/* SLComércio ERP — Landing page institucional
   CSS puro, sem framework, mobile-first. */

:root {
    --color-primary: #2954e4;
    --color-primary-dark: #1c3fb0;
    --color-primary-light: #eef2fe;
    --color-ink: #0b1220;
    --color-ink-soft: #4b5568;
    --color-ink-faint: #8791a8;
    --color-bg: #ffffff;
    --color-bg-alt: #f6f8fc;
    --color-border: #e2e6ef;
    --color-success: #1fa855;
    --color-whatsapp: #25d366;
    --color-whatsapp-dark: #1ebe5b;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;

    --shadow-sm: 0 1px 2px rgba(11, 18, 32, .06);
    --shadow-md: 0 8px 24px rgba(11, 18, 32, .08);
    --shadow-lg: 0 24px 48px rgba(11, 18, 32, .14);

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-ink);
    background: var(--color-bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; }

p { margin: 0 0 1em; color: var(--color-ink-soft); }

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

.visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ---------- Botões ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: .95rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

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

.btn--ghost {
    background: transparent;
    color: var(--color-ink);
    border-color: var(--color-border);
}
.btn--ghost:hover { background: var(--color-bg-alt); }

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

.btn--lg { padding: 15px 30px; font-size: 1.05rem; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-ink);
}
.brand:hover { text-decoration: none; }

.brand__mark {
    width: 34px; height: 34px;
    border-radius: 8px;
    background: #fff;
    object-fit: contain;
    padding: 2px;
    box-sizing: border-box;
    flex-shrink: 0;
}

.nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
    cursor: pointer;
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
    display: block;
    width: 18px; height: 2px;
    background: var(--color-ink);
    position: relative;
    transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bar::before { top: -6px; }
.nav-toggle__bar::after { top: 6px; }

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

.main-nav__links {
    list-style: none;
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0;
}
.main-nav__links a {
    color: var(--color-ink-soft);
    font-weight: 500;
    font-size: .95rem;
}
.main-nav__links a:hover { color: var(--color-primary); }

.main-nav__cta { display: flex; gap: 10px; }

@media (max-width: 860px) {
    .nav-toggle { display: inline-flex; }
    .main-nav {
        position: fixed;
        inset: 66px 0 auto 0;
        background: #fff;
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        align-items: stretch;
        padding: 18px 20px 24px;
        gap: 18px;
        box-shadow: var(--shadow-md);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: transform .18s ease, opacity .18s ease;
    }
    .main-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .main-nav__links {
        flex-direction: column;
        gap: 14px;
    }
    .main-nav__cta { flex-direction: column; }
}

@media (min-width: 861px) {
    .nav-toggle { display: none; }
}

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

.hero {
    padding: 72px 0 64px;
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, #fff 100%);
}

.hero__inner {
    display: grid;
    gap: 40px;
    align-items: center;
}

@media (min-width: 960px) {
    .hero__inner { grid-template-columns: 1.05fr .95fr; gap: 56px; }
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 600;
    font-size: .8rem;
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(1.9rem, 4vw, 2.7rem);
    letter-spacing: -.02em;
}

.hero__lead {
    font-size: 1.08rem;
    max-width: 46ch;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.hero__meta {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: .85rem;
    color: var(--color-ink-faint);
}
.hero__meta li { list-style: none; display: flex; align-items: center; gap: 6px; }
.hero__meta { padding: 0; }

/* Mockup ilustrativo da tela do sistema (sem screenshots reais) */
.device-mock {
    background: var(--color-ink);
    border-radius: var(--radius-lg);
    padding: 10px;
    box-shadow: var(--shadow-lg);
}
.device-mock__bar {
    display: flex;
    gap: 6px;
    padding: 6px 8px 12px;
}
.device-mock__bar span {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,.25);
}
.device-mock__screen {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 18px;
    min-height: 260px;
}
.device-mock__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-alt);
    margin-bottom: 8px;
    font-size: .82rem;
    color: var(--color-ink-soft);
}
.device-mock__row strong { color: var(--color-ink); }
.device-mock__row--total {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 700;
}

