/* ============================================================
   YAFET & CO. — components: nav, buttons, cursor, marquee, cards
   ============================================================ */

/* ---------- Custom cursor ---------- */
.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 8px; height: 8px;
  background: var(--bone);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9000;
  transform: translate3d(-50%, -50%, 0);
  transition: width 220ms var(--ease), height 220ms var(--ease),
              background 220ms var(--ease), opacity 220ms var(--ease);
  mix-blend-mode: difference;
}
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 36px; height: 36px;
  border: 1px solid var(--bone-dim);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9000;
  transform: translate3d(-50%, -50%, 0);
  transition: width 320ms var(--ease), height 320ms var(--ease),
              border-color 320ms var(--ease), opacity 220ms var(--ease);
  mix-blend-mode: difference;
}
.is-pointer .cursor { width: 4px; height: 4px; background: var(--amber); }
.is-pointer .cursor-ring { width: 56px; height: 56px; border-color: var(--amber); }
.is-text .cursor-ring { width: 80px; height: 80px; border-color: var(--bone-dim); }
.is-hidden .cursor, .is-hidden .cursor-ring { opacity: 0; }
@media (hover: none), (pointer: coarse) {
  .cursor, .cursor-ring { display: none; }
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: clamp(1rem, 1.6vw, 1.5rem) var(--pad-x);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  color: var(--bone);
  transition: background 420ms var(--ease), backdrop-filter 420ms var(--ease),
              padding 420ms var(--ease), border-color 420ms var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: var(--nav-bg-scrolled);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  padding-block: 0.8rem;
  border-bottom-color: var(--rule);
}
.nav__brand {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.nav__brand .yc {
  display: inline-grid;
  place-items: center;
  width: 1.9rem; height: 1.9rem;
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--amber);
}
.nav__brand .wordmark { font-style: italic; }
.nav__links {
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 2.4vw, 2.4rem);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav__link {
  position: relative;
  padding: 0.35rem 0;
  color: var(--bone-dim);
  transition: color var(--t-quick) var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px;
  background: var(--amber);
  transition: right var(--t-base) var(--ease);
}
.nav__link:hover { color: var(--bone); }
.nav__link:hover::after { right: 0; }

.nav__right {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.lang-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  padding: 0.25rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
}
.lang-toggle button {
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  color: var(--bone-dim);
  transition: color var(--t-quick) var(--ease), background var(--t-quick) var(--ease);
}
.lang-toggle button.is-active {
  background: var(--bone);
  color: var(--ink);
}
.lang-toggle button:disabled {
  background: transparent;
  color: var(--bone-mute);
}

/* Theme toggle (same shape as lang-toggle) */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
  color: var(--bone-dim);
  transition: color var(--t-quick) var(--ease), border-color var(--t-quick) var(--ease), transform var(--t-base) var(--ease);
}
.theme-toggle:hover { color: var(--amber); border-color: var(--amber); transform: rotate(20deg); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px; height: 28px;
  justify-content: center;
  align-items: flex-end;
}
.nav__burger span {
  display: block;
  width: 22px; height: 1px;
  background: var(--bone);
  transition: transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease);
}
.nav__burger span:nth-child(2) { width: 14px; }

@media (max-width: 900px) {
  .nav { grid-template-columns: auto auto; gap: 1rem; }
  .nav__links { display: none; }
  .nav__cta-text { display: none; }
  .nav__burger { display: flex; }
}
@media (max-width: 480px) {
  .nav__brand .wordmark { display: none; }
  .nav__right { gap: 0.75rem; }
}

/* Mobile menu sheet */
.menu-sheet {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: var(--ink);
  padding: 6rem var(--pad-x) 3rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 320ms var(--ease), visibility 320ms;
}
.menu-sheet.is-open { opacity: 1; visibility: visible; }
.menu-sheet a {
  display: block;
  padding: 1rem 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 8vw, 3rem);
  border-bottom: 1px solid var(--rule);
  font-weight: 300;
}
.menu-sheet a:hover { color: var(--amber); font-style: italic; }

/* ---------- Buttons ---------- */
.btn {
  --bg: transparent;
  --fg: var(--bone);
  --bd: var(--rule-strong);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--bd);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background var(--t-base) var(--ease), color var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease), transform 120ms var(--ease);
  overflow: hidden;
  will-change: transform;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bone);
  transform: translateY(101%);
  transition: transform 520ms var(--ease);
  z-index: 0;
}
.btn > * { position: relative; z-index: 1; }
.btn:hover { color: var(--ink); border-color: var(--bone); }
.btn:hover::before { transform: translateY(0); }
.btn:active { transform: scale(0.98); }

.btn--primary {
  --bg: var(--amber);
  --fg: var(--on-amber);
  --bd: var(--amber);
}
.btn--primary::before { background: var(--bone); }
.btn--primary:hover { color: var(--ink); border-color: var(--bone); }

.btn--ghost {
  --bd: transparent;
  padding-inline: 0.4rem;
}
.btn--ghost::before { display: none; }
.btn--ghost:hover { color: var(--amber); background: transparent; }

.btn .arrow {
  display: inline-block;
  transition: transform var(--t-base) var(--ease);
}
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Marquee ---------- */
.marquee {
  position: relative;
  overflow: hidden;
  padding-block: 1.6rem;
  border-block: 1px solid var(--rule);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  gap: clamp(3rem, 6vw, 6rem);
  width: max-content;
  animation: marquee 38s linear infinite;
}
.marquee--slow .marquee__track { animation-duration: 52s; }
.marquee--rev .marquee__track { animation-direction: reverse; }
.marquee__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--bone-dim);
}
.marquee__item .dot {
  width: 5px; height: 5px;
  background: var(--amber);
  border-radius: 50%;
  display: inline-block;
}
.marquee--serif .marquee__item {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-style: italic;
  font-weight: 300;
  color: var(--bone);
}
.marquee--mono .marquee__item {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}
.marquee:hover .marquee__track { animation-play-state: paused; }

