/* ============================================================
   MyDataScraper — Global Header & Mega Navigation
   Light theme, enterprise SaaS
   ============================================================ */

:root {
    --mds-blue:        #2563EB;
    --mds-blue-hover:  #1D4ED8;
    --mds-navy:        #0F172A;
    --mds-cyan:        #06B6D4;
    --mds-orange:      #F59E0B;
    --mds-white:       #FFFFFF;
    --mds-bg:          #F8FAFC;
    --mds-gray-50:     #F1F5F9;
    --mds-border:      #E2E8F0;
    --mds-text:        #475569;
    --mds-muted:       #64748B;
    --mds-header-h:    80px;
    --mds-radius:      14px;
    --mds-shadow:      0 12px 32px -12px rgba(15, 23, 42, 0.14),
                       0 4px 12px -6px rgba(15, 23, 42, 0.06);
    --mds-transition:  180ms ease;
}

/* ---------- Header shell ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--mds-white);
    border-bottom: 1px solid var(--mds-border);
    transition: box-shadow var(--mds-transition),
                background var(--mds-transition);
    /* anchor offset for in-page jumps */
    scroll-margin-top: var(--mds-header-h);
}

.site-header.is-stuck {
    box-shadow: 0 4px 16px -6px rgba(15, 23, 42, 0.10);
}

.mds-container {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-header .nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    height: var(--mds-header-h);
    transition: height var(--mds-transition);
}

.site-header.is-stuck .nav {
    height: 68px;
}

/* ---------- Branding ---------- */
.site-branding {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    line-height: 0;
}
.site-branding img,
.site-branding .custom-logo {
    display: block;
    max-height: 44px;
    width: auto;
    height: auto;
}

/* ---------- Desktop navigation ---------- */
.mds-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
}

.mds-nav-list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.mds-nav-item {
    position: relative;
}

/* Trigger + plain link share visual style */
.mds-nav-trigger,
.mds-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.55rem 0.9rem;
    border-radius: 10px;
    border: 0;
    background: transparent;
    color: var(--mds-navy);
    font: inherit;
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: -0.005em;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--mds-transition),
                color var(--mds-transition);
}

.mds-nav-trigger:hover,
.mds-nav-link:hover,
.mds-nav-trigger[aria-expanded="true"] {
    background: var(--mds-gray-50);
    color: var(--mds-blue);
}

.mds-nav-item.has-mega.is-open > .mds-nav-trigger {
    background: var(--mds-gray-50);
    color: var(--mds-blue);
}

.mds-chev {
    transition: transform var(--mds-transition);
    flex-shrink: 0;
}
.mds-nav-trigger[aria-expanded="true"] .mds-chev {
    transform: rotate(180deg);
}

/* Focus rings */
.mds-nav-trigger:focus-visible,
.mds-nav-link:focus-visible,
.mds-mega a:focus-visible,
.mds-drawer button:focus-visible,
.mds-drawer a:focus-visible,
.acts .btn:focus-visible,
.burger:focus-visible {
    outline: 2px solid var(--mds-blue);
    outline-offset: 2px;
    border-radius: 8px;
}

/* ---------- Mega menu ---------- */
.mds-mega {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    width: min(960px, calc(100vw - 3rem));
    background: var(--mds-white);
    border: 1px solid var(--mds-border);
    border-radius: var(--mds-radius);
    box-shadow: var(--mds-shadow);
    opacity: 0;
    visibility: hidden;
    transition: opacity 140ms ease, transform 140ms ease, visibility 140ms;
    z-index: 60;
}

.mds-mega[hidden] { display: none; }

.mds-nav-item.is-open > .mds-mega {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Small right-shift for menus that would overflow on narrow desktops */
.mds-nav-item:last-child > .mds-mega,
.mds-nav-item:nth-last-child(2) > .mds-mega {
    left: auto;
    right: 0;
    transform: translateY(-4px);
}
.mds-nav-item:last-child.is-open > .mds-mega,
.mds-nav-item:nth-last-child(2).is-open > .mds-mega {
    transform: translateY(0);
}

.mds-mega-inner {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 1.5rem;
    padding: 1.75rem;
}

/* Menus without a featured panel get full-width columns */
.mds-mega-inner:not(:has(.mds-mega-feature)) {
    grid-template-columns: 1fr;
}

.mds-mega-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.75rem 2rem;
}

.mds-mega-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.mds-mega-title {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mds-muted);
    margin: 0 0 0.6rem;
}

.mds-mega-col a {
    display: block;
    padding: 0.4rem 0.5rem;
    margin: 0 -0.5rem;
    border-radius: 8px;
    color: var(--mds-text);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    transition: background var(--mds-transition),
                color var(--mds-transition);
}
.mds-mega-col a:hover {
    background: var(--mds-gray-50);
    color: var(--mds-blue);
}

.mds-link-desc {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--mds-muted);
    margin-top: 2px;
}

/* Featured panel */
.mds-mega-feature {
    background: var(--mds-bg);
    border: 1px solid var(--mds-border);
    border-radius: 12px;
    padding: 1.25rem 1.25rem 1.35rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-self: start;
}

.mds-feature-eyebrow {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mds-cyan);
    margin: 0;
}

.mds-feature-title {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--mds-navy);
    margin: 0;
    line-height: 1.3;
}

.mds-feature-desc {
    font-size: 0.82rem;
    color: var(--mds-text);
    line-height: 1.5;
    margin: 0 0 0.4rem;
}

