/* ========================
   Needham Scientific - Custom CSS
   ======================== */

:root {
    --ns-navy: #1B263B;
    --ns-text-dark: #111111;
    --ns-text-grey: #4A4A4A;
    --ns-bg-light: #F8F9FA;
    --ns-white: #ffffff;
    --ns-footer-dark: #050505;
    --ns-muted: #888888;
    --ns-card-text: #666666;
    --ns-border: #eeeeee;
}

body {
    font-family: 'Lato', sans-serif !important;
    color: var(--ns-text-grey);
    line-height: 1.6;
}

/* --- Headings --- */
h1, h2, h3, h4, h5, h6,
.wp-block-heading {
    font-family: 'Playfair Display', serif !important;
    color: var(--ns-text-dark);
}

/* --- Sticky Header --- */
.ns-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--ns-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 15px 0;
}

.ns-header .wp-block-site-title,
.ns-header .wp-block-site-title a {
    font-family: 'Playfair Display', serif !important;
    font-weight: 700;
    font-size: 1.2rem !important;
    color: var(--ns-text-dark) !important;
    text-decoration: none !important;
}

.ns-header .wp-block-navigation a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--ns-text-dark);
    text-decoration: none;
}

.ns-header .wp-block-navigation a:hover {
    color: var(--ns-navy);
}

/* --- Hero Section --- */
.ns-hero {
    padding: 80px 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.ns-hero h1 {
    font-size: 3.5rem !important;
    line-height: 1.1 !important;
    margin-bottom: 20px;
}

.ns-hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 450px;
    color: var(--ns-text-grey);
}

/* --- Bio Section --- */
.ns-bio {
    padding: 80px 0;
    text-align: center;
}

.ns-bio h2 {
    font-size: 2.5rem !important;
    margin-bottom: 40px;
}

.ns-bio-image img {
    width: 250px;
    height: 300px;
    object-fit: cover;
    margin: 0 auto 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.ns-bio-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    font-size: 1.05rem;
}

.ns-bio-text p {
    margin-bottom: 20px;
}

/* --- Expertise Cards --- */
.ns-expert-card {
    border: 1px solid var(--ns-border);
    padding: 25px;
    border-radius: 8px;
    transition: 0.3s;
}

.ns-expert-card:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.ns-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    background: #eee;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 10px;
    font-weight: 700;
    color: #666;
}

.ns-expert-card h3 {
    font-family: 'Lato', sans-serif !important;
    font-weight: 700 !important;
    font-size: 1.2rem !important;
    margin-bottom: 10px;
}

.ns-expert-card p {
    font-size: 0.9rem;
    color: var(--ns-card-text);
}

/* --- Publications --- */
.ns-pubs h3 {
    font-family: 'Lato', sans-serif !important;
    font-weight: 700 !important;
    font-size: 1.1rem !important;
    margin-top: 20px;
}

.ns-pubs ul {
    margin-left: 20px;
    margin-bottom: 30px;
}

.ns-pubs li {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

/* --- Stats Section --- */
.ns-stats {
    padding: 60px 0;
    text-align: center;
}

.ns-stat-number {
    font-size: 3rem !important;
    font-family: 'Playfair Display', serif !important;
    color: var(--ns-text-dark) !important;
    margin-bottom: 5px !important;
    line-height: 1.2 !important;
}

.ns-stat-label {
    text-transform: uppercase;
    font-size: 0.8rem !important;
    letter-spacing: 1px;
    color: var(--ns-muted) !important;
    font-weight: 700;
}

/* --- Contact Section --- */
.ns-contact {
    padding: 80px 0;
}

.ns-contact-header {
    text-align: center;
    margin-bottom: 60px;
}

.ns-contact-header h2 {
    font-size: 2.5rem !important;
}

.ns-form-box,
.ns-info-box {
    background: var(--ns-white);
    border: 1px solid var(--ns-border);
    padding: 40px;
    border-radius: 8px;
}

.ns-form-box label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    font-size: 0.9rem;
}

.ns-form-box input,
.ns-form-box textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Lato', sans-serif;
    margin-bottom: 20px;
}

.ns-form-box textarea {
    height: 120px;
    resize: vertical;
}

/* --- Footer --- */
.ns-footer {
    background: var(--ns-footer-dark) !important;
    color: var(--ns-muted);
    padding: 60px 0 20px;
    font-size: 0.9rem;
}

.ns-footer h3,
.ns-footer h4 {
    color: var(--ns-white) !important;
}

.ns-footer h4 {
    font-family: 'Lato', sans-serif !important;
    font-weight: 700 !important;
    margin-bottom: 20px;
}

.ns-footer a {
    color: var(--ns-muted) !important;
    text-decoration: none;
}

.ns-footer a:hover {
    color: var(--ns-white) !important;
}

.ns-footer-bottom {
    border-top: 1px solid #222;
    padding-top: 20px;
    margin-top: 40px;
}

/* --- Buttons --- */
.wp-block-button.ns-btn .wp-block-button__link,
.ns-btn-link {
    background-color: var(--ns-navy) !important;
    color: var(--ns-white) !important;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-block;
    transition: opacity 0.3s;
}

.wp-block-button.ns-btn .wp-block-button__link:hover,
.ns-btn-link:hover {
    opacity: 0.9;
}

/* --- Navigation CTA Button --- */
.ns-nav-cta .wp-block-button__link {
    background-color: var(--ns-navy) !important;
    color: var(--ns-white) !important;
    padding: 10px 20px !important;
    border-radius: 4px !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .ns-hero h1 {
        font-size: 2.5rem !important;
    }
    .ns-hero {
        padding: 40px 0;
        text-align: center;
    }
    .ns-hero p {
        margin: 0 auto 30px;
    }
}

