/* ============================================================
   TJM Constr — Construtora | Brutalist Construction Stylesheet
   Visual signature: hard edges (border-radius: 0), thick black
   strokes, offset hard shadows, safety-yellow/black hazard stripes.
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
    /* Palette */
    --yellow: #FACC15;
    --yellow-dark: #EAB308;
    --black: #0A0A0A;
    --black-2: #161616;
    --concrete: #D4D4D4;
    --concrete-dark: #737373;
    --concrete-light: #EDEDED;
    --white: #FFFFFF;

    /* Typography */
    --font-heading: 'Oswald', 'Arial Narrow', sans-serif;
    --font-body: 'Roboto Condensed', 'Arial', sans-serif;

    /* Structure */
    --border: 4px solid var(--black);
    --border-md: 3px solid var(--black);
    --shadow-hard: 8px 8px 0 var(--black);
    --shadow-hard-md: 6px 6px 0 var(--black);
    --shadow-hard-sm: 4px 4px 0 var(--black);

    /* Hazard stripes */
    --stripes: repeating-linear-gradient(45deg, var(--yellow) 0 16px, var(--black) 16px 32px);
    --stripes-sm: repeating-linear-gradient(45deg, var(--yellow) 0 12px, var(--black) 12px 24px);
    --stripes-v: repeating-linear-gradient(-45deg, var(--yellow) 0 14px, var(--black) 14px 28px);

    /* Layout */
    --container: 1200px;
    --header-h: 76px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    border-radius: 0 !important; /* hard-edge signature: no rounded corners anywhere */
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--concrete-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 28px;
}

/* ---------- Section helpers ---------- */
.section {
    padding: 88px 0;
    position: relative;
}

.section--white { background-color: var(--white); }
.section--grey { background-color: var(--concrete-light); }
.section--concrete { background-color: var(--concrete); }
.section--black { background-color: var(--black); color: var(--white); }

.section__kicker {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    background: var(--yellow);
    color: var(--black);
    border: var(--border-md);
    box-shadow: var(--shadow-hard-sm);
    padding: 5px 14px;
    margin-bottom: 22px;
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4.6vw, 3.4rem);
    font-weight: 700;
    line-height: 1.02;
    text-transform: uppercase;
    letter-spacing: 0.01em;
    color: var(--black);
    margin-bottom: 18px;
}

.section--black .section__title { color: var(--white); }

.section__lead {
    font-size: 1.12rem;
    color: var(--concrete-dark);
    max-width: 720px;
    line-height: 1.6;
}

.section--black .section__lead { color: var(--concrete); }

.section__head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.section__head-left { max-width: 720px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    border: var(--border);
    background: var(--white);
    color: var(--black);
    box-shadow: var(--shadow-hard);
    transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
    text-align: center;
}

.btn:hover {
    transform: translate(4px, 4px);
    box-shadow: var(--shadow-hard-sm);
}

.btn:active {
    transform: translate(8px, 8px);
    box-shadow: 0 0 0 var(--black);
}

.btn--yellow { background: var(--yellow); color: var(--black); }
.btn--yellow:hover { background: var(--yellow-dark); }
.btn--black { background: var(--black); color: var(--yellow); }
.btn--black:hover { background: var(--black-2); }
.btn--outline { background: transparent; color: var(--black); }
.btn--outline-light { background: transparent; color: var(--white); border-color: var(--white); box-shadow: 8px 8px 0 rgba(255,255,255,0.85); }
.btn--outline-light:hover { background: var(--white); color: var(--black); }
.btn--full { width: 100%; }
.btn--lg { padding: 18px 40px; font-size: 1.05rem; }

/* ---------- Header ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: var(--black);
    color: var(--white);
    border-bottom: 4px solid var(--yellow);
    transition: box-shadow 0.2s ease;
}

.header--scrolled {
    box-shadow: 0 6px 0 rgba(0, 0, 0, 0.35);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    flex-shrink: 0;
}

.logo__icon {
    width: 46px;
    height: 46px;
    flex-shrink: 0;
    border: 3px solid var(--yellow);
}

