/* ═══════════════════════════════════════════════════════════
   Nile — navigazione e sezioni
   ═══════════════════════════════════════════════════════════ */

/* ── nav ──────────────────────────────────────────────────── */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem var(--gutter);
  transition: background 0.6s var(--ease), padding 0.6s var(--ease), border-color 0.6s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  padding-block: 1rem;
  background: var(--glass);
  backdrop-filter: blur(14px) saturate(0.7);
  border-bottom-color: var(--hair-soft);
}

.nav__mark { display: flex; align-items: baseline; gap: 0.6rem; }
.nav__wordmark {
  font-size: 1.55rem;
  letter-spacing: 0.16em;
  color: var(--bone);
  text-transform: uppercase;
}
.nav__sub {
  font-family: var(--sans);
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bone-faint);
}

.nav__links {
  display: flex;
  gap: clamp(1.2rem, 2.6vw, 2.6rem);
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-dim);
}
.nav__links a:hover { color: var(--bone); }

.nav__cta {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  border-bottom: 1px solid var(--brass-dim);
  padding-bottom: 0.3rem;
}
.nav__cta:hover { color: var(--bone); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 30px;
  padding: 8px 0;
  background: none;
  border: 0;
  cursor: pointer;
}
.nav__burger span { display: block; height: 1px; background: var(--bone-2); transition: transform 0.4s var(--ease), opacity 0.4s var(--ease); }
.nav__burger[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ── hero ─────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center start;
  padding: 8rem var(--gutter) 7rem;
  overflow: hidden;
}

.hero__halo {
  position: absolute;
  top: 47%;
  left: 68%;
  width: min(70vh, 46rem);
  aspect-ratio: 1;
  translate: -50% -50%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(232, 224, 211, 0.10), transparent 60%);
  box-shadow:
    inset 0 0 0 1px rgba(232, 224, 211, 0.09),
    0 0 120px 20px rgba(195, 154, 90, 0.06);
  animation: breathe 11s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.035); }
}

.hero__guitar {
  position: absolute;
  top: 50%;
  left: 50%;
  left: 68%;
  height: min(88vh, 55rem);
  translate: -50% -50%;
  opacity: 0.78;
  filter: brightness(1.28) contrast(1.06);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 14%, #000 82%, transparent 99%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 14%, #000 82%, transparent 99%);
  pointer-events: none;
}

.hero__inner { position: relative; z-index: 2; max-width: 40rem; }

.hero__title {
  font-size: var(--fs-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 1.6rem;
  text-shadow: 0 0 60px rgba(10, 9, 8, 0.9);
}

.hero__lede {
  font-size: var(--fs-lede);
  color: var(--bone-2);
  line-height: 1.75;
  margin-bottom: 2.8rem;
  text-shadow: 0 2px 24px rgba(10, 9, 8, 0.85);
}

.hero__actions { display: flex; gap: 1.2rem; flex-wrap: wrap; }

.hero__scroll {
  position: absolute;
  bottom: 2.4rem;
  left: var(--gutter);
  display: grid;
  justify-items: start;
  gap: 0.9rem;
  z-index: 2;
}
.hero__scroll .label { margin: 0; font-size: 0.6rem; letter-spacing: 0.36em; }
.hero__line {
  width: 1px;
  height: 4.5rem;
  background: linear-gradient(to bottom, var(--bone-faint), transparent);
  position: relative;
  overflow: hidden;
}
.hero__line::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  height: 40%;
  background: var(--brass);
  animation: drip 2.6s var(--ease) infinite;
}
@keyframes drip {
  0%   { transform: translateY(-120%); opacity: 0; }
  35%  { opacity: 1; }
  100% { transform: translateY(300%); opacity: 0; }
}

/* ── manifesto ────────────────────────────────────────────── */

.manifesto {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: var(--stack) var(--gutter);
}
.manifesto .display { margin-bottom: clamp(3rem, 7vw, 6rem); }
.manifesto__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
  max-width: 62rem;
  margin-left: auto;
  font-size: var(--fs-lede);
  color: var(--bone-dim);
}

/* ── turntable ────────────────────────────────────────────── */

.tt {
  position: relative;
  height: 440vh;              /* corsa di scroll = quanti giri fa la chitarra */
  border-top: 1px solid var(--hair-soft);
  border-bottom: 1px solid var(--hair-soft);
}

.tt__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
}

.tt__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  filter: brightness(1.22) contrast(1.04);
}

/* anello luminoso dietro allo strumento */
.tt__ring {
  position: absolute;
  top: 52%;
  left: 66%;
  width: min(74vh, 44rem);
  aspect-ratio: 1;
  translate: -50% -50%;
  border-radius: 50%;
  border: 1px solid rgba(232, 224, 211, 0.14);
  box-shadow: 0 0 90px 6px rgba(195, 154, 90, 0.07);
  background: radial-gradient(circle, rgba(195, 154, 90, 0.06), transparent 65%);
  /* --p (0→1) arriva da JS: l'anello si allarga e ruota con lo scroll */
  transform: rotate(calc(var(--p, 0) * 190deg)) scale(calc(0.86 + var(--p, 0) * 0.28));
  transform-origin: center;
}
.tt__ring::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  border: 1px solid transparent;
  border-top-color: rgba(240, 232, 214, 0.75);
  border-right-color: rgba(240, 232, 214, 0.25);
  filter: blur(0.3px) drop-shadow(0 0 14px rgba(232, 224, 211, 0.35));
}

