/* =========================================================
   BH MONTAGENS — Sistema de design (redesign 2026)
   Base: Manrope (display) · Inter (corpo) · JetBrains Mono (specs)
   ========================================================= */

:root {
  --red:           #C8102E;
  --red-dark:      #9C0C24;
  --red-soft:      #FCE9EC;
  --ink:           #111111;
  --graphite:      #1A1A1A;
  --mid:           #595959;
  --muted:         #8A8A8A;
  --line:          #E5E5E5;
  --line-soft:     #EFEFEF;
  --bg:            #FFFFFF;
  --bg-soft:       #FAFAFA;
  --bg-tint:       #F2F2F2;
  --bg-dark:       #0E0E0E;
  --safety:        #F4B400;

  --maxw: 1320px;
  --gutter: clamp(20px, 4vw, 56px);

  --radius-sm: 4px;
  --radius:    6px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 2px rgba(17,17,17,0.04), 0 1px 1px rgba(17,17,17,0.03);
  --shadow:    0 4px 14px rgba(17,17,17,0.06), 0 1px 2px rgba(17,17,17,0.04);

  --t-fast: 140ms cubic-bezier(.2,.7,.3,1);
  --t:      220ms cubic-bezier(.2,.7,.3,1);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { overflow-x: clip; }
@supports not (overflow-x: clip) { body { overflow-x: hidden; } }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* Type ------------------------------------------------------ */
h1, h2, h3, h4, h5 {
  font-family: 'Manrope', system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.08;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}
h1 { font-size: clamp(40px, 6vw, 80px); letter-spacing: -0.025em; }
h2 { font-size: clamp(28px, 3.6vw, 48px); letter-spacing: -0.02em; }
h3 { font-size: clamp(22px, 2.2vw, 28px); }
h4 { font-size: 18px; letter-spacing: -0.005em; }
p  { margin: 0 0 1em; max-width: 65ch; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

.mono { font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace; font-feature-settings: "tnum" 1; }
.eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--red); font-weight: 500;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before {
  content: ""; width: 24px; height: 1px; background: var(--red); display: inline-block;
}
.eyebrow.dark { color: var(--ink); }
.eyebrow.dark::before { background: var(--ink); }
.eyebrow.light { color: rgba(255,255,255,0.7); }
.eyebrow.light::before { background: rgba(255,255,255,0.7); }

/* Layout primitives ---------------------------------------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(64px, 9vw, 128px) 0; }
.section--tight { padding: clamp(40px, 6vw, 80px) 0; }
.section--dark { background: var(--bg-dark); color: #ECECEC; }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--soft { background: var(--bg-soft); }
.section--tint { background: var(--bg-tint); }

.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* Buttons --------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Manrope', sans-serif; font-weight: 600;
  font-size: 15px; letter-spacing: 0.01em;
  padding: 14px 22px; border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--t), color var(--t), border-color var(--t), transform var(--t-fast);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--red); color: #fff; }
.btn--primary:hover { background: var(--red-dark); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: #fff; }
.btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn--ghost-light:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn--text { padding: 0; background: transparent; color: var(--ink); }
.btn--text .arrow { transition: transform var(--t); }
.btn--text:hover .arrow { transform: translateX(4px); }
.btn--lg { padding: 18px 28px; font-size: 16px; }

.arrow { display: inline-block; transition: transform var(--t); }

/* Topbar ---------------------------------------------------- */
.topbar {
  background: var(--ink); color: #BDBDBD;
  font-size: 13px; letter-spacing: 0.02em;
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 9px; padding-bottom: 9px; gap: 24px;
}
.topbar a { color: #DDD; transition: color var(--t); }
.topbar a:hover { color: #fff; }
.topbar__contact { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.topbar__contact span { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.topbar__contact svg { width: 14px; height: 14px; opacity: 0.7; }
.topbar__meta { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--muted); white-space: nowrap; }

