/* ============================================================
   EC CALCULATORS HUB — v3.0
   Fresh engineering / software directory UI
   Requires: ec-tokens.css, ec-base.css
   ============================================================ */

/* ------------------------------------------------------------
   PAGE / MAIN CANVAS
------------------------------------------------------------ */
body.page-template-page-calculators {
    background: var(--ec-bg-off);
}

.entry-content .ec-category-wrap {
    width: 100%;
    max-width: var(--ec-max-width);
    margin: 34px auto 84px;
    padding: 0 24px;
}

.entry-content .ec-category-wrap img,
.entry-content .ec-category-wrap svg {
    max-width: 100%;
}

.ec-hero-grid > *,
.ec-hero-copy > *,
.ec-index-panel,
.ec-index-tool,
.ec-discipline-card,
.ec-discipline-main,
.ec-discipline-copy,
.ec-discipline-heading,
.ec-discipline-tool-links,
.ec-popular-card,
.ec-method-card,
.ec-search-form {
    min-width: 0;
}

@media (max-width: 768px) {
    .entry-content .ec-category-wrap {
        margin: 20px auto 56px;
        padding: 0 14px;
    }
}

@media (max-width: 480px) {
    .entry-content .ec-category-wrap {
        margin-top: 12px;
        padding: 0 10px;
    }
}

/* ------------------------------------------------------------
   HERO
------------------------------------------------------------ */
.ec-hero {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(15, 23, 42, .12);
    border-radius: 28px;
    background:
        linear-gradient(rgba(255, 255, 255, .88), rgba(255, 255, 255, .88)),
        linear-gradient(to right, rgba(15, 23, 42, .05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15, 23, 42, .05) 1px, transparent 1px);
    background-size: auto, 28px 28px, 28px 28px;
    box-shadow: 0 24px 70px rgba(15, 23, 42, .08);
}

.ec-hero::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--ec-red);
}

.ec-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(350px, .85fr);
    gap: 54px;
    align-items: center;
    padding: 64px;
}

.ec-hero-copy {
    max-width: 760px;
}

.ec-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 18px;
    color: var(--ec-slate);
    font-size: 12px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.ec-hero-eyebrow-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ec-red);
    box-shadow: 0 0 0 4px rgba(207, 46, 46, .10);
}

.ec-hero-title {
    max-width: 800px;
    margin: 0;
    color: var(--ec-black);
    font-size: clamp(40px, 4.6vw, 62px);
    line-height: .99;
    font-weight: 850;
    letter-spacing: -.052em;
    text-wrap: balance;
}

.ec-hero-subtitle {
    max-width: 700px;
    margin: 24px 0 0;
    color: var(--ec-muted);
    font-size: 18px;
    line-height: 1.7;
}

/* Search is part of the hero — one primary task, one visual hierarchy. */
.ec-hero-search {
    margin-top: 30px;
}

.ec-hero-search .ec-search-form {
    min-height: 58px;
    align-items: center;
    gap: 0;
    overflow: visible;
    background: #fff;
    border: 1px solid var(--ec-border-strong);
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .08);
    transition: border-color .16s ease, box-shadow .16s ease;
}

.ec-hero-search .ec-search-form:focus-within {
    border-color: rgba(207, 46, 46, .62);
    box-shadow: 0 0 0 4px rgba(207, 46, 46, .08), 0 14px 34px rgba(15, 23, 42, .09);
}

.ec-search-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    color: var(--ec-faint);
    flex: 0 0 auto;
}

.ec-search-icon svg {
    width: 21px;
    height: 21px;
}

.ec-hero-search .ec-search-field {
    height: 56px;
    padding: 0 14px 0 0;
    font-size: 15px;
    line-height: 1.2;
}

.ec-hero-search .ec-search-field::placeholder {
    color: #94a3b8;
}

.ec-hero-search .ec-search-submit {
    align-self: stretch;
    min-width: 132px;
    height: auto;
    padding: 0 22px;
    border-radius: 0 13px 13px 0;
    font-size: 14px;
    letter-spacing: -.01em;
}

