@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap");

:root {
    --color-bg: #ffffff;
    --color-bg-soft: #f7f9fc;
    --color-text: #1f2933;
    --color-text-muted: #5b6675;
    --color-border: #e3e8ef;
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --radius: 18px;
    --shadow: 0px 1px 5px rgb(0 0 0 / 6%);
    --max-width: 1140px;
    --font: "DM Sans", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
    line-height: 1.3;
    margin: 0 0 0.5em;
    color: #111827;
}
p {
    margin: 0 0 1em;
    color: var(--color-text-muted);
}
a {
    color: var(--color-primary);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 8px 16px;
    z-index: 100;
}
.skip-link:focus {
    left: 0;
}

/* ---- Header ---- */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-header__top {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-text);
    white-space: nowrap;
}
.logo:hover {
    text-decoration: none;
}
.logo__icon {
    font-size: 1.4rem;
}

.search-form {
    position: relative;
    flex: 1;
    max-width: 480px;
    display: flex;
    margin-left: auto;
    margin-right: auto;
}

.search-form__input {
    width: 100%;
    padding: 10px 44px 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    background: var(--color-bg-soft);
    color: var(--color-text);
}
.search-form__input:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
    background: #fff;
}

.search-form__button {
    position: absolute;
    right: 4px;
    top: 4px;
    bottom: 4px;
    width: 31px;
    border: 0;
    background: #1f2933;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    transition: transform 0.35s ease;
}
.search-form__button:hover {
    transform: scale(1.05);
}

.search-suggestions {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-height: 320px;
    overflow-y: auto;
    z-index: 60;
}
.search-suggestions li a {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 14px;
    color: var(--color-text);
}
.search-suggestions li a:hover,
.search-suggestions li a:focus {
    background: var(--color-bg-soft);
    text-decoration: none;
}
.search-suggestions li a small {
    color: var(--color-text-muted);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #fff;
    cursor: pointer;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
}

/* ---- Main nav / mega menu ---- */
.main-nav {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-soft);
}
.main-nav__list {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    justify-content: center;
}
.main-nav__item {
    position: relative;
}
.main-nav__link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 14px;
    color: var(--color-text);
    font-size: 0.92rem;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}
.main-nav__link:hover {
    text-decoration: none;
    color: var(--accent, var(--color-primary));
    border-bottom-color: var(--accent, var(--color-primary));
}
.main-nav__caret {
    margin-left: 2px;
    opacity: 0.6;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 6px;
    display: none;
    z-index: 55;
}
.submenu li a {
    display: block;
    padding: 9px 12px;
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.92rem;
}
.submenu li a:hover {
    background: var(--color-bg-soft);
    text-decoration: none;
}

/* ---- Ad slots ---- */
.ad-slot-wrap {
    margin: 24px auto;
}
.ad-slot {
    text-align: center;
    margin: 0 auto;
}
.ad-slot__label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #9aa5b1;
    margin-bottom: 6px;
}
.ad-slot__box {
    min-height: 90px;
    background: var(--color-bg-soft);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}
.ad-slot--footer .ad-slot__box {
    min-height: 90px;
    margin-bottom: 20px;
}

/* ---- Hero ---- */
.hero {
    padding: 40px 20px 8px;
    text-align: center;
}
.hero__title {
    font-size: 2rem;
}
.hero__subtitle {
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0 auto;
}

/* ---- Category grid ---- */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 28px 0;
}
.category-grid--compact {
    grid-template-columns: repeat(4, 1fr);
}

.category-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--accent, var(--color-primary));
    border-radius: var(--radius);
    color: var(--color-text);
    transition:
        transform 0.35s ease,
        box-shadow 0.35s ease;
    box-shadow: var(--shadow);
}
.category-card:hover {
    text-decoration: none;
    transform: translateY(-4px);
}
.category-card__icon {
    font-size: 1.8rem;
}
.category-card__name {
    font-weight: 700;
    font-size: 1.05rem;
}
.category-card__desc {
    font-size: 0.88rem;
    color: var(--color-text-muted);
}
.category-card__count {
    font-size: 0.78rem;
    color: var(--accent, var(--color-primary));
    font-weight: 600;
    margin-top: 4px;
}

