/* =============================================================
   RABBS — landing page. Mobile-first: base em 360px,
   media queries apenas em >=768px e >=1120px.
   ============================================================= */

:root {
    --color-bg: #0b1220;
    --color-bg-alt: #101a2e;
    --color-surface: #16233c;
    --color-border: #24344f;

    --color-primary: #2f6dff;
    --color-primary-dark: #1f52cc;
    --color-accent: #23d5a0;
    --color-whatsapp: #25d366;

    --color-text: #eef3ff;
    --color-text-muted: #a9b6cf;
    --color-danger: #ff6b6b;

    --radius: 14px;
    --radius-sm: 10px;
    --tap: 44px;

    --space-xs: .5rem;
    --space-sm: .875rem;
    --space-md: 1.25rem;
    --space-lg: 2rem;
    --space-xl: 3.5rem;

    --container: 1120px;
    --header-h: 60px;

    --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --shadow: 0 12px 32px rgba(3, 8, 20, .45);
}

*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 12px);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 var(--space-sm); letter-spacing: -.02em; }
p { margin: 0 0 var(--space-sm); }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    z-index: 100;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-accent);
    color: #04121a;
    font-weight: 700;
}
.skip-link:focus { left: var(--space-sm); top: var(--space-xs); }

.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--space-md);
}

/* ------------------------------------------------------------- Botões */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    min-height: var(--tap);
    padding: .7rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font: inherit;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color .18s ease, transform .18s ease, border-color .18s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); }

.btn--ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

.btn--whatsapp { background: var(--color-whatsapp); color: #04210f; }
.btn--whatsapp:hover { background: #1fbb59; }

.btn--lg { min-height: 52px; font-size: 1.0625rem; padding-inline: 1.5rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ------------------------------------------------------------ Cabeçalho */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(11, 18, 32, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-h);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: var(--color-text);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: .02em;
    text-decoration: none;
}
.logo:hover { text-decoration: none; }
.logo__mark { color: var(--color-accent); display: inline-flex; }
.logo__accent { color: var(--color-accent); }

.nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: var(--tap);
    height: var(--tap);
    padding: 0 10px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.nav-toggle__bar {
    display: block;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu em tela cheia no mobile.
   A animação é vertical de propósito: um translateX(100%) no estado fechado
   criaria 100vw de overflow horizontal — e, por ser position:fixed, o
   overflow-x:hidden do body não o conteria (o bloco container é o viewport). */
.site-nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-md);
    background: var(--color-bg);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: transform .22s ease, opacity .22s ease, visibility .22s;
}
.site-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }

.site-nav__list { display: flex; flex-direction: column; gap: var(--space-xs); }
.site-nav__list a {
    display: flex;
    align-items: center;
    min-height: var(--tap);
    padding: .5rem 0;
    color: var(--color-text);
    font-size: 1.125rem;
    font-weight: 600;
    border-bottom: 1px solid var(--color-border);
}
.site-nav__list a:hover { color: var(--color-accent); text-decoration: none; }
.site-nav__cta { margin-top: auto; }

/* --------------------------------------------------------------- Flash */

.flash-stack { padding-top: var(--space-md); }
.flash {
    margin: 0 0 var(--space-xs);
    padding: .75rem 1rem;
    border-radius: var(--radius-sm);
    border-left: 4px solid;
    font-weight: 500;
}
.flash--success { background: rgba(35, 213, 160, .12); border-color: var(--color-accent); }
.flash--error { background: rgba(255, 107, 107, .12); border-color: var(--color-danger); }

/* ---------------------------------------------------------------- Hero */

.hero {
    padding: var(--space-xl) 0 var(--space-lg);
    background:
        radial-gradient(1100px 480px at 50% -10%, rgba(47, 109, 255, .28), transparent 70%),
        radial-gradient(700px 380px at 90% 10%, rgba(35, 213, 160, .14), transparent 70%);
}

.hero__eyebrow {
    color: var(--color-accent);
    font-size: .8125rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.hero__title { font-size: clamp(2rem, 8vw, 2.75rem); margin-bottom: var(--space-md); }

.hero__subtitle {
    max-width: 46ch;
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    margin-bottom: var(--space-lg);
}

.hero__actions { display: flex; flex-direction: column; gap: var(--space-xs); }

.hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-lg);
}
.hero__badges li {
    padding: .35rem .75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-text-muted);
    font-size: .8125rem;
}

/* ------------------------------------------------------------- Seções */

.section { padding: var(--space-xl) 0; }
.section--alt { background: var(--color-bg-alt); }

.section__eyebrow {
    color: var(--color-accent);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: .35rem;
}
.section__title { font-size: clamp(1.625rem, 6vw, 2.125rem); }
.section__lead { max-width: 55ch; color: var(--color-text-muted); margin-bottom: var(--space-lg); }

/* -------------------------------------------------------------- Cards */

.cards { display: grid; gap: var(--space-md); }

.card {
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: var(--color-primary); transform: translateY(-2px); }

