/* ═════════════════════════════════════════════
   HEADER V2 — Smart Scroll-Responsive B2B Header
   VogiaTech — Inspired by Stripe / Vercel / Linear
   ═════════════════════════════════════════════ */

/* ── Tokens ── */
:root {
    --hv2-font: 'Be Vietnam Pro', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --hv2-topbar-bg: #F9FAFB;
    --hv2-topbar-text: #6B7280;
    --hv2-topbar-h: 28px;
    --hv2-nav-h: 64px;
    --hv2-nav-h-scrolled: 56px;
    --hv2-bg: #FFFFFF;
    --hv2-text: #111827;
    --hv2-text-sub: #6B7280;
    --hv2-primary: #0A84FF;
    --hv2-primary-dark: #0066CC;
    --hv2-gradient: linear-gradient(135deg, #0A84FF, #6366F1);
    --hv2-border: #E5E7EB;
    --hv2-shadow: 0 4px 20px rgba(0,0,0,0.05);
    --hv2-radius: 12px;
    --hv2-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --hv2-container-w: 1200px;
}

/* Dark mode tokens removed — light theme only */

/* ── Hide old header elements entirely ── */
.main-header .top-bar,
.main-header .middle-bar,
.main-header .bottom-bar,
.mobile-header-bar {
    display: none !important;
}

/* ── Container ── */
.hv2-container {
    max-width: var(--hv2-container-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* ══════════════════════════════════════
   HEADER WRAPPER
   ══════════════════════════════════════ */
.hv2 {
    position: sticky;
    top: 0;
    z-index: 1000;
    font-family: var(--hv2-font);
    transition: all var(--hv2-transition);
}

/* ══════════════════════════════════════
   TOPBAR
   ══════════════════════════════════════ */
.hv2-topbar {
    background: var(--hv2-topbar-bg);
    height: var(--hv2-topbar-h);
    border-bottom: 1px solid var(--hv2-border);
    overflow: hidden;
    transition: height var(--hv2-transition), opacity var(--hv2-transition), transform var(--hv2-transition);
    opacity: 1;
    transform: translateY(0);
}

.hv2.scrolled .hv2-topbar {
    height: 0;
    opacity: 0;
    transform: translateY(-100%);
    border-bottom: none;
}

.hv2-topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--hv2-topbar-h);
}

.hv2-company {
    font-size: 11px;
    color: var(--hv2-topbar-text);
    font-weight: 500;
    white-space: nowrap;
}

.hv2-topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hv2-topbar-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--hv2-topbar-text);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--hv2-transition);
    white-space: nowrap;
}

.hv2-topbar-link:hover {
    color: var(--hv2-primary);
}

.hv2-topbar-link svg {
    opacity: 0.7;
    flex-shrink: 0;
}

.hv2-topbar-sep {
    color: var(--hv2-border);
    font-size: 12px;
    user-select: none;
}

/* ── User dropdown in topbar ── */
.hv2-user-wrap {
    position: relative;
}

.hv2-user-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    padding: 0;
}

.hv2-user-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    background: var(--hv2-bg);
    border: 1px solid var(--hv2-border);
    border-radius: var(--hv2-radius);
    box-shadow: var(--hv2-shadow);
    min-width: 220px;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--hv2-transition);
}

.hv2-user-wrap.open .hv2-user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.hv2-user-dropdown-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
}

.hv2-user-avatar {
    width: 32px;
    height: 32px;
    background: var(--hv2-gradient);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.hv2-user-name {
    font-weight: 600;
    font-size: 13px;
    color: var(--hv2-text);
}

.hv2-user-email {
    font-size: 11px;
    color: var(--hv2-text-sub);
}

.hv2-user-divider {
    height: 1px;
    background: var(--hv2-border);
    margin: 4px 0;
}

.hv2-user-item {
    display: block;
    padding: 10px 16px;
    font-size: 13px;
    color: var(--hv2-text);
    text-decoration: none;
    transition: background var(--hv2-transition);
}

.hv2-user-item:hover {
    background: rgba(10, 132, 255, 0.06);
    color: var(--hv2-primary);
}