.mds-feature-link {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--mds-blue);
    text-decoration: none;
    margin-top: auto;
}
.mds-feature-link:hover { color: var(--mds-blue-hover); }

.mds-feature-secondary {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--mds-orange);
    text-decoration: none;
}
.mds-feature-secondary:hover { text-decoration: underline; }

/* ---------- Right-side actions ---------- */
.acts {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}

.acts .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    transition: all var(--mds-transition);
    white-space: nowrap;
}

.acts .btn.s {
    background: var(--mds-white);
    color: var(--mds-navy);
    border: 1.5px solid var(--mds-border);
}
.acts .btn.s:hover {
    border-color: var(--mds-blue);
    color: var(--mds-blue);
    background: var(--mds-gray-50);
}

.acts .btn.p {
    background: var(--mds-blue);
    color: var(--mds-white);
    border: 1.5px solid var(--mds-blue);
}
.acts .btn.p:hover {
    background: var(--mds-blue-hover);
    border-color: var(--mds-blue-hover);
    box-shadow: 0 6px 16px -6px rgba(37, 99, 235, 0.5);
}

/* ---------- Burger (mobile only) ---------- */
.burger {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--mds-border);
    background: var(--mds-white);
    color: var(--mds-navy);
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color var(--mds-transition), background var(--mds-transition);
}
.burger:hover {
    border-color: var(--mds-blue);
    color: var(--mds-blue);
}

/* ---------- Mobile drawer ---------- */
.mds-drawer {
    position: fixed;
    inset: 0;
    z-index: 1100;
}
.mds-drawer[hidden] { display: none; }

.mds-drawer-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    transition: opacity 220ms ease;
}

.mds-drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(420px, 92vw);
    background: var(--mds-white);
    display: flex;
    flex-direction: column;
    box-shadow: -20px 0 40px -20px rgba(15, 23, 42, 0.25);
    transform: translateX(100%);
    transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.mds-drawer.is-open .mds-drawer-backdrop { opacity: 1; }
.mds-drawer.is-open .mds-drawer-panel   { transform: translateX(0); }

.mds-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--mds-border);
    flex-shrink: 0;
}

.mds-drawer-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--mds-navy);
}

.mds-drawer-close {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--mds-border);
    background: var(--mds-white);
    color: var(--mds-navy);
    cursor: pointer;
}
.mds-drawer-close:hover {
    border-color: var(--mds-blue);
    color: var(--mds-blue);
}

.mds-drawer-body {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.75rem 0.75rem 1.5rem;
    -webkit-overflow-scrolling: touch;
}

.mds-mobile-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mds-mobile-item { border-bottom: 1px solid var(--mds-gray-50); }
.mds-mobile-item:last-child { border-bottom: 0; }

.mds-mobile-acc,
.mds-mobile-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.95rem 0.6rem;
    background: transparent;
    border: 0;
    color: var(--mds-navy);
    font: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    text-decoration: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background var(--mds-transition), color var(--mds-transition);
}
.mds-mobile-acc:hover,
.mds-mobile-link:hover,
.mds-mobile-acc[aria-expanded="true"] {
    background: var(--mds-gray-50);
    color: var(--mds-blue);
}

.mds-mobile-acc svg {
    transition: transform var(--mds-transition);
    flex-shrink: 0;
}
.mds-mobile-acc[aria-expanded="true"] svg { transform: rotate(180deg); }

.mds-mobile-sub {
    padding: 0.25rem 0.6rem 1rem;
    animation: mdsSlideIn 180ms ease;
}

@keyframes mdsSlideIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.mds-mobile-overview {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--mds-blue);
    text-decoration: none;
    padding: 0.35rem 0;
    margin-bottom: 0.35rem;
}
.mds-mobile-overview:hover { color: var(--mds-blue-hover); }

.mds-mobile-group {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mds-muted);
    margin: 0.75rem 0 0.35rem;
}

.mds-mobile-sublinks {
    list-style: none;
    margin: 0;
    padding: 0;
}
.mds-mobile-sublinks a {
    display: block;
    padding: 0.45rem 0.4rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--mds-text);
    text-decoration: none;
    border-radius: 6px;
    transition: background var(--mds-transition), color var(--mds-transition);
}
.mds-mobile-sublinks a:hover {
    background: var(--mds-gray-50);
    color: var(--mds-blue);
}

.mds-drawer-ctas {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1.25rem;
    padding-top: 1.15rem;
    border-top: 1px solid var(--mds-border);
}
.mds-drawer-ctas .btn { width: 100%; }

/* ---------- Responsive breakpoints ---------- */
@media (max-width: 1100px) {
    .mds-nav-trigger,
    .mds-nav-link { padding: 0.5rem 0.65rem; font-size: 0.88rem; }
    .acts .btn.s { display: none; } /* keep only primary CTA on tight desktop */
}

@media (max-width: 980px) {
    .mds-nav,
    .acts { display: none; }
    .burger { display: inline-flex; margin-left: auto; }
    .site-header .nav { gap: 0; }
    .site-header.is-stuck .nav { height: 64px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
    .mds-drawer-panel { transition: none; }
    .mds-mega { transition: opacity 0.01ms, visibility 0.01ms; }
}

/* ---------- Body scroll lock when drawer open ---------- */
body.mds-lock {
    overflow: hidden;
}

/* ---------- Skip link ---------- */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    padding: 0.6rem 1rem;
    background: var(--mds-blue);
    color: var(--mds-white);
    z-index: 2000;
    border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }