@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,600&display=swap');

:root {
    --yellow: #ffc400;
    --ink: #20272c;
    --muted: #586269;
    --line: #d6dce0
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    font-family: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    margin: 0;
    font-family: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    font-size: 16px;
    line-height: 1.65;
    background: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

    a {
        color: inherit;
        text-decoration: none
    }

    button,
    input,
    select,
    textarea,
    optgroup {
        font-family: inherit;
        font-size: inherit;
    }

    button,
    a,
    input,
    select,
    textarea {
        -webkit-tap-highlight-color: transparent
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid #c18f00;
        outline-offset: 5px
    }

    .topline {
        background: var(--ink);
        color: #e7ebed;
        padding: 8px 5.5%;
        display: flex;
        justify-content: space-between;
        font-size: 12px;
        letter-spacing: 1.5px
    }

    .topline a {
        letter-spacing: 0;
        font-size: 14px
    }

    header {
        padding: 16px 5.5%;
        height: 100px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid var(--line);
        background: white;
        position: sticky;
        top: 0;
        z-index: 10
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 16px
    }

    .brand img {
        width: 114px;
        height: 76px;
        object-fit: contain
    }

    .brand span {
        font-size: 12px;
        letter-spacing: 2px;
        border-left: 1px solid var(--line);
        padding-left: 16px
    }

    nav {
        display: flex;
        align-items: center;
        gap: 28px;
        font-size: 14px;
        font-weight: bold
    }

    nav>a:not(.btn):hover {
        color: #8a6600
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--yellow);
        color: var(--ink);
        padding: 15px 24px;
        font-weight: bold;
        border: 1px solid var(--yellow);
        cursor: pointer;
        font-size: 14px;
        line-height: 1.4
    }

    .btn:hover {
        background: #eab600;
        border-color: #eab600
    }

    .small {
        padding: 12px 18px
    }

    .menu {
        display: none
    }

    .hero {
        display: grid;
        grid-template-columns: 1.1fr 1fr;
        background: var(--ink);
        color: #fff;
        min-height: 620px
    }

    .hero-copy {
        padding: 70px 7% 32px 10%
    }

    .eyebrow {
        font-size: 12px;
        letter-spacing: 2px;
        font-weight: bold;
        margin: 0 0 24px
    }

    .hero .eyebrow {
        color: var(--yellow)
    }

    h1 {
        font-size: clamp(48px, 5.5vw, 86px);
        line-height: 1.04;
        letter-spacing: -3.5px;
        margin: 0 0 30px;
        font-weight: 800
    }

    h1 em {
        font-style: normal;
        color: var(--yellow)
    }

    .lead {
        max-width: 510px;
        color: #c9d0d4;
        font-size: 18px;
        line-height: 1.7
    }

    .actions {
        display: flex;
        gap: 25px;
        align-items: center;
        margin-top: 32px;
        flex-wrap: wrap
    }

    .text-link {
        font-size: 14px;
        border-bottom: 1px solid #78858c;
        padding: 8px 0
    }

    .hero-foot {
        display: flex;
        gap: 30px;
        border-top: 1px solid #485056;
        margin-top: 65px;
        padding-top: 20px;
        font-size: 12px;
        letter-spacing: 1px;
        color: #b9c4ca
    }

    .hero-photo {
        position: relative;
        min-height: 480px;
        background: #343e44
    }

    .hero-photo>img {
        width: 100%;
        height: 100%;
        position: absolute;
        object-fit: cover
    }

    .photo-note {
        position: absolute;
        bottom: 0;
        padding: 25px 35px;
        background: linear-gradient(transparent, #151b20d9);
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 6px;
        font-size: 12px;
        letter-spacing: 2px
    }

    .photo-note small {
        letter-spacing: 0;
        color: #dce0e2;
        font-size: 12px
    }

    .band {
        display: flex;
        justify-content: space-between;
        gap: 20px;
        padding: 24px 5.5%;
        background: var(--yellow);
        font-size: 14px;
        font-weight: bold
    }

