/* ============================================
   basi.css — pagina Le basi
   ============================================ */

/* ========== HERO ========== */
.basi-hero {
  position: relative;
  overflow: hidden;
  padding: 6rem 1.5rem 4rem;
}

.basi-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
}

.basi-hero__top {
  text-align: center;
  margin-bottom: 2.5rem;
}

.basi-hero__img-wrap {
  width: 80%;
  margin: 0 auto;
  pointer-events: none;
}

.basi-hero__illustration {
  width: 100%;
  height: auto;
  display: block;
  mix-blend-mode: multiply;
  filter: brightness(1.08) saturate(0.95);
}

.basi-hero__illustration--mobile  { display: none; }
.basi-hero__illustration--desktop { display: block; }


.basi-hero__title .accent {
  font-size: 0.65em;
}

.basi-hero__sub {
  max-width: 52ch;
  margin: 2rem auto 0;
  font-size: 1.05rem;
  color: var(--color-ink-soft);
  line-height: 1.7;
  text-align: center;
}

/* Gradiente animato — cycling tra toni brand */
.basi-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    135deg,
    #f0f4d8 0%,
    #F5EDE3 25%,
    #faeee9 50%,
    #e8f0c4 75%,
    #F5EDE3 100%
  );
  background-size: 400% 400%;
  animation: basiGradShift 12s ease infinite;
}

@keyframes basiGradShift {
  0%   { background-position: 0%   50%; }
  25%  { background-position: 50%  0%;  }
  50%  { background-position: 100% 50%; }
  75%  { background-position: 50%  100%;}
  100% { background-position: 0%   50%; }
}

/* Contenuto sopra al gradiente */
.basi-hero .container {
  position: relative;
  z-index: 1;
}

.basi-hero__eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 1.25rem;
}

.basi-hero__title {
  font-family: 'Raleway', sans-serif;
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin: 0 0 1.5rem;
}

.basi-hero__sub {
  max-width: 52ch;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--color-ink-soft);
  line-height: 1.7;
}

/* ========== CAROUSEL (clonato da home.css) ========== */
.concepts-section {
  position: relative;
  height: 450vh;
  background: var(--color-bg);
}

.concepts-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  background-image:
    radial-gradient(ellipse at 15% 10%, rgba(150,175,0,0.07) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 90%, rgba(226,56,84,0.05) 0%, transparent 45%);
}

.concepts-header {
  flex: 0 0 auto;
  text-align: center;
  padding: 6vh 1.5rem 0;
  position: relative;
  z-index: 3;
}

.concepts-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 0.75rem;
}

.concepts-title {
  font-family: 'Raleway', sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin: 0;
}

.concepts-track-wrapper {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  overflow: visible;
  position: relative;
  z-index: 2;
}

.concepts-track {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-left: calc(50vw - 170px);
  padding-right: calc(50vw - 170px);
  will-change: transform;
}

.concept-slide { flex: 0 0 340px; }

.concept-card-inner {
  will-change: transform, opacity;
  transform-origin: center center;
}

.concept-card {
  width: min(340px, 88vw);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 6px 6px 0 rgba(42,42,42,0.10), 0 2px 20px rgba(0,0,0,0.07);
  display: flex;
  flex-direction: column;
}

.concept-card__cover {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.concept-card__cover--green,
.concept-card__cover--amber,
.concept-card__cover--fuchsia,
.concept-card__cover--teal,
.concept-card__cover--coral,
.concept-card__cover--purple { background: #FDF4E8; }

.concept-card__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 1.25rem 1.5rem;
  display: block;
  mix-blend-mode: multiply;
}

.concept-card__body {
  padding: 18px 20px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.concept-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}

.concept-card__tag {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.concept-tag--green   { color: var(--color-green-dark); }
.concept-tag--amber   { color: #92400E; }
.concept-tag--fuchsia { color: var(--color-fuchsia-dark); }
.concept-tag--teal    { color: #065F46; }
.concept-tag--coral   { color: #9A3412; }
.concept-tag--purple  { color: #5B21B6; }

.concept-card__num {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1.4rem;
  line-height: 1;
}
.concept-num--green   { color: var(--color-green); }
.concept-num--amber   { color: #D97706; }
.concept-num--fuchsia { color: var(--color-fuchsia); }
.concept-num--teal    { color: #059669; }
.concept-num--coral   { color: #EA580C; }
.concept-num--purple  { color: #7C3AED; }

.concept-card__title {
  font-family: 'Raleway', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin: 4px 0 8px;
}

.concept-card__body p {
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--color-ink-soft);
  margin: 0 0 14px;
  flex: 1;
}

.concept-card__link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-green);
  text-decoration: none;
  transition: color 0.2s;
  align-self: flex-start;
}
.concept-card__link:hover { color: var(--color-green-dark); }

.concepts-hint {
  flex: 0 0 auto;
  text-align: center;
  padding-bottom: 16px;
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--color-ink-mute);
  position: relative;
  z-index: 3;
}

/* ========== SEZIONI DI DETTAGLIO ========== */
.basi-details {
  background: var(--color-bg);
}

.basi-concept {
  padding: 6rem 0;
  border-bottom: 1px solid var(--color-border);
}
.basi-concept:last-child { border-bottom: none; }

.basi-concept__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.basi-concept--alt .basi-concept__inner {
  direction: rtl;
}
.basi-concept--alt .basi-concept__inner > * {
  direction: ltr;
}

.basi-concept__img-wrap {
  background: #FDF4E8;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.basi-concept__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 2rem;
  mix-blend-mode: multiply;
}

.basi-concept__text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.basi-concept__text h2 {
  font-family: 'Raleway', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  margin: 0;
}

.basi-concept__text p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-ink-soft);
  max-width: 50ch;
}

/* ========== CTA FINALE ========== */
.basi-cta {
  background: var(--color-ink);
  padding: 8rem 1.5rem;
  text-align: center;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(150,175,0,0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 50%, rgba(226,56,84,0.10) 0%, transparent 55%);
}

.basi-cta__label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 1rem;
}

.basi-cta__title {
  font-family: 'Raleway', sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: white;
  margin: 0 0 1rem;
}

.basi-cta__title .accent {
  color: var(--color-green);
  font-family: var(--font-script);
  font-style: italic;
}

.basi-cta__sub {
  max-width: 48ch;
  margin: 0 auto 2.5rem;
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

/* ========== RESPONSIVE ========== */
/* Tablet / Mobile (< 800px) */
@media (max-width: 800px) {
  .basi-hero__title .accent { font-size: 0.75em; }
  /* Immagine desktop sborda — visibile solo la parte centrale */
  .basi-hero__img-wrap {
    width: 230%;
    max-width: none;
    margin-left: -65%;
  }
  .basi-hero__illustration--desktop { display: block; }
  .basi-hero__illustration--mobile  { display: none; }
}

/* Mobile (<400px) */
@media (max-width: 400px) {
  .basi-hero { padding: 4.5rem 1rem 3rem; }
  .basi-hero__img-wrap {
    width: 230%;
    max-width: none;
    margin-left: -65%;
  }

  .basi-concept { padding: 3.5rem 0; }

  .basi-concept__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .basi-concept--alt .basi-concept__inner { direction: ltr; }

  .basi-cta { padding: 5rem 1rem; }

  .concepts-track-wrapper { overflow: hidden; }
  .concept-slide { flex: 0 0 280px; }
  .concept-card { width: min(280px, 85vw); }
}