.ec-search-suggestions {
    position: absolute;
    top: calc(100% + 9px);
    left: 0;
    right: 0;
    z-index: var(--ec-z-dropdown);
    overflow: hidden;
    border: 1px solid var(--ec-border);
    border-radius: 14px;
    background: #fff;
    box-shadow: var(--ec-shadow-xl);
}

.ec-search-suggestions:empty {
    display: none;
}

.ec-search-suggestions a {
    display: block;
    padding: 13px 18px;
    border-bottom: 1px solid var(--ec-border-light);
    color: var(--ec-black);
    font-size: 14px;
    line-height: 1.4;
    text-decoration: none;
}

.ec-search-suggestions a:last-child {
    border-bottom: 0;
}

.ec-search-suggestions a:hover,
.ec-search-suggestions a:focus-visible {
    background: var(--ec-bg-subtle);
    color: var(--ec-red);
}

.ec-hero-quick {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 14px;
    margin-top: 17px;
}

.ec-hero-quick-label {
    color: var(--ec-faint);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.ec-hero-quick-link {
    position: relative;
    color: var(--ec-slate);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.ec-hero-quick-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .15s ease;
}

.ec-hero-quick-link:hover {
    color: var(--ec-red);
}

.ec-hero-quick-link:hover::after {
    transform: scaleX(1);
}

.ec-hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(15, 23, 42, .10);
    color: var(--ec-soft);
    font-size: 12px;
}

.ec-hero-trust span {
    display: inline-flex;
    align-items: baseline;
    gap: 5px;
    padding: 0 14px;
    border-right: 1px solid rgba(15, 23, 42, .12);
}

.ec-hero-trust span:first-child {
    padding-left: 0;
}

.ec-hero-trust span:last-child {
    border-right: 0;
}

.ec-hero-trust strong {
    color: var(--ec-black);
    font-size: 13px;
}

/* ------------------------------------------------------------
   HERO — LIVE DIRECTORY PANEL
------------------------------------------------------------ */
.ec-index-panel {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 20px;
    background:
        radial-gradient(circle at 100% 0, rgba(207, 46, 46, .18), transparent 35%),
        linear-gradient(145deg, #111827 0%, #0f172a 100%);
    color: #fff;
    box-shadow: 0 24px 50px rgba(15, 23, 42, .24);
}

.ec-index-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 22px 22px;
}

.ec-index-panel > * {
    position: relative;
    z-index: 1;
}

.ec-index-topbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 22px 22px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, .09);
}

.ec-index-kicker {
    display: block;
    margin-bottom: 5px;
    color: #94a3b8;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.ec-index-topbar strong {
    display: block;
    font-size: 16px;
    line-height: 1.2;
}

.ec-index-state {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #cbd5e1;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.ec-index-state i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, .12);
}

.ec-index-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-bottom: 1px solid rgba(255, 255, 255, .09);
}

.ec-index-metric {
    padding: 20px 22px;
}

.ec-index-metric + .ec-index-metric {
    border-left: 1px solid rgba(255, 255, 255, .09);
}

.ec-index-metric span {
    display: block;
    margin-bottom: 5px;
    color: #94a3b8;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.ec-index-metric strong {
    display: block;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 30px;
    line-height: 1;
    letter-spacing: -.04em;
}

.ec-index-list {
    padding: 10px 12px 12px;
}

.ec-index-list-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 10px 9px;
    color: #64748b;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.ec-index-tool {
    display: grid;
    grid-template-columns: 26px minmax(0, 1fr) 18px;
    gap: 10px;
    align-items: center;
    padding: 12px 10px;
    border-top: 1px solid rgba(255, 255, 255, .07);
    color: #fff;
    text-decoration: none;
    transition: background .15s ease;
}

.ec-index-tool:hover {
    background: rgba(255, 255, 255, .05);
}

.ec-index-tool-no {
    color: #64748b;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 10px;
}

.ec-index-tool-copy strong {
    display: block;
    overflow: hidden;
    color: #f8fafc;
    font-size: 12px;
    line-height: 1.35;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ec-index-tool-copy small {
    display: block;
    margin-top: 3px;
    overflow: hidden;
    color: #94a3b8;
    font-size: 10px;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ec-index-tool-arrow {
    color: #94a3b8;
    font-size: 14px;
    transition: color .15s ease, transform .15s ease;
}