.logo__icon img {
    width: 100%;
    height: 100%;
}

.logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.logo__name {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--white);
}

.logo__tagline {
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--yellow);
}

/* ---------- Navigation ---------- */
.nav__list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav__link {
    display: block;
    padding: 10px 16px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--white);
    border: 3px solid transparent;
    transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.nav__link:hover {
    background: var(--yellow);
    color: var(--black);
}

.nav__link[aria-current="page"] {
    background: var(--yellow);
    color: var(--black);
    border-color: var(--black);
}

/* ---------- Burger ---------- */
.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 48px;
    height: 48px;
    padding: 0 10px;
    background: var(--yellow);
    border: 3px solid var(--black);
    cursor: pointer;
    z-index: 1002;
}

.burger__line {
    display: block;
    width: 100%;
    height: 4px;
    background: var(--black);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.burger--active .burger__line:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.burger--active .burger__line:nth-child(2) { opacity: 0; }
.burger--active .burger__line:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: calc(var(--header-h) + 72px) 0 96px;
    background: var(--black);
    color: var(--white);
    overflow: hidden;
    border-bottom: 4px solid var(--black);
}

.hero__stripe {
    position: absolute;
    inset: 0;
    background: var(--stripes);
    opacity: 0.12;
    pointer-events: none;
}

.hero__grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero__tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    background: var(--yellow);
    color: var(--black);
    border: 3px solid var(--black);
    box-shadow: var(--shadow-hard-sm);
    padding: 6px 14px;
    margin-bottom: 28px;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.7rem, 7vw, 5.6rem);
    font-weight: 700;
    line-height: 0.94;
    text-transform: uppercase;
    letter-spacing: -0.005em;
    margin-bottom: 28px;
}

.hero__title .hero__accent {
    color: var(--black);
    background: var(--yellow);
    padding: 0 12px;
    box-shadow: 8px 8px 0 var(--concrete-dark);
    display: inline-block;
}

.hero__lead {
    font-size: 1.15rem;
    color: var(--concrete);
    max-width: 560px;
    margin-bottom: 36px;
    line-height: 1.6;
}

.hero__actions {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

/* Hero data panel */
.hero__panel {
    background: var(--white);
    color: var(--black);
    border: 4px solid var(--black);
    box-shadow: 12px 12px 0 var(--yellow);
    padding: 28px;
}

.hero__panel-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--black);
}

.hero__panel-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 2px solid var(--concrete);
    font-size: 0.95rem;
}

.hero__panel-row:last-child { border-bottom: none; }

.hero__panel-label {
    font-weight: 500;
    color: var(--concrete-dark);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.8rem;
}

.hero__panel-value {
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    text-align: right;
}

/* ---------- Feature strip ---------- */
.strip {
    background: var(--yellow);
    border-top: 4px solid var(--black);
    border-bottom: 4px solid var(--black);
}

.strip__inner {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    padding: 20px 0;
}

.strip__item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.strip__item::before {
    content: '';
    width: 14px;
    height: 14px;
    background: var(--black);
    flex-shrink: 0;
}

/* ---------- Service cards (grid) ---------- */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: var(--border);
    box-shadow: var(--shadow-hard);
    padding: 30px 28px 28px;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.service-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 var(--black);
}

.service-card__num {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1;
    color: var(--concrete);
    -webkit-text-stroke: 2px var(--black);
    margin-bottom: 16px;
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 12px;
}

.service-card__desc {
    font-size: 0.98rem;
    color: var(--black-2);
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-card__link {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--black);
    border-top: 3px solid var(--black);
    padding-top: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.service-card__link::after { content: '→'; font-size: 1.1rem; }
.service-card__link:hover { color: var(--yellow-dark); }

/* ---------- Process stages ---------- */
.process {
    background: var(--black);
    color: var(--white);
    border-top: 4px solid var(--yellow);
    border-bottom: 4px solid var(--yellow);
}