    .section {
        padding: 100px 5.5%;
        scroll-margin-top: 0
    }

    .about {
        display: grid;
        grid-template-columns: 1fr 1.1fr;
        gap: 80px
    }

    h2 {
        font-size: clamp(35px, 3.4vw, 52px);
        line-height: 1.12;
        letter-spacing: -1.8px;
        margin: 0 0 28px
    }

    h3 {
        font-size: 24px;
        line-height: 1.25;
        letter-spacing: -.5px;
        margin: 0 0 20px
    }

    p {
        margin: 0 0 20px
    }

    .large {
        font-size: 22px;
        line-height: 1.55
    }

    .about p:not(.large):not(.eyebrow) {
        color: var(--muted)
    }

    .facts {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        border-top: 1px solid var(--line);
        padding-top: 24px;
        margin-top: 35px;
        gap: 20px
    }

    .facts small {
        font-size: 12px;
        letter-spacing: 1px;
        display: block
    }

    .facts strong {
        font-size: 18px;
        display: block;
        margin-top: 5px
    }

    .services {
        background: #eef1f3
    }

    .section-heading {
        display: flex;
        justify-content: space-between;
        gap: 60px;
        align-items: flex-end;
        margin-bottom: 42px
    }

    .section-heading h2 {
        margin-bottom: 0
    }

    .section-heading>p {
        max-width: 390px;
        color: var(--muted);
        margin: 0
    }

    .service-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1px;
        background: var(--line);
        border: 1px solid var(--line)
    }

    .service-grid article {
        background: white;
        padding: 32px 25px;
        display: flex;
        flex-direction: column;
        align-items: flex-start
    }

    .service-grid .featured {
        background: var(--ink);
        color: white
    }

    .number {
        font-size: 14px;
        color: #657078;
        margin-bottom: 44px;
        display: block
    }

    .featured .number {
        color: var(--yellow)
    }

    .service-grid p {
        font-size: 16px;
        color: var(--muted)
    }

    .service-grid .featured p {
        color: #cad3d8
    }

    .service-grid ul {
        padding-left: 18px;
        font-size: 14px;
        color: #cad3d8;
        margin: 0 0 28px
    }

    .service-grid a {
        margin-top: auto;
        font-size: 14px;
        font-weight: bold;
        border-bottom: 1px solid #9ba3a8;
        padding-bottom: 5px
    }

    .featured a {
        color: var(--yellow);
        border-color: #846b20
    }

    .filters {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 30px
    }

    .filters button {
        padding: 10px 18px;
        background: white;
        border: 1px solid var(--line);
        cursor: pointer;
        font-size: 14px;
        font-weight: bold
    }

    .filters button.active {
        background: var(--ink);
        color: white;
        border-color: var(--ink)
    }

    .equipment-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px
    }

    .equipment-grid article {
        padding: 30px;
        border: 1px solid var(--line);
        border-top: 4px solid var(--yellow);
        display: flex;
        flex-direction: column;
        min-height: 260px
    }

    .equipment-label {
        font-size: 12px;
        letter-spacing: 1.2px;
        color: var(--muted);
        margin-bottom: 20px
    }

    .equipment-grid h3 {
        font-size: 22px
    }

    .equipment-grid p {
        color: var(--muted)
    }

    .equipment-grid a {
        font-weight: bold;
        font-size: 14px;
        margin-top: auto;
        text-decoration: underline;
        text-underline-offset: 5px
    }

    .equipment-grid [hidden] {
        display: none
    }

    .approach {
        background: var(--ink);
        color: #fff;
        display: grid;
        grid-template-columns: 1fr 1.1fr;
        gap: 100px
    }

    .approach .eyebrow {
        color: var(--yellow)
    }

    .approach>div>p:last-child {
        color: #bfc9cf;
        max-width: 410px
    }

    .approach ol {
        list-style: none;
        padding: 0;
        margin: 0
    }

