/* =================================================================
   /corp — Fotografo Aziendale Milano
   Tema corporate chiaro, pulito. Topbar condivisa via --tb-* (shared).
   ================================================================= */
:root {
  --bg: #ffffff;
  --bg-soft: #f5f5f3;
  --fg: #15140e;
  --fg-soft: #3a382f;
  --muted: #6f6d64;
  --line: rgba(21, 20, 14, 0.12);
  --line-soft: rgba(21, 20, 14, 0.07);
  --accent: #1e2bff;

  --font-display: "Inter Tight", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  --maxw: 1240px;
  --gut: clamp(20px, 5vw, 64px);
  --radius: 20px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* ---- top bar condivisa (assets/shared/topbar.css) — tema chiaro ---- */
  --tb-sans: var(--font-display);
  --tb-mono: var(--font-mono);
  --tb-ease: var(--ease);
  --tb-pad: var(--gut);
  --tb-pill: #ececef;
  --tb-pill-hover: #e2e2e8;
  --tb-fg: var(--fg);
  --tb-fg-dim: color-mix(in srgb, var(--fg) 45%, transparent);
  --tb-cta-bg: #15140e;
  --tb-cta-fg: #ffffff;
  --tb-card: #fff;
  --tb-card-fg: #15140e;
  --tb-card-muted: rgba(21, 20, 14, 0.42);
  --tb-link-hover: #1e2bff;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.corp {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.corp p { margin: 0 0 1.05em; color: var(--fg-soft); }
.corp p:last-child { margin-bottom: 0; }

.corp-container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }

.corp-eyebrow {
  font-family: var(--font-mono); font-size: 12.5px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted);
  margin: 0 0 18px;
}
.corp-h2 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(28px, 4vw, 50px); line-height: 1.04; letter-spacing: -0.02em;
  margin: 0 0 clamp(32px, 4vw, 56px); max-width: 18ch;
}
.corp-h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(24px, 3vw, 38px); line-height: 1.08; letter-spacing: -0.02em;
  margin: 0 0 24px;
}

/* ---------- HERO ---------- */
.corp-hero { padding: clamp(108px, 15vh, 176px) 0 clamp(24px, 3vw, 44px); }
.corp-hero__title {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(44px, 10.5vw, 150px); line-height: 0.92; letter-spacing: -0.035em;
  margin: 0; max-width: 14ch;
}

/* ---------- INTRO ---------- */
.corp-intro { padding: clamp(28px, 4vw, 56px) 0 clamp(60px, 8vw, 110px); }
.corp-intro__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.corp-lead { font-size: clamp(18px, 1.5vw, 21px); color: var(--fg); line-height: 1.5; }
.corp-intro__media img { width: 100%; aspect-ratio: 4 / 5; max-height: 64vh; object-fit: cover; border-radius: var(--radius); }
.corp-intro__body {
  margin-top: clamp(48px, 6vw, 90px); max-width: 64ch;
  font-size: clamp(17px, 1.3vw, 19px);
}

/* loghi clienti */
.corp-clients__label {
  font-family: var(--font-mono); font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--muted); margin: 40px 0 22px;
}
.corp-clients--row { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(22px, 3vw, 44px); }
.corp-clients--row img { height: 30px; width: auto; object-fit: contain; filter: grayscale(1); opacity: 0.62; }

/* ---------- SERVIZI ---------- */
.corp-service { padding: clamp(56px, 8vw, 120px) 0; border-top: 1px solid var(--line-soft); }
.corp-service__grid {
  display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
.corp-service__grid.is-rev .corp-service__media { order: 2; }
.corp-service__media img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius);
}
.corp-service__text { max-width: 56ch; }

/* ---------- ACCORDION ---------- */
.corp-acc { margin-top: clamp(26px, 3vw, 40px); }
.corp-acc__item { border-top: 1px solid var(--line); }
.corp-acc__item:last-child { border-bottom: 1px solid var(--line); }
.corp-acc__head {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: none; border: 0; cursor: pointer; text-align: left; color: var(--fg);
  padding: 20px 2px; font-family: var(--font-display); font-weight: 600;
  font-size: clamp(16px, 1.5vw, 19px); letter-spacing: -0.01em; line-height: 1.25;
}
.corp-acc__ic { position: relative; flex: 0 0 auto; width: 16px; height: 16px; }
.corp-acc__ic::before, .corp-acc__ic::after {
  content: ""; position: absolute; background: var(--fg); border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
}
.corp-acc__ic::before { top: 7px; left: 0; width: 16px; height: 2px; }      /* − */
.corp-acc__ic::after  { left: 7px; top: 0; width: 2px; height: 16px; }       /* | */
.corp-acc__item.is-open .corp-acc__ic::after { transform: scaleY(0); opacity: 0; }
.corp-acc__body { max-height: 0; overflow: hidden; transition: max-height 0.45s var(--ease); }
.corp-acc__inner { padding: 0 2px 24px; max-width: 64ch; color: var(--fg-soft); }
.corp-acc__inner p { font-size: 16px; }

