*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding-top: var(--header-height);
    background:
        radial-gradient(circle at top left, rgba(14, 66, 150, 0.12), transparent 28%),
        linear-gradient(180deg, #f6f8fc 0%, #ffffff 24%, #f5f7fb 100%);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
}

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

a:hover {
    color: var(--color-link-strong);
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-shell {
    width: min(1200px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 60;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(11, 49, 116, 0.08);
    box-shadow: 0 16px 40px rgba(6, 30, 74, 0.08);
    backdrop-filter: blur(16px);
}

.site-header::before {
    content: '';
    display: block;
    height: 4px;
    background: linear-gradient(90deg, #f25c22 0%, #ff8d3a 45%, #f25c22 100%);
}

.site-header-inner {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    min-height: var(--header-height);
    padding: 0.95rem 0 1rem;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.95rem;
    color: var(--color-text);
    text-decoration: none;
    flex: 0 0 auto;
}

.site-brand-mark {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 0.9rem;
    background: linear-gradient(145deg, #0b4ab0 0%, #0a3276 100%);
    color: #ffffff;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 300;
    letter-spacing: -0.03em;
    box-shadow: 0 12px 28px rgba(10, 50, 118, 0.24);
}

.site-brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.site-brand-primary,
.site-brand-secondary,
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.site-brand-primary {
    font-size: 1.7rem;
    font-weight: 300;
    color: #0c3f95;
}

.site-brand-secondary {
    font-size: 0.82rem;
    font-weight: 300;
    letter-spacing: 0.38em;
    color: #4567a1;
}

.site-nav {
    margin-left: auto;
}

.site-nav-top {
    display: none;
}

.site-nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.6rem;
    margin: 0;
    padding: 0;
}

.site-nav-item {
    position: relative;
}

.site-nav-link-row {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.site-nav-link,
.site-header-phone,
.site-nav-phone,
.nav-subtoggle {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.94rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.site-nav-link:hover,
.site-nav-link.is-active,
.site-header-phone:hover,
.site-nav-phone:hover,
.nav-subtoggle:hover {
    color: var(--color-link-strong);
}

.nav-subtoggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border: 0;
    background: transparent;
    padding: 0;
    cursor: pointer;
}

.nav-subtoggle-icon {
    display: inline-block;
    width: 0.55rem;
    height: 0.55rem;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translateY(-1px);
}

.nav-dropdown {
    list-style: none;
    position: absolute;
    left: 0;
    top: calc(100% + 1rem);
    min-width: 16rem;
    padding: 0.95rem 1rem;
    margin: 0;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(10, 50, 118, 0.1);
    border-radius: 1rem;
    box-shadow: 0 20px 44px rgba(9, 32, 76, 0.14);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.nav-dropdown li + li {
    margin-top: 0.7rem;
}

.nav-dropdown a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.92rem;
    line-height: 1.45;
}

.nav-dropdown a:hover {
    color: var(--color-link-strong);
}

.site-nav-item.has-children:hover > .nav-dropdown,
.site-nav-item.has-children:focus-within > .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.site-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: 0.5rem;
}

.site-header-phone {
    white-space: nowrap;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.9rem;
    padding: 0.72rem 1.25rem;
    border-radius: 0.95rem;
    border: 1px solid transparent;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-accent {
    color: #ffffff;
    background: linear-gradient(135deg, #f25c22 0%, #ff7f2a 100%);
    box-shadow: 0 14px 28px rgba(242, 92, 34, 0.24);
}

.button-accent:hover {
    color: #ffffff;
    box-shadow: 0 18px 34px rgba(242, 92, 34, 0.28);
}

.button-outline {
    color: #ffffff;
    background: transparent;
    border-color: rgba(255, 255, 255, 0.42);
}

.button-outline:hover {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.78);
}

.button-outline-dark {
    color: #0b3f96;
    background: transparent;
    border-color: rgba(11, 63, 150, 0.24);
}