/* ---------- Tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone-dim);
}
.tag-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* ---------- Discipline card ---------- */
.disc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (max-width: 760px) { .disc-grid { grid-template-columns: 1fr; } }
.disc {
  position: relative;
  padding: clamp(1.6rem, 2.8vw, 2.6rem);
  border-bottom: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  cursor: pointer;
  overflow: hidden;
  transition: background var(--t-base) var(--ease);
}
.disc:nth-child(2n) { border-right: 0; }
@media (max-width: 760px) { .disc { border-right: 0; } }
.disc__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.4rem;
}
.disc__no { color: var(--amber); }
.disc__arrow {
  font-family: var(--serif);
  font-size: 1.3rem;
  transition: transform var(--t-base) var(--ease), color var(--t-base) var(--ease);
  color: var(--bone-dim);
}
.disc__title {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.012em;
  margin-bottom: 0.9rem;
  transition: color var(--t-base) var(--ease);
}
.disc__title em {
  font-style: italic;
  color: var(--amber);
  font-weight: 300;
}
.disc__body {
  color: var(--bone-dim);
  font-size: 1.02rem;
  line-height: 1.55;
  max-width: 42ch;
}
.disc::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 520ms var(--ease);
}
.disc:hover { background: var(--ink-2); }
.disc:hover .disc__title { color: var(--bone); }
.disc:hover .disc__arrow { transform: translate(4px, -4px); color: var(--amber); }
.disc:hover::after { transform: scaleX(1); }

/* ---------- Floating dock / AI widget button ---------- */
.dock {
  position: fixed;
  right: clamp(1rem, 2vw, 2rem);
  bottom: clamp(1rem, 2vw, 2rem);
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: flex-end;
}
.dock__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: var(--ink-2);
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone);
  transition: border-color var(--t-base) var(--ease), background var(--t-base) var(--ease);
  backdrop-filter: blur(8px);
}
.dock__btn:hover { border-color: var(--amber); }
.dock__btn .pulse {
  width: 7px; height: 7px;
  background: var(--amber);
  border-radius: 50%;
  position: relative;
}
.dock__btn .pulse::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid var(--amber);
  animation: pulse 1800ms var(--ease) infinite;
}
@keyframes pulse {
  0%   { transform: scale(0.7); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* ---------- Modal scaffold (AI, booking) ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: end center;
  background: var(--scrim);
  opacity: 0;
  visibility: hidden;
  transition: opacity 320ms var(--ease), visibility 320ms;
  padding: var(--pad-x);
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal__panel {
  width: min(540px, 100%);
  max-height: min(86vh, 720px);
  background: var(--ink-2);
  border: 1px solid var(--rule-strong);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(24px);
  transition: transform 420ms var(--ease);
  margin-bottom: clamp(1rem, 2vw, 2rem);
}
.modal.is-open .modal__panel { transform: none; }
.modal--center { place-items: center; }
.modal--wide .modal__panel { width: min(720px, 100%); }
.modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.3rem;
  border-bottom: 1px solid var(--rule);
}
.modal__title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
  font-weight: 400;
}
.modal__close {
  width: 32px; height: 32px;
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: border-color var(--t-base) var(--ease);
}
.modal__close:hover { border-color: var(--amber); color: var(--amber); }
.modal__body {
  padding: 1.3rem;
  overflow-y: auto;
  flex: 1;
}
.booking-card {
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1rem;
  background: var(--ink);
  display: grid;
  gap: 1rem;
}
.booking-card h4 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-style: italic;
  font-weight: 400;
  margin: 0.25rem 0 0.45rem;
}
.booking-card p {
  margin: 0;
  color: var(--bone-dim);
  line-height: 1.55;
}
.booking-card__mail {
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.booking-card__mail:hover { color: var(--bone); }

/* ---------- Inputs ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.field__label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-dim);
}
.field__input,
.field__textarea,
.field__select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--ink);
  border: 1px solid var(--rule-strong);
  border-radius: 8px;
  color: var(--bone);
  font-family: var(--serif);
  font-size: 1rem;
  transition: border-color var(--t-base) var(--ease), background var(--t-base) var(--ease);
}
.field__input:focus,
.field__textarea:focus,
.field__select:focus {
  outline: 2px solid color-mix(in srgb, var(--amber) 45%, transparent);
  outline-offset: 2px;
  border-color: var(--amber);
  background: var(--ink-2);
}
.field__textarea { min-height: 120px; resize: vertical; }
.field--error .field__input,
.field--error .field__textarea { border-color: var(--oxblood); }
.field__err {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #C56A66;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}
.field--error .field__err { opacity: 1; transform: none; }

.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.chip {
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone-dim);
  transition: border-color var(--t-base) var(--ease), color var(--t-base) var(--ease), background var(--t-base) var(--ease);
  background: transparent;
}
.chip:hover { border-color: var(--bone-dim); color: var(--bone); }
.chip.is-active {
  border-color: var(--amber);
  color: var(--on-amber);
  background: var(--amber);
}

.noscript-note {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 10001;
  padding: 0.9rem 1rem;
  background: var(--ink-2);
  border: 1px solid var(--rule-strong);
  border-radius: 8px;
  color: var(--bone);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}
.noscript-note a { color: var(--amber); }