/* ---------- Process cards (visão do processo, não screenshot) ---------- */

.process-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 26px 24px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.process-card__icon {
    width: 40px; height: 40px;
    border-radius: 11px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px;
}
.process-card__icon--primary { background: var(--color-primary-light); color: var(--color-primary); }

.process-card__title {
    font-size: 1.02rem;
    margin-bottom: 16px;
}

.receipt-list {
    list-style: none;
    margin: 0 0 10px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 9px;
}
.receipt-list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: .9rem;
    color: var(--color-ink-soft);
    padding-bottom: 9px;
    border-bottom: 1px dashed var(--color-border);
}
.receipt-list li strong { color: var(--color-ink); font-weight: 600; }

.receipt-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 4px 0 18px;
    font-weight: 700;
}
.receipt-total span { font-size: .85rem; color: var(--color-ink-soft); font-weight: 500; }
.receipt-total strong { font-size: 1.3rem; color: var(--color-primary-dark); }

.stock-row {
    display: grid;
    grid-template-columns: 84px 1fr auto;
    align-items: center;
    gap: 10px;
    font-size: .85rem;
    color: var(--color-ink-soft);
    margin-bottom: 12px;
}
.stock-row strong { color: var(--color-ink); font-size: .88rem; text-align: right; }
.stock-bar {
    height: 8px;
    border-radius: 999px;
    background: var(--color-bg-alt);
    overflow: hidden;
}
.stock-bar__fill {
    height: 100%;
    border-radius: 999px;
    background: var(--color-success);
}
.stock-bar__fill--low { background: #d97706; }

.status-list {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 9px;
}
.status-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .9rem;
    color: var(--color-ink-soft);
    padding-bottom: 9px;
    border-bottom: 1px dashed var(--color-border);
}
.status-badge {
    font-size: .74rem;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 999px;
}
.status-badge--ok { background: rgba(31, 168, 85, .12); color: var(--color-success); }
.status-badge--pending { background: rgba(217, 119, 6, .12); color: #d97706; }

.process-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    margin-top: auto;
    font-size: .78rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 999px;
}
.process-badge--success { background: rgba(31, 168, 85, .12); color: var(--color-success); }
.process-badge--warning { background: rgba(217, 119, 6, .12); color: #d97706; }

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

section { padding: 68px 0; }

.section-header {
    max-width: 640px;
    margin: 0 auto 40px;
    text-align: center;
}
.section-title { font-size: clamp(1.5rem, 3vw, 2rem); }
.section-subtitle { font-size: 1.02rem; }

.bg-alt { background: var(--color-bg-alt); }

/* ---------- Selos de confiança ---------- */

.trust-strip {
    padding: 28px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
.trust-strip__list {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 28px;
}
.trust-strip__list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .88rem;
    font-weight: 600;
    color: var(--color-ink-soft);
}
.trust-strip__list svg { flex-shrink: 0; color: var(--color-success); }

/* ---------- Grid de funcionalidades ---------- */

.features-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: 1fr;
}
@media (min-width: 640px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }

.feature-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 26px 22px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .15s ease, transform .15s ease;
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.feature-card__icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}

.feature-card h3 { font-size: 1.05rem; }
.feature-card p { font-size: .92rem; margin-bottom: .6em; }
.feature-card__link { font-size: .88rem; font-weight: 600; }

/* ---------- Preços ---------- */

.pricing__points-title,
.pricing__cycle-title {
    text-align: center;
    font-size: 1.05rem;
    margin-bottom: 4px;
}
.pricing__points-hint {
    text-align: center;
    font-size: .88rem;
    margin-bottom: 20px;
}

.pricing__points-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: 1fr;
    max-width: 760px;
    margin: 0 auto 12px;
}
@media (min-width: 640px) { .pricing__points-grid { grid-template-columns: repeat(3, 1fr); } }

