:root {
    --bg: #f5f7f2;
    --surface: #ffffff;
    --surface-alt: #edf3ec;
    --text: #17231d;
    --muted: #58675f;
    --line: #d7e0d8;
    --brand: #1f6047;
    --brand-strong: #143d2d;
    --accent: #b75e2a;
    --accent-dark: #934719;
    --blue: #245b7a;
    --focus: #2c7be5;
    --danger: #a03024;
    --shadow: 0 18px 45px rgba(23, 35, 29, 0.1);
    --shadow-soft: 0 8px 24px rgba(23, 35, 29, 0.07);
}

* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    background:
        linear-gradient(135deg, rgba(31, 96, 71, 0.08), transparent 32rem),
        linear-gradient(180deg, #fbfcf8, var(--bg) 28rem);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

a {
    color: var(--brand);
}

a:hover {
    color: var(--accent-dark);
}

img,
svg {
    max-width: 100%;
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border: 0;
    border-radius: 6px;
    background: linear-gradient(180deg, #287254, var(--brand-strong));
    color: #fff;
    padding: 0.75rem 1rem;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
}

button:hover,
.button:hover {
    background: linear-gradient(180deg, #245f48, #102f23);
    color: #fff;
    transform: translateY(-1px);
}

.button.secondary {
    background: #f1f5ef;
    color: var(--brand-strong);
    border: 1px solid var(--line);
}

.button.secondary:hover {
    background: #dfe9dd;
    color: var(--brand-strong);
}

:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 8px;
    z-index: 100;
    background: var(--brand);
    color: #fff;
    padding: 0.5rem 0.75rem;
}

.skip-link:focus {
    left: 8px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 68px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--brand-strong);
    text-decoration: none;
    font-weight: 800;
    font-size: 1.1rem;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--brand-strong);
    color: #fff;
    font-weight: 900;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.site-nav a,
.nav-menu > button {
    color: var(--text);
    background: transparent;
    border-radius: 6px;
    min-height: 40px;
    padding: 0.45rem 0.65rem;
    text-decoration: none;
    font-weight: 700;
}

.site-nav a:hover,
.nav-menu > button:hover {
    background: var(--surface-alt);
    color: var(--brand-strong);
}

.site-nav a[aria-current="page"] {
    background: #e3eee5;
    color: var(--brand-strong);
}

.nav-toggle {
    display: none;
}

.nav-menu {
    position: relative;
}

.nav-menu-panel {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: 280px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 0.4rem;
}

.nav-menu:hover .nav-menu-panel,
.nav-menu:focus-within .nav-menu-panel,
.nav-menu.open .nav-menu-panel {
    display: grid;
    gap: 0.15rem;
}

.page-section {
    padding: 3rem 0;
}

.hero-tools {
    padding: 3rem 0 1.75rem;
}

.hero-tools h1 {
    margin: 0 0 0.7rem;
    max-width: 820px;
    font-size: clamp(2rem, 5vw, 3.8rem);
    line-height: 1.06;
}

.hero-copy {
    display: grid;
    gap: 0.45rem;
}

.eyebrow {
    color: var(--accent-dark);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
}

.lead {
    max-width: 760px;
    margin: 0 0 1.25rem;
    color: var(--muted);
    font-size: 1.1rem;
}

.tool-search {
    display: grid;
    gap: 0.45rem;
    max-width: 680px;
    margin: 1.4rem 0;
}

.tool-search label {
    font-size: 0.95rem;
}

.tool-search input {
    min-height: 54px;
    border-color: #b7c8bb;
    box-shadow: var(--shadow-soft);
}

.tool-grid,
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.tool-card,
.info-card,
.admin-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    padding: 1rem;
}

.tool-card {
    display: grid;
    gap: 0.65rem;
    min-height: 220px;
    position: relative;
    overflow: hidden;
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.tool-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    background: linear-gradient(90deg, var(--brand), var(--accent), var(--blue));
}

.tool-card:hover {
    border-color: #b5c7b7;
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.tool-card h2,
.tool-card h3,
.info-card h2,
.info-card h3 {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.3;
}

.tool-card p,
.info-card p {
    margin: 0;
    color: var(--muted);
}

.category-pill {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    border-radius: 999px;
    background: #eef5ed;
    color: var(--brand-strong);
    padding: 0.18rem 0.55rem;
    font-size: 0.82rem;
    font-weight: 700;
}

