/* Nutrivale Food Service — landing styles (Nive Sistemas) */

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

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.6;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }

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

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--ink);
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: 0 0 var(--r-sm) 0;
    z-index: 200;
}
.skip-link:focus { left: 0; }

/* ============================================================= Layout */
.sb-container {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: 1.25rem;
}

@media (min-width: 768px) {
    .sb-container { padding-inline: 2rem; }
}

.sb-section { padding-block: var(--s-7); }
.sb-section--paper { background: var(--paper-2); }
.sb-section--ink { background: var(--ink); color: var(--paper); }

@media (min-width: 768px) {
    .sb-section { padding-block: var(--s-8); }
}

.sb-display { font-family: var(--font-display); }

/* ============================================================= Section head */
.sb-head { max-width: 46rem; margin-bottom: var(--s-6); }
.sb-head--center { margin-inline: auto; text-align: center; }

.sb-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--brand);
    margin-bottom: 0.9rem;
}
.sb-kicker::before {
    content: "";
    width: 1.6rem;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
}
.sb-head--center .sb-kicker::before { display: none; }

.sb-title {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-size: clamp(1.7rem, 1.1rem + 2.6vw, 2.6rem);
}

.sb-lead {
    margin-top: 1rem;
    color: var(--ink-70);
    font-size: 1.05rem;
    max-width: 42rem;
}
.sb-head--center .sb-lead { margin-inline: auto; }

/* ============================================================= Buttons */
.sb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.5rem;
    border-radius: var(--r-full);
    font-weight: 600;
    font-size: 0.98rem;
    border: 1px solid transparent;
    transition: transform var(--t-fast), box-shadow var(--t), background var(--t), color var(--t);
    will-change: transform;
    text-align: center;
}
.sb-btn:hover { transform: translateY(-2px); }
.sb-btn:active { transform: translateY(0); }

.sb-btn--brand {
    background: var(--brand);
    color: var(--on-brand);
    box-shadow: var(--sh-brand);
}
.sb-btn--brand:hover { background: var(--brand-strong); }

.sb-btn--ghost {
    background: transparent;
    border-color: var(--ink-12);
    color: var(--ink);
}
.sb-btn--ghost:hover { border-color: var(--ink); background: var(--ink-06); }

.sb-btn--on-dark {
    background: transparent;
    border-color: rgba(247, 246, 241, 0.28);
    color: var(--paper);
}
.sb-btn--on-dark:hover { border-color: var(--paper); background: rgba(247, 246, 241, 0.08); }

.sb-btn--lg { padding: 1.05rem 2rem; font-size: 1.05rem; }
.sb-btn--block { width: 100%; }

.sb-ico { width: 1.25em; height: 1.25em; flex: none; }

/* ============================================================= Header */
/* Concept project banner */
.concept-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 120;
    height: var(--concept-banner-h);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.75rem;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: #1a1c1a;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1;
}

.sb-header {
    position: fixed;
    inset: var(--concept-banner-h) 0 auto 0;
    z-index: 100;
    height: var(--header-h);
    display: flex;
    align-items: center;
    transition: background var(--t), box-shadow var(--t), border-color var(--t);
    border-bottom: 1px solid transparent;
}
.sb-header.is-scrolled {
    background: rgba(247, 246, 241, 0.85);
    backdrop-filter: saturate(140%) blur(12px);
    -webkit-backdrop-filter: saturate(140%) blur(12px);
    border-bottom-color: var(--line);
    box-shadow: var(--sh-sm);
}

.sb-nav {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.sb-brand { display: inline-flex; align-items: center; gap: 0.65rem; }
.sb-brand__mark {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: var(--brand);
    color: var(--on-brand);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: -0.02em;
    box-shadow: var(--sh-brand);
}
.sb-brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.sb-brand__name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.02rem;
    letter-spacing: -0.01em;
}
.sb-brand__tag {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-52);
}