/* Header ---------------------------------------------------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex; align-items: center; gap: 32px;
  padding-top: 18px; padding-bottom: 18px;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: 'Manrope', sans-serif; font-weight: 800;
  letter-spacing: -0.02em; font-size: 18px;
  color: var(--ink);
}
.brand__logo { display: block; height: 48px; width: auto; }
.brand__logo--footer { height: 52px; }
@media (max-width: 1080px) { .brand__logo { height: 42px; } }
@media (max-width: 480px)  { .brand__logo { height: 36px; } }
.brand__mark {
  width: 38px; height: 38px; flex-shrink: 0;
  background: var(--ink); color: #fff;
  display: grid; place-items: center;
  font-family: 'Manrope', sans-serif; font-weight: 800;
  font-size: 14px; letter-spacing: -0.03em;
  border-radius: 4px;
  position: relative;
}
.brand__mark::after {
  content: ""; position: absolute; right: -4px; bottom: -4px;
  width: 10px; height: 10px; background: var(--red);
}
.brand__name { line-height: 1; }
.brand__name small {
  display: block; font-size: 10px; font-weight: 500; letter-spacing: 0.18em;
  color: var(--mid); text-transform: uppercase; margin-top: 4px;
}

.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 10px 14px; font-size: 14px; font-weight: 500;
  font-family: 'Manrope', sans-serif; letter-spacing: 0.01em;
  color: var(--ink); border-radius: 4px;
  transition: color var(--t), background var(--t);
  white-space: nowrap;
}
.nav__link:hover { color: var(--red); }
.nav__link.is-active { color: var(--red); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  background: var(--red);
}
.nav__caret { width: 10px; height: 10px; opacity: 0.5; }
.nav__sub {
  position: absolute; top: 100%; left: 0; min-width: 260px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px; margin-top: 8px;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.nav__item:hover .nav__sub { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__sub a {
  display: block; padding: 10px 12px; font-size: 14px;
  border-radius: 4px; transition: background var(--t), color var(--t);
}
.nav__sub a:hover { background: var(--bg-tint); color: var(--red); }
.nav__sub a small { display: block; font-size: 12px; color: var(--mid); margin-top: 2px; font-weight: 400; }

.header__cta { margin-left: 8px; }

/* Mobile nav */
.nav-toggle { display: none; }
.nav-toggle .icon-close { display: none; }
.nav-toggle.is-open .icon-open { display: none; }
.nav-toggle.is-open .icon-close { display: inline; }
.nav-backdrop { display: none; }

@media (max-width: 1080px) {
  .header { backdrop-filter: none; -webkit-backdrop-filter: none; background: #fff; }
  .header__inner { gap: 16px; padding-top: 14px; padding-bottom: 14px; }
  .header__cta { display: none; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    margin-left: auto; width: 44px; height: 44px;
    border: 1px solid var(--line); border-radius: 4px; background: #fff;
    cursor: pointer;
  }

  .nav {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: min(86vw, 360px);
    margin: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff;
    border-left: 1px solid var(--line);
    box-shadow: -10px 0 30px rgba(0,0,0,0.08);
    padding: 76px 16px 24px;
    transform: translateX(100%);
    transition: transform var(--t);
    z-index: 60;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .nav.is-open { transform: translateX(0); }

  .nav-backdrop {
    display: block; position: fixed; inset: 0;
    background: rgba(0,0,0,0.4);
    opacity: 0; visibility: hidden;
    transition: opacity var(--t), visibility var(--t);
    z-index: 55;
  }
  .nav-backdrop.is-open { opacity: 1; visibility: visible; }

  body.nav-locked { overflow: hidden; }

  .nav__item { width: 100%; border-bottom: 1px solid var(--line); }
  .nav__link {
    padding: 14px 12px; font-size: 15px; width: 100%;
    justify-content: space-between;
  }
  .nav__link.is-active::after { display: none; }
  .nav__caret { width: 14px; height: 14px; opacity: 0.7; transition: transform var(--t); }
  .nav__item.is-expanded .nav__caret { transform: rotate(180deg); }

  .nav__sub {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; border-radius: 0;
    margin: 0 0 8px; padding: 0 0 8px 12px;
    min-width: 0;
    max-height: 0; overflow: hidden;
    transition: max-height var(--t);
  }
  .nav__item.is-expanded .nav__sub { max-height: 600px; }
  .nav__sub a { padding: 10px 12px; font-size: 14px; }
  .nav__sub a small { font-size: 11px; }

  .nav__cta-mobile {
    display: block; margin-top: 16px; text-align: center;
  }
}