.process__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.process-card {
    position: relative;
    background: var(--black-2);
    border: 3px solid var(--white);
    padding: 24px 20px;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.process-card:hover,
.process-card.is-active {
    background: var(--yellow);
    border-color: var(--yellow);
    color: var(--black);
}

.process-card__num {
    font-family: var(--font-heading);
    font-size: 3.4rem;
    font-weight: 700;
    line-height: 1;
    color: var(--yellow);
    margin-bottom: 14px;
}

.process-card:hover .process-card__num,
.process-card.is-active .process-card__num {
    color: var(--black);
}

.process-card__title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 8px;
}

.process-card__desc {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--concrete);
}

.process-card:hover .process-card__desc,
.process-card.is-active .process-card__desc {
    color: var(--black-2);
}

.process__detail {
    margin-top: 40px;
    background: var(--black-2);
    border: 3px solid var(--yellow);
    padding: 28px 32px;
    min-height: 96px;
}

.process__detail-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--yellow);
    margin-bottom: 10px;
}

.process__detail-text {
    color: var(--concrete);
    font-size: 1.02rem;
    max-width: 900px;
}

/* ---------- Projects grid + filter ---------- */
.projects__filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.filter-btn {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 10px 20px;
    background: var(--white);
    color: var(--black);
    border: var(--border-md);
    box-shadow: var(--shadow-hard-sm);
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease;
}

.filter-btn:hover {
    background: var(--concrete);
}

.filter-btn.is-active {
    background: var(--black);
    color: var(--yellow);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.project-card {
    background: var(--white);
    border: var(--border);
    box-shadow: var(--shadow-hard);
    overflow: hidden;
    transition: transform 0.15s ease;
}

.project-card.is-hidden { display: none; }

.project-card:hover { transform: translateY(-4px); }

.project-card__visual {
    position: relative;
    height: 200px;
    background: var(--concrete);
    border-bottom: 4px solid var(--black);
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.project-card__visual svg {
    width: 100%;
    height: 100%;
}

.project-card__tag {
    position: absolute;
    top: 12px;
    left: 12px;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--yellow);
    color: var(--black);
    border: 3px solid var(--black);
    padding: 4px 10px;
}

.project-card__body {
    padding: 20px 22px 22px;
}

.project-card__title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 10px;
}

.project-card__meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 16px;
    font-size: 0.88rem;
    border-top: 2px solid var(--concrete);
    padding-top: 12px;
}

.project-card__meta span {
    display: flex;
    flex-direction: column;
}

.project-card__meta b {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--concrete-dark);
}

/* ---------- Safety / compliance ---------- */
.safety__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.safety-card {
    background: var(--white);
    border: var(--border);
    box-shadow: var(--shadow-hard);
    padding: 26px 24px;
}

.safety-card__head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.safety-card__badge {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    background: var(--black);
    color: var(--yellow);
    padding: 6px 12px;
    letter-spacing: 0.04em;
}

.safety-card__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
}

.safety-card__text {
    font-size: 0.93rem;
    color: var(--black-2);
}

/* ---------- CTA ---------- */
.cta {
    background: var(--yellow);
    border-top: 4px solid var(--black);
    border-bottom: 4px solid var(--black);
}

.cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    padding: 48px 0;
}

.cta__title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1.05;
    margin-bottom: 10px;
}

.cta__text {
    font-size: 1.1rem;
    max-width: 560px;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--black);
    color: var(--white);
    border-top: 8px solid var(--yellow);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding: 64px 0 48px;
}

.footer__brand-text {
    margin-top: 18px;
    font-size: 0.95rem;
    color: var(--concrete);
    max-width: 300px;
}

.footer__heading {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--yellow);
    margin-bottom: 18px;
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.footer__list a {
    font-size: 0.95rem;
    color: var(--concrete);
    transition: color 0.12s ease;
}

.footer__list a:hover { color: var(--yellow); }

.footer__list li { font-size: 0.95rem; color: var(--concrete); }

.footer__bottom {
    border-top: 3px solid var(--concrete-dark);
    padding: 22px 0;
}

.footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.88rem;
    color: var(--concrete);
}