.sb-nav__links { display: none; }
.sb-nav__cta { display: none; }

@media (min-width: 960px) {
    .sb-nav__links {
        display: flex;
        align-items: center;
        gap: 0.35rem;
        margin-left: auto;
        margin-right: 1rem;
    }
    .sb-nav__link {
        padding: 0.5rem 0.85rem;
        border-radius: var(--r-full);
        font-size: 0.92rem;
        font-weight: 500;
        color: var(--ink-70);
        transition: color var(--t-fast), background var(--t-fast);
    }
    .sb-nav__link:hover { color: var(--ink); background: var(--ink-06); }
    .sb-nav__link.is-active { color: var(--brand); background: var(--brand-soft); }
    .sb-nav__cta { display: inline-flex; }
}

.sb-burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.6rem;
    height: 2.6rem;
    border-radius: var(--r-sm);
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--ink);
}
@media (min-width: 960px) { .sb-burger { display: none; } }

/* ============================================================= Drawer (mobile menu) */
.sb-drawer {
    position: fixed;
    inset: 0;
    z-index: 150;
    visibility: hidden;
    pointer-events: none;
}
.sb-drawer.is-open { visibility: visible; pointer-events: auto; }

.sb-drawer__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(23, 32, 27, 0.4);
    opacity: 0;
    transition: opacity var(--t);
}
.sb-drawer.is-open .sb-drawer__backdrop { opacity: 1; }

.sb-drawer__panel {
    position: absolute;
    inset: 0 0 0 auto;
    width: min(88vw, 360px);
    background: var(--paper);
    padding: 1.25rem 1.25rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transform: translateX(100%);
    transition: transform var(--t);
    overflow-y: auto;
}
.sb-drawer.is-open .sb-drawer__panel { transform: translateX(0); }

.sb-drawer__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sb-drawer__title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
}
.sb-drawer__links { display: flex; flex-direction: column; }
.sb-drawer__link {
    padding: 0.85rem 0.5rem;
    font-size: 1.05rem;
    font-weight: 500;
    border-bottom: 1px solid var(--line);
    transition: color var(--t-fast);
}
.sb-drawer__link:hover { color: var(--brand); }

/* ============================================================= Hero */
.sb-hero {
    position: relative;
    padding-top: calc(var(--header-h) + var(--concept-banner-h) + var(--s-6));
    padding-bottom: var(--s-7);
    overflow: hidden;
}
.sb-hero__inner {
    display: grid;
    gap: var(--s-6);
    align-items: center;
}

@media (min-width: 960px) {
    .sb-hero {
        padding-top: calc(var(--header-h) + var(--concept-banner-h) + var(--s-7));
        padding-bottom: var(--s-8);
    }
    .sb-hero__inner { grid-template-columns: 1.05fr 0.95fr; gap: var(--s-7); }
}

.sb-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.4rem 0.85rem 0.4rem 0.55rem;
    border-radius: var(--r-full);
    background: var(--surface);
    border: 1px solid var(--line);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--ink-70);
    box-shadow: var(--sh-sm);
}
.sb-eyebrow__dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 4px var(--brand-12);
}

.sb-hero__title {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -0.025em;
    font-size: clamp(2.15rem, 1.2rem + 4.4vw, 3.7rem);
    margin-top: 1.25rem;
}
.sb-hero__title em {
    font-style: normal;
    color: var(--brand);
}
.sb-hero__sub {
    margin-top: 1.35rem;
    font-size: 1.12rem;
    color: var(--ink-70);
    max-width: 34rem;
}

.sb-hero__actions {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}
@media (max-width: 480px) {
    .sb-hero__actions .sb-btn { width: 100%; }
}

.sb-hero__chips {
    margin-top: 2.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.sb-chip {
    padding: 0.4rem 0.9rem;
    border-radius: var(--r-full);
    background: var(--surface);
    border: 1px solid var(--line);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ink-70);
}
.sb-hero__chips-label {
    width: 100%;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-52);
    margin-bottom: 0.15rem;
}