.card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-sm);
    border-radius: 12px;
    background: rgba(47, 109, 255, .16);
    color: var(--color-accent);
}
.card__title { font-size: 1.125rem; }
.card__text { color: var(--color-text-muted); font-size: .9375rem; flex: 1; }
.card__link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    min-height: var(--tap);
    font-weight: 700;
}

/* -------------------------------------------------------------- Passos */

.steps { display: grid; gap: var(--space-md); counter-reset: step; }

.step {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}
.step__number {
    flex-shrink: 0;
    color: var(--color-primary);
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
}
.step__title { font-size: 1.0625rem; margin-bottom: .25rem; }
.step__text { color: var(--color-text-muted); font-size: .9375rem; margin: 0; }

/* ---------------------------------------------------------- Benefícios */

.benefits { display: grid; gap: var(--space-md); }
.benefit { display: flex; gap: var(--space-sm); }
.benefit__check {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(35, 213, 160, .16);
    color: var(--color-accent);
}
.benefit__title { font-size: 1.0625rem; margin-bottom: .25rem; }
.benefit__text { color: var(--color-text-muted); font-size: .9375rem; margin: 0; }

/* -------------------------------------------------------------- Sobre */

.about__text { max-width: 62ch; color: var(--color-text-muted); }
.about__link { display: inline-flex; align-items: center; gap: .35rem; min-height: var(--tap); font-weight: 700; }

/* ------------------------------------------------------------ Contato */

.form {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.form__honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.field { margin-bottom: var(--space-md); }
.field__label { display: block; margin-bottom: .35rem; font-size: .9375rem; font-weight: 600; }
.field__optional { color: var(--color-text-muted); font-weight: 400; }

.field__input {
    width: 100%;
    min-height: var(--tap);
    padding: .7rem .85rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font: inherit;
    /* 16px evita o zoom automático do iOS ao focar o campo */
    font-size: 1rem;
}
.field__input:focus { border-color: var(--color-primary); outline-offset: 0; }
.field__input--textarea { min-height: 110px; resize: vertical; }
.field__input::placeholder { color: #6c7c99; }

.field__error { display: block; margin-top: .3rem; color: var(--color-danger); font-size: .8125rem; min-height: 1em; }
.field--invalid .field__input { border-color: var(--color-danger); }

.form__feedback { margin: var(--space-sm) 0 0; font-weight: 600; }
.form__feedback--success { color: var(--color-accent); }
.form__feedback--error { color: var(--color-danger); }

.form__alt { margin: var(--space-sm) 0 0; color: var(--color-text-muted); font-size: .9375rem; }

/* -------------------------------------------------------------- Rodapé */

.site-footer {
    padding: var(--space-lg) 0 calc(var(--space-xl) + 20px);
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: .9375rem;
}
.site-footer__brand { color: var(--color-text); font-weight: 700; margin-bottom: .25rem; }
.site-footer__links { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-sm); }
.site-footer__links a { display: inline-flex; align-items: center; min-height: var(--tap); }
.site-footer__admin { color: var(--color-text-muted); }

/* --------------------------------------------------- WhatsApp flutuante */

.whatsapp-float {
    position: fixed;
    right: var(--space-md);
    bottom: var(--space-md);
    z-index: 40;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-whatsapp);
    color: #04210f;
    box-shadow: var(--shadow);
}
.whatsapp-float:hover { background: #1fbb59; text-decoration: none; }

/* ================================================= Tablet — >= 768px */

@media (min-width: 768px) {
    .site-header__inner { min-height: 68px; }
    :root { --header-h: 68px; }

    .nav-toggle { display: none; }

    .site-nav {
        position: static;
        flex-direction: row;
        align-items: center;
        gap: var(--space-lg);
        padding: 0;
        background: none;
        transform: none;
        opacity: 1;
        visibility: visible;
        transition: none;
    }
    .site-nav__list { flex-direction: row; gap: var(--space-md); }
    .site-nav__list a { border: none; font-size: .9375rem; min-height: auto; padding: 0; }
    .site-nav__cta { margin: 0; padding: .5rem 1rem; min-height: 40px; }

    .hero { padding: 5rem 0 var(--space-xl); }
    .hero__actions { flex-direction: row; }

    .cards { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .benefits { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }

    .form { padding: var(--space-lg); }
    .site-footer__inner { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md); }
    .site-footer__links { margin: 0 0 0 auto; }
}

/* ================================================ Desktop — >= 1120px */

@media (min-width: 1120px) {
    .hero { padding: 6.5rem 0 4.5rem; }
    .hero__title { font-size: 3.25rem; max-width: 18ch; }
    .hero__subtitle { font-size: 1.125rem; }

    .cards { grid-template-columns: repeat(4, 1fr); }
    .steps { grid-template-columns: repeat(4, 1fr); }

    .contact { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: start; }
    .contact__intro { position: sticky; top: calc(var(--header-h) + var(--space-md)); }
    .form { margin-top: 0; }

    /* O botão flutuante existe para o polegar; no desktop o CTA do topo basta. */
    .whatsapp-float { display: none; }
}

/* ------------------------------------------------------- Acessibilidade */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
}