.footer__bottom a { color: var(--yellow); }
.footer__bottom a:hover { text-decoration: underline; }

/* ---------- Page header (inner pages) ---------- */
.page-header {
    position: relative;
    padding: calc(var(--header-h) + 64px) 0 64px;
    background: var(--black);
    color: var(--white);
    border-bottom: 4px solid var(--yellow);
    overflow: hidden;
}

.page-header__stripe {
    position: absolute;
    inset: 0;
    background: var(--stripes);
    opacity: 0.1;
    pointer-events: none;
}

.page-header__inner { position: relative; z-index: 2; }

.page-header__kicker {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--black);
    background: var(--yellow);
    border: 3px solid var(--black);
    box-shadow: var(--shadow-hard-sm);
    padding: 5px 14px;
    margin-bottom: 22px;
}

.page-header__title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 6vw, 4.5rem);
    font-weight: 700;
    text-transform: uppercase;
    line-height: 0.98;
    margin-bottom: 16px;
}

.page-header__subtitle {
    font-size: 1.15rem;
    color: var(--concrete);
    max-width: 720px;
}

/* Breadcrumb */
.breadcrumb {
    background: var(--white);
    border-bottom: 3px solid var(--black);
}

.breadcrumb__inner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 0;
    font-size: 0.88rem;
    font-family: var(--font-heading);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.breadcrumb a { color: var(--concrete-dark); }
.breadcrumb a:hover { color: var(--black); text-decoration: underline; }
.breadcrumb span { color: var(--concrete-dark); }
.breadcrumb strong { color: var(--black); }

/* ---------- Sobre page ---------- */
.about-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-hero__text p {
    font-size: 1.05rem;
    color: var(--black-2);
    margin-bottom: 16px;
}

.about-hero__text p strong { font-family: var(--font-heading); font-weight: 600; letter-spacing: 0.02em; }

.about-hero__figure {
    background: var(--black);
    border: 4px solid var(--black);
    box-shadow: var(--shadow-hard);
    padding: 28px;
}

.about-hero__figure svg { width: 100%; height: auto; }

.values__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.value-card {
    background: var(--white);
    border: var(--border);
    box-shadow: var(--shadow-hard);
    padding: 30px 28px;
}

.value-card__num {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--yellow);
    -webkit-text-stroke: 2px var(--black);
    line-height: 1;
    margin-bottom: 14px;
}

.value-card__title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.value-card__text { font-size: 0.95rem; color: var(--black-2); }

/* Registration data block */
.regdata {
    background: var(--white);
    border: var(--border);
    box-shadow: var(--shadow-hard);
    overflow: hidden;
}

.regdata__head {
    background: var(--black);
    color: var(--yellow);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 18px 24px;
    border-bottom: 4px solid var(--black);
}

.regdata__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.regdata__item {
    padding: 22px 24px;
    border-right: 3px solid var(--black);
    border-bottom: 3px solid var(--black);
}

.regdata__item:nth-child(3n) { border-right: none; }

.regdata__label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--concrete-dark);
    margin-bottom: 8px;
}

.regdata__value {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* ---------- Servicos page ---------- */
.service-detail {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 28px;
    background: var(--white);
    border: var(--border);
    box-shadow: var(--shadow-hard);
    padding: 34px 32px;
    margin-bottom: 32px;
}

.service-detail__num {
    font-family: var(--font-heading);
    font-size: 3.6rem;
    font-weight: 700;
    line-height: 1;
    color: var(--yellow);
    -webkit-text-stroke: 2px var(--black);
}

.service-detail__title {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 12px;
}

.service-detail__desc {
    font-size: 1.02rem;
    color: var(--black-2);
    margin-bottom: 20px;
}

.service-detail__cols {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.service-detail__col {
    border: 3px solid var(--black);
    padding: 16px 18px;
    background: var(--concrete-light);
}

.service-detail__col h4 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--black);
    color: var(--yellow);
    padding: 6px 10px;
    margin-bottom: 12px;
}

