/* ==========================================================================
   BF SISTEMAS — FOLHA DE ESTILO
   Direção: editorial, artesanal e sóbria. Papel creme, grafite e terracota.
   A curva do monograma é a assinatura gráfica do site.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. FONTES LOCAIS (variáveis)
   -------------------------------------------------------------------------- */
@font-face {
    font-family: 'Cormorant Garamond';
    src: url('assets/fonts/cormorant-garamond.woff2') format('woff2');
    font-weight: 300 700;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Cormorant Garamond';
    src: url('assets/fonts/cormorant-garamond-italic.woff2') format('woff2');
    font-weight: 500;
    font-style: italic;
    font-display: swap;
}
@font-face {
    font-family: 'Montserrat';
    src: url('assets/fonts/montserrat.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Plus Jakarta Sans';
    src: url('assets/fonts/plus-jakarta-sans.woff2') format('woff2');
    font-weight: 200 800;
    font-style: normal;
    font-display: swap;
}

/* --------------------------------------------------------------------------
   2. TOKENS
   -------------------------------------------------------------------------- */
:root {
    /* Cores da marca */
    --cream: #F3ECE3;          /* fundo papel */
    --cream-deep: #EAE0D3;     /* fundo de seções alternadas */
    --paper: #FBF8F4;          /* superfícies */
    --graphite: #3B3B3D;       /* texto e botões */
    --graphite-deep: #2A2A2C;
    --muted: #6A6461;          /* texto de apoio (AA sobre creme) */
    --terracotta: #C27560;     /* destaques grandes e decoração */
    --terracotta-text: #9A4F3C;/* destaque em texto pequeno (AA) */
    --sage: #9CAF94;
    --sand: #D8BD99;
    --line: #D3C7B8;

    /* Tipografia */
    --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
    --font-label: 'Montserrat', 'Segoe UI', sans-serif;
    --font-body: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;

    --fs-sm: clamp(0.875rem, 0.84rem + 0.15vw, 0.95rem);
    --fs-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
    --fs-lg: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
    --fs-h3: clamp(1.4rem, 1.25rem + 0.6vw, 1.75rem);
    --fs-h2: clamp(2.1rem, 1.7rem + 1.8vw, 3.25rem);
    --fs-h1: clamp(2.6rem, 1.9rem + 3.3vw, 4.75rem);

    /* Espaços */
    --s-1: 0.5rem;
    --s-2: 1rem;
    --s-3: 1.5rem;
    --s-4: 2.5rem;
    --s-5: clamp(3rem, 2rem + 4vw, 5.5rem);
    --s-6: clamp(4.5rem, 3rem + 6vw, 8rem);

    --container: 1180px;
    --radius: 3px;
    --header-h: 76px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* --------------------------------------------------------------------------
   3. BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    line-height: 1.65;
    color: var(--graphite);
    background-color: var(--cream);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Textura de papel sutil */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 100;
    opacity: 0.35;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.45 0 0 0 0 0.38 0 0 0 0 0.3 0 0 0 0.09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: var(--graphite-deep);
}

p + p { margin-top: var(--s-2); }

::selection { background: var(--sand); color: var(--graphite-deep); }

:focus-visible {
    outline: 2px solid var(--terracotta-text);
    outline-offset: 3px;
    border-radius: 1px;
}

.skip-link {
    position: absolute;
    left: var(--s-2);
    top: -100px;
    z-index: 200;
    padding: 0.75rem 1rem;
    background: var(--graphite);
    color: var(--cream);
    font-family: var(--font-label);
    font-size: var(--fs-sm);
    text-decoration: none;
}
.skip-link:focus { top: var(--s-2); }

.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* --------------------------------------------------------------------------
   4. ELEMENTOS COMPARTILHADOS
   -------------------------------------------------------------------------- */
.eyebrow {
    font-family: var(--font-label);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--terracotta-text);
    margin-bottom: var(--s-2);
}
.eyebrow--light { color: var(--sand); }

.section { padding-block: var(--s-6); }
.section--tinted { background-color: var(--cream-deep); }

.section__title { font-size: var(--fs-h2); margin-bottom: var(--s-3); }
.section__lead { font-size: var(--fs-lg); color: var(--muted); max-width: 38ch; }
.section__lead a { color: var(--terracotta-text); text-underline-offset: 3px; }