.hv2-user-logout {
    color: #EF4444;
}

.hv2-user-logout:hover {
    background: rgba(239, 68, 68, 0.06);
    color: #DC2626;
}

/* ══════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════ */
.hv2-navbar {
    background: var(--hv2-bg);
    height: var(--hv2-nav-h);
    transition: all var(--hv2-transition);
    border-bottom: 1px solid transparent;
    display: flex;
    align-items: center;
}

/* navbar container must stretch full width inside flex parent */
.hv2-navbar > .hv2-container {
    width: 100%;
}

.hv2.scrolled .hv2-navbar {
    background: #FFFFFF;
    height: var(--hv2-nav-h-scrolled);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
    border-bottom-color: rgba(229, 231, 235, 0.4);
}

/* dark scroll override removed */

.hv2-navbar-inner {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    gap: 32px;
}

/* ── Logo ── */
.hv2-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform var(--hv2-transition);
}

.hv2-logo img {
    height: 40px;
    width: auto;
    display: block;
    transition: height var(--hv2-transition);
}

.hv2.scrolled .hv2-logo img {
    height: 36px;
}

/* ══════════════════════════════════════
   DESKTOP MENU
   ══════════════════════════════════════ */
.hv2-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.hv2-menu-item {
    position: relative;
}

.hv2-menu-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    font-size: 14.5px;
    font-weight: 500;
    color: var(--hv2-text);
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--hv2-transition);
    position: relative;
    white-space: nowrap;
}

/* Hover underline animation */
.hv2-menu-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--hv2-gradient);
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--hv2-transition);
}

.hv2-menu-link:hover::after,
.hv2-menu-link.active::after {
    transform: scaleX(1);
}

.hv2-menu-link:hover {
    color: var(--hv2-primary);
}

.hv2-menu-link.active {
    color: var(--hv2-primary);
    font-weight: 600;
}

.hv2-chevron {
    transition: transform var(--hv2-transition);
    opacity: 0.6;
    flex-shrink: 0;
}

.hv2-has-mega:hover .hv2-chevron {
    transform: rotate(180deg);
    opacity: 1;
}

/* ══════════════════════════════════════
   MEGA MENU
   ══════════════════════════════════════ */
.hv2-mega {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--hv2-bg);
    border: 1px solid var(--hv2-border);
    border-radius: var(--hv2-radius);
    box-shadow: 0 16px 48px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.04);
    min-width: 560px;
    z-index: 2001;
    opacity: 0;
    visibility: hidden;
    transition: all var(--hv2-transition);
    pointer-events: none;
}

.hv2-has-mega:hover .hv2-mega {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

/* Invisible bridge to prevent gap hover-loss */
.hv2-mega::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
}

.hv2-mega-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 8px 0;
}

.hv2-mega-group {
    padding: 16px 20px;
}

.hv2-mega-group:first-child {
    border-right: 1px solid var(--hv2-border);
}

.hv2-mega-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--hv2-text-sub);
    margin: 0 0 12px 0;
    padding: 0 12px;
}

.hv2-mega-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.hv2-mega-link {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--hv2-text);
    transition: all var(--hv2-transition);
}

.hv2-mega-link:hover {
    background: rgba(10, 132, 255, 0.06);
}

.hv2-mega-link svg {
    color: var(--hv2-primary);
    flex-shrink: 0;
    margin-top: 2px;
    opacity: 0.7;
    transition: opacity var(--hv2-transition);
}

.hv2-mega-link:hover svg {
    opacity: 1;
}

.hv2-mega-link strong {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--hv2-text);
    margin-bottom: 2px;
}

.hv2-mega-link span {
    display: block;
    font-size: 12px;
    color: var(--hv2-text-sub);
    line-height: 1.4;
}

/* ══════════════════════════════════════
   RIGHT ACTIONS (dark mode & CTA removed)
   ══════════════════════════════════════ */
.hv2-actions {
    display: none;
}

/* ══════════════════════════════════════
   HAMBURGER (mobile)
   ══════════════════════════════════════ */
.hv2-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border: 1px solid var(--hv2-border);
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
    transition: all var(--hv2-transition);
}