.breadcrumbs {
    margin-bottom: 0.8rem;
    color: var(--muted);
    font-size: 0.92rem;
}

.breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
    content: "/";
    margin-left: 0.35rem;
    color: #8c9a91;
}

.calculator-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 1.5rem;
    align-items: start;
}

.calculator-panel,
.quote-panel,
.content-panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 1.35rem;
    box-shadow: var(--shadow);
}

.calculator-panel {
    border-top: 5px solid var(--brand);
}

.quote-panel {
    border-top: 5px solid var(--accent);
}

.calculator-form,
.lead-form,
.admin-form,
.filter-form {
    display: grid;
    gap: 1rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

label {
    display: grid;
    gap: 0.35rem;
    font-weight: 700;
}

label small {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 400;
}

input,
select,
textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid #b8c4bc;
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    padding: 0.68rem 0.75rem;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--focus);
    box-shadow: 0 0 0 4px rgba(44, 123, 229, 0.12);
    outline: none;
}

[aria-invalid="true"] {
    border-color: var(--danger);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.45rem;
}

.input-row span {
    color: var(--muted);
    font-weight: 700;
    min-width: 2.5rem;
}

.result-box {
    display: none;
    margin-top: 1rem;
    border: 1px solid #a9cfb0;
    border-radius: 8px;
    background: #f1f8f2;
    padding: 1rem;
}

.result-box.active {
    display: block;
}

.result-box h2,
.quote-panel h2 {
    margin-top: 0;
}

.result-list {
    display: grid;
    gap: 0.5rem;
    padding: 0;
    margin: 0.75rem 0;
    list-style: none;
}

.result-list li {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid rgba(34, 84, 61, 0.15);
    padding-bottom: 0.45rem;
}

.form-error {
    display: none;
    margin: 0;
    color: var(--danger);
    font-weight: 700;
}

.form-error.active {
    display: block;
}

.disclaimer,
.small-note {
    color: var(--muted);
    font-size: 0.93rem;
}

.quote-panel {
    display: none;
}

.quote-panel.active {
    display: block;
}

.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.ad-placeholder {
    display: grid;
    place-items: center;
    min-height: 120px;
    border: 1px dashed #aebcaf;
    border-radius: 8px;
    background: repeating-linear-gradient(135deg, #f8faf6, #f8faf6 10px, #f0f4ee 10px, #f0f4ee 20px);
    color: var(--muted);
    text-align: center;
    padding: 1rem;
    font-size: 0.92rem;
}

.sidebar-stack,
.content-stack {
    display: grid;
    gap: 1rem;
}

.faq-list details {
    border-top: 1px solid var(--line);
    padding: 0.85rem 0;
}

.faq-list summary {
    cursor: pointer;
    font-weight: 800;
}

.guide-content {
    font-size: 1.03rem;
}

.guide-content h2 {
    margin-top: 1.6rem;
}

.site-footer {
    margin-top: 3rem;
    border-top: 1px solid var(--line);
    background: #17251d;
    color: #edf4ef;
    padding: 2rem 0;
}

.site-footer a {
    color: #edf4ef;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.5rem;
}

.footer-grid nav {
    display: grid;
    gap: 0.45rem;
}

.table-wrap {
    overflow-x: auto;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 0.7rem;
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--surface-alt);
}

.notice {
    border-left: 4px solid var(--brand);
    background: var(--surface-alt);
    padding: 0.8rem 1rem;
    border-radius: 6px;
}

.error {
    border-left-color: var(--danger);
    background: #fff0ef;
}

.admin-main {
    padding-top: 2rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    align-items: center;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
    }
}

@media (max-width: 880px) {
    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        display: none;
        position: absolute;
        left: 16px;
        right: 16px;
        top: 68px;
        align-items: stretch;
        flex-direction: column;
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 8px;
        box-shadow: var(--shadow);
        padding: 0.6rem;
    }

    .admin-body .site-nav {
        position: static;
        display: flex;
        box-shadow: none;
        border: 0;
        padding: 0;
    }

    .site-nav.open {
        display: flex;
    }

    .nav-menu-panel {
        position: static;
        width: 100%;
        box-shadow: none;
        margin-top: 0.35rem;
    }

    .tool-grid,
    .card-grid,
    .calculator-layout,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 620px) {
    .container {
        width: min(100% - 24px, 1120px);
    }

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

    .hero-tools {
        padding-top: 1.5rem;
    }

    .page-section {
        padding: 2rem 0;
    }
}