.section__head { max-width: 640px; margin-bottom: var(--s-5); }
.section__head .section__lead { max-width: 52ch; }

/* Duas colunas assimétricas */
.split {
    display: grid;
    gap: var(--s-4) var(--s-5);
    grid-template-columns: 1fr;
}
@media (min-width: 900px) {
    .split { grid-template-columns: 5fr 7fr; align-items: start; }
    .split__aside { position: sticky; top: calc(var(--header-h) + var(--s-4)); }
    .split--reverse { grid-template-columns: 5fr 7fr; }
}

/* Botões: retos, sem brilho */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 1.5rem;
    border: 1px solid var(--graphite);
    border-radius: var(--radius);
    background: var(--graphite);
    color: var(--cream);
    font-family: var(--font-label);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn:hover { background: var(--graphite-deep); border-color: var(--graphite-deep); }
.btn--lg { padding: 1.05rem 1.75rem; }
.btn--full { width: 100%; }
.btn--light { background: var(--cream); color: var(--graphite-deep); border-color: var(--cream); }
.btn--light:hover { background: var(--sand); border-color: var(--sand); }
.icon { flex-shrink: 0; }

/* Link com a curva do monograma como sublinhado */
.link-curve {
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
    font-family: var(--font-label);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--graphite-deep);
}
.link-curve::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 8px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 C 30 7, 40 1, 70 1 S 105 6, 120 1' fill='none' stroke='%23C27560' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat center / 100% 100%;
    transform-origin: left;
    transition: transform 0.4s var(--ease);
}
.link-curve:hover::after { transform: scaleX(0.6); }

/* Divisor com a curva */
.divider { display: flex; justify-content: center; color: var(--terracotta); }
.divider svg { width: 180px; }

.tag {
    display: inline-block;
    font-family: var(--font-label);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    border: 1px solid var(--line);
    padding: 0.3rem 0.6rem;
    border-radius: 2px;
    margin-bottom: var(--s-2);
}

/* --------------------------------------------------------------------------
   5. CABEÇALHO E MENU
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 50;
    height: var(--header-h);
    background-color: var(--cream);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s var(--ease);
}
.header--scrolled { border-bottom-color: var(--line); }

.header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-3);
}

.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.brand__mark { height: 40px; width: auto; }
.brand__name {
    font-family: var(--font-label);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    padding-left: 0.75rem;
    border-left: 1px solid var(--line);
}

.nav { display: flex; align-items: center; gap: var(--s-4); }
.nav__list { display: flex; gap: var(--s-3); }
.nav__link {
    font-family: var(--font-label);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-decoration: none;
    color: var(--graphite);
    padding-block: 0.4rem;
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.nav__link:hover,
.nav__link--active { color: var(--terracotta-text); border-bottom-color: currentColor; }
.nav__cta { padding: 0.7rem 1.1rem; font-size: 0.75rem; }

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    background: none;
    cursor: pointer;
    position: relative;
}
.nav-toggle__bar {
    position: absolute;
    left: 10px;
    right: 10px;
    height: 1.5px;
    background: var(--graphite);
    transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}
.nav-toggle__bar:first-child { top: 17px; }
.nav-toggle__bar:last-child { top: 26px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:first-child { top: 21px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:last-child { top: 21px; transform: rotate(-45deg); }

@media (max-width: 960px) {
    .nav-toggle { display: block; }
    .nav {
        position: fixed;
        inset: var(--header-h) 0 0 0;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: var(--s-4);
        padding: var(--s-4) clamp(1.25rem, 4vw, 2.5rem);
        background: var(--cream);
        visibility: hidden;
        opacity: 0;
        transform: translateY(-8px);
        transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0s linear 0.3s;
    }
    .nav.is-open {
        visibility: visible;
        opacity: 1;
        transform: none;
        transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
    }
    .nav__list { flex-direction: column; gap: 0; width: 100%; }
    .nav__list li { border-bottom: 1px solid var(--line); }
    .nav__link {
        display: block;
        padding-block: 1rem;
        font-family: var(--font-display);
        font-size: 1.75rem;
        font-weight: 600;
        letter-spacing: 0;
        border: 0;
    }
}