.ec-index-tool:hover .ec-index-tool-arrow {
    color: #fff;
    transform: translate(1px, -1px);
}

.ec-index-foot {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 13px 22px;
    border-top: 1px solid rgba(255, 255, 255, .09);
    color: #64748b;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 8px;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
}

/* ------------------------------------------------------------
   SHARED SECTION HEAD
------------------------------------------------------------ */
.ec-section-head {
    margin-bottom: 24px;
}

.ec-section-head--split,
.ec-popular-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
}

.ec-section-title--lg {
    font-size: clamp(25px, 3vw, 34px);
    letter-spacing: -.04em;
}

.ec-section-lead {
    max-width: 760px;
    font-size: 15px;
    line-height: 1.7;
}

.ec-section-stat {
    flex: 0 0 auto;
    min-width: 112px;
    padding-left: 18px;
    border-left: 2px solid var(--ec-red);
}

.ec-section-stat span {
    display: block;
    margin-bottom: 3px;
    color: var(--ec-faint);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.ec-section-stat strong {
    display: block;
    color: var(--ec-black);
    font-size: 16px;
}

/* ------------------------------------------------------------
   DISCIPLINES / CATEGORY GRID
------------------------------------------------------------ */
.ec-disciplines {
    margin-top: 66px;
}

.ec-discipline-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.ec-discipline-card {
    position: relative;
    overflow: hidden;
    padding: 0;
    border: 1px solid var(--ec-border);
    border-radius: 18px;
    background: var(--ec-bg);
    box-shadow: 0 5px 18px rgba(15, 23, 42, .035);
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.ec-discipline-card:hover {
    transform: translateY(-2px);
    border-color: rgba(15, 23, 42, .22);
    box-shadow: 0 14px 34px rgba(15, 23, 42, .08);
}

.ec-discipline-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--ec-red);
    transition: width .22s ease;
}

.ec-discipline-card:hover::before {
    width: 100%;
}

.ec-discipline-topline {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 11px 18px;
    border-bottom: 1px solid var(--ec-border-light);
    background: var(--ec-bg-subtle);
    color: var(--ec-faint);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 9px;
    line-height: 1;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.ec-discipline-main {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 15px;
    padding: 22px 22px 18px;
}

.ec-discipline-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border: 1px solid var(--ec-border-light);
    border-radius: 12px;
    background: var(--ec-bg-panel);
    color: var(--ec-black);
}

.ec-discipline-icon img,
.ec-discipline-icon svg {
    width: 27px;
    height: 27px;
    object-fit: contain;
}

.ec-card-fallback-icon {
    font-size: 21px;
    line-height: 1;
    font-weight: 800;
}

.ec-discipline-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
}

.ec-discipline-heading h3 {
    margin: 0;
    font-size: 19px;
    line-height: 1.25;
    letter-spacing: -.025em;
}

.ec-discipline-heading h3 a {
    color: var(--ec-black);
    text-decoration: none;
}

.ec-discipline-heading h3 a:hover {
    color: var(--ec-red);
}

.ec-discipline-count {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 4px 8px;
    border: 1px solid var(--ec-border-light);
    border-radius: var(--ec-radius-pill);
    background: var(--ec-bg-subtle);
    color: var(--ec-soft);
    font-size: 10px;
    line-height: 1;
    font-weight: 800;
    white-space: nowrap;
}

.ec-discipline-desc {
    margin: 8px 0 0;
    color: var(--ec-soft);
    font-size: 13px;
    line-height: 1.62;
}

.ec-discipline-tools {
    margin: 0 22px;
    padding: 15px 0 18px;
    border-top: 1px solid var(--ec-border-light);
}

.ec-discipline-tools-label {
    display: block;
    margin-bottom: 8px;
    color: var(--ec-faint);
    font-size: 9px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: .075em;
    text-transform: uppercase;
}

.ec-discipline-tool-links {
    display: grid;
    gap: 2px;
}

.ec-discipline-tool-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 8px 9px;
    margin: 0 -9px;
    border-radius: 8px;
    color: var(--ec-slate);
    font-size: 12px;
    line-height: 1.35;
    font-weight: 650;
    text-decoration: none;
    transition: background .14s ease, color .14s ease;
}