.tt__ui {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(5.5rem, 10vh, 8rem) var(--gutter) clamp(2rem, 5vh, 3.5rem);
  pointer-events: none;
}

.tt__head { display: flex; align-items: baseline; justify-content: space-between; gap: 2rem; }
.tt__head .label { margin: 0; }
.tt__model {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bone);
}
.tt__model span { color: var(--bone-faint); font-size: 0.8rem; }

.tt__steps {
  position: relative;
  align-self: center;
  width: min(30rem, 42vw);
}

.tt__step {
  position: absolute;
  inset-inline: 0;
  top: 50%;
  translate: 0 -50%;
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  pointer-events: none;
}
.tt__step.is-on { opacity: 1; transform: none; pointer-events: auto; }

.tt__step h3 {
  font-size: var(--fs-h3);
  margin-bottom: 1.1rem;
}
.tt__step p {
  color: var(--bone-dim);
  max-width: 26rem;
  margin-bottom: 1.8rem;
}
.tt__step dl {
  display: flex;
  gap: 2.6rem;
  margin: 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--hair);
}
.tt__step dt {
  font-family: var(--sans);
  font-size: 0.6rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--bone-faint);
  margin-bottom: 0.5rem;
}
.tt__step dd { margin: 0; color: var(--bone); font-size: 1.05rem; }

.tt__meter {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  height: 1px;
  background: var(--hair);
  position: relative;
}
.tt__meter-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 1px;
  width: calc(var(--p, 0) * 100%);
  background: linear-gradient(to right, transparent, var(--brass));
}
.tt__deg {
  position: absolute;
  right: 0;
  top: 1rem;
  font-family: var(--sans);
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  color: var(--bone-faint);
}

/* ── collezione ───────────────────────────────────────────── */

.section-head {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 0 var(--gutter);
  margin-bottom: clamp(3rem, 7vw, 5.5rem);
}

.collection, .process, .woods, .contact { padding-block: var(--stack); }

.grid {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 3.5vw, 3.5rem) clamp(1.5rem, 2.5vw, 2.5rem);
}
@media (min-width: 40rem) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 66rem) { .grid { grid-template-columns: repeat(3, 1fr); } }

.card__img {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 50% 30%, rgba(195, 154, 90, 0.10), transparent 70%),
    linear-gradient(to bottom, var(--soot), var(--ink-2));
  border: 1px solid var(--hair-soft);
}
.card__img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 5% 14%;
  transition: transform 1.2s var(--ease), opacity 0.9s var(--ease);
  opacity: 0.85;
}
.card:hover .card__img img { transform: scale(1.06) translateY(-1%); opacity: 1; }

.card__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.4rem 0 0.7rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--hair-soft);
}
.card__meta h3 { font-size: 1.5rem; letter-spacing: 0.04em; }
.card__meta span {
  font-family: var(--sans);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-faint);
  text-align: right;
}
.card p { color: var(--bone-dim); font-size: 0.98rem; }

/* ── processo ─────────────────────────────────────────────── */

.steps {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: clamp(2rem, 4vw, 4rem);
  margin-block: 0;
}
.step { border-top: 1px solid var(--hair); padding-top: 1.6rem; }
.step__n {
  display: block;
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  color: var(--brass-dim);
  margin-bottom: 1.6rem;
}
.step h3 { font-size: 1.7rem; margin-bottom: 0.9rem; }
.step p { color: var(--bone-dim); font-size: 0.98rem; }

/* ── legni + citazione ────────────────────────────────────── */

.woods { overflow: hidden; }

.marquee {
  border-block: 1px solid var(--hair-soft);
  padding-block: 1.5rem;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  gap: 2.4rem;
  width: max-content;
  animation: slide 46s linear infinite;
  font-size: clamp(1.4rem, 3vw, 2.6rem);
  color: var(--bone-faint);
  white-space: nowrap;
}
.marquee__track span:nth-child(even) { color: var(--brass-dim); }
@keyframes slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.quote {
  max-width: 46rem;
  margin: clamp(4rem, 10vh, 8rem) auto 0;
  padding-inline: var(--gutter);
  text-align: center;
}
.quote p {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-style: italic;
  color: var(--bone);
  line-height: 1.4;
  text-wrap: balance;
}
.quote cite {
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.64rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bone-faint);
}

/* ── contatti ─────────────────────────────────────────────── */

.contact {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.contact__intro .display { margin-bottom: 2rem; }
.contact__intro > p { color: var(--bone-dim); max-width: 32rem; }

.contact__facts {
  display: grid;
  gap: 1.4rem;
  margin: 3rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid var(--hair);
}
.contact__facts div { display: flex; justify-content: space-between; gap: 2rem; align-items: baseline; }
.contact__facts dt {
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--bone-faint);
}
.contact__facts dd { margin: 0; color: var(--bone); }
.contact__facts a:hover { color: var(--brass); }