/* --------------------------------------------------------------------------
   6. HERO
   -------------------------------------------------------------------------- */
.hero {
    padding-top: calc(var(--header-h) + var(--s-5));
    padding-bottom: var(--s-6);
}
.hero__grid {
    display: grid;
    gap: var(--s-5);
    align-items: center;
}
@media (min-width: 900px) {
    .hero__grid { grid-template-columns: 7fr 5fr; }
}

.hero__title { font-size: var(--fs-h1); margin-bottom: var(--s-3); max-width: 15ch; }
.hero__title em { font-style: italic; font-weight: 500; color: var(--terracotta-text); }
.hero__lead { font-size: var(--fs-lg); color: var(--muted); max-width: 46ch; margin-bottom: var(--s-4); }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-4); }

.hero__art {
    position: relative;
    aspect-ratio: 4 / 5;
    max-width: 420px;
    width: 100%;
    justify-self: center;
}
.hero__block { position: absolute; border-radius: var(--radius); }
.hero__block--sage { inset: 0 18% 22% 0; background: var(--sage); opacity: 0.55; }
.hero__block--sand {
    inset: 14% 0 6% 16%;
    background: var(--sand);
    display: grid;
    place-items: center;
}
.hero__block--sand img { width: 58%; height: auto; }
.hero__curve {
    position: absolute;
    left: -6%;
    bottom: -2%;
    width: 80%;
    color: var(--terracotta);
}
.hero__note {
    position: absolute;
    left: 0;
    bottom: 10%;
    font-family: var(--font-label);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    line-height: 1.6;
    color: var(--graphite);
    background: var(--cream);
    padding: 0.6rem 0.8rem;
}
@media (max-width: 899px) {
    .hero__art { max-width: 320px; }
}

/* --------------------------------------------------------------------------
   7. SERVIÇOS
   -------------------------------------------------------------------------- */
.service-list { border-top: 1px solid var(--line); }
.service {
    display: grid;
    grid-template-columns: 3.5rem 1fr;
    gap: var(--s-2);
    padding-block: var(--s-4);
    border-bottom: 1px solid var(--line);
}
.service__num {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    font-weight: 500;
    color: var(--terracotta);
    line-height: 1.2;
}
.service__title { font-size: var(--fs-h3); margin-bottom: var(--s-1); }
.service p { color: var(--muted); max-width: 52ch; }

/* --------------------------------------------------------------------------
   8. CLIENTES
   -------------------------------------------------------------------------- */
.projects {
    display: grid;
    gap: var(--s-4) var(--s-3);
}
@media (min-width: 760px) {
    .projects { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1040px) {
    .projects { grid-template-columns: 1.25fr 1fr 1fr; align-items: start; }
    .project--b { margin-top: var(--s-5); }
    .project--c { margin-top: var(--s-3); }
}

.project {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.project p:not(.tag) { color: var(--muted); }
.project__title { font-size: var(--fs-h3); margin-bottom: var(--s-1); }

.project__preview {
    position: relative;
    border-radius: 4px;
    margin-bottom: var(--s-3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    text-decoration: none;
    background: #FFFFFF;
    border: 1px solid var(--line);
    box-shadow: 0 4px 16px rgba(42, 42, 44, 0.05);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.project__preview:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 36px -8px rgba(59, 59, 61, 0.16);
    border-color: var(--sand);
}

.project__browser-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.55rem 0.85rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    font-family: var(--font-label);
    color: var(--muted);
}
.project--c .project__browser-bar {
    background: #232325;
    border-bottom-color: #333336;
    color: #A09D9A;
}
.project--c .project__preview {
    background: #19191B;
    border-color: #333336;
}

.project__dots {
    display: flex;
    gap: 5px;
}
.project__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #D3C7B8;
}
.project--c .project__dot {
    background: #4A4A4E;
}

.project__url-badge {
    font-family: var(--font-label);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    opacity: 0.8;
}

.project__thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--cream);
}
.project__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.45s var(--ease);
}
.project__preview:hover .project__thumb img {
    transform: scale(1.035);
}

