center;
    margin-top: 0;
}

.hero h1 {
    font-size: 42px;
    margin-top: 0;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 25px;
}

/* BUTTONS */
.btn {
    display: inline-block;
    background: #111;
    color: #fff;
    padding: 12px 22px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.2s;
}

.btn:visited {
    color: #fff;
}

.btn:hover {
    background: #333;
}

/* SECTIONS */
.section {
    padding: 60px 40px;
    background: #fff;
    margin-bottom: 20px;
}

.section h2 {
    margin-top: 0;
}

/* CONTENT TEXT LINKS */
.section p a,
.section li a {
    color: #d32f2f;
    font-weight: bold;
    text-decoration: none;
    border-bottom: 1px solid rgba(211, 47, 47, 0.35);
    transition: 0.2s ease;
}

.section p a:visited,
.section li a:visited {
    color: #d32f2f;
}

.section p a:hover,
.section li a:hover {
    color: #111;
    border-bottom-color: #111;
}

/* SERVICES GRID */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.service-box {
    background: #f1f1f1;
    padding: 25px;
    border-radius: 6px;
    border-left: 5px solid #d32f2f;
}

.service-box h3 {
    margin-top: 0;
}

/* TOOL HUB */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.tool-card {
    background: #f1f1f1;
    padding: 25px;
    border-radius: 6px;
    border-left: 5px solid #d32f2f;
}

.tool-card h3 {
    margin-top: 0;
}

.tool-card p {
    margin-bottom: 18px;
}

.tool-card a,
.text-link {
    color: #d32f2f;
    font-weight: bold;
    text-decoration: none;
}

.tool-card a:visited,
.text-link:visited {
    color: #d32f2f;
}

.tool-card a:hover,
.text-link:hover {
    text-decoration: underline;
}

/* ACCREDITATIONS */
.accreditations {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.accreditation-logo {
    height: 80px;
    width: auto;
    transition: transform 0.2s ease;
}

.accreditation-logo:hover {
    transform: scale(1.05);
}

/* TRUST */
.trust {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}

.trust div {
    background: #f1f1f1;
    padding: 15px;
    border-radius: 4px;
}

/* NOTES / WARNINGS */
.calculator-note {
    background: #fff8e1;
    border-left: 5px solid #d32f2f;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
}

/* SHARE SECTION */
.share-section {
    background: #fff;
    padding: 45px 40px;
    text-align: center;
    margin-bottom: 20px;
}

.share-section h2 {
    margin-top: 0;
}

.share-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.share-buttons a,
.share-btn {
    background: #111;
    color: #fff;
    border: none;
    padding: 12px 18px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 15px;
    cursor: pointer;
    font-family: Arial, sans-serif;
}

.share-buttons a:visited {
    color: #fff;
}

.share-buttons a:hover,
.share-btn:hover {
    background: #d32f2f;
}

/* FOOTER */
footer {
    background: #111;
    color: #fff;
    padding: 30px 40px;
    text-align: center;
    font-size: 14px;
}

footer a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

footer a:visited {
    color: #fff;
}

footer a:hover {
    color: #d32f2f;
}

/* BACK TO TOP BUTTON */
.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 36px;
    height: 36px;
    background: #111;
    border-radius: 4px;
    border: 1px solid #444;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    display: none;
    z-index: 999;
    text-decoration: none;
}

.back-to-top::before {
    content: "";
    position: absolute;
    top: 11px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 10px solid #fff;
}

.back-to-top:hover {
    background: #333;
}

body.scrolled .back-to-top {
    display: block;
}

/* CONTACT FORM GRID */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: stretch;
    margin-top: 20px;
}

.contact-left,
.contact-right {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-left label,
.contact-right label {
    font-weight: bold;
}

.contact-left input,
.contact-right textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    font-family: Arial, sans-serif;
}

.contact-left input:focus,
.contact-right textarea:focus {
    outline: none;
    border-color: #d32f2f;
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.15);
}

