/* ============================================================
   Argos Industrial — Design System
   Paleta metalúrgica: grafite + cobre + dourado (cores da logo)
   Tipografia Inter / Sora
   ============================================================ */
:root {
  /* Base escura (aço/grafite) */
  --graphite: #14161a;
  --steel-900: #191c21;
  --steel-800: #23272e;
  --steel-700: #2d323b;

  /* Acentos derivados da logo (#7B3720 cobre · #FFCB31 ouro · #BBBDBF aço) */
  --copper: #b5703f;
  --copper-600: #9c5d31;
  --copper-700: #7b3720;
  --copper-50: #f7efe8;
  --gold: #ffcb31;
  --gold-soft: #f3b341;
  --steel-gray: #bbbdbf;

  /* Neutros (levemente frios p/ coesão metálica) */
  --ink: #1b1e23;
  --muted: #5c636d;
  --line: #e3e5e8;
  --bg: #ffffff;
  --bg-alt: #f4f5f6;
  --white: #ffffff;

  /* Sistema */
  --radius: 4px;
  --radius-sm: 3px;
  --shadow-sm: 0 1px 2px rgba(20, 22, 26, .08), 0 4px 16px rgba(20, 22, 26, .06);
  --shadow-md: 0 10px 30px rgba(20, 22, 26, .12);
  --shadow-lg: 0 24px 60px rgba(20, 22, 26, .22);
  --container: 1160px;
  --header-h: 84px;
  --ease: cubic-bezier(.22, 1, .36, 1);

  --ff-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --ff-display: 'Sora', var(--ff-sans);

  /* Textura quadriculada reutilizável */
  --grid-fade: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
               linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, iframe { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-family: var(--ff-display); line-height: 1.14; color: var(--graphite); letter-spacing: -.02em; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding: 96px 0; }
.section--alt { background: var(--bg-alt); }
.section__head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section__head h2 { font-size: clamp(1.7rem, 1rem + 2.4vw, 2.5rem); margin: 14px 0 12px; }
.section__head p { color: var(--muted); font-size: 1.06rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-weight: 600; font-size: .8rem; letter-spacing: .15em;
  text-transform: uppercase; color: var(--copper);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--copper); display: inline-block; }
.section__head .eyebrow { justify-content: center; }
.eyebrow--light { color: var(--gold); }
.eyebrow--light::before { background: var(--gold); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  font-family: var(--ff-sans); font-weight: 600; font-size: .98rem; line-height: 1;
  padding: 14px 26px; border-radius: var(--radius); border: 1.5px solid transparent;
  cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 20px; height: 20px; }
.btn--lg { padding: 17px 32px; font-size: 1.02rem; }
.btn--sm { padding: 10px 18px; font-size: .9rem; }
.btn--primary { background: var(--copper); color: #fff; box-shadow: 0 8px 22px rgba(123, 55, 32, .28); }
.btn--primary:hover { background: var(--copper-600); box-shadow: 0 12px 28px rgba(123, 55, 32, .38); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .28); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn--light { background: #fff; color: var(--graphite); }
.btn--light:hover { box-shadow: var(--shadow-lg); }

/* ---------- Header (escuro / grafite) ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(20, 22, 26, .82); backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .06); transition: background .3s, box-shadow .3s, border-color .3s;
}
.site-header.is-scrolled { background: rgba(20, 22, 26, .96); box-shadow: 0 8px 30px rgba(0, 0, 0, .35); }
.header__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); padding: 12px 0; }

.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand__mark { height: 42px; width: auto; display: block; flex: none; }
.brand__name { display: flex; flex-direction: column; justify-content: center; line-height: 1.2; }
.brand__name strong { font-family: var(--ff-display); font-weight: 800; font-size: 1.32rem; letter-spacing: .18em; color: #fff; }
.brand__name small { font-size: .68rem; letter-spacing: .34em; color: var(--steel-gray); text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 30px; }
.nav > a:not(.btn) { font-weight: 500; font-size: .95rem; color: #d4d7dc; position: relative; padding: 6px 0; }
.nav > a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--gold); transition: width .25s var(--ease);
}
.nav > a:not(.btn):hover { color: #fff; }
.nav > a:not(.btn):hover::after { width: 100%; }

