/* ==========================================================================
   The Pipeline Conference — base theme
   Visual language ported from the live WordPress site (Rara "Conference Pro"
   theme): Nunito Sans type, green/teal brand palette, full-bleed banner.
   ========================================================================== */

:root {
    --primary-color: #4da55f;
    --secondary-color: #046d72;
    --text-color: #353535;
    --heading-color: #1c1d1d;
    --border-color: #e3e3e3;
    --max-width: 1140px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    color: var(--text-color);
    font-family: "Nunito Sans", Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

/* ---- buttons ---- */

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    font-weight: 700;
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    padding: 13px 20px;
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
}

.btn:hover {
    background-color: #3d8a4c;
    text-decoration: none;
}

.btn-transparent {
    background-color: transparent;
    border: 2px solid #fff;
    color: #fff;
}

.btn-transparent:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--primary-color);
}

/* ---- header / masthead ---- */

.site-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 20;
    padding: 16px 0;
    background: transparent;
    transition: background-color 0.25s ease;
}

.site-header.is-scrolled {
    position: fixed;
    background: rgba(4, 109, 114, 0.92);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.site-header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 14px;
    color: #fff;
}

.site-logo {
    width: 54px;
    height: 54px;
    object-fit: contain;
}

.site-title-wrap {
    display: flex;
    flex-direction: column;
}

.site-title {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
}

.site-description {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.85);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 34px;
    height: 34px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: #fff;
}

/* ---- primary nav ---- */

.navbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
}

.navbar>a,
.navbar-dropdown>a {
    display: inline-block;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    text-transform: capitalize;
    padding: 8px 12px;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.navbar>a:hover,
.navbar-dropdown>a:hover {
    background-color: rgba(255, 255, 255, 0.12);
    text-decoration: none;
}

.navbar>a.current {
    text-decoration: underline;
}

.navbar-dropdown {
    position: relative;
    display: inline-block;
}

.navbar-dropdown-toggle {
    display: none;
}

.navbar-dropdown-menu {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    min-width: 220px;
    padding: 6px 0;
    z-index: 30;
}

.navbar-dropdown:hover .navbar-dropdown-menu,
.navbar-dropdown:focus-within .navbar-dropdown-menu {
    display: block;
}

.navbar-dropdown-menu a {
    display: block;
    color: var(--text-color);
    font-weight: 600;
    font-size: 14px;
    padding: 10px 18px;
    white-space: nowrap;
    border-radius: 0;
}

.navbar-dropdown-menu a:hover {
    background-color: #f2f7f3;
    text-decoration: none;
}

.navbar-cta {
    margin-left: 8px;
    padding: 10px 20px;
}

/* ---- site banner / hero ---- */

.site-banner {
    position: relative;
    background-color: var(--secondary-color);
    background-size: cover;
    background-position: center;
}

.banner-caption {
    position: relative;
    background: linear-gradient(rgba(77, 165, 95, 0.85), rgba(4, 109, 114, 0.85));
    text-align: center;
    padding: 90px 24px;
    padding-top: 180px;
}

.site-banner--home .banner-caption {
    padding: 190px 24px 110px;
}

.banner-title {
    color: #fff;
    font-size: 3.2em;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 12px;
}

.site-banner--page .banner-title {
    font-size: 2.4em;
}

.banner-desc {
    color: #fff;
    font-weight: 600;
    font-size: 1.15em;
    letter-spacing: 0.3px;
    margin: 0 auto 30px;
    max-width: 720px;
}

.banner-breadcrumb {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95em;
}

.banner-breadcrumb a {
    color: #fff;
    text-decoration: underline;
}

.banner-btn-wrap {
    margin-top: 10px;
}

/* ---- article meta ---- */

.article-meta {
    padding-top: 24px;
}

.subtitle-topic {
    color: var(--secondary-color);
    font-size: 80%;
}

.subtitle-date {
    color: #888;
    font-size: 90%;
}

/* ---- content ---- */

.content-block {
    padding: 40px 24px 60px;
}

.content-block h1,
.content-block h2,
.content-block h3,
.content-block h4 {
    color: var(--heading-color);
    font-weight: 700;
    line-height: 1.3;
}

.content-block h2 {
    font-size: 2em;
    margin-top: 1.6em;
}

.content-block h3 {
    font-size: 1.5em;
}

.content-block p {
    font-size: 1.05em;
    line-height: 1.8;
}

.content-block table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
}

.content-block table td,
.content-block table th {
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    text-align: left;
    vertical-align: top;
}

