/* =========================================================
   TCDevHub — Home
   Tema claro + tema escuro
   ========================================================= */

/* =========================================================
   RESET
   ========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;

    background: var(--bg);
    color: var(--text);

    font-family:
        "Inter",
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.5;

    -webkit-font-smoothing: antialiased;

    transition:
        background-color 0.2s ease,
        color 0.2s ease;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
}

img {
    display: block;
    max-width: 100%;
}


/* =========================================================
   HEADER
   ========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;

    background: var(--header-bg);

    border-bottom: 1px solid var(--header-border);

    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);

    transition:
        background-color 0.2s ease,
        border-color 0.2s ease;
}

.header-inner {
    width: min(1180px, calc(100% - 40px));
    min-height: 72px;

    margin: 0 auto;

    display: flex;
    align-items: center;

    gap: 34px;
}


/* =========================================================
   LOGO
   ========================================================= */

.logo {
    display: flex;
    align-items: center;

    flex-shrink: 0;
}

.logo img {
    width: 178px;
    height: auto;
}


/* =========================================================
   NAVEGAÇÃO
   ========================================================= */

.main-nav {
    display: flex;
    align-items: center;

    gap: 28px;
    margin-left: 12px;
}

.main-nav a {
    color: var(--text-secondary);

    font-size: 14px;
    font-weight: 500;

    transition: color 0.18s ease;
}

.main-nav a:hover {
    color: var(--text-strong);
}


/* =========================================================
   AÇÕES DO HEADER
   ========================================================= */

.header-actions {
    display: flex;
    align-items: center;

    gap: 18px;

    margin-left: auto;
}


/* =========================================================
   SELETOR DE TEMA
   ========================================================= */

.theme-selector {
    position: relative;
}

.theme-button {
    width: 38px;
    height: 38px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;

    background: var(--surface);

    color: var(--text-secondary);

    border: 1px solid var(--border);
    border-radius: 8px;

    font-size: 16px;

    cursor: pointer;

    transition:
        background 0.18s ease,
        border-color 0.18s ease,
        color 0.18s ease;
}

.theme-button:hover {
    background: var(--surface-hover);

    border-color: var(--border-strong);

    color: var(--text-strong);
}


/* =========================================================
   MENU DE TEMA
   ========================================================= */

.theme-menu {
    position: absolute;

    top: calc(100% + 8px);
    right: 0;

    width: 150px;

    padding: 6px;

    background: var(--surface);

    border: 1px solid var(--border);
    border-radius: 9px;

    box-shadow: var(--shadow-md);

    z-index: 200;
}

.theme-menu[hidden] {
    display: none;
}

.theme-menu button {
    width: 100%;
    min-height: 36px;

    display: flex;
    align-items: center;

    gap: 9px;

    padding: 0 10px;

    background: transparent;

    color: var(--text-secondary);

    border: 0;
    border-radius: 6px;

    font-size: 13px;

    text-align: left;

    cursor: pointer;

    transition:
        background 0.15s ease,
        color 0.15s ease;
}

.theme-menu button:hover {
    background: var(--surface-hover);

    color: var(--text-strong);
}


/* =========================================================
   CONTA
   ========================================================= */

.auth-links {
    display: flex;
    align-items: center;

    gap: 18px;

    font-size: 14px;
    font-weight: 500;
}

.auth-links > a:not(.header-register) {
    color: var(--text-secondary);
}

.auth-links > a:not(.header-register):hover {
    color: var(--text-strong);
}

.header-register {
    padding: 9px 15px;

    background: var(--button-primary-bg);

    color: var(--button-primary-text);

    border: 1px solid var(--button-primary-bg);
    border-radius: 8px;

    transition:
        background 0.18s ease,
        border-color 0.18s ease,
        transform 0.18s ease;
}

.header-register:hover {
    background: var(--button-primary-hover);

    border-color: var(--button-primary-hover);

    transform: translateY(-1px);
}


/* =========================================================
   MENU MOBILE — BASE
   ========================================================= */

.mobile-menu-button,
.mobile-menu {
    display: none;
}


/* =========================================================
   LOGO
   ========================================================= */

.logo {
    display: flex;
    align-items: center;

    flex-shrink: 0;
}

.logo img {
    width: 178px;
    height: auto;
}


/* =========================================================
   NAVEGAÇÃO
   ========================================================= */