@media (max-width: 880px) {
  .topbar__inner { flex-wrap: wrap; gap: 8px 16px; padding-top: 8px; padding-bottom: 8px; }
  .topbar__meta { width: 100%; font-size: 11px; }
  .topbar__contact { gap: 14px; font-size: 12px; }
}
@media (max-width: 480px) {
  .topbar__contact { gap: 10px; }
  .topbar__contact span { font-size: 12px; }
  .brand__name { font-size: 16px; }
  .brand__name small { font-size: 9px; letter-spacing: 0.14em; }
  .brand__mark { width: 34px; height: 34px; font-size: 13px; }
}
@media (max-width: 360px) {
  .brand__name small { display: none; }
}

.nav__cta-mobile { display: none; }

/* Hero ------------------------------------------------------ */
.hero {
  position: relative; overflow: hidden;
  background: var(--bg-dark); color: #fff;
  border-bottom: 1px solid #1F1F1F;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(14,14,14,0.55) 0%, rgba(14,14,14,0.85) 100%),
    repeating-linear-gradient(135deg, #1c1c1c 0 16px, #181818 16px 32px);
}
.hero__bg::after {
  content: "/* substituir por: vídeo ou foto da máquina pesada com cabine BH em operação real (floresta / mineração) */";
  position: absolute; bottom: 24px; left: 32px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: rgba(255,255,255,0.35); max-width: 60%;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  padding-top: clamp(80px, 12vw, 160px);
  padding-bottom: clamp(64px, 9vw, 120px);
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 40px;
}
.hero__title {
  color: #fff; font-size: clamp(44px, 6.5vw, 92px);
  letter-spacing: -0.03em; line-height: 0.98;
  max-width: 16ch;
}
.hero__title em { color: var(--red); font-style: normal; }
.hero__lede {
  color: rgba(255,255,255,0.78); font-size: clamp(17px, 1.4vw, 20px);
  max-width: 52ch; margin: 28px 0 36px;
}
.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__meta {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: rgba(255,255,255,0.5); letter-spacing: 0.04em;
  display: grid; gap: 10px; min-width: 240px;
}
.hero__meta b { color: #fff; font-weight: 500; }
.hero__meta-row { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; border-top: 1px solid rgba(255,255,255,0.12); }
.hero__meta-row:last-child { border-bottom: 1px solid rgba(255,255,255,0.12); }

/* Hero — mobile ------------------------------------------- */
@media (max-width: 880px) {
  .hero__inner {
    grid-template-columns: 1fr;
    padding-top: 56px;
    padding-bottom: 48px;
    gap: 32px;
    align-items: start;
  }
  .hero__title { font-size: clamp(34px, 9vw, 52px); max-width: 100%; }
  .hero__title br { display: none; }
  .hero__lede { font-size: 16px; margin: 20px 0 28px; max-width: 100%; }
  .hero__ctas { width: 100%; }
  .hero__ctas .btn { flex: 1 1 auto; justify-content: center; }
  .hero__meta { min-width: 0; width: 100%; font-size: 11px; }
  .hero__bg::after { display: none; }
  .hero__grid { background-size: 48px 48px; }
}
@media (max-width: 480px) {
  .hero__inner { padding-top: 40px; padding-bottom: 40px; }
  .hero__title { font-size: clamp(30px, 10vw, 44px); }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; }
  .btn--lg { padding: 14px 20px; font-size: 15px; }
}

/* Stats strip ---------------------------------------------- */
.stats {
  background: var(--ink); color: #fff;
  border-top: 4px solid var(--red);
}
.stats__inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: rgba(255,255,255,0.08);
}
.stat {
  background: var(--ink); padding: 36px var(--gutter);
}
.stat__num {
  font-family: 'Manrope', sans-serif; font-weight: 700;
  font-size: clamp(36px, 4.5vw, 56px); letter-spacing: -0.03em; line-height: 1;
  color: #fff;
}
.stat__num em { font-style: normal; color: var(--red); }
.stat__label {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: rgba(255,255,255,0.6); margin-top: 14px; letter-spacing: 0.06em;
  text-transform: uppercase;
}
@media (max-width: 880px) { .stats__inner { grid-template-columns: 1fr 1fr; } }