.service-detail__col ul { list-style: none; }
.service-detail__col li {
    font-size: 0.92rem;
    padding: 6px 0;
    border-bottom: 1px solid var(--concrete);
    padding-left: 18px;
    position: relative;
}
.service-detail__col li:last-child { border-bottom: none; }
.service-detail__col li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    background: var(--yellow-dark);
    border: 2px solid var(--black);
}

/* Not-doing boundary */
.boundary {
    background: var(--black);
    color: var(--white);
    border: 4px solid var(--black);
    box-shadow: var(--shadow-hard);
    padding: 34px 32px;
}

.boundary__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--yellow);
    color: var(--black);
    display: inline-block;
    padding: 6px 16px;
    margin-bottom: 22px;
    border: 3px solid var(--black);
}

.boundary__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 32px;
}

.boundary__list li {
    position: relative;
    padding-left: 28px;
    font-size: 1rem;
    color: var(--concrete);
}

.boundary__list li::before {
    content: '✕';
    position: absolute;
    left: 0;
    top: 0;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--yellow);
}

/* ---------- Contato page ---------- */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 40px;
    align-items: start;
}

.contact-info__card {
    background: var(--white);
    border: var(--border);
    box-shadow: var(--shadow-hard);
    padding: 28px;
    margin-bottom: 28px;
}

.contact-info__card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--black);
    margin-bottom: 18px;
}

.contact-info__row {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 2px solid var(--concrete);
}

.contact-info__row:last-child { border-bottom: none; }

.contact-info__icon {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    background: var(--yellow);
    border: 3px solid var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-hard-sm);
}

.contact-info__icon svg { width: 20px; height: 20px; color: var(--black); }

.contact-info__label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--concrete-dark);
    margin-bottom: 2px;
}

.contact-info__value { font-size: 1rem; }
.contact-info__value a { color: var(--black); font-weight: 500; }
.contact-info__value a:hover { text-decoration: underline; }

/* Hours table */
.hours {
    border: 3px solid var(--black);
}

.hours__row {
    display: flex;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: 2px solid var(--black);
    font-size: 0.95rem;
    background: var(--white);
}

.hours__row:last-child { border-bottom: none; }
.hours__row b { font-family: var(--font-heading); text-transform: uppercase; letter-spacing: 0.04em; }

/* Form */
.contact-form {
    background: var(--white);
    border: var(--border);
    box-shadow: var(--shadow-hard);
    padding: 32px;
}

.contact-form__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 8px;
}

.contact-form__note {
    font-size: 0.95rem;
    color: var(--concrete-dark);
    margin-bottom: 26px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.form-label .req { color: #b91c1c; }

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 13px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--black);
    background: var(--white);
    border: 3px solid var(--black);
    outline: none;
    transition: background-color 0.12s ease, box-shadow 0.12s ease;
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    background: var(--concrete-light);
    box-shadow: var(--shadow-hard-sm);
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230A0A0A' stroke-width='3'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 44px;
    cursor: pointer;
}

.form-textarea { min-height: 130px; resize: vertical; }

.form-hint { font-size: 0.82rem; color: var(--concrete-dark); margin-top: 6px; }

.form-error {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #b91c1c;
    margin-top: 6px;
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: #b91c1c;
    background: #fff1f1;
}

.form-success {
    display: none;
    background: var(--yellow);
    border: var(--border);
    box-shadow: var(--shadow-hard);
    padding: 28px;
    text-align: center;
}

.form-success.is-visible { display: block; }

.form-success__title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.form-success__text { font-size: 1rem; }

/* ---------- Legal pages (termos / privacidade) ---------- */
.legal {
    background: var(--white);
    border: var(--border);
    box-shadow: var(--shadow-hard);
    padding: 40px 44px;
}

.legal__updated {
    font-size: 0.88rem;
    color: var(--concrete-dark);
    border: 3px solid var(--black);
    background: var(--concrete-light);
    padding: 12px 16px;
    margin-bottom: 32px;
}

.legal h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin: 36px 0 14px;
    padding-left: 16px;
    border-left: 8px solid var(--yellow);
}