.hv2-hamburger:hover {
    border-color: var(--hv2-primary);
}

.hv2-hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--hv2-text);
    border-radius: 1px;
    transition: all var(--hv2-transition);
    transform-origin: center;
}

.hv2-hamburger.open .hv2-hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hv2-hamburger.open .hv2-hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hv2-hamburger.open .hv2-hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ══════════════════════════════════════
   MOBILE OVERLAY — Slide from Right
   ══════════════════════════════════════ */
.hv2-mobile-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--hv2-transition);
    overflow: hidden;
}

.hv2-mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

.hv2-mobile-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 85vw;
    height: 100%;
    background: var(--hv2-bg);
    box-shadow: -8px 0 32px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--hv2-transition);
    overflow-y: auto;
}

.hv2-mobile-overlay.active .hv2-mobile-panel {
    transform: translateX(0);
}

.hv2-mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--hv2-border);
}

.hv2-mobile-logo-img {
    height: 36px;
    width: auto;
}

.hv2-mobile-close {
    width: 36px;
    height: 36px;
    border: 1px solid var(--hv2-border);
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hv2-text-sub);
    transition: all var(--hv2-transition);
}

.hv2-mobile-close:hover {
    border-color: #EF4444;
    color: #EF4444;
}

.hv2-mobile-nav {
    flex: 1;
    padding: 12px 0;
}

.hv2-mobile-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.hv2-mobile-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--hv2-text);
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--hv2-font);
    transition: all var(--hv2-transition);
    text-align: left;
}

.hv2-mobile-link:hover {
    background: rgba(10, 132, 255, 0.06);
    color: var(--hv2-primary);
}

.hv2-dd-arrow {
    transition: transform var(--hv2-transition);
    opacity: 0.5;
}

.hv2-mobile-dropdown.open .hv2-dd-arrow {
    transform: rotate(180deg);
    opacity: 1;
}

.hv2-mobile-dd-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    background: rgba(0,0,0,0.02);
}

/* dark mobile dd list removed */

.hv2-mobile-dropdown.open .hv2-mobile-dd-list {
    max-height: 500px;
}

.hv2-mobile-dd-title {
    display: block;
    padding: 12px 36px 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--hv2-text-sub);
}

.hv2-mobile-dd-link {
    display: block;
    padding: 10px 36px 10px 48px;
    font-size: 14px;
    color: var(--hv2-text);
    text-decoration: none;
    transition: all var(--hv2-transition);
}

.hv2-mobile-dd-link:hover {
    color: var(--hv2-primary);
    padding-left: 52px;
}

/* Mobile footer */
.hv2-mobile-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--hv2-border);
}

.hv2-mobile-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hv2-mobile-contact a {
    font-size: 13px;
    color: var(--hv2-text-sub);
    text-decoration: none;
}

.hv2-mobile-contact a:hover {
    color: var(--hv2-primary);
}

/* Dark mode overrides removed — light theme only */

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 1024px) {
    .hv2-menu {
        display: none;
    }
    .hv2-hamburger {
        display: flex;
    }
    .hv2-navbar-inner {
        gap: 16px;
        justify-content: space-between;
    }
    .hv2-topbar {
        display: none;
    }
    .hv2-navbar {
        height: 56px;
    }
    .hv2.scrolled .hv2-navbar {
        height: 50px;
    }
    .hv2-logo img {
        height: 40px;
    }
    .hv2.scrolled .hv2-logo img {
        height: 36px;
    }
}

@media (max-width: 480px) {
    .hv2-mobile-panel {
        width: 65%;
        max-width: 65vw;
    }
}

/* ══════════════════════════════════════
   SCROLL PROGRESS BAR
   ══════════════════════════════════════ */
.scroll-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: transparent;
    z-index: 1001;
}

.progress-bar {
    height: 100%;
    background: var(--hv2-gradient);
    width: 0;
    transition: width 0.1s linear;
}

/* ══════════════════════════════════════
   REDUCED MOTION
   ══════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    .hv2, .hv2 *, .hv2 *::before, .hv2 *::after {
        transition-duration: 0.01ms !important;
    }
}