.ec-discipline-tool-links a span:last-child {
    color: var(--ec-faint);
    transition: transform .14s ease, color .14s ease;
}

.ec-discipline-tool-links a:hover {
    background: var(--ec-bg-subtle);
    color: var(--ec-red);
}

.ec-discipline-tool-links a:hover span:last-child {
    color: var(--ec-red);
    transform: translate(1px, -1px);
}

.ec-discipline-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 22px;
    border-top: 1px solid var(--ec-border-light);
    background: #fbfcfd;
    color: var(--ec-black);
    font-size: 11px;
    line-height: 1.25;
    font-weight: 800;
    text-decoration: none;
    transition: background .15s ease, color .15s ease;
}

.ec-discipline-cta:hover {
    background: var(--ec-red-soft);
    color: var(--ec-red);
}

.ec-discipline-cta span:last-child {
    font-size: 15px;
    transition: transform .15s ease;
}

.ec-discipline-cta:hover span:last-child {
    transform: translateX(3px);
}

.ec-empty-state {
    padding: 26px;
    border: 1px dashed var(--ec-border-strong);
    border-radius: 16px;
    color: var(--ec-muted);
    background: var(--ec-bg);
}

/* ------------------------------------------------------------
   POPULAR CALCULATORS
------------------------------------------------------------ */
.ec-popular-calcs {
    margin-top: 68px;
    padding-top: 58px;
    border-top: 1px solid var(--ec-border);
}

.ec-popular-header {
    margin-bottom: 24px;
}

.ec-section-action {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 0 8px;
    border-bottom: 1px solid var(--ec-black);
    color: var(--ec-black);
    font-size: 12px;
    font-weight: 800;
    text-decoration: none;
    transition: color .15s ease, border-color .15s ease;
}

.ec-section-action:hover {
    color: var(--ec-red);
    border-color: var(--ec-red);
}

.ec-popular-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.ec-popular-card {
    position: relative;
    display: flex;
    min-height: 220px;
    flex-direction: column;
    padding: 20px;
    border: 1px solid var(--ec-border);
    border-radius: 16px;
    background: var(--ec-bg);
    color: inherit;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(15, 23, 42, .03);
    transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.ec-popular-card:hover {
    transform: translateY(-2px);
    border-color: rgba(207, 46, 46, .38);
    box-shadow: 0 12px 28px rgba(15, 23, 42, .075);
}

.ec-popular-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 30px;
}

.ec-popular-index {
    color: #94a3b8;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 10px;
    font-weight: 700;
}

.ec-popular-cat {
    overflow: hidden;
    color: var(--ec-red);
    font-size: 9px;
    font-weight: 850;
    letter-spacing: .075em;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
}

.ec-popular-title {
    margin: 0;
    color: var(--ec-black);
    font-size: 17px;
    line-height: 1.3;
    letter-spacing: -.025em;
}

.ec-popular-desc {
    display: -webkit-box;
    overflow: hidden;
    margin: 10px 0 0;
    color: var(--ec-soft);
    font-size: 12px;
    line-height: 1.58;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.ec-popular-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid var(--ec-border-light);
    color: var(--ec-slate);
    font-size: 11px;
    font-weight: 800;
}

.ec-popular-card:hover .ec-popular-footer {
    color: var(--ec-red);
}

/* ------------------------------------------------------------
   METHOD / TRUST
------------------------------------------------------------ */
.ec-method {
    display: grid;
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 54px;
    margin-top: 68px;
    padding: 48px;
    border: 1px solid var(--ec-border);
    border-radius: 22px;
    background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.96)),
        linear-gradient(to right, rgba(15,23,42,.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15,23,42,.04) 1px, transparent 1px);
    background-size: auto, 24px 24px, 24px 24px;
}

.ec-method-intro p {
    max-width: 620px;
    margin: 18px 0 0;
    color: var(--ec-muted);
    font-size: 14px;
    line-height: 1.75;
}

.ec-method-grid {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--ec-border);
}

.ec-method-card {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid var(--ec-border);
}

.ec-method-no {
    padding-top: 2px;
    color: var(--ec-red);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 10px;
    font-weight: 800;
}