    .approach li {
        display: flex;
        gap: 25px;
        padding: 24px 0;
        border-top: 1px solid #465158
    }

    .approach li>span {
        color: var(--yellow);
        font-size: 14px;
        padding-top: 4px
    }

    .approach h3 {
        font-size: 22px;
        margin-bottom: 8px
    }

    .approach li p {
        color: #bec9cf;
        margin: 0
    }

    .contact {
        display: grid;
        grid-template-columns: 1fr 1.1fr;
        gap: 80px
    }

    .contact-copy>p:not(.eyebrow) {
        color: var(--muted);
        max-width: 450px
    }

    .contact-links {
        display: grid;
        gap: 16px;
        margin: 32px 0
    }

    .contact-links a {
        display: flex;
        flex-direction: column
    }

    .contact-links small {
        font-size: 12px;
        letter-spacing: 1.5px;
        color: var(--muted)
    }

    .contact-links strong {
        font-size: 20px;
        overflow-wrap: anywhere
    }

    address {
        font-style: normal;
        color: var(--muted);
        font-size: 14px
    }

    form {
        padding: 35px;
        background: #eef1f3;
        border-top: 5px solid var(--yellow)
    }

    form h3 {
        margin-bottom: 10px
    }

    form>p {
        color: var(--muted);
        font-size: 14px
    }

    label {
        display: block;
        font-size: 14px;
        font-weight: bold;
        margin-bottom: 20px
    }

    input,
    select,
    textarea {
        display: block;
        width: 100%;
        margin-top: 8px;
        background: white;
        padding: 12px;
        border: 1px solid #bfc8cd;
        color: var(--ink);
        font-size: 16px;
        line-height: 1.5;
        border-radius: 0
    }

    textarea {
        resize: vertical
    }

    .form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 15px
    }

    .secondary {
        background: transparent;
        border-color: #7d888e
    }

    .secondary:hover {
        background: #dde2e5;
        border-color: #7d888e
    }

    .form-note {
        margin: 20px 0 0;
        font-size: 12px
    }

    footer {
        padding: 40px 5.5%;
        border-top: 1px solid var(--line);
        display: flex;
        justify-content: space-between;
        gap: 30px;
        font-size: 12px
    }

    footer strong {
        font-size: 14px
    }

    footer p {
        margin: 6px 0;
        color: var(--muted)
    }

    footer>a {
        font-size: 14px;
        text-decoration: underline;
        align-self: center
    }

    .skip {
        position: absolute;
        top: -80px;
        left: 20px;
        background: var(--yellow);
        padding: 10px;
        z-index: 20
    }

    .skip:focus {
        top: 15px
    }

    .sr-only {
        position: absolute;
        clip: rect(0, 0, 0, 0);
        height: 1px;
        width: 1px;
        overflow: hidden
    }

    @media(min-width:1600px) {
        .section {
            padding-left: max(5.5%, calc((100vw - 1450px)/2));
            padding-right: max(5.5%, calc((100vw - 1450px)/2))
        }
    }

    @media(max-width:1000px) {
        nav {
            gap: 16px
        }

        .brand span {
            display: none
        }

        .hero-copy {
            padding: 55px 8%
        }

        .hero-foot {
            margin-top: 45px;
            flex-direction: column;
            gap: 8px
        }

        .service-grid {
            grid-template-columns: repeat(2, 1fr)
        }

        .about,
        .contact,
        .approach {
            gap: 45px
        }

        .section {
            padding-top: 75px;
            padding-bottom: 75px
        }

        .equipment-grid {
            grid-template-columns: repeat(2, 1fr)
        }
    }

    @media(max-width:700px) {
        .topline {
            font-size: 11px
        }