.form { display: grid; gap: 1.6rem; }
.field { display: grid; gap: 0.6rem; }
.field label {
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--bone-dim);
}
.field input,
.field select,
.field textarea {
  font-family: var(--serif);
  font-size: 1.02rem;
  color: var(--bone);
  background: rgba(232, 224, 211, 0.025);
  border: 1px solid var(--hair);
  border-radius: 0;
  padding: 0.9rem 1rem;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.field textarea { resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--brass-dim);
  background: rgba(195, 154, 90, 0.05);
  outline: none;
}
.field select option { background: var(--soot); color: var(--bone); }
.form .btn { justify-self: start; }
.form__note {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--brass);
  min-height: 1.2em;
  margin: 0;
}
.form__note[data-state="error"] { color: var(--ember); }

/* ── footer ───────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--hair-soft);
  margin-top: var(--stack);
  padding: clamp(3rem, 8vh, 6rem) var(--gutter) 2.5rem;
  max-width: var(--maxw);
  margin-inline: auto;
}
.footer__mark {
  font-size: clamp(3.5rem, 14vw, 11rem);
  line-height: 0.9;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--soot-2);
  margin: 0 0 3rem;
}
.footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 2.5rem;
  color: var(--bone-dim);
  font-size: 0.95rem;
}
.footer__cols .label { margin-bottom: 0.9rem; }
.footer__cols a:hover { color: var(--brass); }
.footer__legal {
  margin: 3.5rem 0 0;
  padding-top: 1.8rem;
  border-top: 1px solid var(--hair-soft);
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--bone-faint);
}

/* ── responsive ───────────────────────────────────────────── */

@media (max-width: 860px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }

  .nav.is-open .nav__links {
    display: grid;
    position: fixed;
    inset: 0;
    place-content: center;
    gap: 2rem;
    background: var(--ink);
    font-size: 1rem;
    z-index: -1;
  }

  .tt { height: 420vh; }
  .tt__ring { left: 50%; top: 42%; width: min(62vh, 28rem); }
  .tt__ui { grid-template-rows: auto 1fr auto; }
  .tt__steps {
    width: 100%;
    align-self: end;
    padding-bottom: 1rem;
  }
  .tt__step {
    position: absolute;
    top: auto;
    bottom: 0;
    translate: none;
    background: linear-gradient(to top, var(--ink) 55%, transparent);
    padding-top: 2rem;
  }
  .tt__step p { margin-bottom: 1.2rem; }
  .tt__step dl { gap: 1.6rem; padding-top: 1rem; }
  .hero { place-items: center; text-align: center; }
  .hero__actions { justify-content: center; }
  .hero__scroll { left: 50%; translate: -50% 0; justify-items: center; }
  .hero__halo { left: 50%; }
  .hero__guitar { left: 50%; height: 78vh; opacity: 0.34; }
}

/* ── real photography + about/collabs (content pass) ─────── */

.nav__logo { height: 2.1rem; width: auto; display: block; }

.hero__photo {
  position: absolute;
  inset: 0 0 0 auto;
  width: min(62vw, 58rem);
  height: 100%;
  object-fit: cover;
  object-position: 62% 40%;
  opacity: 0.82;
  filter: saturate(0.82) contrast(1.04);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 42%, #000 88%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 42%, #000 88%, transparent 100%);
  pointer-events: none;
}
@media (max-width: 48rem) {
  .hero__photo {
    width: 100%;
    opacity: 0.38;
    -webkit-mask-image: linear-gradient(to bottom, #000 40%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 40%, transparent 100%);
  }
}

@media (min-width: 40rem) { .grid--two { grid-template-columns: repeat(2, 1fr); } }
.grid--two .card__img img { object-fit: cover; padding: 0; opacity: 0.92; }

.card__specs {
  margin: 0.4rem 0 0;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--bone-dim);
}
.card__specs div {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--hair-soft);
}
.card__specs dt { color: var(--bone-faint); letter-spacing: 0.08em; }
.card__specs dd { margin: 0; color: var(--bone-2); text-align: right; }

.about {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: var(--stack) var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
@media (min-width: 56rem) { .about { grid-template-columns: 5fr 6fr; } }
.about__photo {
  margin: 0;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  border: 1px solid var(--hair-soft);
}
.about__photo img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.85); }
.about__text .display { margin-bottom: 2rem; }
.about__text p:not(.label) { color: var(--bone-dim); font-size: var(--fs-lede); max-width: 34rem; }

.collabs { padding-block: var(--stack); border-top: 1px solid var(--hair-soft); }
.collabs__logos {
  display: block;
  width: min(100% - 2 * var(--gutter), 56rem);
  margin-inline: auto;
  opacity: 0.75;
}

.footer__logo { height: 3rem; width: auto; margin-bottom: 2.5rem; opacity: 0.9; }

.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 9rem;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(10, 9, 8, 0.85), transparent);
  pointer-events: none;
}