.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;

    margin-left: 12px;
}

.nav-link {
    color: var(--text-secondary);

    font-size: 14px;
    font-weight: 500;

    transition: color 0.18s ease;
}

.nav-link:hover {
    color: var(--text-strong);
}


/* =========================================================
   CONTA
   ========================================================= */

.auth-links {
    display: flex;
    align-items: center;
    gap: 18px;

    margin-left: auto;

    font-size: 14px;
    font-weight: 500;
}

.auth-links > a:not(.btn-register) {
    color: var(--text-secondary);
}

.auth-links > a:not(.btn-register):hover {
    color: var(--text-strong);
}

.btn-register {
    padding: 9px 15px;

    background: var(--button-primary-bg);
    color: var(--button-primary-text);

    border: 1px solid var(--button-primary-bg);
    border-radius: 8px;

    transition:
        background 0.18s ease,
        border-color 0.18s ease,
        transform 0.18s ease;
}

.btn-register:hover {
    background: var(--button-primary-hover);
    border-color: var(--button-primary-hover);

    transform: translateY(-1px);
}


/* =========================================================
   MOBILE MENU — BASE
   ========================================================= */

.mobile-menu-button,
.mobile-menu {
    display: none;
}


/* =========================================================
   HERO
   ========================================================= */

.hero {
    position: relative;

    overflow: hidden;

    border-bottom: 1px solid var(--border);

    background:
        radial-gradient(
            circle at 78% 35%,
            var(--hero-glow),
            transparent 30%
        ),
        var(--hero-bg);
}

.hero::before {
    content: "";

    position: absolute;
    inset: 0;

    pointer-events: none;

    background-image:
        linear-gradient(
            var(--hero-grid) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            var(--hero-grid) 1px,
            transparent 1px
        );

    background-size: 48px 48px;

    mask-image:
        linear-gradient(
            to right,
            transparent,
            black 35%,
            black 75%,
            transparent
        );
}

.hero::after {
    content: "";

    position: absolute;

    width: 420px;
    height: 420px;

    right: -180px;
    top: 30px;

    border: 1px solid var(--accent-border);

    border-radius: 50%;

    box-shadow:
        0 0 0 50px var(--accent-soft),
        0 0 0 100px var(--accent-soft);
}

.hero-content {
    position: relative;
    z-index: 1;

    width: min(1180px, calc(100% - 40px));

    margin: 0 auto;

    padding: 105px 0 110px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;

    margin-bottom: 22px;

    color: var(--accent);

    font-family:
        "IBM Plex Mono",
        monospace;

    font-size: 11px;
    font-weight: 600;

    letter-spacing: 0.13em;
}

.hero-eyebrow::before {
    content: "";

    width: 24px;
    height: 2px;

    margin-right: 10px;

    background: var(--accent);

    border-radius: 2px;
}

.hero h1 {
    max-width: 790px;

    color: var(--text-strong);

    font-size: clamp(44px, 6vw, 72px);
    font-weight: 700;

    line-height: 1.02;
    letter-spacing: -0.05em;
}

.hero-description {
    max-width: 590px;

    margin-top: 25px;

    color: var(--text-secondary);

    font-size: 18px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;

    margin-top: 34px;
}


/* =========================================================
   BUTTONS
   ========================================================= */

.primary-button,
.secondary-button {
    min-height: 45px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 0 18px;

    border-radius: 8px;

    font-size: 14px;
    font-weight: 600;

    transition:
        background 0.18s ease,
        border-color 0.18s ease,
        color 0.18s ease,
        transform 0.18s ease;
}

.primary-button {
    background: var(--button-primary-bg);
    color: var(--button-primary-text);

    border: 1px solid var(--button-primary-bg);

    box-shadow: var(--shadow-sm);
}

.primary-button:hover {
    background: var(--button-primary-hover);
    border-color: var(--button-primary-hover);

    transform: translateY(-1px);
}

.secondary-button {
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);

    border: 1px solid var(--border);
}

.secondary-button:hover {
    background: var(--button-secondary-hover);
    border-color: var(--border-strong);

    transform: translateY(-1px);
}


/* =========================================================
   FERRAMENTAS
   ========================================================= */