/* ---------- GALLERIA (full-bleed slider) ---------- */
.corp-gallery {
  margin-top: clamp(40px, 6vw, 84px);
  overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  scrollbar-width: none; cursor: grab;
}
.corp-gallery::-webkit-scrollbar { display: none; }
.corp-gallery.is-drag { cursor: grabbing; scroll-snap-type: none; }
.corp-gallery.is-drag img { pointer-events: none; }
.corp-gallery__track {
  display: flex; gap: 14px; width: max-content;
  padding: 0 var(--gut);
}
.corp-gallery__item { margin: 0; scroll-snap-align: start; }
.corp-gallery__item img {
  height: clamp(330px, 50vw, 560px); width: auto; border-radius: 16px; object-fit: cover;
  user-select: none; -webkit-user-drag: none;
}

/* ---------- APPROCCIO ---------- */
.corp-approach { padding: clamp(70px, 9vw, 130px) 0; background: var(--bg-soft); }
.corp-step {
  display: grid; grid-template-columns: auto 1fr; gap: clamp(24px, 5vw, 72px);
  padding: clamp(30px, 4vw, 54px) 0; border-top: 1px solid var(--line);
}
.corp-step:last-child { border-bottom: 1px solid var(--line); }
.corp-step__num {
  font-family: var(--font-mono); font-size: clamp(15px, 1.4vw, 18px); font-weight: 500;
  color: var(--accent); padding-top: 6px;
}
.corp-step__title {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: -0.02em; margin: 0 0 18px; line-height: 1.1;
}
.corp-step__content { max-width: 68ch; }

/* ---------- MURO LOGHI ---------- */
.corp-wall { padding: clamp(60px, 8vw, 110px) 0; }
.corp-wall__label { text-align: center; margin-bottom: clamp(34px, 4vw, 56px); }
.corp-clients--wall {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  align-items: center; gap: clamp(28px, 4vw, 56px);
}
.corp-clients--wall img {
  height: 36px; width: 100%; object-fit: contain; filter: grayscale(1); opacity: 0.6;
  transition: opacity 0.3s var(--ease), filter 0.3s var(--ease);
}
.corp-clients--wall img:hover { filter: grayscale(0); opacity: 1; }

/* ---------- PERCHÉ ---------- */
.corp-why { padding: clamp(70px, 9vw, 130px) 0; border-top: 1px solid var(--line-soft); }
.corp-why__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(32px, 4vw, 64px);
}
.corp-why__title {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(20px, 1.7vw, 24px);
  letter-spacing: -0.01em; margin: 0 0 18px; padding-top: 24px; border-top: 2px solid var(--fg);
}
.corp-why__block p { font-size: 16px; }

/* ---------- FAQ ---------- */
.corp-faq { padding: clamp(60px, 8vw, 120px) 0 clamp(80px, 10vw, 140px); border-top: 1px solid var(--line-soft); }
.corp-faq__grid { display: grid; grid-template-columns: 0.8fr 2fr; gap: clamp(28px, 4vw, 72px); align-items: start; }
.corp-faq__aside { position: sticky; top: 110px; }
.corp-faq__aside .corp-h2 { margin: 0; }

/* ---------- FOOTER ---------- */
.corp-footer { background: #15140e; color: #f3f2ec; padding: clamp(56px, 8vw, 110px) 0 40px; }
.corp-footer .corp-eyebrow { color: rgba(243, 242, 236, 0.55); }
.corp-footer__mail {
  font-family: var(--font-display); font-weight: 700; text-decoration: none;
  font-size: clamp(28px, 6vw, 72px); letter-spacing: -0.03em; line-height: 1; color: #f3f2ec;
  display: inline-block; transition: opacity 0.3s var(--ease);
}
.corp-footer__mail:hover { opacity: 0.6; }
.corp-footer__meta {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  margin-top: clamp(48px, 7vw, 90px); padding-top: 28px; border-top: 1px solid rgba(243, 242, 236, 0.16);
  font-family: var(--font-mono); font-size: 12.5px; color: rgba(243, 242, 236, 0.6);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  .corp-intro__grid { grid-template-columns: 1fr; gap: clamp(28px, 6vw, 44px); }
  .corp-intro__media { order: -1; }
  .corp-intro__media img { max-height: 56vh; }
  .corp-service__grid { grid-template-columns: 1fr; gap: clamp(26px, 6vw, 40px); }
  .corp-service__grid.is-rev .corp-service__media { order: -1; }
  .corp-service__media { order: -1; }
  .corp-service__media img { aspect-ratio: 3 / 4; max-height: 72vh; }
  .corp-service__text, .corp-acc__inner, .corp-step__content { max-width: none; }
  .corp-why__grid { grid-template-columns: 1fr; gap: clamp(28px, 6vw, 44px); }
  .corp-faq__grid { grid-template-columns: 1fr; }
  .corp-faq__aside { position: static; }
}
@media (max-width: 560px) {
  body.corp { font-size: 16px; }
  .corp-step { grid-template-columns: 1fr; gap: 10px; }
  .corp-step__num { padding-top: 0; }
  .corp-gallery__item img { height: clamp(300px, 78vw, 440px); }
  .corp-clients--row img { height: 24px; }
  .corp-clients--wall { grid-template-columns: repeat(auto-fit, minmax(92px, 1fr)); gap: 28px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .corp-acc__body, .corp-acc__ic::before, .corp-acc__ic::after { transition: none; }
}