.project__action {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: var(--s-2);
    font-family: var(--font-label);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--terracotta-text);
    text-decoration: none;
    align-self: flex-start;
    transition: gap 0.25s var(--ease), color 0.25s var(--ease);
}
.project__action:hover {
    gap: 0.65rem;
    color: var(--graphite-deep);
}
.project__action-icon {
    transition: transform 0.25s var(--ease);
}
.project__preview:hover .project__action-icon,
.project__action:hover .project__action-icon {
    transform: translate(2px, -2px);
}

/* --------------------------------------------------------------------------
   9. COMO FUNCIONA
   -------------------------------------------------------------------------- */
.section__head--left { margin-bottom: var(--s-4); }
.process { position: relative; }
.process__line { display: none; }
.process__steps { display: grid; gap: var(--s-4); counter-reset: step; }

.step__num {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--terracotta);
    background: var(--cream-deep);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--terracotta-text);
    margin-bottom: var(--s-2);
    position: relative;
    z-index: 1;
}
.step__title { font-size: var(--fs-h3); margin-bottom: var(--s-1); }
.step p { color: var(--muted); font-size: var(--fs-sm); max-width: 34ch; }

@media (min-width: 900px) {
    .process { padding-top: 0; }
    .process__line {
        display: block;
        position: absolute;
        top: -8px;
        left: 0;
        width: 100%;
        height: 80px;
        color: var(--terracotta);
        opacity: 0.7;
    }
    .process__steps { grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }
    .step:nth-child(1) { padding-top: 36px; }
    .step:nth-child(2) { padding-top: 0; }
    .step:nth-child(3) { padding-top: 32px; }
    .step:nth-child(4) { padding-top: 4px; }
}
@media (max-width: 899px) {
    .process__steps { border-left: 1px solid var(--terracotta); padding-left: var(--s-3); margin-left: 24px; }
    .step__num { margin-left: calc(-1 * var(--s-3) - 24px); }
}

/* --------------------------------------------------------------------------
   10. O QUE ESTÁ INCLUSO
   -------------------------------------------------------------------------- */
.split--reverse .split__aside .btn { margin-top: var(--s-4); }
.included {
    display: grid;
    gap: var(--s-3);
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(1.5rem, 1rem + 2vw, 2.75rem);
}
@media (min-width: 640px) {
    .included { grid-template-columns: 1.3fr 1fr; gap: var(--s-4); }
}
.included__title {
    font-family: var(--font-label);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--graphite);
    margin-bottom: var(--s-3);
}
.check-list li,
.dash-list li {
    position: relative;
    padding-left: 1.75rem;
    padding-block: 0.55rem;
    border-bottom: 1px solid var(--cream-deep);
}
.check-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.05rem;
    width: 12px;
    height: 7px;
    border-left: 1.5px solid var(--terracotta);
    border-bottom: 1.5px solid var(--terracotta);
    transform: rotate(-45deg);
}
.included__col--muted { color: var(--muted); }
.dash-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.25rem;
    width: 12px;
    height: 1.5px;
    background: var(--line);
}
.included__note { margin-top: var(--s-3); font-size: var(--fs-sm); }

/* --------------------------------------------------------------------------
   11. QUEM FAZ
   -------------------------------------------------------------------------- */
.about {
    display: grid;
    gap: var(--s-5);
    align-items: center;
}
@media (min-width: 800px) {
    .about { grid-template-columns: 4fr 7fr; }
}
.about__photo {
    position: relative;
    width: min(100%, 300px);
    justify-self: center;
}
.about__photo::before {
    content: '';
    position: absolute;
    inset: 18px -18px -18px 18px;
    background: var(--sand);
    border-radius: var(--radius);
}
.about__photo img {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius);
    filter: saturate(0.92);
}
.about__text p:not(.eyebrow) { max-width: 56ch; }
.about__text .link-curve { margin-top: var(--s-4); }

