:root {
  --color-bg: #000;
  --color-text: #e6e6e6;
  --color-accent: #9f7bff;
  --color-accent-soft: #6d5ac7;
  --font-base: "Nunito Sans", "Helvetica Neue", Arial, sans-serif;
  --font-size-base: clamp(14px, 1.05vw, 18px);
  --transition-fast: 160ms ease;
  --max-width: 1400px;

  /* Scala tipografica fluida per mantenere gerarchie coerenti */
  --fs-brand-h2: clamp(1.05rem, 1.6vw, 1.35rem);
  --fs-brand-h3: clamp(0.95rem, 1.2vw, 1.08rem);
  --fs-brand-text: clamp(0.9rem, 1vw, 1.03rem);
  --fs-subbrand-p: clamp(0.78rem, 0.9vw, 0.92rem);
  --fs-footer: clamp(0.62rem, 0.8vw, 0.72rem);
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  display: flex;
  flex-direction: column;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: 1.4;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  overflow-y: auto; /* abilita scroll naturale, evita sovrapposizioni */
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.site-header {
  position: static;
  text-align: center;
  /* margini fluidi: più respiro sotto il logo soprattutto su mobile */
  margin: clamp(16px, 3vw, 28px) auto clamp(16px, 4vw, 36px);
  /* protezione laterale per testi lunghi */
  padding-inline: clamp(12px, 4vw, 28px);
}
.logo-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0; /* rimosso rettangolo di background */
  position: relative;
}
.logo-main:before {
  content: "";
  position: absolute;
  inset: -14px -24px;
  background: radial-gradient(
    ellipse at center,
    rgba(255, 255, 255, 0.16) 0%,
    rgba(255, 255, 255, 0.08) 36%,
    rgba(255, 255, 255, 0.03) 58%,
    rgba(255, 255, 255, 0) 76%
  );
  filter: blur(10px);
  pointer-events: none;
}
.logo-main img {
  width: clamp(140px, 18vw, 260px);
  height: auto;
  filter: none;
  mix-blend-mode: normal;
}

.logo-wordmark {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.logo-line {
  font-family: "Cormorant Garamond", serif;
}
.logo-line--top {
  font-size: clamp(36px, 12vw, 118px);
  color: #edeae4; /* crema/marmo chiaro */
  font-weight: 400;
}
.logo-line--bottom {
  font-size: clamp(16px, 4.2vw, 36px);
  color: #faf9f6; /* bianco caldo distinto */
  font-weight: 700;
}

/* underline sfumato elegante sotto il claim */
.logo-line--bottom::after {
  content: "";
  display: block;
  width: min(64%, 520px);
  height: 1px;
  margin: 0.6rem auto 0;
  background: linear-gradient(
    90deg,
    rgba(237, 234, 228, 0),
    rgba(237, 234, 228, 0.35),
    rgba(237, 234, 228, 0)
  );
}

.logo-claim {
  margin: clamp(12px, 2.4vw, 18px) auto 0;
  max-width: min(85ch, 100%);
  font-family: var(--font-base);
  font-size: var(--fs-brand-text);
  line-height: 1.55;
  color: var(--color-text);
  opacity: 0.9;
  letter-spacing: 0.25px;
  text-transform: none;
  text-align: center;
  text-wrap: pretty;
  /* Preferisci andare a capo per parole intere e disabilita la sillabazione automatica */
  -webkit-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
  /* Evita di rompere le parole in mezzo; lascia il wrapping ai confini delle parole */
  word-break: normal;
  overflow-wrap: normal;
}

/* La scala delle dimensioni del logo e del claim è gestita con clamp(),
   non serve un override specifico per small-screen */

.site-main {
  width: 100%;
  display: block;
  padding: 0 4vw;
  position: relative;
  flex: 1;
}

.brands {
  display: grid;
  gap: 2.4rem clamp(1.8rem, 3.5vw, 4.4rem);
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  align-items: start; /* evita che le card più corte si allunghino inutilmente */
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Consultingo a tutta larghezza nella prima riga */
.brand[data-brand="consultingo"] {
  grid-column: 1 / -1;
}