/* Section header ------------------------------------------- */
.section-head {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: clamp(32px, 5vw, 80px); align-items: end; margin-bottom: 56px;
}
.section-head__title { font-size: clamp(32px, 4vw, 56px); }
.section-head__lede { color: var(--mid); font-size: 17px; max-width: 56ch; }
@media (max-width: 760px) { .section-head { grid-template-columns: 1fr; } }

/* Cards (solutions) ---------------------------------------- */
.solutions {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
@media (max-width: 1080px) { .solutions { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px)  { .solutions { grid-template-columns: 1fr; } }
.sol {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}
.sol:hover { border-color: var(--ink); transform: translateY(-3px); box-shadow: var(--shadow); }
.sol__media {
  aspect-ratio: 4/3; position: relative; overflow: hidden;
  background:
    repeating-linear-gradient(45deg, #ECECEC 0 6px, #F4F4F4 6px 12px);
}
.sol__num {
  position: absolute; top: 14px; left: 14px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  background: #fff; padding: 4px 8px; border-radius: 3px;
  letter-spacing: 0.08em; color: var(--ink);
}
.sol__placeholder {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: var(--mid); text-align: center; padding: 24px;
}
.sol__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.sol__title { font-size: 22px; margin-bottom: 10px; }
.sol__desc { font-size: 14.5px; color: var(--mid); flex: 1; }
.sol__cta {
  margin-top: 18px; padding-top: 16px;
  border-top: 1px solid var(--line);
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Manrope', sans-serif; font-weight: 600; font-size: 14px;
  color: var(--ink);
}
.sol:hover .sol__cta { color: var(--red); }
.sol:hover .sol__cta .arrow { transform: translateX(4px); }

/* Pillars (Why) -------------------------------------------- */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 980px) { .pillars { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .pillars { grid-template-columns: 1fr; } }
.pillar { background: #fff; padding: 36px 32px; }
.pillar__num {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--mid); letter-spacing: 0.1em; margin-bottom: 28px;
}
.pillar__icon {
  width: 48px; height: 48px; margin-bottom: 22px;
  display: grid; place-items: center;
  color: var(--red); border: 1px solid var(--line);
  border-radius: 4px;
}
.pillar__icon svg { width: 26px; height: 26px; }
.pillar__title { font-size: 20px; margin-bottom: 10px; }
.pillar__desc { font-size: 14.5px; color: var(--mid); }

/* Segments ------------------------------------------------- */
.segments {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px;
}
@media (max-width: 1080px) { .segments { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px)  { .segments { grid-template-columns: 1fr 1fr; } }
.seg {
  position: relative; aspect-ratio: 3/4; overflow: hidden;
  background: #1A1A1A;
  border-radius: var(--radius);
  transition: transform var(--t);
}
.seg:hover { transform: translateY(-3px); }
.seg__bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(14,14,14,0.3) 0%, rgba(14,14,14,0.92) 100%),
    repeating-linear-gradient(125deg, #2a2a2a 0 8px, #1f1f1f 8px 16px);
}
.seg__content {
  position: absolute; inset: auto 0 0 0; padding: 20px;
  color: #fff;
}
.seg__num {
  position: absolute; top: 14px; left: 14px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: rgba(255,255,255,0.6);
}
.seg__title { font-size: 18px; margin-bottom: 6px; }
.seg__meta { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: rgba(255,255,255,0.6); }