/* --- Mobile Navigation --- */

/* Hamburger open button */
.wp-block-navigation__responsive-container-open {
    color: var(--ns-text-dark) !important;
    background: transparent !important;
    border: none !important;
    padding: 4px !important;
    cursor: pointer;
}

.wp-block-navigation__responsive-container-open svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* Close button inside overlay */
.wp-block-navigation__responsive-container-close {
    color: var(--ns-text-dark) !important;
    background: transparent !important;
    border: none !important;
}

/* Mobile overlay panel */
.wp-block-navigation__responsive-container.is-menu-open {
    background: var(--ns-white) !important;
    padding: 30px 24px !important;
}

.wp-block-navigation__responsive-container.is-menu-open
.wp-block-navigation__container {
    gap: 28px !important;
    align-items: flex-start !important;
}

.wp-block-navigation__responsive-container.is-menu-open
.wp-block-navigation-item__content {
    font-size: 1.15rem !important;
    color: var(--ns-text-dark) !important;
    font-weight: 500 !important;
    font-family: 'Lato', sans-serif !important;
    text-decoration: none !important;
}

/* Mobile header layout */
@media (max-width: 600px) {
    /* Hide inline nav links — hamburger overlay takes over */
    /* Use > (direct child) so the overlay's inner container is NOT hidden */
    .ns-header .wp-block-navigation > .wp-block-navigation__container {
        display: none !important;
    }

    /* Show hamburger button */
    .ns-header .wp-block-navigation__responsive-container-open {
        display: flex !important;
    }

    /* Hide CTA button — too cramped on mobile */
    .ns-nav-cta {
        display: none !important;
    }

    /* Tighten header padding on small screens */
    .ns-header .wp-block-group[style*="padding-left"] {
        padding-left: 16px !important;
        padding-right: 16px !important;
    }
}

/* --- SMOOTH SCROLL --- */
html {
    scroll-behavior: smooth;
}

/* Offset for sticky header on anchor targets */
#hero, #about, #expertise, #stats, #contact {
    scroll-margin-top: 80px;
}

/* ========================
   Fluent Forms Styling
   ======================== */

/* Field groups */
.ns-form-box .ff-el-group,
.ns-form-box .ff-el-input-inner,
.ns-form-box form > div {
    margin-bottom: 18px;
}

/* Labels */
.ns-form-box .ff-el-inp-label,
.ns-form-box form label {
    display: block !important;
    margin-bottom: 6px !important;
    font-weight: 700 !important;
    font-size: 0.875rem !important;
    font-family: 'Lato', sans-serif !important;
    color: var(--ns-text-dark) !important;
}

/* Inputs & Textareas — override Fluent Forms defaults */
.ns-form-box .ff-el-form-control,
.ns-form-box input[type="text"],
.ns-form-box input[type="email"],
.ns-form-box input[type="tel"],
.ns-form-box textarea {
    width: 100% !important;
    padding: 11px 14px !important;
    border: 1px solid #ddd !important;
    border-radius: 4px !important;
    font-family: 'Lato', sans-serif !important;
    font-size: 0.95rem !important;
    color: var(--ns-text-dark) !important;
    background: #fff !important;
    box-shadow: none !important;
    outline: none !important;
    transition: border-color 0.2s ease !important;
    margin-bottom: 0 !important;
    -webkit-appearance: none;
    appearance: none;
}

.ns-form-box .ff-el-form-control:focus,
.ns-form-box input[type="text"]:focus,
.ns-form-box input[type="email"]:focus,
.ns-form-box textarea:focus {
    border-color: var(--ns-navy) !important;
    box-shadow: 0 0 0 3px rgba(27, 38, 59, 0.08) !important;
    outline: none !important;
}

/* Textarea height */
.ns-form-box textarea,
.ns-form-box .ff-el-form-control[rows] {
    height: 120px !important;
    resize: vertical !important;
}

/* Submit button wrapper */
.ns-form-box .ff_submit_btn_wrapper,
.ns-form-box .ff-btn-container {
    margin-top: 8px;
}

/* Submit button */
.ns-form-box .ff-btn-submit,
.ns-form-box .ns-submit-btn,
.ns-form-box button[type="submit"] {
    background-color: var(--ns-navy) !important;
    color: var(--ns-white) !important;
    border: none !important;
    padding: 13px 28px !important;
    border-radius: 4px !important;
    font-family: 'Lato', sans-serif !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    width: 100% !important;
    display: block !important;
    text-align: center !important;
    letter-spacing: 0.3px !important;
    transition: opacity 0.25s ease !important;
    box-shadow: none !important;
}

.ns-form-box .ff-btn-submit:hover,
.ns-form-box .ns-submit-btn:hover,
.ns-form-box button[type="submit"]:hover {
    opacity: 0.88 !important;
    background-color: var(--ns-navy) !important;
}

/* Required asterisk */
.ns-form-box .ff-el-is-required,
.ns-form-box .req-text {
    color: #c0392b;
    font-weight: 700;
}

/* Validation error messages */
.ns-form-box .ff-el-form-check-label.error,
.ns-form-box label.error,
.ns-form-box .ff_upload_error {
    color: #c0392b !important;
    font-size: 0.82rem !important;
    font-weight: 500 !important;
    margin-top: 4px !important;
    display: block !important;
}

/* Success message */
.ns-form-box .ff-message-success {
    color: #1e7d42;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px;
    background: #eafaf1;
    border-radius: 4px;
    border: 1px solid #a9dfbf;
    margin-top: 10px;
}

/* Remove Fluent Forms default focus ring */
.ns-form-box .ff-el-form-control:focus-visible {
    outline: none !important;
}