/* Hero visual — placeholder 100% CSS */
.sb-hero__visual {
    position: relative;
    aspect-ratio: 5 / 4;
    border-radius: var(--r-lg);
    background:
        radial-gradient(120% 120% at 15% 12%, var(--brand-soft) 0%, transparent 55%),
        linear-gradient(155deg, #ffffff 0%, var(--paper-2) 100%);
    border: 1px solid var(--line);
    box-shadow: var(--sh-md);
    overflow: hidden;
}
.sb-hero__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}
.sb-hero__visual::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(to top, rgba(23, 32, 27, 0.42) 0%, rgba(23, 32, 27, 0) 42%);
}
.sb-hero__badge {
    position: absolute;
    z-index: 2;
    left: 8%;
    bottom: 9%;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 0.85rem 1.1rem;
    box-shadow: var(--sh-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 74%;
}
.sb-hero__badge-ico {
    width: 2.5rem;
    height: 2.5rem;
    flex: none;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--brand-soft);
    color: var(--brand);
}
.sb-hero__badge-ico .sb-ico { width: 1.4rem; height: 1.4rem; }
.sb-hero__badge strong { font-family: var(--font-display); font-size: 0.98rem; display: block; }
.sb-hero__badge span { font-size: 0.82rem; color: var(--ink-52); }

/* ============================================================= Differentials */
.sb-diffs {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}
@media (min-width: 560px) { .sb-diffs { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .sb-diffs { grid-template-columns: repeat(3, 1fr); } }

.sb-diff {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 1.6rem;
    transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.sb-diff:hover {
    transform: translateY(-4px);
    box-shadow: var(--sh-md);
    border-color: var(--brand-24);
}
.sb-diff__icon {
    width: 3rem;
    height: 3rem;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: var(--brand-soft);
    color: var(--brand);
    margin-bottom: 1.15rem;
}
.sb-diff__icon .sb-ico { width: 1.55rem; height: 1.55rem; }
.sb-diff h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.12rem;
    margin-bottom: 0.45rem;
}
.sb-diff p { color: var(--ink-70); font-size: 0.96rem; }

/* ============================================================= Categories */
.sb-cats {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 720px) { .sb-cats { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .sb-cats { grid-template-columns: repeat(4, 1fr); } }

.sb-cat {
    position: relative;
    border-radius: var(--r-md);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--surface);
    transition: transform var(--t), box-shadow var(--t);
}
.sb-cat:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }

.sb-cat__ph {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--paper-2);
}
.sb-cat__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--t);
}
.sb-cat:hover .sb-cat__img { transform: scale(1.05); }
.sb-cat__icon {
    position: absolute;
    z-index: 1;
    left: 0.7rem;
    top: 0.7rem;
    width: 2.2rem;
    height: 2.2rem;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: rgba(247, 246, 241, 0.92);
    color: var(--brand);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    box-shadow: var(--sh-sm);
}
.sb-cat__icon .sb-ico { width: 1.35rem; height: 1.35rem; }
.sb-cat__body { padding: 1.05rem 1.15rem 1.25rem; }
.sb-cat__body h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.02rem;
    margin-bottom: 0.3rem;
}
.sb-cat__body p { color: var(--ink-70); font-size: 0.88rem; }

.sb-section__cta { margin-top: var(--s-6); display: flex; justify-content: center; }

/* ============================================================= Structure gallery */
.sb-structure {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}
@media (min-width: 720px) { .sb-structure { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .sb-structure { grid-template-columns: repeat(3, 1fr); } }

.sb-structure__item {
    position: relative;
    margin: 0;
    border-radius: var(--r-md);
    overflow: hidden;
    border: 1px solid var(--line);
    aspect-ratio: 4 / 3;
    box-shadow: var(--sh-sm);
}
.sb-structure__item--wide { grid-column: 1 / -1; aspect-ratio: 16 / 8; }
@media (min-width: 720px) { .sb-structure__item { aspect-ratio: 5 / 4; } }
@media (min-width: 960px) { .sb-structure__item--wide { aspect-ratio: 16 / 6; } }

.sb-structure__item img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--t);
}
.sb-structure__item:hover img { transform: scale(1.04); }
.sb-structure__item figcaption {
    position: absolute;
    inset: auto 0 0 0;
    z-index: 1;
    padding: 1.5rem 1.15rem 1.1rem;
    color: #fff;
    background: linear-gradient(to top, rgba(23, 32, 27, 0.82) 0%, rgba(23, 32, 27, 0) 100%);
}
.sb-structure__item figcaption strong {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    display: block;
}
.sb-structure__item figcaption span {
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.82);
}

/* ============================================================= Proof / social */
.sb-stats {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, 1fr);
    margin-bottom: var(--s-6);
}
@media (min-width: 768px) { .sb-stats { grid-template-columns: repeat(4, 1fr); } }