/* ---- Info section ---- */
.info-section {
    padding: 30px 20px 50px;
    text-align: center;
}
.info-grid {
    display: grid;
    gap: 10px;
    margin-top: 20px;
    grid-auto-flow: column;
}
.info-item {
    padding: 16px;
}
.info-item__icon {
    font-size: 1.8rem;
}

/* ---- Page heading (category/search) ---- */
.page-heading {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 32px 20px 16px;
    border-bottom: 3px solid var(--accent, var(--color-border));
    margin-bottom: 24px;
}
.page-heading__icon {
    font-size: 2.4rem;
}
.page-heading h1 {
    margin-bottom: 4px;
}

.section-title {
    margin-top: 30px;
}

/* ---- Tool grid ---- */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 30px;
}
.tool-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 18px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
}
.tool-card:hover {
    text-decoration: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
}
.tool-card__icon {
    font-size: 1.6rem;
}
.tool-card__name {
    font-weight: 700;
}
.tool-card__desc,
.tool-card__category {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

/* ---- Footer ---- */
.site-footer {
    background: var(--color-bg-soft);
    border-top: 1px solid var(--color-border);
    margin-top: 40px;
    padding-top: 36px;
}
.site-footer__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding-bottom: 20px;
}
.site-footer__title {
    font-size: 0.95rem;
    margin-bottom: 10px;
}
.site-footer__list li {
    margin-bottom: 6px;
    font-size: 0.9rem;
}
.site-footer__text {
    font-size: 0.88rem;
}
.site-footer__copy {
    text-align: center;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    padding: 16px 0;
    margin: 0;
    border-top: 1px solid var(--color-border);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .category-grid,
    .category-grid--compact {
        grid-template-columns: repeat(2, 1fr);
    }
    .tool-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .info-grid {
    grid-auto-flow: row;
    }
    hr {
        width: 100%;
    }
    .site-footer__grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Breadcrumb ---- */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: 16px 20px 0;
}
.breadcrumb a {
    color: var(--color-text-muted);
}
.breadcrumb a:hover {
    color: var(--color-primary);
}
.breadcrumb [aria-current] {
    color: var(--color-text);
    font-weight: 600;
}

/* ---- Tool heading ---- */
.tool-heading {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 20px 20px;
    border-bottom: 3px solid var(--accent, var(--color-border));
    margin-bottom: 22px;
}
.tool-heading__icon {
    font-size: 2.2rem;
}
.tool-heading h1 {
    margin-bottom: 6px;
    font-size: 1.6rem;
}
.tool-heading p {
    margin: 0;
}

/* ---- Tool form / fields ---- */
.tool-panel {
    margin-bottom: 10px;
}
.tool-form__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.field--full {
    grid-column: 1 / -1;
}
.field label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
}
.field input,
.field select,
.field textarea {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: inherit;
    background: #fff;
    color: var(--color-text);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}
.field__hint {
    color: var(--color-text-muted);
    font-size: 0.78rem;
}
.tool-form--text .field {
    margin-bottom: 14px;
}

.tool-form__actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 11px 20px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
}
.btn--primary {
    background: var(--color-primary);
    color: #fff;
}
.btn--primary:hover {
    background: var(--color-primary-dark);
}
.btn--ghost {
    background: #fff;
    color: var(--color-text-muted);
    border-color: var(--color-border);
}
.btn--ghost:hover {
    background: var(--color-bg-soft);
}
.btn--copy {
    background: var(--color-bg-soft);
    color: var(--color-primary);
    border-color: var(--color-border);
    margin-top: 12px;
}
.btn--copy:hover {
    background: #eef2ff;
}
.btn--copy.is-copied {
    color: #16a34a;
}

.tool-result {
    margin-top: 20px;
    padding: 20px;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}
.tool-result__body {
    font-size: 1rem;
}
.tool-result__body h3 {
    margin-top: 0;
    font-size: 1.05rem;
}
.tool-result__value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-primary);
}
.tool-result table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}
.tool-result th,
.tool-result td {
    text-align: left;
    padding: 6px 8px;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}
.tool-result .error-msg {
    color: #dc2626;
}
.tool-result a.download-link {
    font-weight: 700;
}