.contact-right textarea {
    height: 220px;
    resize: vertical;
}

.contact-section .btn,
.contact-right .btn {
    width: 100%;
    margin-top: 10px;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

/* TOOL FORM STYLING */
.tool-box {
    background: #f1f1f1;
    padding: 28px;
    border-radius: 8px;
    border-left: 5px solid #d32f2f;
    margin-top: 25px;
}

.tool-box label {
    display: block;
    font-weight: bold;
    font-size: 16px;
    margin-top: 18px;
    margin-bottom: 6px;
    color: #222;
}

.tool-box input,
.tool-box select,
.tool-box textarea {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 14px 15px;
    border: 1px solid #bbb;
    border-radius: 8px;
    font-size: 16px;
    font-family: Arial, sans-serif;
    background: #fff;
    color: #222;
}

.tool-box input:focus,
.tool-box select:focus,
.tool-box textarea:focus {
    outline: none;
    border-color: #d32f2f;
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.15);
}

.tool-box input::placeholder,
.tool-box textarea::placeholder {
    color: #777;
}

.small-note {
    display: block;
    font-size: 14px;
    color: #555;
    background: #fff;
    padding: 10px 12px;
    border-left: 3px solid #ccc;
    border-radius: 4px;
    margin-top: 6px;
    margin-bottom: 12px;
}

.input-group-title {
    margin-top: 35px;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #d32f2f;
    color: #222;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 25px;
}

.button-row .btn {
    border: none;
    cursor: pointer;
    font-family: Arial, sans-serif;
    font-size: 16px;
}

.secondary-btn {
    background: #d32f2f;
}

.secondary-btn:hover {
    background: #b71c1c;
}

/* RESULT TABLES */
.result-box {
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 22px;
    margin-top: 25px;
}

.result-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.result-table th,
.result-table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

.result-table th {
    background: #f1f1f1;
}

/* ZONE CHART SCREEN STYLES */
.zone-simple-list {
    margin-top: 22px;
    border: 2px solid #222;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.zone-simple-item {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid #ccc;
    font-size: 17px;
    page-break-inside: avoid;
}

.zone-simple-item:last-child {
    border-bottom: none;
}

.zone-simple-item strong {
    min-width: 85px;
    color: #d32f2f;
}

.zone-simple-item span {
    color: #222;
    font-weight: bold;
}

.zone-print-footer {
    margin-top: 35px;
    padding-top: 18px;
    border-top: 1px solid #ccc;
}

.zone-print-footer p {
    margin: 8px 0;
}

/* MOBILE */
@media(max-width: 800px) {
    body {
        padding-top: 70px;
    }

    header {
        padding: 12px 15px;
    }

    nav.menu {
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: #111;
        flex-direction: column;
        display: none;
        padding: 20px 0;
        border-top: 1px solid #333;
    }

    nav.menu a {
        padding: 12px 0;
        text-align: center;
        font-size: 18px;
    }

    #menu-toggle:checked + .menu-icon + nav.menu {
        display: flex;
    }

    .menu-icon {
        display: block;
    }

    .hero {
        padding: 30px 40px 80px;
    }

    .hero h1 {
        font-size: 30px;
    }

    .section,
    .share-section {
        padding: 40px 20px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-right textarea {
        height: 160px;
    }

    .tool-box {
        padding: 22px;
    }

    .tool-box label {
        font-size: 16px;
        margin-top: 16px;
    }

    .tool-box input,
    .tool-box select,
    .tool-box textarea {
        font-size: 16px;
        padding: 14px;
    }