/* Featured projects ---------------------------------------- */
.projects { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 16px; min-height: 640px; }
.projects > a:nth-child(1) { grid-row: 1 / 3; }
@media (max-width: 980px) {
  .projects { grid-template-columns: 1fr 1fr; grid-template-rows: auto; min-height: 0; }
  .projects > a:nth-child(1) { grid-row: auto; grid-column: 1 / 3; aspect-ratio: 16/8; }
}
@media (max-width: 560px) { .projects { grid-template-columns: 1fr; } .projects > a:nth-child(1) { grid-column: auto; } }
.proj {
  position: relative; overflow: hidden;
  background: #1A1A1A; color: #fff;
  border-radius: var(--radius);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px; min-height: 280px;
  transition: transform var(--t);
}
.proj:hover { transform: translateY(-3px); }
.proj__bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(14,14,14,0.25) 30%, rgba(14,14,14,0.92) 100%),
    repeating-linear-gradient(115deg, #232323 0 10px, #1a1a1a 10px 20px);
}
.proj__bg--alt {
  background:
    linear-gradient(180deg, rgba(14,14,14,0.25) 30%, rgba(200,16,46,0.85) 100%),
    repeating-linear-gradient(115deg, #2a2a2a 0 10px, #222 10px 20px);
}
.proj__placeholder {
  position: absolute; top: 18px; right: 18px;
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: rgba(255,255,255,0.35); text-align: right; max-width: 65%;
}
.proj__meta {
  position: relative; font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: rgba(255,255,255,0.65); letter-spacing: 0.06em;
  margin-bottom: 10px; display: flex; gap: 10px; flex-wrap: wrap;
}
.proj__meta span::after { content: "·"; margin-left: 10px; opacity: 0.4; }
.proj__meta span:last-child::after { display: none; }
.proj__title { position: relative; font-size: clamp(20px, 1.8vw, 28px); color: #fff; max-width: 22ch; }
.proj__desc { position: relative; color: rgba(255,255,255,0.75); font-size: 14px; margin-top: 10px; max-width: 38ch; }
.proj__cta { position: relative; margin-top: 18px; font-family: 'Manrope', sans-serif; font-size: 13px; font-weight: 600; display: inline-flex; gap: 6px; }

/* A/C catalog ---------------------------------------------- */
.ac-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
@media (max-width: 1080px) { .ac-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px)  { .ac-grid { grid-template-columns: 1fr 1fr; } }
.ac {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px;
  text-align: center;
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color var(--t), transform var(--t);
}
.ac:hover { border-color: var(--ink); transform: translateY(-2px); }
.ac__media {
  aspect-ratio: 1; background:
    repeating-linear-gradient(45deg, #F6F6F6 0 5px, #FAFAFA 5px 10px);
  border-radius: 4px; display: grid; place-items: center;
  color: var(--mid);
}
.ac__media svg { width: 40%; height: 40%; }
.ac__name { font-family: 'Manrope', sans-serif; font-weight: 600; font-size: 14px; color: var(--ink); }
.ac__count { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--mid); }

/* Logos strip --------------------------------------------- */
.logos { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (max-width: 1080px) { .logos { grid-template-columns: repeat(3, 1fr); } }
.logo-cell {
  background: #fff; aspect-ratio: 2/1;
  display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--muted); letter-spacing: 0.04em;
}

/* Testimonials -------------------------------------------- */
.testimonials { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 800px) { .testimonials { grid-template-columns: 1fr; } }
.quote {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px;
}
.quote__mark { font-family: 'Manrope', sans-serif; font-size: 56px; color: var(--red); line-height: 0.4; margin-bottom: 18px; display: block; }
.quote__text { font-size: 18px; color: var(--ink); margin-bottom: 24px; line-height: 1.5; max-width: none; }
.quote__author { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--mid); display: flex; gap: 12px; align-items: center; }
.quote__author strong { color: var(--ink); font-weight: 600; }

/* CTA / contact band -------------------------------------- */
.cta-band {
  background: var(--ink); color: #fff;
  position: relative; overflow: hidden;
}
.cta-band__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; padding: clamp(56px, 8vw, 96px) 0; }
@media (max-width: 880px) { .cta-band__inner { grid-template-columns: 1fr; gap: 32px; } }
.cta-band h2 { color: #fff; font-size: clamp(32px, 4vw, 52px); }
.cta-band p { color: rgba(255,255,255,0.7); font-size: 17px; }
.cta-band__channels { display: grid; gap: 12px; margin-top: 28px; font-family: 'JetBrains Mono', monospace; font-size: 14px; }
.cta-band__channels a { color: #fff; display: flex; gap: 14px; align-items: center; padding: 14px 18px; border: 1px solid rgba(255,255,255,0.15); border-radius: 4px; transition: background var(--t), border-color var(--t); }
.cta-band__channels a:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.4); }
.cta-band__channels svg { width: 18px; height: 18px; color: var(--red); flex-shrink: 0; }

