/* Reset e configurações base */
:root {
    --switch-azul: #0b75c0;
    --switch-preto: #1c1d1e;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --white: #ffffff;
    --green-400: #34d399;
    --yellow-400: #f59e0b;
    --red-500: #ef4444;
}

* {
    box-sizing: border-box
}

html, body, #app {
    height: 100%
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--white);
    color: var(--gray-900)
}

/* Helpers básicos */
.font-sans {
    font-family: inherit
}

.text-center {
    text-align: center
}

.mx-auto {
    margin-left: auto;
    margin-right: auto
}

.container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem
}

.max-w-7xl {
    max-width: 1280px
}

.max-w-4xl {
    max-width: 672px
}

.max-w-md {
    max-width: 28rem
}

.min-h-screen {
    min-height: 100vh
}

.antialiased {
    -webkit-font-smoothing: antialiased
}

/* Layout primitives */
.flex {
    display: flex
}

.grid {
    display: grid
}

.items-center {
    align-items: center
}

.justify-between {
    justify-content: space-between
}

.justify-center {
    justify-content: center
}

.flex-col {
    flex-direction: column
}

.gap-1 {
    gap: .25rem
}

.gap-2 {
    gap: .5rem
}

.gap-3 {
    gap: .75rem
}

.gap-4 {
    gap: 1rem
}

.gap-8 {
    gap: 2rem
}

.p-4 {
    padding: 1rem
}

.p-6 {
    padding: 1.5rem
}

.p-8 {
    padding: 2rem
}

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem
}

.py-3 {
    padding-top: .75rem;
    padding-bottom: .75rem
}

.py-20 {
    padding-top: 5rem;
    padding-bottom: 5rem
}

.py-24 {
    padding-top: 6rem;
    padding-bottom: 6rem
}

.mt-2 {
    margin-top: .5rem
}

.mt-3 {
    margin-top: .75rem
}

.mt-4 {
    margin-top: 1rem
}

.mt-6 {
    margin-top: 1.5rem
}

.mt-10 {
    margin-top: 2.5rem
}

.mb-4 {
    margin-bottom: 1rem
}

.mb-6 {
    margin-bottom: 1.5rem
}

.w-full {
    width: 100%
}

.max-w-md {
    max-width: 28rem
}

.rounded-xl {
    border-radius: .75rem
}

.rounded-2xl {
    border-radius: 1rem
}

.rounded-3xl {
    border-radius: 1.5rem
}

.rounded-full {
    border-radius: 9999px
}

/* Typography */
.text-xs {
    font-size: .75rem
}

.text-sm {
    font-size: .875rem
}

.text-lg {
    font-size: 1.125rem
}

.text-4xl {
    font-size: 2.25rem;
    line-height: 1
}

.text-6xl {
    font-size: 3.75rem;
    line-height: 1
}

.font-bold {
    font-weight: 700
}

.font-black {
    font-weight: 900
}

.tracking-tight {
    letter-spacing: -0.01em
}

/* Colors (utilitários usados) */
.text-switchAzul {
    color: var(--switch-azul)
}

.bg-switchAzul {
    background-color: var(--switch-azul)
}

.text-switchPreto {
    color: var(--switch-preto)
}

.bg-switchPreto {
    background-color: var(--switch-preto)
}

.text-gray-900 {
    color: #111827
}

.text-gray-600 {
    color: var(--gray-600)
}

.text-gray-500 {
    color: var(--gray-500)
}

.text-gray-400 {
    color: var(--gray-400)
}

.bg-white {
    background-color: var(--white)
}

.bg-amber-50 {
    background-color: #fff7ed
}

.text-amber-800 {
    color: #92400e
}

.bg-emerald-50 {
    background-color: #ecfdf5
}

.text-emerald-600 {
    color: #059669
}

.bg-blue-50 {
    background-color: #eff6ff
}

/* Borders & shadows */
.border {
    border: 1px solid var(--gray-200)
}

.border-amber-100 {
    border-color: #fef3c7
}

.border-gray-100 {
    border-color: var(--gray-100)
}

.border-gray-200 {
    border-color: var(--gray-200)
}

.border-gray-800 {
    border-color: #1f2937
}

.border-dashed {
    border-style: dashed
}

.shadow-sm {
    box-shadow: 0 1px 2px rgba(0,0,0,0.04)
}

.shadow-2xl {
    box-shadow: 0 25px 50px rgba(0,0,0,0.08)
}

.shadow-md {
    box-shadow: 0 8px 30px rgba(3,7,18,0.08)
}

/* Specific layouts from page */
header.sticky {
    position: sticky;
    top: 0;
    z-index: 50
}

.header-base {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(6px)
}

nav.hidden {
    display: none
}

/* Buttons/links */
a {
    text-decoration: none;
    color: inherit
}

.btn-primary {
    background: var(--switch-azul);
    color: #fff;
    padding: .75rem 2rem;
    border-radius: .75rem;
    display: inline-block
}

.btn-outline {
    border: 1px solid var(--gray-200);
    padding: .75rem 2rem;
    border-radius: .75rem;
    background: #fff;
    color: var(--gray-700)
}

/* FORM */
input[type="text"], input[type="email"], input[type="tel"] {
    padding: 1rem;
    border-radius: 1rem;
    border: 1px solid #1f2937;
    background: #fff;
    width: 100%;
    font-size: 1rem
}

.focus\:outline-switchAzul:focus {
    outline: 2px solid rgba(11,117,192,0.15);
    box-shadow: 0 0 0 3px rgba(11,117,192,0.08)
}

/* Small utility classes used inline in page */
.inline-flex {
    display: inline-flex
}

.items-start {
    align-items: flex-start
}

.font-mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", "Courier New", monospace
}

.uppercase {
    text-transform: uppercase
}

.tracking-widest {
    letter-spacing: .12em
}

/* Responsive breakpoints: md = 768px, lg = 1024px */
@media (min-width: 768px) {
    .md\\:flex {
        display: flex
    }

    .md\\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0,1fr))
    }

    .md\\:text-4xl {
        font-size: 2.25rem
    }

    nav.hidden.md\\:flex {
        display: flex
    }
}

/* grid helper used on hero and cards */
.grid.md\\:grid-cols-2 {
    grid-template-columns: 1fr
}

.grid.lg\\:grid-cols-4 {
    grid-template-columns: repeat(4,minmax(0,1fr))
}

.grid {
    gap: 2rem
}

/* Utility for small rounded circle indicators */
.w-3 {
    width: .75rem;
    height: .75rem;
    border-radius: 9999px;
    display: inline-block
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--gray-500);
    font-size: .875rem
}

/* Minor tweaks so content looks decente sem Tailwind completo */
.h-10 {
    height: 2.5rem
}

.text-2xl {
    font-size: 1.5rem
}

.text-3xl {
    font-size: 1.875rem
}

.mb-16 {
    margin-bottom: 4rem
}

.text-white {
    color: #fff
}

.bg-gray-50 {
    background: var(--gray-50)
}

.bg-gray-100 {
    background: var(--gray-100)
}

.text-yellow-400 {
    color: var(--yellow-400)
}

.text-green-400 {
    color: var(--green-400)
}

.text-red-500 {
    color: var(--red-500)
}