    .small-note {
        font-size: 14px;
        padding: 9px 10px;
    }

    .button-row .btn {
        width: 100%;
        text-align: center;
    }

    .result-table {
        font-size: 14px;
    }

    .result-table th,
    .result-table td {
        padding: 8px;
    }

    .back-to-top {
        bottom: 18px;
        right: 18px;
    }
}

/* ZONE CHART PRINT FIX */
@media print {
    @page {
        size: A4 portrait;
        margin: 14mm;
    }

    body:has(#zoneChartResult:not(:empty)) {
        padding-top: 0 !important;
        background: #fff !important;
        color: #000 !important;
    }

    body:has(#zoneChartResult:not(:empty)) > *:not(#printSection) {
        display: none !important;
    }

    body:has(#zoneChartResult:not(:empty)) #printSection {
        display: block !important;
        padding: 0 !important;
        margin: 0 !important;
        background: #fff !important;
    }

    #zoneChartResult {
        min-height: calc(100vh - 28mm) !important;
        display: flex !important;
        flex-direction: column !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        background: #fff !important;
    }

    #zoneChartResult h3 {
        font-size: 22px !important;
        margin-bottom: 8px !important;
    }

    #zoneChartResult p {
        margin: 6px 0 14px !important;
    }

    #zoneChartResult .record-summary {
        display: grid !important;
        grid-template-columns: 1fr 1.3fr 1fr !important;
        gap: 8px !important;
        margin: 18px 0 26px !important;
    }

    #zoneChartResult .record-summary div:nth-child(3) {
        display: none !important;
    }

    #zoneChartResult .record-summary div {
        display: block !important;
        background: #fff !important;
        border: 1px solid #000 !important;
        border-radius: 4px !important;
        padding: 8px 10px !important;
        margin: 0 !important;
        font-size: 12px !important;
        line-height: 1.35 !important;
        min-height: 42px !important;
    }

    #zoneChartResult .record-summary strong {
        display: block !important;
        min-width: 0 !important;
        font-size: 12px !important;
        margin-bottom: 3px !important;
    }

    #zoneChartResult .zone-notice,
    #zoneChartResult .zone-warning,
    #zoneChartResult .button-row {
        display: none !important;
    }

    #zoneChartResult .zone-simple-list {
        border: 2px solid #000 !important;
        border-radius: 6px !important;
        margin-top: 20px !important;
        overflow: hidden !important;
    }

    #zoneChartResult .zone-simple-item {
        display: flex !important;
        border-bottom: 1px solid #000 !important;
        padding: 13px 15px !important;
        font-size: 17px !important;
        page-break-inside: avoid !important;
    }

    #zoneChartResult .zone-simple-item:last-child {
        border-bottom: none !important;
    }

    #zoneChartResult .zone-simple-item strong {
        min-width: 90px !important;
        color: #000 !important;
    }

    #zoneChartResult .zone-simple-item span {
        font-weight: bold !important;
        color: #000 !important;
    }

    #zoneChartResult .zone-print-footer {
        display: block !important;
        margin-top: auto !important;
        padding-top: 16px !important;
        border-top: 1px solid #000 !important;
        font-size: 13px !important;
        page-break-inside: avoid !important;
    }

    #zoneChartResult .zone-print-footer p {
        margin: 6px 0 !important;
    }
}


/* BATTERY CALCULATOR PRINT FIX */
@media print {
    @page {
        size: A4 portrait;
        margin: 14mm;
    }

    body.battery-page {
        padding-top: 0 !important;
        background: #fff !important;
        color: #000 !important;
    }

    .battery-page header,
    .battery-page .hero,
    .battery-page .share-section,
    .battery-page footer,
    .battery-page .back-to-top,
    .battery-page .section:not(.battery-calculator-section) {
        display: none !important;
    }

    .battery-page .section.battery-calculator-section {
        display: block !important;
        padding: 0 !important;
        margin: 0 !important;
        background: #fff !important;
    }

    .battery-page .battery-calculator-section > h2 {
        display: none !important;
    }

    .battery-page .battery-calculator-section .tool-box {
        display: block !important;
        background: #fff !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .battery-page .battery-calculator-section .tool-box > *:not(#batteryResult) {
        display: none !important;
    }