/* --------------------------------------------------------------------------
   12. FAQ
   -------------------------------------------------------------------------- */
.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-3);
    padding-block: var(--s-3);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary h3 { font-size: clamp(1.25rem, 1.15rem + 0.45vw, 1.5rem); }
.faq__item summary::after {
    content: '';
    flex-shrink: 0;
    width: 14px;
    height: 14px;
    background:
        linear-gradient(var(--terracotta-text), var(--terracotta-text)) center / 100% 1.5px no-repeat,
        linear-gradient(var(--terracotta-text), var(--terracotta-text)) center / 1.5px 100% no-repeat;
    transition: transform 0.3s var(--ease);
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item summary:hover h3 { color: var(--terracotta-text); }
.faq__item p { color: var(--muted); padding-bottom: var(--s-3); max-width: 60ch; }

/* --------------------------------------------------------------------------
   13. CONTATO
   -------------------------------------------------------------------------- */
.contact { background: var(--graphite); color: var(--cream); }
.contact .section__title { color: var(--cream); }
.contact__grid { display: grid; gap: var(--s-5); }
@media (min-width: 900px) {
    .contact__grid { grid-template-columns: 5fr 6fr; align-items: start; }
}
.contact__intro > p:not(.eyebrow) { color: #D9D1C7; max-width: 42ch; }
.contact__channels { margin-top: var(--s-4); display: grid; gap: var(--s-3); }
.contact__label {
    display: block;
    font-family: var(--font-label);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--sand);
    margin-bottom: 0.2rem;
}
.contact__channels a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid rgba(243, 236, 227, 0.3);
    transition: border-color 0.25s var(--ease);
}
.contact__channels a:hover { border-color: var(--sand); }
.contact :focus-visible { outline-color: var(--sand); }

.form { display: grid; gap: var(--s-3); }
.form__label {
    display: block;
    font-family: var(--font-label);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.form__optional { font-weight: 500; letter-spacing: 0.04em; text-transform: none; color: #BDB4AA; }
.form__input {
    width: 100%;
    padding: 0.85rem 0;
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(243, 236, 227, 0.4);
    border-radius: 0;
    color: var(--cream);
    transition: border-color 0.25s var(--ease);
}
.form__input:focus { outline: none; border-bottom-color: var(--sand); }
.form__input:focus-visible { outline: none; box-shadow: 0 1px 0 0 var(--sand); }
select.form__input {
    appearance: none;
    cursor: pointer;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23D8BD99' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 4px center;
}
select.form__input option { color: var(--graphite); background: var(--cream); }
.form__textarea { resize: vertical; min-height: 90px; }
.form__input.is-invalid { border-bottom-color: #E8A08C; }
.form__error { display: none; margin-top: 0.4rem; font-size: var(--fs-sm); color: #F0B4A3; }
.form__error.is-visible { display: block; }
.form__status { min-height: 1.5em; font-size: var(--fs-sm); color: var(--sand); }
.form .btn { margin-top: var(--s-2); }

/* --------------------------------------------------------------------------
   14. RODAPÉ
   -------------------------------------------------------------------------- */
.footer { padding-top: var(--s-5); background: var(--cream); }
.footer__grid {
    display: grid;
    gap: var(--s-4);
    padding-bottom: var(--s-4);
}
@media (min-width: 800px) {
    .footer__grid { grid-template-columns: 1.2fr 1fr 1fr; align-items: start; }
}
.footer__brand img { width: 170px; }
.footer__nav,
.footer__contact { display: grid; gap: 0.5rem; font-size: var(--fs-sm); }
.footer a { text-decoration: none; color: var(--graphite); }
.footer__nav a:hover,
.footer__contact a:hover { color: var(--terracotta-text); text-decoration: underline; text-underline-offset: 3px; }
.footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--s-2);
    padding-block: var(--s-3);
    border-top: 1px solid var(--line);
    font-size: var(--fs-sm);
    color: var(--muted);
}

/* --------------------------------------------------------------------------
   15. BOTÃO FLUTUANTE (somente celular)
   -------------------------------------------------------------------------- */
.wa-float {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 40;
    display: none;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--graphite);
    color: var(--cream);
    box-shadow: 0 6px 18px rgba(42, 42, 44, 0.25);
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.wa-float.is-visible { opacity: 1; transform: none; pointer-events: auto; }
@media (max-width: 760px) {
    .wa-float { display: grid; }
}

/* --------------------------------------------------------------------------
   16. ENTRADA SUAVE DAS SEÇÕES
   -------------------------------------------------------------------------- */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .js .reveal { opacity: 1; transform: none; }
}