.content-block table tr:nth-child(odd) {
    background-color: #f7f8f9;
}

.content-block blockquote {
    border-left: 3px solid var(--primary-color);
    color: #555;
    padding-left: 16px;
    margin-left: 0;
    font-style: italic;
}

.content-block iframe {
    max-width: 100%;
}

.edit-suggestion {
    text-align: center;
    font-style: italic;
    opacity: 0.7;
    padding-bottom: 20px;
}

/* ---- blog list ---- */

.post-list {
    padding-bottom: 60px;
}

.post-list-item {
    display: block;
    color: inherit;
    text-decoration: none;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.post-list-item:hover {
    text-decoration: none;
    background-color: #fafafa;
}

.post-list-item h2 {
    margin: 0 0 4px;
    color: var(--heading-color);
    font-size: 1.4em;
}

.tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted var(--text-color);
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 240px;
    background-color: #222;
    color: #ddd;
    text-align: center;
    padding: 5px 0;
    border-radius: 6px;
    position: absolute;
    left: -120px;
    top: 100%;
    z-index: 1;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
}

/* ---- footer ---- */

.site-footer {
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
}

.footer-contact {
    text-align: center;
    padding: 60px 24px;
}

.footer-contact h2 {
    color: var(--heading-color);
    font-size: 2em;
    margin: 0 0 10px;
}

.footer-contact-card {
    max-width: 480px;
    margin: 30px auto 0;
    padding: 30px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-align: left;
}

.footer-contact-detail {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 16px;
}

.footer-contact-label {
    color: #999;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 6px;
    color: #fff;
    transition: opacity 0.2s;
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.social-link:hover {
    opacity: 0.85;
}

.social-link--linkedin {
    background-color: #007fb1;
}

.social-link--x {
    background-color: var(--primary-color);
}

.social-link--youtube {
    background-color: #ff3333;
}

.social-link--instagram {
    background-color: #3f729b;
}

.social-link--facebook {
    background-color: #3b5998;
}

.footer-bottom {
    background-color: #111;
    color: #ccc;
    text-align: center;
    padding: 18px 24px;
    font-size: 0.85em;
}

.footer-bottom a {
    color: #ccc;
}

/* ---- newsletter success banner ---- */

.newsletter-success-banner {
    align-items: center;
    background-color: #047857;
    color: #f9fafb;
    display: flex;
    gap: 12px;
    justify-content: center;
    padding: 12px 16px;
}

.newsletter-success-banner[hidden] {
    display: none !important;
}

.newsletter-success-banner__text {
    margin: 0;
    text-align: center;
}

.newsletter-success-banner__dismiss {
    background: transparent;
    border: 1px solid #f9fafb;
    border-radius: 4px;
    color: inherit;
    cursor: pointer;
    flex-shrink: 0;
    font-size: 18px;
    line-height: 1;
    padding: 2px 8px;
}

.newsletter-success-banner__dismiss:hover {
    background-color: rgba(249, 250, 251, 0.15);
}

pre {
    background-color: #f7f8f9 !important;
    padding: 14px !important;
    border-radius: 6px;
    overflow-x: auto;
}

/* ---- responsive ---- */

@media (max-width: 900px) {
    .site-header-inner {
        position: relative;
    }

    .nav-toggle {
        display: flex;
    }
    .navbar {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        max-height: calc(100vh - 100%);
        overflow-y: auto;
        background-color: rgba(4, 41, 45, 0.97);
        padding: 10px 16px 16px;
        gap: 0;
    }

    .navbar.is-open {
        display: flex;
    }

    .navbar-dropdown {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
    }

    .navbar-dropdown>a {
        flex: 1 1 auto;
        width: auto;
    }

    .navbar-dropdown-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto;
        width: 40px;
        height: 40px;
        background: transparent;
        border: none;
        color: #fff;
        font-size: 16px;
        cursor: pointer;
        transition: transform 0.2s;
    }

    .navbar-dropdown-toggle[aria-expanded="true"] {
        transform: rotate(180deg);
    }

    .navbar-dropdown-menu {
        display: none;
        position: static;
        box-shadow: none;
        background: rgba(0, 0, 0, 0.1);
        margin-left: 10px;
        flex-basis: 100%;
    }

    .navbar-dropdown-menu.is-open {
        display: block;
    }

    .navbar-dropdown-menu a {
        color: #fff;
    }

    .navbar-dropdown-menu a:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }

    .navbar>a,
    .navbar-dropdown {
        width: 100%;
        border-radius: 0;
    }

    .navbar-cta {
        margin: 10px 0 0;
        text-align: center;
    }

    .banner-title {
        font-size: 2.2em;
    }
}