    .battery-page #batteryResult {
        display: block !important;
        border: 2px solid #000 !important;
        border-radius: 6px !important;
        padding: 18px !important;
        margin: 0 !important;
        background: #fff !important;
        page-break-inside: avoid !important;
        break-inside: avoid !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .battery-page #batteryResult h3 {
        font-size: 20px !important;
        margin-top: 0 !important;
        margin-bottom: 14px !important;
    }

    .battery-page #batteryResult table,
    .battery-page #batteryResult .result-table {
        width: 100% !important;
        border-collapse: collapse !important;
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }

    .battery-page #batteryResult th,
    .battery-page #batteryResult td {
        border: 1px solid #999 !important;
        padding: 7px 8px !important;
        font-size: 12px !important;
        line-height: 1.3 !important;
    }

    .battery-page #batteryResult th {
        background: #f1f1f1 !important;
    }

    .battery-page #batteryResult .button-row,
    .battery-page #batteryResult .no-print {
        display: none !important;
    }

    .battery-page #batteryResult p,
    .battery-page #batteryResult div {
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }
}

/* DEVICE COUNT CALCULATOR PRINT FIX - A4 REPORT STYLE */
@media print {
    @page {
        size: A4 portrait;
        margin: 7mm;
    }

    body.device-count-page {
        padding-top: 0 !important;
        margin: 0 !important;
        background: #fff !important;
        color: #000 !important;
    }

    .device-count-page header,
    .device-count-page .hero,
    .device-count-page .share-section,
    .device-count-page footer,
    .device-count-page .back-to-top {
        display: none !important;
    }

    .device-count-page .section {
        display: block !important;
        padding: 0 !important;
        margin: 0 !important;
        background: #fff !important;
    }

    .device-count-page .section > * {
        display: none !important;
    }

    .device-count-page .section > .tool-box {
        display: block !important;
        background: #fff !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .device-count-page .tool-box > *:not(.result-box) {
        display: none !important;
    }

    .device-count-page .result-box {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        border: 2px solid #000 !important;
        border-radius: 5px !important;
        padding: 18px !important;
        margin: 0 auto !important;
        background: #fff !important;
        min-height: auto !important;
        height: auto !important;
        page-break-inside: avoid !important;
        break-inside: avoid !important;
        page-break-after: avoid !important;
        break-after: avoid !important;
    }

    .device-count-page .result-box h3 {
        display: block !important;
        font-size: 22px !important;
        line-height: 1.15 !important;
        margin: 0 0 10px !important;
        color: #000 !important;
    }

    .device-count-page .result-box p {
        display: block !important;
        font-size: 12px !important;
        line-height: 1.3 !important;
        margin: 6px 0 10px !important;
        color: #000 !important;
    }

    .device-count-page .result-box table,
    .device-count-page .result-box .result-table {
        display: table !important;
        width: 100% !important;
        border-collapse: collapse !important;
        margin: 10px 0 12px !important;
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }

    .device-count-page .result-box tbody {
        display: table-row-group !important;
    }

    .device-count-page .result-box tr {
        display: table-row !important;
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }

    .device-count-page .result-box th,
    .device-count-page .result-box td {
        display: table-cell !important;
        border: 1px solid #999 !important;
        padding: 6px 8px !important;
        font-size: 11.5px !important;
        line-height: 1.22 !important;
        color: #000 !important;
        vertical-align: top !important;
    }

    .device-count-page .result-box th {
        background: #f1f1f1 !important;
        font-weight: bold !important;
    }

    .device-count-page .result-box .result-success,
    .device-count-page .result-box .result-warning,
    .device-count-page .result-box .result-danger,
    .device-count-page .result-box .calculator-note {
        display: block !important;
        font-size: 11px !important;
        line-height: 1.3 !important;
        padding: 10px 12px !important;
        margin: 10px 0 !important;
        border-left: 4px solid #000 !important;
        background: #fff !important;
        color: #000 !important;
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }

    .device-count-page .result-box .button-row,
    .device-count-page .result-box .no-print {
        display: none !important;
    }
}