.button-outline-dark:hover {
    color: #0b3f96;
    border-color: rgba(11, 63, 150, 0.58);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    border: 0;
    background: transparent;
    padding: 0;
    cursor: pointer;
    color: var(--color-text);
}

.nav-toggle-lines {
    display: inline-flex;
    flex-direction: column;
    gap: 0.3rem;
}

.nav-toggle-lines span {
    width: 1.6rem;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
}

.nav-toggle-label {
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.18em;
}

.mobile-only {
    display: none;
}

.page-section {
    padding: 2.25rem 0 0;
}

.hero {
    padding: 2rem 0 0;
}

.hero-shell {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1.18fr);
    overflow: hidden;
    border-radius: 2rem;
    background: #ffffff;
    box-shadow: 0 30px 70px rgba(8, 31, 77, 0.12);
}

.hero-copy {
    position: relative;
    z-index: 2;
    padding: clamp(2rem, 4vw, 4rem);
    color: #ffffff;
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.12), transparent 38%),
        linear-gradient(140deg, #0a3c8a 0%, #0a4fb4 58%, #145cc9 100%);
}

.hero-copy::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1), transparent 42%),
        linear-gradient(125deg, rgba(255, 255, 255, 0.08), transparent 58%);
    pointer-events: none;
}

.hero-copy > * {
    position: relative;
    z-index: 1;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin: 0 0 1.2rem;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: '';
    width: 2.4rem;
    height: 2px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
}

.hero h1,
.content-header h1,
.section-header h2,
.block-panel h2,
.faq-block h2,
.sheet-title,
.hero-title {
    margin: 0;
    font-weight: 300;
}

.hero-title {
    font-size: clamp(2.6rem, 5vw, 4.65rem);
    max-width: 11ch;
}

.hero-body {
    max-width: 34rem;
    margin: 1.35rem 0 0;
    font-size: 1.12rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 2rem;
}

.hero-trust {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.95rem;
    margin-top: 2rem;
}

.hero-trust-item {
    padding: 0.9rem 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.12);
    font-size: 0.95rem;
    line-height: 1.45;
}

.hero-media {
    min-height: 100%;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.08)),
        center right / cover no-repeat var(--color-surface-quiet);
}

.section-stack {
    display: grid;
    gap: 2rem;
    padding: 2.25rem 0 0;
}

.section-header {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
}

.section-header p,
.content-lead,
.content-meta,
.card-copy p,
.sheet-intro,
.term-short,
.collection-intro {
    color: var(--color-text-soft);
}

.section-header h2 {
    font-size: clamp(1.9rem, 3vw, 3rem);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.card-link,
.info-card,
.list-card,
.term-card,
.directory-card,
.guide-card,
.faq-card {
    display: block;
    height: 100%;
    color: inherit;
    text-decoration: none;
    border-radius: 1.35rem;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(10, 50, 118, 0.08);
    box-shadow: 0 18px 40px rgba(8, 31, 77, 0.08);
    overflow: hidden;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card-link:hover,
.info-card:hover,
.list-card:hover,
.term-card:hover,
.directory-card:hover,
.guide-card:hover,
.faq-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 50px rgba(8, 31, 77, 0.12);
    border-color: rgba(10, 79, 180, 0.16);
}

.card-image {
    aspect-ratio: 1.4 / 1;
    background: center / cover no-repeat #edf2fb;
}

.card-copy,
.term-card-copy,
.directory-card-copy,
.list-card-copy {
    padding: 1.2rem 1.2rem 1.35rem;
}

.card-kicker,
.term-kicker,
.sheet-kicker {
    margin: 0 0 0.55rem;
    color: var(--color-link-strong);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.card-title,
.term-card h3,
.directory-card h3,
.guide-card h3,
.faq-card h3 {
    margin: 0;
    color: #0c2f72;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 300;
    line-height: 1.2;
}

