/* ═══════════════════════════════════════════════════════════════
   BRASAS — Components (nav, buttons, form, menu cards)
   ═══════════════════════════════════════════════════════════════ */

/* ───── NAV ───── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  padding: var(--sp-4) 0;
  transition: background-color var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease), padding var(--dur) var(--ease);
}
.nav.is-scrolled {
  padding: var(--sp-3) 0;
  background: rgba(28, 25, 23, 0.82);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--gold-soft);
}

.nav__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--sp-4);
}

.nav__brand {
  justify-self: start;
  color: var(--warm-white);
  font-family: var(--ff-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.06em;
}
.nav__brand-mark { position: relative; display: inline-block; }
.nav__brand-mark::after {
  content: "";
  position: absolute;
  bottom: -3px; left: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav__brand:hover .nav__brand-mark::after { transform: scaleX(1); }

.nav__links {
  justify-self: center;
  display: flex;
  gap: var(--sp-7);
}
.nav__links a {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--warm-white);
  padding: var(--sp-2) 0;
  position: relative;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav__links a:hover::after { transform: scaleX(1); }

.nav__cta { justify-self: end; padding: 10px 22px; font-size: var(--fs-xs); letter-spacing: 0.18em; }

.nav__burger {
  display: none;
  justify-self: end;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}
.nav__burger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--warm-white);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  background: var(--charcoal-900);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
.nav__drawer.is-open {
  opacity: 1;
  pointer-events: auto;
}
.nav__drawer-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-6);
  min-height: 100vh;
  padding: var(--sp-8) var(--sp-5);
}
.nav__drawer-links a {
  font-family: var(--ff-display);
  font-size: 40px;
  color: var(--warm-white);
  letter-spacing: 0.02em;
}
.nav__drawer-links .btn { font-family: var(--ff-body); }

@media (max-width: 820px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__burger { display: flex; }
}

/* ───── BUTTONS ───── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 14px 28px;
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
  transition: transform var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  will-change: transform;
}
.btn--gold {
  background: var(--gold);
  color: var(--charcoal-900);
}
.btn--gold:hover {
  background: var(--gold-light);
  color: var(--charcoal-900);
}
.btn--gold:active { transform: translateY(1px); }

.btn--outline {
  background: transparent;
  color: var(--warm-white);
  border: 1px solid rgba(250, 250, 249, 0.35);
}
.btn--outline:hover {
  color: var(--charcoal-900);
  background: var(--gold);
  border-color: var(--gold);
}

.btn--lg {
  padding: 18px 36px;
  font-size: var(--fs-sm);
}

/* Magnetic button — outer wrapper translates, inner label holds content */
[data-magnetic] {
  will-change: transform;
  position: relative;
  overflow: hidden;
}
[data-magnetic]::before {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 70%; height: 100%;
  background: linear-gradient(100deg,
    transparent 0%,
    rgba(250, 250, 249, 0.45) 50%,
    transparent 100%);
  transform: skewX(-20deg);
  transition: left 650ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}
[data-magnetic]:hover::before { left: 120%; }

/* ───── FORM ───── */
.field {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field label {
  font-family: var(--ff-body);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm-mid);
}
.field__optional {
  font-weight: 300;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--warm-dim);
}

.field input,
.field select,
.field textarea {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  color: var(--warm-white);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(168, 162, 158, 0.35);
  padding: 10px 0 12px;
  transition: border-color var(--dur) var(--ease);
  border-radius: 0;
}
.field textarea { resize: vertical; min-height: 56px; }
.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%23B7860B' stroke-width='1.5' fill='none' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 4px center;
  padding-right: 28px;
}
.field select option { background: var(--charcoal-900); color: var(--warm-white); }
.field input::placeholder,
.field textarea::placeholder { color: var(--warm-dim); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--gold);
}
.field.is-invalid input,
.field.is-invalid select {
  border-bottom-color: var(--fire-bright);
}
.field__error {
  font-size: var(--fs-xs);
  color: var(--fire-bright);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}
.field-row--three {
  grid-template-columns: 1.1fr 1fr 0.9fr;
}
@media (max-width: 720px) {
  .field-row--three { grid-template-columns: 1fr 1fr; }
  .field-row--three > .field:last-child { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; gap: var(--sp-4); }
  .field-row--three { grid-template-columns: 1fr; }
  .field-row--three > .field:last-child { grid-column: auto; }
}

/* Input date — style native calendar indicator on webkit */
input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.7) sepia(1) saturate(4) hue-rotate(20deg);
  cursor: pointer;
}

/* ───── MENU CARD ───── */
.cut-card {
  flex: 0 0 auto;
  width: 360px;
  min-height: 520px;
  background: var(--charcoal-800);
  border: 1px solid var(--gold-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform-origin: center;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), opacity var(--dur) var(--ease), border-color var(--dur) var(--ease);
  opacity: 0.58;
}
.cut-card.is-active {
  transform: scale(1.035);
  opacity: 1;
  border-color: rgba(183, 134, 11, 0.55);
  box-shadow: var(--shadow-glow);
}
.cut-card--hero { width: 440px; }
.cut-card--side { width: 320px; }

.cut-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--charcoal-700);
}
.cut-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.08) brightness(0.92);
  transform: scale(1.04);
  transition: transform 900ms var(--ease);
}
.cut-card.is-active .cut-card__media img { transform: scale(1); }
.cut-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(28, 25, 23, 0.82));
  pointer-events: none;
}

.cut-card__body {
  padding: var(--sp-5) var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  flex: 1;
}
.cut-card__num {
  font-family: var(--ff-body);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--gold);
}
.cut-card__tag {
  display: inline-block;
  width: fit-content;
  padding: 2px 10px;
  margin-top: 2px;
  font-family: var(--ff-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--warm-mid);
  border: 1px solid rgba(168, 162, 158, 0.3);
  border-radius: 999px;
}
.cut-card__name {
  font-family: var(--ff-display);
  font-size: var(--fs-h3);
  font-weight: 500;
  line-height: 1;
  margin: var(--sp-1) 0 var(--sp-2);
}
.cut-card__desc {
  font-size: var(--fs-sm);
  color: var(--warm-mid);
  line-height: 1.55;
}