.nav-toggle {
  display: none; width: 46px; height: 46px; border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius); background: rgba(255, 255, 255, .04); cursor: pointer; padding: 0;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { width: 20px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Moldura de foto (reutilizável) ---------- */
.frame { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--steel-800); }
.frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.frame figcaption {
  position: absolute; left: 0; bottom: 0; right: 0; z-index: 2;
  padding: 14px 16px; font-size: .82rem; font-weight: 500; color: #fff;
  background: linear-gradient(0deg, rgba(15, 16, 19, .85), transparent);
}
.frame::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(255, 255, 255, .08); border-radius: inherit; pointer-events: none; }

/* ---------- Hero (grafite + brilho de metal fundido) ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(820px 460px at 70% -8%, rgba(255, 203, 49, .15), transparent 55%),
    radial-gradient(680px 520px at 88% 40%, rgba(181, 112, 63, .28), transparent 60%),
    linear-gradient(180deg, var(--graphite) 0%, var(--steel-900) 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: var(--grid-fade); background-size: 46px 46px;
  mask-image: radial-gradient(120% 90% at 15% 0%, #000 30%, transparent 75%);
}
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; padding: 76px 0 92px; }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 1.1rem + 3.6vw, 3.5rem); margin: 18px 0 20px; }
.hero__lead { font-size: 1.15rem; color: #b6bcc4; max-width: 32em; }
.hero__lead strong { color: #fff; font-weight: 600; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 38px; }
.hero__trust { display: flex; gap: 38px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid rgba(255, 255, 255, .12); }
.hero__trust li { display: flex; flex-direction: column; }
.hero__trust strong { font-family: var(--ff-display); font-size: 1.4rem; color: var(--gold); letter-spacing: .01em; }
.hero__trust span { font-size: .84rem; color: #9aa1aa; }

/* Hero — figura/foto emoldurada */
.hero__figure { position: relative; }
.hero__figure .frame { aspect-ratio: 4 / 5; max-height: 520px; }
.hero__figure .frame::before {
  content: ""; position: absolute; z-index: 3; left: -1px; top: -1px; width: 64px; height: 64px;
  border-top: 3px solid var(--gold); border-left: 3px solid var(--gold); border-top-left-radius: var(--radius);
}
.frame__chip {
  position: absolute; z-index: 4; left: -22px; bottom: 28px; display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-radius: var(--radius); color: #fff;
  background: linear-gradient(135deg, var(--copper-700), var(--copper)); box-shadow: var(--shadow-lg);
  animation: float 6s var(--ease) infinite;
}
.frame__chip img { height: 34px; width: auto; filter: drop-shadow(0 2px 5px rgba(0, 0, 0, .3)); }
.frame__chip strong { display: block; font-family: var(--ff-display); font-weight: 700; font-size: 1rem; }
.frame__chip span { font-size: .76rem; color: #f0ddd0; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------- Credenciais + materiais ---------- */
.creds { background: var(--steel-800); color: #cfd3d8; border-top: 3px solid var(--copper); }
.creds__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; padding: 40px 0 28px; }
.creds__stats li { position: relative; padding-left: 18px; }
.creds__stats li::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 2px; background: var(--copper); }
.creds__stats strong { display: block; font-family: var(--ff-display); font-weight: 800; font-size: 1.5rem; color: #fff; line-height: 1.1; }
.creds__stats span { font-size: .86rem; color: #9aa1aa; }
.creds__mats { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; padding: 22px 0 40px; border-top: 1px solid rgba(255, 255, 255, .08); }
.creds__mats-label { font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: #8b929b; font-weight: 600; }
.creds__mats ul { display: flex; flex-wrap: wrap; gap: 10px; }
.creds__mats li { font-family: var(--ff-display); font-weight: 600; font-size: .94rem; color: #fff; padding: 6px 16px; border: 1px solid rgba(255, 255, 255, .14); border-radius: 40px; }