.tools-section {
    width: min(1180px, calc(100% - 40px));

    margin: 0 auto;

    padding: 92px 0 110px;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;

    gap: 30px;

    margin-bottom: 30px;
}

.section-label {
    display: block;

    margin-bottom: 9px;

    color: var(--accent);

    font-family:
        "IBM Plex Mono",
        monospace;

    font-size: 10px;
    font-weight: 600;

    letter-spacing: 0.12em;
}

.section-heading h2 {
    color: var(--text-strong);

    font-size: 30px;
    font-weight: 650;

    line-height: 1.2;
    letter-spacing: -0.03em;
}

.section-heading p {
    max-width: 540px;

    margin-top: 9px;

    color: var(--text-secondary);

    font-size: 15px;
}

.tools-count {
    color: var(--text-muted);

    font-family:
        "IBM Plex Mono",
        monospace;

    font-size: 11px;
}


/* =========================================================
   CATEGORIAS
   ========================================================= */

.tool-categories {
    display: flex;
    align-items: center;
    gap: 7px;

    margin-bottom: 22px;

    overflow-x: auto;

    scrollbar-width: none;
}

.tool-categories::-webkit-scrollbar {
    display: none;
}

.category-button {
    flex-shrink: 0;

    padding: 8px 14px;

    background: var(--surface);
    color: var(--text-secondary);

    border: 1px solid var(--border);
    border-radius: 7px;

    font-size: 13px;
    font-weight: 500;

    cursor: pointer;

    transition:
        color 0.18s ease,
        background 0.18s ease,
        border-color 0.18s ease;
}

.category-button:hover {
    color: var(--text-strong);
    background: var(--surface-hover);
    border-color: var(--border-strong);
}

.category-button.active {
    background: var(--accent-soft);
    color: var(--accent);

    border-color: var(--accent-border);
}


/* =========================================================
   TOOLS GRID
   ========================================================= */

.tools-grid {
    display: grid;

    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 14px;
}

.tool-card:last-child {
    grid-column: span 1;
}


/* =========================================================
   TOOL CARD
   ========================================================= */

.tool-card {
    position: relative;

    min-height: 270px;

    display: flex;
    flex-direction: column;

    padding: 23px;

    background: var(--card-bg);

    border: 1px solid var(--card-border);
    border-radius: 10px;

    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.tool-card::before {
    content: "";

    position: absolute;

    left: 0;
    top: 20px;

    width: 2px;
    height: 34px;

    background: var(--accent);

    border-radius: 0 2px 2px 0;

    opacity: 0;

    transition: opacity 0.2s ease;
}

.tool-card:hover {
    background: var(--card-hover-bg);

    border-color: var(--card-hover-border);

    transform: translateY(-3px);

    box-shadow: var(--shadow-md);
}

.tool-card:hover::before {
    opacity: 1;
}


/* =========================================================
   TOOL CARD HEADER
   ========================================================= */

.tool-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tool-icon {
    width: 40px;
    height: 40px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: var(--icon-bg);
    color: var(--icon-text);

    border: 1px solid var(--icon-border);
    border-radius: 8px;

    font-family:
        "IBM Plex Mono",
        monospace;

    font-size: 12px;
    font-weight: 600;
}

.tool-icon.color-icon {
    background: var(--accent-soft);
    color: var(--accent);

    border-color: var(--accent-border);
}

.tool-icon.binary-icon {
    font-size: 10px;
}

.tool-category {
    color: var(--text-muted);

    font-family:
        "IBM Plex Mono",
        monospace;

    font-size: 9px;
    font-weight: 500;

    letter-spacing: 0.08em;
}


/* =========================================================
   TOOL CARD CONTENT
   ========================================================= */

.tool-card-content {
    margin-top: auto;

    padding-top: 28px;
}

.tool-card-content h3 {
    color: var(--text-strong);

    font-size: 18px;
    font-weight: 600;

    letter-spacing: -0.015em;
}

.tool-card-content p {
    max-width: 270px;

    margin-top: 8px;

    color: var(--text-secondary);

    font-size: 14px;
    line-height: 1.6;
}


/* =========================================================
   TOOL LINK
   ========================================================= */