.legal h2:first-of-type { margin-top: 0; }

.legal p {
    font-size: 1.02rem;
    color: var(--black-2);
    margin-bottom: 14px;
    line-height: 1.7;
}

.legal ul,
.legal ol {
    margin: 0 0 16px 22px;
}

.legal ul li,
.legal ol li {
    font-size: 1rem;
    color: var(--black-2);
    margin-bottom: 8px;
    padding-left: 8px;
    position: relative;
}

.legal ul { list-style: none; margin-left: 0; }
.legal ul li { padding-left: 24px; }
.legal ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 10px;
    height: 10px;
    background: var(--yellow);
    border: 2px solid var(--black);
}

.legal ol { list-style: decimal; }

.legal strong { font-family: var(--font-heading); font-weight: 600; letter-spacing: 0.02em; }

.legal a { color: #1d4ed8; text-decoration: underline; }

/* ---------- Reveal animation ---------- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html { scroll-behavior: auto; }
}

/* ---------- Back to top ---------- */
.back-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 52px;
    height: 52px;
    background: var(--yellow);
    border: 3px solid var(--black);
    box-shadow: var(--shadow-hard-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--black);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.back-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .hero__grid { grid-template-columns: 1fr; }
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .projects__grid { grid-template-columns: repeat(2, 1fr); }
    .process__grid { grid-template-columns: repeat(3, 1fr); }
    .safety__grid { grid-template-columns: repeat(2, 1fr); }
    .values__grid { grid-template-columns: repeat(2, 1fr); }
    .regdata__grid { grid-template-columns: repeat(2, 1fr); }
    .regdata__item:nth-child(3n) { border-right: 3px solid var(--black); }
    .regdata__item:nth-child(2n) { border-right: none; }
    .about-hero__grid { grid-template-columns: 1fr; }
    .contact__grid { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --header-h: 64px; }

    .section { padding: 64px 0; }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--black);
        border-left: 4px solid var(--yellow);
        padding: calc(var(--header-h) + 24px) 24px 24px;
        transition: right 0.3s ease;
        z-index: 1001;
        overflow-y: auto;
    }

    .nav--open { right: 0; }

    .nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .nav__link {
        font-size: 1.05rem;
        padding: 14px 16px;
        border: 3px solid var(--concrete-dark);
    }

    .burger { display: flex; }

    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.55);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s ease;
    }

    .nav-overlay--visible {
        opacity: 1;
        pointer-events: auto;
    }

    .services__grid { grid-template-columns: 1fr; }
    .projects__grid { grid-template-columns: 1fr; }
    .process__grid { grid-template-columns: 1fr 1fr; }
    .safety__grid { grid-template-columns: 1fr; }
    .values__grid { grid-template-columns: 1fr; }
    .service-detail { grid-template-columns: 1fr; gap: 16px; }
    .service-detail__cols { grid-template-columns: 1fr; }
    .boundary__list { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; gap: 28px; }
    .regdata__grid { grid-template-columns: 1fr; }
    .regdata__item { border-right: none; }
    .section__head { align-items: flex-start; }
    .legal { padding: 28px 24px; }
}

@media (max-width: 480px) {
    .container { padding: 0 18px; }

    .hero { padding: calc(var(--header-h) + 40px) 0 64px; }

    .hero__title { font-size: 2.4rem; }
    .hero__panel { padding: 20px; }
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; }

    .process__grid { grid-template-columns: 1fr; }
    .projects__filters { flex-direction: column; }
    .filter-btn { width: 100%; }
    .cta__inner { flex-direction: column; align-items: flex-start; }
    .footer__bottom-inner { flex-direction: column; align-items: flex-start; }
    .contact-form { padding: 24px 20px; }
    .back-top { bottom: 18px; right: 18px; }
}

/* ---------- Print ---------- */
@media print {
    .header,
    .footer,
    .burger,
    .nav-overlay,
    .back-top,
    .cta,
    .hero__actions,
    .contact-form,
    .projects__filters {
        display: none !important;
    }
    body { background: #fff; color: #000; }
}