/* Forms --------------------------------------------------- */
.form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field > label {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--mid);
}
.field input, .field textarea, .field select {
  font: 15px/1.5 'Inter', sans-serif; color: #fff;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.18);
  padding: 14px 16px; border-radius: 4px; outline: none;
  transition: border-color var(--t), background var(--t);
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--red); background: rgba(255,255,255,0.08);
}
.field textarea { resize: vertical; min-height: 120px; }
.form--light .field input, .form--light .field textarea, .form--light .field select {
  background: #fff; color: var(--ink); border-color: var(--line);
}
.form--light .field > label { color: var(--mid); }
.form--light .field input:focus, .form--light .field textarea:focus { border-color: var(--red); background: #fff; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

/* Footer --------------------------------------------------- */
.footer { background: #050505; color: #888; padding: 80px 0 32px; border-top: 1px solid #1a1a1a; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 64px; }
@media (max-width: 880px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 { color: #fff; font-size: 14px; margin-bottom: 18px; font-family: 'JetBrains Mono', monospace; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer a { color: #888; font-size: 14px; transition: color var(--t); }
.footer a:hover { color: #fff; }
.footer__brand { color: #fff; }
.footer__brand p { color: #888; font-size: 14px; max-width: 36ch; margin-top: 16px; }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid #1a1a1a; padding-top: 24px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px; color: #666;
  flex-wrap: wrap; gap: 12px;
}

/* WhatsApp floating button -------------------------------- */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 40;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
  transition: transform var(--t);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; }

/* Page header (interior pages) ---------------------------- */
.page-hero {
  background: var(--bg-dark); color: #fff; padding: 100px 0 80px;
  border-bottom: 1px solid #1F1F1F; position: relative; overflow: hidden;
}
.page-hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
}
.crumbs {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: rgba(255,255,255,0.5); letter-spacing: 0.04em;
  display: flex; gap: 8px; margin-bottom: 28px;
  position: relative;
}
.crumbs a { color: rgba(255,255,255,0.5); }
.crumbs a:hover { color: #fff; }
.crumbs .sep { opacity: 0.4; }
.crumbs .current { color: #fff; }
.page-hero h1 { color: #fff; max-width: 22ch; position: relative; }
.page-hero p { color: rgba(255,255,255,0.7); font-size: 19px; max-width: 60ch; margin-top: 20px; position: relative; }

/* Placeholder image utility ------------------------------- */
.ph {
  position: relative; overflow: hidden;
  background:
    repeating-linear-gradient(45deg, #ECECEC 0 6px, #F4F4F4 6px 12px);
}
.ph__caption {
  position: absolute; bottom: 12px; left: 12px; right: 12px;
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: var(--mid); line-height: 1.4;
}
.ph--dark {
  background:
    repeating-linear-gradient(45deg, #1c1c1c 0 6px, #181818 6px 12px);
}
.ph--dark .ph__caption { color: rgba(255,255,255,0.4); }

/* Utility ------------------------------------------------- */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.06em; padding: 5px 10px;
  border: 1px solid var(--line); border-radius: 999px;
  color: var(--ink); background: #fff;
}
.tag--safety { background: var(--safety); border-color: var(--safety); color: var(--ink); font-weight: 600; }
.tag--dark { background: var(--ink); border-color: var(--ink); color: #fff; }

.row-2col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: start; }
@media (max-width: 800px) { .row-2col { grid-template-columns: 1fr; } }

/* Animations ---------------------------------------------- */
@keyframes fade-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.fade-up { animation: fade-up 600ms cubic-bezier(.2,.7,.3,1) both; }

/* Print --------------------------------------------------- */
@media print { .header, .footer, .wa-float, .topbar { display: none; } }

/* Animations ----------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 600ms cubic-bezier(.2,.7,.3,1), transform 600ms cubic-bezier(.2,.7,.3,1);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }

.header { transition: box-shadow var(--t), background var(--t); }
.header.is-scrolled { box-shadow: 0 6px 24px rgba(0,0,0,0.06); }

/* Hover micro */
.btn { transition: transform var(--t), background var(--t), color var(--t), border-color var(--t), box-shadow var(--t); }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* Card-style hover lift */
.solutions > a, .projects > a, .segments > a, .ac-grid > *, .pillars > *, .testimonials > * {
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.solutions > a:hover, .projects > a:hover, .segments > a:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.nav__link, .footer a, .topbar a { transition: color var(--t), background var(--t), transform var(--t); }
.wa-float { transition: transform var(--t), box-shadow var(--t); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  html { scroll-behavior: auto; }
}