.card-summary,
.directory-card p,
.guide-card p,
.faq-card p,
.term-card p {
    margin: 0.8rem 0 0;
    color: var(--color-text-soft);
}

.info-card {
    padding: 1.25rem;
}

.info-card h3 {
    margin: 0 0 0.55rem;
    color: #0c2f72;
    font-family: var(--font-display);
    font-size: 1.28rem;
    font-weight: 300;
}

.feature-band {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr);
    overflow: hidden;
    border-radius: 1.8rem;
    background: linear-gradient(135deg, #0a3c8a 0%, #0c53be 100%);
    color: #ffffff;
    box-shadow: 0 28px 58px rgba(8, 31, 77, 0.18);
}

.feature-copy {
    padding: clamp(1.8rem, 4vw, 3rem);
}

.feature-copy h2 {
    margin: 0;
    font-size: clamp(2rem, 3.4vw, 3.25rem);
    font-weight: 300;
}

.feature-copy p {
    margin: 1rem 0 0;
    color: rgba(255, 255, 255, 0.9);
}

.feature-media {
    min-height: 100%;
    background: center / cover no-repeat #093170;
}

.content-sheet,
.block-panel,
.directory-sheet,
.term-sheet,
.sheet-frame {
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(10, 50, 118, 0.08);
    border-radius: 1.6rem;
    box-shadow: 0 22px 46px rgba(8, 31, 77, 0.08);
}

.content-sheet,
.directory-sheet,
.term-sheet,
.sheet-frame {
    padding: clamp(1.6rem, 3vw, 2.4rem);
}

.content-header {
    margin-bottom: 1.4rem;
}

.content-header h1,
.sheet-title {
    font-size: clamp(2.1rem, 4vw, 3.8rem);
    color: #0b2c68;
}

.content-lead {
    margin: 0.8rem 0 0;
    font-size: 1.08rem;
}

.prose > *:first-child {
    margin-top: 0;
}

.prose > *:last-child {
    margin-bottom: 0;
}

.prose h2,
.prose h3 {
    color: #0b2c68;
    font-weight: 300;
}

.prose ul,
.prose ol {
    padding-left: 1.25rem;
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    margin: 1rem 0 0;
    color: var(--color-text-soft);
    font-size: 0.92rem;
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.pill {
    display: inline-flex;
    align-items: center;
    min-height: 2.2rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: rgba(12, 63, 149, 0.08);
    color: #0c3f95;
    font-size: 0.9rem;
    font-weight: 600;
}

.split-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.list-block {
    padding: 1.35rem;
    border-radius: 1.3rem;
    background: #f7f9fe;
    border: 1px solid rgba(10, 50, 118, 0.08);
}

.list-block h2,
.list-block h3 {
    margin-top: 0;
    color: #0b2c68;
    font-size: 1.45rem;
    font-weight: 300;
}

.list-block ul {
    margin: 0;
    padding-left: 1.2rem;
}

.faq-block {
    margin-top: 2rem;
}

.faq-list {
    display: grid;
    gap: 0.9rem;
}

.faq-item {
    padding: 1rem 1.15rem;
    border-radius: 1rem;
    border: 1px solid rgba(10, 50, 118, 0.1);
    background: #f8fbff;
}

.faq-item summary {
    cursor: pointer;
    color: #0c2f72;
    font-weight: 700;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item p {
    margin: 0.85rem 0 0;
}

.article-stack {
    display: grid;
    gap: 1.35rem;
}

.article-footer {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.section-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
}

.term-index {
    display: grid;
    gap: 2rem;
}

.term-group h2 {
    margin: 0 0 1rem;
    color: #0b2c68;
    font-size: 1.9rem;
    font-weight: 300;
}

.term-grid,
.guide-grid,
.faq-grid,
.directory-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.term-sheet h1,
.directory-sheet h1 {
    margin-top: 0;
    color: #0b2c68;
    font-size: clamp(2rem, 4vw, 3.6rem);
    font-weight: 300;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.4rem;
}

