/* 4. HEADER E NAVEGAÇÃO */

.site-header {
    background-color: var(--white);
    padding: 15px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid var(--gray);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.robot-category h4{
    padding: 10px 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: 20px;
}

.logo {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.tagline {
    font-size: 18px;
    line-height: 1.4;
    letter-spacing: 0.02em;
    font-family: var(--font-special);
    color: var(--primary);
    font-weight: 600;
    white-space: nowrap;
    margin-left: 20px;
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 8px;
}

nav ul a {
    font-size: 16px;
    color: var(--primary);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: block;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--accent);
    background-color: rgba(0, 169, 165, 0.08);
}

.demo-btn {
    font-size: 16px !important;
    font-weight: 700 !important;
    background-color: var(--turquoise) !important;
    color: var(--white) !important;
    border: none !important;
    padding: 12px 28px !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 12px rgba(0, 194, 189, 0.3) !important;
    transition: all 0.3s ease;
}

.demo-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 194, 189, 0.4);
}

/* Contêiner principal do dropdown (<li>) */
.dropdown {
    position: relative;
}

/* O menu que aparece (1º nível) */
.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--white);
    min-width: 200px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 1;
    border-radius: 12px;
    border: 1px solid var(--gray);
    top: 100%;
    left: 0;
    padding-top: 8px;
    padding-bottom: 8px;
    padding-left: 0px;
    padding-right: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.dropdown:hover>.dropdown-content {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    padding: 12px 16px;
    border-radius: 6px;
    font-weight: 500;
}

/* Item de categoria no menu avançado */
.category-item {
    position: relative;
    cursor: pointer;
    font-weight: 500;
    color: var(--primary);
    transition: background-color 0.2s ease, color 0.2s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-item:hover {
    background-color: var(--light-gray);
    color: var(--secondary);
}

.category-item {
    position: relative;
    padding: 12px 16px 12px 24px;
    cursor: pointer;
    font-weight: 500;
    color: black;
    transition: background-color 0.2s ease, color 0.2s ease;
    display: flex;
    align-items: center;
}

.category-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 50%;
    background-color: var(--gray);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.category-item:hover::before {
    background-color: var(--secondary);
    height: 80%;
}

/* Submenu dos robôs (2º nível) */
.robot-submenu {
    display: none;
    position: absolute;
    left: 100%;
    top: -8px;
    background-color: var(--white);
    min-width: 300px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    border: 1px solid var(--gray);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.category-item:hover>.robot-submenu {
    display: flex;
    flex-direction: column;
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.robot-link {
    justify-content: flex-start;
    display: flex !important;
    align-items: center;
    gap: 15px;
    padding: 10px 10px 10px 15px !important;
    border-radius: 6px;
    transition: background-color 0.2s ease, color 0.2s ease;
    color: var(--primary);
}

.robot-link:hover {
    border: 1px solid var(--turquoise);
    background-color: rgba(0, 169, 165, 0.08);
    color: var(--secondary);
}

.robot-thumb {
    width: 50px;
    height: 50px;
    object-fit: contain;
    flex-shrink: 0;
}

.robot-title {
    font-weight: 600;
    display: flex;
    align-items: center;
}

/* Coming soon item styling - left aligned like robot-link */
.coming-soon-item {
    justify-content: flex-start;
    display: flex !important;
    align-items: center;
    gap: 15px;
    padding: 10px 10px 10px 15px !important;
    border-radius: 6px;
    transition: background-color 0.2s ease, color 0.2s ease;
    color: var(--primary);
    cursor: default;
}

.coming-soon-item:hover {
    border: 1px solid var(--turquoise);
    background-color: rgba(0, 169, 165, 0.08);
    color: var(--secondary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-10px,10px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px,-6px);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--white);
    z-index: 1000;
    padding-top: 100px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.mobile-nav.active {
    display: block;
    transform: translateX(0);
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.mobile-nav ul li {
    width: 100%;
    text-align: center;
}

.mobile-nav ul li a {
    display: block;
    padding: 15px 20px;
    color: var(--primary);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    border-bottom: 1px solid var(--gray);
    transition: all 0.3s ease;
}