.pricing__point-card {
    position: relative;
    background: #fff;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.pricing__point-card:hover { border-color: var(--color-primary); }
.pricing__point-card[aria-pressed="true"] {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}
.pricing__point-qty { font-size: 1.6rem; font-weight: 800; color: var(--color-ink); }
.pricing__point-label { font-size: .82rem; color: var(--color-ink-soft); }
.pricing__point-base { font-size: .88rem; font-weight: 600; color: var(--color-primary-dark); margin-top: 6px; }
.pricing__point-badge {
    position: absolute;
    top: -11px; left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #fff;
    font-size: .68rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    white-space: nowrap;
}

.pricing__extra-point {
    text-align: center;
    font-size: .88rem;
    margin: 4px 0 36px;
}

.pricing__cycle-tabs {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, 1fr);
    max-width: 620px;
    margin: 0 auto;
}
@media (min-width: 640px) { .pricing__cycle-tabs { grid-template-columns: repeat(4, 1fr); } }

.pricing__cycle-tab {
    position: relative;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px 8px;
    text-align: center;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.pricing__cycle-tab:hover { border-color: var(--color-primary); }
.pricing__cycle-tab[aria-pressed="true"] {
    border-color: var(--color-primary);
    background: var(--color-primary);
}
.pricing__cycle-tab[aria-pressed="true"] .pricing__cycle-name,
.pricing__cycle-tab[aria-pressed="true"] .pricing__cycle-detail { color: #fff; }
.pricing__cycle-name { font-weight: 700; font-size: .9rem; }
.pricing__cycle-detail { font-size: .74rem; color: var(--color-ink-faint); }
.pricing__cycle-badge {
    position: absolute;
    top: -9px; right: -6px;
    background: var(--color-success);
    color: #fff;
    font-size: .66rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 999px;
}

.pricing__result {
    max-width: 420px;
    margin: 40px auto 0;
    text-align: center;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 30px 26px;
    box-shadow: var(--shadow-md);
}
.pricing__result-label { font-size: .85rem; color: var(--color-ink-soft); }
.pricing__result-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin: 4px 0 8px;
}
.pricing__result-currency { font-size: 1.1rem; font-weight: 700; color: var(--color-ink-soft); }
.pricing__result-amount { font-size: 2.6rem; font-weight: 800; }
.pricing__result-period { font-size: .95rem; color: var(--color-ink-soft); }
.pricing__result-details { font-size: .85rem; color: var(--color-ink-faint); margin-bottom: 18px; }
.pricing__result-total {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: .85rem;
    color: var(--color-ink-soft);
    margin-bottom: 18px;
    padding-top: 12px;
    border-top: 1px dashed var(--color-border);
}
.pricing__result-savings { color: var(--color-success); font-weight: 600; }
.pricing__cta { margin-top: 6px; }

.pricing__payment {
    text-align: center;
    margin-top: 36px;
}
.pricing__payment-title { font-size: .9rem; margin-bottom: 12px; }
.pricing__payment-methods {
    display: flex;
    justify-content: center;
    gap: 22px;
    flex-wrap: wrap;
}
.pricing__payment-method {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .85rem;
    color: var(--color-ink-soft);
}

/* ---------- FAQ ---------- */

.faq-list { max-width: 760px; margin: 0 auto; }

.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 6px 0;
}
.faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 4px;
    font-weight: 600;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+";
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--color-primary);
    flex-shrink: 0;
    transition: transform .15s ease;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 4px 16px; }

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

.contact-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: 1fr;
    max-width: 760px;
    margin: 0 auto;
}
@media (min-width: 640px) { .contact-grid { grid-template-columns: repeat(2, 1fr); } }

.contact-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 26px;
    text-align: center;
}
.contact-card__icon {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 14px;
}
.contact-card h3 { font-size: 1rem; }

/* ---------- CTA final ---------- */

.cta-banner {
    background: var(--color-ink);
    color: #fff;
    text-align: center;
    border-radius: var(--radius-lg);
    padding: 48px 24px;
    margin: 0 20px;
    max-width: calc(var(--container) - 40px);
    margin-left: auto;
    margin-right: auto;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255,255,255,.75); max-width: 50ch; margin-left: auto; margin-right: auto; }
.cta-banner__actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