/* ---------- Processos (lista editorial + foto sticky) ---------- */
.proc__inner { display: grid; grid-template-columns: .86fr 1.14fr; gap: 64px; align-items: start; }
.proc__aside { position: sticky; top: calc(var(--header-h) + 28px); }
.proc__aside h2 { font-size: clamp(1.6rem, 1rem + 2vw, 2.3rem); margin: 14px 0 14px; }
.proc__aside > p { color: var(--muted); margin-bottom: 26px; }
.proc__photo { aspect-ratio: 4 / 3; margin-bottom: 26px; }
.proc__list { border-top: 1px solid var(--line); }
.proc__list li { display: flex; gap: 24px; align-items: flex-start; padding: 24px 8px; border-bottom: 1px solid var(--line); transition: background .25s, padding .25s; }
.proc__list li:hover { background: var(--copper-50); padding-left: 16px; }
.proc__n { flex: none; font-family: var(--ff-display); font-weight: 800; font-size: 1rem; color: #fff;
  width: 42px; height: 42px; display: grid; place-items: center; border-radius: 6px;
  background: var(--graphite); transition: background .25s; }
.proc__list li:hover .proc__n { background: var(--copper); }
.proc__list h3 { font-size: 1.16rem; margin-bottom: 5px; }
.proc__list p { color: var(--muted); font-size: .96rem; }

/* ---------- Showcase (faixa com foto de aço fundido) ---------- */
.showcase { position: relative; overflow: hidden; color: #fff; padding: 104px 0; }
.showcase::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: url("../img/ind-molten.jpg") center/cover no-repeat; transform: scale(1.06);
}
.showcase::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(120deg, rgba(20, 22, 26, .94) 0%, rgba(20, 22, 26, .80) 45%, rgba(123, 55, 32, .55) 100%);
}
.showcase__inner { position: relative; z-index: 2; max-width: 760px; }
.showcase h2 { color: #fff; font-size: clamp(1.7rem, 1rem + 2.4vw, 2.6rem); margin: 14px 0 16px; }
.showcase p { color: #d6dade; font-size: 1.08rem; max-width: 52em; }
.showcase__stats { display: flex; flex-wrap: wrap; gap: 44px; margin-top: 36px; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, .16); }
.showcase__stats li { display: flex; flex-direction: column; }
.showcase__stats strong { font-family: var(--ff-display); font-weight: 800; font-size: 2.2rem; color: var(--gold); line-height: 1; }
.showcase__stats span { font-size: .9rem; color: #c4c9ce; margin-top: 4px; }

/* ---------- Empresa ---------- */
.grid { display: grid; gap: 28px; }
.grid--split { grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about__media { position: relative; }
.about__frame { aspect-ratio: 5 / 4; }
.about__card {
  position: absolute; right: -18px; bottom: -22px; z-index: 3; max-width: 240px;
  padding: 20px 22px; border-radius: var(--radius); color: #fff;
  background: linear-gradient(135deg, var(--copper-700), var(--copper)); box-shadow: var(--shadow-lg);
}
.about__card strong { display: block; font-family: var(--ff-display); font-weight: 800; font-size: 2rem; line-height: 1; margin-bottom: 6px; }
.about__card span { font-size: .86rem; color: #f1e1d6; }
.about__content h2 { font-size: clamp(1.6rem, 1rem + 2vw, 2.3rem); margin: 14px 0 18px; }
.about__content p { color: var(--muted); margin-bottom: 16px; }
.about__content p strong { color: var(--ink); }
.values { display: grid; gap: 12px; margin: 22px 0 30px; }
.values li { display: flex; align-items: center; gap: 14px; color: var(--ink); font-size: 1rem; }
.values__tag {
  flex: none; min-width: 104px; text-align: center; padding: 7px 12px; border-radius: var(--radius);
  font-weight: 600; font-size: .82rem; color: var(--copper-700); background: var(--copper-50);
}