.sb-stat {
    padding: 1.5rem 1.25rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    text-align: center;
}
.sb-stat__value {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.9rem, 1.3rem + 2.4vw, 2.6rem);
    line-height: 1;
    color: var(--brand);
    letter-spacing: -0.02em;
}
.sb-stat__label {
    display: block;
    margin-top: 0.6rem;
    font-size: 0.86rem;
    color: var(--ink-70);
}

.sb-brands {
    padding: 1.75rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    margin-bottom: var(--s-6);
}
.sb-brands__label {
    text-align: center;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-52);
    margin-bottom: 1.25rem;
}
.sb-brands__rail {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 1rem;
    align-items: center;
}
@media (min-width: 640px) { .sb-brands__rail { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .sb-brands__rail { grid-template-columns: repeat(6, 1fr); } }
.sb-brand-logo {
    height: 30px;
    width: auto;
    margin-inline: auto;
    opacity: 0.55;
    filter: grayscale(1);
    transition: opacity var(--t), filter var(--t);
}
.sb-brand-logo:hover { opacity: 1; filter: grayscale(0); }

.sb-quotes {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}
@media (min-width: 768px) { .sb-quotes { grid-template-columns: repeat(3, 1fr); } }

.sb-quote {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.sb-quote__stars { color: var(--brand); display: flex; gap: 0.15rem; }
.sb-quote__stars .sb-ico { width: 1rem; height: 1rem; }
.sb-quote p { color: var(--ink); font-size: 1rem; }
.sb-quote footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}
.sb-quote__avatar {
    width: 3rem;
    height: 3rem;
    flex: none;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--surface);
    box-shadow: var(--sh-sm);
}
.sb-quote__person { display: flex; flex-direction: column; }
.sb-quote cite {
    font-style: normal;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.98rem;
}
.sb-quote__person span { font-size: 0.84rem; color: var(--ink-52); }

/* ============================================================= Steps */
.sb-steps {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
    counter-reset: step;
}
@media (min-width: 820px) { .sb-steps { grid-template-columns: repeat(3, 1fr); } }

.sb-step {
    position: relative;
    padding: 1.75rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
}
.sb-step__num {
    display: inline-grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--brand);
    color: var(--on-brand);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 1.1rem;
    box-shadow: var(--sh-brand);
}
.sb-step h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}
.sb-step p { color: var(--ink-70); }
@media (min-width: 820px) {
    .sb-step:not(:last-child)::after {
        content: "";
        position: absolute;
        top: 3.25rem;
        right: -0.9rem;
        width: 1.25rem;
        height: 2px;
        background: var(--brand-24);
    }
}

/* ============================================================= FAQ */
.sb-faq {
    display: grid;
    gap: var(--s-5);
    align-items: start;
}
@media (min-width: 900px) { .sb-faq { grid-template-columns: 0.85fr 1.15fr; gap: var(--s-6); } }

.sb-faq__list { display: flex; flex-direction: column; gap: 0.75rem; }
.sb-faq__item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 0 1.35rem;
    transition: border-color var(--t), box-shadow var(--t);
}
.sb-faq__item[open] { border-color: var(--brand-24); box-shadow: var(--sh-sm); }
.sb-faq__item summary {
    list-style: none;
    cursor: pointer;
    padding: 1.15rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.02rem;
}
.sb-faq__item summary::-webkit-details-marker { display: none; }
.sb-faq__plus {
    flex: none;
    width: 1.5rem;
    height: 1.5rem;
    position: relative;
    color: var(--brand);
}
.sb-faq__plus::before,
.sb-faq__plus::after {
    content: "";
    position: absolute;
    inset: 50% 0 auto 0;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transform: translateY(-50%);
    transition: transform var(--t);
}
.sb-faq__plus::after { transform: translateY(-50%) rotate(90deg); }
.sb-faq__item[open] .sb-faq__plus::after { transform: translateY(-50%) rotate(0); }
.sb-faq__item p {
    color: var(--ink-70);
    padding-bottom: 1.25rem;
    max-width: 44rem;
}