.tool-link {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-top: 25px;
    padding-top: 15px;

    border-top: 1px solid var(--border-soft);

    color: var(--link);

    font-size: 13px;
    font-weight: 600;
}

.tool-link span {
    font-size: 17px;

    transition: transform 0.18s ease;
}

.tool-link:hover span {
    transform: translateX(3px);
}


/* =========================================================
   FEATURES
   ========================================================= */

.features-section {
    width: min(1180px, calc(100% - 40px));

    margin: 0 auto;

    padding: 0 0 110px;
}

.features-grid {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    border: 1px solid var(--border);
    border-radius: 10px;

    overflow: hidden;

    background: var(--surface);
}

.feature-item {
    min-height: 205px;

    padding: 28px;

    border-right: 1px solid var(--border);
}

.feature-item:last-child {
    border-right: none;
}

.feature-number {
    display: block;

    margin-bottom: 42px;

    color: var(--accent);

    font-family:
        "IBM Plex Mono",
        monospace;

    font-size: 10px;
}

.feature-item h3 {
    color: var(--text-strong);

    font-size: 18px;
    font-weight: 600;
}

.feature-item p {
    max-width: 290px;

    margin-top: 8px;

    color: var(--text-secondary);

    font-size: 14px;
    line-height: 1.6;
}


/* =========================================================
   CTA
   ========================================================= */

.cta-section {
    position: relative;

    overflow: hidden;

    width: min(1180px, calc(100% - 40px));

    margin: 0 auto 100px;

    padding: 52px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 40px;

    background:
        linear-gradient(
            110deg,
            var(--cta-bg-start),
            var(--cta-bg-end)
        );

    border: 1px solid var(--cta-border);
    border-radius: 12px;
}

.cta-section::after {
    content: "";

    position: absolute;

    width: 280px;
    height: 280px;

    right: -90px;
    top: -100px;

    border: 1px solid var(--accent-border);

    border-radius: 50%;

    box-shadow:
        0 0 0 45px var(--accent-soft),
        0 0 0 90px var(--accent-soft);
}

.cta-section > div {
    position: relative;

    z-index: 1;
}

.cta-section .section-label {
    color: var(--accent);
}

.cta-section h2 {
    color: var(--text-strong);

    font-size: 28px;
    font-weight: 650;

    letter-spacing: -0.03em;
}

.cta-section p {
    max-width: 550px;

    margin-top: 8px;

    color: var(--text-secondary);

    font-size: 14px;
}

.cta-section .primary-button {
    position: relative;

    z-index: 2;

    flex-shrink: 0;
}

.cta-section .primary-button:hover {
    background: var(--button-primary-hover);
    border-color: var(--button-primary-hover);
}


/* =========================================================
   FOOTER
   ========================================================= */

.footer {
    background: var(--surface);

    border-top: 1px solid var(--border);
}

.footer-main,
.footer-bottom {
    width: min(1180px, calc(100% - 40px));

    margin: 0 auto;
}

.footer-main {
    min-height: 125px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;

    gap: 4px;
}

.footer-brand strong {
    color: var(--text-strong);

    font-size: 15px;
    font-weight: 600;
}

.footer-brand span {
    color: var(--text-muted);

    font-size: 13px;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 22px;
}

.footer-links a {
    color: var(--text-secondary);

    font-size: 12px;

    transition: color 0.18s ease;
}

.footer-links a:hover {
    color: var(--text-strong);
}

.footer-bottom {
    min-height: 58px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    border-top: 1px solid var(--border-soft);

    color: var(--text-muted);

    font-size: 11px;
}


/* =========================================================
   USUÁRIO LOGADO
   ========================================================= */

.usuario-logado {
    display: flex;
    align-items: center;

    gap: 10px;
}

.usuario-foto {
    width: 32px;
    height: 32px;

    border-radius: 50%;

    object-fit: cover;
}

.usuario-info {
    display: flex;
    flex-direction: column;

    line-height: 1.2;
}

.usuario-info strong {
    color: var(--text-strong);

    font-size: 13px;
    font-weight: 600;
}

.usuario-info span {
    color: var(--text-muted);

    font-size: 11px;
}

.logout-button {
    margin-left: 6px;

    border: 0;

    background: transparent;
    color: var(--text-secondary);

    font-size: 12px;

    cursor: pointer;
}

.logout-button:hover {
    color: var(--text-strong);
}


/* =========================================================
   FOCUS
   ========================================================= */