/* ---------- Produtos ---------- */
.grid--prod { grid-template-columns: repeat(2, 1fr); }
.prod {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 30px 32px 34px; transition: transform .3s var(--ease), box-shadow .3s var(--ease); overflow: hidden;
}
.prod::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(var(--gold), var(--copper)); }
.prod:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.prod__num { font-family: var(--ff-display); font-weight: 800; font-size: .9rem; color: var(--copper); letter-spacing: .1em; }
.prod h3 { font-size: 1.24rem; margin: 8px 0 10px; }
.prod p { color: var(--muted); font-size: .99rem; }
.prod p strong { color: var(--ink); font-weight: 600; }

/* ---------- Diferenciais ---------- */
.grid--feats { grid-template-columns: repeat(4, 1fr); }
.feat { padding: 30px 26px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.feat:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.feat__num { font-family: var(--ff-display); font-weight: 800; font-size: 1.1rem; color: #fff;
  width: 46px; height: 46px; display: grid; place-items: center; border-radius: 6px;
  background: linear-gradient(135deg, var(--copper-700), var(--copper)); margin-bottom: 18px; }
.feat h3 { font-size: 1.12rem; margin-bottom: 8px; }
.feat p { color: var(--muted); font-size: .95rem; }

/* ---------- Galeria (mosaico 5 fotos, simétrico) ---------- */
.gallery__grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 205px; gap: 18px; }
.gallery__item { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.gallery__item:hover img { transform: scale(1.06); }
.gallery__item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 14px 16px;
  font-size: .84rem; font-weight: 500; color: #fff; opacity: 0; transform: translateY(8px);
  background: linear-gradient(0deg, rgba(15, 16, 19, .85), transparent); transition: opacity .3s, transform .3s;
}
.gallery__item:hover figcaption { opacity: 1; transform: none; }
/* torres verticais ladeando + duas no topo do meio + faixa larga embaixo */
.g-tall-l { grid-column: 1; grid-row: 1 / span 2; }
.g-a      { grid-column: 2; grid-row: 1; }
.g-b      { grid-column: 3; grid-row: 1; }
.g-tall-r { grid-column: 4; grid-row: 1 / span 2; }
.g-wide   { grid-column: 2 / 4; grid-row: 2; }

/* ---------- Canal de Ética / Denúncias ---------- */
.ethics__card {
  position: relative; overflow: hidden; border-radius: var(--radius); color: #fff;
  background: linear-gradient(135deg, var(--steel-800) 0%, var(--graphite) 100%);
  border: 1px solid rgba(255, 255, 255, .08); border-left: 3px solid var(--copper);
  display: flex; align-items: center; gap: 32px; padding: 38px 44px; box-shadow: var(--shadow-md);
}
.ethics__card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: var(--grid-fade); background-size: 40px 40px;
  mask-image: radial-gradient(120% 140% at 100% 0%, #000 10%, transparent 70%);
}
.ethics__icon {
  position: relative; z-index: 2; flex: none; width: 66px; height: 66px; border-radius: 10px;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--copper-700), var(--copper));
  box-shadow: 0 8px 20px rgba(123, 55, 32, .35);
}
.ethics__icon svg { width: 34px; height: 34px; }
.ethics__body { position: relative; z-index: 2; flex: 1; }
.ethics__body h2 { color: #fff; font-size: clamp(1.4rem, 1rem + 1.5vw, 1.9rem); margin: 8px 0 8px; }
.ethics__body p { color: #c4c9ce; max-width: 60ch; font-size: 1rem; }
.ethics__cta { position: relative; z-index: 2; flex: none; }

/* ---------- CTA / Sustentabilidade ---------- */
.section--cta { position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(700px 400px at 90% 120%, rgba(255, 203, 49, .14), transparent 60%),
    linear-gradient(135deg, var(--copper-700) 0%, var(--steel-900) 95%); }
.section--cta::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: var(--grid-fade); background-size: 44px 44px;
  mask-image: radial-gradient(120% 120% at 0% 100%, #000 20%, transparent 70%);
}
.cta__inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta__inner h2 { color: #fff; font-size: clamp(1.6rem, 1rem + 2vw, 2.2rem); margin: 12px 0 14px; max-width: 16em; }
.cta__inner p { color: #e3d6cb; max-width: 40em; }

