/* Vertex SHEQ Solutions - optional JavaScript enhancement styles */
:root {
    --vertex-green: #54b879;
    --vertex-deep: #10251f;
    --vertex-panel: rgba(255, 255, 255, 0.94);
    --vertex-shadow: 0 18px 45px rgba(6, 22, 18, 0.14);
}

html {
    scroll-behavior: smooth;
}

body.nav-open {
    overflow: hidden;
}

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background 220ms ease, box-shadow 220ms ease, backdrop-filter 220ms ease;
}

header.is-scrolled {
    background: rgba(16, 37, 31, 0.92);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(14px);
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--vertex-green), #ffffff);
    z-index: 1500;
    transition: width 120ms linear;
}

.menu-toggle {
    display: none;
    width: 46px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    display: block;
    background: currentColor;
    border-radius: 999px;
    transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-links a {
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -7px;
    height: 2px;
    background: var(--vertex-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
}

.scroll-cue {
    width: 34px;
    height: 52px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    display: inline-flex;
    align-items: flex-start;
    justify-content: center;
    margin-top: 28px;
    padding-top: 10px;
    opacity: 0.85;
}

.scroll-cue span {
    width: 6px;
    height: 6px;
    background: currentColor;
    border-radius: 50%;
    animation: vertex-scroll-dot 1.6s ease-in-out infinite;
}

@keyframes vertex-scroll-dot {
    0%, 100% { transform: translateY(0); opacity: 0.4; }
    50% { transform: translateY(18px); opacity: 1; }
}

.trust-strip {
    padding: 0;
    margin-top: -1px;
}

.trust-bar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    transform: translateY(-28px);
}

.trust-bar span {
    display: block;
    padding: 18px 14px;
    border-radius: 18px;
    background: var(--vertex-panel);
    box-shadow: var(--vertex-shadow);
    font-weight: 700;
    text-align: center;
}

.card {
    position: relative;
    overflow: hidden;
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(360px circle at var(--x, 50%) var(--y, 0%), rgba(84, 184, 121, 0.16), transparent 42%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
}

.card:hover,
.card.is-active {
    transform: translateY(-8px);
    box-shadow: var(--vertex-shadow);
}

.card:hover::after,
.card.is-active::after {
    opacity: 1;
}

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 650ms ease var(--reveal-delay, 0ms), transform 650ms ease var(--reveal-delay, 0ms);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}

.filter-btn,
.copy-email {
    border: 1px solid rgba(16, 37, 31, 0.14);
    background: #ffffff;
    color: var(--vertex-deep);
    border-radius: 999px;
    padding: 10px 16px;
    cursor: pointer;
    font-weight: 700;
    transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.filter-btn:hover,
.filter-btn.active,
.copy-email:hover,
.copy-email.copied {
    background: var(--vertex-deep);
    color: #ffffff;
    transform: translateY(-2px);
}

.filter-target[hidden] {
    display: none !important;
}

.faq-section {
    padding: 72px 0;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 26px;
}

.section-heading p {
    margin-top: 8px;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-item {
    border: 1px solid rgba(16, 37, 31, 0.12);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(6, 22, 18, 0.08);
    overflow: hidden;
}

.faq-item summary {
    cursor: pointer;
    padding: 20px 22px;
    font-weight: 800;
    list-style: none;
}

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

.faq-item summary::after {
    content: "+";
    float: right;
    font-size: 1.2rem;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    padding: 0 22px 22px;
    margin: 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
}

.values-grid div {
    padding: 16px;
    border-radius: 16px;
    background: rgba(84, 184, 121, 0.1);
}

.values-grid strong,
.values-grid span {
    display: block;
}

.values-grid span {
    margin-top: 4px;
    font-size: 0.92rem;
}

.copy-email {
    margin-top: 10px;
    display: inline-flex;
}

.field-help,
.form-status {
    font-size: 0.9rem;
    margin-top: 8px;
    opacity: 0.78;
}

.smart-form.show-validation input:invalid,
.smart-form.show-validation textarea:invalid {
    outline: 2px solid #b42318;
    outline-offset: 2px;
}

.back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 50%;
    background: var(--vertex-deep);
    color: #ffffff;
    font-size: 1.3rem;
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.22);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity 180ms ease, transform 180ms ease;
    z-index: 1400;
}

.back-to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

@media (max-width: 820px) {
    .menu-toggle {
        display: inline-flex;
        color: #ffffff;
    }

    .nav-links {
        position: fixed;
        left: 16px;
        right: 16px;
        top: 78px;
        display: grid !important;
        gap: 4px;
        padding: 18px;
        border-radius: 22px;
        background: rgba(16, 37, 31, 0.98);
        box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition: opacity 180ms ease, transform 180ms ease;
    }

    body.nav-open .nav-links {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-links a {
        padding: 12px 8px;
    }

    .trust-bar,
    .values-grid {
        grid-template-columns: 1fr;
        transform: none;
        margin-top: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* Header logo image update */
.logo {
    display: inline-flex;
    align-items: center;
    line-height: 0;
    flex: 0 0 auto;
}

.logo .site-logo-img {
    width: clamp(230px, 26vw, 320px);
    height: auto;
    max-height: 78px;
    object-fit: contain;
}

header.is-scrolled .logo .site-logo-img {
    max-height: 66px;
}

@media (max-width: 820px) {
    nav {
        flex-direction: row;
        text-align: left;
        flex-wrap: nowrap;
    }

    .logo .site-logo-img {
        width: clamp(190px, 64vw, 260px);
        max-height: 62px;
    }

    .nav-links {
        top: 88px;
    }
}

@media (max-width: 420px) {
    .logo .site-logo-img {
        width: 205px;
    }
}