.mobile-nav ul li a:hover {
    background-color: var(--light);
    color: var(--accent);
}

.mobile-demo-btn {
    background-color: var(--turquoise) !important;
    color: var(--white) !important;
    border-radius: 25px !important;
    border-bottom: none !important;
    margin: 20px !important;
}

.mobile-demo-btn:hover {
    background-color: var(--secondary) !important;
}

.navbar-mobile {
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;
}

.dropdown .dropdown-content {
    display: none;
}

.dropdown.open .dropdown-content {
    display: block;
}

/* Media Queries - Consolidated */

@media screen and (max-width: 600px) {
    .footer-support > div {
        flex-direction: column;
    }
}

@media (max-width: 900px) {
    nav {
        display: none;
    }

    nav ul li {
        margin-left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 0;
    }

    .logo {
        height: 50px;
    }

    .tagline {
        font-size: 14px;
        margin-left: 10px;
    }

    .dropdown:hover .dropdown-content {
        display: block;
        animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    body.mobile-menu-open {
        overflow: hidden;
    }

    .reverse-on-mobile {
        display: flex !important;
        flex-direction: column;
        gap: 24px;
    }

    .reverse-on-mobile .video-container {
        order: -1;
    }

    .mobile-menu-toggle {
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background: none;
        border: none;
        z-index: 1001;
        margin-right: 10px;
    }

    .mobile-menu-toggle span {
        width: 24px;
        height: 3px;
        background-color: #1e3a5f;
        margin: 4px 0;
        border-radius: 2px;
    }

    .mobile-nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        background: white;
        width: 100%;
        height: 100%;
        padding-top: 100px;
        z-index: 1000;
        overflow: auto;
    }

    .navbar-mobile {
        display: flex;
        flex-direction: row-reverse;
        justify-content: space-between;
    }

    .mobile-nav.active {
        display: block;
    }

    .mobile-nav ul {
        list-style: none;
        text-align: center;
        padding: 0;
    }

    .mobile-nav ul li a {
        font-size: 20px;
        color: #1e3a5f;
        text-decoration: none;
    }

    .mobile-demo-btn {
        background: #00c2bd;
        color: white !important;
        padding: 12px 24px;
        border-radius: 24px;
        display: inline-block;
        margin: 0 !important;
    }

    .mobile-nav .dropdown {
        position: relative;
    }

    .mobile-nav .dropdown-content {
        display: none;
        position: static;
        background: #f5f7fa;
        width: 100%;
        box-shadow: none;
        border-radius: 0;
        padding: 0;
        margin: 0;
        border-left: 4px solid var(--turquoise);
    }

    .mobile-nav .dropdown.open .dropdown-content {
        display: block !important;
    }

    .mobile-nav .dropdown-content a {
        display: block;
        padding: 16px 32px;
        color: var(--primary);
        font-size: 17px;
        border-bottom: 1px solid var(--gray);
        background: none;
        font-weight: 500;
        text-align: left;
        transition: background 0.2s;
    }

    .mobile-nav .dropdown-content a:last-child {
        border-bottom: none;
    }

    .mobile-nav .dropdown-content a:hover {
        background: var(--light);
        color: var(--accent);
    }

    .mobile-nav .dropdown > a {
        position: relative;
        padding-right: 32px;
    }

    .mobile-nav .dropdown > a::after {
        content: none;
        display: none;
    }

    .mobile-nav .dropdown.open > a::after {
        transform: translateY(-50%) scaleY(-0.7);
    }

    .mobile-nav .dropdown:hover .dropdown-content {
        display: none !important;
    }

    .mobile-nav .dropdown.open .dropdown-content,
    .mobile-nav .dropdown.open:hover .dropdown-content {
        display: block !important;
    }
}

@media (max-width: 1150px) and (min-width: 769px) {
    nav ul li {
        margin-left: 2px;
    }

    nav ul li a {
        font-size: 14px;
        padding: 6px 12px;
    }

    .demo-btn {
        padding: 10px 20px !important;
        font-size: 14px !important;
    }
}

@media (min-width: 769px) {
    .dropdown-content {
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
        width: 100%;
    }

    .dropdown:hover .dropdown-content {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        display: block;
    }
}