        .topline>span:last-child {
            display: none
        }

        header {
            height: 85px
        }

        .brand img {
            width: 100px;
            height: 65px
        }

        .menu {
            display: block;
            background: transparent;
            border: 1px solid var(--line);
            padding: 9px 16px;
            font-size: 14px
        }

        nav {
            display: none;
            position: absolute;
            top: 85px;
            left: 0;
            width: 100%;
            background: white;
            padding: 25px 5.5%;
            border-bottom: 1px solid var(--line);
            max-height: calc(100vh - 85px);
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
            box-shadow: 0 10px 25px rgba(32, 39, 44, 0.15);
        }

        nav.open {
            display: flex;
            flex-direction: column;
            align-items: stretch;
            gap: 18px
        }

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

        .hero-copy {
            padding: 45px 5.5% 30px
        }

        h1 {
            font-size: 52px;
            letter-spacing: -2px
        }

        .hero-photo {
            min-height: 320px
        }

        .hero-foot {
            margin-top: 32px;
            flex-direction: row;
            gap: 22px;
            font-size: 11px
        }

        .band {
            display: grid;
            grid-template-columns: 1fr 1fr;
            font-size: 12px;
            padding-top: 20px;
            padding-bottom: 20px
        }

        .section {
            padding: 60px 5.5%
        }

        .about,
        .contact,
        .approach {
            grid-template-columns: 1fr;
            gap: 30px
        }

        .section-heading {
            display: block;
            margin-bottom: 30px
        }

        .section-heading>p {
            margin-top: 25px
        }

        .service-grid,
        .equipment-grid {
            grid-template-columns: 1fr
        }

        .service-grid article {
            padding: 28px
        }

        .service-grid .number {
            margin-bottom: 25px
        }

        .service-grid h3 br {
            display: none
        }

        .facts {
            gap: 12px
        }

        .facts strong {
            font-size: 16px
        }

        .facts small {
            font-size: 11px
        }

        form {
            padding: 25px 20px
        }

        .form-row {
            grid-template-columns: 1fr;
            gap: 0
        }

        .form-row>.btn {
            margin-bottom: 12px
        }

        footer {
            flex-direction: column;
            gap: 15px
        }

        footer>a {
            align-self: flex-start
        }

        .eyebrow {
            letter-spacing: 1.3px
        }

        .large {
            font-size: 20px
        }
    }

    @media(prefers-reduced-motion:reduce) {
        html {
            scroll-behavior: auto
        }
    }

    .detail-hero {
        background: var(--ink);
        color: white;
        padding: 40px 5.5% 65px
    }

    .detail-hero h1 {
        max-width: 1100px;
        font-size: clamp(38px, 5vw, 68px);
        letter-spacing: -2px;
        line-height: 1.12
    }

    .detail-hero .lead {
        max-width: 820px
    }

    .detail-hero .eyebrow {
        color: var(--yellow);
        margin-top: 35px
    }

    .breadcrumb {
        font-size: 14px;
        color: #bdc8ce;
        margin-bottom: 35px
    }

    .breadcrumb a {
        text-decoration: underline;
        text-underline-offset: 4px
    }

    .detail-body {
        display: grid;
        grid-template-columns: 1.4fr 1fr;
        gap: 80px
    }

    .detail-body h2 {
        font-size: 38px
    }

    .detail-body h3 {
        margin-top: 35px
    }

    .detail-body li {
        margin-bottom: 12px
    }

    .detail-body ul {
        padding-left: 20px
    }

    .scope-note {
        color: var(--muted);
        font-size: 14px;
        margin-top: 30px;
        padding-top: 20px;
        border-top: 1px solid var(--line)
    }

    .enquiry-aside {
        background: #eef1f3;
        border-top: 5px solid var(--yellow);
        padding: 32px;
        align-self: start
    }

    .enquiry-aside h3 {
        margin-top: 0
    }

    .enquiry-aside .eyebrow {
        font-size: 12px
    }

    .enquiry-aside .btn {
        margin-top: 15px;
        width: 100%
    }

    .aside-call {
        display: block;
        margin-top: 18px;
        font-size: 14px;
        text-align: center;
        text-decoration: underline
    }