.spec-card {
    padding: 1.1rem 1.2rem;
    border-radius: 1.1rem;
    background: #f7f9fe;
    border: 1px solid rgba(10, 50, 118, 0.08);
}

.spec-card h3 {
    margin: 0 0 0.55rem;
    color: #0b2c68;
    font-size: 1.2rem;
    font-weight: 300;
}

.quote-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 1.3rem;
}

.quote-panel,
.quote-form-panel {
    padding: 1.5rem;
    border-radius: 1.45rem;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(10, 50, 118, 0.08);
    box-shadow: 0 18px 40px rgba(8, 31, 77, 0.08);
}

.quote-form-panel h2,
.quote-panel h2 {
    margin-top: 0;
    color: #0b2c68;
    font-size: 1.9rem;
    font-weight: 300;
}

.quote-form {
    display: grid;
    gap: 1rem;
}

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

.form-field {
    display: grid;
    gap: 0.42rem;
}

.form-field label {
    color: #0b2c68;
    font-size: 0.9rem;
    font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    min-height: 3rem;
    padding: 0.8rem 0.9rem;
    border: 1px solid rgba(10, 50, 118, 0.14);
    border-radius: 0.95rem;
    background: #ffffff;
    color: var(--color-text);
    font: inherit;
}

.form-field textarea {
    min-height: 8rem;
    resize: vertical;
}

.form-field.full-width {
    grid-column: 1 / -1;
}

.form-error {
    color: #c63a12;
    font-size: 0.86rem;
}

.form-success {
    padding: 0.95rem 1rem;
    border-radius: 0.9rem;
    background: rgba(16, 128, 79, 0.12);
    color: #0f6a45;
    font-weight: 600;
}

.form-hidden {
    display: none;
}

.directory-metadata {
    display: grid;
    gap: 0.75rem;
    margin-top: 1.4rem;
}

.metadata-row {
    display: grid;
    grid-template-columns: 12rem minmax(0, 1fr);
    gap: 0.85rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid rgba(10, 50, 118, 0.08);
}

.metadata-row dt {
    color: #0c2f72;
    font-weight: 700;
}

.metadata-row dd {
    margin: 0;
    color: var(--color-text-soft);
}

.breadcrumbs {
    padding: 1.2rem 0 0;
}

.breadcrumbs-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 0;
    padding: 0;
    color: var(--color-text-soft);
    font-size: 0.9rem;
}

.breadcrumbs-item:not(:last-child)::after {
    content: '/';
    margin-left: 0.45rem;
    color: rgba(69, 103, 161, 0.45);
}

.breadcrumbs-item a {
    text-decoration: none;
    color: var(--color-text-soft);
}

.breadcrumbs-item.is-current {
    color: #0b2c68;
}

.site-footer {
    margin-top: 4rem;
    padding: 0 0 2rem;
}

.site-footer-inner {
    padding-top: 1.8rem;
}

.site-footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 0.8fr));
    gap: 1.4rem;
    padding: 1.7rem;
    border-radius: 1.8rem;
    background: linear-gradient(135deg, #0a3c8a 0%, #082f6d 100%);
    color: #ffffff;
    box-shadow: 0 22px 50px rgba(8, 31, 77, 0.16);
}

.site-footer-name {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 300;
    letter-spacing: -0.02em;
}

.site-footer-tagline,
.site-footer-contact,
.site-footer-links a {
    color: rgba(255, 255, 255, 0.82);
}

.site-footer-heading {
    margin-bottom: 0.7rem;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.site-footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}

.site-footer-links a {
    text-decoration: none;
}

.site-footer-links a:hover,
.site-footer-contact a:hover {
    color: #ffffff;
}

.site-footer-bottom {
    padding: 1rem 0 0;
    color: var(--color-text-soft);
    font-size: 0.86rem;
    text-align: center;
}