.ec-method-card h3 {
    margin: 0 0 5px;
    color: var(--ec-black);
    font-size: 14px;
    line-height: 1.35;
    letter-spacing: -.01em;
}

.ec-method-card p {
    margin: 0;
    color: var(--ec-soft);
    font-size: 12px;
    line-height: 1.6;
}

/* ------------------------------------------------------------
   RESPONSIVE
------------------------------------------------------------ */
@media (max-width: 1080px) {
    .ec-hero-grid {
        grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
        gap: 34px;
        padding: 46px;
    }

    .ec-hero-title {
        font-size: clamp(38px, 5.4vw, 52px);
    }

    .ec-popular-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ec-method {
        gap: 36px;
        padding: 38px;
    }
}

@media (max-width: 900px) {
    .ec-hero-grid {
        grid-template-columns: 1fr;
        padding: 38px 32px 32px;
    }

    .ec-hero-copy {
        max-width: none;
    }

    .ec-index-panel {
        max-width: 620px;
    }

    .ec-discipline-grid {
        grid-template-columns: 1fr;
    }

    .ec-method {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .ec-hero {
        border-radius: 20px;
    }

    .ec-hero-grid {
        gap: 30px;
        padding: 30px 22px 22px;
    }

    .ec-hero-title {
        font-size: clamp(34px, 10.5vw, 44px);
        line-height: 1.02;
    }

    .ec-hero-subtitle {
        margin-top: 18px;
        font-size: 15px;
        line-height: 1.65;
    }

    .ec-hero-search .ec-search-form {
        display: grid;
        grid-template-columns: 42px minmax(0, 1fr);
        overflow: visible;
        min-height: 0;
        padding: 0;
        background: transparent;
        border: 0;
        box-shadow: none;
    }

    .ec-hero-search .ec-search-form:focus-within {
        box-shadow: none;
    }

    .ec-search-icon {
        position: relative;
        z-index: 1;
        grid-column: 1;
        grid-row: 1;
        width: 42px;
        border-top: 1px solid var(--ec-border-strong);
        border-bottom: 1px solid var(--ec-border-strong);
        border-left: 1px solid var(--ec-border-strong);
        border-radius: 12px 0 0 12px;
        background: #fff;
    }

    .ec-hero-search .ec-search-field {
        grid-column: 2;
        grid-row: 1;
        width: 100%;
        height: 50px;
        padding: 0 12px 0 0;
        border-top: 1px solid var(--ec-border-strong);
        border-right: 1px solid var(--ec-border-strong);
        border-bottom: 1px solid var(--ec-border-strong);
        border-radius: 0 12px 12px 0;
        background: #fff;
        font-size: 13px;
    }

    .ec-hero-search .ec-search-submit {
        grid-column: 1 / -1;
        grid-row: 2;
        min-height: 46px;
        margin-top: 8px;
        border-radius: 12px;
    }

    .ec-search-suggestions {
        top: 58px;
    }

    .ec-hero-trust {
        gap: 10px 0;
    }

    .ec-hero-trust span {
        width: 50%;
        padding: 0 10px 0 0;
        border-right: 0;
    }

    .ec-section-head--split,
    .ec-popular-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 16px;
    }

    .ec-section-stat {
        padding-left: 12px;
    }

    .ec-disciplines,
    .ec-popular-calcs,
    .ec-method {
        margin-top: 46px;
    }

    .ec-popular-calcs {
        padding-top: 42px;
    }

    .ec-popular-grid {
        grid-template-columns: 1fr;
    }

    .ec-popular-card {
        min-height: 190px;
    }

    .ec-method {
        padding: 28px 22px;
        border-radius: 18px;
    }
}

@media (max-width: 480px) {
    .ec-hero-grid {
        padding: 26px 17px 17px;
    }

    .ec-hero-eyebrow {
        font-size: 10px;
        letter-spacing: .07em;
    }

    .ec-hero-title {
        font-size: 33px;
        letter-spacing: -.045em;
    }

    .ec-hero-quick {
        gap: 7px 12px;
    }

    .ec-hero-quick-label {
        flex-basis: 100%;
    }

    .ec-hero-quick-link {
        font-size: 12px;
    }

    .ec-index-topbar,
    .ec-index-metric,
    .ec-index-foot {
        padding-left: 16px;
        padding-right: 16px;
    }