/* ---------- Páginas internas ---------- */

.page-header {
    padding: 56px 0 40px;
    background: var(--color-bg-alt);
    text-align: center;
}
.page-header h1 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); }
.page-header p { max-width: 56ch; margin: 0 auto; }

.prose { max-width: 780px; margin: 0 auto; }
.prose h2 { margin-top: 1.6em; font-size: 1.3rem; }
.prose h3 { margin-top: 1.2em; font-size: 1.05rem; }
.prose ul { color: var(--color-ink-soft); }
.prose li { margin-bottom: .4em; }

.module-detail {
    display: grid;
    gap: 16px;
    padding: 28px 0;
    border-bottom: 1px solid var(--color-border);
}
.module-detail:last-child { border-bottom: none; }
.module-detail h2 { display: flex; align-items: center; gap: 12px; font-size: 1.25rem; }
.module-detail__icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.module-detail ul { columns: 1; margin: 0; padding-left: 1.1em; color: var(--color-ink-soft); font-size: .95rem; }
@media (min-width: 760px) { .module-detail ul { columns: 2; column-gap: 32px; } }
.module-detail li { break-inside: avoid; margin-bottom: .5em; }

/* ---------- Footer ---------- */

.site-footer {
    background: var(--color-ink);
    color: rgba(255,255,255,.7);
    padding: 48px 0 28px;
    margin-top: 60px;
}
.footer-grid {
    display: grid;
    gap: 32px;
    grid-template-columns: 1fr;
}
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; } }

.footer-brand .brand { color: #fff; }
.footer-brand p { color: rgba(255,255,255,.55); font-size: .88rem; margin-top: 10px; max-width: 40ch; }

.footer-col h4 { color: #fff; font-size: .92rem; margin-bottom: 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,.65); font-size: .9rem; }
.footer-col a:hover { color: #fff; }

.site-footer__bottom {
    border-top: 1px solid rgba(255,255,255,.12);
    margin-top: 36px;
    padding-top: 20px;
    text-align: center;
    font-size: .8rem;
    color: rgba(255,255,255,.45);
}

/* ---------- Novidades (changelog) ---------- */

.changelog-version {
    padding: 40px 0;
    border-bottom: 1px solid var(--color-border);
}
.changelog-version:last-child { border-bottom: none; }

.changelog-version__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 16px;
    margin-bottom: 22px;
}
.changelog-version__title { font-size: 1.4rem; margin: 0; }
.changelog-version__date {
    font-size: .85rem;
    color: var(--color-ink-faint);
    font-weight: 600;
}
.changelog-version__count {
    font-size: .82rem;
    color: var(--color-ink-faint);
    margin-left: auto;
}

.changelog-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.changelog-item {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 14px;
}
.changelog-item p { margin: 2px 0 0; }
.changelog-area { color: var(--color-ink-faint); font-weight: 600; }
.changelog-lead { font-weight: 600; color: var(--color-ink); }

.changelog-tag {
    align-self: start;
    font-size: .66rem;
    font-weight: 700;
    letter-spacing: .03em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
    text-align: center;
    white-space: nowrap;
}
.changelog-tag--novo { background: var(--color-primary-light); color: var(--color-primary-dark); }
.changelog-tag--corrigido { background: rgba(31, 168, 85, .12); color: var(--color-success); }
.changelog-tag--melhorado { background: rgba(217, 119, 6, .12); color: #d97706; }

@media (max-width: 560px) {
    .changelog-item { grid-template-columns: 1fr; gap: 6px; }
    .changelog-tag { width: fit-content; }
    .changelog-version__count { margin-left: 0; }
}

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

.whatsapp-float {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 90;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--color-whatsapp);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-lg);
}
.whatsapp-float:hover { background: var(--color-whatsapp-dark); }