.desktop-only {
    display: inline-flex;
}

@media (max-width: 980px) {
    body {
        padding-top: var(--header-height-mobile);
    }

    .site-shell {
        width: min(1200px, calc(100% - 1.2rem));
    }

    .site-header-inner {
        min-height: var(--header-height-mobile);
        padding: 0.8rem 0 0.9rem;
    }

    .site-brand-mark {
        width: 2.5rem;
        height: 2.5rem;
    }

    .site-brand-primary {
        font-size: 1.32rem;
    }

    .site-brand-secondary {
        font-size: 0.68rem;
        letter-spacing: 0.28em;
    }

    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: inline-flex;
    }

    .site-nav {
        position: fixed;
        top: var(--header-height-mobile);
        left: 0;
        right: 0;
        max-height: calc(100vh - var(--header-height-mobile));
        overflow-y: auto;
        padding: 1.1rem 1rem 1.4rem;
        background: rgba(255, 255, 255, 0.98);
        border-top: 1px solid rgba(10, 50, 118, 0.08);
        box-shadow: 0 20px 44px rgba(9, 32, 76, 0.14);
        transform: translateY(-1rem);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    .site-nav.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .site-nav-top {
        display: grid;
        gap: 0.8rem;
        margin-bottom: 1rem;
    }

    .site-nav-list {
        display: grid;
        gap: 0.2rem;
    }

    .site-nav-item {
        padding: 0.35rem 0;
        border-bottom: 1px solid rgba(10, 50, 118, 0.08);
    }

    .site-nav-link-row {
        justify-content: space-between;
    }

    .site-nav-link,
    .site-nav-phone,
    .nav-subtoggle {
        font-size: 1rem;
    }

    .nav-subtoggle {
        width: 2rem;
        height: 2rem;
    }

    .nav-dropdown {
        position: static;
        min-width: 0;
        padding: 0 0 0 1rem;
        margin: 0.5rem 0 0;
        background: transparent;
        border: 0;
        border-radius: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }

    .site-nav-item.submenu-open > .nav-dropdown {
        display: block;
    }

    .site-nav-item.has-children:hover > .nav-dropdown,
    .site-nav-item.has-children:focus-within > .nav-dropdown {
        display: none;
    }

    .site-nav-item.submenu-open:hover > .nav-dropdown,
    .site-nav-item.submenu-open:focus-within > .nav-dropdown {
        display: block;
    }

    .site-header-actions {
        margin-left: auto;
        gap: 0.75rem;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .hero-shell,
    .feature-band,
    .quote-layout {
        grid-template-columns: 1fr;
    }

    .hero-media {
        min-height: 20rem;
    }

    .card-grid,
    .info-grid,
    .term-grid,
    .guide-grid,
    .faq-grid,
    .directory-grid,
    .split-grid,
    .spec-grid,
    .quote-form-grid {
        grid-template-columns: 1fr;
    }

    .section-card-grid {
        grid-template-columns: 1fr;
    }

    .hero-trust {
        grid-template-columns: 1fr;
    }

    .metadata-row {
        grid-template-columns: 1fr;
    }

    .site-footer-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1.5rem;
    }

    .site-footer-name {
        font-size: 2rem;
    }

    .site-footer-tagline,
    .site-footer-contact,
    .site-footer-links a,
    .site-footer-heading,
    .site-footer-bottom {
        font-size: 1.5rem;
        line-height: 1.45;
    }

    .site-footer-heading {
        margin-bottom: 0.45rem;
        letter-spacing: 0.08em;
        text-transform: none;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .section-header h2,
    .content-header h1,
    .sheet-title,
    .term-sheet h1,
    .directory-sheet h1 {
        font-size: 1.9rem;
    }

    .quote-panel,
    .quote-form-panel,
    .content-sheet,
    .directory-sheet,
    .term-sheet,
    .sheet-frame {
        padding: 1.2rem;
    }
}