    .ec-discipline-main {
        grid-template-columns: 40px minmax(0, 1fr);
        gap: 12px;
        padding: 18px 16px 15px;
    }

    .ec-discipline-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }

    .ec-discipline-icon img,
    .ec-discipline-icon svg {
        width: 23px;
        height: 23px;
    }

    .ec-discipline-heading {
        flex-direction: column;
        gap: 7px;
    }

    .ec-discipline-heading h3 {
        font-size: 17px;
    }

    .ec-discipline-tools {
        margin: 0 16px;
    }

    .ec-discipline-cta {
        padding: 13px 16px;
    }

    .ec-discipline-topline {
        padding: 10px 16px;
    }

    .ec-section-title--lg {
        font-size: 26px;
    }

    .ec-section-lead {
        font-size: 14px;
    }
}

/* ------------------------------------------------------------
   ACCESSIBILITY / INPUT MODALITIES
------------------------------------------------------------ */
.ec-hero a:focus-visible,
.ec-disciplines a:focus-visible,
.ec-popular-calcs a:focus-visible,
.ec-method a:focus-visible,
.ec-search-submit:focus-visible,
.ec-search-field:focus-visible {
    outline: 3px solid rgba(207, 46, 46, .28);
    outline-offset: 3px;
}

@media (hover: none) {
    .ec-discipline-card:hover,
    .ec-popular-card:hover {
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ec-category-wrap *,
    .ec-category-wrap *::before,
    .ec-category-wrap *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* ------------------------------------------------------------
   ENGINEERING PRO BRIDGE
------------------------------------------------------------ */
.ec-pro-bridge {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
    gap: 42px;
    align-items: center;
    margin-top: 68px;
    padding: 34px 38px;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 20px;
    background:
        radial-gradient(circle at 85% 15%, rgba(207, 46, 46, .20), transparent 28%),
        linear-gradient(135deg, #111827 0%, #0f172a 100%);
    color: #fff;
    box-shadow: 0 18px 42px rgba(15, 23, 42, .16);
}

.ec-pro-bridge::after {
    content: "";
    position: absolute;
    right: -70px;
    bottom: -100px;
    width: 240px;
    height: 240px;
    border: 1px solid rgba(255, 255, 255, .06);
    border-radius: 50%;
    box-shadow:
        0 0 0 34px rgba(255, 255, 255, .025),
        0 0 0 68px rgba(255, 255, 255, .018);
    pointer-events: none;
}

.ec-pro-bridge > * {
    position: relative;
    z-index: 1;
}

.ec-pro-bridge-kicker {
    display: inline-block;
    margin-bottom: 9px;
    color: #fca5a5;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.ec-pro-bridge h2 {
    max-width: 700px;
    margin: 0;
    color: #fff;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.14;
    letter-spacing: -.04em;
}

.ec-pro-bridge p {
    max-width: 720px;
    margin: 12px 0 0;
    color: #cbd5e1;
    font-size: 13px;
    line-height: 1.7;
}

.ec-pro-bridge-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 11px;
}

.ec-pro-bridge-primary {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    min-width: 230px;
    padding: 13px 16px;
    border-radius: 11px;
    background: var(--ec-red);
    color: #fff;
    font-size: 12px;
    font-weight: 850;
    text-decoration: none;
    transition: background .15s ease, transform .15s ease;
}

.ec-pro-bridge-primary:hover {
    background: var(--ec-red-dark);
    color: #fff;
    transform: translateY(-1px);
}

.ec-pro-bridge-actions > span {
    color: #64748b;
    font-size: 10px;
    font-weight: 700;
}

@media (max-width: 800px) {
    .ec-pro-bridge {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 28px 24px;
    }
}

@media (max-width: 480px) {
    .ec-pro-bridge {
        margin-top: 46px;
        padding: 24px 18px;
        border-radius: 17px;
    }

    .ec-pro-bridge-primary {
        width: 100%;
        min-width: 0;
    }
}

.ec-index-code,
.ec-pro-bridge-copy {
    min-width: 0;
}