/* ---------- Contato ---------- */
.contact__info h2 { font-size: clamp(1.6rem, 1rem + 2vw, 2.3rem); margin: 14px 0 14px; }
.contact__info > p { color: var(--muted); margin-bottom: 28px; }
.contact__list { display: grid; gap: 22px; margin-bottom: 32px; }
.contact__list li { display: flex; gap: 16px; }
.contact__ico { flex: none; width: 46px; height: 46px; border-radius: 6px; display: grid; place-items: center;
  background: var(--copper-50); color: var(--copper-700); }
.contact__ico svg { width: 22px; height: 22px; }
.contact__list strong { display: block; color: var(--graphite); font-family: var(--ff-display); font-size: .98rem; margin-bottom: 3px; }
.contact__list div { color: var(--muted); font-size: .97rem; }
.contact__list a:hover { color: var(--copper); }
.contact__map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); min-height: 420px; border: 1px solid var(--line); }
.contact__map iframe { width: 100%; height: 100%; min-height: 420px; border: 0; filter: grayscale(.2) contrast(1.05); }

/* ---------- Footer ---------- */
.footer { background: var(--graphite); color: #aeb3bb; padding-top: 64px; border-top: 3px solid var(--copper); }
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1.3fr; gap: 40px; padding-bottom: 48px; }
.footer__logo { height: 74px; width: auto; }
.footer__brand p { margin-top: 18px; font-size: .94rem; max-width: 34em; color: #8b9099; }
.footer h4 { color: #fff; font-size: .96rem; margin-bottom: 16px; }
.footer__nav { display: flex; flex-direction: column; gap: 10px; }
.footer__nav a, .footer__contact a { color: #aeb3bb; font-size: .94rem; transition: color .2s; }
.footer__nav a:hover, .footer__contact a:hover { color: var(--gold); }
.footer__contact p { font-size: .94rem; margin-bottom: 8px; }
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0; font-size: .86rem; color: #7c828b; }
.footer__bottom .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer__iso { font-weight: 600; letter-spacing: .08em; color: var(--steel-gray); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .grid--feats { grid-template-columns: repeat(2, 1fr); }
  .grid--prod { grid-template-columns: 1fr; }
  .hero__inner { grid-template-columns: 1fr; gap: 44px; padding: 56px 0 72px; }
  .hero__figure { max-width: 460px; }
  .grid--split { grid-template-columns: 1fr; gap: 56px; }
  .proc__inner { grid-template-columns: 1fr; gap: 36px; }
  .proc__aside { position: static; }
  .proc__photo { max-width: 520px; }
  .creds__stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .section { padding: 72px 0; }
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--steel-900); padding: 18px 24px 26px; border-bottom: 1px solid rgba(255, 255, 255, .08);
    box-shadow: var(--shadow-md); transform: translateY(-120%); transition: transform .35s var(--ease); visibility: hidden;
  }
  .nav.is-open { transform: translateY(0); visibility: visible; }
  .nav > a:not(.btn) { padding: 13px 4px; border-bottom: 1px solid rgba(255, 255, 255, .08); color: #d4d7dc; }
  .nav > a:not(.btn)::after { display: none; }
  .nav__cta { margin-top: 10px; text-align: center; }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
  .g-tall-l, .g-a, .g-b, .g-tall-r { grid-column: auto; grid-row: auto; }
  .g-wide { grid-column: 1 / 3; grid-row: auto; }
  .ethics__card { flex-direction: column; align-items: flex-start; gap: 22px; padding: 32px 28px; text-align: left; }
  .ethics__cta { width: 100%; }
}

@media (max-width: 560px) {
  .grid--feats { grid-template-columns: 1fr; }
  .creds__stats { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom .container { justify-content: flex-start; }
  .hero__actions .btn { flex: 1 1 auto; }
  .showcase__stats { gap: 28px; }
  .about__card { right: 12px; bottom: -16px; }
  .gallery__grid { grid-template-columns: 1fr; grid-auto-rows: 200px; }
  .g-tall-l, .g-a, .g-b, .g-tall-r, .g-wide { grid-column: auto; grid-row: auto; }
}

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