    .related {
        background: #eef1f3
    }

    .related .equipment-grid article {
        background: white
    }

    .back-list {
        margin: 30px 0 0;
        text-decoration: underline
    }

    nav a[aria-current="page"] {
        text-decoration: underline;
        text-decoration-color: #c18f00;
        text-underline-offset: 7px
    }

    @media(max-width:700px) {
        .detail-hero {
            padding-top: 30px;
            padding-bottom: 40px
        }

        .detail-body {
            grid-template-columns: 1fr;
            gap: 30px
        }

        .detail-body h2 {
            font-size: 32px
        }

        .detail-hero h1 {
            font-size: 40px;
            letter-spacing: -1px
        }

        .enquiry-aside {
            padding: 24px
        }
    }

    .home-overview {
        background: #fff;
        padding-top: 75px;
        padding-bottom: 75px;
        border-bottom: 1px solid var(--line)
    }

    .home-overview .eyebrow {
        color: #6b5300
    }

    .home-overview h1 {
        color: var(--ink);
        font-size: clamp(42px, 5.5vw, 76px);
        line-height: 1.1;
        letter-spacing: -2px;
        max-width: 1050px
    }

    .home-overview h1 em {
        color: var(--ink)
    }

    .home-overview .lead {
        color: var(--ink);
        font-size: 22px;
        max-width: 900px
    }

    .overview-copy {
        max-width: 840px;
        color: var(--muted);
        font-size: 18px
    }

    .home-overview .actions {
        gap: 15px
    }

    @media(max-width:700px) {
        .home-overview {
            padding-top: 45px;
            padding-bottom: 50px
        }

        .home-overview h1 {
            font-size: 42px;
            letter-spacing: -1px
        }

        .home-overview .lead {
            font-size: 20px
        }

        .home-overview .actions {
            align-items: stretch;
            flex-direction: column
        }
    }

    .nav-dropdown {
        position: relative
    }

    .nav-toggle {
        border: 0;
        background: none;
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 8px 0;
        cursor: pointer;
        color: var(--ink);
        font-size: 14px;
        font-weight: bold;
        line-height: 1.4
    }

    .chevron {
        width: 7px;
        height: 7px;
        border-right: 1.5px solid currentColor;
        border-bottom: 1.5px solid currentColor;
        transform: rotate(45deg);
        margin-top: -3px;
        transition: transform 0.2s ease, margin-top 0.2s ease;
        display: inline-block;
        pointer-events: none;
    }

    .nav-toggle[aria-expanded="true"] .chevron,
    .nav-dropdown.open .chevron {
        transform: rotate(225deg);
        margin-top: 4px;
    }

    .dropdown-panel {
        position: absolute;
        left: -20px;
        top: 100%;
        width: 310px;
        max-height: 70vh;
        overflow: auto;
        box-shadow: 0 10px 25px rgba(32, 39, 44, 0.15);
        background: white;
        border: 1px solid var(--line);
        border-top: 3px solid var(--yellow);
        padding: 10px;
        z-index: 30;
    }

    .dropdown-panel[hidden] {
        display: none !important;
    }

    .dropdown-panel a {
        display: block;
        font-size: 14px;
        font-weight: normal;
        padding: 10px 12px;
        line-height: 1.4
    }

    .dropdown-panel a:hover,
    .dropdown-panel a:focus-visible {
        background: #eef1f3
    }

    .dropdown-panel .view-all {
        font-weight: bold;
        border-bottom: 1px solid var(--line);
        margin-bottom: 5px
    }

    .project-photo {
        margin: 0;
        align-self: start
    }

    .project-photo img {
        width: 100%;
        height: auto;
        aspect-ratio: 3/2;
        object-fit: cover;
        display: block
    }

    .project-photo figcaption {
        padding: 12px 0;
        font-size: 12px;
        color: var(--muted);
        line-height: 1.5
    }