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}


/* =========================================================
   SELEÇÃO
   ========================================================= */

::selection {
    background: var(--accent-soft);
    color: var(--text-strong);
}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 1000px) {
    .tools-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 760px) {

    /* =====================================================
       HEADER
       ===================================================== */

    .header-inner {
        width: 100%;
        min-height: 64px;

        padding: 0 16px;

        display: flex;
        align-items: center;
    }

    .main-nav,
    .auth-links {
        display: none;
    }

    .logo {
        display: flex;
        align-items: center;

        flex-shrink: 0;
    }

    .logo img {
        width: 146px;
        height: auto;
    }

    /* =====================================================
       BOTÃO DO MENU
       ===================================================== */

    .mobile-menu-button {
        width: 40px;
        height: 40px;

        margin-left: auto;

        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;

        gap: 4px;
        padding: 0;

        border: 1px solid var(--border);
        border-radius: 8px;

        background: var(--surface);
        color: var(--text-secondary);

        cursor: pointer;
        flex-shrink: 0;

        transition:
            background .15s ease,
            border-color .15s ease,
            color .15s ease;
    }

    .mobile-menu-button:hover {
        background: var(--surface-soft);
        border-color: var(--border-strong);
        color: var(--text);
    }

    .mobile-menu-button span {
        width: 17px;
        height: 1.5px;

        display: block;

        border-radius: 2px;

        background: currentColor;

        transition:
            transform .18s ease,
            opacity .15s ease;
    }

    .mobile-menu-button.is-open span:nth-child(1) {
        transform: translateY(5.5px) rotate(45deg);
    }

    .mobile-menu-button.is-open span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-button.is-open span:nth-child(3) {
        transform: translateY(-5.5px) rotate(-45deg);
    }


    /* =====================================================
       MENU
       ===================================================== */

    .mobile-menu:not([hidden]) {
        display: block;

        border-top: 1px solid var(--border-soft);

        background: var(--surface);

        animation: mobile-menu-open .14s ease-out;
    }

    @keyframes mobile-menu-open {
        from {
            opacity: 0;
        }

        to {
            opacity: 1;
        }
    }

    .mobile-menu-inner {
        width: 100%;
        max-width: 1200px;

        margin: 0 auto;

        padding: 8px 16px 20px;
    }


    /* =====================================================
       NAVEGAÇÃO MOBILE
       ===================================================== */

    .mobile-nav {
        display: flex;
        flex-direction: column;
    }

    .mobile-nav a {
        min-height: 44px;

        display: flex;
        align-items: center;

        padding: 0 8px;

        border-radius: 6px;

        color: var(--text);
        text-decoration: none;

        font-size: 14px;
        font-weight: 500;

        transition:
            background .15s ease,
            color .15s ease;
    }

    .mobile-nav a:hover {
        background: var(--surface-soft);
        color: var(--text-strong);
    }


    /* =====================================================
       SEPARADORES
       ===================================================== */

    .mobile-menu-section,
    .mobile-auth {
        border-top: 1px solid var(--border-soft);
    }


    /* =====================================================
       TEMA
       ===================================================== */

    .mobile-menu-section {
        margin-top: 8px;
        padding: 16px 8px 14px;
    }

    .mobile-menu-label {
        display: block;

        margin-bottom: 10px;

        color: var(--text-secondary);

        font-size: 12px;
        font-weight: 500;
    }

    .mobile-theme-options {
        display: grid;

        grid-template-columns: repeat(3, 1fr);

        gap: 8px;
    }

    .mobile-theme-options button {
        min-height: 38px;

        display: flex;
        align-items: center;
        justify-content: center;

        gap: 5px;

        padding: 0 8px;

        border: 1px solid var(--border);
        border-radius: 6px;

        background: var(--surface);
        color: var(--text-secondary);

        font: inherit;
        font-size: 12px;

        cursor: pointer;

        transition:
            background .15s ease,
            border-color .15s ease,
            color .15s ease;
    }

    .mobile-theme-options button:hover {
        background: var(--surface-soft);
        border-color: var(--border-strong);
        color: var(--text);
    }

    .mobile-theme-options button.active {
        background: var(--accent-soft);
        border-color: var(--accent-border);
        color: var(--accent);
    }


    /* =====================================================
       CONTA MOBILE
       ===================================================== */