/* ============================================================= CTA final */
.sb-cta { padding-block: var(--s-8); }
.sb-cta__inner {
    position: relative;
    overflow: hidden;
    border-radius: var(--r-lg);
    background: linear-gradient(155deg, var(--brand) 0%, var(--brand-strong) 100%);
    color: var(--on-brand);
    padding: clamp(2rem, 1rem + 5vw, 4rem);
    text-align: center;
    box-shadow: var(--sh-md);
}
.sb-cta__inner::before {
    content: "";
    position: absolute;
    width: 46%;
    aspect-ratio: 1;
    right: -8%;
    top: -30%;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
}
.sb-cta__inner::after {
    content: "";
    position: absolute;
    width: 32%;
    aspect-ratio: 1;
    left: -6%;
    bottom: -34%;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
}
.sb-cta__inner > * { position: relative; z-index: 1; }
.sb-cta h2 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.02em;
    font-size: clamp(1.7rem, 1.1rem + 2.8vw, 2.6rem);
    max-width: 20ch;
    margin-inline: auto;
}
.sb-cta p {
    margin-top: 1rem;
    color: rgba(247, 251, 248, 0.85);
    font-size: 1.08rem;
    max-width: 46ch;
    margin-inline: auto;
}
.sb-cta__actions {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    justify-content: center;
}
.sb-cta .sb-btn--brand {
    background: var(--on-brand);
    color: var(--brand-strong);
    box-shadow: 0 14px 30px -12px rgba(0, 0, 0, 0.35);
}
.sb-cta .sb-btn--brand:hover { background: #ffffff; }

/* ============================================================= Footer */
.sb-footer {
    background: var(--ink);
    color: var(--paper);
    padding-block: var(--s-7) var(--s-5);
}
.sb-footer__grid {
    display: grid;
    gap: var(--s-5);
    grid-template-columns: 1fr;
}
@media (min-width: 720px) { .sb-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; } }
@media (min-width: 960px) { .sb-footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1.1fr; } }

.sb-footer__brand { display: inline-flex; align-items: center; gap: 0.65rem; margin-bottom: 1rem; }
.sb-footer__brand .sb-brand__mark { box-shadow: none; }
.sb-footer__brand span {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
}
.sb-footer__text { color: rgba(247, 246, 241, 0.6); font-size: 0.94rem; max-width: 30ch; }

.sb-footer__col h3 {
    font-family: var(--font-display);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(247, 246, 241, 0.5);
    margin-bottom: 1rem;
    font-weight: 600;
}
.sb-footer__col a,
.sb-footer__col p {
    display: block;
    color: rgba(247, 246, 241, 0.82);
    font-size: 0.94rem;
    padding-block: 0.35rem;
    transition: color var(--t-fast);
}
.sb-footer__col a:hover { color: var(--paper); }

.sb-footer__bottom {
    margin-top: var(--s-6);
    padding-top: 1.5rem;
    border-top: 1px solid rgba(247, 246, 241, 0.12);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    justify-content: space-between;
    color: rgba(247, 246, 241, 0.5);
    font-size: 0.84rem;
}
.sb-footer__bottom a { color: rgba(247, 246, 241, 0.82); }
.sb-footer__bottom a:hover { color: var(--paper); }

/* ============================================================= WhatsApp float */
.sb-wa {
    position: fixed;
    right: 1.1rem;
    bottom: 1.1rem;
    z-index: 90;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--brand);
    color: var(--on-brand);
    box-shadow: var(--sh-brand);
    transition: transform var(--t), background var(--t);
}
.sb-wa:hover { transform: scale(1.06); background: var(--brand-strong); }
.sb-wa svg { width: 1.85rem; height: 1.85rem; }
@media (min-width: 768px) { .sb-wa { right: 1.75rem; bottom: 1.75rem; } }

/* ============================================================= Reveal */
/* Sem JS o conteúdo aparece normalmente; a animação de entrada só é
   aplicada quando o JS está ativo (classe .js no <html>). Isso evita
   página em branco caso o script não execute. */
.js [data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
    transition-delay: var(--reveal-delay, 0s);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    .js [data-reveal] { opacity: 1; transform: none; transition: none; }
    .sb-btn:hover, .sb-diff:hover, .sb-cat:hover, .sb-wa:hover { transform: none; }
}