    .equipment-grid article {
        overflow: hidden
    }

    .card-photo {
        margin: -30px -30px 24px;
        position: relative
    }

    .card-photo img {
        width: 100%;
        height: auto;
        aspect-ratio: 3/2;
        object-fit: cover;
        display: block
    }

    .card-photo span {
        position: absolute;
        bottom: 8px;
        left: 10px;
        padding: 3px 6px;
        background: #20272cc9;
        color: #fff;
        font-size: 12px;
        line-height: 1.4
    }

    .equipment-grid article .card-photo {
        flex-shrink: 0
    }

    .detail-body {
        align-items: start
    }

    @media(max-width:700px) {
        .dropdown-panel {
            position: static;
            width: 100%;
            max-height: none;
            box-shadow: none;
            margin-top: 8px;
            background: #f8fafc;
            border: 1px solid var(--line);
            border-top: 2px solid var(--yellow);
            border-radius: 4px;
        }

        .dropdown-panel[hidden] {
            display: none !important;
        }

        .nav-dropdown {
            width: 100%;
        }

        .nav-toggle {
            width: 100%;
            justify-content: space-between;
            padding: 8px 0;
        }

        .dropdown-panel a {
            padding: 10px 12px;
            border-bottom: 1px solid #eef2f5;
        }

        .dropdown-panel a:last-child {
            border-bottom: none;
        }

        .project-photo {
            width: 100%;
        }
    }
    /* ==========================================================================
   Floating WhatsApp Widget
   ========================================================================== */
.floating-whatsapp {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #ffffff;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.floating-whatsapp:hover {
    transform: scale(1.08) translateY(-3px);
    color: #ffffff;
}

.floating-whatsapp:active {
    transform: scale(0.96) translateY(0);
}

.whatsapp-icon-box {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45), 0 3px 8px rgba(0, 0, 0, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.4);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.floating-whatsapp:hover .whatsapp-icon-box {
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6), 0 4px 12px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.7);
}

.whatsapp-icon {
    width: 32px;
    height: 32px;
    fill: #ffffff;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.15));
    transition: transform 0.3s ease;
}

.floating-whatsapp:hover .whatsapp-icon {
    transform: rotate(-6deg) scale(1.05);
}

/* Subtle radiating pulse */
.whatsapp-pulse {
    position: absolute;
    right: 0;
    top: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.45);
    z-index: 1;
    pointer-events: none;
    animation: wa-pulse-wave 2.5s cubic-bezier(0.24, 0, 0.38, 1) infinite;
}

@keyframes wa-pulse-wave {
    0% {
        transform: scale(0.95);
        opacity: 0.8;
    }
    60% {
        transform: scale(1.55);
        opacity: 0;
    }
    100% {
        transform: scale(1.55);
        opacity: 0;
    }
}

/* Tooltip Badge */
.whatsapp-tooltip {
    position: absolute;
    right: 74px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: #ffffff;
    color: #20272c;
    font-family: 'Montserrat', system-ui, sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.2px;
    white-space: nowrap;
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
    pointer-events: none;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px 0 6px 6px;
    border-style: solid;
    border-color: transparent transparent transparent #ffffff;
}

.floating-whatsapp:hover .whatsapp-tooltip,
.floating-whatsapp:focus-visible .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

.whatsapp-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #25D366;
    box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.3);
    animation: wa-dot-pulse 1.8s ease-in-out infinite;
}

@keyframes wa-dot-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.25);
        opacity: 0.7;
    }
}

/* Accessibility focus */
.floating-whatsapp:focus-visible {
    outline: none;
}

.floating-whatsapp:focus-visible .whatsapp-icon-box {
    outline: 3px solid #ffc000;
    outline-offset: 4px;
}

/* Responsive adjustments */
@media (max-width: 700px) {
    .floating-whatsapp {
        bottom: max(20px, env(safe-area-inset-bottom, 20px));
        right: 18px;
    }

    .whatsapp-icon-box,
    .whatsapp-pulse {
        width: 52px;
        height: 52px;
    }

    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}