    .mobile-auth {
        display: grid;

        grid-template-columns: 1fr 1fr;

        gap: 8px;

        margin-top: 2px;
        padding: 14px 8px 0;
    }

    .mobile-auth > a:not(.button) {
        min-height: 40px;

        display: flex;
        align-items: center;
        justify-content: center;

        border: 1px solid var(--border);
        border-radius: 6px;

        color: var(--text);

        text-decoration: none;

        font-size: 13px;
        font-weight: 500;

        transition:
            background .15s ease,
            border-color .15s ease;
    }

    .mobile-auth > a:not(.button):hover {
        background: var(--surface-soft);
        border-color: var(--border-strong);
    }

    .mobile-auth .button {
        min-height: 40px;

        display: flex;
        align-items: center;
        justify-content: center;

        margin: 0;

        border-radius: 6px;

        font-size: 13px;
    }


    /* =====================================================
       HERO
       ===================================================== */

    .hero-content {
        width: calc(100% - 28px);

        padding: 72px 0 76px;
    }

    .hero::after {
        width: 280px;
        height: 280px;

        right: -160px;
    }

    .hero h1 {
        font-size: clamp(40px, 12vw, 54px);
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;

        max-width: 300px;
    }


    /* =====================================================
       SEÇÕES
       ===================================================== */

    .tools-section,
    .features-section,
    .cta-section,
    .footer-main,
    .footer-bottom {
        width: calc(100% - 28px);
    }

    .tools-section {
        padding-top: 76px;
        padding-bottom: 85px;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;

        gap: 12px;
    }

    .section-heading h2 {
        font-size: 26px;
    }


    /* =====================================================
       FERRAMENTAS
       ===================================================== */

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        min-height: 245px;
    }


    /* =====================================================
       FEATURES
       ===================================================== */

    .features-section {
        padding-bottom: 80px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-item {
        min-height: auto;

        border-right: none;
        border-bottom: 1px solid var(--border);
    }

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


    /* =====================================================
       CTA
       ===================================================== */

    .cta-section {
        margin-bottom: 70px;

        padding: 34px 26px;

        align-items: flex-start;
        flex-direction: column;
    }

    .cta-section h2 {
        font-size: 24px;
    }


    /* =====================================================
       FOOTER
       ===================================================== */

    .footer-main {
        min-height: auto;

        padding: 30px 0;

        align-items: flex-start;
        flex-direction: column;

        gap: 32px;
    }

    .footer-brand {
        max-width: 280px;
    }

    .footer-links {
        width: 100%;

        display: grid;

        grid-template-columns:
            repeat(2, minmax(0, 1fr));

        gap: 28px 24px;

        align-items: flex-start;
    }

    .footer-column {
        display: flex;
        flex-direction: column;

        gap: 8px;
    }

    .footer-column h3 {
        margin: 0 0 3px;

        color: var(--text);

        font-size: 13px;
        font-weight: 600;
    }

    .footer-column a {
        color: var(--text-secondary);

        font-size: 13px;
        line-height: 1.5;

        text-decoration: none;

        transition: color .15s ease;
    }

    .footer-column a:hover {
        color: var(--link);
    }

    .footer-bottom {
        min-height: auto;

        padding: 18px 0;

        align-items: flex-start;
        flex-direction: column;

        gap: 7px;
    }
}


/* =========================================================
   SMALL PHONES
   ========================================================= */

@media (max-width: 420px) {

    .header-inner,
    .hero-content,
    .tools-section,
    .features-section,
    .cta-section,
    .footer-main,
    .footer-bottom {
        width: calc(100% - 22px);
    }

    .header-inner {
        padding: 0 14px;
    }

    .logo img {
        width: 140px;
    }

    .mobile-menu-inner {
        padding-left: 14px;
        padding-right: 14px;
    }

    .mobile-theme-options {
        grid-template-columns: 1fr;
    }

    .mobile-theme-options button {
        justify-content: flex-start;

        padding: 0 12px;
    }

    .hero-content {
        padding-top: 58px;
    }

    .hero h1 {
        font-size: 37px;
    }

    .primary-button,
    .secondary-button {
        width: 100%;
    }

    .tool-card {
        padding: 19px;
    }
}

.tool-card[hidden] {
    display: none !important;
}