/* Card base brand */
.brand {
  position: relative;
  padding: 1.4rem 1.4rem 1.55rem;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0)
  );
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 18px;
  backdrop-filter: blur(6px) saturate(140%);
  -webkit-backdrop-filter: blur(6px) saturate(140%);
  transition: border-color var(--transition-fast),
    transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.brand:hover,
.brand:focus-visible {
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-4px);
  box-shadow: 0 6px 24px -8px rgba(0, 0, 0, 0.6),
    0 0 0 3px rgba(255, 255, 255, 0.05);
  outline: none;
}

.brand:focus-visible {
  box-shadow: 0 0 0 3px var(--color-accent-soft),
    0 0 0 6px rgba(255, 255, 255, 0.12);
}

.brand[role="link"] {
  cursor: pointer;
}
.brand[role="link"]:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

.brand h2,
.brand h3 {
  margin: 0.75rem 0 0.5rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}
.brand h2 {
  font-size: var(--fs-brand-h2);
}
.brand h3 {
  font-size: var(--fs-brand-h3);
  opacity: 0.9;
}
.brand-title {
  font-family: "Open Sans", sans-serif;
  font-weight: 400;
  color: #3a48ab;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-text {
  margin: 0.25rem 0 0.85rem;
  font-size: var(--fs-brand-text);
  opacity: 0.82;
}

.brand-logo {
  width: 100%;
  max-width: 160px;
  margin-bottom: clamp(
    0.55rem,
    1vw,
    0.9rem
  ); /* spazio uniforme sotto i loghi delle card */
}

/* Layout ottimizzato per logo quadrato di Dottor Buche */
.brand[data-brand="dottor-buche"] .brand-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: clamp(0.8rem, 1.6vw, 1.25rem);
  row-gap: 0.25rem;
}
.brand[data-brand="dottor-buche"] .brand-logo {
  width: clamp(72px, 7.2vw, 92px);
  height: clamp(72px, 7.2vw, 92px);
  margin-bottom: 0; /* nessuno spazio sotto: layout orizzontale */
  object-fit: contain;
}
.brand[data-brand="dottor-buche"] .brand-info h2 {
  margin: 0 0 0.25rem 0;
}
.brand[data-brand="dottor-buche"] .brand-info .brand-text {
  margin: 0;
  opacity: 0.8;
}

@media (max-width: 560px) {
  .brand[data-brand="dottor-buche"] .brand-row {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .brand[data-brand="dottor-buche"] .brand-logo {
    margin-bottom: 0.6rem; /* quando stacca a colonna, riaggiungi respiro sotto il logo */
  }
}

.sub-brands {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.25rem;
  margin-top: 0.75rem;
}
.sub-brand {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.85rem 0.85rem 0.95rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition-fast),
    border-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  color: inherit;
  display: block;
}
.sub-brand:hover,
.sub-brand:focus-visible {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.18);
  outline: none;
}
.sub-brand:focus-visible {
  box-shadow: 0 0 0 2px var(--color-accent);
}
.sub-brand p {
  margin: 0;
  font-size: var(--fs-subbrand-p);
  line-height: 1.3;
  opacity: 0.7;
}

.site-footer {
  position: static;
  padding: 1.15rem 1.75rem 1.4rem;
  font-size: var(--fs-footer);
  letter-spacing: 0.4px;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  /* spazio dalla griglia di card */
  margin-top: clamp(16px, 4vw, 36px);
}
.footer-inner {
  text-align: center;
  opacity: 0.85;
}
.footer-inner p {
  margin: 0.15rem 0;
}
.footer-inner a {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px dotted rgba(255, 255, 255, 0.3);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.footer-inner a:hover {
  color: #fff;
  border-color: #fff;
}

/* Responsive adjustments */
@media (max-width: 840px) {
  body {
    font-size: clamp(14px, 1.7vw, 17px);
  }
  .brands {
    gap: 2rem 1.5rem;
  }
  .brand {
    padding: 1.25rem 1.1rem 1.25rem;
  }
  .logo-main img {
    width: clamp(140px, 40vw, 220px);
  }
  .site-footer {
    padding: 1rem 1.25rem 1.25rem;
  }
}

/* Sotto una certa larghezza, passa a 1 colonna per evitare schiacciamenti */
@media (max-width: 720px) {
  .brands {
    grid-template-columns: 1fr;
  }
}

@media (max-height: 760px) {
  body {
    overflow-y: auto;
  } /* su altezze ridotte, nessuna restrizione: tutto scorre normalmente */
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .brand,
  .sub-brand {
    transition: none;
  }
}