.submenu__group {
    padding: 8px 12px 4px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #9aa5b1;
}

.wheel-stage {
    position: relative;
    width: 360px;
    max-width: 100%;
    margin: 0 auto 28px;
    aspect-ratio: 1 / 1;
}
.wheel-canvas {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
    display: block;
}
.wheel-pointer {
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 14px solid transparent;
    border-right: 14px solid transparent;
    border-top: 24px solid #111827;
    z-index: 2;
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.3));
}

@media (min-width: 720px) {
    .main-nav__item:hover .submenu,
    .main-nav__item:focus-within .submenu {
        display: block;
    }
}

@media (max-width: 640px) {
    .tool-form__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .category-card {
        text-align: center;
        gap: 10px;
        align-items: center;
    }
    .category-card .category-card__name {
        padding-bottom: 10px;
        margin-bottom: 10px;
        border-bottom: 1px solid rgb(0 0 0 / 5%);
    }
    .category-card__count {
        margin-top: 10px;
    }
    .nav-toggle {
        display: flex;
    }
    .site-header__top {
        flex-wrap: wrap;
    }
    .search-form {
        order: 3;
        flex-basis: 100%;
        max-width: none;
    }
    .main-nav {
        display: none;
    }
    .main-nav.is-open {
        display: block;
    }
    .main-nav__list {
        flex-direction: column;
    }
    .submenu {
        position: static;
        display: none;
        border: 0;
        box-shadow: none;
        padding-left: 12px;
    }
    .main-nav__item.is-open .submenu {
        display: block;
    }
    .category-grid,
    .category-grid--compact,
    .tool-grid {
        grid-template-columns: 1fr;
    }
    .hero__title {
        font-size: 1.5rem;
    }
    ul.site-footer__list {
        display: block !important;
    }
    .site-header {
        position: relative;
    }
}

pre {
    text-wrap-mode: wrap;
}

ul.site-footer__list {
    display: flex;
    gap: 15px;
    justify-content: space-between;
    flex-wrap: wrap;
}

/* ---- Tool content sections (como usar, exemplo, FAQ) ---- */
.content-section {
    margin-top: 34px;
}
.content-section h2 {
    font-size: 1.25rem;
}

.howto-steps {
    list-style: decimal;
    padding-left: 22px;
    margin: 0 0 1em;
}
.howto-steps li {
    margin-bottom: 8px;
    color: var(--color-text-muted);
}
.howto-steps li strong {
    color: var(--color-text);
}

.example-block {
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 8px;
}
.example-block__label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    margin: 0 0 6px;
}
.example-block__label:not(:first-child) {
    margin-top: 14px;
}
.example-block__code {
    margin: 0;
    padding: 10px 12px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.9rem;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}
.example-block__code--result {
    background: #eef2ff;
    color: var(--color-primary-dark);
    font-weight: 600;
}
.example-block__explanation {
    margin: 12px 0 0;
    font-size: 0.92rem;
}

.faq-list {
    border-top: 1px solid var(--color-border);
}
.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 14px 4px;
}
.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-text);
}
.faq-item summary::-webkit-details-marker {
    color: var(--color-primary);
}
.faq-item p {
    margin: 10px 0 0;
    font-size: 0.95rem;
}

hr {
    opacity: 0.2;
}

.site-footer__grid--expanded {
    grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.8fr);
}
.site-footer__list--stacked {
    display: block;
}
.site-footer__list--stacked li {
    margin-bottom: 8px;
}
.site-footer__address {
    margin: 14px 0 0;
    font-style: normal;
    font-size: 0.86rem;
    color: var(--color-text-muted);
}
.form-message {
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 18px;
    font-size: 0.94rem;
}
.form-message--success {
    background: #ecfdf5;
    border: 1px solid #bbf7d0;
    color: #166534;
}
.form-message--error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}
.contact-form {
    max-width: 860px;
}
ul.site-footer__list--stacked {
    display: block;
}