:root {
    --brand: #007ced;
    --brand-dark: #005bb5;
    --surface: #ffffff;
    --surface-soft: #f6f9fc;
    --surface-soft-2: #eef5fb;
    --text: #24313f;
    --muted: #5a6a7b;
    --border: #e8edf3;
    --shadow: 0 14px 40px rgba(9, 35, 66, 0.16);
    --radius: 14px;
    --overlay: rgba(5, 12, 22, 0.84);
}

html[data-theme='dark'] {
    --brand: #3ea6ff;
    --brand-dark: #208ae6;
    --surface: #111a24;
    --surface-soft: #162231;
    --surface-soft-2: #1b2a3a;
    --text: #e8eff7;
    --muted: #9fb2c5;
    --border: #2a3a4b;
    --shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
    --overlay: rgba(2, 8, 18, 0.88);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    padding: 24px 16px 88px;
    background-image: linear-gradient(rgba(245, 249, 255, 0.84), rgba(245, 249, 255, 0.84)), url('./tga wallpaper tga novo.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    transition: background-image 0.25s ease, color 0.25s ease;
}

html[data-theme='dark'] body {
    background-image: linear-gradient(rgba(8, 14, 22, 0.86), rgba(8, 14, 22, 0.86)), url('./tga wallpaper tga novo.png');
}

.faq-container {
    width: min(1200px, 100%);
    margin: 44px auto;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    animation: rise-in 0.45s ease;
    backdrop-filter: blur(5px);
}

.faq-header {
    background: linear-gradient(120deg, var(--brand) 0%, #0590ff 100%);
    color: #ffffff;
    padding: 20px;
    text-align: center;
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-weight: 700;
    letter-spacing: 0.6px;
}

.search-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface-soft) 70%, transparent);
}

.search-logo {
    width: 50px;
    height: 50px;
    flex: 0 0 auto;
}

#searchInput {
    width: min(880px, 100%);
    padding: 12px 14px;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    background: var(--surface);
}

#searchInput:focus {
    outline: none;
    border-color: #7eb8ff;
    box-shadow: 0 0 0 3px rgba(0, 124, 237, 0.16);
}

.faq-item {
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    background: var(--surface);
    color: var(--text);
    padding: 16px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.faq-question:hover,
.faq-question:focus-visible {
    background: var(--surface-soft-2);
    transform: translateX(2px);
}

.faq-question i {
    color: var(--brand);
    font-size: 1rem;
}

.faq-answer {
    padding: 20px;
    display: none;
    background: var(--surface-soft);
    border-top: 1px dashed var(--border);
}

.faq-answer p {
    margin-bottom: 10px;
}

.faq-answer a {
    color: var(--brand);
    text-decoration: underline;
}

.faq-answer a:hover {
    color: var(--brand-dark);
}

.faq-answer img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 12px auto;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(9, 35, 66, 0.14);
    cursor: zoom-in;
    transition: transform 0.2s ease;
}

.faq-answer img:hover {
    transform: scale(1.02);
}

section {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: left;
    margin-top: 20px;
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

ol {
    padding-left: 20px;
}

ol ol {
    margin-top: 10px;
    margin-bottom: 10px;
}

li {
    margin: 5px 0;
}

h5 {
    font-size: 1.3rem;
    margin-top: 10px;
    margin-bottom: 5px;
}

.btn-voltar {
    position: fixed;
    top: 16px;
    left: 12px;
    background: linear-gradient(120deg, var(--brand) 0%, #0590ff 100%);
    color: #fff;
    padding: 10px 16px;
    border-radius: 11px;
    text-decoration: none;
    font-size: 15px;
    box-shadow: 0 6px 16px rgba(0, 91, 181, 0.35);
    z-index: 1000;
}

.theme-toggle {
    position: fixed;
    top: 16px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface) 82%, transparent);
    color: var(--text);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 0.92rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    z-index: 1001;
    backdrop-filter: blur(6px);
}

.theme-toggle:hover {
    border-color: var(--brand);
}

.theme-toggle__icon {
    font-size: 1rem;
}

.theme-toggle__text {
    white-space: nowrap;
}

.btn-voltar:hover {
    opacity: 0.9;
}

#scroll-down-btn,
#scroll-up-btn {
    position: fixed;
    right: 16px;
    width: 46px;
    height: 46px;
    border: none;
    background: var(--brand);
    color: #fff;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 1000;
    display: none;
    box-shadow: 0 6px 16px rgba(0, 91, 181, 0.3);
}

#scroll-down-btn:focus-visible,
#scroll-up-btn:focus-visible,
.theme-toggle:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--brand) 45%, white);
    outline-offset: 2px;
}

#scroll-down-btn {
    top: 22%;
    display: block;
}

#scroll-up-btn {
    bottom: 88px;
}

#scroll-up-btn:hover,
#scroll-down-btn:hover {
    background: var(--brand-dark);
}

a.no-underline {
    text-decoration: none;
}

body.modal-open {
    overflow: hidden;
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: color-mix(in srgb, var(--surface) 88%, transparent);
    text-align: center;
    padding: 5px;
    z-index: 9999;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
    border-top: 1px solid var(--border);
    backdrop-filter: blur(5px);
}

.footer-counter {
    display: flex;
    justify-content: center;
    margin: 10px 0;
}

.image-modal {
    display: none;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay);
    z-index: 50000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(3px);
    animation: fade-in 0.2s ease;
}

.image-modal__content {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 90%;
    max-height: 90%;
    transform: translateY(8px);
    animation: rise-in 0.25s ease forwards;
}

.image-modal__image {
    max-width: 100%;
    max-height: 100%;
    border-radius: 10px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    object-fit: contain;
}

.image-modal__loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ffffff;
    font-size: 1.5rem;
    display: none;
}

.image-modal__close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #ffffff;
    font-size: 2rem;
    cursor: pointer;
    background: #bd1111;
    padding: 4px 12px;
    border-radius: 8px;
    border: 2px solid #850f0f;
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.55);
}

.image-modal__close:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.7);
    outline-offset: 2px;
}

@media (max-width: 768px) {
    body {
        padding: 16px 10px 88px;
        background-attachment: scroll;
    }

    .faq-container {
        margin: 58px auto 28px;
        border-radius: 12px;
    }

    .faq-question {
        padding: 14px 16px;
    }

    .faq-answer {
        padding: 16px;
    }

    .btn-voltar {
        top: 10px;
        left: 8px;
        padding: 8px 12px;
        font-size: 14px;
    }

    .theme-toggle {
        top: 10px;
        right: 8px;
        padding: 7px 10px;
        font-size: 0.84rem;
    }

    .theme-toggle__text {
        display: none;
    }

    #scroll-down-btn,
    #scroll-up-btn {
        right: 10px;
        width: 42px;
        height: 42px;
        font-size: 18px;
    }

    #scroll-up-btn {
        bottom: 80px;
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}